[#131] nns: Declare getAllRecords() as safe

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

.forgejo/workflows/codegen.yml

@@ -0,0 +1,22 @@
+name: Code generation
+on: [pull_request]
+
+jobs:
+  wrappers:
+    name: Generate wrappers
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.23'
+      - name: Generate wrappers
+        run: make generate-wrappers
+      # The command seems to be non-deterministic.
+      # However, with >20 runs I haven't been able to reproduce the issue.
+      # This `git diff` is here to print diff in case we catch the behaviour again.
+      - name: Print diff
+        run: git diff HEAD
+      - name: Check that nothing has changed
+        run: git diff-index --exit-code HEAD

.forgejo/workflows/dco.yml

@@ -0,0 +1,21 @@
+name: DCO action
+on: [pull_request]
+
+jobs:
+  dco:
+    name: DCO
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.23'
+
+      - name: Run commit format checker
+        uses: https://git.frostfs.info/TrueCloudLab/dco-go@v3
+        with:
+          from: 'origin/${{ github.event.pull_request.base.ref }}'

.forgejo/workflows/tests.yml

@@ -0,0 +1,21 @@
+name: Tests
+on: [pull_request]
+
+jobs:
+  tests:
+    name: Tests
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go_versions: [ '1.22', '1.23' ]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '${{ matrix.go_versions }}'
+
+      - name: Run tests
+        run: make test

.github/CODEOWNERS

@@ -1 +0,0 @@
-*   @carpawell @fyrchik @cthulhu-rider

.github/workflows/dco.yml

@@ -1,21 +0,0 @@
-name: DCO check
-
-on:
-  pull_request:
-    branches:
-      - master
-
-jobs:
-  commits_check_job:
-    runs-on: ubuntu-latest
-    name: Commits Check
-    steps:
-    - name: Get PR Commits
-      id: 'get-pr-commits'
-      uses: tim-actions/get-pr-commits@master
-      with:
-        token: ${{ secrets.GITHUB_TOKEN }}
-    - name: DCO Check
-      uses: tim-actions/dco@master
-      with:
-        commits: ${{ steps.get-pr-commits.outputs.commits }}

.github/workflows/go.yml

@@ -1,20 +0,0 @@
-name: Go
-
-on:
-  pull_request:
-    branches: [ master ]
-
-jobs:
-
-  tests:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Set up Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.17
-
-    - name: Test
-      run: go test -v ./...

CHANGELOG.md

@@ -6,8 +6,29 @@ Changelog for FrostFS Contract
 ### Added
 ### Changed
 ### Removed
-- `subnet` contract (#20)
+### Updated
+### Fixed
 
+## [0.20.0]
+
+### Added
+- Add `ListFullSubjects` method to the frostfsid RPC client (#107)
+- Add `ListChainNames` method to the policy contract (#105)
+- Add `DeleteRecord` method to the nns contract (#114)
+- Emit notification on record changes in nns contract (#109)
+
+### Updated
+- neo-go to v0.106.3
+
+## [0.18.0] - 2023-09-14 - Academy of Sciences Glacier
+
+### Added
+- Documentation for contract storage schema (#21)
+### Changed
+- `container.Delete()` now accepts public key along with token (#27)
+- Allow to check whether container was deleted with `container.DeletionInfo()` (#38)
+### Removed
+- `subnet` contract (#20)
 ### Updated
 ### Fixed
 ### Updating from v0.17.0

CODEOWNERS

@@ -0,0 +1,5 @@
+.forgejo/.*           @potyarkin
+Makefile              @potyarkin
+frostfsid/client/.*   @dkirillov
+.*                    @TrueCloudLab/storage-core-developers @TrueCloudLab/storage-core-committers @TrueCloudLab/storage-service-developers @TrueCloudLab/storage-service-committers
+tests/.*              @fyrchik

Makefile

@@ -22,12 +22,13 @@ all: sidechain mainnet
 sidechain: alphabet morph nns
 
 alphabet_sc = alphabet
-morph_sc = audit balance container frostfsid netmap proxy reputation
+morph_sc = balance container frostfsid netmap proxy policy
 mainnet_sc = frostfs processing
 nns_sc = nns
+all_sc = $(alphabet_sc) $(morph_sc) $(mainnet_sc) $(nns_sc)
 
 define sc_template
-$(2)$(1)/$(1)_contract.nef: $(2)$(1)/$(1)_contract.go
+$(2)$(1)/$(1)_contract.nef: $(2)$(1)/$(1)_contract.go $(2)$(1)/config.yml
 	$(NEOGO) contract compile -i $(2)$(1) -c $(if $(2),$(2),$(1)/)config.yml -m $(2)$(1)/config.json -o $(2)$(1)/$(1)_contract.nef
 
 $(if $(2),$(2)$(1)/$(1)_contract.go: alphabet/alphabet.go alphabet/alphabet.tpl
@@ -49,9 +50,32 @@ neo-go:
 	@go list -f '{{.Path}}/...@{{.Version}}' -m github.com/nspcc-dev/neo-go \
 		| xargs go install -v
 
+generate-wrapper.%:
+	@mkdir -p ./rpcclient/$*
+	@# Note, that bindings file is currently missing: is can be emitted by compiler,
+	@# but this leads to a large amount of code duplication. It can be written by hand,
+	@# in case we need to override the type of some variables.
+	@# --config $*/$*.bindings.yml
+	@# Unfortunately, primitive integer types are not yet supported.
+	$(NEOGO) contract generate-rpcwrapper --manifest=$*/config.json --out ./rpcclient/$*/client.go
+
+generate-wrappers: build $(foreach sc,$(all_sc),generate-wrapper.$(sc))
+
 test:
 	@go test ./tests/...
 
+# Run all code formatters
+fmts: fumpt imports
+
+# Reformat imports
+imports:
+	@echo "⇒ Processing goimports check"
+	@goimports -w $(all_sc) tests/
+
+fumpt:
+	@echo "⇒ Processing gofumpt check"
+	@gofumpt -l -w $(all_sc) tests/
+
 clean:
 	find . -name '*.nef' -exec rm -rf {} \;
 	find . -name 'config.json' -exec rm -rf {} \;

README.md

@@ -1,5 +1,5 @@
 <p align="center">
-<img src="./.github/logo.svg" width="500px" alt="FrostFS">
+<img src="./.forgejo/logo.svg" width="500px" alt="FrostFS">
 </p>
 <p align="center">
   <a href="https://frostfs.info">FrostFS</a> related smart contracts.

VERSION

@@ -1 +1 @@
-v0.18.0
+v0.20.0

alphabet/alphabet_contract.go

@@ -18,38 +18,32 @@ const (
 	indexKey = "index"
 	totalKey = "threshold"
 	nameKey  = "name"
-
-	notaryDisabledKey = "notary"
 )
 
 // OnNEP17Payment is a callback for NEP-17 compatible native GAS and NEO
 // contracts.
-func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) {
+func OnNEP17Payment(from interop.Hash160, amount int, data any) {
 	caller := runtime.GetCallingScriptHash()
 	if !common.BytesEqual(caller, []byte(gas.Hash)) && !common.BytesEqual(caller, []byte(neo.Hash)) {
 		common.AbortWithMessage("alphabet contract accepts GAS and NEO only")
 	}
 }
 
-func _deploy(data interface{}, isUpdate bool) {
+func _deploy(data any, isUpdate bool) {
 	ctx := storage.GetContext()
 
-	common.RmAndCheckNotaryDisabledKey(data, notaryDisabledKey)
-
 	if isUpdate {
-		args := data.([]interface{})
+		args := data.([]any)
 		common.CheckVersion(args[len(args)-1].(int))
 		return
 	}
 
 	args := data.(struct {
-		//TODO(@acid-ant): #9 remove notaryDisabled in future version
+		addrNetmap interop.Hash160
-		notaryDisabled bool
+		addrProxy  interop.Hash160
-		addrNetmap     interop.Hash160
+		name       string
-		addrProxy      interop.Hash160
+		index      int
-		name           string
+		total      int
-		index          int
-		total          int
 	})
 
 	if len(args.addrNetmap) != interop.Hash160Len || len(args.addrProxy) != interop.Hash160Len {
@@ -67,7 +61,7 @@ func _deploy(data interface{}, isUpdate bool) {
 
 // Update method updates contract source code and manifest. It can be invoked
 // only by committee.
-func Update(script []byte, manifest []byte, data interface{}) {
+func Update(script []byte, manifest []byte, data any) {
 	if !common.HasUpdateAccess() {
 		panic("only committee can update contract")
 	}

alphabet/doc.go

@@ -20,13 +20,12 @@ Alphabet contract does not produce notifications to process.
 
 # Contract storage scheme
 
- |   Key              | Value      |           Description                           |
+	|   Key              | Value      |           Description                           |
- |--------------------|------------|-------------------------------------------------|
+	|--------------------|------------|-------------------------------------------------|
- | `netmapScriptHash` | Hash160    | netmap contract hash                            |
+	| `netmapScriptHash` | Hash160    | netmap contract hash                            |
- | `proxyScriptHash`  | Hash160    | proxy contract hash                             |
+	| `proxyScriptHash`  | Hash160    | proxy contract hash                             |
- | `name`             | string     | assigned glagolitic letter                      |
+	| `name`             | string     | assigned glagolitic letter                      |
- | `index`            | int        | the index of deployed alphabet contract         |
+	| `index`            | int        | the index of deployed alphabet contract         |
- | `threshold`        | int        | the total number of deployed alphabet contracts |
+	| `threshold`        | int        | the total number of deployed alphabet contracts |
-
 */
 package alphabet

audit/audit_contract.go

@@ -1,226 +0,0 @@
-package audit
-
-import (
-	"git.frostfs.info/TrueCloudLab/frostfs-contract/common"
-	"github.com/nspcc-dev/neo-go/pkg/interop"
-	"github.com/nspcc-dev/neo-go/pkg/interop/iterator"
-	"github.com/nspcc-dev/neo-go/pkg/interop/native/crypto"
-	"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
-	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
-	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
-)
-
-type (
-	auditHeader struct {
-		epoch int
-		cid   []byte
-		from  interop.PublicKey
-	}
-)
-
-// Audit key is a combination of the epoch, the container ID and the public key of the node that
-// has executed the audit. Together, it shouldn't be more than 64 bytes. We can't shrink
-// epoch and container ID since we iterate over these values. But we can shrink
-// public key by using first bytes of the hashed value.
-
-// V2 format
-const maxKeySize = 24 // 24 + 32 (container ID length) + 8 (epoch length) = 64
-
-func (a auditHeader) ID() []byte {
-	var buf interface{} = a.epoch
-
-	hashedKey := crypto.Sha256(a.from)
-	shortedKey := hashedKey[:maxKeySize]
-
-	return append(buf.([]byte), append(a.cid, shortedKey...)...)
-}
-
-const (
-	netmapContractKey = "netmapScriptHash"
-
-	notaryDisabledKey = "notary"
-)
-
-func _deploy(data interface{}, isUpdate bool) {
-	ctx := storage.GetContext()
-
-	common.RmAndCheckNotaryDisabledKey(data, notaryDisabledKey)
-
-	if isUpdate {
-		args := data.([]interface{})
-		common.CheckVersion(args[len(args)-1].(int))
-		return
-	}
-
-	args := data.(struct {
-		//TODO(@acid-ant): #9 remove notaryDisabled in future version
-		notaryDisabled bool
-		addrNetmap     interop.Hash160
-	})
-
-	if len(args.addrNetmap) != interop.Hash160Len {
-		panic("incorrect length of contract script hash")
-	}
-
-	storage.Put(ctx, netmapContractKey, args.addrNetmap)
-
-	runtime.Log("audit contract initialized")
-}
-
-// Update method updates contract source code and manifest. It can be invoked
-// only by committee.
-func Update(script []byte, manifest []byte, data interface{}) {
-	if !common.HasUpdateAccess() {
-		panic("only committee can update contract")
-	}
-
-	management.UpdateWithData(script, manifest, common.AppendVersion(data))
-	runtime.Log("audit contract updated")
-}
-
-// Put method stores a stable marshalled `DataAuditResult` structure. It can be
-// invoked only by Inner Ring nodes.
-//
-// Inner Ring nodes perform audit of containers and produce `DataAuditResult`
-// structures. They are stored in audit contract and used for settlements
-// in later epochs.
-func Put(rawAuditResult []byte) {
-	ctx := storage.GetContext()
-
-	innerRing := common.InnerRingNodes()
-
-	hdr := newAuditHeader(rawAuditResult)
-	presented := false
-
-	for i := range innerRing {
-		ir := innerRing[i]
-		if common.BytesEqual(ir, hdr.from) {
-			presented = true
-
-			break
-		}
-	}
-
-	if !runtime.CheckWitness(hdr.from) || !presented {
-		panic("put access denied")
-	}
-
-	storage.Put(ctx, hdr.ID(), rawAuditResult)
-
-	runtime.Log("audit: result has been saved")
-}
-
-// Get method returns a stable marshaled DataAuditResult structure.
-//
-// The ID of the DataAuditResult can be obtained from listing methods.
-func Get(id []byte) []byte {
-	ctx := storage.GetReadOnlyContext()
-	return storage.Get(ctx, id).([]byte)
-}
-
-// List method returns a list of all available DataAuditResult IDs from
-// the contract storage.
-func List() [][]byte {
-	ctx := storage.GetReadOnlyContext()
-	it := storage.Find(ctx, []byte{}, storage.KeysOnly)
-
-	return list(it)
-}
-
-// ListByEpoch method returns a list of DataAuditResult IDs generated during
-// the specified epoch.
-func ListByEpoch(epoch int) [][]byte {
-	ctx := storage.GetReadOnlyContext()
-	var buf interface{} = epoch
-	it := storage.Find(ctx, buf.([]byte), storage.KeysOnly)
-
-	return list(it)
-}
-
-// ListByCID method returns a list of DataAuditResult IDs generated during
-// the specified epoch for the specified container.
-func ListByCID(epoch int, cid []byte) [][]byte {
-	ctx := storage.GetReadOnlyContext()
-
-	var buf interface{} = epoch
-
-	prefix := append(buf.([]byte), cid...)
-	it := storage.Find(ctx, prefix, storage.KeysOnly)
-
-	return list(it)
-}
-
-// ListByNode method returns a list of DataAuditResult IDs generated in
-// the specified epoch for the specified container by the specified Inner Ring node.
-func ListByNode(epoch int, cid []byte, key interop.PublicKey) [][]byte {
-	ctx := storage.GetReadOnlyContext()
-	hdr := auditHeader{
-		epoch: epoch,
-		cid:   cid,
-		from:  key,
-	}
-
-	it := storage.Find(ctx, hdr.ID(), storage.KeysOnly)
-
-	return list(it)
-}
-
-func list(it iterator.Iterator) [][]byte {
-	var result [][]byte
-
-	ignore := [][]byte{
-		[]byte(netmapContractKey),
-	}
-
-loop:
-	for iterator.Next(it) {
-		key := iterator.Value(it).([]byte) // iterator MUST BE `storage.KeysOnly`
-		for _, ignoreKey := range ignore {
-			if common.BytesEqual(key, ignoreKey) {
-				continue loop
-			}
-		}
-
-		result = append(result, key)
-	}
-
-	return result
-}
-
-// Version returns the version of the contract.
-func Version() int {
-	return common.Version
-}
-
-// readNext reads the length from the first byte, and then reads data (max 127 bytes).
-func readNext(input []byte) ([]byte, int) {
-	var buf interface{} = input[0]
-	ln := buf.(int)
-
-	return input[1 : 1+ln], 1 + ln
-}
-
-func newAuditHeader(input []byte) auditHeader {
-	// V2 format
-	offset := int(input[1])
-	offset = 2 + offset + 1 // version prefix + version len + epoch prefix
-
-	var buf interface{} = input[offset : offset+8] // [ 8 integer bytes ]
-	epoch := buf.(int)
-
-	offset = offset + 8
-
-	// cid is a nested structure with raw bytes
-	// [ cid struct prefix (wireType + len = 2 bytes), cid value wireType (1 byte), ... ]
-	cid, cidOffset := readNext(input[offset+2+1:])
-
-	// key is a raw byte
-	// [ public key wireType (1 byte), ... ]
-	key, _ := readNext(input[offset+2+1+cidOffset+1:])
-
-	return auditHeader{
-		epoch,
-		cid,
-		key,
-	}
-}

audit/config.yml

@@ -1,4 +0,0 @@
-name: "Audit"
-safemethods: ["get", "list", "listByEpoch", "listByCID", "listByNode", "version"]
-permissions:
-  - methods: ["update"]

audit/doc.go

@@ -1,30 +0,0 @@
-/*
-Audit contract is a contract deployed in FrostFS sidechain.
-
-Inner Ring nodes perform audit of the registered containers during every epoch.
-If a container contains StorageGroup objects, an Inner Ring node initializes
-a series of audit checks. Based on the results of these checks, the Inner Ring
-node creates a DataAuditResult structure for the container. The content of this
-structure makes it possible to determine which storage nodes have been examined and
-see the status of these checks. Regarding this information, the container owner is
-charged for data storage.
-
-Audit contract is used as a reliable and verifiable storage for all
-DataAuditResult structures. At the end of data audit routine, Inner Ring
-nodes send a stable marshaled version of the DataAuditResult structure to the
-contract. When Alphabet nodes of the Inner Ring perform settlement operations,
-they make a list and get these AuditResultStructures from the audit contract.
-
-# Contract notifications
-
-Audit contract does not produce notifications to process.
-
-# Contract storage scheme
-
- |   Key              | Value      |           Description                                     |
- |--------------------|------------|-----------------------------------------------------------|
- | `netmapScriptHash` | Hash160    | netmap contract hash                                      |
- | auditID            | ByteArray  | serialized DataAuditResult structure                      |
-
-*/
-package audit

balance/balance_contract.go

@@ -31,6 +31,13 @@ type (
 		// account wasn't burnt.
 		Parent []byte
 	}
+
+	// account is a stored view of Account with fixed int size
+	account struct {
+		Balance []byte
+		Until   []byte
+		Parent  []byte
+	}
 )
 
 const (
@@ -40,7 +47,6 @@ const (
 
 	netmapContractKey    = "netmapScriptHash"
 	containerContractKey = "containerScriptHash"
-	notaryDisabledKey    = "notary"
 )
 
 var token Token
@@ -57,22 +63,18 @@ func init() {
 	token = createToken()
 }
 
-func _deploy(data interface{}, isUpdate bool) {
+func _deploy(data any, isUpdate bool) {
 	ctx := storage.GetContext()
 
-	common.RmAndCheckNotaryDisabledKey(data, notaryDisabledKey)
-
 	if isUpdate {
-		args := data.([]interface{})
+		args := data.([]any)
 		common.CheckVersion(args[len(args)-1].(int))
 		return
 	}
 
 	args := data.(struct {
-		//TODO(@acid-ant): #9 remove notaryDisabled in future version
+		addrNetmap    interop.Hash160
-		notaryDisabled bool
+		addrContainer interop.Hash160
-		addrNetmap     interop.Hash160
-		addrContainer  interop.Hash160
 	})
 
 	if len(args.addrNetmap) != interop.Hash160Len || len(args.addrContainer) != interop.Hash160Len {
@@ -87,7 +89,7 @@ func _deploy(data interface{}, isUpdate bool) {
 
 // Update method updates contract source code and manifest. It can be invoked
 // only by committee.
-func Update(script []byte, manifest []byte, data interface{}) {
+func Update(script []byte, manifest []byte, data any) {
 	if !common.HasUpdateAccess() {
 		panic("only committee can update contract")
 	}
@@ -126,7 +128,7 @@ func BalanceOf(account interop.Hash160) int {
 //
 // It produces Transfer and TransferX notifications. TransferX notification
 // will have empty details field.
-func Transfer(from, to interop.Hash160, amount int, data interface{}) bool {
+func Transfer(from, to interop.Hash160, amount int, data any) bool {
 	ctx := storage.GetContext()
 	return token.transfer(ctx, from, to, amount, false, nil)
 }
@@ -173,7 +175,7 @@ func Lock(txDetails []byte, from, to interop.Hash160, amount, until int) {
 		Parent:  from,
 	}
 
-	common.SetSerialized(ctx, to, lockAccount)
+	setAccount(ctx, to, lockAccount)
 
 	result := token.transfer(ctx, from, to, amount, true, details)
 	if !result {
@@ -310,14 +312,14 @@ func (t Token) transfer(ctx storage.Context, from, to interop.Hash160, amount in
 			storage.Delete(ctx, from)
 		} else {
 			amountFrom.Balance = amountFrom.Balance - amount // neo-go#953
-			common.SetSerialized(ctx, from, amountFrom)
+			setAccount(ctx, from, amountFrom)
 		}
 	}
 
 	if len(to) == 20 {
 		amountTo := getAccount(ctx, to)
 		amountTo.Balance = amountTo.Balance + amount // neo-go#953
-		common.SetSerialized(ctx, to, amountTo)
+		setAccount(ctx, to, amountTo)
 	}
 
 	runtime.Notify("Transfer", from, to, amount)
@@ -328,9 +330,7 @@ func (t Token) transfer(ctx storage.Context, from, to interop.Hash160, amount in
 
 // canTransfer returns the amount it can transfer.
 func (t Token) canTransfer(ctx storage.Context, from, to interop.Hash160, amount int, innerRing bool) (Account, bool) {
-	var (
+	emptyAcc := Account{}
-		emptyAcc = Account{}
-	)
 
 	if !innerRing {
 		if len(to) != interop.Hash160Len || !isUsableAddress(from) {
@@ -368,11 +368,24 @@ func isUsableAddress(addr interop.Hash160) bool {
 	return false
 }
 
-func getAccount(ctx storage.Context, key interface{}) Account {
+func getAccount(ctx storage.Context, key any) Account {
 	data := storage.Get(ctx, key)
 	if data != nil {
-		return std.Deserialize(data.([]byte)).(Account)
+		acc := std.Deserialize(data.([]byte)).(account)
+		return Account{
+			Balance: common.FromFixedWidth64(acc.Balance),
+			Until:   common.FromFixedWidth64(acc.Until),
+			Parent:  acc.Parent,
+		}
 	}
 
 	return Account{}
 }
+
+func setAccount(ctx storage.Context, key any, acc Account) {
+	common.SetSerialized(ctx, key, account{
+		Balance: common.ToFixedWidth64(acc.Balance),
+		Until:   common.ToFixedWidth64(acc.Until),
+		Parent:  acc.Parent,
+	})
+}

balance/config.yml

@@ -1,6 +1,11 @@
 name: "Balance"
 supportedstandards: ["NEP-17"]
-safemethods: ["balanceOf", "decimals", "symbol", "totalSupply", "version"]
+safemethods:
+  - "balanceOf"
+  - "decimals"
+  - "symbol"
+  - "totalSupply"
+  - "version"
 permissions:
   - methods: ["update"]
 events:

balance/doc.go

@@ -77,11 +77,10 @@ when FrostFS contract has transferred GAS assets back to the user.
 
 # Contract storage scheme
 
- |   Key                 | Value      |           Description            |
+	|   Key                 | Value      |           Description            |
- |-----------------------|------------|----------------------------------|
+	|-----------------------|------------|----------------------------------|
- | `netmapScriptHash`    | Hash160    | netmap contract hash             |
+	| `netmapScriptHash`    | Hash160    | netmap contract hash             |
- | `containerScriptHash` | Hash160    | container contract hash          |
+	| `containerScriptHash` | Hash160    | container contract hash          |
- | circulationKey        | int        | the token circulation key value  |
+	| circulationKey        | int        | the token circulation key value  |
-
 */
 package balance

common/common.go

@@ -1,26 +1,11 @@
 package common
 
 import (
-	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
 	"github.com/nspcc-dev/neo-go/pkg/interop/util"
 )
 
-const (
-	panicMsgForNotaryDisabledEnv = "contract not applicable for notary-disabled environment"
-)
-
 // BytesEqual compares two slices of bytes by wrapping them into strings,
 // which is necessary with new util.Equals interop behaviour, see neo-go#1176.
 func BytesEqual(a []byte, b []byte) bool {
 	return util.Equals(string(a), string(b))
 }
-
-// RmAndCheckNotaryDisabledKey remove notary disabled key from storage and
-// panic in notary disabled environment
-func RmAndCheckNotaryDisabledKey(data interface{}, key interface{}) {
-	//TODO(@acid-ant): #9 remove notaryDisabled from args in future version
-	storage.Delete(storage.GetContext(), key)
-	if data.([]interface{})[0].(bool) {
-		panic(panicMsgForNotaryDisabledEnv)
-	}
-}

common/ir.go

@@ -25,20 +25,20 @@ func AlphabetNodes() []interop.PublicKey {
 }
 
 // AlphabetAddress returns multi address of alphabet public keys.
-func AlphabetAddress() []byte {
+func AlphabetAddress() interop.Hash160 {
 	alphabet := neo.GetCommittee()
 	return Multiaddress(alphabet, false)
 }
 
 // CommitteeAddress returns multi address of committee.
-func CommitteeAddress() []byte {
+func CommitteeAddress() interop.Hash160 {
 	committee := neo.GetCommittee()
 	return Multiaddress(committee, true)
 }
 
 // Multiaddress returns default multisignature account address for N keys.
 // If committee set to true, it is `M = N/2+1` committee account.
-func Multiaddress(n []interop.PublicKey, committee bool) []byte {
+func Multiaddress(n []interop.PublicKey, committee bool) interop.Hash160 {
 	threshold := len(n)*2/3 + 1
 	if committee {
 		threshold = len(n)/2 + 1

common/storage.go

@@ -1,12 +1,28 @@
 package common
 
 import (
+	"github.com/nspcc-dev/neo-go/pkg/interop/convert"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/std"
 	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
 )
 
 // SetSerialized serializes data and puts it into contract storage.
-func SetSerialized(ctx storage.Context, key interface{}, value interface{}) {
+func SetSerialized(ctx storage.Context, key any, value interface{}) {
 	data := std.Serialize(value)
 	storage.Put(ctx, key, data)
 }
+
+// ToFixedWidth64 converts x to bytes such that numbers <= math.MaxUint64
+// have constant with of 9.
+func ToFixedWidth64(x int) []byte {
+	data := convert.ToBytes(x)
+	if x < 0 || len(data) >= 9 {
+		return data
+	}
+	return append(data, make([]byte, 9-len(data))...)
+}
+
+// FromFixedWidth64 is a reverse function for ToFixedWidth64.
+func FromFixedWidth64(x []byte) int {
+	return convert.ToInteger(x)
+}

common/transfer.go

@@ -31,7 +31,7 @@ func LockTransferDetails(txDetails []byte) []byte {
 }
 
 func UnlockTransferDetails(epoch int) []byte {
-	var buf interface{} = epoch
+	var buf any = epoch
 	return append(unlockPrefix, buf.([]byte)...)
 }
 

common/version.go

@@ -4,15 +4,15 @@ import "github.com/nspcc-dev/neo-go/pkg/interop/native/std"
 
 const (
 	major = 0
-	minor = 18
+	minor = 20
 	patch = 0
 
 	// Versions from which an update should be performed.
 	// These should be used in a group (so prevMinor can be equal to minor if there are
 	// any migration routines.
 	prevMajor = 0
-	prevMinor = 16
+	prevMinor = 19
-	prevPatch = 0
+	prevPatch = 3
 
 	Version = major*1_000_000 + minor*1_000 + patch
 
@@ -32,15 +32,15 @@ func CheckVersion(from int) {
 	if from < PrevVersion {
 		panic(ErrVersionMismatch + ": expected >=" + std.Itoa(PrevVersion, 10))
 	}
-	if from == Version {
+	if Version <= from {
 		panic(ErrAlreadyUpdated + ": " + std.Itoa(Version, 10))
 	}
 }
 
 // AppendVersion appends current contract version to the list of deploy arguments.
-func AppendVersion(data interface{}) []interface{} {
+func AppendVersion(data any) []interface{} {
 	if data == nil {
-		return []interface{}{Version}
+		return []any{Version}
 	}
-	return append(data.([]interface{}), Version)
+	return append(data.([]any), Version)
 }

commonclient/invoker.go

@@ -0,0 +1,21 @@
+package commonclient
+
+import (
+	"github.com/google/uuid"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+)
+
+// Invoker is a subset of methods provided by struct invoker.Invoker. The subset contains only those
+// methods that are used by ActorWrapper and clients of the contracts.
+type Invoker interface {
+	Run([]byte) (*result.Invoke, error)
+	Call(contract util.Uint160, method string, params ...any) (*result.Invoke, error)
+	TraverseIterator(sessionID uuid.UUID, iterator *result.Iterator, num int) ([]stackitem.Item, error)
+	TerminateSession(sessionID uuid.UUID) error
+}
+
+// Ensure the interface is compatible with the invoker.Invoker struct.
+var _ Invoker = (*invoker.Invoker)(nil)

commonclient/iterator.go

@@ -0,0 +1,49 @@
+package commonclient
+
+import (
+	"fmt"
+
+	"github.com/google/uuid"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+)
+
+// ReadIteratorItems calls method that returns iterator and traverses the iterator until all items are read into array.
+func ReadIteratorItems(inv Invoker, batchSize int, contract util.Uint160, method string, params ...any) ([]stackitem.Item, error) {
+	if batchSize <= 0 {
+		panic("batch size must be positive")
+	}
+
+	script, err := smartcontract.CreateCallAndPrefetchIteratorScript(contract, method, batchSize, params...)
+	if err != nil {
+		return nil, fmt.Errorf("couldn't create unwrap script: %w", err)
+	}
+
+	arr, sessionID, iter, err := unwrap.ArrayAndSessionIterator(inv.Run(script))
+	if err != nil {
+		return nil, fmt.Errorf("unwrap session iterator: %w", err)
+	}
+	if (sessionID == uuid.UUID{}) {
+		return arr, nil
+	}
+
+	defer func() {
+		_ = inv.TerminateSession(sessionID)
+	}()
+
+	var shouldStop bool
+	res := arr
+	for !shouldStop {
+		items, err := inv.TraverseIterator(sessionID, &iter, batchSize)
+		if err != nil {
+			return nil, err
+		}
+
+		res = append(res, items...)
+		shouldStop = len(items) < batchSize
+	}
+
+	return res, nil
+}

commonclient/transaction.go

@@ -0,0 +1,63 @@
+package commonclient
+
+import (
+	"errors"
+
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+)
+
+// Transaction allows to invoke several contract method at once.
+type Transaction struct {
+	writer   *io.BufBinWriter
+	buffer   *io.BufBinWriter
+	contract util.Uint160
+}
+
+var ErrTransactionTooLarge = errors.New("transaction/script size limit exceeded")
+
+// NewTransaction creates new transaction to accumulate contract invocations.
+func NewTransaction(contractHash util.Uint160) *Transaction {
+	return &Transaction{
+		writer:   io.NewBufBinWriter(),
+		buffer:   io.NewBufBinWriter(),
+		contract: contractHash,
+	}
+}
+
+// WrapCall accept methods and arguments to invoke.
+// Should be used with method on clients like Client.MethodNameCall.
+func (t Transaction) WrapCall(method string, args []any) error {
+	t.buffer.Reset()
+	emit.AppCall(t.buffer.BinWriter, t.contract, method, callflag.All, args...)
+
+	if t.writer.Len()+t.buffer.Len() > transaction.MaxScriptLength {
+		return ErrTransactionTooLarge
+	}
+
+	t.writer.WriteBytes(t.buffer.Bytes())
+
+	return t.writer.Err
+}
+
+// WrapCallErr accept methods, arguments and error to handle and invoke.
+// Should be used with method on clients like *CallErr.
+func (t Transaction) WrapCallErr(method string, args []any, err error) error {
+	if err != nil {
+		return err
+	}
+
+	return t.WrapCall(method, args)
+}
+
+// Bytes returns the resulting buffer and makes future writes return an error.
+func (t Transaction) Bytes() ([]byte, error) {
+	if t.writer.Len() > transaction.MaxScriptLength {
+		return nil, ErrTransactionTooLarge
+	}
+
+	return t.writer.Bytes(), nil
+}

commonclient/waiter.go

@@ -0,0 +1,84 @@
+package commonclient
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/waiter"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+)
+
+const alreadyExistsError = "already exists"
+
+type WaiterOptions struct {
+	// IgnoreAlreadyExistsError controls behavior for "already exists" error:
+	// - If set to true, it indicates that "already exists" error is not a problem, we should
+	//   wait for transaction as usual (this is the behavior of neo-go [waiter.PollingBased]).
+	// - If set to false, it indicates that "already exists" should be reported as an error.
+	IgnoreAlreadyExistsError bool
+
+	// VerifyExecResults controls whether waiter should ensure that transaction successfully
+	// enters blockchain block.
+	VerifyExecResults bool
+}
+
+// Waiter is a decorator on top of the standard [waiter.Waiter].
+// It provides additional behavior (controlled by [WaiterOptions]) on top of the standard
+// functionality of awaiting transactions.
+type Waiter struct {
+	waiter  waiter.Waiter
+	options WaiterOptions
+}
+
+var _ waiter.Waiter = (*Waiter)(nil)
+
+// NewWaiter decorates the specified waiter in a new [Waiter] instance.
+func NewWaiter(waiter waiter.Waiter, options WaiterOptions) *Waiter {
+	return &Waiter{
+		waiter:  waiter,
+		options: options,
+	}
+}
+
+// Wait allows to wait until transaction will be accepted to the chain.
+func (w *Waiter) Wait(h util.Uint256, vub uint32, err error) (*state.AppExecResult, error) {
+	if !w.options.IgnoreAlreadyExistsError && errIsAlreadyExists(err) {
+		return nil, err
+	}
+	result, err := w.waiter.Wait(h, vub, err)
+	return w.examineExecResult(result, err)
+}
+
+// WaitAny waits until at least one of the specified transactions will be accepted
+// to the chain.
+func (w *Waiter) WaitAny(ctx context.Context, vub uint32, hashes ...util.Uint256) (*state.AppExecResult, error) {
+	result, err := w.waiter.WaitAny(ctx, vub, hashes...)
+	return w.examineExecResult(result, err)
+}
+
+func (w *Waiter) examineExecResult(result *state.AppExecResult, err error) (*state.AppExecResult, error) {
+	if !w.options.VerifyExecResults || err != nil {
+		return result, err
+	}
+
+	if result.Execution.VMState != vmstate.Fault {
+		// Transaction didn't fail, so we just return result "as is"
+		return result, nil
+	}
+
+	// Transaction failed, we extract VM exception from it and report as an error
+	if result.FaultException != "" {
+		return result, fmt.Errorf("%s", result.FaultException)
+	}
+	return result, fmt.Errorf("transaction failed, stack=%v", result.Stack)
+}
+
+func errIsAlreadyExists(err error) bool {
+	if err == nil {
+		return false
+	}
+	return strings.Contains(strings.ToLower(err.Error()), alreadyExistsError)
+}

commonclient/waiter_test.go

@@ -0,0 +1,135 @@
+package commonclient
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+type mockWaiter struct {
+	mock.Mock
+}
+
+func (w *mockWaiter) successfulResult(txHash util.Uint256) *state.AppExecResult {
+	return &state.AppExecResult{
+		Container: txHash,
+		Execution: state.Execution{
+			Trigger:        trigger.Application,
+			VMState:        vmstate.Halt,
+			GasConsumed:    100500,
+			Stack:          nil,
+			Events:         nil,
+			FaultException: "",
+		},
+	}
+}
+
+func (w *mockWaiter) failedResult(txHash util.Uint256, exception string) *state.AppExecResult {
+	return &state.AppExecResult{
+		Container: txHash,
+		Execution: state.Execution{
+			Trigger:        trigger.Application,
+			VMState:        vmstate.Fault,
+			GasConsumed:    100500,
+			Stack:          nil,
+			Events:         nil,
+			FaultException: exception,
+		},
+	}
+}
+
+func (m *mockWaiter) Wait(h util.Uint256, vub uint32, err error) (*state.AppExecResult, error) {
+	args := m.Called(h, vub, err)
+	result := args.Get(0)
+	if result == nil {
+		return nil, args.Error(1)
+	}
+	return result.(*state.AppExecResult), args.Error(1)
+}
+
+func (m *mockWaiter) WaitAny(ctx context.Context, vub uint32, hashes ...util.Uint256) (*state.AppExecResult, error) {
+	args := m.Called(ctx, vub, hashes)
+	result := args.Get(0)
+	if result == nil {
+		return nil, args.Error(1)
+	}
+	return result.(*state.AppExecResult), args.Error(1)
+}
+
+func TestWaiter(t *testing.T) {
+	txHash := util.Uint256{}
+	vub := uint32(100)
+
+	t.Run("ignore already exists error", func(t *testing.T) {
+		sendErr := fmt.Errorf("transaction already exists")
+		mw := &mockWaiter{}
+		mw.On("Wait", txHash, vub, mock.Anything).Return(mw.successfulResult(txHash), nil)
+
+		waiter := NewWaiter(mw, WaiterOptions{IgnoreAlreadyExistsError: true})
+		_, err := waiter.Wait(txHash, vub, sendErr)
+
+		require.NoError(t, err)
+	})
+
+	t.Run("report already exists error", func(t *testing.T) {
+		sendErr := fmt.Errorf("transaction already exists")
+		mw := &mockWaiter{}
+		mw.On("Wait", txHash, vub, mock.Anything).Return(mw.successfulResult(txHash), nil)
+
+		waiter := NewWaiter(mw, WaiterOptions{IgnoreAlreadyExistsError: false})
+		_, err := waiter.Wait(txHash, vub, sendErr)
+
+		require.Error(t, err)
+	})
+
+	t.Run("report wait error when transaction error is ignored", func(t *testing.T) {
+		waitErr := fmt.Errorf("mock error")
+		mw := &mockWaiter{}
+		mw.On("Wait", txHash, vub, nil).Return(nil, waitErr)
+
+		waiter := NewWaiter(mw, WaiterOptions{VerifyExecResults: false})
+		_, err := waiter.Wait(txHash, vub, nil)
+
+		require.ErrorIs(t, err, waitErr)
+	})
+
+	t.Run("report wait error when transaction error is verified", func(t *testing.T) {
+		waitErr := fmt.Errorf("mock error")
+		mw := &mockWaiter{}
+		mw.On("Wait", txHash, vub, nil).Return(nil, waitErr)
+
+		waiter := NewWaiter(mw, WaiterOptions{VerifyExecResults: true})
+		_, err := waiter.Wait(txHash, vub, nil)
+
+		require.ErrorIs(t, err, waitErr)
+	})
+
+	t.Run("ignore error from transaction", func(t *testing.T) {
+		txError := "mock error"
+		mw := &mockWaiter{}
+		mw.On("Wait", txHash, vub, nil).Return(mw.failedResult(txHash, txError), nil)
+
+		waiter := NewWaiter(mw, WaiterOptions{VerifyExecResults: false})
+		_, err := waiter.Wait(txHash, vub, nil)
+
+		require.NoError(t, err)
+	})
+
+	t.Run("examine error from transaction", func(t *testing.T) {
+		txError := "mock error"
+		mw := &mockWaiter{}
+		mw.On("Wait", txHash, vub, nil).Return(mw.failedResult(txHash, txError), nil)
+
+		waiter := NewWaiter(mw, WaiterOptions{VerifyExecResults: true})
+		_, err := waiter.Wait(txHash, vub, nil)
+
+		require.ErrorContains(t, err, txError)
+	})
+}

container/config.yml

@@ -1,8 +1,24 @@
 name: "Container"
-safemethods: ["count", "containersOf", "get", "owner", "list", "eACL", "getContainerSize", "listContainerSizes", "iterateContainerSizes", "version"]
+safemethods:
+  - "count"
+  - "containersOf"
+  - "deletionInfo"
+  - "eACL"
+  - "get"
+  - "getContainerSize"
+  - "iterateContainerSizes"
+  - "list"
+  - "listContainerSizes"
+  - "owner"
+  - "version"
 permissions:
-  - methods: ["update", "addKey", "transferX",
+  - methods:
-               "register", "addRecord", "deleteRecords"]
+    - "addRecord"
+    - "deleteRecords"
+    - "register"
+    - "transferX"
+    - "update"
+
 events:
   - name: PutSuccess
     parameters:

container/container_contract.go

@@ -50,7 +50,6 @@ const (
 	nnsContractKey       = "nnsScriptHash"
 	nnsRootKey           = "nnsRoot"
 	nnsHasAliasKey       = "nnsHasAlias"
-	notaryDisabledKey    = "notary"
 
 	// RegistrationFeeKey is a key in netmap config which contains fee for container registration.
 	RegistrationFeeKey = "ContainerFee"
@@ -64,6 +63,7 @@ const (
 	estimateKeyPrefix    = "cnr"
 	containerKeyPrefix   = 'x'
 	ownerKeyPrefix       = 'o'
+	graveKeyPrefix       = 'g'
 	estimatePostfixSize  = 10
 	// CleanupDelta contains the number of the last epochs for which container estimations are present.
 	CleanupDelta = 3
@@ -82,53 +82,27 @@ const (
 	defaultTTL     = 3600                 // 1 hour
 )
 
-var (
+var eACLPrefix = []byte("eACL")
-	eACLPrefix = []byte("eACL")
-)
 
 // OnNEP11Payment is needed for registration with contract as the owner to work.
-func OnNEP11Payment(a interop.Hash160, b int, c []byte, d interface{}) {
+func OnNEP11Payment(a interop.Hash160, b int, c []byte, d any) {
 }
 
-func _deploy(data interface{}, isUpdate bool) {
+func _deploy(data any, isUpdate bool) {
 	ctx := storage.GetContext()
 
-	common.RmAndCheckNotaryDisabledKey(data, notaryDisabledKey)
-
 	if isUpdate {
-		args := data.([]interface{})
+		args := data.([]any)
 		common.CheckVersion(args[len(args)-1].(int))
-
-		it := storage.Find(ctx, []byte{}, storage.None)
-		for iterator.Next(it) {
-			item := iterator.Value(it).(struct {
-				key   []byte
-				value []byte
-			})
-
-			// Migrate container.
-			if len(item.key) == containerIDSize {
-				storage.Delete(ctx, item.key)
-				storage.Put(ctx, append([]byte{containerKeyPrefix}, item.key...), item.value)
-			}
-
-			// Migrate owner-cid map.
-			if len(item.key) == 25 /* owner id size */ +containerIDSize {
-				storage.Delete(ctx, item.key)
-				storage.Put(ctx, append([]byte{ownerKeyPrefix}, item.key...), item.value)
-			}
-		}
 		return
 	}
 
 	args := data.(struct {
-		//TODO(@acid-ant): #9 remove notaryDisabled in future version
+		addrNetmap  interop.Hash160
-		notaryDisabled bool
+		addrBalance interop.Hash160
-		addrNetmap     interop.Hash160
+		addrID      interop.Hash160
-		addrBalance    interop.Hash160
+		addrNNS     interop.Hash160
-		addrID         interop.Hash160
+		nnsRoot     string
-		addrNNS        interop.Hash160
-		nnsRoot        string
 	})
 
 	if len(args.addrNetmap) != interop.Hash160Len ||
@@ -166,7 +140,7 @@ func registerNiceNameTLD(addrNNS interop.Hash160, nnsRoot string) {
 
 // Update method updates contract source code and manifest. It can be invoked
 // by committee only.
-func Update(script []byte, manifest []byte, data interface{}) {
+func Update(script []byte, manifest []byte, data any) {
 	if !common.HasUpdateAccess() {
 		panic("only committee can update contract")
 	}
@@ -191,12 +165,12 @@ func Put(container []byte, signature interop.Signature, publicKey interop.Public
 // Note that zone must exist.
 func PutNamed(container []byte, signature interop.Signature,
 	publicKey interop.PublicKey, token []byte,
-	name, zone string) {
+	name, zone string,
+) {
 	ctx := storage.GetContext()
 
 	ownerID := ownerFromBinaryContainer(container)
 	containerID := crypto.Sha256(container)
-	frostfsIDContractAddr := storage.Get(ctx, frostfsIDContractKey).(interop.Hash160)
 	cnr := Container{
 		value: container,
 		sig:   signature,
@@ -269,10 +243,6 @@ func PutNamed(container []byte, signature interop.Signature,
 		storage.Put(ctx, key, domain)
 	}
 
-	if len(token) == 0 { // if container created directly without session
-		contract.Call(frostfsIDContractAddr, "addKey", contract.All, ownerID, [][]byte{publicKey})
-	}
-
 	runtime.Log("added new container")
 	runtime.Notify("PutSuccess", containerID, publicKey)
 }
@@ -328,7 +298,7 @@ func Delete(containerID []byte, signature interop.Signature, publicKey interop.P
 		// and inability to delete a container. We should also check if we own the record in case.
 		nnsContractAddr := storage.Get(ctx, nnsContractKey).(interop.Hash160)
 		res := contract.Call(nnsContractAddr, "getRecords", contract.ReadStates|contract.AllowCall, domain, 16 /* TXT */)
-		if res != nil && std.Base58Encode(containerID) == string(res.([]interface{})[0].(string)) {
+		if res != nil && std.Base58Encode(containerID) == string(res.([]any)[0].(string)) {
 			contract.Call(nnsContractAddr, "deleteRecords", contract.All, domain, 16 /* TXT */)
 		}
 	}
@@ -337,6 +307,35 @@ func Delete(containerID []byte, signature interop.Signature, publicKey interop.P
 	runtime.Notify("DeleteSuccess", containerID)
 }
 
+type DelInfo struct {
+	Owner []byte
+	Epoch int
+}
+
+type delInfo struct {
+	Owner []byte
+	Epoch []byte
+}
+
+// DeletionInfo method returns container deletion info.
+// If the container had never existed, NotFoundError is throwed.
+// It can be used to check whether non-existing container was indeed deleted
+// or does not yet exist at some height.
+func DeletionInfo(containerID []byte) DelInfo {
+	ctx := storage.GetReadOnlyContext()
+	graveKey := append([]byte{graveKeyPrefix}, containerID...)
+	data := storage.Get(ctx, graveKey).([]byte)
+	if data == nil {
+		panic(NotFoundError)
+	}
+
+	d := std.Deserialize(data).(delInfo)
+	return DelInfo{
+		Owner: d.Owner,
+		Epoch: common.FromFixedWidth64(d.Epoch),
+	}
+}
+
 // Get method returns a structure that contains a stable marshaled Container structure,
 // the signature, the public key of the container creator and a stable marshaled SessionToken
 // structure if it was provided.
@@ -516,7 +515,7 @@ func GetContainerSize(id []byte) containerSizes {
 func ListContainerSizes(epoch int) [][]byte {
 	ctx := storage.GetReadOnlyContext()
 
-	var buf interface{} = epoch
+	var buf any = epoch
 
 	key := []byte(estimateKeyPrefix)
 	key = append(key, buf.([]byte)...)
@@ -548,7 +547,7 @@ func ListContainerSizes(epoch int) [][]byte {
 func IterateContainerSizes(epoch int) iterator.Iterator {
 	ctx := storage.GetReadOnlyContext()
 
-	var buf interface{} = epoch
+	var buf any = epoch
 
 	key := []byte(estimateKeyPrefix)
 	key = append(key, buf.([]byte)...)
@@ -596,6 +595,9 @@ func addContainer(ctx storage.Context, id, owner []byte, container Container) {
 
 	idKey := append([]byte{containerKeyPrefix}, id...)
 	common.SetSerialized(ctx, idKey, container)
+
+	graveKey := append([]byte{graveKeyPrefix}, id...)
+	storage.Delete(ctx, graveKey)
 }
 
 func removeContainer(ctx storage.Context, id []byte, owner []byte) {
@@ -604,6 +606,14 @@ func removeContainer(ctx storage.Context, id []byte, owner []byte) {
 	storage.Delete(ctx, containerListKey)
 
 	storage.Delete(ctx, append([]byte{containerKeyPrefix}, id...))
+
+	graveKey := append([]byte{graveKeyPrefix}, id...)
+	netmapContractAddr := storage.Get(ctx, netmapContractKey).(interop.Hash160)
+	epoch := contract.Call(netmapContractAddr, "epoch", contract.ReadOnly).(int)
+	common.SetSerialized(ctx, graveKey, delInfo{
+		Owner: owner,
+		Epoch: common.ToFixedWidth64(epoch),
+	})
 }
 
 func getAllContainers(ctx storage.Context) [][]byte {
@@ -655,7 +665,7 @@ func ownerFromBinaryContainer(container []byte) []byte {
 }
 
 func estimationKey(epoch int, cid []byte, key interop.PublicKey) []byte {
-	var buf interface{} = epoch
+	var buf any = epoch
 
 	hash := crypto.Ripemd160(key)
 
@@ -733,7 +743,7 @@ func cleanupContainers(ctx storage.Context, epoch int) {
 		// V2 format
 		nbytes := k[len(estimateKeyPrefix) : len(k)-containerIDSize-estimatePostfixSize]
 
-		var n interface{} = nbytes
+		var n any = nbytes
 
 		if epoch-n.(int) > TotalCleanupDelta {
 			storage.Delete(ctx, k)

container/doc.go

@@ -26,19 +26,17 @@ it in Container contract.
 
 # Contract storage scheme
 
- |   Key                                               | Value      |           Description            |
+	|   Key                                               | Value      |           Description            |
- |-----------------------------------------------------------------------------------------------------|
+	|-----------------------------------------------------------------------------------------------------|
- | `netmapScriptHash`                                  | Hash160    | netmap contract hash             |
+	| `netmapScriptHash`                                  | Hash160    | netmap contract hash             |
- | `balanceScriptHash`                                 | Hash160    | balance contract hash            |
+	| `balanceScriptHash`                                 | Hash160    | balance contract hash            |
- | `identityScriptHash`                                | Hash160    | frostfsID contract hash          |
+	| `identityScriptHash`                                | Hash160    | frostfsID contract hash          |
- | `nnsContractKey`                                    | Hash160    | nns contract hash                |
+	| `nnsContractKey`                                    | Hash160    | nns contract hash                |
- | `nnsRoot`                                           | string     | default value for domain zone    |
+	| `nnsRoot`                                           | string     | default value for domain zone    |
- | `cnr` + epoch + containerID + publicKeyHash[:10]    | ByteArray  | estimated container size         |
+	| `cnr` + epoch + containerID + publicKeyHash[:10]    | ByteArray  | estimated container size         |
- | `est` + containerID + publicKeyHash                 | ByteArray  | serialized epochs array          |
+	| `est` + containerID + publicKeyHash                 | ByteArray  | serialized epochs array          |
- | `o` + ownerID + containerID                         | ByteArray  | container ID                     |
+	| `o` + ownerID + containerID                         | ByteArray  | container ID                     |
- | `x` + containerID                                   | ByteArray  | serialized container struct      |
+	| `x` + containerID                                   | ByteArray  | serialized container struct      |
- | `nnsHasAlias` + containerID                         | string     | domain name                      |
+	| `nnsHasAlias` + containerID                         | string     | domain name                      |
-
-
 */
 package container

docs/globally-unique-domain-zone.md

@@ -0,0 +1,160 @@
+# Globally unique domain zone
+
+**Make sure you understand the [basic concepts](../nns/README.md) of `NNS`.**
+
+`Globally Unique Domains Zone` (`GUDZ`) is an extension of `NNS` that ensures unique names across multiple domain zones. When this option is enabled, all newly created domains will automatically receive a corresponding alias in the designated global zone. Deleting a domain will also remove its alias from the global zone.
+
+It's important to note that this feature is not retroactive: domains created before this option is enabled will not receive a global alias. Likewise, if the option is later disabled, domains that already have a `GUDZ` alias will retain their records. To fully disable `GUDZ`, all domains must be recreated with the option turned off.
+
+To enable `GUDZ`, add a `cnametgt=$(global domain)` `TXT` record that specifies the global zone.
+
+**Example:**
+
+Domains:
+- `poland`
+- `sweden`
+- `animals.org`
+
+It is necessary to associate the domain zones `.poland` and `.sweden` into the global zone `.animals`.
+
+![](img/GUDZ.png)
+
+Create domains:
+
+```
+frostfs-adm morph nns register --name="poland" --email="email@email.email"
+frostfs-adm morph nns register --name="sweden" --email="email@email.email"
+frostfs-adm morph nns register --name="org" --email="email@email.email"
+frostfs-adm morph nns register --name="animals.org" --email="email@email.email"
+```
+
+Add the `cnametgt` records:
+
+```
+frostfs-adm morph nns  add-record --name="poland" --data="cnametgt=animals.org" --type="txt" 
+frostfs-adm morph nns  add-record --name="sweden" --data="cnametgt=animals.org" --type="txt" 
+```
+
+Create a domain with mapping to the global zone:
+
+```
+frostfs-adm morph nns register --name="bober.poland" --email="email@email.email"
+```
+
+Add any `TXT` record
+
+```
+frostfs-adm morph nns  add-record --name="bober.poland" --data="CID" --type="txt"
+```
+
+Verify that the created domain has alias in the global zone
+
+```
+frostfs-adm morph nns tokens -v
+
+balance.frostfs
+animals.org
+group.frostfs
+container
+org
+container.frostfs
+proxy.frostfs
+policy.frostfs
+alphabet0.frostfs
+sweden
+frostfsid.frostfs
+bober.animals.org (CNAME: bober.poland)
+netmap.frostfs
+frostfs
+poland
+bober.poland
+```
+
+Create of a conflicting domain
+```
+frostfs-adm morph nns register --name="bober.sweden" --email="email@email.email"
+
+unable to register domain: script failed (FAULT state) due to an error: at instruction 1263 (THROW): unhandled exception: "global domain is already taken: bober.animals.org. Domain: bober.poland
+```
+
+**Disable GUDZ**
+Delete `cnametgt` records
+
+```
+frostfs-adm morph nns delete-records --type=txt --name=poland
+```
+Create `hamster.poland` and `hamster.sweden`
+```
+frostfs-adm morph nns register --name="hamster.poland" --email="email@email.email"
+frostfs-adm morph nns register --name="hamster.sweden" --email="email@email.email"
+```
+`hamster.poland` and `hamster.sweden` does not have alias
+```
+frostfs-adm morph nns tokens -v
+balance.frostfs
+animals.org
+group.frostfs
+container
+org
+container.frostfs
+proxy.frostfs
+policy.frostfs
+alphabet0.frostfs
+sweden
+frostfsid.frostfs
+bober.animals.org (CNAME: bober.poland)
+netmap.frostfs
+frostfs
+poland
+bober.poland
+hamster.poland
+```
+Delete global alias of `bober.poland`
+
+```
+ frostfs-adm morph nns delete-records --name="bober.poland" --type="txt"
+```
+
+
+```
+frostfs-adm morph nns tokens -v
+balance.frostfs
+animals.org
+group.frostfs
+container
+org
+container.frostfs
+proxy.frostfs
+policy.frostfs
+alphabet0.frostfs
+sweden
+frostfsid.frostfs
+netmap.frostfs
+frostfs
+poland
+bober.poland
+hamster.poland
+```
+Delete `bober.poland`
+```
+ frostfs-adm morph nns delete --name="bober.poland"
+```
+
+```
+frostfs-adm morph nns tokens -v
+balance.frostfs
+animals.org
+group.frostfs
+container
+org
+container.frostfs
+proxy.frostfs
+policy.frostfs
+alphabet0.frostfs
+sweden
+frostfsid.frostfs
+netmap.frostfs
+frostfs
+poland
+hamster.poland
+```

docs/img/GUDZ.drawio

@@ -0,0 +1,139 @@
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+        </mxCell>
+        <mxCell id="Z9nLDmrU-mAa8Hye4rHX-13" value="&lt;span style=&quot;white-space: pre-wrap;&quot; data-src-align=&quot;0:10&quot; class=&quot;EzKURWReUAB5oZgtQNkl&quot;&gt;[ without global&lt;/span&gt;&lt;span style=&quot;white-space: pre-wrap;&quot;&gt; &lt;/span&gt;&lt;span style=&quot;white-space: pre-wrap;&quot; data-src-align=&quot;11:8&quot; class=&quot;EzKURWReUAB5oZgtQNkl&quot;&gt;domain&lt;/span&gt;&lt;span style=&quot;white-space: pre-wrap;&quot;&gt; &lt;/span&gt;&lt;span style=&quot;white-space: pre-wrap;&quot; data-src-align=&quot;20:4&quot; class=&quot;EzKURWReUAB5oZgtQNkl&quot;&gt;zone ]&lt;/span&gt;" style="text;html=1;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;" vertex="1" parent="1">
+          <mxGeometry x="390" y="-300" width="180" height="30" as="geometry" />
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+</mxfile>

frostfs/config.yml

@@ -1,5 +1,9 @@
 name: "FrostFS"
-safemethods: ["alphabetAddress", "innerRingCandidates", "config", "listConfig", "version"]
+safemethods:
+  - "config"
+  - "innerRingCandidates"
+  - "listConfig"
+  - "version"
 permissions:
   - methods: ["update", "transfer"]
 events:

frostfs/doc.go

@@ -83,12 +83,10 @@ FrostFS network configuration value.
 
 # Contract storage scheme
 
- |   Key                       | Value      |           Description            |
+	|   Key                       | Value      |           Description            |
- |-----------------------------------------------------------------------------|
+	|-----------------------------------------------------------------------------|
- | `processingScriptHash`      | Hash160    | processing contract hash         |
+	| `processingScriptHash`      | Hash160    | processing contract hash         |
- | `candidates` + candidateKey | ByteArray  | it flags inner ring candidate    |
+	| `candidates` + candidateKey | ByteArray  | it flags inner ring candidate    |
- | `config` + postfix          | ByteArray  | serialized config data           |
+	| `config` + postfix          | ByteArray  | serialized config data           |
-
-
 */
 package frostfs

frostfs/frostfs_contract.go

@@ -9,7 +9,6 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/ledger"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/roles"
-	"github.com/nspcc-dev/neo-go/pkg/interop/native/std"
 	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
 	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
 )
@@ -26,9 +25,7 @@ const (
 	CandidateFeeConfigKey = "InnerRingCandidateFee"
 	withdrawFeeConfigKey  = "WithdrawFee"
 
-	alphabetKey       = "alphabet"
+	candidatesKey = "candidates"
-	candidatesKey     = "candidates"
-	notaryDisabledKey = "notary"
 
 	processingContractKey = "processingScriptHash"
 
@@ -39,28 +36,22 @@ const (
 	ignoreDepositNotification = "\x57\x0b"
 )
 
-var (
+var configPrefix = []byte("config")
-	configPrefix = []byte("config")
-)
 
 // _deploy sets up initial alphabet node keys.
-func _deploy(data interface{}, isUpdate bool) {
+func _deploy(data any, isUpdate bool) {
 	ctx := storage.GetContext()
 
-	common.RmAndCheckNotaryDisabledKey(data, notaryDisabledKey)
-
 	if isUpdate {
-		args := data.([]interface{})
+		args := data.([]any)
 		common.CheckVersion(args[len(args)-1].(int))
 		return
 	}
 
 	args := data.(struct {
-		//TODO(@acid-ant): #9 remove notaryDisabled in future version
+		addrProc interop.Hash160
-		notaryDisabled bool
+		keys     []interop.PublicKey
-		addrProc       interop.Hash160
+		config   [][]byte
-		keys           []interop.PublicKey
-		config         [][]byte
 	})
 
 	if len(args.keys) == 0 {
@@ -78,9 +69,6 @@ func _deploy(data interface{}, isUpdate bool) {
 		}
 	}
 
-	// initialize all storage slices
-	common.SetSerialized(ctx, alphabetKey, args.keys)
-
 	storage.Put(ctx, processingContractKey, args.addrProc)
 
 	ln := len(args.config)
@@ -100,7 +88,7 @@ func _deploy(data interface{}, isUpdate bool) {
 
 // Update method updates contract source code and manifest. It can be invoked
 // only by sidechain committee.
-func Update(script []byte, manifest []byte, data interface{}) {
+func Update(script []byte, manifest []byte, data any) {
 	blockHeight := ledger.CurrentIndex()
 	alphabetKeys := roles.GetDesignatedByRole(roles.NeoFSAlphabet, uint32(blockHeight+1))
 	alphabetCommittee := common.Multiaddress(alphabetKeys, true)
@@ -113,13 +101,6 @@ func Update(script []byte, manifest []byte, data interface{}) {
 	runtime.Log("frostfs contract updated")
 }
 
-// AlphabetAddress returns 2\3n+1 multisignature address of alphabet nodes.
-// It is used in sidechain notary disabled environment.
-func AlphabetAddress() interop.Hash160 {
-	ctx := storage.GetReadOnlyContext()
-	return multiaddress(getAlphabetNodes(ctx))
-}
-
 // InnerRingCandidates returns an array of structures that contain an Inner Ring
 // candidate node key.
 func InnerRingCandidates() []common.IRNode {
@@ -144,8 +125,7 @@ func InnerRingCandidateRemove(key interop.PublicKey) {
 	keyOwner := runtime.CheckWitness(key)
 
 	if !keyOwner {
-		multiaddr := AlphabetAddress()
+		if !runtime.CheckWitness(common.AlphabetAddress()) {
-		if !runtime.CheckWitness(multiaddr) {
 			panic("this method must be invoked by candidate or alphabet")
 		}
 	}
@@ -190,7 +170,7 @@ func InnerRingCandidateAdd(key interop.PublicKey) {
 // It takes no more than 9000.0 GAS. Native GAS has precision 8, and
 // FrostFS balance contract has precision 12. Values bigger than 9000.0 can
 // break JSON limits for integers when precision is converted.
-func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) {
+func OnNEP17Payment(from interop.Hash160, amount int, data any) {
 	rcv := data.(interop.Hash160)
 	if common.BytesEqual(rcv, []byte(ignoreDepositNotification)) {
 		return
@@ -321,7 +301,7 @@ func Unbind(user []byte, keys []interop.PublicKey) {
 
 // Config returns configuration value of FrostFS configuration. If the key does
 // not exists, returns nil.
-func Config(key []byte) interface{} {
+func Config(key []byte) any {
 	ctx := storage.GetReadOnlyContext()
 	return getConfig(ctx, key)
 }
@@ -365,18 +345,8 @@ func Version() int {
 	return common.Version
 }
 
-// getAlphabetNodes returns a deserialized slice of nodes from storage.
-func getAlphabetNodes(ctx storage.Context) []interop.PublicKey {
-	data := storage.Get(ctx, alphabetKey)
-	if data != nil {
-		return std.Deserialize(data.([]byte)).([]interop.PublicKey)
-	}
-
-	return []interop.PublicKey{}
-}
-
 // getConfig returns the installed frostfs configuration value or nil if it is not set.
-func getConfig(ctx storage.Context, key interface{}) interface{} {
+func getConfig(ctx storage.Context, key any) interface{} {
 	postfix := key.([]byte)
 	storageKey := append(configPrefix, postfix...)
 
@@ -384,7 +354,7 @@ func getConfig(ctx storage.Context, key interface{}) interface{} {
 }
 
 // setConfig sets a frostfs configuration value in the contract storage.
-func setConfig(ctx storage.Context, key, val interface{}) {
+func setConfig(ctx storage.Context, key, val any) {
 	postfix := key.([]byte)
 	storageKey := append(configPrefix, postfix...)
 

frostfsid/client/client.go

@@ -0,0 +1,656 @@
+package client
+
+import (
+	"fmt"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-contract/commonclient"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/notary"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/waiter"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+)
+
+type (
+	Client struct {
+		act      *actor.Actor
+		waiter   waiter.Waiter
+		contract util.Uint160
+	}
+
+	Options struct {
+		ProxyContract util.Uint160
+		Waiter        commonclient.WaiterOptions
+	}
+)
+
+type (
+	Subject struct {
+		PrimaryKey     *keys.PublicKey
+		AdditionalKeys keys.PublicKeys
+		Namespace      string
+		Name           string
+		KV             map[string]string
+	}
+
+	SubjectExtended struct {
+		PrimaryKey     *keys.PublicKey
+		AdditionalKeys keys.PublicKeys
+		Namespace      string
+		Name           string
+		KV             map[string]string
+		Groups         []*Group
+	}
+
+	Namespace struct {
+		Name string
+	}
+
+	NamespaceExtended struct {
+		Name          string
+		GroupsCount   int64
+		SubjectsCount int64
+	}
+
+	Group struct {
+		ID        int64
+		Name      string
+		Namespace string
+		KV        map[string]string
+	}
+
+	GroupExtended struct {
+		ID            int64
+		Name          string
+		Namespace     string
+		KV            map[string]string
+		SubjectsCount int64
+	}
+)
+
+const (
+	IAMPathKey         = "iam-path"
+	IAMARNKey          = "iam-arn"
+	IAMCreatedTimeKey  = "ctime"
+	IAMModifiedTimeKey = "mtime"
+)
+
+const iteratorBatchSize = 100
+
+const (
+	getAdminMethod   = "getAdmin"
+	setAdminMethod   = "setAdmin"
+	clearAdminMethod = "clearAdmin"
+
+	versionMethod = "version"
+
+	createSubjectMethod       = "createSubject"
+	getSubjectMethod          = "getSubject"
+	getSubjectExtendedMethod  = "getSubjectExtended"
+	getSubjectKVMethod        = "getSubjectKV"
+	listSubjectsMethod        = "listSubjects"
+	addSubjectKeyMethod       = "addSubjectKey"
+	removeSubjectKeyMethod    = "removeSubjectKey"
+	getSubjectByKeyMethod     = "getSubjectByKey"
+	getSubjectByNameMethod    = "getSubjectByName"
+	getSubjectKeyByNameMethod = "getSubjectKeyByName"
+	setSubjectKVMethod        = "setSubjectKV"
+	setSubjectNameMethod      = "setSubjectName"
+	deleteSubjectKVMethod     = "deleteSubjectKV"
+	deleteSubjectMethod       = "deleteSubject"
+
+	createNamespaceMethod       = "createNamespace"
+	getNamespaceMethod          = "getNamespace"
+	getNamespaceExtendedMethod  = "getNamespaceExtended"
+	listNamespacesMethod        = "listNamespaces"
+	listNamespaceSubjectsMethod = "listNamespaceSubjects"
+
+	createGroupMethod            = "createGroup"
+	getGroupMethod               = "getGroup"
+	getGroupExtendedMethod       = "getGroupExtended"
+	getGroupIDByNameMethod       = "getGroupIDByName"
+	getGroupByNameMethod         = "getGroupByName"
+	setGroupNameMethod           = "setGroupName"
+	setGroupKVMethod             = "setGroupKV"
+	deleteGroupKVMethod          = "deleteGroupKV"
+	listGroupsMethod             = "listGroups"
+	addSubjectToGroupMethod      = "addSubjectToGroup"
+	removeSubjectFromGroupMethod = "removeSubjectFromGroup"
+	listGroupSubjectsMethod      = "listGroupSubjects"
+	deleteGroupMethod            = "deleteGroup"
+)
+
+// New creates a new Client. Options can be empty.
+func New(ra actor.RPCActor, acc *wallet.Account, contract util.Uint160, opt Options) (*Client, error) {
+	signers := []actor.SignerAccount{{
+		Signer: transaction.Signer{
+			Account: acc.Contract.ScriptHash(),
+			Scopes:  transaction.CalledByEntry,
+		},
+		Account: acc,
+	}}
+
+	if !opt.ProxyContract.Equals(util.Uint160{}) {
+		signers = append([]actor.SignerAccount{{
+			Signer: transaction.Signer{
+				Account:          opt.ProxyContract,
+				Scopes:           transaction.CustomContracts,
+				AllowedContracts: []util.Uint160{contract},
+			},
+			Account: notary.FakeContractAccount(opt.ProxyContract),
+		}}, signers...)
+	}
+
+	act, err := actor.New(ra, signers)
+	if err != nil {
+		return nil, fmt.Errorf("init actor: %w", err)
+	}
+	wtr := commonclient.NewWaiter(act, opt.Waiter)
+
+	return &Client{
+		act:      act,
+		waiter:   wtr,
+		contract: contract,
+	}, nil
+}
+
+// NewSimple creates a new Client using existing actor.Actor and default waiter options.
+func NewSimple(act *actor.Actor, contract util.Uint160) *Client {
+	wtr := commonclient.NewWaiter(act, commonclient.WaiterOptions{})
+	return &Client{
+		act:      act,
+		waiter:   wtr,
+		contract: contract,
+	}
+}
+
+// StartTx inits transaction.
+func (c Client) StartTx() *commonclient.Transaction {
+	return commonclient.NewTransaction(c.contract)
+}
+
+// SendTx sends provided transaction to blockchain.
+func (c Client) SendTx(txn *commonclient.Transaction) (tx util.Uint256, vub uint32, err error) {
+	txBytes, err := txn.Bytes()
+	if err != nil {
+		return util.Uint256{}, 0, err
+	}
+
+	return c.act.SendRun(txBytes)
+}
+
+// Version returns version of contract.
+func (c Client) Version() (int64, error) {
+	return unwrap.Int64(c.act.Call(c.contract, versionMethod))
+}
+
+// SetAdmin sets address that can perform write operations on contract.
+// Must be invoked by committee.
+func (c Client) SetAdmin(owner util.Uint160) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.SetAdminCall(owner)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// SetAdminCall provides args for SetAdmin to use in commonclient.Transaction.
+func (c Client) SetAdminCall(owner util.Uint160) (method string, args []any) {
+	return setAdminMethod, []any{owner}
+}
+
+// ClearAdmin removes address that can perform write operations on contract.
+// Must be invoked by committee.
+func (c Client) ClearAdmin() (tx util.Uint256, vub uint32, err error) {
+	method, args := c.ClearAdminCall()
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// ClearAdminCall provides args for ClearAdmin to use in commonclient.Transaction.
+func (c Client) ClearAdminCall() (method string, args []any) {
+	return clearAdminMethod, nil
+}
+
+// GetAdmin returns address that can perform write operations on contract.
+// Second return values is true iff admin is set.
+func (c Client) GetAdmin() (util.Uint160, bool, error) {
+	item, err := unwrap.Item(c.act.Call(c.contract, getAdminMethod))
+	if err != nil {
+		return util.Uint160{}, false, err
+	}
+	if item.Value() == nil {
+		return util.Uint160{}, false, nil
+	}
+	bs, err := item.TryBytes()
+	if err != nil {
+		return util.Uint160{}, true, err
+	}
+	u, err := util.Uint160DecodeBytesBE(bs)
+	return u, true, err
+}
+
+// CreateSubject creates new subject using public key and namespace.
+// Must be invoked by contract owner.
+func (c Client) CreateSubject(ns string, key *keys.PublicKey) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.CreateSubjectCall(ns, key)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// CreateSubjectCall provides args for CreateSubject to use in commonclient.Transaction.
+func (c Client) CreateSubjectCall(ns string, key *keys.PublicKey) (method string, args []any) {
+	return createSubjectMethod, []any{ns, key.Bytes()}
+}
+
+// GetSubject gets subject by address.
+func (c Client) GetSubject(addr util.Uint160) (*Subject, error) {
+	items, err := unwrap.Array(c.act.Call(c.contract, getSubjectMethod, addr))
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseSubject(items)
+}
+
+// GetSubjectExtended gets extended subject by address.
+func (c Client) GetSubjectExtended(addr util.Uint160) (*SubjectExtended, error) {
+	items, err := unwrap.Array(c.act.Call(c.contract, getSubjectExtendedMethod, addr))
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseSubjectExtended(items)
+}
+
+// GetSubjectKV invokes `getSubjectKV` method of contract.
+func (c Client) GetSubjectKV(addr util.Uint160, name string) (string, error) {
+	return unwrap.UTF8String(c.act.Call(c.contract, getSubjectKVMethod, addr, name))
+}
+
+// ListSubjects gets all subjects.
+func (c Client) ListSubjects() ([]util.Uint160, error) {
+	return UnwrapArrayOfUint160(commonclient.ReadIteratorItems(c.act, iteratorBatchSize, c.contract, listSubjectsMethod))
+}
+
+// ListFullSubjects gets list of subjects.
+func (c Client) ListFullSubjects(hashes []util.Uint160) ([]*Subject, error) {
+	w := io.NewBufBinWriter()
+
+	for _, hash := range hashes {
+		emit.AppCall(w.BinWriter, c.contract, getSubjectMethod, callflag.All, hash)
+	}
+
+	invoker, err := c.act.Run(w.Bytes())
+	if err != nil {
+		return nil, err
+	}
+	if invoker.State != vmstate.Halt.String() {
+		return nil, fmt.Errorf("invocation failed: %s", invoker.FaultException)
+	}
+	subjects := make([]*Subject, 0, len(invoker.Stack))
+
+	for _, item := range invoker.Stack {
+		arr, ok := item.Value().([]stackitem.Item)
+		if !ok {
+			return nil, fmt.Errorf("invalid subject")
+		}
+
+		subject, err := ParseSubject(arr)
+		if err != nil {
+			return nil, err
+		}
+		subjects = append(subjects, subject)
+	}
+
+	return subjects, nil
+}
+
+// AddSubjectKey adds extra public key to subject.
+// Must be invoked by contract owner.
+func (c Client) AddSubjectKey(addr util.Uint160, key *keys.PublicKey) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.AddSubjectKeyCall(addr, key)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// AddSubjectKeyCall provides args for AddSubjectKey to use in commonclient.Transaction.
+func (c Client) AddSubjectKeyCall(addr util.Uint160, key *keys.PublicKey) (method string, args []any) {
+	return addSubjectKeyMethod, []any{addr, key.Bytes()}
+}
+
+// RemoveSubjectKey removes extra public key from subject.
+// Must be invoked by contract owner.
+func (c Client) RemoveSubjectKey(addr util.Uint160, key *keys.PublicKey) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.RemoveSubjectKeyCall(addr, key)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// RemoveSubjectKeyCall provides args for RemoveSubjectKey to use in commonclient.Transaction.
+func (c Client) RemoveSubjectKeyCall(addr util.Uint160, key *keys.PublicKey) (method string, args []any) {
+	return removeSubjectKeyMethod, []any{addr, key.Bytes()}
+}
+
+// SetSubjectKV updates subject kv map.
+// Must be invoked by contract owner.
+// You can use some predefined key constants: IAMPathKey, IAMARNKey, IAMCreatedTimeKey, IAMModifiedTimeKey.
+func (c Client) SetSubjectKV(addr util.Uint160, key, val string) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.SetSubjectKVCall(addr, key, val)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// SetSubjectKVCall provides args for SetSubjectKV to use in commonclient.Transaction.
+func (c Client) SetSubjectKVCall(addr util.Uint160, key, val string) (method string, args []any) {
+	return setSubjectKVMethod, []any{addr, key, val}
+}
+
+// SetSubjectName updates subject name.
+// Must be invoked by contract owner.
+func (c Client) SetSubjectName(addr util.Uint160, name string) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.SetSubjectNameCall(addr, name)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// SetSubjectNameCall provides args for SetSubjectName to use in commonclient.Transaction.
+func (c Client) SetSubjectNameCall(addr util.Uint160, name string) (method string, args []any) {
+	return setSubjectNameMethod, []any{addr, name}
+}
+
+// DeleteSubjectKV removes subject kv map.
+// Must be invoked by contract owner.
+func (c Client) DeleteSubjectKV(addr util.Uint160, key string) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.DeleteSubjectKVCall(addr, key)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// DeleteSubjectKVCall provides args for DeleteSubjectKV to use in commonclient.Transaction.
+func (c Client) DeleteSubjectKVCall(addr util.Uint160, key string) (method string, args []any) {
+	return deleteSubjectKVMethod, []any{addr, key}
+}
+
+// GetSubjectByKey gets subject by its primary or additional keys.
+func (c Client) GetSubjectByKey(key *keys.PublicKey) (*Subject, error) {
+	items, err := unwrap.Array(c.act.Call(c.contract, getSubjectByKeyMethod, key.Bytes()))
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseSubject(items)
+}
+
+// GetSubjectByName gets subject by its name (namespace scope).
+func (c Client) GetSubjectByName(namespace, subjectName string) (*Subject, error) {
+	items, err := unwrap.Array(c.act.Call(c.contract, getSubjectByNameMethod, namespace, subjectName))
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseSubject(items)
+}
+
+// GetSubjectKeyByName gets subject public key by its name (namespace scope).
+func (c Client) GetSubjectKeyByName(namespace, subjectName string) (*keys.PublicKey, error) {
+	return unwrap.PublicKey(c.act.Call(c.contract, getSubjectKeyByNameMethod, namespace, subjectName))
+}
+
+// DeleteSubject delete subject and removes it from related namespaces and groups.
+// Must be invoked by contract owner.
+func (c Client) DeleteSubject(addr util.Uint160) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.DeleteSubjectCall(addr)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// DeleteSubjectCall provides args for DeleteSubject to use in commonclient.Transaction.
+func (c Client) DeleteSubjectCall(addr util.Uint160) (method string, args []any) {
+	return deleteSubjectMethod, []any{addr}
+}
+
+// CreateNamespace create new namespace.
+// Must be invoked by contract owner.
+func (c Client) CreateNamespace(namespace string) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.CreateNamespaceCall(namespace)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// CreateNamespaceCall provides args for CreateNamespace to use in commonclient.Transaction.
+func (c Client) CreateNamespaceCall(namespace string) (method string, args []any) {
+	return createNamespaceMethod, []any{namespace}
+}
+
+// GetNamespace gets namespace.
+func (c Client) GetNamespace(namespace string) (*Namespace, error) {
+	items, err := unwrap.Array(c.act.Call(c.contract, getNamespaceMethod, namespace))
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseNamespace(items)
+}
+
+// GetNamespaceExtended gets extended namespace.
+func (c Client) GetNamespaceExtended(namespace string) (*NamespaceExtended, error) {
+	items, err := unwrap.Array(c.act.Call(c.contract, getNamespaceExtendedMethod, namespace))
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseNamespaceExtended(items)
+}
+
+// ListNamespaces gets all namespaces.
+func (c Client) ListNamespaces() ([]*Namespace, error) {
+	items, err := commonclient.ReadIteratorItems(c.act, iteratorBatchSize, c.contract, listNamespacesMethod)
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseNamespaces(items)
+}
+
+// ListNamespaceSubjects gets all subjects from namespace.
+func (c Client) ListNamespaceSubjects(namespace string) ([]util.Uint160, error) {
+	return UnwrapArrayOfUint160(commonclient.ReadIteratorItems(c.act, iteratorBatchSize, c.contract, listNamespaceSubjectsMethod, namespace))
+}
+
+// CreateGroup creates a new group in specific namespace.
+// Must be invoked by contract owner.
+func (c Client) CreateGroup(namespace, group string) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.CreateGroupCall(namespace, group)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// CreateGroupCall provides args for CreateGroup to use in commonclient.Transaction.
+func (c Client) CreateGroupCall(namespace, group string) (method string, args []any) {
+	return createGroupMethod, []any{namespace, group}
+}
+
+// GetGroup gets group.
+func (c Client) GetGroup(namespace string, groupID int64) (*Group, error) {
+	items, err := unwrap.Array(c.act.Call(c.contract, getGroupMethod, namespace, groupID))
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseGroup(items)
+}
+
+// GetGroupExtended gets extended group.
+func (c Client) GetGroupExtended(namespace string, groupID int64) (*GroupExtended, error) {
+	items, err := unwrap.Array(c.act.Call(c.contract, getGroupExtendedMethod, namespace, groupID))
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseGroupExtended(items)
+}
+
+// SetGroupName updates subject name.
+// Must be invoked by contract owner.
+func (c Client) SetGroupName(namespace string, groupID int64, name string) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.SetGroupNameCall(namespace, groupID, name)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// SetGroupNameCall provides args for SetGroupName to use in commonclient.Transaction.
+func (c Client) SetGroupNameCall(namespace string, groupID int64, name string) (method string, args []any) {
+	return setGroupNameMethod, []any{namespace, groupID, name}
+}
+
+// SetGroupKV updates group kv map.
+// Must be invoked by contract owner.
+// You can use some predefined key constants: IAMPathKey, IAMARNKey, IAMCreatedTimeKey, IAMModifiedTimeKey.
+func (c Client) SetGroupKV(namespace string, groupID int64, key, val string) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.SetGroupKVCall(namespace, groupID, key, val)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// SetGroupKVCall provides args for SetGroupKV to use in commonclient.Transaction.
+func (c Client) SetGroupKVCall(namespace string, groupID int64, key, val string) (method string, args []any) {
+	return setGroupKVMethod, []any{namespace, groupID, key, val}
+}
+
+// DeleteGroupKV removes group kv map.
+// Must be invoked by contract owner.
+func (c Client) DeleteGroupKV(namespace string, groupID int64, key string) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.DeleteGroupKVCall(namespace, groupID, key)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// DeleteGroupKVCall provides args for DeleteGroupKV to use in commonclient.Transaction.
+func (c Client) DeleteGroupKVCall(namespace string, groupID int64, key string) (method string, args []any) {
+	return deleteGroupKVMethod, []any{namespace, groupID, key}
+}
+
+// GetGroupIDByName gets group id its name (namespace scope).
+func (c Client) GetGroupIDByName(namespace, groupName string) (int64, error) {
+	return unwrap.Int64(c.act.Call(c.contract, getGroupIDByNameMethod, namespace, groupName))
+}
+
+// GetGroupByName gets group by its name (namespace scope).
+func (c Client) GetGroupByName(namespace, groupName string) (*Group, error) {
+	items, err := unwrap.Array(c.act.Call(c.contract, getGroupByNameMethod, namespace, groupName))
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseGroup(items)
+}
+
+// ListGroups gets all groups in specific namespace.
+func (c Client) ListGroups(namespace string) ([]*Group, error) {
+	items, err := commonclient.ReadIteratorItems(c.act, iteratorBatchSize, c.contract, listGroupsMethod, namespace)
+	if err != nil {
+		return nil, err
+	}
+
+	return ParseGroups(items)
+}
+
+// AddSubjectToGroup adds a new subject to group.
+// Must be invoked by contract owner.
+func (c Client) AddSubjectToGroup(addr util.Uint160, groupID int64) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.AddSubjectToGroupCall(addr, groupID)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// AddSubjectToGroupCall provides args for AddSubjectToGroup to use in commonclient.Transaction.
+func (c Client) AddSubjectToGroupCall(addr util.Uint160, groupID int64) (method string, args []any) {
+	return addSubjectToGroupMethod, []any{addr, groupID}
+}
+
+// RemoveSubjectFromGroup removes subject from group.
+// Must be invoked by contract owner.
+func (c Client) RemoveSubjectFromGroup(addr util.Uint160, groupID int64) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.RemoveSubjectFromGroupCall(addr, groupID)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// RemoveSubjectFromGroupCall provides args for RemoveSubjectFromGroup to use in commonclient.Transaction.
+func (c Client) RemoveSubjectFromGroupCall(addr util.Uint160, groupID int64) (method string, args []any) {
+	return removeSubjectFromGroupMethod, []any{addr, groupID}
+}
+
+// ListGroupSubjects gets all subjects in specific group.
+func (c Client) ListGroupSubjects(namespace string, groupID int64) ([]util.Uint160, error) {
+	return UnwrapArrayOfUint160(commonclient.ReadIteratorItems(c.act, iteratorBatchSize, c.contract, listGroupSubjectsMethod, namespace, groupID))
+}
+
+// DeleteGroup deletes group.
+// Must be invoked by contract owner.
+func (c Client) DeleteGroup(namespace string, groupID int64) (tx util.Uint256, vub uint32, err error) {
+	method, args := c.DeleteGroupCall(namespace, groupID)
+	return c.act.SendCall(c.contract, method, args...)
+}
+
+// DeleteGroupCall provides args for DeleteGroup to use in commonclient.Transaction.
+func (c Client) DeleteGroupCall(namespace string, groupID int64) (method string, args []any) {
+	return deleteGroupMethod, []any{namespace, groupID}
+}
+
+// ListNonEmptyNamespaces gets namespaces that contain at least one subject.
+func (c Client) ListNonEmptyNamespaces() ([]string, error) {
+	namespaces, err := c.ListNamespaces()
+	if err != nil {
+		return nil, err
+	}
+
+	var res []string
+
+	for _, namespace := range namespaces {
+		nsExt, err := c.GetNamespaceExtended(namespace.Name)
+		if err != nil {
+			return nil, err
+		}
+
+		if nsExt.SubjectsCount > 0 {
+			res = append(res, nsExt.Name)
+		}
+	}
+
+	return res, nil
+}
+
+// Wait waits until the specified transaction is accepted to the chain.
+func (c Client) Wait(tx util.Uint256, vub uint32, err error) (*state.AppExecResult, error) {
+	return c.Waiter().Wait(tx, vub, err)
+}
+
+// Waiter returns underlying waiter.Waiter.
+func (c Client) Waiter() waiter.Waiter {
+	return c.waiter
+}
+
+// ParseGroupID fetch groupID from stack after creating group method invocation.
+func (c Client) ParseGroupID(res *state.AppExecResult, err error) (int64, error) {
+	if err != nil {
+		return 0, err
+	}
+
+	return unwrap.Int64(makeResFromAppExec(res))
+}
+
+// ListNonEmptyGroups gets groups that contain at least one subject.
+func (c Client) ListNonEmptyGroups(namespace string) ([]string, error) {
+	groups, err := c.ListGroups(namespace)
+	if err != nil {
+		return nil, err
+	}
+
+	var res []string
+
+	for _, group := range groups {
+		groupExt, err := c.GetGroupExtended(namespace, group.ID)
+		if err != nil {
+			return nil, err
+		}
+
+		if groupExt.SubjectsCount > 0 {
+			res = append(res, groupExt.Name)
+		}
+	}
+
+	return res, nil
+}

frostfsid/client/utils.go

@@ -0,0 +1,312 @@
+package client
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+)
+
+func UnwrapArrayOfUint160(items []stackitem.Item, err error) ([]util.Uint160, error) {
+	if err != nil {
+		return nil, err
+	}
+
+	return unwrap.ArrayOfUint160(makeValidRes(stackitem.NewArray(items)))
+}
+
+func ParseSubject(structArr []stackitem.Item) (*Subject, error) {
+	if len(structArr) < 5 {
+		return nil, errors.New("invalid response subject struct")
+	}
+
+	var (
+		err  error
+		subj Subject
+	)
+
+	subj.PrimaryKey, err = unwrap.PublicKey(makeValidRes(structArr[0]))
+	if err != nil {
+		return nil, err
+	}
+
+	if !structArr[1].Equals(stackitem.Null{}) {
+		subj.AdditionalKeys, err = unwrap.ArrayOfPublicKeys(makeValidRes(structArr[1]))
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	if !structArr[2].Equals(stackitem.Null{}) {
+		subj.Namespace, err = unwrap.UTF8String(makeValidRes(structArr[2]))
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	if !structArr[2].Equals(stackitem.Null{}) {
+		subj.Name, err = unwrap.UTF8String(makeValidRes(structArr[3]))
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	subj.KV, err = ParseMap(structArr[4])
+	if err != nil {
+		return nil, err
+	}
+
+	return &subj, nil
+}
+
+func ParseSubjectExtended(structArr []stackitem.Item) (*SubjectExtended, error) {
+	if len(structArr) < 6 {
+		return nil, errors.New("invalid response subject extended struct")
+	}
+
+	var (
+		err  error
+		subj SubjectExtended
+	)
+
+	subj.PrimaryKey, err = unwrap.PublicKey(makeValidRes(structArr[0]))
+	if err != nil {
+		return nil, err
+	}
+
+	if !structArr[1].Equals(stackitem.Null{}) {
+		subj.AdditionalKeys, err = unwrap.ArrayOfPublicKeys(makeValidRes(structArr[1]))
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	nsBytes, err := structArr[2].TryBytes()
+	if err != nil {
+		return nil, err
+	}
+	subj.Namespace = string(nsBytes)
+
+	nameBytes, err := structArr[3].TryBytes()
+	if err != nil {
+		return nil, err
+	}
+	subj.Name = string(nameBytes)
+
+	subj.KV, err = ParseMap(structArr[4])
+	if err != nil {
+		return nil, err
+	}
+
+	if !structArr[5].Equals(stackitem.Null{}) {
+		groupItems, ok := structArr[5].Value().([]stackitem.Item)
+		if !ok {
+			return nil, fmt.Errorf("invalid groups field")
+		}
+
+		subj.Groups, err = ParseGroups(groupItems)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return &subj, nil
+}
+
+func ParseMap(item stackitem.Item) (map[string]string, error) {
+	if item.Equals(stackitem.Null{}) {
+		return nil, nil
+	}
+
+	metaMap, err := unwrap.Map(makeValidRes(item))
+	if err != nil {
+		return nil, err
+	}
+
+	meta, ok := metaMap.Value().([]stackitem.MapElement)
+	if !ok {
+		return nil, errors.New("invalid map type")
+	}
+
+	res := make(map[string]string, len(meta))
+	for _, element := range meta {
+		key, err := element.Key.TryBytes()
+		if err != nil {
+			return nil, err
+		}
+		val, err := element.Value.TryBytes()
+		if err != nil {
+			return nil, err
+		}
+		res[string(key)] = string(val)
+	}
+
+	return res, nil
+}
+
+func ParseNamespace(structArr []stackitem.Item) (*Namespace, error) {
+	if len(structArr) < 1 {
+		return nil, errors.New("invalid response namespace struct")
+	}
+
+	name, err := structArr[0].TryBytes()
+	if err != nil {
+		return nil, err
+	}
+
+	return &Namespace{Name: string(name)}, nil
+}
+
+func ParseNamespaceExtended(structArr []stackitem.Item) (*NamespaceExtended, error) {
+	if len(structArr) < 3 {
+		return nil, errors.New("invalid response namespace extended struct")
+	}
+
+	name, err := structArr[0].TryBytes()
+	if err != nil {
+		return nil, err
+	}
+
+	groupCount, err := structArr[1].TryInteger()
+	if err != nil {
+		return nil, err
+	}
+
+	subjectCount, err := structArr[2].TryInteger()
+	if err != nil {
+		return nil, err
+	}
+
+	return &NamespaceExtended{
+		Name:          string(name),
+		GroupsCount:   groupCount.Int64(),
+		SubjectsCount: subjectCount.Int64(),
+	}, nil
+}
+
+func ParseNamespaces(items []stackitem.Item) ([]*Namespace, error) {
+	var err error
+	res := make([]*Namespace, len(items))
+
+	for i := 0; i < len(items); i++ {
+		arr, ok := items[i].Value().([]stackitem.Item)
+		if !ok {
+			return nil, fmt.Errorf("invalid namespace type")
+		}
+		res[i], err = ParseNamespace(arr)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return res, nil
+}
+
+func ParseGroup(structArr []stackitem.Item) (*Group, error) {
+	if len(structArr) < 4 {
+		return nil, errors.New("invalid response group struct")
+	}
+
+	groupID, err := structArr[0].TryInteger()
+	if err != nil {
+		return nil, err
+	}
+
+	name, err := structArr[1].TryBytes()
+	if err != nil {
+		return nil, err
+	}
+
+	namespace, err := structArr[2].TryBytes()
+	if err != nil {
+		return nil, err
+	}
+
+	kvs, err := ParseMap(structArr[3])
+	if err != nil {
+		return nil, err
+	}
+
+	return &Group{
+		ID:        groupID.Int64(),
+		Name:      string(name),
+		Namespace: string(namespace),
+		KV:        kvs,
+	}, nil
+}
+
+func ParseGroupExtended(structArr []stackitem.Item) (*GroupExtended, error) {
+	if len(structArr) < 5 {
+		return nil, errors.New("invalid response group extended struct")
+	}
+
+	groupID, err := structArr[0].TryInteger()
+	if err != nil {
+		return nil, err
+	}
+
+	name, err := structArr[1].TryBytes()
+	if err != nil {
+		return nil, err
+	}
+
+	namespace, err := structArr[2].TryBytes()
+	if err != nil {
+		return nil, err
+	}
+
+	kvs, err := ParseMap(structArr[3])
+	if err != nil {
+		return nil, err
+	}
+
+	subjectCount, err := structArr[4].TryInteger()
+	if err != nil {
+		return nil, err
+	}
+
+	return &GroupExtended{
+		ID:            groupID.Int64(),
+		Name:          string(name),
+		Namespace:     string(namespace),
+		KV:            kvs,
+		SubjectsCount: subjectCount.Int64(),
+	}, nil
+}
+
+func ParseGroups(items []stackitem.Item) ([]*Group, error) {
+	var err error
+	res := make([]*Group, len(items))
+
+	for i := 0; i < len(items); i++ {
+		arr, ok := items[i].Value().([]stackitem.Item)
+		if !ok {
+			return nil, fmt.Errorf("invalid group type")
+		}
+		res[i], err = ParseGroup(arr)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return res, nil
+}
+
+func makeValidRes(item stackitem.Item) (*result.Invoke, error) {
+	return &result.Invoke{
+		Stack: []stackitem.Item{item},
+		State: vmstate.Halt.String(),
+	}, nil
+}
+
+func makeResFromAppExec(res *state.AppExecResult) (*result.Invoke, error) {
+	return &result.Invoke{
+		Stack: res.Stack,
+		State: res.VMState.String(),
+	}, nil
+}

frostfsid/config.yml

@@ -1,4 +1,134 @@
 name: "Identity"
-safemethods: ["key", "version"]
+safemethods:
+  - "getAdmin"
+  - "getGroup"
+  - "getGroupExtended"
+  - "getGroupIDByName"
+  - "getGroupByName"
+  - "getNamespace"
+  - "getNamespaceExtended"
+  - "getSubjectKV"
+  - "getSubject"
+  - "getSubjectExtended"
+  - "getSubjectByKey"
+  - "getSubjectByName"
+  - "getSubjectKeyByName"
+  - "listGroups"
+  - "listGroupSubjects"
+  - "listNamespaces"
+  - "listNamespaceSubjects"
+  - "listSubjects"
+  - "version"
 permissions:
   - methods: ["update"]
+events:
+  - name: CreateSubject
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+  - name: AddSubjectKey
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+      - name: subjectKey
+        type: PublicKey
+  - name: RemoveSubjectKey
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+      - name: subjectKey
+        type: PublicKey
+  - name: SetSubjectName
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+      - name: name
+        type: String
+  - name: SetSubjectKV
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+      - name: key
+        type: String
+      - name: value
+        type: String
+  - name: DeleteSubjectKV
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+      - name: key
+        type: String
+  - name: DeleteSubject
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+  - name: CreateNamespace
+    parameters:
+      - name: namespace
+        type: String
+  - name: AddSubjectToNamespace
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+      - name: namespace
+        type: String
+  - name: RemoveSubjectFromNamespace
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+      - name: namespace
+        type: String
+  - name: CreateGroup
+    parameters:
+      - name: namespace
+        type: String
+      - name: group
+        type: String
+  - name: SetGroupName
+    parameters:
+      - name: namespace
+        type: String
+      - name: groupID
+        type: Integer
+      - name: name
+        type: String
+  - name: SetGroupKV
+    parameters:
+      - name: namespace
+        type: String
+      - name: groupID
+        type: Integer
+      - name: key
+        type: String
+      - name: value
+        type: String
+  - name: DeleteGroupKV
+    parameters:
+      - name: namespace
+        type: String
+      - name: groupID
+        type: Integer
+      - name: key
+        type: String
+  - name: AddSubjectToGroup
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+      - name: namespace
+        type: String
+      - name: groupID
+        type: Integer
+  - name: RemoveSubjectFromGroup
+    parameters:
+      - name: subjectAddress
+        type: Hash160
+      - name: namespace
+        type: String
+      - name: groupID
+        type: Integer
+  - name: DeleteGroup
+    parameters:
+      - name: namespace
+        type: String
+      - name: groupID
+        type: Integer

frostfsid/doc.go

@@ -1,29 +1,27 @@
+// Package frostfsid
 /*
 FrostFSID contract is a contract deployed in FrostFS sidechain.
 
-FrostFSID contract is used to store connection between an OwnerID and its public keys.
-OwnerID is a 25-byte N3 wallet address that can be produced from a public key.
-It is one-way conversion. In simple cases, FrostFS verifies ownership by checking
-signature and relation between a public key and an OwnerID.
-
-In more complex cases, a user can use public keys unrelated to the OwnerID to maintain
-secure access to the data. FrostFSID contract stores relation between an OwnerID and
-arbitrary public keys. Data owner can bind a public key with its account or unbind it
-by invoking Bind or Unbind methods of FrostFS contract in the mainchain. After that,
-Alphabet nodes produce multisigned AddKey and RemoveKey invocations of FrostFSID
-contract.
-
 # Contract notifications
 
 FrostFSID contract does not produce notifications to process.
 
 # Contract storage scheme
 
- |   Key                       | Value      |           Description            |
+ |   Key                                                                        | Value                          |           Description                         |
- |-----------------------------|------------|----------------------------------|
+ |------------------------------------------------------------------------------|--------------------------------|-----------------------------------------------|
- | `processingScriptHash`      | Hash160    | netmap contract hash             |
+ | `o` + [ owner address ]                                                      | []byte{1}                      | contract owners that can invoke write methods |
- | `containerScriptHash`       | Hash160    | container contract hash          |
+ | `s` + [ subject address ]                                                    | Serialized Subject structure   | subject into                                  |
- | `o` + ownerID + publicKey   | ByteArray  | it flags owner's public key      |
+ | `a` + [ pk address ] + [ subject address ]                                   | []byte{1}                      | link extra public keys for subject            |
+ | `n` + [ RIPEMD160 of namespace ]                                             | Serialized Namespace structure | namespace info                                |
+ | `N` + [ RIPEMD160 of namespace ] + [ subject address ]                       | []byte{1}                      | subject that belongs to the namespace         |
+ | `l` + [ RIPEMD160 of namespace ] + [ RIPEMD160 of subject name ]             | Subject public key             | subject name to public key index              |
+ | `g` + [ RIPEMD160 of namespace ] + [ 8 byte group id ]                       | Serialized Group structure     | group into                                    |
+ | `G` + [ RIPEMD160 of namespace ] + [ 8 byte group id ] + [ subject address ] | []byte{1}                      | subject that belongs to the group             |
+ | `c`                                                                          | Int                            | group id counter                              |
+ | `m` + [ RIPEMD160 of namespace ] + [ RIPEMD160 of subject name ]             | Serialized group id int        | group name to group id index                  |
+ | `A` + [ subject address ]                                                    | bool                           | means that the wallet has been used           |
+
 
 */
 package frostfsid

go.mod

@@ -1,10 +1,56 @@
 module git.frostfs.info/TrueCloudLab/frostfs-contract
 
-go 1.14
+go 1.22
 
 require (
+	github.com/google/uuid v1.6.0
 	github.com/mr-tron/base58 v1.2.0
-	github.com/nspcc-dev/neo-go v0.99.4
+	github.com/nspcc-dev/neo-go v0.106.3
-	github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20220927123257-24c107e3a262
+	github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20240727093519-1a48f1ce43ec
-	github.com/stretchr/testify v1.7.0
+	github.com/stretchr/testify v1.9.0
+	go.uber.org/zap v1.27.0
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bits-and-blooms/bitset v1.8.0 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
+	github.com/consensys/gnark-crypto v0.12.2-0.20231013160410-1f65e75b6dfb // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
+	github.com/golang/snappy v0.0.1 // indirect
+	github.com/gorilla/websocket v1.5.1 // indirect
+	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
+	github.com/holiman/uint256 v1.2.4 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
+	github.com/nspcc-dev/dbft v0.2.0 // indirect
+	github.com/nspcc-dev/go-ordered-json v0.0.0-20240301084351-0246b013f8b2 // indirect
+	github.com/nspcc-dev/rfc6979 v0.2.1 // indirect
+	github.com/pierrec/lz4 v2.6.1+incompatible // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_golang v1.19.0 // indirect
+	github.com/prometheus/client_model v0.5.0 // indirect
+	github.com/prometheus/common v0.48.0 // indirect
+	github.com/prometheus/procfs v0.12.0 // indirect
+	github.com/rogpeppe/go-internal v1.11.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/syndtr/goleveldb v1.0.1-0.20210305035536-64b5b1c73954 // indirect
+	github.com/twmb/murmur3 v1.1.8 // indirect
+	github.com/urfave/cli/v2 v2.27.2 // indirect
+	github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 // indirect
+	go.etcd.io/bbolt v1.3.9 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	golang.org/x/crypto v0.21.0 // indirect
+	golang.org/x/mod v0.16.0 // indirect
+	golang.org/x/net v0.23.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/term v0.18.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/tools v0.19.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
 )

go.sum

@@ -1,730 +1,194 @@
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netmap/config.yml

@@ -1,5 +1,13 @@
 name: "Netmap"
-safemethods: ["epoch", "netmap", "netmapCandidates", "snapshot", "snapshotByEpoch", "config", "listConfig", "version"]
+safemethods:
+  - "config"
+  - "epoch"
+  - "listConfig"
+  - "netmap"
+  - "netmapCandidates"
+  - "snapshot"
+  - "snapshotByEpoch"
+  - "version"
 permissions:
   - methods: ["update", "newEpoch"]
 events:

netmap/doc.go

@@ -32,15 +32,14 @@ in the network by invoking NewEpoch method.
 
 # Contract storage scheme
 
- |   Key                       | Value      |           Description             |
+	|   Key                       | Value      |           Description             |
- |-----------------------------|------------|-----------------------------------|
+	|-----------------------------|------------|-----------------------------------|
- | `snapshotCount`             | int        | snapshot count                    |
+	| `snapshotCount`             | int        | snapshot count                    |
- | `snapshotEpoch`             | int        | snapshot epoch                    |
+	| `snapshotEpoch`             | int        | snapshot epoch                    |
- | `snapshotBlock`             | int        | snapshot block                    |
+	| `snapshotBlock`             | int        | snapshot block                    |
- | `snapshot_` + snapshotNum   | ByteArray  | serialized '[]Node' array         |
+	| `snapshot_` + snapshotNum   | ByteArray  | serialized '[]Node' array         |
- | `snapshotCurrent`           | int        | current snapshot                  |
+	| `snapshotCurrent`           | int        | current snapshot                  |
- | `balanceScriptHash`         | Hash160    | balance contract hash             |
+	| `balanceScriptHash`         | Hash160    | balance contract hash             |
- | `containerScriptHash`       | Hash160    | container contract hash           |
+	| `containerScriptHash`       | Hash160    | container contract hash           |
-
 */
 package netmap

netmap/netmap_contract.go

@@ -43,8 +43,7 @@ type Node struct {
 }
 
 const (
-	notaryDisabledKey = "notary"
+	innerRingKey = "innerring"
-	innerRingKey      = "innerring"
 
 	// DefaultSnapshotCount contains the number of previous snapshots stored by this contract.
 	// Must be less than 255.
@@ -67,19 +66,15 @@ var (
 )
 
 // _deploy function sets up initial list of inner ring public keys.
-func _deploy(data interface{}, isUpdate bool) {
+func _deploy(data any, isUpdate bool) {
 	ctx := storage.GetContext()
 
-	common.RmAndCheckNotaryDisabledKey(data, notaryDisabledKey)
+	args := data.(struct {
-
+		addrBalance   interop.Hash160
-	var args = data.(struct {
+		addrContainer interop.Hash160
-		//TODO(@acid-ant): #9 remove notaryDisabled in future version
+		keys          []interop.PublicKey
-		notaryDisabled bool
+		config        [][]byte
-		addrBalance    interop.Hash160
+		version       int
-		addrContainer  interop.Hash160
-		keys           []interop.PublicKey
-		config         [][]byte
-		version        int
 	})
 
 	ln := len(args.config)
@@ -122,7 +117,7 @@ func _deploy(data interface{}, isUpdate bool) {
 
 // Update method updates contract source code and manifest. It can be invoked
 // only by committee.
-func Update(script []byte, manifest []byte, data interface{}) {
+func Update(script []byte, manifest []byte, data any) {
 	if !common.HasUpdateAccess() {
 		panic("only committee can update contract")
 	}
@@ -431,7 +426,7 @@ func SnapshotByEpoch(epoch int) []Node {
 
 // Config returns configuration value of FrostFS configuration. If key does
 // not exists, returns nil.
-func Config(key []byte) interface{} {
+func Config(key []byte) any {
 	ctx := storage.GetReadOnlyContext()
 	return getConfig(ctx, key)
 }
@@ -543,14 +538,14 @@ func getSnapshot(ctx storage.Context, key string) []Node {
 	return []Node{}
 }
 
-func getConfig(ctx storage.Context, key interface{}) interface{} {
+func getConfig(ctx storage.Context, key any) interface{} {
 	postfix := key.([]byte)
 	storageKey := append(configPrefix, postfix...)
 
 	return storage.Get(ctx, storageKey)
 }
 
-func setConfig(ctx storage.Context, key, val interface{}) {
+func setConfig(ctx storage.Context, key, val any) {
 	postfix := key.([]byte)
 	storageKey := append(configPrefix, postfix...)
 

nns/README.md

@@ -0,0 +1,75 @@
+# NNS 
+NNS - Neo Name Service is a service that allows manage a domain name as a digital asset (NFT). It has an interface similar to `DNS` but has significant differences in its internal structure.
+
+## Entities:
+
+- Domain
+- Record
+- Owner
+- Committee
+
+### Domain
+
+Domain is string that satisfies the following requirements:
+- Length from 2 to 255 characters.
+- Root domain must start with a letter.
+- All other fragments must start and end with a letter or digit.
+
+Domain has owner, a registration period, and may optionally have records.
+
+A fee established by the committee is charged upon domain registration. After registration, the owner can manage this asset (add/delete records, transfer ownership to another owner) until the end of the domain registration period.
+
+### Record
+
+A record is a pair of values `<type, string>`.
+
+Supported record types:
+
+| Type  | Description                               |
+|-------|-------------------------------------------|
+| A     | Represents address record type            |
+| AAA   | Represents IPv6 address record type       |
+| TXT   | Represents text record type               |
+| CNAME | Represents canonical name record type     |
+| SOA   | Represents start of authority record type |
+
+### Owner
+
+An owner is a wallet that has the right to manage this NFT (domain).
+
+### Committee
+
+The committee makes new tokens (domains), sets, and charges a fee for issuance.
+
+## Globally Unique Domain Zone
+
+For more information, see [here](../docs/globally-unique-domain-zone.md).
+
+## NNS and Frostfsid
+
+You can register a TLD domain without a committee signature using Frostfsid. To do this, create a new wallet
+```
+neo-go wallet init -w newwallet/wallet.json
+```
+
+Get wallet address:
+```
+neo-go wallet dump-keys -w newwallet/wallet.json
+[subject-address]
+[subject-key]
+```
+
+Create a subject in `FrostfsID`:
+```
+frostfs-adm morph frostfsid create-subject --subject-key="[subject-key]"
+```
+
+Grant permissions to the wallet:
+```
+frostfs-adm morph nns give-privilege --subject-address="[subject-address]"
+```
+
+Register domain:
+```
+neo-go contract invokefunction [NNS-hash] register   "subdomain.domain"  hash160:[subject-address]   "email@frostfs.info"   10000   1000   1000   1000 -- [subject-address]:Global
+```

nns/config.yml

@@ -2,8 +2,35 @@ name: "NameService"
 supportedstandards: ["NEP-11"]
 safemethods: ["balanceOf", "decimals", "symbol", "totalSupply", "tokensOf", "ownerOf",
               "tokens", "properties", "roots", "getPrice", "isAvailable", "getRecords",
+              "getAllRecords",
               "resolve", "version"]
 events:
+  - name: RegisterDomain
+    parameters:
+      - name: name
+        type: String
+  - name: AddRecord
+    parameters:
+      - name: name
+        type: String
+      - name: type
+        type: Integer
+  - name: DeleteRecord
+    parameters:
+      - name: name
+        type: String
+      - name: type
+        type: Integer
+  - name: DeleteRecords
+    parameters:
+      - name: name
+        type: String
+      - name: type
+        type: Integer
+  - name: DeleteDomain
+    parameters:
+      - name: name
+        type: String
   - name: Transfer
     parameters:
       - name: from

nns/doc.go

@@ -11,6 +11,7 @@
  | 0x20                                 | int        | set of roots                      |
  | 0x21 + tokenKey                      | ByteArray  | serialized NameState struct       |
  | 0x22 + tokenKey + Hash160(tokenName) | Hash160    | container contract hash           |
+ | 0x23 + tokenKey + Hash160(tokenName) | string     | global domain flag                |
 
 */
 

nns/frostfsid.go

@@ -0,0 +1,39 @@
+package nns
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/interop"
+	"github.com/nspcc-dev/neo-go/pkg/interop/contract"
+	"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
+	"github.com/nspcc-dev/neo-go/pkg/interop/native/std"
+	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
+)
+
+const FrostfsIDNNSName = "frostfsid.frostfs"
+
+const (
+	FrostfsIDNNSTLDPermissionKey    = "nns-allow-register-tld"
+	FrostfsIDTLDRegistrationAllowed = "allow"
+)
+
+func checkFrostfsID(ctx storage.Context, addr interop.Hash160) bool {
+	if len(addr) == 0 {
+		return false
+	}
+
+	frostfsIDAddress := getRecordsByType(ctx, []byte(tokenIDFromName(FrostfsIDNNSName)), FrostfsIDNNSName, TXT)
+	if len(frostfsIDAddress) < 2 {
+		return false
+	}
+
+	decodedBytes := std.Base58Decode([]byte(frostfsIDAddress[1]))
+
+	if len(decodedBytes) < 21 || management.GetContract(decodedBytes[1:21]) == nil {
+		return false
+	}
+
+	if res := contract.Call(decodedBytes[1:21], "getSubjectKV", contract.ReadOnly, addr, FrostfsIDNNSTLDPermissionKey).(string); res == FrostfsIDTLDRegistrationAllowed {
+		return true
+	}
+
+	return false
+}

nns/nns.yml

@@ -1,20 +0,0 @@
-name: "NameService"
-supportedstandards: ["NEP-11"]
-safemethods: ["balanceOf", "decimals", "symbol", "totalSupply", "tokensOf", "ownerOf",
-              "tokens", "properties", "roots", "getPrice", "isAvailable", "getRecord",
-              "resolve", "getAllRecords"]
-events:
-  - name: Transfer
-    parameters:
-      - name: from
-        type: Hash160
-      - name: to
-        type: Hash160
-      - name: amount
-        type: Integer
-      - name: tokenId
-        type: ByteArray
-permissions:
-  - hash: fffdc93764dbaddd97c48f252a53ea4643faa3fd
-    methods: ["update"]
-  - methods: ["onNEP11Payment"]

nns/nns_contract.go

@@ -41,6 +41,14 @@ const (
 	// prefixRecord contains map from (token key + hash160(token name) + record type)
 	// to record.
 	prefixRecord byte = 0x22
+	// prefixGlobalDomain contains a flag indicating that this domain was created using GlobalDomain.
+	// This is necessary to distinguish it from regular CNAME records.
+	prefixGlobalDomain byte = 0x23
+	// prefixCountSubDomains contains information about the number of domains in the zone.
+	// If it is nil, it will definitely be calculated on the first removal.
+	prefixCountSubDomains byte = 0x24
+	// prefixAutoCreated contains a flag indicating whether the TLD domain was created automatically.
+	prefixAutoCreated = 0x25
 )
 
 // Values constraints.
@@ -52,7 +60,7 @@ const (
 	// maxDomainNameFragmentLength is the maximum length of the domain name fragment.
 	maxDomainNameFragmentLength = 63
 	// minDomainNameLength is minimum domain length.
-	minDomainNameLength = 3
+	minDomainNameLength = 2
 	// maxDomainNameLength is maximum domain length.
 	maxDomainNameLength = 255
 	// maxTXTRecordLength is the maximum length of the TXT domain record.
@@ -65,6 +73,14 @@ const (
 	defaultRegisterPrice = 10_0000_0000
 	// millisecondsInYear is amount of milliseconds per year.
 	millisecondsInYear = int64(365 * 24 * 3600 * 1000)
+	// errInvalidDomainName is an error message for invalid domain name format.
+	errInvalidDomainName = "invalid domain name format"
+)
+
+const (
+	// Cnametgt is a special TXT record ensuring all created subdomains point to the global domain - the value of this variable.
+	// It is guaranteed that two domains cannot point to the same global domain.
+	Cnametgt = "cnametgt"
 )
 
 // RecordState is a type that registered entities are saved to.
@@ -76,7 +92,7 @@ type RecordState struct {
 }
 
 // Update updates NameService contract.
-func Update(nef []byte, manifest string, data interface{}) {
+func Update(nef []byte, manifest string, data any) {
 	checkCommittee()
 	// Calculating keys and serializing requires calling
 	// std and crypto contracts. This can be helpful on update
@@ -87,9 +103,9 @@ func Update(nef []byte, manifest string, data interface{}) {
 }
 
 // _deploy initializes defaults (total supply and registration price) on contract deploy.
-func _deploy(data interface{}, isUpdate bool) {
+func _deploy(data any, isUpdate bool) {
 	if isUpdate {
-		args := data.([]interface{})
+		args := data.([]any)
 		common.CheckVersion(args[len(args)-1].(int))
 		return
 	}
@@ -128,10 +144,10 @@ func OwnerOf(tokenID []byte) interop.Hash160 {
 }
 
 // Properties returns a domain name and an expiration date of the specified domain.
-func Properties(tokenID []byte) map[string]interface{} {
+func Properties(tokenID []byte) map[string]any {
 	ctx := storage.GetReadOnlyContext()
 	ns := getNameState(ctx, tokenID)
-	return map[string]interface{}{
+	return map[string]any{
 		"name":       ns.Name,
 		"expiration": ns.Expiration,
 	}
@@ -166,7 +182,7 @@ func TokensOf(owner interop.Hash160) iterator.Iterator {
 }
 
 // Transfer transfers the domain with the specified name to a new owner.
-func Transfer(to interop.Hash160, tokenID []byte, data interface{}) bool {
+func Transfer(to interop.Hash160, tokenID []byte, data any) bool {
 	if !isValid(to) {
 		panic(`invalid receiver`)
 	}
@@ -219,69 +235,134 @@ func GetPrice() int {
 
 // IsAvailable checks whether the provided domain name is available.
 func IsAvailable(name string) bool {
-	fragments := splitAndCheck(name, false)
+	fragments := splitAndCheck(name)
-	if fragments == nil {
-		panic("invalid domain name format")
-	}
 	ctx := storage.GetReadOnlyContext()
 	l := len(fragments)
 	if storage.Get(ctx, append([]byte{prefixRoot}, []byte(fragments[l-1])...)) == nil {
-		if l != 1 {
-			panic("TLD not found")
-		}
 		return true
 	}
-	return parentExpired(ctx, 0, fragments)
+
+	checkParent(ctx, fragments)
+	checkAvailableGlobalDomain(ctx, name)
+	return storage.Get(ctx, append([]byte{prefixName}, getTokenKey([]byte(name))...)) == nil
 }
 
-// parentExpired returns true if any domain from fragments doesn't exist or is expired.
+// checkAvailableGlobalDomain - triggers a panic if the global domain name is occupied.
-// first denotes the deepest subdomain to check.
+func checkAvailableGlobalDomain(ctx storage.Context, domain string) {
-func parentExpired(ctx storage.Context, first int, fragments []string) bool {
+	globalDomain := getGlobalDomain(ctx, domain)
+	if globalDomain == "" {
+		return
+	}
+
+	nsBytes := storage.Get(ctx, append([]byte{prefixName}, getTokenKey([]byte(globalDomain))...))
+	if nsBytes != nil {
+		panic("global domain is already taken: " + globalDomain + ". Domain: " + domain)
+	}
+}
+
+// getGlobalDomain returns the global domain.
+func getGlobalDomain(ctx storage.Context, domain string) string {
+	index := std.MemorySearch([]byte(domain), []byte("."))
+
+	if index == -1 {
+		return ""
+	}
+
+	name := domain[index+1:]
+	if name == "" {
+		return ""
+	}
+
+	return extractCnametgt(ctx, name, domain)
+}
+
+// extractCnametgt returns the value of the Cnametgt TXT record.
+func extractCnametgt(ctx storage.Context, name, domain string) string {
+	fragments := splitAndCheck(domain)
+
+	tokenID := []byte(tokenIDFromName(name))
+	records := getRecordsByType(ctx, tokenID, name, TXT)
+
+	if records == nil {
+		return ""
+	}
+
+	globalDomain := ""
+	for _, name := range records {
+		fragments := std.StringSplit(name, "=")
+		if len(fragments) != 2 {
+			continue
+		}
+
+		if fragments[0] == Cnametgt {
+			globalDomain = fragments[1]
+			break
+		}
+	}
+
+	if globalDomain == "" {
+		return ""
+	}
+	return fragments[0] + "." + globalDomain
+}
+
+// checkParent returns parent domain or empty string if domain not found.
+func checkParent(ctx storage.Context, fragments []string) string {
 	now := int64(runtime.GetTime())
 	last := len(fragments) - 1
 	name := fragments[last]
-	for i := last; i >= first; i-- {
+	parent := ""
+	for i := last; i > 0; i-- {
 		if i != last {
 			name = fragments[i] + "." + name
 		}
 		nsBytes := storage.Get(ctx, append([]byte{prefixName}, getTokenKey([]byte(name))...))
 		if nsBytes == nil {
-			return true
+			continue
 		}
 		ns := std.Deserialize(nsBytes.([]byte)).(NameState)
 		if now >= ns.Expiration {
-			return true
+			panic("domain expired: " + name)
 		}
+		parent = name
 	}
-	return false
+	return parent
 }
 
 // Register registers a new domain with the specified owner and name if it's available.
 func Register(name string, owner interop.Hash160, email string, refresh, retry, expire, ttl int) bool {
-	fragments := splitAndCheck(name, true)
-	if fragments == nil {
-		panic("invalid domain name format")
-	}
-
-	l := len(fragments)
-	tldKey := append([]byte{prefixRoot}, []byte(fragments[l-1])...)
 	ctx := storage.GetContext()
+	return register(ctx, name, owner, email, refresh, retry, expire, ttl)
+}
+
+// Register registers a new domain with the specified owner and name if it's available.
+func register(ctx storage.Context, name string, owner interop.Hash160, email string, refresh, retry, expire, ttl int) bool {
+	fragments := splitAndCheck(name)
+	countZone := len(fragments)
+	rootZone := []byte(fragments[countZone-1])
+	tldKey := append([]byte{prefixRoot}, rootZone...)
+
 	tldBytes := storage.Get(ctx, tldKey)
-	if l == 1 {
+	if countZone == 1 {
-		checkCommittee()
+		checkCommitteeAndFrostfsID(ctx, owner)
 		if tldBytes != nil {
 			panic("TLD already exists")
 		}
 		storage.Put(ctx, tldKey, 0)
 	} else {
-		if tldBytes == nil {
+		parent := checkParent(ctx, fragments)
-			panic("TLD not found")
+		if parent == "" {
+			parent = fragments[len(fragments)-1]
+
+			storage.Put(ctx, append([]byte{prefixAutoCreated}, rootZone...), true)
+			register(ctx, parent, owner, email, refresh, retry, expire, ttl)
 		}
-		if parentExpired(ctx, 1, fragments) {
+
-			panic("one of the parent domains is not registered")
+		parentKey := getTokenKey([]byte(parent))
-		}
-		parentKey := getTokenKey([]byte(name[len(fragments[0])+1:]))
 		nsBytes := storage.Get(ctx, append([]byte{prefixName}, parentKey...))
+		if nsBytes == nil {
+			panic("parent does not exist:" + parent)
+		}
 		ns := std.Deserialize(nsBytes.([]byte)).(NameState)
 		ns.checkAdmin()
 
@@ -323,18 +404,20 @@ func Register(name string, owner interop.Hash160, email string, refresh, retry,
 		// NNS expiration is in milliseconds
 		Expiration: int64(runtime.GetTime() + expire*1000),
 	}
+	checkAvailableGlobalDomain(ctx, name)
+
+	updateSubdDomainCounter(ctx, rootZone, countZone)
 	putNameStateWithKey(ctx, tokenKey, ns)
 	putSoaRecord(ctx, name, email, refresh, retry, expire, ttl)
 	updateBalance(ctx, []byte(name), owner, +1)
 	postTransfer(oldOwner, owner, []byte(name), nil)
+	runtime.Notify("RegisterDomain", name)
 	return true
 }
 
 // Renew increases domain expiration date.
 func Renew(name string) int64 {
-	if len(name) > maxDomainNameLength {
+	checkDomainNameLength(name)
-		panic("invalid domain name format")
-	}
 	runtime.BurnGas(GetPrice())
 	ctx := storage.GetContext()
 	ns := getNameState(ctx, []byte(name))
@@ -346,9 +429,7 @@ func Renew(name string) int64 {
 
 // UpdateSOA updates soa record.
 func UpdateSOA(name, email string, refresh, retry, expire, ttl int) {
-	if len(name) > maxDomainNameLength {
+	checkDomainNameLength(name)
-		panic("invalid domain name format")
-	}
 	ctx := storage.GetContext()
 	ns := getNameState(ctx, []byte(name))
 	ns.checkAdmin()
@@ -357,9 +438,7 @@ func UpdateSOA(name, email string, refresh, retry, expire, ttl int) {
 
 // SetAdmin updates domain admin.
 func SetAdmin(name string, admin interop.Hash160) {
-	if len(name) > maxDomainNameLength {
+	checkDomainNameLength(name)
-		panic("invalid domain name format")
-	}
 	if admin != nil && !runtime.CheckWitness(admin) {
 		panic("not witnessed by admin")
 	}
@@ -388,7 +467,7 @@ func checkBaseRecords(typ RecordType, data string) bool {
 	case A:
 		return checkIPv4(data)
 	case CNAME:
-		return splitAndCheck(data, true) != nil
+		return splitAndCheck(data) != nil
 	case TXT:
 		return len(data) <= maxTXTRecordLength
 	case AAAA:
@@ -422,13 +501,26 @@ func GetRecords(name string, typ RecordType) []string {
 
 // DeleteRecords removes domain records with the specified type.
 func DeleteRecords(name string, typ RecordType) {
+	ctx := storage.GetContext()
+	deleteRecords(ctx, name, typ)
+}
+
+// DeleteRecords removes domain records with the specified type.
+func deleteRecords(ctx storage.Context, name string, typ RecordType) {
 	if typ == SOA {
 		panic("you cannot delete soa record")
 	}
 	tokenID := []byte(tokenIDFromName(name))
-	ctx := storage.GetContext()
 	ns := getNameState(ctx, tokenID)
 	ns.checkAdmin()
+
+	globalDomainStorage := append([]byte{prefixGlobalDomain}, getTokenKey([]byte(name))...)
+	globalDomainRaw := storage.Get(ctx, globalDomainStorage)
+	globalDomain := globalDomainRaw.(string)
+	if globalDomainRaw != nil && globalDomain != "" {
+		deleteDomain(ctx, globalDomain)
+	}
+
 	recordsKey := getRecordsKeyByType(tokenID, name, typ)
 	records := storage.Find(ctx, recordsKey, storage.KeysOnly)
 	for iterator.Next(records) {
@@ -436,6 +528,126 @@ func DeleteRecords(name string, typ RecordType) {
 		storage.Delete(ctx, r)
 	}
 	updateSoaSerial(ctx, tokenID)
+	runtime.Notify("DeleteRecords", name, typ)
+}
+
+// DeleteRecord delete a record of the specified type by data in the provided domain.
+// Returns false if the record was not found.
+func DeleteRecord(name string, typ RecordType, data string) bool {
+	tokenID := []byte(tokenIDFromName(name))
+	if !checkBaseRecords(typ, data) {
+		panic("invalid record data")
+	}
+	ctx := storage.GetContext()
+	ns := getNameState(ctx, tokenID)
+	ns.checkAdmin()
+	return deleteRecord(ctx, tokenID, name, typ, data)
+}
+
+func deleteRecord(ctx storage.Context, tokenId []byte, name string, typ RecordType, data string) bool {
+	recordsKey := getRecordsKeyByType(tokenId, name, typ)
+
+	var previousKey any
+	it := storage.Find(ctx, recordsKey, storage.KeysOnly)
+	for iterator.Next(it) {
+		key := iterator.Value(it).([]byte)
+		ss := storage.Get(ctx, key).([]byte)
+
+		ns := std.Deserialize(ss).(RecordState)
+		if ns.Name == name && ns.Type == typ && ns.Data == data {
+			previousKey = key
+			continue
+		}
+
+		if previousKey != nil {
+			data := storage.Get(ctx, key)
+			storage.Put(ctx, previousKey, data)
+			previousKey = key
+		}
+	}
+
+	if previousKey == nil {
+		return false
+	}
+
+	storage.Delete(ctx, previousKey)
+	runtime.Notify("DeleteRecord", name, typ)
+	return true
+}
+
+// DeleteDomain deletes the domain with the given name.
+func DeleteDomain(name string) {
+	ctx := storage.GetContext()
+	deleteDomain(ctx, name)
+}
+
+func countSubdomains(name string) int {
+	countSubDomains := 0
+	it := Tokens()
+	for iterator.Next(it) {
+		domain := iterator.Value(it)
+		if std.MemorySearch([]byte(domain.(string)), []byte(name)) > 0 {
+			countSubDomains = countSubDomains + 1
+		}
+	}
+	return countSubDomains
+}
+
+func deleteDomain(ctx storage.Context, name string) {
+	fragments := splitAndCheck(name)
+	parent := []byte(fragments[len(fragments)-1])
+	countSubDomainsKey := append([]byte{prefixCountSubDomains}, parent...)
+	autoCreatedPrefix := append([]byte{prefixAutoCreated}, parent...)
+
+	nsKey := append([]byte{prefixName}, getTokenKey([]byte(name))...)
+	nsRaw := storage.Get(ctx, nsKey)
+	if nsRaw == nil {
+		panic("domain not found")
+	}
+
+	ns := std.Deserialize(nsRaw.([]byte)).(NameState)
+	ns.checkAdmin()
+
+	countSubDomain := 0
+	countSubDomainRaw := storage.Get(ctx, countSubDomainsKey)
+	if countSubDomainRaw != nil {
+		countSubDomain = common.FromFixedWidth64(countSubDomainRaw.([]byte))
+	} else {
+		countSubDomain = countSubdomains(fragments[len(fragments)-1])
+	}
+
+	if countSubDomain > 1 && len(fragments) == 1 {
+		panic("can't delete TLD domain that has subdomains")
+	}
+
+	countSubDomain = countSubDomain - 1
+	storage.Put(ctx, countSubDomainsKey, common.ToFixedWidth64(countSubDomain))
+
+	globalNSKey := append([]byte{prefixGlobalDomain}, getTokenKey([]byte(name))...)
+	globalDomainRaw := storage.Get(ctx, globalNSKey)
+	globalDomain := globalDomainRaw.(string)
+	if globalDomainRaw != nil && globalDomain != "" {
+		deleteDomain(ctx, globalDomain)
+	}
+
+	deleteRecords(ctx, name, CNAME)
+	deleteRecords(ctx, name, TXT)
+	deleteRecords(ctx, name, A)
+	deleteRecords(ctx, name, AAAA)
+	storage.Delete(ctx, nsKey)
+	storage.Delete(ctx, append([]byte{prefixRoot}, []byte(name)...))
+
+	isAutoCreated := storage.Get(ctx, autoCreatedPrefix)
+	if countSubDomain == 1 && isAutoCreated != nil && isAutoCreated.(bool) {
+		deleteDomain(ctx, fragments[len(fragments)-1])
+	}
+
+	if len(fragments) == 1 {
+		storage.Delete(ctx, countSubDomainsKey)
+		storage.Delete(ctx, autoCreatedPrefix)
+	}
+
+	runtime.Notify("DeleteDomain", name)
 }
 
 // Resolve resolves given name (not more then three redirects are allowed).
@@ -458,13 +670,13 @@ func updateBalance(ctx storage.Context, tokenId []byte, acc interop.Hash160, dif
 	balanceKey := append([]byte{prefixBalance}, acc...)
 	var balance int
 	if b := storage.Get(ctx, balanceKey); b != nil {
-		balance = b.(int)
+		balance = common.FromFixedWidth64(b.([]byte))
 	}
 	balance += diff
 	if balance == 0 {
 		storage.Delete(ctx, balanceKey)
 	} else {
-		storage.Put(ctx, balanceKey, balance)
+		storage.Put(ctx, balanceKey, common.ToFixedWidth64(balance))
 	}
 
 	tokenKey := getTokenKey(tokenId)
@@ -478,7 +690,7 @@ func updateBalance(ctx storage.Context, tokenId []byte, acc interop.Hash160, dif
 
 // postTransfer sends Transfer notification to the network and calls onNEP11Payment
 // method.
-func postTransfer(from, to interop.Hash160, tokenID []byte, data interface{}) {
+func postTransfer(from, to interop.Hash160, tokenID []byte, data any) {
 	runtime.Notify("Transfer", from, to, 1, tokenID)
 	if management.GetContract(to) != nil {
 		contract.Call(to, "onNEP11Payment", contract.All, from, 1, tokenID, data)
@@ -488,14 +700,14 @@ func postTransfer(from, to interop.Hash160, tokenID []byte, data interface{}) {
 // getTotalSupply returns total supply from storage.
 func getTotalSupply(ctx storage.Context) int {
 	val := storage.Get(ctx, []byte{prefixTotalSupply})
-	return val.(int)
+	return common.FromFixedWidth64(val.([]byte))
 }
 
 // updateTotalSupply adds the specified diff to the total supply.
 func updateTotalSupply(ctx storage.Context, diff int) {
 	tsKey := []byte{prefixTotalSupply}
 	ts := getTotalSupply(ctx)
-	storage.Put(ctx, tsKey, ts+diff)
+	storage.Put(ctx, tsKey, common.ToFixedWidth64(ts+diff))
 }
 
 // getTokenKey computes hash160 from the given tokenID.
@@ -508,9 +720,7 @@ func getNameState(ctx storage.Context, tokenID []byte) NameState {
 	tokenKey := getTokenKey(tokenID)
 	ns := getNameStateWithKey(ctx, tokenKey)
 	fragments := std.StringSplit(string(tokenID), ".")
-	if parentExpired(ctx, 1, fragments) {
+	checkParent(ctx, fragments)
-		panic("parent domain has expired")
-	}
 	return ns
 }
 
@@ -580,6 +790,33 @@ func addRecord(ctx storage.Context, tokenId []byte, name string, typ RecordType,
 		}
 	}
 
+	globalDomainKey := append([]byte{prefixGlobalDomain}, getTokenKey([]byte(name))...)
+	globalDomainStorage := storage.Get(ctx, globalDomainKey)
+	globalDomain := getGlobalDomain(ctx, name)
+
+	if globalDomainStorage == nil && typ == TXT {
+		if globalDomain != "" {
+			checkAvailableGlobalDomain(ctx, name)
+			nsOriginal := getNameState(ctx, []byte(tokenIDFromName(name)))
+			ns := NameState{
+				Name:       globalDomain,
+				Owner:      nsOriginal.Owner,
+				Expiration: nsOriginal.Expiration,
+				Admin:      nsOriginal.Admin,
+			}
+
+			putNameStateWithKey(ctx, getTokenKey([]byte(globalDomain)), ns)
+			storage.Put(ctx, globalDomainKey, globalDomain)
+
+			var oldOwner interop.Hash160
+			updateBalance(ctx, []byte(name), nsOriginal.Owner, +1)
+			postTransfer(oldOwner, nsOriginal.Owner, []byte(name), nil)
+			putCnameRecord(ctx, globalDomain, name)
+		} else {
+			storage.Put(ctx, globalDomainKey, "")
+		}
+	}
+
 	if typ == CNAME && id != 0 {
 		panic("you shouldn't have more than one CNAME record")
 	}
@@ -598,6 +835,7 @@ func storeRecord(ctx storage.Context, recordKey []byte, name string, typ RecordT
 	}
 	recBytes := std.Serialize(rs)
 	storage.Put(ctx, recordKey, recBytes)
+	runtime.Notify("AddRecord", name, typ)
 }
 
 // putSoaRecord stores soa domain record.
@@ -618,6 +856,24 @@ func putSoaRecord(ctx storage.Context, name, email string, refresh, retry, expir
 	}
 	recBytes := std.Serialize(rs)
 	storage.Put(ctx, recordKey, recBytes)
+	runtime.Notify("AddRecord", name, SOA)
+}
+
+// putCnameRecord stores CNAME domain record.
+func putCnameRecord(ctx storage.Context, name, data string) {
+	var id byte
+	tokenId := []byte(tokenIDFromName(name))
+	recordKey := getIdRecordKey(tokenId, name, CNAME, id)
+
+	rs := RecordState{
+		Name: name,
+		Type: CNAME,
+		ID:   id,
+		Data: data,
+	}
+	recBytes := std.Serialize(rs)
+	storage.Put(ctx, recordKey, recBytes)
+	runtime.Notify("AddRecord", name, CNAME)
 }
 
 // updateSoaSerial stores soa domain record.
@@ -627,7 +883,7 @@ func updateSoaSerial(ctx storage.Context, tokenId []byte) {
 
 	recBytes := storage.Get(ctx, recordKey)
 	if recBytes == nil {
-		panic("not found soa record")
+		return
 	}
 	rec := std.Deserialize(recBytes.([]byte)).(RecordState)
 
@@ -668,6 +924,14 @@ func isValid(address interop.Hash160) bool {
 	return address != nil && len(address) == interop.Hash160Len
 }
 
+// checkCommitteeAndFrostfsID panics if the script container is not signed by the committee.
+// or if the owner does not have permission in FrostfsID.
+func checkCommitteeAndFrostfsID(ctx storage.Context, owner interop.Hash160) {
+	if !checkFrostfsID(ctx, owner) {
+		checkCommittee()
+	}
+}
+
 // checkCommittee panics if the script container is not signed by the committee.
 func checkCommittee() {
 	committee := neo.GetCommittee()
@@ -716,24 +980,29 @@ func isAlNum(c uint8) bool {
 }
 
 // splitAndCheck splits domain name into parts and validates it.
-func splitAndCheck(name string, allowMultipleFragments bool) []string {
+func splitAndCheck(name string) []string {
-	l := len(name)
+	checkDomainNameLength(name)
-	if l < minDomainNameLength || maxDomainNameLength < l {
-		return nil
-	}
 	fragments := std.StringSplit(name, ".")
-	l = len(fragments)
+	l := len(fragments)
-	if l > 2 && !allowMultipleFragments {
-		return nil
-	}
 	for i := 0; i < l; i++ {
 		if !checkFragment(fragments[i], i == l-1) {
-			return nil
+			panic(errInvalidDomainName + " '" + name + "': invalid fragment '" + fragments[i] + "'")
 		}
 	}
 	return fragments
 }
 
+// checkDomainNameLength panics if domain name length is out of boundaries.
+func checkDomainNameLength(name string) {
+	l := len(name)
+	if l > maxDomainNameLength {
+		panic(errInvalidDomainName + " '" + name + "': domain name too long: got = " + std.Itoa(l, 10) + ", max = " + std.Itoa(maxDomainNameLength, 10))
+	}
+	if l < minDomainNameLength {
+		panic(errInvalidDomainName + " '" + name + "': domain name too short: got = " + std.Itoa(l, 10) + ", min = " + std.Itoa(minDomainNameLength, 10))
+	}
+}
+
 // checkIPv4 checks record on IPv4 compliance.
 func checkIPv4(data string) bool {
 	l := len(data)
@@ -846,10 +1115,7 @@ func checkIPv6(data string) bool {
 
 // tokenIDFromName returns token ID (domain.root) from the provided name.
 func tokenIDFromName(name string) string {
-	fragments := splitAndCheck(name, true)
+	fragments := splitAndCheck(name)
-	if fragments == nil {
-		panic("invalid domain name format")
-	}
 
 	ctx := storage.GetReadOnlyContext()
 	sum := 0
@@ -908,3 +1174,16 @@ func getAllRecords(ctx storage.Context, name string) iterator.Iterator {
 	recordsKey := getRecordsKey(tokenID, name)
 	return storage.Find(ctx, recordsKey, storage.ValuesOnly|storage.DeserializeValues)
 }
+
+func updateSubdDomainCounter(ctx storage.Context, rootZone []byte, countZone int) {
+	countSubDomain := 0
+	delInfoRaw := storage.Get(ctx, append([]byte{prefixCountSubDomains}, rootZone...))
+	if delInfoRaw != nil {
+		countSubDomain = common.FromFixedWidth64(delInfoRaw.([]byte))
+	}
+
+	if delInfoRaw != nil || countZone == 1 {
+		countSubDomain = countSubDomain + 1
+		storage.Put(ctx, append([]byte{prefixCountSubDomains}, rootZone...), common.ToFixedWidth64(countSubDomain))
+	}
+}

policy/config.yml

@@ -0,0 +1,12 @@
+name: "APE"
+permissions:
+  - methods: ["update"]
+safemethods:
+  - "getAdmin"
+  - "listChains"
+  - "getChain"
+  - "listChainsByPrefix"
+  - "listTargets"
+  - "listChainNames"
+  - "iteratorChainsByPrefix"
+  - "version"

policy/doc.go

@@ -0,0 +1,14 @@
+/*
+
+# Contract storage scheme
+
+ |   Key                                    | Value  |           Description             |
+ |------------------------------------------|--------|-----------------------------------|
+ | 'c' + uint16(len(container)) + container | []byte | Namespace chain                   |
+ | 'n' + uint16(len(namespace)) + namespace | []byte | Container chain                   |
+ | 'm' + entity name (namespace/container)  | []byte | Mapped name to an encoded number  |
+ | 'Counter'                                | uint64 | Integer counter used for mapping  |
+
+*/
+
+package policy

policy/policy_contract.go

@@ -0,0 +1,266 @@
+package policy
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-contract/common"
+	"github.com/nspcc-dev/neo-go/pkg/interop"
+	"github.com/nspcc-dev/neo-go/pkg/interop/iterator"
+	"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
+	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
+	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
+)
+
+// Kind represents the object the chain is attached to.
+// Currently only namespace and container are supported.
+type Kind byte
+
+const (
+	Namespace = 'n'
+	Container = 'c'
+	User      = 'u'
+	Group     = 'g'
+	IAM       = 'i'
+)
+
+const (
+	ownerKeyPrefix = 'o'
+)
+
+const (
+	mappingKeyPrefix = 'm'
+	counterKey       = "Counter"
+)
+
+const (
+	// ErrNotAuthorized is returned when the none of the transaction signers
+	// belongs to the list of autorized keys.
+	ErrNotAuthorized = "none of the signers is authorized to change the contract"
+)
+
+// _deploy function sets up initial list of inner ring public keys.
+func _deploy(data any, isUpdate bool) {
+	if isUpdate {
+		args := data.([]any)
+		common.CheckVersion(args[len(args)-1].(int))
+		return
+	}
+
+	args := data.(struct {
+		Admin interop.Hash160
+	})
+	ctx := storage.GetContext()
+	if args.Admin != nil {
+		if len(args.Admin) != 20 {
+			panic("invaliad admin hash length")
+		}
+		storage.Put(ctx, []byte{ownerKeyPrefix}, args.Admin)
+	}
+	storage.Put(ctx, counterKey, 0)
+}
+
+func checkAuthorization(ctx storage.Context) {
+	admin := getAdmin(ctx)
+	if admin != nil && runtime.CheckWitness(admin) {
+		return
+	}
+	if runtime.CheckWitness(common.AlphabetAddress()) {
+		return
+	}
+
+	panic(ErrNotAuthorized)
+}
+
+// Version returns the version of the contract.
+func Version() int {
+	return common.Version
+}
+
+// Update method updates contract source code and manifest. It can be invoked
+// by committee only.
+func Update(script []byte, manifest []byte, data any) {
+	if !common.HasUpdateAccess() {
+		panic("only committee can update contract")
+	}
+
+	management.UpdateWithData(script, manifest, common.AppendVersion(data))
+	runtime.Log("policy contract updated")
+}
+
+func SetAdmin(addr interop.Hash160) {
+	common.CheckAlphabetWitness()
+
+	ctx := storage.GetContext()
+	storage.Put(ctx, []byte{ownerKeyPrefix}, addr)
+}
+
+func GetAdmin() interop.Hash160 {
+	ctx := storage.GetReadOnlyContext()
+	return getAdmin(ctx)
+}
+
+func getAdmin(ctx storage.Context) interop.Hash160 {
+	return storage.Get(ctx, []byte{ownerKeyPrefix}).(interop.Hash160)
+}
+
+func storageKey(prefix Kind, counter int, name []byte) []byte {
+	key := append([]byte{byte(prefix)}, common.ToFixedWidth64(counter)...)
+	return append(key, name...)
+}
+
+func mapKey(kind Kind, name []byte) []byte {
+	return append([]byte{mappingKeyPrefix, byte(kind)}, name...)
+}
+
+// mapToNumeric maps a name to a number. That allows to keep more space in
+// a storage key shortening long names. Short entity
+// names are also mapped to prevent collisions in the map.
+func mapToNumeric(ctx storage.Context, kind Kind, name []byte) (mapped int, mappingExists bool) {
+	mKey := mapKey(kind, name)
+	numericID := storage.Get(ctx, mKey)
+	if numericID == nil {
+		return 0, false
+	}
+	mapped = numericID.(int)
+	mappingExists = true
+	return
+}
+
+// mapToNumericCreateIfNotExists maps a name to a number. That allows to keep
+// more space in a storage key shortening long names. Short entity
+// names are also mapped to prevent collisions in the map.
+// If a mapping cannot be found, then the method creates and returns it.
+// mapToNumericCreateIfNotExists is NOT applicable for a read-only context.
+func mapToNumericCreateIfNotExists(ctx storage.Context, kind Kind, name []byte) int {
+	mKey := mapKey(kind, name)
+	numericID := storage.Get(ctx, mKey)
+	if numericID == nil {
+		counter := storage.Get(ctx, counterKey).(int)
+		counter++
+		storage.Put(ctx, counterKey, counter)
+		storage.Put(ctx, mKey, counter)
+		return counter
+	}
+	return numericID.(int)
+}
+
+func AddChain(entity Kind, entityName string, name []byte, chain []byte) {
+	ctx := storage.GetContext()
+	checkAuthorization(ctx)
+
+	entityNameBytes := mapToNumericCreateIfNotExists(ctx, entity, []byte(entityName))
+	key := storageKey(entity, entityNameBytes, name)
+	storage.Put(ctx, key, chain)
+}
+
+func GetChain(entity Kind, entityName string, name []byte) []byte {
+	ctx := storage.GetReadOnlyContext()
+
+	entityNameBytes, exists := mapToNumeric(ctx, entity, []byte(entityName))
+	if !exists {
+		panic("not found")
+	}
+
+	key := storageKey(entity, entityNameBytes, name)
+	data := storage.Get(ctx, key).([]byte)
+	if data == nil {
+		panic("not found")
+	}
+
+	return data
+}
+
+func RemoveChain(entity Kind, entityName string, name []byte) {
+	ctx := storage.GetContext()
+	checkAuthorization(ctx)
+
+	entityNameNum, exists := mapToNumeric(ctx, entity, []byte(entityName))
+	if !exists {
+		return
+	}
+
+	key := storageKey(entity, entityNameNum, name)
+	storage.Delete(ctx, key)
+
+	// If no chains are left for the target, then remove the mapping.
+	prefix := append([]byte{byte(entity)}, common.ToFixedWidth64(entityNameNum)...)
+	it := storage.Find(ctx, prefix, storage.KeysOnly)
+	if !iterator.Next(it) {
+		storage.Delete(ctx, mapKey(entity, []byte(entityName)))
+	}
+}
+
+func RemoveChainsByPrefix(entity Kind, entityName string, name []byte) {
+	ctx := storage.GetContext()
+	checkAuthorization(ctx)
+
+	entityNameNum, exists := mapToNumeric(ctx, entity, []byte(entityName))
+	if !exists {
+		return
+	}
+
+	key := storageKey(entity, entityNameNum, name)
+	it := storage.Find(ctx, key, storage.KeysOnly)
+	for iterator.Next(it) {
+		storage.Delete(ctx, iterator.Value(it).([]byte))
+	}
+
+	// If no chains are left for the target, then remove the mapping.
+	prefix := append([]byte{byte(entity)}, common.ToFixedWidth64(entityNameNum)...)
+	it = storage.Find(ctx, prefix, storage.KeysOnly)
+	if !iterator.Next(it) {
+		storage.Delete(ctx, mapKey(entity, []byte(entityName)))
+	}
+}
+
+// ListChains lists all chains for the namespace by prefix.
+// container may be empty.
+func ListChains(namespace, container string, name []byte) [][]byte {
+	result := ListChainsByPrefix(Namespace, namespace, name)
+
+	if container != "" {
+		result = append(result, ListChainsByPrefix(Container, container, name)...)
+	}
+
+	return result
+}
+
+// ListChainsByPrefix list all chains for the provided kind and entity by prefix.
+func ListChainsByPrefix(entity Kind, entityName string, prefix []byte) [][]byte {
+	ctx := storage.GetReadOnlyContext()
+
+	result := [][]byte{}
+
+	entityNameBytes, exists := mapToNumeric(ctx, entity, []byte(entityName))
+	if !exists {
+		return result
+	}
+
+	keyPrefix := storageKey(entity, entityNameBytes, prefix)
+	it := storage.Find(ctx, keyPrefix, storage.ValuesOnly)
+	for iterator.Next(it) {
+		result = append(result, iterator.Value(it).([]byte))
+	}
+
+	return result
+}
+
+func IteratorChainsByPrefix(entity Kind, entityName string, prefix []byte) iterator.Iterator {
+	ctx := storage.GetReadOnlyContext()
+	id, _ := mapToNumeric(ctx, entity, []byte(entityName))
+	keyPrefix := storageKey(entity, id, prefix)
+	return storage.Find(ctx, keyPrefix, storage.ValuesOnly)
+}
+
+// ListTargets iterates over targets for which rules are defined.
+func ListTargets(entity Kind) iterator.Iterator {
+	ctx := storage.GetReadOnlyContext()
+	mKey := mapKey(entity, []byte{})
+	return storage.Find(ctx, mKey, storage.KeysOnly|storage.RemovePrefix)
+}
+
+// ListChainNames iterates over chain names for specific target.
+func ListChainNames(entity Kind, entityName string) iterator.Iterator {
+	ctx := storage.GetReadOnlyContext()
+	id, _ := mapToNumeric(ctx, entity, []byte(entityName))
+	keyPrefix := storageKey(entity, id, []byte{})
+	return storage.Find(ctx, keyPrefix, storage.KeysOnly|storage.RemovePrefix)
+}

processing/doc.go

@@ -21,9 +21,8 @@ Processing contract does not produce notifications to process.
 
 # Contract storage scheme
 
- |   Key                       | Value      |           Description            |
+	|   Key                       | Value      |           Description            |
- |-----------------------------|------------|----------------------------------|
+	|-----------------------------|------------|----------------------------------|
- | `frostfsScriptHash`         | Hash160    | frostFS contract hash            |
+	| `frostfsScriptHash`         | Hash160    | frostFS contract hash            |
-
 */
 package processing

processing/processing_contract.go

@@ -3,54 +3,34 @@ package processing
 import (
 	"git.frostfs.info/TrueCloudLab/frostfs-contract/common"
 	"github.com/nspcc-dev/neo-go/pkg/interop"
-	"github.com/nspcc-dev/neo-go/pkg/interop/contract"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/gas"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/ledger"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/roles"
 	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
-	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
-)
-
-const (
-	frostfsContractKey = "frostfsScriptHash"
-
-	multiaddrMethod = "alphabetAddress"
 )
 
 // OnNEP17Payment is a callback for NEP-17 compatible native GAS contract.
-func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) {
+func OnNEP17Payment(from interop.Hash160, amount int, data any) {
 	caller := runtime.GetCallingScriptHash()
 	if !common.BytesEqual(caller, []byte(gas.Hash)) {
 		common.AbortWithMessage("processing contract accepts GAS only")
 	}
 }
 
-func _deploy(data interface{}, isUpdate bool) {
+func _deploy(data any, isUpdate bool) {
 	if isUpdate {
-		args := data.([]interface{})
+		args := data.([]any)
 		common.CheckVersion(args[len(args)-1].(int))
 		return
 	}
 
-	args := data.(struct {
-		addrFrostFS interop.Hash160
-	})
-
-	ctx := storage.GetContext()
-
-	if len(args.addrFrostFS) != interop.Hash160Len {
-		panic("incorrect length of contract script hash")
-	}
-
-	storage.Put(ctx, frostfsContractKey, args.addrFrostFS)
-
 	runtime.Log("processing contract initialized")
 }
 
 // Update method updates contract source code and manifest. It can be invoked
 // only by the sidechain committee.
-func Update(script []byte, manifest []byte, data interface{}) {
+func Update(script []byte, manifest []byte, data any) {
 	blockHeight := ledger.CurrentIndex()
 	alphabetKeys := roles.GetDesignatedByRole(roles.NeoFSAlphabet, uint32(blockHeight+1))
 	alphabetCommittee := common.Multiaddress(alphabetKeys, true)
@@ -66,11 +46,7 @@ func Update(script []byte, manifest []byte, data interface{}) {
 // Verify method returns true if transaction contains valid multisignature of
 // Alphabet nodes of the Inner Ring.
 func Verify() bool {
-	ctx := storage.GetContext()
+	return runtime.CheckWitness(common.AlphabetAddress())
-	frostfsContractAddr := storage.Get(ctx, frostfsContractKey).(interop.Hash160)
-	multiaddr := contract.Call(frostfsContractAddr, multiaddrMethod, contract.ReadOnly).(interop.Hash160)
-
-	return runtime.CheckWitness(multiaddr)
 }
 
 // Version returns the version of the contract.

proxy/doc.go

@@ -21,6 +21,5 @@ Proxy contract does not produce notifications to process.
 # Contract storage scheme
 
 Proxy contract does not use storage
-
 */
 package proxy

proxy/proxy_contract.go

@@ -5,21 +5,32 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/interop"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/gas"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
-	"github.com/nspcc-dev/neo-go/pkg/interop/native/neo"
 	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
+	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
 )
 
+const accountKeyPrefix = 'a'
+
 // OnNEP17Payment is a callback for NEP-17 compatible native GAS contract.
-func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) {
+func OnNEP17Payment(from interop.Hash160, amount int, data any) {
 	caller := runtime.GetCallingScriptHash()
 	if !common.BytesEqual(caller, []byte(gas.Hash)) {
 		common.AbortWithMessage("proxy contract accepts GAS only")
 	}
 }
 
-func _deploy(data interface{}, isUpdate bool) {
+// OnNEP11Payment is a callback for NEP-11 compatible NNS contract.
+func OnNEP11Payment(from interop.Hash160, amount int, token []byte, data any) {
+	caller := runtime.GetCallingScriptHash()
+	nnsHash := management.GetContractByID(1).Hash
+	if !common.BytesEqual(caller, []byte(nnsHash)) {
+		common.AbortWithMessage("proxy contract accepts NNS tokens only")
+	}
+}
+
+func _deploy(data any, isUpdate bool) {
 	if isUpdate {
-		args := data.([]interface{})
+		args := data.([]any)
 		common.CheckVersion(args[len(args)-1].(int))
 		return
 	}
@@ -29,7 +40,7 @@ func _deploy(data interface{}, isUpdate bool) {
 
 // Update method updates contract source code and manifest. It can be invoked
 // only by committee.
-func Update(script []byte, manifest []byte, data interface{}) {
+func Update(script []byte, manifest []byte, data any) {
 	if !common.HasUpdateAccess() {
 		panic("only committee can update contract")
 	}
@@ -39,20 +50,46 @@ func Update(script []byte, manifest []byte, data interface{}) {
 }
 
 // Verify method returns true if transaction contains valid multisignature of
-// Alphabet nodes of the Inner Ring.
+// Alphabet nodes of the Inner Ring or any of the trusted accounts added via AddAccount.
 func Verify() bool {
-	alphabet := neo.GetCommittee()
+	if !runtime.GetScriptContainer().Sender.Equals(runtime.GetExecutingScriptHash()) {
-	sig := common.Multiaddress(alphabet, false)
+		return false
-
-	if !runtime.CheckWitness(sig) {
-		sig = common.Multiaddress(alphabet, true)
-		return runtime.CheckWitness(sig)
 	}
 
-	return true
+	signers := runtime.CurrentSigners()
+	ctx := storage.GetReadOnlyContext()
+	for i := 1; /* skip sender */ i < len(signers); i++ {
+		if storage.Get(ctx, append([]byte{accountKeyPrefix}, signers[i].Account...)) != nil {
+			return true
+		}
+	}
+
+	if runtime.CheckWitness(common.CommitteeAddress()) {
+		return true
+	}
+
+	if runtime.CheckWitness(common.AlphabetAddress()) {
+		return true
+	}
+
+	return false
 }
 
 // Version returns the version of the contract.
 func Version() int {
 	return common.Version
 }
+
+func AddAccount(addr interop.Hash160) {
+	common.CheckWitness(common.CommitteeAddress())
+
+	ctx := storage.GetContext()
+	storage.Put(ctx, append([]byte{accountKeyPrefix}, addr...), []byte{1})
+}
+
+func RemoveAccount(addr interop.Hash160) {
+	common.CheckWitness(common.CommitteeAddress())
+
+	ctx := storage.GetContext()
+	storage.Delete(ctx, append([]byte{accountKeyPrefix}, addr...))
+}

reputation/config.yml

@@ -1,13 +0,0 @@
-name: "Reputation"
-safemethods: ["get", "getByID", "listByEpoch"]
-permissions:
-  - methods: ["update"]
-events:
-  - name: reputationPut
-    parameters:
-      - name: epoch
-        type: Integer
-      - name: peerID
-        type: ByteArray
-      - name: value
-        type: ByteArray

reputation/doc.go

@@ -1,25 +0,0 @@
-/*
-Reputation contract is a contract deployed in FrostFS sidechain.
-
-Inner Ring nodes produce data audit for each container during each epoch. In the end,
-nodes produce DataAuditResult structure that contains information about audit
-progress. Reputation contract provides storage for such structures and simple
-interface to iterate over available DataAuditResults on specified epoch.
-
-During settlement process, Alphabet nodes fetch all DataAuditResult structures
-from the epoch and execute balance transfers from data owners to Storage and
-Inner Ring nodes if data audit succeeds.
-
-# Contract notifications
-
-Reputation contract does not produce notifications to process.
-
-# Contract storage scheme
-
- |   Key                       | Value      |           Description             |
- |-----------------------------|------------|-----------------------------------|
- | `c` + epoch + peerID        | int        | peer reputation count             |
- | `r` + count                 | ByteArray  | serialized DataAuditResult struct |
-
-*/
-package reputation

reputation/reputation_contract.go

@@ -1,122 +0,0 @@
-package reputation
-
-import (
-	"git.frostfs.info/TrueCloudLab/frostfs-contract/common"
-	"github.com/nspcc-dev/neo-go/pkg/interop/convert"
-	"github.com/nspcc-dev/neo-go/pkg/interop/iterator"
-	"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
-	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
-	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
-)
-
-const (
-	notaryDisabledKey     = "notary"
-	reputationValuePrefix = 'r'
-	reputationCountPrefix = 'c'
-)
-
-func _deploy(data interface{}, isUpdate bool) {
-	common.RmAndCheckNotaryDisabledKey(data, notaryDisabledKey)
-
-	if isUpdate {
-		args := data.([]interface{})
-		common.CheckVersion(args[len(args)-1].(int))
-		return
-	}
-
-	runtime.Log("reputation contract initialized")
-}
-
-// Update method updates contract source code and manifest. It can be invoked
-// only by committee.
-func Update(script []byte, manifest []byte, data interface{}) {
-	if !common.HasUpdateAccess() {
-		panic("only committee can update contract")
-	}
-
-	management.UpdateWithData(script, manifest, common.AppendVersion(data))
-	runtime.Log("reputation contract updated")
-}
-
-// Put method saves DataAuditResult in contract storage. It can be invoked only by
-// Inner Ring nodes. It does not require multisignature invocations.
-//
-// Epoch is the epoch number when DataAuditResult structure was generated.
-// PeerID contains public keys of the Inner Ring node that has produced DataAuditResult.
-// Value contains a stable marshaled structure of DataAuditResult.
-func Put(epoch int, peerID []byte, value []byte) {
-	ctx := storage.GetContext()
-
-	multiaddr := common.AlphabetAddress()
-	if !runtime.CheckWitness(multiaddr) {
-		runtime.Notify("reputationPut", epoch, peerID, value)
-		return
-	}
-
-	id := storageID(epoch, peerID)
-	key := getReputationKey(reputationCountPrefix, id)
-	rawCnt := storage.Get(ctx, key)
-	cnt := 0
-	if rawCnt != nil {
-		cnt = rawCnt.(int)
-	}
-	cnt++
-	storage.Put(ctx, key, cnt)
-
-	key[0] = reputationValuePrefix
-	key = append(key, convert.ToBytes(cnt)...)
-	storage.Put(ctx, key, value)
-}
-
-// Get method returns a list of all stable marshaled DataAuditResult structures
-// produced by the specified Inner Ring node during the specified epoch.
-func Get(epoch int, peerID []byte) [][]byte {
-	id := storageID(epoch, peerID)
-	return GetByID(id)
-}
-
-// GetByID method returns a list of all stable marshaled DataAuditResult with
-// the specified id. Use ListByEpoch method to obtain the id.
-func GetByID(id []byte) [][]byte {
-	ctx := storage.GetReadOnlyContext()
-
-	var data [][]byte
-
-	it := storage.Find(ctx, getReputationKey(reputationValuePrefix, id), storage.ValuesOnly)
-	for iterator.Next(it) {
-		data = append(data, iterator.Value(it).([]byte))
-	}
-	return data
-}
-
-func getReputationKey(prefix byte, id []byte) []byte {
-	return append([]byte{prefix}, id...)
-}
-
-// ListByEpoch returns a list of IDs that may be used to get reputation data
-// with GetByID method.
-func ListByEpoch(epoch int) [][]byte {
-	ctx := storage.GetReadOnlyContext()
-	key := getReputationKey(reputationCountPrefix, convert.ToBytes(epoch))
-	it := storage.Find(ctx, key, storage.KeysOnly)
-
-	var result [][]byte
-
-	for iterator.Next(it) {
-		key := iterator.Value(it).([]byte) // iterator MUST BE `storage.KeysOnly`
-		result = append(result, key[1:])
-	}
-
-	return result
-}
-
-// Version returns the version of the contract.
-func Version() int {
-	return common.Version
-}
-
-func storageID(epoch int, peerID []byte) []byte {
-	var buf interface{} = epoch
-
-	return append(buf.([]byte), peerID...)
-}

rpcclient/alphabet/client.go

@@ -0,0 +1,138 @@
+// Code generated by neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]; DO NOT EDIT.
+
+// Package alphabet contains RPC wrappers for Alphabet contract.
+package alphabet
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"math/big"
+)
+
+// Invoker is used by ContractReader to call various safe methods.
+type Invoker interface {
+	Call(contract util.Uint160, operation string, params ...any) (*result.Invoke, error)
+}
+
+// Actor is used by Contract to call state-changing methods.
+type Actor interface {
+	Invoker
+
+	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
+	MakeRun(script []byte) (*transaction.Transaction, error)
+	MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error)
+	MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
+	SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error)
+	SendRun(script []byte) (util.Uint256, uint32, error)
+}
+
+// ContractReader implements safe contract methods.
+type ContractReader struct {
+	invoker Invoker
+	hash    util.Uint160
+}
+
+// Contract implements all contract methods.
+type Contract struct {
+	ContractReader
+	actor Actor
+	hash  util.Uint160
+}
+
+// NewReader creates an instance of ContractReader using provided contract hash and the given Invoker.
+func NewReader(invoker Invoker, hash util.Uint160) *ContractReader {
+	return &ContractReader{invoker, hash}
+}
+
+// New creates an instance of Contract using provided contract hash and the given Actor.
+func New(actor Actor, hash util.Uint160) *Contract {
+	return &Contract{ContractReader{actor, hash}, actor, hash}
+}
+
+// Gas invokes `gas` method of contract.
+func (c *ContractReader) Gas() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "gas"))
+}
+
+// Name invokes `name` method of contract.
+func (c *ContractReader) Name() (string, error) {
+	return unwrap.UTF8String(c.invoker.Call(c.hash, "name"))
+}
+
+// Neo invokes `neo` method of contract.
+func (c *ContractReader) Neo() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "neo"))
+}
+
+// Version invokes `version` method of contract.
+func (c *ContractReader) Version() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "version"))
+}
+
+// Emit creates a transaction invoking `emit` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Emit() (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "emit")
+}
+
+// EmitTransaction creates a transaction invoking `emit` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) EmitTransaction() (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "emit")
+}
+
+// EmitUnsigned creates a transaction invoking `emit` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) EmitUnsigned() (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "emit", nil)
+}
+
+// Update creates a transaction invoking `update` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Update(script []byte, manifest []byte, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateUnsigned(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, script, manifest, data)
+}
+
+// Vote creates a transaction invoking `vote` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Vote(epoch *big.Int, candidates []any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "vote", epoch, candidates)
+}
+
+// VoteTransaction creates a transaction invoking `vote` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) VoteTransaction(epoch *big.Int, candidates []any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "vote", epoch, candidates)
+}
+
+// VoteUnsigned creates a transaction invoking `vote` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) VoteUnsigned(epoch *big.Int, candidates []any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "vote", nil, epoch, candidates)
+}

rpcclient/balance/client.go

@@ -0,0 +1,549 @@
+// Code generated by neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]; DO NOT EDIT.
+
+// Package balance contains RPC wrappers for Balance contract.
+package balance
+
+import (
+	"errors"
+	"fmt"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep17"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"math/big"
+)
+
+// LockEvent represents "Lock" event emitted by the contract.
+type LockEvent struct {
+	TxID   []byte
+	From   util.Uint160
+	To     util.Uint160
+	Amount *big.Int
+	Until  *big.Int
+}
+
+// TransferXEvent represents "TransferX" event emitted by the contract.
+type TransferXEvent struct {
+	From    util.Uint160
+	To      util.Uint160
+	Amount  *big.Int
+	Details []byte
+}
+
+// MintEvent represents "Mint" event emitted by the contract.
+type MintEvent struct {
+	To     util.Uint160
+	Amount *big.Int
+}
+
+// BurnEvent represents "Burn" event emitted by the contract.
+type BurnEvent struct {
+	From   util.Uint160
+	Amount *big.Int
+}
+
+// Invoker is used by ContractReader to call various safe methods.
+type Invoker interface {
+	nep17.Invoker
+}
+
+// Actor is used by Contract to call state-changing methods.
+type Actor interface {
+	Invoker
+
+	nep17.Actor
+
+	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
+	MakeRun(script []byte) (*transaction.Transaction, error)
+	MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error)
+	MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
+	SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error)
+	SendRun(script []byte) (util.Uint256, uint32, error)
+}
+
+// ContractReader implements safe contract methods.
+type ContractReader struct {
+	nep17.TokenReader
+	invoker Invoker
+	hash    util.Uint160
+}
+
+// Contract implements all contract methods.
+type Contract struct {
+	ContractReader
+	nep17.TokenWriter
+	actor Actor
+	hash  util.Uint160
+}
+
+// NewReader creates an instance of ContractReader using provided contract hash and the given Invoker.
+func NewReader(invoker Invoker, hash util.Uint160) *ContractReader {
+	return &ContractReader{*nep17.NewReader(invoker, hash), invoker, hash}
+}
+
+// New creates an instance of Contract using provided contract hash and the given Actor.
+func New(actor Actor, hash util.Uint160) *Contract {
+	var nep17t = nep17.New(actor, hash)
+	return &Contract{ContractReader{nep17t.TokenReader, actor, hash}, nep17t.TokenWriter, actor, hash}
+}
+
+// Version invokes `version` method of contract.
+func (c *ContractReader) Version() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "version"))
+}
+
+// Burn creates a transaction invoking `burn` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Burn(from util.Uint160, amount *big.Int, txDetails []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "burn", from, amount, txDetails)
+}
+
+// BurnTransaction creates a transaction invoking `burn` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) BurnTransaction(from util.Uint160, amount *big.Int, txDetails []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "burn", from, amount, txDetails)
+}
+
+// BurnUnsigned creates a transaction invoking `burn` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) BurnUnsigned(from util.Uint160, amount *big.Int, txDetails []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "burn", nil, from, amount, txDetails)
+}
+
+// Lock creates a transaction invoking `lock` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Lock(txDetails []byte, from util.Uint160, to util.Uint160, amount *big.Int, until *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "lock", txDetails, from, to, amount, until)
+}
+
+// LockTransaction creates a transaction invoking `lock` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) LockTransaction(txDetails []byte, from util.Uint160, to util.Uint160, amount *big.Int, until *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "lock", txDetails, from, to, amount, until)
+}
+
+// LockUnsigned creates a transaction invoking `lock` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) LockUnsigned(txDetails []byte, from util.Uint160, to util.Uint160, amount *big.Int, until *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "lock", nil, txDetails, from, to, amount, until)
+}
+
+// Mint creates a transaction invoking `mint` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Mint(to util.Uint160, amount *big.Int, txDetails []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "mint", to, amount, txDetails)
+}
+
+// MintTransaction creates a transaction invoking `mint` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) MintTransaction(to util.Uint160, amount *big.Int, txDetails []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "mint", to, amount, txDetails)
+}
+
+// MintUnsigned creates a transaction invoking `mint` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) MintUnsigned(to util.Uint160, amount *big.Int, txDetails []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "mint", nil, to, amount, txDetails)
+}
+
+// NewEpoch creates a transaction invoking `newEpoch` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) NewEpoch(epochNum *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "newEpoch", epochNum)
+}
+
+// NewEpochTransaction creates a transaction invoking `newEpoch` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) NewEpochTransaction(epochNum *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "newEpoch", epochNum)
+}
+
+// NewEpochUnsigned creates a transaction invoking `newEpoch` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) NewEpochUnsigned(epochNum *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "newEpoch", nil, epochNum)
+}
+
+// TransferX creates a transaction invoking `transferX` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) TransferX(from util.Uint160, to util.Uint160, amount *big.Int, details []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "transferX", from, to, amount, details)
+}
+
+// TransferXTransaction creates a transaction invoking `transferX` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) TransferXTransaction(from util.Uint160, to util.Uint160, amount *big.Int, details []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "transferX", from, to, amount, details)
+}
+
+// TransferXUnsigned creates a transaction invoking `transferX` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) TransferXUnsigned(from util.Uint160, to util.Uint160, amount *big.Int, details []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "transferX", nil, from, to, amount, details)
+}
+
+// Update creates a transaction invoking `update` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Update(script []byte, manifest []byte, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateUnsigned(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, script, manifest, data)
+}
+
+// LockEventsFromApplicationLog retrieves a set of all emitted events
+// with "Lock" name from the provided [result.ApplicationLog].
+func LockEventsFromApplicationLog(log *result.ApplicationLog) ([]*LockEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*LockEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "Lock" {
+				continue
+			}
+			event := new(LockEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize LockEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to LockEvent or
+// returns an error if it's not possible to do to so.
+func (e *LockEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 5 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.TxID, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field TxID: %w", err)
+	}
+
+	index++
+	e.From, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field From: %w", err)
+	}
+
+	index++
+	e.To, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field To: %w", err)
+	}
+
+	index++
+	e.Amount, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Amount: %w", err)
+	}
+
+	index++
+	e.Until, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Until: %w", err)
+	}
+
+	return nil
+}
+
+// TransferXEventsFromApplicationLog retrieves a set of all emitted events
+// with "TransferX" name from the provided [result.ApplicationLog].
+func TransferXEventsFromApplicationLog(log *result.ApplicationLog) ([]*TransferXEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*TransferXEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "TransferX" {
+				continue
+			}
+			event := new(TransferXEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize TransferXEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to TransferXEvent or
+// returns an error if it's not possible to do to so.
+func (e *TransferXEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 4 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.From, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field From: %w", err)
+	}
+
+	index++
+	e.To, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field To: %w", err)
+	}
+
+	index++
+	e.Amount, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Amount: %w", err)
+	}
+
+	index++
+	e.Details, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field Details: %w", err)
+	}
+
+	return nil
+}
+
+// MintEventsFromApplicationLog retrieves a set of all emitted events
+// with "Mint" name from the provided [result.ApplicationLog].
+func MintEventsFromApplicationLog(log *result.ApplicationLog) ([]*MintEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*MintEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "Mint" {
+				continue
+			}
+			event := new(MintEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize MintEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to MintEvent or
+// returns an error if it's not possible to do to so.
+func (e *MintEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.To, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field To: %w", err)
+	}
+
+	index++
+	e.Amount, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Amount: %w", err)
+	}
+
+	return nil
+}
+
+// BurnEventsFromApplicationLog retrieves a set of all emitted events
+// with "Burn" name from the provided [result.ApplicationLog].
+func BurnEventsFromApplicationLog(log *result.ApplicationLog) ([]*BurnEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*BurnEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "Burn" {
+				continue
+			}
+			event := new(BurnEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize BurnEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to BurnEvent or
+// returns an error if it's not possible to do to so.
+func (e *BurnEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.From, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field From: %w", err)
+	}
+
+	index++
+	e.Amount, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Amount: %w", err)
+	}
+
+	return nil
+}

rpcclient/container/client.go

@@ -0,0 +1,661 @@
+// Code generated by neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]; DO NOT EDIT.
+
+// Package container contains RPC wrappers for Container contract.
+package container
+
+import (
+	"crypto/elliptic"
+	"errors"
+	"fmt"
+	"github.com/google/uuid"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"math/big"
+)
+
+// PutSuccessEvent represents "PutSuccess" event emitted by the contract.
+type PutSuccessEvent struct {
+	ContainerID util.Uint256
+	PublicKey   *keys.PublicKey
+}
+
+// DeleteSuccessEvent represents "DeleteSuccess" event emitted by the contract.
+type DeleteSuccessEvent struct {
+	ContainerID []byte
+}
+
+// SetEACLSuccessEvent represents "SetEACLSuccess" event emitted by the contract.
+type SetEACLSuccessEvent struct {
+	ContainerID []byte
+	PublicKey   *keys.PublicKey
+}
+
+// StartEstimationEvent represents "StartEstimation" event emitted by the contract.
+type StartEstimationEvent struct {
+	Epoch *big.Int
+}
+
+// StopEstimationEvent represents "StopEstimation" event emitted by the contract.
+type StopEstimationEvent struct {
+	Epoch *big.Int
+}
+
+// Invoker is used by ContractReader to call various safe methods.
+type Invoker interface {
+	Call(contract util.Uint160, operation string, params ...any) (*result.Invoke, error)
+	CallAndExpandIterator(contract util.Uint160, method string, maxItems int, params ...any) (*result.Invoke, error)
+	TerminateSession(sessionID uuid.UUID) error
+	TraverseIterator(sessionID uuid.UUID, iterator *result.Iterator, num int) ([]stackitem.Item, error)
+}
+
+// Actor is used by Contract to call state-changing methods.
+type Actor interface {
+	Invoker
+
+	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
+	MakeRun(script []byte) (*transaction.Transaction, error)
+	MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error)
+	MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
+	SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error)
+	SendRun(script []byte) (util.Uint256, uint32, error)
+}
+
+// ContractReader implements safe contract methods.
+type ContractReader struct {
+	invoker Invoker
+	hash    util.Uint160
+}
+
+// Contract implements all contract methods.
+type Contract struct {
+	ContractReader
+	actor Actor
+	hash  util.Uint160
+}
+
+// NewReader creates an instance of ContractReader using provided contract hash and the given Invoker.
+func NewReader(invoker Invoker, hash util.Uint160) *ContractReader {
+	return &ContractReader{invoker, hash}
+}
+
+// New creates an instance of Contract using provided contract hash and the given Actor.
+func New(actor Actor, hash util.Uint160) *Contract {
+	return &Contract{ContractReader{actor, hash}, actor, hash}
+}
+
+// ContainersOf invokes `containersOf` method of contract.
+func (c *ContractReader) ContainersOf(owner []byte) (uuid.UUID, result.Iterator, error) {
+	return unwrap.SessionIterator(c.invoker.Call(c.hash, "containersOf", owner))
+}
+
+// ContainersOfExpanded is similar to ContainersOf (uses the same contract
+// method), but can be useful if the server used doesn't support sessions and
+// doesn't expand iterators. It creates a script that will get the specified
+// number of result items from the iterator right in the VM and return them to
+// you. It's only limited by VM stack and GAS available for RPC invocations.
+func (c *ContractReader) ContainersOfExpanded(owner []byte, _numOfIteratorItems int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "containersOf", _numOfIteratorItems, owner))
+}
+
+// Count invokes `count` method of contract.
+func (c *ContractReader) Count() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "count"))
+}
+
+// DeletionInfo invokes `deletionInfo` method of contract.
+func (c *ContractReader) DeletionInfo(containerID []byte) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "deletionInfo", containerID))
+}
+
+// EACL invokes `eACL` method of contract.
+func (c *ContractReader) EACL(containerID []byte) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "eACL", containerID))
+}
+
+// Get invokes `get` method of contract.
+func (c *ContractReader) Get(containerID []byte) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "get", containerID))
+}
+
+// GetContainerSize invokes `getContainerSize` method of contract.
+func (c *ContractReader) GetContainerSize(id []byte) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "getContainerSize", id))
+}
+
+// IterateContainerSizes invokes `iterateContainerSizes` method of contract.
+func (c *ContractReader) IterateContainerSizes(epoch *big.Int) (uuid.UUID, result.Iterator, error) {
+	return unwrap.SessionIterator(c.invoker.Call(c.hash, "iterateContainerSizes", epoch))
+}
+
+// IterateContainerSizesExpanded is similar to IterateContainerSizes (uses the same contract
+// method), but can be useful if the server used doesn't support sessions and
+// doesn't expand iterators. It creates a script that will get the specified
+// number of result items from the iterator right in the VM and return them to
+// you. It's only limited by VM stack and GAS available for RPC invocations.
+func (c *ContractReader) IterateContainerSizesExpanded(epoch *big.Int, _numOfIteratorItems int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "iterateContainerSizes", _numOfIteratorItems, epoch))
+}
+
+// List invokes `list` method of contract.
+func (c *ContractReader) List(owner []byte) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "list", owner))
+}
+
+// ListContainerSizes invokes `listContainerSizes` method of contract.
+func (c *ContractReader) ListContainerSizes(epoch *big.Int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "listContainerSizes", epoch))
+}
+
+// Owner invokes `owner` method of contract.
+func (c *ContractReader) Owner(containerID []byte) ([]byte, error) {
+	return unwrap.Bytes(c.invoker.Call(c.hash, "owner", containerID))
+}
+
+// Version invokes `version` method of contract.
+func (c *ContractReader) Version() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "version"))
+}
+
+// Delete creates a transaction invoking `delete` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Delete(containerID []byte, signature []byte, publicKey *keys.PublicKey, token []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "delete", containerID, signature, publicKey, token)
+}
+
+// DeleteTransaction creates a transaction invoking `delete` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) DeleteTransaction(containerID []byte, signature []byte, publicKey *keys.PublicKey, token []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "delete", containerID, signature, publicKey, token)
+}
+
+// DeleteUnsigned creates a transaction invoking `delete` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) DeleteUnsigned(containerID []byte, signature []byte, publicKey *keys.PublicKey, token []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "delete", nil, containerID, signature, publicKey, token)
+}
+
+// NewEpoch creates a transaction invoking `newEpoch` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) NewEpoch(epochNum *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "newEpoch", epochNum)
+}
+
+// NewEpochTransaction creates a transaction invoking `newEpoch` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) NewEpochTransaction(epochNum *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "newEpoch", epochNum)
+}
+
+// NewEpochUnsigned creates a transaction invoking `newEpoch` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) NewEpochUnsigned(epochNum *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "newEpoch", nil, epochNum)
+}
+
+// Put creates a transaction invoking `put` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Put(container []byte, signature []byte, publicKey *keys.PublicKey, token []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "put", container, signature, publicKey, token)
+}
+
+// PutTransaction creates a transaction invoking `put` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) PutTransaction(container []byte, signature []byte, publicKey *keys.PublicKey, token []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "put", container, signature, publicKey, token)
+}
+
+// PutUnsigned creates a transaction invoking `put` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) PutUnsigned(container []byte, signature []byte, publicKey *keys.PublicKey, token []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "put", nil, container, signature, publicKey, token)
+}
+
+// PutContainerSize creates a transaction invoking `putContainerSize` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) PutContainerSize(epoch *big.Int, cid []byte, usedSize *big.Int, pubKey *keys.PublicKey) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "putContainerSize", epoch, cid, usedSize, pubKey)
+}
+
+// PutContainerSizeTransaction creates a transaction invoking `putContainerSize` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) PutContainerSizeTransaction(epoch *big.Int, cid []byte, usedSize *big.Int, pubKey *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "putContainerSize", epoch, cid, usedSize, pubKey)
+}
+
+// PutContainerSizeUnsigned creates a transaction invoking `putContainerSize` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) PutContainerSizeUnsigned(epoch *big.Int, cid []byte, usedSize *big.Int, pubKey *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "putContainerSize", nil, epoch, cid, usedSize, pubKey)
+}
+
+// PutNamed creates a transaction invoking `putNamed` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) PutNamed(container []byte, signature []byte, publicKey *keys.PublicKey, token []byte, name string, zone string) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "putNamed", container, signature, publicKey, token, name, zone)
+}
+
+// PutNamedTransaction creates a transaction invoking `putNamed` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) PutNamedTransaction(container []byte, signature []byte, publicKey *keys.PublicKey, token []byte, name string, zone string) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "putNamed", container, signature, publicKey, token, name, zone)
+}
+
+// PutNamedUnsigned creates a transaction invoking `putNamed` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) PutNamedUnsigned(container []byte, signature []byte, publicKey *keys.PublicKey, token []byte, name string, zone string) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "putNamed", nil, container, signature, publicKey, token, name, zone)
+}
+
+// SetEACL creates a transaction invoking `setEACL` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) SetEACL(eACL []byte, signature []byte, publicKey *keys.PublicKey, token []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "setEACL", eACL, signature, publicKey, token)
+}
+
+// SetEACLTransaction creates a transaction invoking `setEACL` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) SetEACLTransaction(eACL []byte, signature []byte, publicKey *keys.PublicKey, token []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "setEACL", eACL, signature, publicKey, token)
+}
+
+// SetEACLUnsigned creates a transaction invoking `setEACL` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) SetEACLUnsigned(eACL []byte, signature []byte, publicKey *keys.PublicKey, token []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "setEACL", nil, eACL, signature, publicKey, token)
+}
+
+// StartContainerEstimation creates a transaction invoking `startContainerEstimation` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) StartContainerEstimation(epoch *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "startContainerEstimation", epoch)
+}
+
+// StartContainerEstimationTransaction creates a transaction invoking `startContainerEstimation` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) StartContainerEstimationTransaction(epoch *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "startContainerEstimation", epoch)
+}
+
+// StartContainerEstimationUnsigned creates a transaction invoking `startContainerEstimation` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) StartContainerEstimationUnsigned(epoch *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "startContainerEstimation", nil, epoch)
+}
+
+// StopContainerEstimation creates a transaction invoking `stopContainerEstimation` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) StopContainerEstimation(epoch *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "stopContainerEstimation", epoch)
+}
+
+// StopContainerEstimationTransaction creates a transaction invoking `stopContainerEstimation` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) StopContainerEstimationTransaction(epoch *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "stopContainerEstimation", epoch)
+}
+
+// StopContainerEstimationUnsigned creates a transaction invoking `stopContainerEstimation` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) StopContainerEstimationUnsigned(epoch *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "stopContainerEstimation", nil, epoch)
+}
+
+// Update creates a transaction invoking `update` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Update(script []byte, manifest []byte, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateUnsigned(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, script, manifest, data)
+}
+
+// PutSuccessEventsFromApplicationLog retrieves a set of all emitted events
+// with "PutSuccess" name from the provided [result.ApplicationLog].
+func PutSuccessEventsFromApplicationLog(log *result.ApplicationLog) ([]*PutSuccessEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*PutSuccessEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "PutSuccess" {
+				continue
+			}
+			event := new(PutSuccessEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize PutSuccessEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to PutSuccessEvent or
+// returns an error if it's not possible to do to so.
+func (e *PutSuccessEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.ContainerID, err = func(item stackitem.Item) (util.Uint256, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint256{}, err
+		}
+		u, err := util.Uint256DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint256{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field ContainerID: %w", err)
+	}
+
+	index++
+	e.PublicKey, err = func(item stackitem.Item) (*keys.PublicKey, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return nil, err
+		}
+		k, err := keys.NewPublicKeyFromBytes(b, elliptic.P256())
+		if err != nil {
+			return nil, err
+		}
+		return k, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field PublicKey: %w", err)
+	}
+
+	return nil
+}
+
+// DeleteSuccessEventsFromApplicationLog retrieves a set of all emitted events
+// with "DeleteSuccess" name from the provided [result.ApplicationLog].
+func DeleteSuccessEventsFromApplicationLog(log *result.ApplicationLog) ([]*DeleteSuccessEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*DeleteSuccessEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "DeleteSuccess" {
+				continue
+			}
+			event := new(DeleteSuccessEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize DeleteSuccessEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to DeleteSuccessEvent or
+// returns an error if it's not possible to do to so.
+func (e *DeleteSuccessEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 1 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.ContainerID, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field ContainerID: %w", err)
+	}
+
+	return nil
+}
+
+// SetEACLSuccessEventsFromApplicationLog retrieves a set of all emitted events
+// with "SetEACLSuccess" name from the provided [result.ApplicationLog].
+func SetEACLSuccessEventsFromApplicationLog(log *result.ApplicationLog) ([]*SetEACLSuccessEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*SetEACLSuccessEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "SetEACLSuccess" {
+				continue
+			}
+			event := new(SetEACLSuccessEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize SetEACLSuccessEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to SetEACLSuccessEvent or
+// returns an error if it's not possible to do to so.
+func (e *SetEACLSuccessEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.ContainerID, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field ContainerID: %w", err)
+	}
+
+	index++
+	e.PublicKey, err = func(item stackitem.Item) (*keys.PublicKey, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return nil, err
+		}
+		k, err := keys.NewPublicKeyFromBytes(b, elliptic.P256())
+		if err != nil {
+			return nil, err
+		}
+		return k, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field PublicKey: %w", err)
+	}
+
+	return nil
+}
+
+// StartEstimationEventsFromApplicationLog retrieves a set of all emitted events
+// with "StartEstimation" name from the provided [result.ApplicationLog].
+func StartEstimationEventsFromApplicationLog(log *result.ApplicationLog) ([]*StartEstimationEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*StartEstimationEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "StartEstimation" {
+				continue
+			}
+			event := new(StartEstimationEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize StartEstimationEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to StartEstimationEvent or
+// returns an error if it's not possible to do to so.
+func (e *StartEstimationEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 1 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Epoch, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Epoch: %w", err)
+	}
+
+	return nil
+}
+
+// StopEstimationEventsFromApplicationLog retrieves a set of all emitted events
+// with "StopEstimation" name from the provided [result.ApplicationLog].
+func StopEstimationEventsFromApplicationLog(log *result.ApplicationLog) ([]*StopEstimationEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*StopEstimationEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "StopEstimation" {
+				continue
+			}
+			event := new(StopEstimationEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize StopEstimationEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to StopEstimationEvent or
+// returns an error if it's not possible to do to so.
+func (e *StopEstimationEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 1 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Epoch, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Epoch: %w", err)
+	}
+
+	return nil
+}

rpcclient/frostfs/client.go

@@ -0,0 +1,846 @@
+// Code generated by neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]; DO NOT EDIT.
+
+// Package frostfs contains RPC wrappers for FrostFS contract.
+package frostfs
+
+import (
+	"errors"
+	"fmt"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"math/big"
+)
+
+// DepositEvent represents "Deposit" event emitted by the contract.
+type DepositEvent struct {
+	From     util.Uint160
+	Amount   *big.Int
+	Receiver util.Uint160
+	TxHash   util.Uint256
+}
+
+// WithdrawEvent represents "Withdraw" event emitted by the contract.
+type WithdrawEvent struct {
+	User   util.Uint160
+	Amount *big.Int
+	TxHash util.Uint256
+}
+
+// ChequeEvent represents "Cheque" event emitted by the contract.
+type ChequeEvent struct {
+	Id          []byte
+	User        util.Uint160
+	Amount      *big.Int
+	LockAccount []byte
+}
+
+// BindEvent represents "Bind" event emitted by the contract.
+type BindEvent struct {
+	User []byte
+	Keys []any
+}
+
+// UnbindEvent represents "Unbind" event emitted by the contract.
+type UnbindEvent struct {
+	User []byte
+	Keys []any
+}
+
+// AlphabetUpdateEvent represents "AlphabetUpdate" event emitted by the contract.
+type AlphabetUpdateEvent struct {
+	Id       []byte
+	Alphabet []any
+}
+
+// SetConfigEvent represents "SetConfig" event emitted by the contract.
+type SetConfigEvent struct {
+	Id    []byte
+	Key   []byte
+	Value []byte
+}
+
+// Invoker is used by ContractReader to call various safe methods.
+type Invoker interface {
+	Call(contract util.Uint160, operation string, params ...any) (*result.Invoke, error)
+}
+
+// Actor is used by Contract to call state-changing methods.
+type Actor interface {
+	Invoker
+
+	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
+	MakeRun(script []byte) (*transaction.Transaction, error)
+	MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error)
+	MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
+	SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error)
+	SendRun(script []byte) (util.Uint256, uint32, error)
+}
+
+// ContractReader implements safe contract methods.
+type ContractReader struct {
+	invoker Invoker
+	hash    util.Uint160
+}
+
+// Contract implements all contract methods.
+type Contract struct {
+	ContractReader
+	actor Actor
+	hash  util.Uint160
+}
+
+// NewReader creates an instance of ContractReader using provided contract hash and the given Invoker.
+func NewReader(invoker Invoker, hash util.Uint160) *ContractReader {
+	return &ContractReader{invoker, hash}
+}
+
+// New creates an instance of Contract using provided contract hash and the given Actor.
+func New(actor Actor, hash util.Uint160) *Contract {
+	return &Contract{ContractReader{actor, hash}, actor, hash}
+}
+
+// Config invokes `config` method of contract.
+func (c *ContractReader) Config(key []byte) (any, error) {
+	return func(item stackitem.Item, err error) (any, error) {
+		if err != nil {
+			return nil, err
+		}
+		return item.Value(), error(nil)
+	}(unwrap.Item(c.invoker.Call(c.hash, "config", key)))
+}
+
+// InnerRingCandidates invokes `innerRingCandidates` method of contract.
+func (c *ContractReader) InnerRingCandidates() ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "innerRingCandidates"))
+}
+
+// ListConfig invokes `listConfig` method of contract.
+func (c *ContractReader) ListConfig() ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "listConfig"))
+}
+
+// Version invokes `version` method of contract.
+func (c *ContractReader) Version() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "version"))
+}
+
+// Bind creates a transaction invoking `bind` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Bind(user []byte, keys []any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "bind", user, keys)
+}
+
+// BindTransaction creates a transaction invoking `bind` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) BindTransaction(user []byte, keys []any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "bind", user, keys)
+}
+
+// BindUnsigned creates a transaction invoking `bind` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) BindUnsigned(user []byte, keys []any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "bind", nil, user, keys)
+}
+
+// Cheque creates a transaction invoking `cheque` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Cheque(id []byte, user util.Uint160, amount *big.Int, lockAcc []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "cheque", id, user, amount, lockAcc)
+}
+
+// ChequeTransaction creates a transaction invoking `cheque` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) ChequeTransaction(id []byte, user util.Uint160, amount *big.Int, lockAcc []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "cheque", id, user, amount, lockAcc)
+}
+
+// ChequeUnsigned creates a transaction invoking `cheque` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) ChequeUnsigned(id []byte, user util.Uint160, amount *big.Int, lockAcc []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "cheque", nil, id, user, amount, lockAcc)
+}
+
+// InnerRingCandidateAdd creates a transaction invoking `innerRingCandidateAdd` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) InnerRingCandidateAdd(key *keys.PublicKey) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "innerRingCandidateAdd", key)
+}
+
+// InnerRingCandidateAddTransaction creates a transaction invoking `innerRingCandidateAdd` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) InnerRingCandidateAddTransaction(key *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "innerRingCandidateAdd", key)
+}
+
+// InnerRingCandidateAddUnsigned creates a transaction invoking `innerRingCandidateAdd` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) InnerRingCandidateAddUnsigned(key *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "innerRingCandidateAdd", nil, key)
+}
+
+// InnerRingCandidateRemove creates a transaction invoking `innerRingCandidateRemove` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) InnerRingCandidateRemove(key *keys.PublicKey) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "innerRingCandidateRemove", key)
+}
+
+// InnerRingCandidateRemoveTransaction creates a transaction invoking `innerRingCandidateRemove` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) InnerRingCandidateRemoveTransaction(key *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "innerRingCandidateRemove", key)
+}
+
+// InnerRingCandidateRemoveUnsigned creates a transaction invoking `innerRingCandidateRemove` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) InnerRingCandidateRemoveUnsigned(key *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "innerRingCandidateRemove", nil, key)
+}
+
+// SetConfig creates a transaction invoking `setConfig` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) SetConfig(id []byte, key []byte, val []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "setConfig", id, key, val)
+}
+
+// SetConfigTransaction creates a transaction invoking `setConfig` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) SetConfigTransaction(id []byte, key []byte, val []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "setConfig", id, key, val)
+}
+
+// SetConfigUnsigned creates a transaction invoking `setConfig` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) SetConfigUnsigned(id []byte, key []byte, val []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "setConfig", nil, id, key, val)
+}
+
+// Unbind creates a transaction invoking `unbind` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Unbind(user []byte, keys []any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "unbind", user, keys)
+}
+
+// UnbindTransaction creates a transaction invoking `unbind` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UnbindTransaction(user []byte, keys []any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "unbind", user, keys)
+}
+
+// UnbindUnsigned creates a transaction invoking `unbind` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UnbindUnsigned(user []byte, keys []any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "unbind", nil, user, keys)
+}
+
+// Update creates a transaction invoking `update` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Update(script []byte, manifest []byte, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateUnsigned(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, script, manifest, data)
+}
+
+// Withdraw creates a transaction invoking `withdraw` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Withdraw(user util.Uint160, amount *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "withdraw", user, amount)
+}
+
+// WithdrawTransaction creates a transaction invoking `withdraw` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) WithdrawTransaction(user util.Uint160, amount *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "withdraw", user, amount)
+}
+
+// WithdrawUnsigned creates a transaction invoking `withdraw` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) WithdrawUnsigned(user util.Uint160, amount *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "withdraw", nil, user, amount)
+}
+
+// DepositEventsFromApplicationLog retrieves a set of all emitted events
+// with "Deposit" name from the provided [result.ApplicationLog].
+func DepositEventsFromApplicationLog(log *result.ApplicationLog) ([]*DepositEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*DepositEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "Deposit" {
+				continue
+			}
+			event := new(DepositEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize DepositEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to DepositEvent or
+// returns an error if it's not possible to do to so.
+func (e *DepositEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 4 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.From, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field From: %w", err)
+	}
+
+	index++
+	e.Amount, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Amount: %w", err)
+	}
+
+	index++
+	e.Receiver, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field Receiver: %w", err)
+	}
+
+	index++
+	e.TxHash, err = func(item stackitem.Item) (util.Uint256, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint256{}, err
+		}
+		u, err := util.Uint256DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint256{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field TxHash: %w", err)
+	}
+
+	return nil
+}
+
+// WithdrawEventsFromApplicationLog retrieves a set of all emitted events
+// with "Withdraw" name from the provided [result.ApplicationLog].
+func WithdrawEventsFromApplicationLog(log *result.ApplicationLog) ([]*WithdrawEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*WithdrawEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "Withdraw" {
+				continue
+			}
+			event := new(WithdrawEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize WithdrawEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to WithdrawEvent or
+// returns an error if it's not possible to do to so.
+func (e *WithdrawEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 3 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.User, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field User: %w", err)
+	}
+
+	index++
+	e.Amount, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Amount: %w", err)
+	}
+
+	index++
+	e.TxHash, err = func(item stackitem.Item) (util.Uint256, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint256{}, err
+		}
+		u, err := util.Uint256DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint256{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field TxHash: %w", err)
+	}
+
+	return nil
+}
+
+// ChequeEventsFromApplicationLog retrieves a set of all emitted events
+// with "Cheque" name from the provided [result.ApplicationLog].
+func ChequeEventsFromApplicationLog(log *result.ApplicationLog) ([]*ChequeEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*ChequeEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "Cheque" {
+				continue
+			}
+			event := new(ChequeEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize ChequeEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to ChequeEvent or
+// returns an error if it's not possible to do to so.
+func (e *ChequeEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 4 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Id, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field Id: %w", err)
+	}
+
+	index++
+	e.User, err = func(item stackitem.Item) (util.Uint160, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		u, err := util.Uint160DecodeBytesBE(b)
+		if err != nil {
+			return util.Uint160{}, err
+		}
+		return u, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field User: %w", err)
+	}
+
+	index++
+	e.Amount, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Amount: %w", err)
+	}
+
+	index++
+	e.LockAccount, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field LockAccount: %w", err)
+	}
+
+	return nil
+}
+
+// BindEventsFromApplicationLog retrieves a set of all emitted events
+// with "Bind" name from the provided [result.ApplicationLog].
+func BindEventsFromApplicationLog(log *result.ApplicationLog) ([]*BindEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*BindEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "Bind" {
+				continue
+			}
+			event := new(BindEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize BindEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to BindEvent or
+// returns an error if it's not possible to do to so.
+func (e *BindEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.User, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field User: %w", err)
+	}
+
+	index++
+	e.Keys, err = func(item stackitem.Item) ([]any, error) {
+		arr, ok := item.Value().([]stackitem.Item)
+		if !ok {
+			return nil, errors.New("not an array")
+		}
+		res := make([]any, len(arr))
+		for i := range res {
+			res[i], err = arr[i].Value(), error(nil)
+			if err != nil {
+				return nil, fmt.Errorf("item %d: %w", i, err)
+			}
+		}
+		return res, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field Keys: %w", err)
+	}
+
+	return nil
+}
+
+// UnbindEventsFromApplicationLog retrieves a set of all emitted events
+// with "Unbind" name from the provided [result.ApplicationLog].
+func UnbindEventsFromApplicationLog(log *result.ApplicationLog) ([]*UnbindEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*UnbindEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "Unbind" {
+				continue
+			}
+			event := new(UnbindEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize UnbindEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to UnbindEvent or
+// returns an error if it's not possible to do to so.
+func (e *UnbindEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.User, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field User: %w", err)
+	}
+
+	index++
+	e.Keys, err = func(item stackitem.Item) ([]any, error) {
+		arr, ok := item.Value().([]stackitem.Item)
+		if !ok {
+			return nil, errors.New("not an array")
+		}
+		res := make([]any, len(arr))
+		for i := range res {
+			res[i], err = arr[i].Value(), error(nil)
+			if err != nil {
+				return nil, fmt.Errorf("item %d: %w", i, err)
+			}
+		}
+		return res, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field Keys: %w", err)
+	}
+
+	return nil
+}
+
+// AlphabetUpdateEventsFromApplicationLog retrieves a set of all emitted events
+// with "AlphabetUpdate" name from the provided [result.ApplicationLog].
+func AlphabetUpdateEventsFromApplicationLog(log *result.ApplicationLog) ([]*AlphabetUpdateEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*AlphabetUpdateEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "AlphabetUpdate" {
+				continue
+			}
+			event := new(AlphabetUpdateEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize AlphabetUpdateEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to AlphabetUpdateEvent or
+// returns an error if it's not possible to do to so.
+func (e *AlphabetUpdateEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Id, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field Id: %w", err)
+	}
+
+	index++
+	e.Alphabet, err = func(item stackitem.Item) ([]any, error) {
+		arr, ok := item.Value().([]stackitem.Item)
+		if !ok {
+			return nil, errors.New("not an array")
+		}
+		res := make([]any, len(arr))
+		for i := range res {
+			res[i], err = arr[i].Value(), error(nil)
+			if err != nil {
+				return nil, fmt.Errorf("item %d: %w", i, err)
+			}
+		}
+		return res, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field Alphabet: %w", err)
+	}
+
+	return nil
+}
+
+// SetConfigEventsFromApplicationLog retrieves a set of all emitted events
+// with "SetConfig" name from the provided [result.ApplicationLog].
+func SetConfigEventsFromApplicationLog(log *result.ApplicationLog) ([]*SetConfigEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*SetConfigEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "SetConfig" {
+				continue
+			}
+			event := new(SetConfigEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize SetConfigEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to SetConfigEvent or
+// returns an error if it's not possible to do to so.
+func (e *SetConfigEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 3 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Id, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field Id: %w", err)
+	}
+
+	index++
+	e.Key, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field Key: %w", err)
+	}
+
+	index++
+	e.Value, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field Value: %w", err)
+	}
+
+	return nil
+}

rpcclient/netmap/client.go

@@ -0,0 +1,629 @@
+// Code generated by neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]; DO NOT EDIT.
+
+// Package netmap contains RPC wrappers for Netmap contract.
+package netmap
+
+import (
+	"crypto/elliptic"
+	"errors"
+	"fmt"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"math/big"
+)
+
+// AddPeerEvent represents "AddPeer" event emitted by the contract.
+type AddPeerEvent struct {
+	NodeInfo []byte
+}
+
+// AddPeerSuccessEvent represents "AddPeerSuccess" event emitted by the contract.
+type AddPeerSuccessEvent struct {
+	PublicKey *keys.PublicKey
+}
+
+// UpdateStateEvent represents "UpdateState" event emitted by the contract.
+type UpdateStateEvent struct {
+	State     *big.Int
+	PublicKey *keys.PublicKey
+}
+
+// UpdateStateSuccessEvent represents "UpdateStateSuccess" event emitted by the contract.
+type UpdateStateSuccessEvent struct {
+	PublicKey *keys.PublicKey
+	State     *big.Int
+}
+
+// NewEpochEvent represents "NewEpoch" event emitted by the contract.
+type NewEpochEvent struct {
+	Epoch *big.Int
+}
+
+// Invoker is used by ContractReader to call various safe methods.
+type Invoker interface {
+	Call(contract util.Uint160, operation string, params ...any) (*result.Invoke, error)
+}
+
+// Actor is used by Contract to call state-changing methods.
+type Actor interface {
+	Invoker
+
+	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
+	MakeRun(script []byte) (*transaction.Transaction, error)
+	MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error)
+	MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
+	SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error)
+	SendRun(script []byte) (util.Uint256, uint32, error)
+}
+
+// ContractReader implements safe contract methods.
+type ContractReader struct {
+	invoker Invoker
+	hash    util.Uint160
+}
+
+// Contract implements all contract methods.
+type Contract struct {
+	ContractReader
+	actor Actor
+	hash  util.Uint160
+}
+
+// NewReader creates an instance of ContractReader using provided contract hash and the given Invoker.
+func NewReader(invoker Invoker, hash util.Uint160) *ContractReader {
+	return &ContractReader{invoker, hash}
+}
+
+// New creates an instance of Contract using provided contract hash and the given Actor.
+func New(actor Actor, hash util.Uint160) *Contract {
+	return &Contract{ContractReader{actor, hash}, actor, hash}
+}
+
+// Config invokes `config` method of contract.
+func (c *ContractReader) Config(key []byte) (any, error) {
+	return func(item stackitem.Item, err error) (any, error) {
+		if err != nil {
+			return nil, err
+		}
+		return item.Value(), error(nil)
+	}(unwrap.Item(c.invoker.Call(c.hash, "config", key)))
+}
+
+// Epoch invokes `epoch` method of contract.
+func (c *ContractReader) Epoch() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "epoch"))
+}
+
+// ListConfig invokes `listConfig` method of contract.
+func (c *ContractReader) ListConfig() ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "listConfig"))
+}
+
+// Netmap invokes `netmap` method of contract.
+func (c *ContractReader) Netmap() ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "netmap"))
+}
+
+// NetmapCandidates invokes `netmapCandidates` method of contract.
+func (c *ContractReader) NetmapCandidates() ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "netmapCandidates"))
+}
+
+// Snapshot invokes `snapshot` method of contract.
+func (c *ContractReader) Snapshot(diff *big.Int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "snapshot", diff))
+}
+
+// SnapshotByEpoch invokes `snapshotByEpoch` method of contract.
+func (c *ContractReader) SnapshotByEpoch(epoch *big.Int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "snapshotByEpoch", epoch))
+}
+
+// Version invokes `version` method of contract.
+func (c *ContractReader) Version() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "version"))
+}
+
+// AddPeer creates a transaction invoking `addPeer` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) AddPeer(nodeInfo []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "addPeer", nodeInfo)
+}
+
+// AddPeerTransaction creates a transaction invoking `addPeer` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) AddPeerTransaction(nodeInfo []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "addPeer", nodeInfo)
+}
+
+// AddPeerUnsigned creates a transaction invoking `addPeer` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) AddPeerUnsigned(nodeInfo []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "addPeer", nil, nodeInfo)
+}
+
+// AddPeerIR creates a transaction invoking `addPeerIR` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) AddPeerIR(nodeInfo []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "addPeerIR", nodeInfo)
+}
+
+// AddPeerIRTransaction creates a transaction invoking `addPeerIR` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) AddPeerIRTransaction(nodeInfo []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "addPeerIR", nodeInfo)
+}
+
+// AddPeerIRUnsigned creates a transaction invoking `addPeerIR` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) AddPeerIRUnsigned(nodeInfo []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "addPeerIR", nil, nodeInfo)
+}
+
+// LastEpochBlock creates a transaction invoking `lastEpochBlock` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) LastEpochBlock() (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "lastEpochBlock")
+}
+
+// LastEpochBlockTransaction creates a transaction invoking `lastEpochBlock` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) LastEpochBlockTransaction() (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "lastEpochBlock")
+}
+
+// LastEpochBlockUnsigned creates a transaction invoking `lastEpochBlock` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) LastEpochBlockUnsigned() (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "lastEpochBlock", nil)
+}
+
+// NewEpoch creates a transaction invoking `newEpoch` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) NewEpoch(epochNum *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "newEpoch", epochNum)
+}
+
+// NewEpochTransaction creates a transaction invoking `newEpoch` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) NewEpochTransaction(epochNum *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "newEpoch", epochNum)
+}
+
+// NewEpochUnsigned creates a transaction invoking `newEpoch` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) NewEpochUnsigned(epochNum *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "newEpoch", nil, epochNum)
+}
+
+// SetConfig creates a transaction invoking `setConfig` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) SetConfig(id []byte, key []byte, val []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "setConfig", id, key, val)
+}
+
+// SetConfigTransaction creates a transaction invoking `setConfig` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) SetConfigTransaction(id []byte, key []byte, val []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "setConfig", id, key, val)
+}
+
+// SetConfigUnsigned creates a transaction invoking `setConfig` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) SetConfigUnsigned(id []byte, key []byte, val []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "setConfig", nil, id, key, val)
+}
+
+// Update creates a transaction invoking `update` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Update(script []byte, manifest []byte, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateUnsigned(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, script, manifest, data)
+}
+
+// UpdateSnapshotCount creates a transaction invoking `updateSnapshotCount` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) UpdateSnapshotCount(count *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "updateSnapshotCount", count)
+}
+
+// UpdateSnapshotCountTransaction creates a transaction invoking `updateSnapshotCount` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateSnapshotCountTransaction(count *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "updateSnapshotCount", count)
+}
+
+// UpdateSnapshotCountUnsigned creates a transaction invoking `updateSnapshotCount` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateSnapshotCountUnsigned(count *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "updateSnapshotCount", nil, count)
+}
+
+// UpdateState creates a transaction invoking `updateState` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) UpdateState(state *big.Int, publicKey *keys.PublicKey) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "updateState", state, publicKey)
+}
+
+// UpdateStateTransaction creates a transaction invoking `updateState` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateStateTransaction(state *big.Int, publicKey *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "updateState", state, publicKey)
+}
+
+// UpdateStateUnsigned creates a transaction invoking `updateState` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateStateUnsigned(state *big.Int, publicKey *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "updateState", nil, state, publicKey)
+}
+
+// UpdateStateIR creates a transaction invoking `updateStateIR` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) UpdateStateIR(state *big.Int, publicKey *keys.PublicKey) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "updateStateIR", state, publicKey)
+}
+
+// UpdateStateIRTransaction creates a transaction invoking `updateStateIR` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateStateIRTransaction(state *big.Int, publicKey *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "updateStateIR", state, publicKey)
+}
+
+// UpdateStateIRUnsigned creates a transaction invoking `updateStateIR` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateStateIRUnsigned(state *big.Int, publicKey *keys.PublicKey) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "updateStateIR", nil, state, publicKey)
+}
+
+// AddPeerEventsFromApplicationLog retrieves a set of all emitted events
+// with "AddPeer" name from the provided [result.ApplicationLog].
+func AddPeerEventsFromApplicationLog(log *result.ApplicationLog) ([]*AddPeerEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*AddPeerEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "AddPeer" {
+				continue
+			}
+			event := new(AddPeerEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize AddPeerEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to AddPeerEvent or
+// returns an error if it's not possible to do to so.
+func (e *AddPeerEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 1 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.NodeInfo, err = arr[index].TryBytes()
+	if err != nil {
+		return fmt.Errorf("field NodeInfo: %w", err)
+	}
+
+	return nil
+}
+
+// AddPeerSuccessEventsFromApplicationLog retrieves a set of all emitted events
+// with "AddPeerSuccess" name from the provided [result.ApplicationLog].
+func AddPeerSuccessEventsFromApplicationLog(log *result.ApplicationLog) ([]*AddPeerSuccessEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*AddPeerSuccessEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "AddPeerSuccess" {
+				continue
+			}
+			event := new(AddPeerSuccessEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize AddPeerSuccessEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to AddPeerSuccessEvent or
+// returns an error if it's not possible to do to so.
+func (e *AddPeerSuccessEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 1 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.PublicKey, err = func(item stackitem.Item) (*keys.PublicKey, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return nil, err
+		}
+		k, err := keys.NewPublicKeyFromBytes(b, elliptic.P256())
+		if err != nil {
+			return nil, err
+		}
+		return k, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field PublicKey: %w", err)
+	}
+
+	return nil
+}
+
+// UpdateStateEventsFromApplicationLog retrieves a set of all emitted events
+// with "UpdateState" name from the provided [result.ApplicationLog].
+func UpdateStateEventsFromApplicationLog(log *result.ApplicationLog) ([]*UpdateStateEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*UpdateStateEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "UpdateState" {
+				continue
+			}
+			event := new(UpdateStateEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize UpdateStateEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to UpdateStateEvent or
+// returns an error if it's not possible to do to so.
+func (e *UpdateStateEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.State, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field State: %w", err)
+	}
+
+	index++
+	e.PublicKey, err = func(item stackitem.Item) (*keys.PublicKey, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return nil, err
+		}
+		k, err := keys.NewPublicKeyFromBytes(b, elliptic.P256())
+		if err != nil {
+			return nil, err
+		}
+		return k, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field PublicKey: %w", err)
+	}
+
+	return nil
+}
+
+// UpdateStateSuccessEventsFromApplicationLog retrieves a set of all emitted events
+// with "UpdateStateSuccess" name from the provided [result.ApplicationLog].
+func UpdateStateSuccessEventsFromApplicationLog(log *result.ApplicationLog) ([]*UpdateStateSuccessEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*UpdateStateSuccessEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "UpdateStateSuccess" {
+				continue
+			}
+			event := new(UpdateStateSuccessEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize UpdateStateSuccessEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to UpdateStateSuccessEvent or
+// returns an error if it's not possible to do to so.
+func (e *UpdateStateSuccessEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.PublicKey, err = func(item stackitem.Item) (*keys.PublicKey, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return nil, err
+		}
+		k, err := keys.NewPublicKeyFromBytes(b, elliptic.P256())
+		if err != nil {
+			return nil, err
+		}
+		return k, nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field PublicKey: %w", err)
+	}
+
+	index++
+	e.State, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field State: %w", err)
+	}
+
+	return nil
+}
+
+// NewEpochEventsFromApplicationLog retrieves a set of all emitted events
+// with "NewEpoch" name from the provided [result.ApplicationLog].
+func NewEpochEventsFromApplicationLog(log *result.ApplicationLog) ([]*NewEpochEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*NewEpochEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "NewEpoch" {
+				continue
+			}
+			event := new(NewEpochEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize NewEpochEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to NewEpochEvent or
+// returns an error if it's not possible to do to so.
+func (e *NewEpochEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 1 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Epoch, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Epoch: %w", err)
+	}
+
+	return nil
+}

rpcclient/nns/client.go

@@ -0,0 +1,742 @@
+// Code generated by neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]; DO NOT EDIT.
+
+// Package nameservice contains RPC wrappers for NameService contract.
+package nameservice
+
+import (
+	"errors"
+	"fmt"
+	"github.com/google/uuid"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep11"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"math/big"
+	"unicode/utf8"
+)
+
+// RegisterDomainEvent represents "RegisterDomain" event emitted by the contract.
+type RegisterDomainEvent struct {
+	Name string
+}
+
+// AddRecordEvent represents "AddRecord" event emitted by the contract.
+type AddRecordEvent struct {
+	Name string
+	Type *big.Int
+}
+
+// DeleteRecordEvent represents "DeleteRecord" event emitted by the contract.
+type DeleteRecordEvent struct {
+	Name string
+	Type *big.Int
+}
+
+// DeleteRecordsEvent represents "DeleteRecords" event emitted by the contract.
+type DeleteRecordsEvent struct {
+	Name string
+	Type *big.Int
+}
+
+// DeleteDomainEvent represents "DeleteDomain" event emitted by the contract.
+type DeleteDomainEvent struct {
+	Name string
+}
+
+// Invoker is used by ContractReader to call various safe methods.
+type Invoker interface {
+	nep11.Invoker
+}
+
+// Actor is used by Contract to call state-changing methods.
+type Actor interface {
+	Invoker
+
+	nep11.Actor
+
+	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
+	MakeRun(script []byte) (*transaction.Transaction, error)
+	MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error)
+	MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
+	SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error)
+	SendRun(script []byte) (util.Uint256, uint32, error)
+}
+
+// ContractReader implements safe contract methods.
+type ContractReader struct {
+	nep11.NonDivisibleReader
+	invoker Invoker
+	hash    util.Uint160
+}
+
+// Contract implements all contract methods.
+type Contract struct {
+	ContractReader
+	nep11.BaseWriter
+	actor Actor
+	hash  util.Uint160
+}
+
+// NewReader creates an instance of ContractReader using provided contract hash and the given Invoker.
+func NewReader(invoker Invoker, hash util.Uint160) *ContractReader {
+	return &ContractReader{*nep11.NewNonDivisibleReader(invoker, hash), invoker, hash}
+}
+
+// New creates an instance of Contract using provided contract hash and the given Actor.
+func New(actor Actor, hash util.Uint160) *Contract {
+	var nep11ndt = nep11.NewNonDivisible(actor, hash)
+	return &Contract{ContractReader{nep11ndt.NonDivisibleReader, actor, hash}, nep11ndt.BaseWriter, actor, hash}
+}
+
+// GetAllRecords invokes `getAllRecords` method of contract.
+func (c *ContractReader) GetAllRecords(name string) (uuid.UUID, result.Iterator, error) {
+	return unwrap.SessionIterator(c.invoker.Call(c.hash, "getAllRecords", name))
+}
+
+// GetAllRecordsExpanded is similar to GetAllRecords (uses the same contract
+// method), but can be useful if the server used doesn't support sessions and
+// doesn't expand iterators. It creates a script that will get the specified
+// number of result items from the iterator right in the VM and return them to
+// you. It's only limited by VM stack and GAS available for RPC invocations.
+func (c *ContractReader) GetAllRecordsExpanded(name string, _numOfIteratorItems int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "getAllRecords", _numOfIteratorItems, name))
+}
+
+// GetPrice invokes `getPrice` method of contract.
+func (c *ContractReader) GetPrice() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "getPrice"))
+}
+
+// GetRecords invokes `getRecords` method of contract.
+func (c *ContractReader) GetRecords(name string, typ *big.Int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "getRecords", name, typ))
+}
+
+// IsAvailable invokes `isAvailable` method of contract.
+func (c *ContractReader) IsAvailable(name string) (bool, error) {
+	return unwrap.Bool(c.invoker.Call(c.hash, "isAvailable", name))
+}
+
+// Resolve invokes `resolve` method of contract.
+func (c *ContractReader) Resolve(name string, typ *big.Int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "resolve", name, typ))
+}
+
+// Roots invokes `roots` method of contract.
+func (c *ContractReader) Roots() (uuid.UUID, result.Iterator, error) {
+	return unwrap.SessionIterator(c.invoker.Call(c.hash, "roots"))
+}
+
+// RootsExpanded is similar to Roots (uses the same contract
+// method), but can be useful if the server used doesn't support sessions and
+// doesn't expand iterators. It creates a script that will get the specified
+// number of result items from the iterator right in the VM and return them to
+// you. It's only limited by VM stack and GAS available for RPC invocations.
+func (c *ContractReader) RootsExpanded(_numOfIteratorItems int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "roots", _numOfIteratorItems))
+}
+
+// Version invokes `version` method of contract.
+func (c *ContractReader) Version() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "version"))
+}
+
+// AddRecord creates a transaction invoking `addRecord` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) AddRecord(name string, typ *big.Int, data string) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "addRecord", name, typ, data)
+}
+
+// AddRecordTransaction creates a transaction invoking `addRecord` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) AddRecordTransaction(name string, typ *big.Int, data string) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "addRecord", name, typ, data)
+}
+
+// AddRecordUnsigned creates a transaction invoking `addRecord` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) AddRecordUnsigned(name string, typ *big.Int, data string) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "addRecord", nil, name, typ, data)
+}
+
+// DeleteDomain creates a transaction invoking `deleteDomain` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) DeleteDomain(name string) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "deleteDomain", name)
+}
+
+// DeleteDomainTransaction creates a transaction invoking `deleteDomain` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) DeleteDomainTransaction(name string) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "deleteDomain", name)
+}
+
+// DeleteDomainUnsigned creates a transaction invoking `deleteDomain` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) DeleteDomainUnsigned(name string) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "deleteDomain", nil, name)
+}
+
+func (c *Contract) scriptForDeleteRecord(name string, typ *big.Int, data string) ([]byte, error) {
+	return smartcontract.CreateCallWithAssertScript(c.hash, "deleteRecord", name, typ, data)
+}
+
+// DeleteRecord creates a transaction invoking `deleteRecord` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) DeleteRecord(name string, typ *big.Int, data string) (util.Uint256, uint32, error) {
+	script, err := c.scriptForDeleteRecord(name, typ, data)
+	if err != nil {
+		return util.Uint256{}, 0, err
+	}
+	return c.actor.SendRun(script)
+}
+
+// DeleteRecordTransaction creates a transaction invoking `deleteRecord` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) DeleteRecordTransaction(name string, typ *big.Int, data string) (*transaction.Transaction, error) {
+	script, err := c.scriptForDeleteRecord(name, typ, data)
+	if err != nil {
+		return nil, err
+	}
+	return c.actor.MakeRun(script)
+}
+
+// DeleteRecordUnsigned creates a transaction invoking `deleteRecord` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) DeleteRecordUnsigned(name string, typ *big.Int, data string) (*transaction.Transaction, error) {
+	script, err := c.scriptForDeleteRecord(name, typ, data)
+	if err != nil {
+		return nil, err
+	}
+	return c.actor.MakeUnsignedRun(script, nil)
+}
+
+// DeleteRecords creates a transaction invoking `deleteRecords` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) DeleteRecords(name string, typ *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "deleteRecords", name, typ)
+}
+
+// DeleteRecordsTransaction creates a transaction invoking `deleteRecords` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) DeleteRecordsTransaction(name string, typ *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "deleteRecords", name, typ)
+}
+
+// DeleteRecordsUnsigned creates a transaction invoking `deleteRecords` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) DeleteRecordsUnsigned(name string, typ *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "deleteRecords", nil, name, typ)
+}
+
+func (c *Contract) scriptForRegister(name string, owner util.Uint160, email string, refresh *big.Int, retry *big.Int, expire *big.Int, ttl *big.Int) ([]byte, error) {
+	return smartcontract.CreateCallWithAssertScript(c.hash, "register", name, owner, email, refresh, retry, expire, ttl)
+}
+
+// Register creates a transaction invoking `register` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Register(name string, owner util.Uint160, email string, refresh *big.Int, retry *big.Int, expire *big.Int, ttl *big.Int) (util.Uint256, uint32, error) {
+	script, err := c.scriptForRegister(name, owner, email, refresh, retry, expire, ttl)
+	if err != nil {
+		return util.Uint256{}, 0, err
+	}
+	return c.actor.SendRun(script)
+}
+
+// RegisterTransaction creates a transaction invoking `register` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) RegisterTransaction(name string, owner util.Uint160, email string, refresh *big.Int, retry *big.Int, expire *big.Int, ttl *big.Int) (*transaction.Transaction, error) {
+	script, err := c.scriptForRegister(name, owner, email, refresh, retry, expire, ttl)
+	if err != nil {
+		return nil, err
+	}
+	return c.actor.MakeRun(script)
+}
+
+// RegisterUnsigned creates a transaction invoking `register` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) RegisterUnsigned(name string, owner util.Uint160, email string, refresh *big.Int, retry *big.Int, expire *big.Int, ttl *big.Int) (*transaction.Transaction, error) {
+	script, err := c.scriptForRegister(name, owner, email, refresh, retry, expire, ttl)
+	if err != nil {
+		return nil, err
+	}
+	return c.actor.MakeUnsignedRun(script, nil)
+}
+
+// Renew creates a transaction invoking `renew` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Renew(name string) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "renew", name)
+}
+
+// RenewTransaction creates a transaction invoking `renew` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) RenewTransaction(name string) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "renew", name)
+}
+
+// RenewUnsigned creates a transaction invoking `renew` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) RenewUnsigned(name string) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "renew", nil, name)
+}
+
+// SetAdmin creates a transaction invoking `setAdmin` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) SetAdmin(name string, admin util.Uint160) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "setAdmin", name, admin)
+}
+
+// SetAdminTransaction creates a transaction invoking `setAdmin` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) SetAdminTransaction(name string, admin util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "setAdmin", name, admin)
+}
+
+// SetAdminUnsigned creates a transaction invoking `setAdmin` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) SetAdminUnsigned(name string, admin util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "setAdmin", nil, name, admin)
+}
+
+// SetPrice creates a transaction invoking `setPrice` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) SetPrice(price *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "setPrice", price)
+}
+
+// SetPriceTransaction creates a transaction invoking `setPrice` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) SetPriceTransaction(price *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "setPrice", price)
+}
+
+// SetPriceUnsigned creates a transaction invoking `setPrice` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) SetPriceUnsigned(price *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "setPrice", nil, price)
+}
+
+// SetRecord creates a transaction invoking `setRecord` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) SetRecord(name string, typ *big.Int, id *big.Int, data string) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "setRecord", name, typ, id, data)
+}
+
+// SetRecordTransaction creates a transaction invoking `setRecord` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) SetRecordTransaction(name string, typ *big.Int, id *big.Int, data string) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "setRecord", name, typ, id, data)
+}
+
+// SetRecordUnsigned creates a transaction invoking `setRecord` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) SetRecordUnsigned(name string, typ *big.Int, id *big.Int, data string) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "setRecord", nil, name, typ, id, data)
+}
+
+// Update creates a transaction invoking `update` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Update(nef []byte, manifest string, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", nef, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(nef []byte, manifest string, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", nef, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateUnsigned(nef []byte, manifest string, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, nef, manifest, data)
+}
+
+// UpdateSOA creates a transaction invoking `updateSOA` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) UpdateSOA(name string, email string, refresh *big.Int, retry *big.Int, expire *big.Int, ttl *big.Int) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "updateSOA", name, email, refresh, retry, expire, ttl)
+}
+
+// UpdateSOATransaction creates a transaction invoking `updateSOA` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateSOATransaction(name string, email string, refresh *big.Int, retry *big.Int, expire *big.Int, ttl *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "updateSOA", name, email, refresh, retry, expire, ttl)
+}
+
+// UpdateSOAUnsigned creates a transaction invoking `updateSOA` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateSOAUnsigned(name string, email string, refresh *big.Int, retry *big.Int, expire *big.Int, ttl *big.Int) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "updateSOA", nil, name, email, refresh, retry, expire, ttl)
+}
+
+// RegisterDomainEventsFromApplicationLog retrieves a set of all emitted events
+// with "RegisterDomain" name from the provided [result.ApplicationLog].
+func RegisterDomainEventsFromApplicationLog(log *result.ApplicationLog) ([]*RegisterDomainEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*RegisterDomainEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "RegisterDomain" {
+				continue
+			}
+			event := new(RegisterDomainEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize RegisterDomainEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to RegisterDomainEvent or
+// returns an error if it's not possible to do to so.
+func (e *RegisterDomainEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 1 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Name, err = func(item stackitem.Item) (string, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return "", err
+		}
+		if !utf8.Valid(b) {
+			return "", errors.New("not a UTF-8 string")
+		}
+		return string(b), nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field Name: %w", err)
+	}
+
+	return nil
+}
+
+// AddRecordEventsFromApplicationLog retrieves a set of all emitted events
+// with "AddRecord" name from the provided [result.ApplicationLog].
+func AddRecordEventsFromApplicationLog(log *result.ApplicationLog) ([]*AddRecordEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*AddRecordEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "AddRecord" {
+				continue
+			}
+			event := new(AddRecordEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize AddRecordEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to AddRecordEvent or
+// returns an error if it's not possible to do to so.
+func (e *AddRecordEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Name, err = func(item stackitem.Item) (string, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return "", err
+		}
+		if !utf8.Valid(b) {
+			return "", errors.New("not a UTF-8 string")
+		}
+		return string(b), nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field Name: %w", err)
+	}
+
+	index++
+	e.Type, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Type: %w", err)
+	}
+
+	return nil
+}
+
+// DeleteRecordEventsFromApplicationLog retrieves a set of all emitted events
+// with "DeleteRecord" name from the provided [result.ApplicationLog].
+func DeleteRecordEventsFromApplicationLog(log *result.ApplicationLog) ([]*DeleteRecordEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*DeleteRecordEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "DeleteRecord" {
+				continue
+			}
+			event := new(DeleteRecordEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize DeleteRecordEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to DeleteRecordEvent or
+// returns an error if it's not possible to do to so.
+func (e *DeleteRecordEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Name, err = func(item stackitem.Item) (string, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return "", err
+		}
+		if !utf8.Valid(b) {
+			return "", errors.New("not a UTF-8 string")
+		}
+		return string(b), nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field Name: %w", err)
+	}
+
+	index++
+	e.Type, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Type: %w", err)
+	}
+
+	return nil
+}
+
+// DeleteRecordsEventsFromApplicationLog retrieves a set of all emitted events
+// with "DeleteRecords" name from the provided [result.ApplicationLog].
+func DeleteRecordsEventsFromApplicationLog(log *result.ApplicationLog) ([]*DeleteRecordsEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*DeleteRecordsEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "DeleteRecords" {
+				continue
+			}
+			event := new(DeleteRecordsEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize DeleteRecordsEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to DeleteRecordsEvent or
+// returns an error if it's not possible to do to so.
+func (e *DeleteRecordsEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 2 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Name, err = func(item stackitem.Item) (string, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return "", err
+		}
+		if !utf8.Valid(b) {
+			return "", errors.New("not a UTF-8 string")
+		}
+		return string(b), nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field Name: %w", err)
+	}
+
+	index++
+	e.Type, err = arr[index].TryInteger()
+	if err != nil {
+		return fmt.Errorf("field Type: %w", err)
+	}
+
+	return nil
+}
+
+// DeleteDomainEventsFromApplicationLog retrieves a set of all emitted events
+// with "DeleteDomain" name from the provided [result.ApplicationLog].
+func DeleteDomainEventsFromApplicationLog(log *result.ApplicationLog) ([]*DeleteDomainEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*DeleteDomainEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "DeleteDomain" {
+				continue
+			}
+			event := new(DeleteDomainEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize DeleteDomainEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided [stackitem.Array] to DeleteDomainEvent or
+// returns an error if it's not possible to do to so.
+func (e *DeleteDomainEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 1 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err   error
+	)
+	index++
+	e.Name, err = func(item stackitem.Item) (string, error) {
+		b, err := item.TryBytes()
+		if err != nil {
+			return "", err
+		}
+		if !utf8.Valid(b) {
+			return "", errors.New("not a UTF-8 string")
+		}
+		return string(b), nil
+	}(arr[index])
+	if err != nil {
+		return fmt.Errorf("field Name: %w", err)
+	}
+
+	return nil
+}

rpcclient/policy/client.go

@@ -0,0 +1,234 @@
+// Code generated by neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]; DO NOT EDIT.
+
+// Package ape contains RPC wrappers for APE contract.
+package ape
+
+import (
+	"github.com/google/uuid"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"math/big"
+)
+
+// Invoker is used by ContractReader to call various safe methods.
+type Invoker interface {
+	Call(contract util.Uint160, operation string, params ...any) (*result.Invoke, error)
+	CallAndExpandIterator(contract util.Uint160, method string, maxItems int, params ...any) (*result.Invoke, error)
+	TerminateSession(sessionID uuid.UUID) error
+	TraverseIterator(sessionID uuid.UUID, iterator *result.Iterator, num int) ([]stackitem.Item, error)
+}
+
+// Actor is used by Contract to call state-changing methods.
+type Actor interface {
+	Invoker
+
+	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
+	MakeRun(script []byte) (*transaction.Transaction, error)
+	MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error)
+	MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
+	SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error)
+	SendRun(script []byte) (util.Uint256, uint32, error)
+}
+
+// ContractReader implements safe contract methods.
+type ContractReader struct {
+	invoker Invoker
+	hash    util.Uint160
+}
+
+// Contract implements all contract methods.
+type Contract struct {
+	ContractReader
+	actor Actor
+	hash  util.Uint160
+}
+
+// NewReader creates an instance of ContractReader using provided contract hash and the given Invoker.
+func NewReader(invoker Invoker, hash util.Uint160) *ContractReader {
+	return &ContractReader{invoker, hash}
+}
+
+// New creates an instance of Contract using provided contract hash and the given Actor.
+func New(actor Actor, hash util.Uint160) *Contract {
+	return &Contract{ContractReader{actor, hash}, actor, hash}
+}
+
+// GetAdmin invokes `getAdmin` method of contract.
+func (c *ContractReader) GetAdmin() (util.Uint160, error) {
+	return unwrap.Uint160(c.invoker.Call(c.hash, "getAdmin"))
+}
+
+// GetChain invokes `getChain` method of contract.
+func (c *ContractReader) GetChain(entity *big.Int, entityName string, name []byte) ([]byte, error) {
+	return unwrap.Bytes(c.invoker.Call(c.hash, "getChain", entity, entityName, name))
+}
+
+// IteratorChainsByPrefix invokes `iteratorChainsByPrefix` method of contract.
+func (c *ContractReader) IteratorChainsByPrefix(entity *big.Int, entityName string, prefix []byte) (uuid.UUID, result.Iterator, error) {
+	return unwrap.SessionIterator(c.invoker.Call(c.hash, "iteratorChainsByPrefix", entity, entityName, prefix))
+}
+
+// IteratorChainsByPrefixExpanded is similar to IteratorChainsByPrefix (uses the same contract
+// method), but can be useful if the server used doesn't support sessions and
+// doesn't expand iterators. It creates a script that will get the specified
+// number of result items from the iterator right in the VM and return them to
+// you. It's only limited by VM stack and GAS available for RPC invocations.
+func (c *ContractReader) IteratorChainsByPrefixExpanded(entity *big.Int, entityName string, prefix []byte, _numOfIteratorItems int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "iteratorChainsByPrefix", _numOfIteratorItems, entity, entityName, prefix))
+}
+
+// ListChainNames invokes `listChainNames` method of contract.
+func (c *ContractReader) ListChainNames(entity *big.Int, entityName string) (uuid.UUID, result.Iterator, error) {
+	return unwrap.SessionIterator(c.invoker.Call(c.hash, "listChainNames", entity, entityName))
+}
+
+// ListChainNamesExpanded is similar to ListChainNames (uses the same contract
+// method), but can be useful if the server used doesn't support sessions and
+// doesn't expand iterators. It creates a script that will get the specified
+// number of result items from the iterator right in the VM and return them to
+// you. It's only limited by VM stack and GAS available for RPC invocations.
+func (c *ContractReader) ListChainNamesExpanded(entity *big.Int, entityName string, _numOfIteratorItems int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "listChainNames", _numOfIteratorItems, entity, entityName))
+}
+
+// ListChains invokes `listChains` method of contract.
+func (c *ContractReader) ListChains(namespace string, container string, name []byte) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "listChains", namespace, container, name))
+}
+
+// ListChainsByPrefix invokes `listChainsByPrefix` method of contract.
+func (c *ContractReader) ListChainsByPrefix(entity *big.Int, entityName string, prefix []byte) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.Call(c.hash, "listChainsByPrefix", entity, entityName, prefix))
+}
+
+// ListTargets invokes `listTargets` method of contract.
+func (c *ContractReader) ListTargets(entity *big.Int) (uuid.UUID, result.Iterator, error) {
+	return unwrap.SessionIterator(c.invoker.Call(c.hash, "listTargets", entity))
+}
+
+// ListTargetsExpanded is similar to ListTargets (uses the same contract
+// method), but can be useful if the server used doesn't support sessions and
+// doesn't expand iterators. It creates a script that will get the specified
+// number of result items from the iterator right in the VM and return them to
+// you. It's only limited by VM stack and GAS available for RPC invocations.
+func (c *ContractReader) ListTargetsExpanded(entity *big.Int, _numOfIteratorItems int) ([]stackitem.Item, error) {
+	return unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "listTargets", _numOfIteratorItems, entity))
+}
+
+// Version invokes `version` method of contract.
+func (c *ContractReader) Version() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "version"))
+}
+
+// AddChain creates a transaction invoking `addChain` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) AddChain(entity *big.Int, entityName string, name []byte, chain []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "addChain", entity, entityName, name, chain)
+}
+
+// AddChainTransaction creates a transaction invoking `addChain` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) AddChainTransaction(entity *big.Int, entityName string, name []byte, chain []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "addChain", entity, entityName, name, chain)
+}
+
+// AddChainUnsigned creates a transaction invoking `addChain` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) AddChainUnsigned(entity *big.Int, entityName string, name []byte, chain []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "addChain", nil, entity, entityName, name, chain)
+}
+
+// RemoveChain creates a transaction invoking `removeChain` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) RemoveChain(entity *big.Int, entityName string, name []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "removeChain", entity, entityName, name)
+}
+
+// RemoveChainTransaction creates a transaction invoking `removeChain` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) RemoveChainTransaction(entity *big.Int, entityName string, name []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "removeChain", entity, entityName, name)
+}
+
+// RemoveChainUnsigned creates a transaction invoking `removeChain` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) RemoveChainUnsigned(entity *big.Int, entityName string, name []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "removeChain", nil, entity, entityName, name)
+}
+
+// RemoveChainsByPrefix creates a transaction invoking `removeChainsByPrefix` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) RemoveChainsByPrefix(entity *big.Int, entityName string, name []byte) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "removeChainsByPrefix", entity, entityName, name)
+}
+
+// RemoveChainsByPrefixTransaction creates a transaction invoking `removeChainsByPrefix` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) RemoveChainsByPrefixTransaction(entity *big.Int, entityName string, name []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "removeChainsByPrefix", entity, entityName, name)
+}
+
+// RemoveChainsByPrefixUnsigned creates a transaction invoking `removeChainsByPrefix` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) RemoveChainsByPrefixUnsigned(entity *big.Int, entityName string, name []byte) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "removeChainsByPrefix", nil, entity, entityName, name)
+}
+
+// SetAdmin creates a transaction invoking `setAdmin` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) SetAdmin(addr util.Uint160) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "setAdmin", addr)
+}
+
+// SetAdminTransaction creates a transaction invoking `setAdmin` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) SetAdminTransaction(addr util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "setAdmin", addr)
+}
+
+// SetAdminUnsigned creates a transaction invoking `setAdmin` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) SetAdminUnsigned(addr util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "setAdmin", nil, addr)
+}
+
+// Update creates a transaction invoking `update` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Update(script []byte, manifest []byte, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateUnsigned(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, script, manifest, data)
+}

rpcclient/processing/client.go

@@ -0,0 +1,84 @@
+// Code generated by neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]; DO NOT EDIT.
+
+// Package multisignatureprocessing contains RPC wrappers for Multi Signature Processing contract.
+package multisignatureprocessing
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"math/big"
+)
+
+// Invoker is used by ContractReader to call various safe methods.
+type Invoker interface {
+	Call(contract util.Uint160, operation string, params ...any) (*result.Invoke, error)
+}
+
+// Actor is used by Contract to call state-changing methods.
+type Actor interface {
+	Invoker
+
+	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
+	MakeRun(script []byte) (*transaction.Transaction, error)
+	MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error)
+	MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
+	SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error)
+	SendRun(script []byte) (util.Uint256, uint32, error)
+}
+
+// ContractReader implements safe contract methods.
+type ContractReader struct {
+	invoker Invoker
+	hash    util.Uint160
+}
+
+// Contract implements all contract methods.
+type Contract struct {
+	ContractReader
+	actor Actor
+	hash  util.Uint160
+}
+
+// NewReader creates an instance of ContractReader using provided contract hash and the given Invoker.
+func NewReader(invoker Invoker, hash util.Uint160) *ContractReader {
+	return &ContractReader{invoker, hash}
+}
+
+// New creates an instance of Contract using provided contract hash and the given Actor.
+func New(actor Actor, hash util.Uint160) *Contract {
+	return &Contract{ContractReader{actor, hash}, actor, hash}
+}
+
+// Verify invokes `verify` method of contract.
+func (c *ContractReader) Verify() (bool, error) {
+	return unwrap.Bool(c.invoker.Call(c.hash, "verify"))
+}
+
+// Version invokes `version` method of contract.
+func (c *ContractReader) Version() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "version"))
+}
+
+// Update creates a transaction invoking `update` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Update(script []byte, manifest []byte, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateUnsigned(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, script, manifest, data)
+}

rpcclient/proxy/client.go

@@ -0,0 +1,128 @@
+// Code generated by neo-go contract generate-rpcwrapper --manifest <file.json> --out <file.go> [--hash <hash>] [--config <config>]; DO NOT EDIT.
+
+// Package notaryproxy contains RPC wrappers for Notary Proxy contract.
+package notaryproxy
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"math/big"
+)
+
+// Invoker is used by ContractReader to call various safe methods.
+type Invoker interface {
+	Call(contract util.Uint160, operation string, params ...any) (*result.Invoke, error)
+}
+
+// Actor is used by Contract to call state-changing methods.
+type Actor interface {
+	Invoker
+
+	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
+	MakeRun(script []byte) (*transaction.Transaction, error)
+	MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error)
+	MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
+	SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error)
+	SendRun(script []byte) (util.Uint256, uint32, error)
+}
+
+// ContractReader implements safe contract methods.
+type ContractReader struct {
+	invoker Invoker
+	hash    util.Uint160
+}
+
+// Contract implements all contract methods.
+type Contract struct {
+	ContractReader
+	actor Actor
+	hash  util.Uint160
+}
+
+// NewReader creates an instance of ContractReader using provided contract hash and the given Invoker.
+func NewReader(invoker Invoker, hash util.Uint160) *ContractReader {
+	return &ContractReader{invoker, hash}
+}
+
+// New creates an instance of Contract using provided contract hash and the given Actor.
+func New(actor Actor, hash util.Uint160) *Contract {
+	return &Contract{ContractReader{actor, hash}, actor, hash}
+}
+
+// Verify invokes `verify` method of contract.
+func (c *ContractReader) Verify() (bool, error) {
+	return unwrap.Bool(c.invoker.Call(c.hash, "verify"))
+}
+
+// Version invokes `version` method of contract.
+func (c *ContractReader) Version() (*big.Int, error) {
+	return unwrap.BigInt(c.invoker.Call(c.hash, "version"))
+}
+
+// AddAccount creates a transaction invoking `addAccount` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) AddAccount(addr util.Uint160) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "addAccount", addr)
+}
+
+// AddAccountTransaction creates a transaction invoking `addAccount` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) AddAccountTransaction(addr util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "addAccount", addr)
+}
+
+// AddAccountUnsigned creates a transaction invoking `addAccount` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) AddAccountUnsigned(addr util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "addAccount", nil, addr)
+}
+
+// RemoveAccount creates a transaction invoking `removeAccount` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) RemoveAccount(addr util.Uint160) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "removeAccount", addr)
+}
+
+// RemoveAccountTransaction creates a transaction invoking `removeAccount` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) RemoveAccountTransaction(addr util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "removeAccount", addr)
+}
+
+// RemoveAccountUnsigned creates a transaction invoking `removeAccount` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) RemoveAccountUnsigned(addr util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "removeAccount", nil, addr)
+}
+
+// Update creates a transaction invoking `update` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Update(script []byte, manifest []byte, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) UpdateUnsigned(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, script, manifest, data)
+}

tests/alphabet_test.go

@@ -21,13 +21,12 @@ const alphabetPath = "../alphabet"
 func deployAlphabetContract(t *testing.T, e *neotest.Executor, addrNetmap, addrProxy util.Uint160, name string, index, total int64) util.Uint160 {
 	c := neotest.CompileFile(t, e.CommitteeHash, alphabetPath, path.Join(alphabetPath, "config.yml"))
 
-	args := make([]interface{}, 6)
+	args := make([]any, 5)
-	args[0] = false
+	args[0] = addrNetmap
-	args[1] = addrNetmap
+	args[1] = addrProxy
-	args[2] = addrProxy
+	args[2] = name
-	args[3] = name
+	args[3] = index
-	args[4] = index
+	args[4] = total
-	args[5] = total
 
 	e.DeployContract(t, c, args)
 	return c.Hash
@@ -48,7 +47,7 @@ func newAlphabetInvoker(t *testing.T) (*neotest.Executor, *neotest.ContractInvok
 		container.AliasFeeKey, int64(containerAliasFee))
 	deployBalanceContract(t, e, ctrNetmap.Hash, ctrContainer.Hash)
 	deployContainerContract(t, e, ctrNetmap.Hash, ctrBalance.Hash, ctrNNS.Hash)
-	deployProxyContract(t, e, ctrNetmap.Hash)
+	deployProxyContract(t, e)
 	hash := deployAlphabetContract(t, e, ctrNetmap.Hash, ctrProxy.Hash, "Az", 0, 1)
 
 	alphabet := getAlphabetAcc(t, e)
@@ -88,8 +87,8 @@ func TestVote(t *testing.T) {
 	require.True(t, ok)
 	cNewAlphabet := c.WithSigners(newAlphabet)
 
-	cNewAlphabet.InvokeFail(t, common.ErrAlphabetWitnessFailed, method, int64(0), []interface{}{newAlphabetPub})
+	cNewAlphabet.InvokeFail(t, common.ErrAlphabetWitnessFailed, method, int64(0), []any{newAlphabetPub})
-	c.InvokeFail(t, "invalid epoch", method, int64(1), []interface{}{newAlphabetPub})
+	c.InvokeFail(t, "invalid epoch", method, int64(1), []any{newAlphabetPub})
 
 	setAlphabetRole(t, e, newAlphabetPub)
 	transferNeoToContract(t, c)
@@ -109,7 +108,7 @@ func TestVote(t *testing.T) {
 	newInvoker := neoInvoker.WithSigners(newAlphabet)
 
 	newInvoker.Invoke(t, stackitem.NewBool(true), "registerCandidate", newAlphabetPub)
-	c.Invoke(t, stackitem.Null{}, method, int64(0), []interface{}{newAlphabetPub})
+	c.Invoke(t, stackitem.Null{}, method, int64(0), []any{newAlphabetPub})
 
 	// wait one block util
 	// a new committee is accepted
@@ -139,7 +138,7 @@ func setAlphabetRole(t *testing.T, e *neotest.Executor, new []byte) {
 	designInvoker := e.CommitteeInvoker(designSH)
 
 	// set committee as NeoFSAlphabet
-	designInvoker.Invoke(t, stackitem.Null{}, "designateAsRole", int64(noderoles.NeoFSAlphabet), []interface{}{new})
+	designInvoker.Invoke(t, stackitem.Null{}, "designateAsRole", int64(noderoles.NeoFSAlphabet), []any{new})
 }
 
 func getAlphabetAcc(t *testing.T, e *neotest.Executor) *wallet.Account {

tests/balance_test.go

@@ -14,10 +14,9 @@ const balancePath = "../balance"
 func deployBalanceContract(t *testing.T, e *neotest.Executor, addrNetmap, addrContainer util.Uint160) util.Uint160 {
 	c := neotest.CompileFile(t, e.CommitteeHash, balancePath, path.Join(balancePath, "config.yml"))
 
-	args := make([]interface{}, 3)
+	args := make([]any, 3)
-	args[0] = false
+	args[0] = addrNetmap
-	args[1] = addrNetmap
+	args[1] = addrContainer
-	args[2] = addrContainer
 
 	e.DeployContract(t, c, args)
 	return c.Hash

tests/common_test.go

@@ -0,0 +1,61 @@
+package tests
+
+import (
+	"math"
+	"math/big"
+	"path"
+	"testing"
+
+	"github.com/nspcc-dev/neo-go/pkg/neotest"
+	"github.com/stretchr/testify/require"
+)
+
+const testdataPath = "./testdata"
+
+func newTestdataInvoker(t *testing.T) *neotest.ContractInvoker {
+	e := newExecutor(t)
+	ctr := neotest.CompileFile(t, e.CommitteeHash, testdataPath, path.Join(testdataPath, "config.yml"))
+	e.DeployContract(t, ctr, nil)
+	return e.CommitteeInvoker(ctr.Hash)
+}
+
+func TestEncodeU64(t *testing.T) {
+	// Let's check boundary values for all bit sizes:
+	var nums []uint64
+	for i := 0; i < 64; i++ {
+		if i != 0 {
+			nums = append(nums, (1<<i)-1)
+		}
+		nums = append(nums, 1<<i)
+		if i != 63 {
+			nums = append(nums, (1<<i)+1)
+		}
+	}
+
+	c := newTestdataInvoker(t)
+	for _, n := range nums {
+		v, err := c.TestInvoke(t, "encode", n)
+		require.NoError(t, err)
+		require.Equal(t, 1, v.Len())
+
+		r := v.Pop().Bytes()
+		require.Equal(t, 9, len(r), "got: %x", r)
+
+		v, err = c.TestInvoke(t, "encodeDecode", n)
+		require.NoError(t, err)
+		require.Equal(t, 1, v.Len())
+		require.Equal(t, n, v.Pop().BigInt().Uint64())
+	}
+
+	t.Run("bad cases should be handled", func(t *testing.T) {
+		x := new(big.Int).SetUint64(math.MaxUint64)
+		x.Add(x, big.NewInt(1))
+
+		nums := []*big.Int{x, big.NewInt(-1), big.NewInt(-128)}
+		for _, n := range nums {
+			v, err := c.TestInvoke(t, "encodeDecode", n)
+			require.NoError(t, err)
+			require.Equal(t, 0, v.Pop().BigInt().Cmp(n))
+		}
+	})
+}

tests/container_test.go

@@ -3,6 +3,7 @@ package tests
 import (
 	"bytes"
 	"crypto/sha256"
+	"fmt"
 	"math/big"
 	"path"
 	"testing"
@@ -12,6 +13,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-contract/nns"
 	"github.com/mr-tron/base58"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop/storage"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
 	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
 	"github.com/nspcc-dev/neo-go/pkg/neotest"
 	"github.com/nspcc-dev/neo-go/pkg/util"
@@ -22,18 +24,17 @@ import (
 const containerPath = "../container"
 
 const (
-	containerFee      = 0_0100_0000
+	containerFee      = 0o_0100_0000
-	containerAliasFee = 0_0050_0000
+	containerAliasFee = 0o_0050_0000
 )
 
 func deployContainerContract(t *testing.T, e *neotest.Executor, addrNetmap, addrBalance, addrNNS util.Uint160) util.Uint160 {
-	args := make([]interface{}, 6)
+	args := make([]any, 5)
-	args[0] = int64(0)
+	args[0] = addrNetmap
-	args[1] = addrNetmap
+	args[1] = addrBalance
-	args[2] = addrBalance
+	args[2] = util.Uint160{} // not needed for now
-	args[3] = util.Uint160{} // not needed for now
+	args[3] = addrNNS
-	args[4] = addrNNS
+	args[4] = "frostfs"
-	args[5] = "frostfs"
 
 	c := neotest.CompileFile(t, e.CommitteeHash, containerPath, path.Join(containerPath, "config.yml"))
 	e.DeployContract(t, c, args)
@@ -58,8 +59,12 @@ func newContainerInvoker(t *testing.T) (*neotest.ContractInvoker, *neotest.Contr
 }
 
 func setContainerOwner(c []byte, acc neotest.Signer) {
+	copy(c[6:], signerToOwner(acc))
+}
+
+func signerToOwner(acc neotest.Signer) []byte {
 	owner, _ := base58.Decode(address.Uint160ToString(acc.ScriptHash()))
-	copy(c[6:], owner)
+	return owner
 }
 
 type testContainer struct {
@@ -158,16 +163,23 @@ func checkContainerList(t *testing.T, c *neotest.ContractInvoker, expected [][]b
 		}
 		require.ElementsMatch(t, expected, actual)
 	})
-
 }
 
+const (
+	// default SOA record field values
+	defaultRefresh = 3600                 // 1 hour
+	defaultRetry   = 600                  // 10 min
+	defaultExpire  = 3600 * 24 * 365 * 10 // 10 years
+	defaultTTL     = 3600                 // 1 hour
+)
+
 func TestContainerPut(t *testing.T) {
 	c, cBal, _ := newContainerInvoker(t)
 
 	acc := c.NewAccount(t)
 	cnt := dummyContainer(acc)
 
-	putArgs := []interface{}{cnt.value, cnt.sig, cnt.pub, cnt.token}
+	putArgs := []any{cnt.value, cnt.sig, cnt.pub, cnt.token}
 	c.InvokeFail(t, "insufficient balance to create container", "put", putArgs...)
 
 	balanceMint(t, cBal, acc, containerFee*1, []byte{})
@@ -183,7 +195,7 @@ func TestContainerPut(t *testing.T) {
 
 		balanceMint(t, cBal, acc, containerFee*1, []byte{})
 
-		putArgs := []interface{}{cnt.value, cnt.sig, cnt.pub, cnt.token, "mycnt", ""}
+		putArgs := []any{cnt.value, cnt.sig, cnt.pub, cnt.token, "mycnt", ""}
 		t.Run("no fee for alias", func(t *testing.T) {
 			c.InvokeFail(t, "insufficient balance to create container", "putNamed", putArgs...)
 		})
@@ -218,15 +230,101 @@ func TestContainerPut(t *testing.T) {
 
 			balanceMint(t, cBal, acc, (containerFee+containerAliasFee)*1, []byte{})
 
-			putArgs := []interface{}{cnt.value, cnt.sig, cnt.pub, cnt.token, "domain", "cdn"}
+			putArgs := []any{cnt.value, cnt.sig, cnt.pub, cnt.token, "domain", "cdn"}
 			c2 := c.WithSigners(c.Committee, acc)
 			c2.Invoke(t, stackitem.Null{}, "putNamed", putArgs...)
 
 			expected = stackitem.NewArray([]stackitem.Item{
-				stackitem.NewByteArray([]byte(base58.Encode(cnt.id[:])))})
+				stackitem.NewByteArray([]byte(base58.Encode(cnt.id[:]))),
+			})
 			cNNS.Invoke(t, expected, "resolve", "domain.cdn", int64(nns.TXT))
 		})
 	})
+
+	t.Run("create global domain", func(t *testing.T) {
+		ctrNNS := neotest.CompileFile(t, c.CommitteeHash, nnsPath, path.Join(nnsPath, "config.yml"))
+		nnsHash := ctrNNS.Hash
+		cNNS := c.CommitteeInvoker(nnsHash)
+		cNNS.Invoke(t, true, "register",
+			"animals", c.CommitteeHash,
+			"whateveriwant@world.com", int64(defaultRefresh), int64(defaultRetry), int64(defaultExpire), int64(defaultTTL))
+
+		cNNS.Invoke(t, true, "register",
+			"ns", c.CommitteeHash,
+			"whateveriwant@world.com", int64(defaultRefresh), int64(defaultRetry), int64(defaultExpire), int64(0))
+
+		cNNS.Invoke(t, true, "register",
+			"poland.ns", c.CommitteeHash,
+			"whateveriwant@world.com", int64(defaultRefresh), int64(defaultRetry), int64(defaultExpire), int64(0))
+
+		cNNS.Invoke(t, true, "register",
+			"sweden.ns", c.CommitteeHash,
+			"whateveriwant@world.com", int64(defaultRefresh), int64(defaultRetry), int64(defaultExpire), int64(defaultExpire))
+
+		cNNS.Invoke(t, stackitem.Null{}, "addRecord",
+			"poland.ns", int64(nns.TXT), nns.Cnametgt+"=animals")
+
+		cNNS.Invoke(t, stackitem.Null{}, "addRecord", "poland.ns", int64(nns.TXT), "random-record")
+
+		cNNS.Invoke(t, stackitem.Null{}, "addRecord", "poland.ns", int64(nns.TXT), "ne-qqq=random-record2")
+		cNNS.Invoke(t, stackitem.Null{}, "addRecord", "sweden.ns", int64(nns.TXT), nns.Cnametgt+"=animals")
+
+		balanceMint(t, cBal, acc, (containerFee+containerAliasFee)*5, []byte{})
+		cNNS.Invoke(t, true, "isAvailable", "bober.animals")
+		putArgs := []any{cnt.value, cnt.sig, cnt.pub, cnt.token, "bober", "poland.ns"}
+		c3 := c.WithSigners(c.Committee, acc)
+		c3.Invoke(t, stackitem.Null{}, "putNamed", putArgs...)
+
+		cNNS.Invoke(t, false, "isAvailable", "bober.animals")
+
+		putArgs = []any{cnt.value, cnt.sig, cnt.pub, cnt.token, "bober", "sweden.ns"}
+
+		c3.InvokeFail(t, "global domain is already taken", "putNamed", putArgs...)
+		cNNS.InvokeFail(t, "global domain is already taken", "isAvailable", "bober.poland.ns")
+
+		cnt2 := dummyContainer(acc)
+		cNNS.Invoke(t, true, "isAvailable", "uzik.poland.ns")
+		putArgs = []any{cnt2.value, cnt2.sig, cnt2.pub, cnt2.token, "uzik", "poland.ns"}
+		c3.Invoke(t, stackitem.Null{}, "putNamed", putArgs...)
+
+		c3.Invoke(t, stackitem.Null{}, "delete", cnt.id[:], cnt.sig, cnt.pub, cnt.token)
+		cNNS.Invoke(t, true, "isAvailable", "bober.animals")
+		cNNS.Invoke(t, false, "isAvailable", "bober.poland.ns")
+
+		cNNS.InvokeFail(t, "global domain is already taken", "isAvailable", "uzik.poland.ns")
+		cNNS.Invoke(t, false, "isAvailable", "uzik.animals")
+
+		records := stackitem.NewArray([]stackitem.Item{stackitem.NewBuffer([]byte("uzik.poland.ns")), stackitem.NewByteArray([]byte(base58.Encode(cnt2.id[:])))})
+		cNNS.Invoke(t, records, "resolve", "uzik.animals", int64(nns.TXT))
+	})
+
+	t.Run("gas costs are the same for all containers in block", func(t *testing.T) {
+		const (
+			containerPerBlock = 512
+			totalContainers   = containerPerBlock + 1
+			totalPrice        = containerFee + containerAliasFee
+		)
+
+		acc := c.NewAccount(t)
+		balanceMint(t, cBal, acc, totalPrice*totalContainers, []byte{})
+		cnt := dummyContainer(acc)
+		putArgs := []any{cnt.value, cnt.sig, cnt.pub, cnt.token, "precreated", ""}
+		c.Invoke(t, stackitem.Null{}, "putNamed", putArgs...)
+
+		txs := make([]*transaction.Transaction, 0, containerPerBlock)
+		for i := 0; i < containerPerBlock; i++ {
+			cnt := dummyContainer(acc)
+			name := fmt.Sprintf("name-%.5d", i)
+			tx := c.PrepareInvoke(t, "putNamed", cnt.value, cnt.sig, cnt.pub, cnt.token, name, "")
+			txs = append(txs, tx)
+		}
+
+		c.AddNewBlock(t, txs...)
+
+		for i := 0; i < containerPerBlock; i++ {
+			c.CheckHalt(t, txs[i].Hash(), stackitem.Make(stackitem.Null{}))
+		}
+	})
 }
 
 func addContainer(t *testing.T, c, cBal *neotest.ContractInvoker) (neotest.Signer, testContainer) {
@@ -239,19 +337,67 @@ func addContainer(t *testing.T, c, cBal *neotest.ContractInvoker) (neotest.Signe
 }
 
 func TestContainerDelete(t *testing.T) {
-	c, cBal, _ := newContainerInvoker(t)
+	c, cBal, cNm := newContainerInvoker(t)
 
 	acc, cnt := addContainer(t, c, cBal)
 	cAcc := c.WithSigners(acc)
 	cAcc.InvokeFail(t, common.ErrAlphabetWitnessFailed, "delete",
 		cnt.id[:], cnt.sig, cnt.pub, cnt.token)
 
+	newDelInfo := func(acc neotest.Signer, epoch int64) *stackitem.Struct {
+		return stackitem.NewStruct([]stackitem.Item{
+			stackitem.NewBuffer([]byte(signerToOwner(acc))),
+			stackitem.NewBigInteger(big.NewInt(epoch)),
+		})
+	}
+
+	c.InvokeFail(t, container.NotFoundError, "deletionInfo", cnt.id[:])
 	c.Invoke(t, stackitem.Null{}, "delete", cnt.id[:], cnt.sig, cnt.pub, cnt.token)
+	c.Invoke(t, newDelInfo(acc, 0), "deletionInfo", cnt.id[:])
+
+	t.Run("multi-epoch", func(t *testing.T) {
+		cNm.Invoke(t, stackitem.Null{}, "newEpoch", 1)
+
+		t.Run("epoch tick does not change deletion info", func(t *testing.T) {
+			c.Invoke(t, stackitem.Null{}, "delete", cnt.id[:], cnt.sig, cnt.pub, cnt.token)
+			c.Invoke(t, newDelInfo(acc, 0), "deletionInfo", cnt.id[:])
+		})
+
+		acc1, cnt1 := addContainer(t, c, cBal)
+		c.Invoke(t, stackitem.Null{}, "delete", cnt1.id[:], cnt1.sig, cnt1.pub, cnt1.token)
+		c.Invoke(t, newDelInfo(acc, 0), "deletionInfo", cnt.id[:])
+		c.Invoke(t, newDelInfo(acc1, 1), "deletionInfo", cnt1.id[:])
+	})
 
 	t.Run("missing container", func(t *testing.T) {
 		id := cnt.id
 		id[0] ^= 0xFF
 		c.Invoke(t, stackitem.Null{}, "delete", cnt.id[:], cnt.sig, cnt.pub, cnt.token)
+		c.InvokeFail(t, container.NotFoundError, "deletionInfo", id[:])
+	})
+
+	t.Run("gas costs are the same for different epochs", func(t *testing.T) {
+		_, cnt2 := addContainer(t, c, cBal)
+		args := []any{cnt2.id[:], cnt2.sig, cnt2.pub, cnt2.token}
+
+		tx := c.PrepareInvoke(t, "delete", args...)
+		for _, e := range []int{126, 127, 128, 129, 65536} {
+			cNm.Invoke(t, stackitem.Null{}, "newEpoch", e)
+
+			// Sanity check.
+			s, err := cNm.TestInvoke(t, "epoch")
+			require.NoError(t, err)
+			require.Equal(t, big.NewInt(int64(e)), s.Top().BigInt())
+
+			tx2 := c.PrepareInvoke(t, "delete", args...)
+			require.Equal(t, tx.Size(), tx2.Size())
+			require.Equal(t, tx.SystemFee, tx2.SystemFee)
+			require.Equal(t, tx.NetworkFee, tx2.NetworkFee)
+		}
+
+		// Another sanity check: we want to test successful invocations,
+		// bad ones can trivially be equal.
+		c.Invoke(t, stackitem.Null{}, "delete", args...)
 	})
 
 	c.InvokeFail(t, container.NotFoundError, "get", cnt.id[:])
@@ -268,7 +414,7 @@ func TestContainerOwner(t *testing.T) {
 		c.InvokeFail(t, container.NotFoundError, "owner", id[:])
 	})
 
-	owner, _ := base58.Decode(address.Uint160ToString(acc.ScriptHash()))
+	owner := signerToOwner(acc)
 	c.Invoke(t, stackitem.NewBuffer(owner), "owner", cnt.id[:])
 }
 
@@ -323,7 +469,7 @@ func TestContainerSetEACL(t *testing.T) {
 	})
 
 	e := dummyEACL(cnt.id)
-	setArgs := []interface{}{e.value, e.sig, e.pub, e.token}
+	setArgs := []any{e.value, e.sig, e.pub, e.token}
 	cAcc := c.WithSigners(acc)
 	cAcc.InvokeFail(t, common.ErrAlphabetWitnessFailed, "setEACL", setArgs...)
 

tests/frostfs_test.go

@@ -21,24 +21,24 @@ import (
 const frostfsPath = "../frostfs"
 
 func deployFrostFSContract(t *testing.T, e *neotest.Executor, addrProc util.Uint160,
-	pubs keys.PublicKeys, config ...interface{}) util.Uint160 {
+	pubs keys.PublicKeys, config ...any,
-	args := make([]interface{}, 5)
+) util.Uint160 {
-	args[0] = false
+	args := make([]any, 3)
-	args[1] = addrProc
+	args[0] = addrProc
 
-	arr := make([]interface{}, len(pubs))
+	arr := make([]any, len(pubs))
 	for i := range pubs {
 		arr[i] = pubs[i].Bytes()
 	}
-	args[2] = arr
+	args[1] = arr
-	args[3] = append([]interface{}{}, config...)
+	args[2] = append([]any{}, config...)
 
 	c := neotest.CompileFile(t, e.CommitteeHash, frostfsPath, path.Join(frostfsPath, "config.yml"))
 	e.DeployContract(t, c, args)
 	return c.Hash
 }
 
-func newFrostFSInvoker(t *testing.T, n int, config ...interface{}) (*neotest.ContractInvoker, neotest.Signer, keys.PublicKeys) {
+func newFrostFSInvoker(t *testing.T, n int, config ...any) (*neotest.ContractInvoker, neotest.Signer, keys.PublicKeys) {
 	e := newExecutor(t)
 
 	accounts := make([]*wallet.Account, n)

tests/frostfsid_client_test.go

@@ -0,0 +1,567 @@
+package tests
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-contract/frostfsid/client"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/stretchr/testify/require"
+)
+
+type testFrostFSIDClientInvoker struct {
+	base *testFrostFSIDInvoker
+	cli  *client.Client
+	a    awaiter
+}
+
+func initFrostfsIFClientTest(t *testing.T) (clientInvoker *testFrostFSIDClientInvoker, cancelFn func()) {
+	f := newFrostFSIDInvoker(t)
+
+	wlt := initTmpWallet(t)
+	ctx, cancel := context.WithCancel(context.Background())
+	address := runRPC(ctx, t, f.e.Chain, wlt)
+
+	cli, rpc := frostfsidRPCClient(t, address, f.contractHash, f.owner)
+
+	clientInvoker = &testFrostFSIDClientInvoker{
+		base: f,
+		cli:  cli,
+		a: awaiter{
+			ctx: ctx,
+			t:   t,
+			rpc: rpc,
+		},
+	}
+
+	return clientInvoker, func() {
+		cancel()
+		err := os.Remove(wlt)
+		require.NoError(t, err)
+	}
+}
+
+func frostfsidRPCClient(t *testing.T, address string, contractHash util.Uint160, accs ...*wallet.Account) (*client.Client, *rpcclient.Client) {
+	rpcCli, err := rpcclient.New(context.Background(), "http://"+address, rpcclient.Options{})
+	require.NoError(t, err)
+
+	var acc *wallet.Account
+	if len(accs) == 0 {
+		acc, err = wallet.NewAccount()
+		require.NoError(t, err)
+	} else {
+		require.Len(t, accs, 1)
+		acc = accs[0]
+	}
+
+	cli, err := client.New(rpcCli, acc, contractHash, client.Options{})
+	require.NoError(t, err)
+
+	return cli, rpcCli
+}
+
+func TestFrostFSID_Client_ContractOwnersManagement(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	committeeInvoker := ffsid.base.CommitteeInvoker()
+	defaultOwnerAddress := ffsid.base.owner.ScriptHash()
+	_, newOwnerAddress := newKey(t)
+
+	checkAdminClient(t, ffsid.cli, defaultOwnerAddress)
+
+	_, _, err := ffsid.cli.SetAdmin(newOwnerAddress)
+	require.ErrorContains(t, err, "not witnessed")
+	committeeInvoker.Invoke(t, stackitem.Null{}, setAdminMethod, newOwnerAddress)
+
+	checkAdminClient(t, ffsid.cli, newOwnerAddress)
+
+	_, _, err = ffsid.cli.ClearAdmin()
+	require.ErrorContains(t, err, "not witnessed")
+	committeeInvoker.Invoke(t, stackitem.Null{}, clearAdminMethod)
+
+	checkAdminClient(t, ffsid.cli)
+}
+
+func newKey(t *testing.T) (*keys.PrivateKey, util.Uint160) {
+	key, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+	return key, key.PublicKey().GetScriptHash()
+}
+
+func checkAdminClient(t *testing.T, cli *client.Client, owners ...util.Uint160) {
+	address, isSet, err := cli.GetAdmin()
+	require.NoError(t, err)
+	require.Equal(t, len(owners) > 0, isSet)
+	if isSet {
+		require.Equal(t, owners[0], address)
+	}
+}
+
+func TestFrostFSID_Client_SubjectManagement(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	subjKey, subjAddr := newKey(t)
+	extraKey, _ := newKey(t)
+	subjLogin := "subj-login"
+	iamPathKV := "iam/path"
+
+	ffsid.a.await(ffsid.cli.CreateSubject(defaultNamespace, subjKey.PublicKey()))
+	ffsid.a.await(ffsid.cli.SetSubjectName(subjAddr, subjLogin))
+	ffsid.a.await(ffsid.cli.SetSubjectKV(subjAddr, client.IAMPathKey, iamPathKV))
+	ffsid.a.await(ffsid.cli.AddSubjectKey(subjAddr, extraKey.PublicKey()))
+
+	subj, err := ffsid.cli.GetSubject(subjAddr)
+	require.NoError(t, err)
+	require.True(t, subjKey.PublicKey().Equal(subj.PrimaryKey))
+	require.Equal(t, subj.Name, subjLogin)
+	require.Equal(t, map[string]string{client.IAMPathKey: iamPathKV}, subj.KV)
+	require.ElementsMatch(t, []*keys.PublicKey{extraKey.PublicKey()}, subj.AdditionalKeys)
+
+	ffsid.a.await(ffsid.cli.DeleteSubjectKV(subjAddr, client.IAMPathKey))
+	subj, err = ffsid.cli.GetSubject(subjAddr)
+	require.NoError(t, err)
+	require.Empty(t, subj.KV)
+
+	subjects, err := ffsid.cli.ListSubjects()
+	require.NoError(t, err)
+	require.ElementsMatch(t, subjects, []util.Uint160{subjAddr})
+
+	subj, err = ffsid.cli.GetSubjectByKey(extraKey.PublicKey())
+	require.NoError(t, err)
+	require.True(t, subjKey.PublicKey().Equal(subj.PrimaryKey))
+
+	ffsid.a.await(ffsid.cli.RemoveSubjectKey(subjAddr, extraKey.PublicKey()))
+	_, err = ffsid.cli.GetSubjectByKey(extraKey.PublicKey())
+	require.ErrorContains(t, err, "not found")
+
+	ffsid.a.await(ffsid.cli.DeleteSubject(subjAddr))
+
+	_, err = ffsid.cli.GetSubject(subjAddr)
+	require.ErrorContains(t, err, "not found")
+	subjects, err = ffsid.cli.ListSubjects()
+	require.NoError(t, err)
+	require.Empty(t, subjects)
+}
+
+func TestFrostFSID_Client_NamespaceManagement(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	namespace := "namespace"
+	subjKey, subjAddr := newKey(t)
+
+	ffsid.a.await(ffsid.cli.CreateNamespace(namespace))
+	_, _, err := ffsid.cli.CreateNamespace(namespace)
+	require.ErrorContains(t, err, "already exists")
+
+	ffsid.a.await(ffsid.cli.CreateSubject(namespace, subjKey.PublicKey()))
+
+	ns, err := ffsid.cli.GetNamespace(namespace)
+	require.NoError(t, err)
+	require.Equal(t, namespace, ns.Name)
+
+	namespaces, err := ffsid.cli.ListNamespaces()
+	require.NoError(t, err)
+	require.ElementsMatch(t, []*client.Namespace{{}, ns}, namespaces)
+
+	subj, err := ffsid.cli.GetSubject(subjAddr)
+	require.NoError(t, err)
+	require.Equal(t, namespace, subj.Namespace)
+
+	subjects, err := ffsid.cli.ListNamespaceSubjects(namespace)
+	require.NoError(t, err)
+	require.ElementsMatch(t, []util.Uint160{subjAddr}, subjects)
+
+	ffsid.a.await(ffsid.cli.DeleteSubject(subjAddr))
+
+	subjects, err = ffsid.cli.ListNamespaceSubjects(namespace)
+	require.NoError(t, err)
+	require.Empty(t, subjects)
+}
+
+func TestFrostFSID_Client_DefaultNamespace(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	group := "group"
+	subjKey, subjAddr := newKey(t)
+
+	ffsid.a.await(ffsid.cli.CreateSubject(defaultNamespace, subjKey.PublicKey()))
+	groupID, err := ffsid.cli.ParseGroupID(ffsid.cli.Wait(ffsid.cli.CreateGroup(defaultNamespace, group)))
+	require.NoError(t, err)
+	ffsid.a.await(ffsid.cli.AddSubjectToGroup(subjAddr, groupID))
+
+	namespaces, err := ffsid.cli.ListNamespaces()
+	require.NoError(t, err)
+	require.EqualValues(t, []*client.Namespace{{}}, namespaces)
+
+	groups, err := ffsid.cli.ListGroups(defaultNamespace)
+	require.NoError(t, err)
+	require.EqualValues(t, []*client.Group{{ID: groupID, Name: group, Namespace: defaultNamespace}}, groups)
+
+	subjects, err := ffsid.cli.ListNamespaceSubjects(defaultNamespace)
+	require.NoError(t, err)
+	require.EqualValues(t, []util.Uint160{subjAddr}, subjects)
+
+	subjects, err = ffsid.cli.ListGroupSubjects(defaultNamespace, groupID)
+	require.NoError(t, err)
+	require.EqualValues(t, []util.Uint160{subjAddr}, subjects)
+
+	subject, err := ffsid.cli.GetSubjectExtended(subjAddr)
+	require.NoError(t, err)
+	require.True(t, subjKey.PublicKey().Equal(subject.PrimaryKey))
+	require.Equal(t, defaultNamespace, subject.Namespace)
+	require.EqualValues(t, []*client.Group{{ID: groupID, Name: group, Namespace: defaultNamespace}}, subject.Groups)
+}
+
+func TestFrostFSID_Client_GroupManagement(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	namespace := "namespace"
+	subjKey, subjAddr := newKey(t)
+
+	ffsid.a.await(ffsid.cli.CreateNamespace(namespace))
+	ffsid.a.await(ffsid.cli.CreateSubject(namespace, subjKey.PublicKey()))
+
+	groupName := "group"
+	groupID := int64(1)
+	actGroupID, err := ffsid.cli.ParseGroupID(ffsid.cli.Wait(ffsid.cli.CreateGroup(namespace, groupName)))
+	require.NoError(t, err)
+	require.Equal(t, groupID, actGroupID)
+
+	_, _, err = ffsid.cli.CreateGroup(namespace, groupName)
+	require.ErrorContains(t, err, "is not available")
+
+	iamARN := "arn"
+	ffsid.a.await(ffsid.cli.SetGroupKV(namespace, groupID, client.IAMARNKey, iamARN))
+
+	group, err := ffsid.cli.GetGroup(namespace, groupID)
+	require.NoError(t, err)
+	require.Equal(t, groupName, group.Name)
+	require.Equal(t, map[string]string{client.IAMARNKey: iamARN}, group.KV)
+
+	ffsid.a.await(ffsid.cli.DeleteGroupKV(namespace, groupID, client.IAMARNKey))
+
+	groupExt, err := ffsid.cli.GetGroupExtended(namespace, groupID)
+	require.NoError(t, err)
+	require.Zero(t, groupExt.SubjectsCount)
+
+	ffsid.a.await(ffsid.cli.AddSubjectToGroup(subjAddr, groupID))
+
+	subjExt, err := ffsid.cli.GetSubjectExtended(subjAddr)
+	require.NoError(t, err)
+	require.ElementsMatch(t, []*client.Group{{ID: groupID, Name: groupName, Namespace: namespace, KV: map[string]string{}}}, subjExt.Groups)
+
+	groupExt, err = ffsid.cli.GetGroupExtended(namespace, groupID)
+	require.NoError(t, err)
+	require.EqualValues(t, 1, groupExt.SubjectsCount)
+
+	subjects, err := ffsid.cli.ListGroupSubjects(namespace, groupID)
+	require.NoError(t, err)
+	require.ElementsMatch(t, []util.Uint160{subjAddr}, subjects)
+
+	ffsid.a.await(ffsid.cli.RemoveSubjectFromGroup(subjAddr, groupID))
+
+	subjects, err = ffsid.cli.ListGroupSubjects(namespace, groupID)
+	require.NoError(t, err)
+	require.Empty(t, subjects)
+
+	subjects, err = ffsid.cli.ListNamespaceSubjects(namespace)
+	require.NoError(t, err)
+	require.ElementsMatch(t, []util.Uint160{subjAddr}, subjects)
+
+	groups, err := ffsid.cli.ListGroups(namespace)
+	require.NoError(t, err)
+	require.ElementsMatch(t, []*client.Group{{ID: groupID, Name: groupName, Namespace: namespace, KV: map[string]string{}}}, groups)
+
+	ffsid.a.await(ffsid.cli.DeleteGroup(namespace, groupID))
+	_, err = ffsid.cli.GetGroup(namespace, groupID)
+	require.ErrorContains(t, err, "not found")
+
+	groups, err = ffsid.cli.ListGroups(namespace)
+	require.NoError(t, err)
+	require.Empty(t, groups)
+}
+
+type testSubject struct {
+	key  *keys.PrivateKey
+	addr util.Uint160
+}
+
+func TestFrostFSID_Client_Lists(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	namespaces := append([]string{defaultNamespace}, createNamespaces(t, ffsid, 3)...)
+
+	subjects := createSubjectsInNS(t, ffsid, namespaces[1], 3)
+	subjects = append(subjects, createSubjectsInNS(t, ffsid, namespaces[2], 2)...)
+	subjects = append(subjects, createSubjectsInNS(t, ffsid, namespaces[3], 5)...)
+
+	groups := createGroupsInNS(t, ffsid, namespaces[0], 1)
+	groups = append(groups, createGroupsInNS(t, ffsid, namespaces[1], 2)...)
+	groups = append(groups, createGroupsInNS(t, ffsid, namespaces[2], 1)...)
+	groups = append(groups, createGroupsInNS(t, ffsid, namespaces[3], 2)...)
+
+	addSubjectsToGroups(t, ffsid, groups, subjects)
+
+	nsList, err := ffsid.cli.ListNamespaces()
+	require.NoError(t, err)
+	require.ElementsMatch(t, []*client.Namespace{{Name: namespaces[0]}, {Name: namespaces[1]}, {Name: namespaces[2]}, {Name: namespaces[3]}}, nsList)
+
+	nonEmptyNs, err := ffsid.cli.ListNonEmptyNamespaces()
+	require.NoError(t, err)
+	require.ElementsMatch(t, namespaces[1:], nonEmptyNs)
+
+	checkNamespaceSubjects(t, ffsid.cli, namespaces[0], subjects, 0, 0)
+	checkNamespaceSubjects(t, ffsid.cli, namespaces[1], subjects, 0, 3)
+	checkNamespaceSubjects(t, ffsid.cli, namespaces[2], subjects, 3, 5)
+	checkNamespaceSubjects(t, ffsid.cli, namespaces[3], subjects, 5, 10)
+
+	nonEmptyGroups, err := ffsid.cli.ListNonEmptyGroups(namespaces[1])
+	require.NoError(t, err)
+	require.ElementsMatch(t, []string{groups[2].Name}, nonEmptyGroups)
+
+	checkGroupSubjects(t, ffsid.cli, groups[0], subjects, 0, 0)
+	checkGroupSubjects(t, ffsid.cli, groups[1], subjects, 0, 0)
+	checkGroupSubjects(t, ffsid.cli, groups[2], subjects, 2, 3)
+	checkGroupSubjects(t, ffsid.cli, groups[3], subjects, 3, 5)
+	checkGroupSubjects(t, ffsid.cli, groups[4], subjects, 6, 8)
+	checkGroupSubjects(t, ffsid.cli, groups[5], subjects, 8, 10)
+}
+
+func createSubjectsInNS(t *testing.T, ffsid *testFrostFSIDClientInvoker, ns string, count int) []testSubject {
+	subjects := make([]testSubject, count)
+
+	tx := ffsid.cli.StartTx()
+	for i := range subjects {
+		subjects[i].key, subjects[i].addr = newKey(t)
+		err := tx.WrapCall(ffsid.cli.CreateSubjectCall(ns, subjects[i].key.PublicKey()))
+		require.NoError(t, err)
+	}
+	ffsid.a.await(ffsid.cli.SendTx(tx))
+
+	return subjects
+}
+
+func createGroupsInNS(t *testing.T, ffsid *testFrostFSIDClientInvoker, ns string, count int) []client.Group {
+	groups := make([]client.Group, count)
+
+	tx := ffsid.cli.StartTx()
+	for i := range groups {
+		groups[i].Namespace = ns
+		groups[i].Name = ns + "/group" + strconv.Itoa(i+1)
+
+		err := tx.WrapCall(ffsid.cli.CreateGroupCall(ns, groups[i].Name))
+		require.NoError(t, err)
+	}
+	res := ffsid.a.await(ffsid.cli.SendTx(tx))
+
+	ids, err := unwrap.ArrayOfBigInts(makeValidRes(stackitem.NewArray(res.Stack)), nil)
+	require.NoError(t, err)
+
+	for i, id := range ids {
+		groups[i].ID = id.Int64()
+	}
+
+	return groups
+}
+
+func createNamespaces(t *testing.T, ffsid *testFrostFSIDClientInvoker, count int) []string {
+	namespaces := make([]string, count)
+
+	tx := ffsid.cli.StartTx()
+	for i := range namespaces {
+		namespaces[i] = "ns" + strconv.Itoa(i+1)
+		err := tx.WrapCall(ffsid.cli.CreateNamespaceCall(namespaces[i]))
+		require.NoError(t, err)
+	}
+	ffsid.a.await(ffsid.cli.SendTx(tx))
+
+	return namespaces
+}
+
+func addSubjectsToGroups(t *testing.T, ffsid *testFrostFSIDClientInvoker, groups []client.Group, subjects []testSubject) {
+	cli := ffsid.cli
+	tx := cli.StartTx()
+
+	err := tx.WrapCall(cli.AddSubjectToGroupCall(subjects[2].addr, groups[2].ID))
+	require.NoError(t, err)
+
+	err = tx.WrapCall(cli.AddSubjectToGroupCall(subjects[3].addr, groups[3].ID))
+	require.NoError(t, err)
+	err = tx.WrapCall(cli.AddSubjectToGroupCall(subjects[4].addr, groups[3].ID))
+	require.NoError(t, err)
+
+	ffsid.a.await(cli.SendTx(tx))
+
+	// we have to start new tx because of insufficient gas / gas limit exceeded error
+	tx = cli.StartTx()
+
+	err = tx.WrapCall(cli.AddSubjectToGroupCall(subjects[6].addr, groups[4].ID))
+	require.NoError(t, err)
+	err = tx.WrapCall(cli.AddSubjectToGroupCall(subjects[7].addr, groups[4].ID))
+	require.NoError(t, err)
+	err = tx.WrapCall(cli.AddSubjectToGroupCall(subjects[8].addr, groups[5].ID))
+	require.NoError(t, err)
+	err = tx.WrapCall(cli.AddSubjectToGroupCall(subjects[9].addr, groups[5].ID))
+	require.NoError(t, err)
+
+	ffsid.a.await(cli.SendTx(tx))
+}
+
+func checkNamespaceSubjects(t *testing.T, cli *client.Client, ns string, subjects []testSubject, start, end int) {
+	nsSubjects, err := cli.ListNamespaceSubjects(ns)
+	require.NoError(t, err)
+	require.ElementsMatch(t, subjSlice(subjects, start, end), nsSubjects)
+}
+
+func checkGroupSubjects(t *testing.T, cli *client.Client, group client.Group, subjects []testSubject, start, end int) {
+	groupSubjects, err := cli.ListGroupSubjects(group.Namespace, group.ID)
+	require.NoError(t, err)
+	require.ElementsMatch(t, subjSlice(subjects, start, end), groupSubjects)
+}
+
+func subjSlice(subjects []testSubject, start, end int) []util.Uint160 {
+	res := make([]util.Uint160, 0, end-start)
+	for i := start; i < end; i++ {
+		res = append(res, subjects[i].addr)
+	}
+	return res
+}
+
+func TestFrostFSID_Client_UseCaseWithS3GW(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	namespace := "namespace"
+	login := "login"
+	dataUserKey, dataUserAddr := newKey(t)
+	extraDataUserKey, _ := newKey(t)
+
+	// admin
+	tx := ffsid.cli.StartTx()
+	err := tx.WrapCall(ffsid.cli.CreateNamespaceCall(namespace))
+	require.NoError(t, err)
+	err = tx.WrapCall(ffsid.cli.CreateSubjectCall(namespace, dataUserKey.PublicKey()))
+	require.NoError(t, err)
+	err = tx.WrapCall(ffsid.cli.SetSubjectNameCall(dataUserAddr, login))
+	require.NoError(t, err)
+	err = tx.WrapCall(ffsid.cli.AddSubjectKeyCall(dataUserAddr, extraDataUserKey.PublicKey()))
+	require.NoError(t, err)
+	ffsid.a.await(ffsid.cli.SendTx(tx))
+
+	// s3-gw
+	subj, err := ffsid.cli.GetSubjectByKey(extraDataUserKey.PublicKey())
+	require.NoError(t, err)
+	require.Equal(t, login, subj.Name)
+	require.True(t, dataUserKey.PublicKey().Equal(subj.PrimaryKey))
+	require.Equal(t, namespace, subj.Namespace)
+}
+
+func TestFrostFSID_Client_UseCaseListNSSubjects(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	namespace := "namespace"
+	group := "group"
+	groupID := int64(1)
+
+	tx := ffsid.cli.StartTx()
+	err := tx.WrapCall(ffsid.cli.CreateNamespaceCall(namespace))
+	require.NoError(t, err)
+	err = tx.WrapCall(ffsid.cli.CreateGroupCall(namespace, group))
+	require.NoError(t, err)
+	ffsid.a.await(ffsid.cli.SendTx(tx))
+
+	// admin
+
+	subjects := make([]testSubject, 5)
+
+	for i := range subjects {
+		tx = ffsid.cli.StartTx()
+		subjects[i].key, subjects[i].addr = newKey(t)
+		err = tx.WrapCall(ffsid.cli.CreateSubjectCall(namespace, subjects[i].key.PublicKey()))
+		require.NoError(t, err)
+		err = tx.WrapCall(ffsid.cli.SetSubjectNameCall(subjects[i].addr, "login"+strconv.Itoa(i)))
+		require.NoError(t, err)
+
+		if i > len(subjects)/2 {
+			err = tx.WrapCall(ffsid.cli.AddSubjectToGroupCall(subjects[i].addr, groupID))
+			require.NoError(t, err)
+		}
+		ffsid.a.await(ffsid.cli.SendTx(tx))
+	}
+
+	nsSubjects, err := ffsid.cli.ListNamespaceSubjects(namespace)
+	require.NoError(t, err)
+
+	res := make([]*client.SubjectExtended, len(nsSubjects))
+	for i, subj := range nsSubjects {
+		res[i], err = ffsid.cli.GetSubjectExtended(subj)
+		require.NoError(t, err)
+	}
+	prettyPrintExtendedSubjects(res)
+}
+
+func TestFrostFSID_Client_GetSubjectByName(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	key, addr := newKey(t)
+	subjName := "name"
+
+	tx := ffsid.cli.StartTx()
+	err := tx.WrapCall(ffsid.cli.CreateSubjectCall(defaultNamespace, key.PublicKey()))
+	require.NoError(t, err)
+	err = tx.WrapCall(ffsid.cli.SetSubjectNameCall(addr, subjName))
+	require.NoError(t, err)
+	ffsid.a.await(ffsid.cli.SendTx(tx))
+
+	subj, err := ffsid.cli.GetSubjectByName(defaultNamespace, subjName)
+	require.NoError(t, err)
+	require.Equal(t, subjName, subj.Name)
+	require.True(t, key.PublicKey().Equal(subj.PrimaryKey))
+	require.Equal(t, defaultNamespace, subj.Namespace)
+}
+
+func TestFrostFSID_Client_GetGroupByName(t *testing.T) {
+	ffsid, cancel := initFrostfsIFClientTest(t)
+	defer cancel()
+
+	groupName := "group"
+	actGroupID, err := ffsid.cli.ParseGroupID(ffsid.cli.Wait(ffsid.cli.CreateGroup(defaultNamespace, groupName)))
+	require.NoError(t, err)
+
+	group, err := ffsid.cli.GetGroupByName(defaultNamespace, groupName)
+	require.NoError(t, err)
+	require.Equal(t, actGroupID, group.ID)
+	require.Equal(t, defaultNamespace, group.Namespace)
+	require.Equal(t, groupName, group.Name)
+}
+
+func prettyPrintExtendedSubjects(subjects []*client.SubjectExtended) {
+	for _, subj := range subjects {
+		var sb strings.Builder
+		sb.WriteString(fmt.Sprintf("login: %s, namespace: %v, groups: [ ", subj.Name, subj.Namespace))
+
+		for _, group := range subj.Groups {
+			sb.WriteString(group.Namespace + ":" + group.Name + " ")
+		}
+
+		sb.WriteByte(']')
+		fmt.Println(sb.String())
+	}
+}

tests/frostfsid_test.go

@@ -1,113 +1,892 @@
 package tests
 
 import (
-	"bytes"
+	"errors"
 	"path"
-	"sort"
 	"testing"
 
-	"git.frostfs.info/TrueCloudLab/frostfs-contract/container"
+	"git.frostfs.info/TrueCloudLab/frostfs-contract/frostfsid/client"
-	"github.com/mr-tron/base58"
+	"github.com/nspcc-dev/neo-go/pkg/core/interop/storage"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
-	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
+	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
 	"github.com/nspcc-dev/neo-go/pkg/neotest"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
 	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
 	"github.com/stretchr/testify/require"
 )
 
 const frostfsidPath = "../frostfsid"
 
-func deployFrostFSIDContract(t *testing.T, e *neotest.Executor, addrNetmap, addrContainer util.Uint160) util.Uint160 {
+const defaultNamespace = ""
-	args := make([]interface{}, 5)
+
-	args[0] = false
+const (
-	args[1] = addrNetmap
+	setAdminMethod   = "setAdmin"
-	args[2] = addrContainer
+	getAdminMethod   = "getAdmin"
+	clearAdminMethod = "clearAdmin"
+
+	createSubjectMethod       = "createSubject"
+	getSubjectMethod          = "getSubject"
+	listSubjectsMethod        = "listSubjects"
+	addSubjectKeyMethod       = "addSubjectKey"
+	removeSubjectKeyMethod    = "removeSubjectKey"
+	getSubjectByKeyMethod     = "getSubjectByKey"
+	getSubjectKeyByNameMethod = "getSubjectKeyByName"
+	setSubjectNameMethod      = "setSubjectName"
+	setSubjectKVMethod        = "setSubjectKV"
+	deleteSubjectKVMethod     = "deleteSubjectKV"
+	deleteSubjectMethod       = "deleteSubject"
+
+	createNamespaceMethod       = "createNamespace"
+	getNamespaceMethod          = "getNamespace"
+	getNamespaceExtendedMethod  = "getNamespaceExtended"
+	listNamespacesMethod        = "listNamespaces"
+	listNamespaceSubjectsMethod = "listNamespaceSubjects"
+
+	createGroupMethod            = "createGroup"
+	getGroupMethod               = "getGroup"
+	getGroupExtendedMethod       = "getGroupExtended"
+	getGroupIDByNameMethod       = "getGroupIDByName"
+	setGroupNameMethod           = "setGroupName"
+	setGroupKVMethod             = "setGroupKV"
+	deleteGroupKVMethod          = "deleteGroupKV"
+	listGroupsMethod             = "listGroups"
+	addSubjectToGroupMethod      = "addSubjectToGroup"
+	removeSubjectFromGroupMethod = "removeSubjectFromGroup"
+	listGroupSubjectsMethod      = "listGroupSubjects"
+	deleteGroupMethod            = "deleteGroup"
+)
+
+const notWitnessedError = "not witnessed"
+
+type testFrostFSIDInvoker struct {
+	e            *neotest.Executor
+	contractHash util.Uint160
+	owner        *wallet.Account
+}
+
+func (f *testFrostFSIDInvoker) OwnerInvoker() *neotest.ContractInvoker {
+	return f.e.NewInvoker(f.contractHash, neotest.NewSingleSigner(f.owner))
+}
+
+func (f *testFrostFSIDInvoker) CommitteeInvoker() *neotest.ContractInvoker {
+	return f.e.CommitteeInvoker(f.contractHash)
+}
+
+func (f *testFrostFSIDInvoker) AnonInvoker(t *testing.T) *neotest.ContractInvoker {
+	acc, err := wallet.NewAccount()
+	require.NoError(t, err)
+
+	return f.e.NewInvoker(f.contractHash, newSigner(t, f.CommitteeInvoker(), acc))
+}
+
+func newSigner(t *testing.T, c *neotest.ContractInvoker, acc *wallet.Account) neotest.Signer {
+	amount := int64(100_0000_0000)
+
+	tx := c.NewTx(t, []neotest.Signer{c.Validator},
+		c.NativeHash(t, nativenames.Gas), "transfer",
+		c.Validator.ScriptHash(), acc.Contract.ScriptHash(), amount, nil)
+	c.AddNewBlock(t, tx)
+	c.CheckHalt(t, tx.Hash())
+	return neotest.NewSingleSigner(acc)
+}
+
+func deployFrostFSIDContract(t *testing.T, e *neotest.Executor, contractOwner util.Uint160) util.Uint160 {
+	args := make([]any, 5)
+	args[0] = contractOwner
 
 	c := neotest.CompileFile(t, e.CommitteeHash, frostfsidPath, path.Join(frostfsidPath, "config.yml"))
 	e.DeployContract(t, c, args)
 	return c.Hash
 }
 
-func newFrostFSIDInvoker(t *testing.T) *neotest.ContractInvoker {
+func newFrostFSIDInvoker(t *testing.T) *testFrostFSIDInvoker {
 	e := newExecutor(t)
 
-	ctrNNS := neotest.CompileFile(t, e.CommitteeHash, nnsPath, path.Join(nnsPath, "config.yml"))
+	acc, err := wallet.NewAccount()
-	ctrNetmap := neotest.CompileFile(t, e.CommitteeHash, netmapPath, path.Join(netmapPath, "config.yml"))
+	require.NoError(t, err)
-	ctrBalance := neotest.CompileFile(t, e.CommitteeHash, balancePath, path.Join(balancePath, "config.yml"))
-	ctrContainer := neotest.CompileFile(t, e.CommitteeHash, containerPath, path.Join(containerPath, "config.yml"))
 
-	e.DeployContract(t, ctrNNS, nil)
+	h := deployFrostFSIDContract(t, e, acc.ScriptHash())
-	deployNetmapContract(t, e, ctrBalance.Hash, ctrContainer.Hash,
+
-		container.RegistrationFeeKey, int64(containerFee),
+	newSigner(t, e.CommitteeInvoker(h), acc)
-		container.AliasFeeKey, int64(containerAliasFee))
+
-	deployBalanceContract(t, e, ctrNetmap.Hash, ctrContainer.Hash)
+	return &testFrostFSIDInvoker{
-	deployContainerContract(t, e, ctrNetmap.Hash, ctrBalance.Hash, ctrNNS.Hash)
+		e:            e,
-	h := deployFrostFSIDContract(t, e, ctrNetmap.Hash, ctrContainer.Hash)
+		contractHash: h,
-	return e.CommitteeInvoker(h)
+		owner:        acc,
+	}
 }
 
-func TestFrostFSID_AddKey(t *testing.T) {
+func TestFrostFSID_ContractOwnersManagement(t *testing.T) {
-	e := newFrostFSIDInvoker(t)
+	f := newFrostFSIDInvoker(t)
 
-	pubs := make([][]byte, 6)
+	anonInvoker := f.AnonInvoker(t)
-	for i := range pubs {
+	anonInvokerHash := anonInvoker.Signers[0].ScriptHash()
-		p, err := keys.NewPrivateKey()
+	invoker := f.OwnerInvoker()
+	invokerHash := invoker.Signers[0].ScriptHash()
+	committeeInvoker := f.CommitteeInvoker()
+
+	checkOwner(t, anonInvoker, invokerHash)
+
+	anonInvoker.InvokeFail(t, notWitnessedError, createNamespaceMethod, "namespace")
+	invoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, "namespace")
+
+	t.Run("setAdmin is only allowed for committee", func(t *testing.T) {
+		invoker.InvokeFail(t, notWitnessedError, setAdminMethod, anonInvokerHash)
+	})
+
+	t.Run("replace owner", func(t *testing.T) {
+		committeeInvoker.Invoke(t, stackitem.Null{}, setAdminMethod, anonInvokerHash)
+		checkOwner(t, anonInvoker, anonInvokerHash)
+
+		invoker.InvokeFail(t, notWitnessedError, createNamespaceMethod, "namespace2")
+		anonInvoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, "namespace2")
+	})
+	t.Run("remove owner", func(t *testing.T) {
+		committeeInvoker.Invoke(t, stackitem.Null{}, clearAdminMethod)
+		checkOwner(t, anonInvoker)
+
+		invoker.InvokeFail(t, notWitnessedError, createNamespaceMethod, "namespace3")
+		anonInvoker.InvokeFail(t, notWitnessedError, createNamespaceMethod, "namespace3")
+	})
+}
+
+func checkOwner(t *testing.T, invoker *neotest.ContractInvoker, owner ...util.Uint160) {
+	if len(owner) > 1 {
+		require.Fail(t, "invalid testcase")
+	}
+
+	s, err := invoker.TestInvoke(t, getAdminMethod)
+	require.NoError(t, err)
+	require.Equal(t, 1, s.Len(), "unexpected number items on stack")
+	if len(owner) == 0 {
+		_, isMissing := s.Pop().Item().(stackitem.Null)
+		require.True(t, isMissing)
+		return
+	}
+
+	bs, err := s.Pop().Item().TryBytes()
+	require.NoError(t, err)
+	require.Equal(t, bs, owner[0].BytesBE())
+}
+
+func TestFrostFSID_DefaultNamespace(t *testing.T) {
+	f := newFrostFSIDInvoker(t)
+
+	subjKey, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+	subjKeyAddr := subjKey.PublicKey().GetScriptHash()
+
+	invoker := f.OwnerInvoker()
+
+	groupID := int64(1)
+	groupName := "group"
+
+	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, subjKey.PublicKey().Bytes())
+	invoker.Invoke(t, stackitem.Make(groupID), createGroupMethod, defaultNamespace, groupName)
+	invoker.Invoke(t, stackitem.Null{}, addSubjectToGroupMethod, subjKeyAddr, groupID)
+	invoker.Invoke(t, stackitem.Null{}, removeSubjectFromGroupMethod, subjKeyAddr, groupID)
+	invoker.Invoke(t, stackitem.Null{}, deleteGroupMethod, defaultNamespace, groupID)
+	invoker.Invoke(t, stackitem.Null{}, deleteSubjectMethod, subjKeyAddr)
+}
+
+func TestFrostFSID_SubjectManagement(t *testing.T) {
+	f := newFrostFSIDInvoker(t)
+
+	subjKey, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+	subjKeyAddr := subjKey.PublicKey().GetScriptHash()
+
+	anonInvoker := f.AnonInvoker(t)
+	invoker := f.OwnerInvoker()
+
+	anonInvoker.InvokeFail(t, notWitnessedError, createSubjectMethod, defaultNamespace, subjKey.PublicKey().Bytes())
+	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, subjKey.PublicKey().Bytes())
+	invoker.InvokeFail(t, "already exists", createSubjectMethod, defaultNamespace, subjKey.PublicKey().Bytes())
+
+	s, err := anonInvoker.TestInvoke(t, getSubjectMethod, subjKeyAddr)
+	require.NoError(t, err)
+
+	subj := parseSubject(t, s)
+	require.True(t, subjKey.PublicKey().Equal(&subj.PrimaryKey))
+
+	t.Run("add subject key", func(t *testing.T) {
+		subjNewKey, err := keys.NewPrivateKey()
 		require.NoError(t, err)
-		pubs[i] = p.PublicKey().Bytes()
-	}
-	acc := e.NewAccount(t)
-	owner, _ := base58.Decode(address.Uint160ToString(acc.ScriptHash()))
-	e.Invoke(t, stackitem.Null{}, "addKey", owner,
-		[]interface{}{pubs[0], pubs[1]})
 
-	sort.Slice(pubs[:2], func(i, j int) bool {
+		anonInvoker.InvokeFail(t, notWitnessedError, addSubjectKeyMethod, subjKeyAddr, subjNewKey.PublicKey().Bytes())
-		return bytes.Compare(pubs[i], pubs[j]) == -1
+		invoker.Invoke(t, stackitem.Null{}, addSubjectKeyMethod, subjKeyAddr, subjNewKey.PublicKey().Bytes())
-	})
-	arr := []stackitem.Item{
-		stackitem.NewBuffer(pubs[0]),
-		stackitem.NewBuffer(pubs[1]),
-	}
-	e.Invoke(t, stackitem.NewArray(arr), "key", owner)
 
-	t.Run("multiple addKey per block", func(t *testing.T) {
+		s, err = anonInvoker.TestInvoke(t, getSubjectMethod, subjKeyAddr)
-		tx1 := e.PrepareInvoke(t, "addKey", owner, []interface{}{pubs[2]})
+		require.NoError(t, err)
-		tx2 := e.PrepareInvoke(t, "addKey", owner, []interface{}{pubs[3], pubs[4]})
+		subj := parseSubject(t, s)
-		e.AddNewBlock(t, tx1, tx2)
+		require.Len(t, subj.AdditionalKeys, 1)
-		e.CheckHalt(t, tx1.Hash(), stackitem.Null{})
+		require.True(t, subjNewKey.PublicKey().Equal(subj.AdditionalKeys[0]))
-		e.CheckHalt(t, tx2.Hash(), stackitem.Null{})
 
-		sort.Slice(pubs[:5], func(i, j int) bool {
+		t.Run("get subject by additional key", func(t *testing.T) {
-			return bytes.Compare(pubs[i], pubs[j]) == -1
+			s, err = anonInvoker.TestInvoke(t, getSubjectByKeyMethod, subjNewKey.PublicKey().Bytes())
+			require.NoError(t, err)
+			subj := parseSubject(t, s)
+			require.True(t, subjKey.PublicKey().Equal(&subj.PrimaryKey), "keys must be the same")
+
+			s, err = anonInvoker.TestInvoke(t, getSubjectByKeyMethod, subjKey.PublicKey().Bytes())
+			require.NoError(t, err)
+			subj = parseSubject(t, s)
+			require.True(t, subjKey.PublicKey().Equal(&subj.PrimaryKey), "keys must be the same")
+
+			t.Run("with GetSubject", func(t *testing.T) {
+				s, err = anonInvoker.TestInvoke(t, getSubjectMethod, subjKey.PublicKey().GetScriptHash())
+				require.NoError(t, err)
+				subj = parseSubject(t, s)
+				require.True(t, subjKey.PublicKey().Equal(&subj.PrimaryKey), "keys must be the same")
+			})
+
+			t.Run("remove subject key", func(t *testing.T) {
+				anonInvoker.InvokeFail(t, notWitnessedError, removeSubjectKeyMethod, subjKeyAddr, subjNewKey.PublicKey().Bytes())
+				invoker.Invoke(t, stackitem.Null{}, removeSubjectKeyMethod, subjKeyAddr, subjNewKey.PublicKey().Bytes())
+
+				anonInvoker.InvokeFail(t, "not found", getSubjectByKeyMethod, subjNewKey.PublicKey().Bytes())
+			})
 		})
-		arr = []stackitem.Item{
-			stackitem.NewBuffer(pubs[0]),
-			stackitem.NewBuffer(pubs[1]),
-			stackitem.NewBuffer(pubs[2]),
-			stackitem.NewBuffer(pubs[3]),
-			stackitem.NewBuffer(pubs[4]),
-		}
-		e.Invoke(t, stackitem.NewArray(arr), "key", owner)
 	})
 
-	e.Invoke(t, stackitem.Null{}, "removeKey", owner,
+	t.Run("set subject name", func(t *testing.T) {
-		[]interface{}{pubs[1], pubs[5]})
+		login := "some-login"
-	arr = []stackitem.Item{
-		stackitem.NewBuffer(pubs[0]),
-		stackitem.NewBuffer(pubs[2]),
-		stackitem.NewBuffer(pubs[3]),
-		stackitem.NewBuffer(pubs[4]),
-	}
-	e.Invoke(t, stackitem.NewArray(arr), "key", owner)
 
-	t.Run("multiple removeKey per block", func(t *testing.T) {
+		anonInvoker.InvokeFail(t, notWitnessedError, setSubjectNameMethod, subjKeyAddr, login)
-		tx1 := e.PrepareInvoke(t, "removeKey", owner, []interface{}{pubs[2]})
+		invoker.Invoke(t, stackitem.Null{}, setSubjectNameMethod, subjKeyAddr, login)
-		tx2 := e.PrepareInvoke(t, "removeKey", owner, []interface{}{pubs[0], pubs[4]})
-		e.AddNewBlock(t, tx1, tx2)
-		e.CheckHalt(t, tx1.Hash(), stackitem.Null{})
-		e.CheckHalt(t, tx2.Hash(), stackitem.Null{})
 
-		arr = []stackitem.Item{stackitem.NewBuffer(pubs[3])}
+		s, err = anonInvoker.TestInvoke(t, getSubjectMethod, subjKeyAddr)
-		e.Invoke(t, stackitem.NewArray(arr), "key", owner)
+		require.NoError(t, err)
+		subj = parseSubject(t, s)
+		require.Equal(t, login, subj.Name)
+	})
+
+	t.Run("set subject KVs", func(t *testing.T) {
+		iamPath := "iam/path"
+
+		anonInvoker.InvokeFail(t, notWitnessedError, setSubjectKVMethod, subjKeyAddr, client.IAMPathKey, iamPath)
+		invoker.Invoke(t, stackitem.Null{}, setSubjectKVMethod, subjKeyAddr, client.IAMPathKey, iamPath)
+
+		s, err = anonInvoker.TestInvoke(t, getSubjectMethod, subjKeyAddr)
+		require.NoError(t, err)
+		subj = parseSubject(t, s)
+		require.Equal(t, iamPath, subj.KV[client.IAMPathKey])
+
+		anonInvoker.InvokeFail(t, notWitnessedError, deleteSubjectKVMethod, subjKeyAddr, client.IAMPathKey)
+		invoker.Invoke(t, stackitem.Null{}, deleteSubjectKVMethod, subjKeyAddr, client.IAMPathKey)
+
+		s, err = anonInvoker.TestInvoke(t, getSubjectMethod, subjKeyAddr)
+		require.NoError(t, err)
+		subj = parseSubject(t, s)
+		require.Empty(t, subj.KV)
+	})
+
+	t.Run("list subjects", func(t *testing.T) {
+		newSubjKey, err := keys.NewPrivateKey()
+		require.NoError(t, err)
+
+		invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, newSubjKey.PublicKey().Bytes())
+
+		s, err = anonInvoker.TestInvoke(t, listSubjectsMethod)
+		require.NoError(t, err)
+
+		addresses, err := unwrap.ArrayOfUint160(makeValidRes(stackitem.NewArray(readIteratorAll(s))), nil)
+		require.NoError(t, err)
+		require.Len(t, addresses, 2)
+		require.ElementsMatch(t, addresses, []util.Uint160{subjKeyAddr, newSubjKey.PublicKey().GetScriptHash()})
+	})
+
+	anonInvoker.InvokeFail(t, notWitnessedError, deleteSubjectMethod, subjKeyAddr)
+	invoker.Invoke(t, stackitem.Null{}, deleteSubjectMethod, subjKeyAddr)
+
+	anonInvoker.InvokeFail(t, "subject not found", getSubjectMethod, subjKeyAddr)
+}
+
+func TestFrostFSIS_SubjectNameRelatedInvariants(t *testing.T) {
+	f := newFrostFSIDInvoker(t)
+
+	subjName1 := "subj1"
+	subjKey1, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+	subjKeyAddr1 := subjKey1.PublicKey().GetScriptHash()
+
+	subjName2 := "subj2"
+	subjKey2, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+	subjKeyAddr2 := subjKey2.PublicKey().GetScriptHash()
+
+	subjName3 := "subj3"
+	subjKey3, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+	subjKeyAddr3 := subjKey3.PublicKey().GetScriptHash()
+
+	invoker := f.OwnerInvoker()
+
+	ns1, ns2 := "ns1", "ns2"
+
+	invoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, ns1)
+	invoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, ns2)
+	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, ns1, subjKey1.PublicKey().Bytes())
+	invoker.Invoke(t, stackitem.Null{}, setSubjectNameMethod, subjKeyAddr1, subjName1)
+	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, ns1, subjKey2.PublicKey().Bytes())
+	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, ns2, subjKey3.PublicKey().Bytes())
+	invoker.Invoke(t, stackitem.Null{}, setSubjectNameMethod, subjKeyAddr3, subjName3)
+
+	// Check that we can find public key by name for subj1 (with name)
+	// and cannot find key for subj2 (without name)
+	s, err := invoker.TestInvoke(t, getSubjectKeyByNameMethod, ns1, subjName1)
+	checkPublicKeyResult(t, s, err, subjKey1)
+	s, err = invoker.TestInvoke(t, getSubjectKeyByNameMethod, ns1, subjName2)
+	checkPublicKeyResult(t, s, err, nil)
+
+	// Check that we can find public key for by name for subj2 when we set its name
+	invoker.Invoke(t, stackitem.Null{}, setSubjectNameMethod, subjKeyAddr2, subjName2)
+	s, err = invoker.TestInvoke(t, getSubjectKeyByNameMethod, ns1, subjName2)
+	checkPublicKeyResult(t, s, err, subjKey2)
+
+	// Check that we cannot set for second subject name that the first subject has already taken
+	invoker.InvokeFail(t, "not available", setSubjectNameMethod, subjKeyAddr2, subjName1)
+
+	// Check that we cannot find public key by name for subject that was removed
+	invoker.Invoke(t, stackitem.Null{}, deleteSubjectMethod, subjKeyAddr2)
+	s, err = invoker.TestInvoke(t, getSubjectKeyByNameMethod, ns1, subjName2)
+	checkPublicKeyResult(t, s, err, nil)
+
+	// Check that subj3 can have the same name as subj1 if they belong to different namespaces
+	// Also check that after subject renaming its key cannot be found by old name
+	invoker.Invoke(t, stackitem.Null{}, setSubjectNameMethod, subjKeyAddr3, subjName1)
+	s, err = invoker.TestInvoke(t, getSubjectKeyByNameMethod, ns2, subjName1)
+	checkPublicKeyResult(t, s, err, subjKey3)
+	s, err = invoker.TestInvoke(t, getSubjectKeyByNameMethod, ns2, subjName3)
+	checkPublicKeyResult(t, s, err, nil)
+}
+
+func TestFrostFSIS_GroupNameRelatedInvariants(t *testing.T) {
+	f := newFrostFSIDInvoker(t)
+
+	groupName1, groupName2 := "group1", "group2"
+	groupID1, groupID2 := int64(1), int64(2)
+
+	invoker := f.OwnerInvoker()
+
+	ns1, ns2 := "ns1", "ns2"
+
+	// Create two group
+	// Create two namespace.
+	// Add these groups to ns1
+	invoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, ns1)
+	invoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, ns2)
+	invoker.Invoke(t, stackitem.Make(groupID1), createGroupMethod, ns1, groupName1)
+	invoker.Invoke(t, stackitem.Make(groupID2), createGroupMethod, ns1, groupName2)
+
+	// Check that we can find group id by name for group1 in ns1 and not in ns2
+	s, err := invoker.TestInvoke(t, getGroupIDByNameMethod, ns1, groupName1)
+	checkGroupIDResult(t, s, err, groupID1)
+	s, err = invoker.TestInvoke(t, getGroupIDByNameMethod, ns2, groupName1)
+	checkGroupIDResult(t, s, err, -1)
+
+	// Check that we cannot set for second group name that the first subject has already taken
+	invoker.InvokeFail(t, "not available", setGroupNameMethod, ns1, groupID1, groupName2)
+
+	// Check that we cannot create group with the same name in namespace, but can in another
+	invoker.InvokeFail(t, "not available", createGroupMethod, ns1, groupName2)
+	invoker.Invoke(t, stackitem.Make(3), createGroupMethod, ns2, groupName2)
+
+	// Check that we cannot find group id by name for group that was removed
+	invoker.Invoke(t, stackitem.Null{}, deleteGroupMethod, ns1, groupID2)
+	s, err = invoker.TestInvoke(t, getGroupIDByNameMethod, ns1, groupName2)
+	checkGroupIDResult(t, s, err, -1)
+
+	// Check that we can create group with the name that was freed after deleting
+	invoker.Invoke(t, stackitem.Make(4), createGroupMethod, ns1, groupName2)
+
+	// Check that after group renaming its id cannot be found by old name
+	newGroupName := "new"
+	invoker.Invoke(t, stackitem.Null{}, setGroupNameMethod, ns1, groupID1, newGroupName)
+	s, err = invoker.TestInvoke(t, getGroupIDByNameMethod, ns1, groupName1)
+	checkGroupIDResult(t, s, err, -1)
+	s, err = invoker.TestInvoke(t, getGroupIDByNameMethod, ns1, newGroupName)
+	checkGroupIDResult(t, s, err, groupID1)
+}
+
+func TestFrostFSID_NamespaceManagement(t *testing.T) {
+	f := newFrostFSIDInvoker(t)
+
+	anonInvoker := f.AnonInvoker(t)
+	invoker := f.OwnerInvoker()
+
+	namespace := "some-namespace"
+
+	anonInvoker.InvokeFail(t, notWitnessedError, createNamespaceMethod, namespace)
+	invoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, namespace)
+	invoker.InvokeFail(t, "already exists", createNamespaceMethod, namespace)
+
+	s, err := anonInvoker.TestInvoke(t, getNamespaceMethod, namespace)
+	require.NoError(t, err)
+
+	ns := parseNamespace(t, s.Pop().Item())
+	require.Equal(t, namespace, ns.Name)
+
+	t.Run("add user to namespace", func(t *testing.T) {
+		subjKey, err := keys.NewPrivateKey()
+		require.NoError(t, err)
+		invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, ns.Name, subjKey.PublicKey().Bytes())
+
+		subjName := "name"
+		subjAddress := subjKey.PublicKey().GetScriptHash()
+		invoker.Invoke(t, stackitem.Null{}, setSubjectNameMethod, subjAddress, subjName)
+
+		s, err := anonInvoker.TestInvoke(t, getSubjectMethod, subjAddress)
+		require.NoError(t, err)
+		subj := parseSubject(t, s)
+		require.Equal(t, namespace, subj.Namespace)
+
+		t.Run("list namespace subjects", func(t *testing.T) {
+			s, err := anonInvoker.TestInvoke(t, listNamespaceSubjectsMethod, namespace)
+			require.NoError(t, err)
+
+			addresses, err := unwrap.ArrayOfUint160(makeValidRes(stackitem.NewArray(readIteratorAll(s))), nil)
+			require.NoError(t, err)
+			require.ElementsMatch(t, addresses, []util.Uint160{subjAddress})
+		})
+
+		t.Run("get subject key by name", func(t *testing.T) {
+			s, err := anonInvoker.TestInvoke(t, getSubjectKeyByNameMethod, namespace, subjName)
+			require.NoError(t, err)
+
+			foundKey, err := unwrap.PublicKey(makeValidRes(s.Pop().Item()), nil)
+			require.NoError(t, err)
+			require.Equal(t, subjKey.PublicKey(), foundKey)
+		})
+
+		t.Run("list namespaces", func(t *testing.T) {
+			namespace2 := "some-namespace2"
+			invoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, namespace2)
+
+			s, err := anonInvoker.TestInvoke(t, listNamespacesMethod)
+			require.NoError(t, err)
+
+			namespaces := parseNamespaces(t, readIteratorAll(s))
+			require.NoError(t, err)
+			require.ElementsMatch(t, namespaces, []Namespace{{Name: defaultNamespace}, {Name: namespace}, {Name: namespace2}})
+
+			t.Run("find namespaces with some subjects", func(t *testing.T) {
+				for _, ns := range namespaces {
+					s, err := anonInvoker.TestInvoke(t, getNamespaceExtendedMethod, ns.Name)
+					require.NoError(t, err)
+
+					nsExt := parseNamespaceExtended(t, s.Pop().Item())
+					if nsExt.SubjectsCount > 0 {
+						require.Equal(t, namespace, nsExt.Name)
+					}
+				}
+			})
+		})
 	})
 }
+
+func TestFrostFSID_GroupManagement(t *testing.T) {
+	f := newFrostFSIDInvoker(t)
+
+	anonInvoker := f.AnonInvoker(t)
+	invoker := f.OwnerInvoker()
+
+	nsName := "namespace"
+	invoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, nsName)
+
+	groupID := int64(1)
+	groupName := "group"
+	anonInvoker.InvokeFail(t, notWitnessedError, createGroupMethod, nsName, groupName)
+	invoker.Invoke(t, stackitem.Make(groupID), createGroupMethod, nsName, groupName)
+
+	s, err := anonInvoker.TestInvoke(t, getGroupMethod, nsName, groupID)
+	require.NoError(t, err)
+	group := parseGroup(t, s.Pop().Item())
+	require.Equal(t, groupID, group.ID)
+	require.Equal(t, groupName, group.Name)
+
+	s, err = anonInvoker.TestInvoke(t, listGroupsMethod, nsName)
+	require.NoError(t, err)
+	groups := parseGroups(t, readIteratorAll(s))
+	require.ElementsMatch(t, groups, []Group{{ID: groupID, Name: groupName, Namespace: nsName}})
+
+	t.Run("add subjects to group", func(t *testing.T) {
+		subjKey, err := keys.NewPrivateKey()
+		require.NoError(t, err)
+		invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, nsName, subjKey.PublicKey().Bytes())
+
+		subjAddress := subjKey.PublicKey().GetScriptHash()
+		anonInvoker.InvokeFail(t, "not witnessed", addSubjectToGroupMethod, subjAddress, groupID)
+		invoker.Invoke(t, stackitem.Null{}, addSubjectToGroupMethod, subjAddress, groupID)
+
+		t.Run("list group subjects", func(t *testing.T) {
+			s, err = anonInvoker.TestInvoke(t, listGroupSubjectsMethod, nsName, groupID)
+			require.NoError(t, err)
+
+			addresses, err := unwrap.ArrayOfUint160(makeValidRes(stackitem.NewArray(readIteratorAll(s))), nil)
+			require.NoError(t, err)
+			require.ElementsMatch(t, addresses, []util.Uint160{subjAddress})
+
+			anonInvoker.InvokeFail(t, "not witnessed", removeSubjectFromGroupMethod, subjAddress, groupID)
+			invoker.Invoke(t, stackitem.Null{}, removeSubjectFromGroupMethod, subjAddress, groupID)
+
+			s, err = anonInvoker.TestInvoke(t, listGroupSubjectsMethod, nsName, groupID)
+			require.NoError(t, err)
+
+			addresses, err = unwrap.ArrayOfUint160(makeValidRes(stackitem.NewArray(readIteratorAll(s))), nil)
+			require.NoError(t, err)
+			require.Empty(t, addresses)
+
+			t.Run("get group extended", func(t *testing.T) {
+				subjectsCount := 10
+				for i := 0; i < subjectsCount; i++ {
+					subjKey, err := keys.NewPrivateKey()
+					require.NoError(t, err)
+					invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, nsName, subjKey.PublicKey().Bytes())
+					invoker.Invoke(t, stackitem.Null{}, addSubjectToGroupMethod, subjKey.PublicKey().GetScriptHash(), groupID)
+				}
+
+				s, err = anonInvoker.TestInvoke(t, getGroupExtendedMethod, nsName, groupID)
+				require.NoError(t, err)
+				groupExt := parseGroupExtended(t, s.Pop().Item())
+				require.Equal(t, groupID, groupExt.ID)
+				require.Equal(t, groupName, groupExt.Name)
+				require.Empty(t, groupExt.KV)
+				require.EqualValues(t, subjectsCount, groupExt.SubjectsCount)
+			})
+		})
+	})
+
+	t.Run("set group name", func(t *testing.T) {
+		newGroupName := "new-name"
+
+		anonInvoker.InvokeFail(t, notWitnessedError, setGroupNameMethod, nsName, groupID, newGroupName)
+		invoker.Invoke(t, stackitem.Null{}, setGroupNameMethod, nsName, groupID, newGroupName)
+
+		s, err = anonInvoker.TestInvoke(t, getGroupIDByNameMethod, nsName, newGroupName)
+		require.NoError(t, err)
+		require.Equal(t, groupID, s.Pop().BigInt().Int64())
+
+		s, err = anonInvoker.TestInvoke(t, getGroupMethod, nsName, groupID)
+		require.NoError(t, err)
+		group = parseGroup(t, s.Pop().Item())
+		require.Equal(t, newGroupName, group.Name)
+	})
+
+	t.Run("set group KVs", func(t *testing.T) {
+		iamARN := "arn"
+
+		anonInvoker.InvokeFail(t, notWitnessedError, setGroupKVMethod, nsName, groupID, client.IAMARNKey, iamARN)
+		invoker.Invoke(t, stackitem.Null{}, setGroupKVMethod, nsName, groupID, client.IAMARNKey, iamARN)
+
+		s, err = anonInvoker.TestInvoke(t, getGroupMethod, nsName, groupID)
+		require.NoError(t, err)
+		group = parseGroup(t, s.Pop().Item())
+		require.Equal(t, iamARN, group.KV[client.IAMARNKey])
+
+		anonInvoker.InvokeFail(t, notWitnessedError, deleteGroupKVMethod, nsName, groupID, client.IAMARNKey)
+		invoker.Invoke(t, stackitem.Null{}, deleteGroupKVMethod, nsName, groupID, client.IAMARNKey)
+
+		s, err = anonInvoker.TestInvoke(t, getGroupMethod, nsName, groupID)
+		require.NoError(t, err)
+		group = parseGroup(t, s.Pop().Item())
+		require.Empty(t, group.KV)
+	})
+
+	t.Run("delete group", func(t *testing.T) {
+		anonInvoker.InvokeFail(t, notWitnessedError, deleteGroupMethod, nsName, groupID)
+		invoker.Invoke(t, stackitem.Null{}, deleteGroupMethod, nsName, groupID)
+
+		anonInvoker.InvokeFail(t, "group not found", getGroupMethod, nsName, groupID)
+
+		s, err = anonInvoker.TestInvoke(t, listGroupsMethod, nsName)
+		require.NoError(t, err)
+		groups := parseGroups(t, readIteratorAll(s))
+		require.Empty(t, groups)
+	})
+}
+
+func TestAdditionalKeyFromPrimarySubject(t *testing.T) {
+	f := newFrostFSIDInvoker(t)
+	invoker := f.OwnerInvoker()
+
+	subjAPrimaryKey, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+	subjAKeyAddr := subjAPrimaryKey.PublicKey().GetScriptHash()
+
+	subjBPrimaryKey, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+	subjBKeyAddr := subjBPrimaryKey.PublicKey().GetScriptHash()
+
+	subjCPrimaryKey, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+
+	subjDPrimaryKey, err := keys.NewPrivateKey()
+	require.NoError(t, err)
+
+	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, subjAPrimaryKey.PublicKey().Bytes())
+
+	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, subjBPrimaryKey.PublicKey().Bytes())
+
+	invoker.InvokeFail(t, "key is occupied", addSubjectKeyMethod, subjBKeyAddr, subjAPrimaryKey.PublicKey().Bytes())
+
+	invoker.Invoke(t, stackitem.Null{}, addSubjectKeyMethod, subjAKeyAddr, subjCPrimaryKey.PublicKey().Bytes())
+	invoker.InvokeFail(t, "key is occupied", addSubjectKeyMethod, subjBKeyAddr, subjCPrimaryKey.PublicKey().Bytes())
+
+	invoker.Invoke(t, stackitem.Null{}, addSubjectKeyMethod, subjAKeyAddr, subjDPrimaryKey.PublicKey().Bytes())
+
+	invoker.InvokeFail(t, "key is occupied", addSubjectKeyMethod, subjBKeyAddr, subjDPrimaryKey.PublicKey().Bytes())
+	invoker.Invoke(t, stackitem.Null{}, removeSubjectKeyMethod, subjAKeyAddr, subjDPrimaryKey.PublicKey().Bytes())
+	invoker.Invoke(t, stackitem.Null{}, addSubjectKeyMethod, subjBKeyAddr, subjDPrimaryKey.PublicKey().Bytes())
+
+	invoker.InvokeFail(t, "key is occupied", addSubjectKeyMethod, subjAKeyAddr, subjDPrimaryKey.PublicKey().Bytes())
+	invoker.Invoke(t, stackitem.Null{}, deleteSubjectMethod, subjBKeyAddr)
+	invoker.Invoke(t, stackitem.Null{}, addSubjectKeyMethod, subjAKeyAddr, subjDPrimaryKey.PublicKey().Bytes())
+}
+
+func checkPublicKeyResult(t *testing.T, s *vm.Stack, err error, key *keys.PrivateKey) {
+	if key == nil {
+		require.ErrorContains(t, err, "not found")
+		return
+	}
+
+	require.NoError(t, err)
+	foundKey, err := unwrap.PublicKey(makeValidRes(s.Pop().Item()), nil)
+	require.NoError(t, err)
+	require.Equal(t, key.PublicKey(), foundKey)
+}
+
+func checkGroupIDResult(t *testing.T, s *vm.Stack, err error, groupID int64) {
+	if groupID == -1 {
+		require.ErrorContains(t, err, "not found")
+		return
+	}
+
+	require.NoError(t, err)
+	foundGroupID, err := unwrap.Int64(makeValidRes(s.Pop().Item()), nil)
+	require.NoError(t, err)
+	require.Equal(t, groupID, foundGroupID)
+}
+
+func readIteratorAll(s *vm.Stack) []stackitem.Item {
+	iter := s.Pop().Value().(*storage.Iterator)
+
+	stackItems := make([]stackitem.Item, 0)
+	for iter.Next() {
+		stackItems = append(stackItems, iter.Value())
+	}
+
+	return stackItems
+}
+
+type Subject struct {
+	PrimaryKey     keys.PublicKey
+	AdditionalKeys keys.PublicKeys
+	Namespace      string
+	Name           string
+	KV             map[string]string
+}
+
+func parseSubject(t *testing.T, s *vm.Stack) Subject {
+	var subj Subject
+
+	subjStruct := s.Pop().Array()
+	require.Len(t, subjStruct, 5)
+
+	pkBytes, err := subjStruct[0].TryBytes()
+	require.NoError(t, err)
+	err = subj.PrimaryKey.DecodeBytes(pkBytes)
+	require.NoError(t, err)
+
+	if !subjStruct[1].Equals(stackitem.Null{}) {
+		subj.AdditionalKeys, err = unwrap.ArrayOfPublicKeys(makeValidRes(subjStruct[1]), nil)
+		require.NoError(t, err)
+	}
+
+	nsBytes, err := subjStruct[2].TryBytes()
+	require.NoError(t, err)
+	subj.Namespace = string(nsBytes)
+
+	nameBytes, err := subjStruct[3].TryBytes()
+	require.NoError(t, err)
+	subj.Name = string(nameBytes)
+
+	subj.KV, err = parseMap(subjStruct[4])
+	require.NoError(t, err)
+
+	return subj
+}
+
+func parseMap(item stackitem.Item) (map[string]string, error) {
+	if item.Equals(stackitem.Null{}) {
+		return nil, nil
+	}
+
+	metaMap, err := unwrap.Map(makeValidRes(item), nil)
+	if err != nil {
+		return nil, err
+	}
+
+	meta, ok := metaMap.Value().([]stackitem.MapElement)
+	if !ok {
+		return nil, errors.New("invalid map type")
+	}
+
+	res := make(map[string]string, len(meta))
+	for _, element := range meta {
+		key, err := element.Key.TryBytes()
+		if err != nil {
+			return nil, err
+		}
+		val, err := element.Value.TryBytes()
+		if err != nil {
+			return nil, err
+		}
+		res[string(key)] = string(val)
+	}
+
+	return res, nil
+}
+
+type Namespace struct {
+	Name string
+}
+
+type NamespaceExtended struct {
+	Name          string
+	SubjectsCount int64
+	GroupsCount   int64
+}
+
+func parseNamespace(t *testing.T, item stackitem.Item) Namespace {
+	var ns Namespace
+
+	subjStruct := item.Value().([]stackitem.Item)
+	require.Len(t, subjStruct, 1)
+
+	nameBytes, err := subjStruct[0].TryBytes()
+	require.NoError(t, err)
+	ns.Name = string(nameBytes)
+
+	return ns
+}
+
+func parseNamespaceExtended(t *testing.T, item stackitem.Item) NamespaceExtended {
+	var ns NamespaceExtended
+
+	subjStruct := item.Value().([]stackitem.Item)
+	require.Len(t, subjStruct, 3)
+
+	nameBytes, err := subjStruct[0].TryBytes()
+	require.NoError(t, err)
+	ns.Name = string(nameBytes)
+
+	groupCountInt, err := subjStruct[1].TryInteger()
+	require.NoError(t, err)
+	ns.GroupsCount = groupCountInt.Int64()
+
+	subjectsCountInt, err := subjStruct[2].TryInteger()
+	require.NoError(t, err)
+	ns.SubjectsCount = subjectsCountInt.Int64()
+
+	return ns
+}
+
+func parseNamespaces(t *testing.T, items []stackitem.Item) []Namespace {
+	res := make([]Namespace, len(items))
+
+	for i := 0; i < len(items); i++ {
+		res[i] = parseNamespace(t, items[i])
+	}
+
+	return res
+}
+
+type Group struct {
+	ID        int64
+	Name      string
+	Namespace string
+	KV        map[string]string
+}
+
+type GroupExtended struct {
+	ID            int64
+	Name          string
+	Namespace     string
+	KV            map[string]string
+	SubjectsCount int64
+}
+
+func parseGroup(t *testing.T, item stackitem.Item) Group {
+	var group Group
+
+	subjStruct := item.Value().([]stackitem.Item)
+	require.Len(t, subjStruct, 4)
+
+	groupID, err := subjStruct[0].TryInteger()
+	require.NoError(t, err)
+	group.ID = groupID.Int64()
+
+	nameBytes, err := subjStruct[1].TryBytes()
+	require.NoError(t, err)
+	group.Name = string(nameBytes)
+
+	namespaceBytes, err := subjStruct[2].TryBytes()
+	require.NoError(t, err)
+	group.Namespace = string(namespaceBytes)
+
+	group.KV, err = parseMap(subjStruct[3])
+	require.NoError(t, err)
+
+	return group
+}
+
+func parseGroupExtended(t *testing.T, item stackitem.Item) GroupExtended {
+	var gr GroupExtended
+
+	subjStruct := item.Value().([]stackitem.Item)
+	require.Len(t, subjStruct, 5)
+
+	groupID, err := subjStruct[0].TryInteger()
+	require.NoError(t, err)
+	gr.ID = groupID.Int64()
+
+	nameBytes, err := subjStruct[1].TryBytes()
+	require.NoError(t, err)
+	gr.Name = string(nameBytes)
+
+	namespaceBytes, err := subjStruct[2].TryBytes()
+	require.NoError(t, err)
+	gr.Namespace = string(namespaceBytes)
+
+	gr.KV, err = parseMap(subjStruct[3])
+	require.NoError(t, err)
+
+	subjectsCountInt, err := subjStruct[4].TryInteger()
+	require.NoError(t, err)
+	gr.SubjectsCount = subjectsCountInt.Int64()
+
+	return gr
+}
+
+func parseGroups(t *testing.T, items []stackitem.Item) []Group {
+	res := make([]Group, len(items))
+
+	for i := 0; i < len(items); i++ {
+		res[i] = parseGroup(t, items[i])
+	}
+
+	return res
+}
+
+func makeValidRes(item stackitem.Item) *result.Invoke {
+	return &result.Invoke{
+		Stack: []stackitem.Item{item},
+		State: vmstate.Halt.String(),
+	}
+}

tests/netmap_test.go

@@ -20,23 +20,22 @@ import (
 
 const netmapPath = "../netmap"
 
-func deployNetmapContract(t *testing.T, e *neotest.Executor, addrBalance, addrContainer util.Uint160, config ...interface{}) util.Uint160 {
+func deployNetmapContract(t *testing.T, e *neotest.Executor, addrBalance, addrContainer util.Uint160, config ...any) util.Uint160 {
 	_, pubs, ok := vm.ParseMultiSigContract(e.Committee.Script())
 	require.True(t, ok)
 
-	args := make([]interface{}, 5)
+	args := make([]any, 4)
-	args[0] = false
+	args[0] = addrBalance
-	args[1] = addrBalance
+	args[1] = addrContainer
-	args[2] = addrContainer
+	args[2] = []any{pubs[0]}
-	args[3] = []interface{}{pubs[0]}
+	args[3] = append([]any{}, config...)
-	args[4] = append([]interface{}{}, config...)
 
 	c := neotest.CompileFile(t, e.CommitteeHash, netmapPath, path.Join(netmapPath, "config.yml"))
 	e.DeployContract(t, c, args)
 	return c.Hash
 }
 
-func newNetmapInvoker(t *testing.T, config ...interface{}) *neotest.ContractInvoker {
+func newNetmapInvoker(t *testing.T, config ...any) *neotest.ContractInvoker {
 	e := newExecutor(t)
 
 	ctrNNS := neotest.CompileFile(t, e.CommitteeHash, nnsPath, path.Join(nnsPath, "config.yml"))

tests/nns_test.go

@@ -10,8 +10,14 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-contract/nns"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop/storage"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
 	"github.com/nspcc-dev/neo-go/pkg/neotest"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/gas"
+	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
 	"github.com/stretchr/testify/require"
 )
 
@@ -19,8 +25,7 @@ const nnsPath = "../nns"
 
 const msPerYear = 365 * 24 * time.Hour / time.Millisecond
 
-func newNNSInvoker(t *testing.T, addRoot bool) *neotest.ContractInvoker {
+func deployNNS(t *testing.T, e *neotest.Executor, addRoot bool) *neotest.ContractInvoker {
-	e := newExecutor(t)
 	ctr := neotest.CompileFile(t, e.CommitteeHash, nnsPath, path.Join(nnsPath, "config.yml"))
 	e.DeployContract(t, ctr, nil)
 
@@ -35,6 +40,28 @@ func newNNSInvoker(t *testing.T, addRoot bool) *neotest.ContractInvoker {
 	return c
 }
 
+func newNNSInvoker(t *testing.T, addRoot bool) *neotest.ContractInvoker {
+	e := newExecutor(t)
+	return deployNNS(t, e, addRoot)
+}
+
+func newNNSInvokerWithFrostfsID(t *testing.T, addRoot bool) (*neotest.ContractInvoker, *neotest.ContractInvoker) {
+	e := newExecutor(t)
+	c := deployNNS(t, e, addRoot)
+
+	frostfdID := deployFrostFSIDContract(t, e, e.CommitteeHash)
+	c.Invoke(t, true, "register",
+		nns.FrostfsIDNNSName, c.CommitteeHash,
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c.Invoke(t, stackitem.Null{}, "addRecord",
+		nns.FrostfsIDNNSName, int64(nns.TXT), frostfdID.StringLE())
+
+	c.Invoke(t, stackitem.Null{}, "addRecord",
+		nns.FrostfsIDNNSName, int64(nns.TXT), address.Uint160ToString(frostfdID))
+	return e.NewInvoker(c.Hash), e.CommitteeInvoker(frostfdID)
+}
+
 func TestNNSGeneric(t *testing.T) {
 	c := newNNSInvoker(t, false)
 
@@ -51,6 +78,9 @@ func TestNNSRegisterTLD(t *testing.T) {
 	c.InvokeFail(t, "invalid domain name format", "register",
 		"0com", c.CommitteeHash,
 		"email@frostfs.info", refresh, retry, expire, ttl)
+	c.InvokeFail(t, "invalid fragment '0com'", "register",
+		"0com", c.CommitteeHash,
+		"email@frostfs.info", refresh, retry, expire, ttl)
 
 	acc := c.NewAccount(t)
 	cAcc := c.WithSigners(acc)
@@ -58,6 +88,22 @@ func TestNNSRegisterTLD(t *testing.T) {
 		"com", acc.ScriptHash(),
 		"email@frostfs.info", refresh, retry, expire, ttl)
 
+	t.Run("size checks", func(t *testing.T) {
+		c.Invoke(t, true, "register",
+			"ns", c.CommitteeHash,
+			"email@frostfs.info", refresh, retry, expire, ttl)
+
+		c.InvokeFail(t, "invalid domain name format", "register",
+			"x", c.CommitteeHash,
+			"email@frostfs.info", refresh, retry, expire, ttl)
+		c.InvokeFail(t, "domain name too short", "register",
+			"x", c.CommitteeHash,
+			"email@frostfs.info", refresh, retry, expire, ttl)
+		c.InvokeFail(t, "domain name too long", "register",
+			getTooLongDomainName(255), c.CommitteeHash,
+			"email@frostfs.info", refresh, retry, expire, ttl)
+	})
+
 	c.Invoke(t, true, "register",
 		"com", c.CommitteeHash,
 		"email@frostfs.info", refresh, retry, expire, ttl)
@@ -77,6 +123,18 @@ func TestNNSRegister(t *testing.T) {
 		"com", accTop.ScriptHash(),
 		"myemail@frostfs.info", refresh, retry, expire, ttl)
 
+	c1.Invoke(t, true, "register",
+		"aa.bb.zz", accTop.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+
+	c1.InvokeFail(t, "TLD already exists", "register",
+		"zz", accTop.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+
+	c1.Invoke(t, true, "register",
+		"xx.bb.zz", accTop.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+
 	acc := c.NewAccount(t)
 	c2 := c.WithSigners(c.Committee, acc)
 	c2.InvokeFail(t, "not witnessed by admin", "register",
@@ -88,26 +146,45 @@ func TestNNSRegister(t *testing.T) {
 		c3.InvokeFail(t, "invalid domain name format", "register",
 			"-testdomain.com", acc.ScriptHash(),
 			"myemail@frostfs.info", refresh, retry, expire, ttl)
+		c3.InvokeFail(t, "invalid fragment '-testdomain'", "register",
+			"-testdomain.com", acc.ScriptHash(),
+			"myemail@frostfs.info", refresh, retry, expire, ttl)
+
 		c3.InvokeFail(t, "invalid domain name format", "register",
 			"testdomain-.com", acc.ScriptHash(),
 			"myemail@frostfs.info", refresh, retry, expire, ttl)
+		c3.InvokeFail(t, "invalid fragment 'testdomain-'", "register",
+			"testdomain-.com", acc.ScriptHash(),
+			"myemail@frostfs.info", refresh, retry, expire, ttl)
+
 		c3.Invoke(t, true, "register",
 			"test-domain.com", acc.ScriptHash(),
 			"myemail@frostfs.info", refresh, retry, expire, ttl)
 	})
-	c3.Invoke(t, true, "register",
+	expected := stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("testdomain.com")),
+	})
+	tx := c3.Invoke(t, true, "register",
 		"testdomain.com", acc.ScriptHash(),
 		"myemail@frostfs.info", refresh, retry, expire, ttl)
+	c.CheckTxNotificationEvent(t, tx, -1, state.NotificationEvent{ScriptHash: c.Hash, Name: "RegisterDomain", Item: expected})
 
 	b := c.TopBlock(t)
-	expected := stackitem.NewArray([]stackitem.Item{stackitem.NewBuffer(
+	expected = stackitem.NewArray([]stackitem.Item{stackitem.NewBuffer(
 		[]byte(fmt.Sprintf("testdomain.com myemail@frostfs.info %d %d %d %d %d",
 			b.Timestamp, refresh, retry, expire, ttl)))})
 	c.Invoke(t, expected, "getRecords", "testdomain.com", int64(nns.SOA))
 
 	cAcc := c.WithSigners(acc)
-	cAcc.Invoke(t, stackitem.Null{}, "addRecord",
+
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("testdomain.com")),
+		stackitem.NewBigInteger(big.NewInt(int64(nns.TXT))),
+	})
+	tx = cAcc.Invoke(t, stackitem.Null{}, "addRecord",
 		"testdomain.com", int64(nns.TXT), "first TXT record")
+	c.CheckTxNotificationEvent(t, tx, 0, state.NotificationEvent{ScriptHash: c.Hash, Name: "AddRecord", Item: expected})
+
 	cAcc.InvokeFail(t, "record already exists", "addRecord",
 		"testdomain.com", int64(nns.TXT), "first TXT record")
 	cAcc.Invoke(t, stackitem.Null{}, "addRecord",
@@ -115,16 +192,192 @@ func TestNNSRegister(t *testing.T) {
 
 	expected = stackitem.NewArray([]stackitem.Item{
 		stackitem.NewByteArray([]byte("first TXT record")),
-		stackitem.NewByteArray([]byte("second TXT record"))})
+		stackitem.NewByteArray([]byte("second TXT record")),
+	})
 	c.Invoke(t, expected, "getRecords", "testdomain.com", int64(nns.TXT))
 
-	cAcc.Invoke(t, stackitem.Null{}, "setRecord",
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("testdomain.com")),
+		stackitem.NewBigInteger(big.NewInt(int64(nns.TXT))),
+	})
+	tx = cAcc.Invoke(t, stackitem.Null{}, "setRecord",
 		"testdomain.com", int64(nns.TXT), int64(0), "replaced first")
+	c.CheckTxNotificationEvent(t, tx, 0, state.NotificationEvent{ScriptHash: c.Hash, Name: "AddRecord", Item: expected})
 
 	expected = stackitem.NewArray([]stackitem.Item{
 		stackitem.NewByteArray([]byte("replaced first")),
-		stackitem.NewByteArray([]byte("second TXT record"))})
+		stackitem.NewByteArray([]byte("second TXT record")),
+	})
 	c.Invoke(t, expected, "getRecords", "testdomain.com", int64(nns.TXT))
+
+	tx = cAcc.Invoke(t, stackitem.Null{}, "deleteRecords", "testdomain.com", int64(nns.TXT))
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("testdomain.com")),
+		stackitem.NewBigInteger(big.NewInt(int64(nns.TXT))),
+	})
+	c.CheckTxNotificationEvent(t, tx, 0, state.NotificationEvent{ScriptHash: c.Hash, Name: "DeleteRecords", Item: expected})
+
+	c.Invoke(t, stackitem.Null{}, "getRecords", "testdomain.com", int64(nns.TXT))
+
+	cAcc.Invoke(t, stackitem.Null{}, "addRecord",
+		"testdomain.com", int64(nns.TXT), "rec1")
+
+	cAcc.Invoke(t, stackitem.Null{}, "addRecord",
+		"testdomain.com", int64(nns.TXT), "rec2")
+
+	cAcc.Invoke(t, stackitem.Null{}, "addRecord",
+		"testdomain.com", int64(nns.TXT), "rec3")
+
+	cAcc.Invoke(t, stackitem.Null{}, "addRecord",
+		"testdomain.com", int64(nns.TXT), "rec4")
+
+	cAcc.Invoke(t, false, "deleteRecord",
+		"testdomain.com", int64(nns.TXT), "rec9999")
+
+	cAcc.Invoke(t, true, "deleteRecord",
+		"testdomain.com", int64(nns.TXT), "rec1")
+
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("rec2")),
+		stackitem.NewByteArray([]byte("rec3")),
+		stackitem.NewByteArray([]byte("rec4")),
+	})
+	c.Invoke(t, expected, "getRecords", "testdomain.com", int64(nns.TXT))
+
+	cAcc.Invoke(t, true, "deleteRecord",
+		"testdomain.com", int64(nns.TXT), "rec4")
+
+	cAcc.Invoke(t, true, "deleteRecord",
+		"testdomain.com", int64(nns.TXT), "rec2")
+
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("rec3")),
+	})
+	c.Invoke(t, expected, "getRecords", "testdomain.com", int64(nns.TXT))
+
+	cAcc.Invoke(t, true, "deleteRecord",
+		"testdomain.com", int64(nns.TXT), "rec3")
+
+	c.Invoke(t, stackitem.Null{}, "getRecords", "testdomain.com", int64(nns.TXT))
+
+	tx = cAcc.Invoke(t, stackitem.Null{}, "deleteDomain", "testdomain.com")
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("testdomain.com")),
+		stackitem.NewBigInteger(big.NewInt(int64(nns.CNAME))),
+	})
+	c.CheckTxNotificationEvent(t, tx, 0, state.NotificationEvent{ScriptHash: c.Hash, Name: "DeleteRecords", Item: expected})
+
+	expected = stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte("testdomain.com"))})
+	c.CheckTxNotificationEvent(t, tx, 4, state.NotificationEvent{ScriptHash: c.Hash, Name: "DeleteDomain", Item: expected})
+
+	c.InvokeFail(t, "token not found", "getRecords", "testdomain.com", int64(nns.SOA))
+}
+
+func TestDeleteDomain(t *testing.T) {
+	c := newNNSInvoker(t, false)
+
+	acc1 := c.NewAccount(t)
+	c1 := c.WithSigners(c.Committee, acc1)
+
+	acc2 := c.NewAccount(t)
+	c2 := c.WithSigners(c.Committee, acc2)
+	c1.Invoke(t, true, "register",
+		"com", acc1.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c1.Invoke(t, true, "register",
+		"testdomain.com", acc1.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c1.Invoke(t, true, "register",
+		"domik.testdomain.com", acc1.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c1.InvokeFail(t, "domain not found", "deleteDomain", "ru")
+	c1.InvokeFail(t, "can't delete TLD domain that has subdomains", "deleteDomain", "com")
+	c1.Invoke(t, stackitem.Null{}, "deleteDomain", "testdomain.com")
+
+	c1.Invoke(t, true, "register",
+		"aa.bb.zz", acc1.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c1.InvokeFail(t, "TLD already exists", "register",
+		"zz", acc1.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c1.Invoke(t, stackitem.Null{}, "deleteDomain", "aa.bb.zz")
+
+	c1.Invoke(t, true, "register",
+		"zz", acc1.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c1.Invoke(t, true, "register",
+		"cn", acc1.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c2.InvokeFail(t, "not witnessed by admin", "deleteDomain", "cn")
+
+	c1.Invoke(t, stackitem.Null{}, "deleteDomain", "cn")
+
+	c2.Invoke(t, true, "register",
+		"cn", acc2.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c1.Invoke(t, true, "register",
+		"gu.bububu.bubu.bu", c.CommitteeHash,
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c1.Invoke(t, true, "register",
+		"buu.gu.bububu.bubu.bu", c.CommitteeHash,
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	c1.Invoke(t, true, "register",
+		"bubu.bu", c.CommitteeHash,
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+}
+
+func TestGlobalDomain(t *testing.T) {
+	c := newNNSInvoker(t, false)
+
+	accTop := c.NewAccount(t)
+	refresh, retry, expire, ttl := int64(101), int64(102), int64(103), int64(104)
+	c1 := c.WithSigners(c.Committee, accTop)
+	c1.Invoke(t, true, "register",
+		"com", accTop.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+
+	c1.Invoke(t, true, "register",
+		"testdomain.com", accTop.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+
+	c1.Invoke(t, true, "register",
+		"globaldomain.com", accTop.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+
+	c1.Invoke(t, true, "register",
+		"domik.testdomain.com", accTop.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+	c1.Invoke(t, stackitem.Null{}, "addRecord",
+		"domik.testdomain.com", int64(nns.TXT), "CID")
+
+	c.Invoke(t, true, "isAvailable", "domik.globaldomain.com")
+
+	c1.Invoke(t, stackitem.Null{}, "addRecord",
+		"testdomain.com", int64(nns.TXT), nns.Cnametgt+"=globaldomain.com")
+	c.Invoke(t, true, "isAvailable", "dom.testdomain.com")
+
+	c1.Invoke(t, stackitem.Null{}, "addRecord",
+		"domik.testdomain.com", int64(nns.TXT), "random txt record")
+	c.Invoke(t, true, "isAvailable", "domik.globaldomain.com")
+
+	c1.Invoke(t, true, "register",
+		"dom.testdomain.com", accTop.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+
+	c1.Invoke(t, stackitem.Null{}, "addRecord",
+		"dom.testdomain.com", int64(nns.TXT), "CID")
+
+	c.InvokeFail(t, "global domain is already taken", "isAvailable", "dom.testdomain.com")
 }
 
 func TestTLDRecord(t *testing.T) {
@@ -139,8 +392,8 @@ func TestTLDRecord(t *testing.T) {
 func TestNNSRegisterMulti(t *testing.T) {
 	c := newNNSInvoker(t, true)
 
-	newArgs := func(domain string, account neotest.Signer) []interface{} {
+	newArgs := func(domain string, account neotest.Signer) []any {
-		return []interface{}{
+		return []any{
 			domain, account.ScriptHash(), "doesnt@matter.com",
 			int64(101), int64(102), int64(103), int64(104),
 		}
@@ -151,11 +404,6 @@ func TestNNSRegisterMulti(t *testing.T) {
 	cBoth.Invoke(t, true, "register", args...)
 
 	c1 := c.WithSigners(acc)
-	t.Run("parent domain is missing", func(t *testing.T) {
-		msg := "one of the parent domains is not registered"
-		args[0] = "testnet.fs.neo.com"
-		c1.InvokeFail(t, msg, "register", args...)
-	})
 
 	args[0] = "fs.neo.com"
 	c1.Invoke(t, true, "register", args...)
@@ -185,7 +433,8 @@ func TestNNSRegisterMulti(t *testing.T) {
 	c2.Invoke(t, stackitem.Null{}, "addRecord",
 		"cdn.mainnet.fs.neo.com", int64(nns.A), "166.15.14.13")
 	result := stackitem.NewArray([]stackitem.Item{
-		stackitem.NewByteArray([]byte("166.15.14.13"))})
+		stackitem.NewByteArray([]byte("166.15.14.13")),
+	})
 	c2.Invoke(t, result, "resolve", "cdn.mainnet.fs.neo.com", int64(nns.A))
 }
 
@@ -262,7 +511,8 @@ func TestExpiration(t *testing.T) {
 	checkProperties := func(t *testing.T, expiration uint64) {
 		expected := stackitem.NewMapWithValue([]stackitem.MapElement{
 			{Key: stackitem.Make("name"), Value: stackitem.Make("testdomain.com")},
-			{Key: stackitem.Make("expiration"), Value: stackitem.Make(expiration)}})
+			{Key: stackitem.Make("expiration"), Value: stackitem.Make(expiration)},
+		})
 		s, err := c.TestInvoke(t, "properties", "testdomain.com")
 		require.NoError(t, err)
 		require.Equal(t, expected.Value(), s.Top().Item().Value())
@@ -309,11 +559,44 @@ func TestNNSSetAdmin(t *testing.T) {
 		"testdomain.com", int64(nns.TXT), "will be added")
 }
 
+func TestNNS_Frostfsid(t *testing.T) {
+	nnsInv, f := newNNSInvokerWithFrostfsID(t, false)
+
+	acc, err := wallet.NewAccount()
+	require.NoError(t, err)
+	nnsUserInv := nnsInv.NewInvoker(nnsInv.Hash, newSigner(t, nnsInv, acc))
+
+	nnsUserInv.InvokeFail(t, "not witnessed by committee", "register",
+		"ddd", acc.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	nnsUserInv.InvokeFail(t, "not witnessed by committee", "register",
+		"testdomain.kz", acc.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	f.Invoke(t, stackitem.Null{}, createSubjectMethod, "", acc.PrivateKey().PublicKey().Bytes())
+
+	nnsUserInv.InvokeFail(t, "not witnessed by committee", "register",
+		"testdomain.kz", acc.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	f.Invoke(t, stackitem.Null{}, setSubjectKVMethod, acc.ScriptHash(), nns.FrostfsIDNNSTLDPermissionKey, nns.FrostfsIDTLDRegistrationAllowed)
+
+	nnsUserInv.Invoke(t, true, "register",
+		"testdomain.kz", acc.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+
+	f.Invoke(t, stackitem.Null{}, deleteSubjectKVMethod, acc.ScriptHash(), nns.FrostfsIDNNSTLDPermissionKey)
+
+	nnsUserInv.InvokeFail(t, "not witnessed by committee", "register",
+		"testdomain.uz", acc.ScriptHash(),
+		"myemail@frostfs.info", defaultRefresh, defaultRetry, defaultExpire, defaultTTL)
+}
+
 func TestNNSIsAvailable(t *testing.T) {
 	c := newNNSInvoker(t, false)
 
 	c.Invoke(t, true, "isAvailable", "com")
-	c.InvokeFail(t, "TLD not found", "isAvailable", "domain.com")
 
 	refresh, retry, expire, ttl := int64(101), int64(102), int64(103), int64(104)
 	c.Invoke(t, true, "register",
@@ -325,11 +608,36 @@ func TestNNSIsAvailable(t *testing.T) {
 
 	acc := c.NewAccount(t)
 	c1 := c.WithSigners(c.Committee, acc)
+
 	c1.Invoke(t, true, "register",
 		"domain.com", acc.ScriptHash(),
 		"myemail@frostfs.info", refresh, retry, expire, ttl)
 
+	c1.Invoke(t, true, "register",
+		"globaldomain.com", acc.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+
 	c.Invoke(t, false, "isAvailable", "domain.com")
+
+	c.Invoke(t, true, "isAvailable", "dom.domain.com")
+
+	c1.Invoke(t, true, "register",
+		"dom.domain.com", acc.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+	c.Invoke(t, false, "isAvailable", "dom.domain.com")
+	c.Invoke(t, true, "isAvailable", "dom.dom.domain.com")
+
+	c1.Invoke(t, stackitem.Null{}, "addRecord",
+		"dom.domain.com", int64(nns.TXT), nns.Cnametgt+"=globaldomain.com")
+	c.Invoke(t, true, "isAvailable", "dom.dom.domain.com")
+
+	c1.Invoke(t, true, "register",
+		"dom.globaldomain.com", acc.ScriptHash(),
+		"myemail@frostfs.info", refresh, retry, expire, ttl)
+
+	c.InvokeFail(t, "global domain is already taken", "isAvailable", "dom.dom.domain.com")
+
+	c.InvokeFail(t, "domain name too long", "isAvailable", getTooLongDomainName(255))
 }
 
 func TestNNSRenew(t *testing.T) {
@@ -351,8 +659,10 @@ func TestNNSRenew(t *testing.T) {
 	c1.Invoke(t, ts, "renew", "testdomain.com")
 	expected := stackitem.NewMapWithValue([]stackitem.MapElement{
 		{Key: stackitem.Make("name"), Value: stackitem.Make("testdomain.com")},
-		{Key: stackitem.Make("expiration"), Value: stackitem.Make(ts)}})
+		{Key: stackitem.Make("expiration"), Value: stackitem.Make(ts)},
+	})
 	cAcc.Invoke(t, expected, "properties", "testdomain.com")
+	c.InvokeFail(t, "domain name too long", "renew", getTooLongDomainName(255))
 }
 
 func TestNNSResolve(t *testing.T) {
@@ -371,3 +681,42 @@ func TestNNSResolve(t *testing.T) {
 	c.Invoke(t, records, "resolve", "test.com.", int64(nns.TXT))
 	c.InvokeFail(t, "invalid domain name format", "resolve", "test.com..", int64(nns.TXT))
 }
+
+func TestNNSAndProxy(t *testing.T) {
+	c := newNNSInvoker(t, false)
+	proxyHash := deployProxyContract(t, c.Executor)
+	proxySigner := neotest.NewContractSigner(proxyHash, func(*transaction.Transaction) []any { return nil })
+
+	g := c.NewInvoker(gas.Hash, c.Validator)
+	g.Invoke(t, true, "transfer",
+		c.Validator.ScriptHash(), proxyHash, 100_0000_0000, nil)
+
+	cc := c.WithSigners(proxySigner, c.Committee)
+	cc.Invoke(t, true, "register", "ns", proxyHash,
+		"ops@frostfs.info", 100, 100, 100, 100)
+
+	checkBalance := func(t *testing.T, owner util.Uint160, balance int64) {
+		s, err := cc.TestInvoke(t, "balanceOf", owner)
+		require.NoError(t, err)
+		require.Equal(t, 1, s.Len())
+		require.Equal(t, int64(balance), s.Pop().BigInt().Int64())
+	}
+
+	checkBalance(t, proxyHash, 1)
+	checkBalance(t, c.CommitteeHash, 0)
+
+	t.Run("ensure domain is not lost", func(t *testing.T) {
+		cc.Invoke(t, true, "transfer", c.CommitteeHash, "ns", nil)
+
+		checkBalance(t, proxyHash, 0)
+		checkBalance(t, c.CommitteeHash, 1)
+	})
+}
+
+func getTooLongDomainName(max int) (res string) {
+	for len(res) < max {
+		res += "dom."
+	}
+	res += "com"
+	return res
+}

tests/policy_test.go

@@ -0,0 +1,212 @@
+package tests
+
+import (
+	"bytes"
+	"path"
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-contract/policy"
+	"github.com/nspcc-dev/neo-go/pkg/core/interop/storage"
+	"github.com/nspcc-dev/neo-go/pkg/neotest"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/stretchr/testify/require"
+)
+
+const policyPath = "../policy"
+
+func deployPolicyContract(t *testing.T, e *neotest.Executor) util.Uint160 {
+	cfgPath := path.Join(policyPath, "config.yml")
+	c := neotest.CompileFile(t, e.CommitteeHash, policyPath, cfgPath)
+	e.DeployContract(t, c, []any{nil})
+	return c.Hash
+}
+
+func newPolicyInvoker(t *testing.T) *neotest.ContractInvoker {
+	e := newExecutor(t)
+	h := deployPolicyContract(t, e)
+	return e.CommitteeInvoker(h)
+}
+
+func TestPolicy(t *testing.T) {
+	e := newPolicyInvoker(t)
+
+	checkChainsIteratorByPrefix(t, e, policy.Namespace, "mynamespace", "ingress", [][]byte{})
+	checkChainsIteratorByPrefix(t, e, policy.Container, "cnr1", "ingress", [][]byte{})
+
+	// Policies are opaque to the contract and are just raw bytes to store.
+	p1 := []byte("chain1")
+	p2 := []byte("chain2")
+	p3 := []byte("chain3")
+	p33 := []byte("chain33")
+
+	e.Invoke(t, stackitem.Null{}, "addChain", policy.Namespace, "mynamespace", "ingress:123", p1)
+	checkTargets(t, e, policy.Namespace, [][]byte{[]byte("mynamespace")})
+	checkChains(t, e, "mynamespace", "", "ingress", [][]byte{p1})
+	checkChains(t, e, "mynamespace", "", "all", nil)
+
+	e.Invoke(t, stackitem.Null{}, "addChain", policy.Container, "cnr1", "ingress:myrule2", p2)
+	checkTargets(t, e, policy.Namespace, [][]byte{[]byte("mynamespace")})
+	checkTargets(t, e, policy.Container, [][]byte{[]byte("cnr1")})
+	checkChains(t, e, "mynamespace", "", "ingress", [][]byte{p1}) // Only namespace chains.
+	checkChains(t, e, "mynamespace", "cnr1", "ingress", [][]byte{p1, p2})
+	checkChains(t, e, "mynamespace", "cnr1", "all", nil)              // No chains attached to 'all'.
+	checkChains(t, e, "mynamespace", "cnr2", "ingress", [][]byte{p1}) // Only namespace, no chains for the container.
+
+	e.Invoke(t, stackitem.Null{}, "addChain", policy.Container, "cnr1", "ingress:myrule3", p3)
+	checkTargets(t, e, policy.Namespace, [][]byte{[]byte("mynamespace")})
+	checkTargets(t, e, policy.Container, [][]byte{[]byte("cnr1")})
+	checkChains(t, e, "mynamespace", "cnr1", "ingress", [][]byte{p1, p2, p3})
+
+	e.Invoke(t, stackitem.Null{}, "addChain", policy.Container, "cnr1", "ingress:myrule3", p33)
+	checkTargets(t, e, policy.Namespace, [][]byte{[]byte("mynamespace")})
+	checkTargets(t, e, policy.Container, [][]byte{[]byte("cnr1")})
+	checkChain(t, e, policy.Container, "cnr1", "ingress:myrule3", p33)
+	checkChains(t, e, "mynamespace", "cnr1", "ingress", [][]byte{p1, p2, p33}) // Override chain.
+	checkChainsByPrefix(t, e, policy.Container, "cnr1", "", [][]byte{p2, p33})
+	checkChainsByPrefix(t, e, policy.IAM, "", "", nil)
+	checkChainKeys(t, e, policy.Container, "cnr1", []string{"ingress:myrule2", "ingress:myrule3"})
+
+	checkChainsIteratorByPrefix(t, e, policy.Container, "cnr1", "ingress:myrule3", [][]byte{p33})
+	checkChainsIteratorByPrefix(t, e, policy.Container, "cnr1", "ingress", [][]byte{p2, p33})
+
+	t.Run("removal", func(t *testing.T) {
+		t.Run("wrong name", func(t *testing.T) {
+			e.Invoke(t, stackitem.Null{}, "removeChain", policy.Namespace, "mynamespace", "ingress")
+			checkChains(t, e, "mynamespace", "", "ingress", [][]byte{p1})
+		})
+
+		e.Invoke(t, stackitem.Null{}, "removeChain", policy.Namespace, "mynamespace", "ingress:123")
+		checkChains(t, e, "mynamespace", "", "ingress", nil)
+		checkChains(t, e, "mynamespace", "cnr1", "ingress", [][]byte{p2, p33}) // Container chains still exist.
+
+		// Remove by prefix.
+		e.Invoke(t, stackitem.Null{}, "removeChainsByPrefix", policy.Container, "cnr1", "ingress")
+		checkChains(t, e, "mynamespace", "cnr1", "ingress", nil)
+
+		// Remove by prefix.
+		e.Invoke(t, stackitem.Null{}, "removeChainsByPrefix", policy.Container, "cnr1", "ingress")
+		checkChains(t, e, "mynamespace", "cnr1", "ingress", nil)
+
+		checkTargets(t, e, policy.Namespace, [][]byte{})
+		checkTargets(t, e, policy.Container, [][]byte{})
+	})
+
+	t.Run("add again after removal", func(t *testing.T) {
+		e.Invoke(t, stackitem.Null{}, "addChain", policy.Namespace, "mynamespace", "ingress:123", p1)
+		e.Invoke(t, stackitem.Null{}, "addChain", policy.Container, "cnr1", "ingress:myrule3", p33)
+
+		checkTargets(t, e, policy.Namespace, [][]byte{[]byte("mynamespace")})
+		checkTargets(t, e, policy.Container, [][]byte{[]byte("cnr1")})
+	})
+}
+
+func TestAutorization(t *testing.T) {
+	e := newPolicyInvoker(t)
+
+	e.Invoke(t, stackitem.Null{}, "getAdmin")
+
+	s := e.NewAccount(t, 1_0000_0000)
+	c := e.WithSigners(s)
+
+	args := []any{policy.Container, "cnr1", "ingress:myrule3", []byte("opaque")}
+	c.InvokeFail(t, policy.ErrNotAuthorized, "addChain", args...)
+
+	e.Invoke(t, stackitem.Null{}, "setAdmin", s.ScriptHash())
+	e.Invoke(t, stackitem.NewBuffer(s.ScriptHash().BytesBE()), "getAdmin")
+
+	c.Invoke(t, stackitem.Null{}, "addChain", args...)
+}
+
+func checkChains(t *testing.T, e *neotest.ContractInvoker, namespace, container, name string, expected [][]byte) {
+	s, err := e.TestInvoke(t, "listChains", namespace, container, name)
+	require.NoError(t, err)
+
+	checksChainsOnStack(t, s, expected)
+}
+
+func checkChainsByPrefix(t *testing.T, e *neotest.ContractInvoker, kind byte, entityName, prefix string, expected [][]byte) {
+	s, err := e.TestInvoke(t, "listChainsByPrefix", kind, entityName, prefix)
+	require.NoError(t, err)
+
+	checksChainsOnStack(t, s, expected)
+}
+
+func checkChainsIteratorByPrefix(t *testing.T, e *neotest.ContractInvoker, kind byte, entityName, prefix string, expected [][]byte) {
+	s, err := e.TestInvoke(t, "iteratorChainsByPrefix", kind, entityName, prefix)
+	require.NoError(t, err)
+
+	if s.Len() == 0 {
+		t.Fatal("Stack is empty")
+	}
+
+	iteratorItem := s.Pop().Value().(*storage.Iterator)
+	policys := iteratorToArray(iteratorItem)
+	require.Equal(t, len(expected), len(policys))
+
+	for i := range expected {
+		bytesPolicy, err := policys[i].TryBytes()
+		require.NoError(t, err)
+		require.Equal(t, expected[i], bytesPolicy)
+	}
+}
+
+func checkChainKeys(t *testing.T, e *neotest.ContractInvoker, kind byte, entityName string, expected []string) {
+	s, err := e.TestInvoke(t, "listChainNames", kind, entityName)
+	require.NoError(t, err)
+
+	if s.Len() == 0 {
+		t.Fatal("Stack is empty")
+	}
+
+	iteratorItem := s.Pop().Value().(*storage.Iterator)
+	policys := iteratorToArray(iteratorItem)
+	require.Equal(t, len(expected), len(policys))
+
+	for i := range expected {
+		bytesPolicy, err := policys[i].TryBytes()
+		require.NoError(t, err)
+		require.Equal(t, expected[i], string(bytesPolicy))
+	}
+}
+
+func checksChainsOnStack(t *testing.T, s *vm.Stack, expected [][]byte) {
+	require.Equal(t, 1, s.Len())
+
+	var actual [][]byte
+	arr := s.Pop().Array()
+	for i := range arr {
+		bs, err := arr[i].TryBytes()
+
+		require.NoError(t, err)
+		actual = append(actual, bs)
+	}
+
+	require.ElementsMatch(t, expected, actual)
+}
+
+func checkChain(t *testing.T, e *neotest.ContractInvoker, kind byte, entityName, name string, expected []byte) {
+	s, err := e.TestInvoke(t, "getChain", kind, entityName, name)
+	require.NoError(t, err)
+	require.Equal(t, 1, s.Len())
+
+	require.True(t, bytes.Equal(expected, s.Pop().Bytes()))
+}
+
+func checkTargets(t *testing.T, e *neotest.ContractInvoker, kind byte, expected [][]byte) {
+	s, err := e.TestInvoke(t, "listTargets", kind)
+	require.NoError(t, err)
+
+	require.NotEqual(t, 0, s.Len(), "stack is empty")
+
+	iteratorItem := s.Pop().Value().(*storage.Iterator)
+	targets := iteratorToArray(iteratorItem)
+	require.Equal(t, len(expected), len(targets))
+
+	for i := range expected {
+		bytesTargets, err := targets[i].TryBytes()
+		require.NoError(t, err)
+		require.Equal(t, expected[i], bytesTargets)
+	}
+}

tests/processing_test.go

@@ -4,28 +4,41 @@ import (
 	"path"
 	"testing"
 
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
 	"github.com/nspcc-dev/neo-go/pkg/neotest"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/stretchr/testify/require"
 )
 
 const processingPath = "../processing"
 
-func deployProcessingContract(t *testing.T, e *neotest.Executor, addrFrostFS util.Uint160) util.Uint160 {
+func deployProcessingContract(t *testing.T, e *neotest.Executor) util.Uint160 {
 	c := neotest.CompileFile(t, e.CommitteeHash, processingPath, path.Join(processingPath, "config.yml"))
 
-	args := make([]interface{}, 1)
+	e.DeployContract(t, c, nil)
-	args[0] = addrFrostFS
-
-	e.DeployContract(t, c, args)
 	return c.Hash
 }
 
-func newProcessingInvoker(t *testing.T) (*neotest.ContractInvoker, neotest.Signer) {
+func newProcessingInvoker(t *testing.T) (*neotest.ContractInvoker, neotest.SingleSigner) {
-	frostfsInvoker, irMultiAcc, _ := newFrostFSInvoker(t, 2)
+	e := newExecutor(t)
-	hash := deployProcessingContract(t, frostfsInvoker.Executor, frostfsInvoker.Hash)
 
-	return frostfsInvoker.CommitteeInvoker(hash), irMultiAcc
+	acc, err := wallet.NewAccount()
+	require.NoError(t, err)
+
+	sig := neotest.NewSingleSigner(acc)
+
+	gasHash, err := e.Chain.GetNativeContractScriptHash(nativenames.Gas)
+	require.NoError(t, err)
+	vc := e.CommitteeInvoker(gasHash).WithSigners(e.Validator)
+	vc.Invoke(t, true, "transfer",
+		e.Validator.ScriptHash(), sig.ScriptHash(),
+		int64(10_0000_0000), nil)
+
+	hash := deployProcessingContract(t, e)
+
+	return e.CommitteeInvoker(hash), sig
 }
 
 func TestVerify_Processing(t *testing.T) {
@@ -35,6 +48,6 @@ func TestVerify_Processing(t *testing.T) {
 
 	cIR := c.WithSigners(irMultiAcc)
 
-	cIR.Invoke(t, stackitem.NewBool(true), method)
+	cIR.Invoke(t, stackitem.NewBool(false), method)
-	c.Invoke(t, stackitem.NewBool(false), method)
+	c.Invoke(t, stackitem.NewBool(true), method)
 }

tests/proxy_test.go

@@ -4,45 +4,52 @@ import (
 	"path"
 	"testing"
 
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
 	"github.com/nspcc-dev/neo-go/pkg/neotest"
 	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/stretchr/testify/require"
 )
 
 const proxyPath = "../proxy"
 
-func deployProxyContract(t *testing.T, e *neotest.Executor, addrNetmap util.Uint160) util.Uint160 {
+func deployProxyContract(t *testing.T, e *neotest.Executor) util.Uint160 {
-	args := make([]interface{}, 1)
-	args[0] = addrNetmap
-
 	c := neotest.CompileFile(t, e.CommitteeHash, proxyPath, path.Join(proxyPath, "config.yml"))
-	e.DeployContract(t, c, args)
+	e.DeployContract(t, c, []any{})
 	return c.Hash
 }
 
 func newProxyInvoker(t *testing.T) *neotest.ContractInvoker {
 	e := newExecutor(t)
 
-	ctrNetmap := neotest.CompileFile(t, e.CommitteeHash, netmapPath, path.Join(netmapPath, "config.yml"))
+	proxyHash := deployProxyContract(t, e)
-	ctrBalance := neotest.CompileFile(t, e.CommitteeHash, balancePath, path.Join(balancePath, "config.yml"))
-	ctrContainer := neotest.CompileFile(t, e.CommitteeHash, containerPath, path.Join(containerPath, "config.yml"))
-	ctrProxy := neotest.CompileFile(t, e.CommitteeHash, proxyPath, path.Join(proxyPath, "config.yml"))
 
-	deployNetmapContract(t, e, ctrBalance.Hash, ctrContainer.Hash)
+	return e.CommitteeInvoker(proxyHash)
-	deployProxyContract(t, e, ctrNetmap.Hash)
-
-	return e.CommitteeInvoker(ctrProxy.Hash)
 }
 
 func TestVerify(t *testing.T) {
 	e := newProxyInvoker(t)
+	acc := e.NewAccount(t)
 
-	const method = "verify"
+	gas := e.NewInvoker(e.NativeHash(t, nativenames.Gas), e.Validator)
+	gas.Invoke(t, true, "transfer", e.Validator.ScriptHash(), e.Hash, 100_0000_0000, nil)
 
-	e.Invoke(t, stackitem.NewBool(true), method)
+	s := neotest.NewContractSigner(e.Hash, func(*transaction.Transaction) []any { return nil })
+	t.Run("proxy + committee", func(t *testing.T) {
+		tx := e.PrepareInvocation(t, []byte{byte(opcode.RET)}, []neotest.Signer{s, e.Committee})
+		require.NoError(t, e.Chain.VerifyTx(tx))
+	})
+	t.Run("proxy + custom account", func(t *testing.T) {
+		t.Run("bad, only proxy", func(t *testing.T) {
+			tx := e.PrepareInvocation(t, []byte{byte(opcode.RET)}, []neotest.Signer{s, acc})
+			require.Error(t, e.Chain.VerifyTx(tx))
+		})
 
-	notAlphabet := e.NewAccount(t)
+		e.Invoke(t, stackitem.Null{}, "addAccount", acc.ScriptHash())
-	cNotAlphabet := e.WithSigners(notAlphabet)
 
-	cNotAlphabet.Invoke(t, stackitem.NewBool(false), method)
+		tx := e.PrepareInvocation(t, []byte{byte(opcode.RET)}, []neotest.Signer{s, acc})
+		require.NoError(t, e.Chain.VerifyTx(tx))
+	})
 }

tests/reputation_test.go

@@ -1,80 +0,0 @@
-package tests
-
-import (
-	"path"
-	"testing"
-
-	"github.com/nspcc-dev/neo-go/pkg/neotest"
-	"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
-	"github.com/nspcc-dev/neo-go/pkg/util"
-	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
-)
-
-const reputationPath = "../reputation"
-
-func deployReputationContract(t *testing.T, e *neotest.Executor) util.Uint160 {
-	c := neotest.CompileFile(t, e.CommitteeHash, reputationPath,
-		path.Join(reputationPath, "config.yml"))
-
-	args := make([]interface{}, 1)
-	args[0] = false
-
-	e.DeployContract(t, c, args)
-	return c.Hash
-}
-
-func newReputationInvoker(t *testing.T) *neotest.ContractInvoker {
-	bc, acc := chain.NewSingle(t)
-	e := neotest.NewExecutor(t, bc, acc, acc)
-	h := deployReputationContract(t, e)
-	return e.CommitteeInvoker(h)
-}
-
-func TestReputation_Put(t *testing.T) {
-	e := newReputationInvoker(t)
-
-	peerID := []byte{1, 2, 3}
-	e.Invoke(t, stackitem.Null{}, "put", int64(1), peerID, []byte{4})
-
-	t.Run("concurrent invocations", func(t *testing.T) {
-		repValue1 := []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
-		repValue2 := []byte{10, 20, 30, 40, 50, 60, 70, 80}
-		tx1 := e.PrepareInvoke(t, "put", int64(1), peerID, repValue1)
-		tx2 := e.PrepareInvoke(t, "put", int64(1), peerID, repValue2)
-
-		e.AddNewBlock(t, tx1, tx2)
-		e.CheckHalt(t, tx1.Hash(), stackitem.Null{})
-		e.CheckHalt(t, tx2.Hash(), stackitem.Null{})
-
-		t.Run("get all", func(t *testing.T) {
-			result := stackitem.NewArray([]stackitem.Item{
-				stackitem.NewBuffer([]byte{4}),
-				stackitem.NewBuffer(repValue1),
-				stackitem.NewBuffer(repValue2),
-			})
-			e.Invoke(t, result, "get", int64(1), peerID)
-		})
-	})
-}
-
-func TestReputation_ListByEpoch(t *testing.T) {
-	e := newReputationInvoker(t)
-
-	peerIDs := []string{"peer1", "peer2"}
-	e.Invoke(t, stackitem.Null{}, "put", int64(1), peerIDs[0], []byte{1})
-	e.Invoke(t, stackitem.Null{}, "put", int64(1), peerIDs[0], []byte{2})
-	e.Invoke(t, stackitem.Null{}, "put", int64(2), peerIDs[1], []byte{3})
-	e.Invoke(t, stackitem.Null{}, "put", int64(2), peerIDs[0], []byte{4})
-	e.Invoke(t, stackitem.Null{}, "put", int64(2), peerIDs[1], []byte{5})
-
-	result := stackitem.NewArray([]stackitem.Item{
-		stackitem.NewBuffer(append([]byte{1}, peerIDs[0]...)),
-	})
-	e.Invoke(t, result, "listByEpoch", int64(1))
-
-	result = stackitem.NewArray([]stackitem.Item{
-		stackitem.NewBuffer(append([]byte{2}, peerIDs[0]...)),
-		stackitem.NewBuffer(append([]byte{2}, peerIDs[1]...)),
-	})
-	e.Invoke(t, result, "listByEpoch", int64(2))
-}

tests/testdata/config.yml

@@ -0,0 +1,2 @@
+name: "TestContract"
+safemethods: ["encodeDecode"]

tests/testdata/encode.go

@@ -0,0 +1,17 @@
+package testdata
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-contract/common"
+)
+
+// EncodeDecode encodes x in fixed-width little-endian representation
+// and deserializes it back.
+func EncodeDecode(x int) int {
+	y := common.ToFixedWidth64(x)
+	return common.FromFixedWidth64(y)
+}
+
+// Encode encodes x in fixed-width little-endian representation.
+func Encode(x int) []byte {
+	return common.ToFixedWidth64(x)
+}

tests/util.go

@@ -1,14 +1,76 @@
 package tests
 
 import (
+	"context"
+	"net/http"
+	"os"
 	"testing"
+	"time"
 
+	"github.com/nspcc-dev/neo-go/pkg/config"
+	"github.com/nspcc-dev/neo-go/pkg/consensus"
+	"github.com/nspcc-dev/neo-go/pkg/core"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop/storage"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	corestate "github.com/nspcc-dev/neo-go/pkg/core/stateroot"
+	"github.com/nspcc-dev/neo-go/pkg/core/storage/dbconfig"
 	"github.com/nspcc-dev/neo-go/pkg/neotest"
 	"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
+	"github.com/nspcc-dev/neo-go/pkg/network"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/services/rpcsrv"
+	"github.com/nspcc-dev/neo-go/pkg/services/stateroot"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
+	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/stretchr/testify/require"
+	"go.uber.org/zap"
 )
 
+type awaiter struct {
+	ctx context.Context
+	t   *testing.T
+	rpc *rpcclient.Client
+}
+
+func (a awaiter) await(tx util.Uint256, vub uint32, err error) *state.AppExecResult {
+	require.NoError(a.t, err)
+	return await(a.ctx, a.t, a.rpc, tx, vub)
+}
+
+const nodeWallet = `
+{
+  "version": "3.0",
+  "accounts": [
+    {
+      "address": "Nhfg3TbpwogLvDGVvAvqyThbsHgoSUKwtn",
+      "key": "6PYM8VdX2BSm7BSXKzV4Fz6S3R9cDLLWNrD9nMjxW352jEv3fsC8N3wNLY",
+      "label": "",
+      "contract": {
+        "script": "DCECs2Ir9AF73+MXxYrtX0x1PyBrfbiWBG+n13S7xL9/jcJBVuezJw==",
+        "parameters": [
+          {
+            "name": "parameter0",
+            "type": "Signature"
+          }
+        ],
+        "deployed": false
+      },
+      "lock": false,
+      "isdefault": false
+    }
+  ],
+  "scrypt": {
+    "n": 16384,
+    "r": 8,
+    "p": 8
+  },
+  "extra": {
+    "Tokens": null
+  }
+}
+`
+
 func iteratorToArray(iter *storage.Iterator) []stackitem.Item {
 	stackItems := make([]stackitem.Item, 0)
 	for iter.Next() {
@@ -21,3 +83,146 @@ func newExecutor(t *testing.T) *neotest.Executor {
 	bc, acc := chain.NewSingle(t)
 	return neotest.NewExecutor(t, bc, acc, acc)
 }
+
+func initTmpWallet(t *testing.T) string {
+	f, err := os.CreateTemp("", "tmp-neo-go-wallet")
+	require.NoError(t, err)
+
+	_, err = f.WriteString(nodeWallet)
+	require.NoError(t, err)
+
+	err = f.Close()
+	require.NoError(t, err)
+	return f.Name()
+}
+
+func await(ctx context.Context, t *testing.T, rpc *rpcclient.Client, tx util.Uint256, vub uint32) *state.AppExecResult {
+	waitCtx, waitCancel := context.WithTimeout(ctx, 5*time.Second)
+	defer waitCancel()
+
+	for {
+		select {
+		case <-waitCtx.Done():
+			require.NoError(t, waitCtx.Err())
+			return nil
+		default:
+			bc, err := rpc.GetBlockCount()
+			require.NoError(t, err)
+
+			tr := trigger.Application
+			if log, err := rpc.GetApplicationLog(tx, &tr); err == nil {
+				return &state.AppExecResult{
+					Container: log.Container,
+					Execution: log.Executions[0],
+				}
+			}
+
+			require.LessOrEqual(t, bc, vub, "vub is expired")
+			time.Sleep(100 * time.Millisecond)
+		}
+	}
+}
+
+func neogoCfg() config.Config {
+	return config.Config{
+		ProtocolConfiguration: config.ProtocolConfiguration{},
+		ApplicationConfiguration: config.ApplicationConfiguration{
+			RPC: config.RPC{
+				BasicService: config.BasicService{
+					Enabled: true,
+					// See how tests are done in the neo-go itself:
+					// https://github.com/nspcc-dev/neo-go/blob/5fc61be5f6c5349d8de8b61967380feee6b51c55/config/protocol.unit_testnet.single.yml#L61
+					Addresses: []string{"localhost:0"},
+				},
+				MaxGasInvoke:           200_000_000,
+				SessionEnabled:         true,
+				MaxIteratorResultItems: 100,
+				SessionPoolSize:        20,
+				SessionExpirationTime:  15,
+			},
+			DBConfiguration: dbconfig.DBConfiguration{
+				Type: dbconfig.InMemoryDB,
+			},
+		},
+	}
+}
+
+func consensusCfg(chain *core.Blockchain, walletAddress string, srv *network.Server) consensus.Config {
+	return consensus.Config{
+		Logger:                zap.NewExample(),
+		Broadcast:             srv.BroadcastExtensible,
+		BlockQueue:            srv.GetBlockQueue(),
+		Chain:                 chain,
+		ProtocolConfiguration: chain.GetConfig().ProtocolConfiguration,
+		RequestTx:             srv.RequestTx,
+		StopTxFlow:            srv.StopTxFlow,
+		Wallet: config.Wallet{
+			Path:     walletAddress,
+			Password: "one",
+		},
+		TimePerBlock: 100 * time.Millisecond,
+	}
+}
+
+func runRPC(ctx context.Context, t *testing.T, chain *core.Blockchain, walletPath string) string {
+	log := zap.NewExample()
+	cfg := neogoCfg()
+
+	srvCfg, err := network.NewServerConfig(cfg)
+	require.NoError(t, err)
+	srv, err := network.NewServer(srvCfg, chain, chain.GetStateSyncModule(), log)
+	require.NoError(t, err)
+
+	t.Cleanup(srv.Shutdown)
+
+	errCh := make(chan error)
+	go func() {
+		for err := range errCh {
+			require.NoError(t, err)
+			return
+		}
+	}()
+
+	srMod := chain.GetStateModule().(*corestate.Module)
+	sr, err := stateroot.New(srvCfg.StateRootCfg, srMod, log, chain, srv.BroadcastExtensible)
+	require.NoError(t, err)
+	srv.AddExtensibleService(sr, stateroot.Category, sr.OnPayload)
+
+	consens, err := consensus.NewService(consensusCfg(chain, walletPath, srv))
+	require.NoError(t, err)
+	srv.AddConsensusService(consens, consens.OnPayload, consens.OnTransaction)
+
+	rpcSrv := rpcsrv.New(chain, cfg.ApplicationConfiguration.RPC, srv, nil, log, errCh)
+	srv.AddService(&rpcSrv)
+
+	initialAddr := rpcSrv.Addresses()[0]
+
+	go srv.Start()
+
+	// wait until RPC server is started
+	startTimeout, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+
+	ticker := time.NewTicker(time.Millisecond * 100)
+	defer ticker.Stop()
+
+	var actualAddr string
+	for {
+		select {
+		case <-startTimeout.Done():
+			t.Fatalf("Waiting for server start: %v", startTimeout.Err())
+		case <-ticker.C:
+			if actualAddr == "" {
+				newAddr := rpcSrv.Addresses()[0]
+				if initialAddr == newAddr {
+					continue
+				}
+				actualAddr = newAddr
+				t.Logf("RPC server is listening at %s, checking health", actualAddr)
+			}
+			if _, err = http.Get("http://" + actualAddr); err == nil {
+				return actualAddr
+			}
+		}
+	}
+}