core: prevent access to uninitialized NotaryAssisted fee

Signed-off-by: Anna Shaleva <shaleva.ann@nspcc.ru>

cli/nep_test/nep17_test.go

@@ -9,6 +9,7 @@ import (
 	"testing"
 
 	"github.com/nspcc-dev/neo-go/internal/testcli"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativehashes"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
 	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
 	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
@@ -237,7 +238,7 @@ func TestNEP17Transfer(t *testing.T) {
 		e.CheckAwaitableTxPersisted(t)
 	})
 
-	cmd = append(cmd, "--to", address.Uint160ToString(e.Chain.GetNotaryContractScriptHash()),
+	cmd = append(cmd, "--to", address.Uint160ToString(nativehashes.Notary),
 		"[", testcli.ValidatorAddr, strconv.Itoa(int(validTil)), "]")
 
 	t.Run("with data", func(t *testing.T) {

config/protocol.mainnet.neofs.yml

@@ -25,8 +25,9 @@ ProtocolConfiguration:
   P2PSigExtensions: true
   Hardforks:
     Aspidochelone: 3000000
-    Basilisk: 4500000
-    Cockatrice: 5800000
+    Basilisk: 3500000
+    Cockatrice: 3500000
+    Domovoi: 3500000
 
 ApplicationConfiguration:
   SkipBlockVerification: false

docs/node-configuration.md

@@ -341,7 +341,7 @@ protocol-related settings described in the table below.
 | MaxValidUntilBlockIncrement | `uint32` | `5760` | Upper height increment limit for transaction's ValidUntilBlock field value relative to the current blockchain height, exceeding which a transaction will fail validation. It is set to estimated daily number of blocks with 15s interval by default. |
 | MemPoolSize | `int` | `50000` | Size of the node's memory pool where transactions are stored before they are added to block. |
 | P2PNotaryRequestPayloadPoolSize | `int` | `1000` | Size of the node's P2P Notary request payloads memory pool where P2P Notary requests are stored before main or fallback transaction is completed and added to the chain.<br>This option is valid only if `P2PSigExtensions` are enabled. | Not supported by the C# node, thus may affect heterogeneous networks functionality. |
-| P2PSigExtensions | `bool` | `false` | Enables following additional Notary service related logic:<br>• Transaction attribute `NotaryAssisted`<br>• Network payload of the `P2PNotaryRequest` type<br>• Native `Notary` contract<br>• Notary node module | Not supported by the C# node, thus may affect heterogeneous networks functionality. |
+| P2PSigExtensions | `bool` | `false` | Enables following additional Notary service related logic:<br>• Network payload of the `P2PNotaryRequest` type<br>• Notary node module | Not supported by the C# node, thus may affect heterogeneous networks functionality. |
 | P2PStateExchangeExtensions | `bool` | `false` | Enables the following P2P MPT state data exchange logic: <br>• `StateSyncInterval` protocol setting <br>• P2P commands `GetMPTDataCMD` and `MPTDataCMD` | Not supported by the C# node, thus may affect heterogeneous networks functionality. Can be supported either on MPT-complete node (`KeepOnlyLatestState`=`false`) or on light GC-enabled node (`RemoveUntraceableBlocks=true`) in which case `KeepOnlyLatestState` setting doesn't change the behavior, an appropriate set of MPTs is always stored (see `RemoveUntraceableBlocks`). |
 | ReservedAttributes | `bool` | `false` | Allows to have reserved attributes range for experimental or private purposes. |
 | SeedList | `[]string` | [] | List of initial nodes addresses used to establish connectivity. |

internal/basicchain/basic.go

@@ -8,6 +8,7 @@ import (
 	"path/filepath"
 	"testing"
 
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/native"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/noderoles"
@@ -81,6 +82,11 @@ func Init(t *testing.T, rootpath string, e *neotest.Executor) {
 		t.Fatal("P2PSigExtensions should be enabled to init basic chain")
 	}
 
+	const notaryDepositHeight uint32 = 8
+	domovoiH, ok := e.Chain.GetConfig().Hardforks[config.HFDomovoi.String()]
+	require.Truef(t, ok, "%s hardfork should be enabled since basic chain uses Notary contract", config.HFDomovoi.String())
+	require.LessOrEqualf(t, domovoiH, notaryDepositHeight-1, "%s hardfork should be enabled starting from height %d, got: %d", config.HFDomovoi.String(), notaryDepositHeight-1, domovoiH)
+
 	var (
 		// examplesPrefix is a prefix of the example smart-contracts.
 		examplesPrefix = filepath.Join(rootpath, "examples")
@@ -189,6 +195,7 @@ func Init(t *testing.T, rootpath string, e *neotest.Executor) {
 	// Block #8: deposit some GAS to notary contract for priv0.
 	transferTxH = gasPriv0Invoker.Invoke(t, true, "transfer", priv0ScriptHash, notaryHash, 10_0000_0000, []any{priv0ScriptHash, int64(e.Chain.BlockHeight() + 1000)})
 	t.Logf("notaryDepositTxPriv0: %v", transferTxH.StringLE())
+	require.Equal(t, uint32(notaryDepositHeight), e.Chain.BlockHeight(), "notaryDepositHeight constant is out of date")
 
 	// Block #9: designate new Notary node.
 	ntr, err := wallet.NewWalletFromFile(path.Join(notaryModulePath, "./testdata/notary1.json"))

internal/fakechain/fakechain.go

@@ -33,7 +33,6 @@ type FakeChain struct {
 	txs                     map[util.Uint256]*transaction.Transaction
 	VerifyWitnessF          func() (int64, error)
 	MaxVerificationGAS      int64
-	NotaryContractScriptHash util.Uint160
 	NotaryDepositExpiration uint32
 	PostBlock               []func(func(*transaction.Transaction, *mempool.Pool, bool) bool, *mempool.Pool, *block.Block)
 	UtilityTokenBalance     *big.Int
@@ -111,14 +110,6 @@ func (chain *FakeChain) GetNotaryDepositExpiration(acc util.Uint160) uint32 {
 	panic("TODO")
 }
 
-// GetNotaryContractScriptHash implements the Blockchainer interface.
-func (chain *FakeChain) GetNotaryContractScriptHash() util.Uint160 {
-	if !chain.NotaryContractScriptHash.Equals(util.Uint160{}) {
-		return chain.NotaryContractScriptHash
-	}
-	panic("TODO")
-}
-
 // GetNotaryBalance implements the Blockchainer interface.
 func (chain *FakeChain) GetNotaryBalance(acc util.Uint160) *big.Int {
 	panic("TODO")

pkg/config/hardfork.go

@@ -27,6 +27,9 @@ const (
 	// https://github.com/neo-project/neo/pull/2925) and #3362 (ported from
 	// https://github.com/neo-project/neo/pull/3154).
 	HFCockatrice // Cockatrice
+	// HFDomovoi represents hard-fork introduced in #3476 (ported from
+	// https://github.com/neo-project/neo/pull/3290).
+	HFDomovoi // Domovoi
 	// hfLast denotes the end of hardforks enum. Consider adding new hardforks
 	// before hfLast.
 	hfLast

pkg/config/hardfork_string.go

@@ -12,13 +12,15 @@ func _() {
 	_ = x[HFAspidochelone-1]
 	_ = x[HFBasilisk-2]
 	_ = x[HFCockatrice-4]
-	_ = x[hfLast-8]
+	_ = x[HFDomovoi-8]
+	_ = x[hfLast-16]
 }
 
 const (
 	_Hardfork_name_0 = "DefaultAspidocheloneBasilisk"
 	_Hardfork_name_1 = "Cockatrice"
-	_Hardfork_name_2 = "hfLast"
+	_Hardfork_name_2 = "Domovoi"
+	_Hardfork_name_3 = "hfLast"
 )
 
 var (
@@ -33,6 +35,8 @@ func (i Hardfork) String() string {
 		return _Hardfork_name_1
 	case i == 8:
 		return _Hardfork_name_2
+	case i == 16:
+		return _Hardfork_name_3
 	default:
 		return "Hardfork(" + strconv.FormatInt(int64(i), 10) + ")"
 	}

pkg/core/blockchain.go

@@ -22,6 +22,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/core/mempool"
 	"github.com/nspcc-dev/neo-go/pkg/core/mpt"
 	"github.com/nspcc-dev/neo-go/pkg/core/native"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativehashes"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/noderoles"
 	"github.com/nspcc-dev/neo-go/pkg/core/state"
 	"github.com/nspcc-dev/neo-go/pkg/core/stateroot"
@@ -1070,7 +1071,7 @@ func (bc *Blockchain) isHardforkEnabled(hf *config.Hardfork, blockHeight uint32)
 	hfs := bc.config.Hardforks
 	if hf != nil {
 		start, ok := hfs[hf.String()]
-		if !ok || start < blockHeight {
+		if !ok || start > blockHeight {
 			return false
 		}
 	}
@@ -2104,26 +2105,30 @@ func (bc *Blockchain) GetGoverningTokenBalance(acc util.Uint160) (*big.Int, uint
 }
 
 // GetNotaryBalance returns Notary deposit amount for the specified account.
+// Default value is returned if Notary contract is not yet active.
 func (bc *Blockchain) GetNotaryBalance(acc util.Uint160) *big.Int {
+	if !bc.isHardforkEnabled(bc.contracts.Notary.ActiveIn(), bc.BlockHeight()) {
+		return nil
+	}
 	return bc.contracts.Notary.BalanceOf(bc.dao, acc)
 }
 
 // GetNotaryServiceFeePerKey returns a NotaryAssisted transaction attribute fee
 // per key which is a reward per notary request key for designated notary nodes.
+// Default value is returned if Notary contract is not yet active.
 func (bc *Blockchain) GetNotaryServiceFeePerKey() int64 {
+	if !bc.isHardforkEnabled(&transaction.NotaryAssistedActivation, bc.BlockHeight()) {
+		return 0
+	}
 	return bc.contracts.Policy.GetAttributeFeeInternal(bc.dao, transaction.NotaryAssistedT)
 }
 
-// GetNotaryContractScriptHash returns Notary native contract hash.
-func (bc *Blockchain) GetNotaryContractScriptHash() util.Uint160 {
-	if bc.P2PSigExtensionsEnabled() {
-		return bc.contracts.Notary.Hash
-	}
-	return util.Uint160{}
-}
-
 // GetNotaryDepositExpiration returns Notary deposit expiration height for the specified account.
+// Default value is returned if Notary contract is not yet active.
 func (bc *Blockchain) GetNotaryDepositExpiration(acc util.Uint160) uint32 {
+	if !bc.isHardforkEnabled(bc.contracts.Notary.ActiveIn(), bc.BlockHeight()) {
+		return 0
+	}
 	return bc.contracts.Notary.ExpirationOf(bc.dao, acc)
 }
 
@@ -2695,10 +2700,10 @@ func (bc *Blockchain) verifyTxAttributes(d *dao.Simple, tx *transaction.Transact
 				return fmt.Errorf("%w: conflicting transaction %s is already on chain", ErrInvalidAttribute, conflicts.Hash.StringLE())
 			}
 		case transaction.NotaryAssistedT:
-			if !bc.config.P2PSigExtensions {
-				return fmt.Errorf("%w: NotaryAssisted attribute was found, but P2PSigExtensions are disabled", ErrInvalidAttribute)
+			if !bc.isHardforkEnabled(&transaction.NotaryAssistedActivation, bc.BlockHeight()) {
+				return fmt.Errorf("%w: NotaryAssisted attribute was found, but %s is not active yet", ErrInvalidAttribute, transaction.NotaryAssistedActivation)
 			}
-			if !tx.HasSigner(bc.contracts.Notary.Hash) {
+			if !tx.HasSigner(nativehashes.Notary) {
 				return fmt.Errorf("%w: NotaryAssisted attribute was found, but transaction is not signed by the Notary native contract", ErrInvalidAttribute)
 			}
 		default:
@@ -3093,9 +3098,6 @@ func (bc *Blockchain) GetMaxVerificationGAS() int64 {
 
 // GetMaxNotValidBeforeDelta returns maximum NotValidBeforeDelta Notary limit.
 func (bc *Blockchain) GetMaxNotValidBeforeDelta() (uint32, error) {
-	if !bc.config.P2PSigExtensions {
-		panic("disallowed call to Notary") // critical error, thus panic.
-	}
 	if !bc.isHardforkEnabled(bc.contracts.Notary.ActiveIn(), bc.BlockHeight()) {
 		return 0, fmt.Errorf("native Notary is active starting from %s", bc.contracts.Notary.ActiveIn().String())
 	}

pkg/core/blockchain_core_test.go

@@ -370,6 +370,7 @@ func TestNewBlockchain_InitHardforks(t *testing.T) {
 			config.HFAspidochelone.String(): 0,
 			config.HFBasilisk.String():      0,
 			config.HFCockatrice.String():    0,
+			config.HFDomovoi.String():       0,
 		}, bc.GetConfig().Hardforks)
 	})
 	t.Run("empty set", func(t *testing.T) {
@@ -400,13 +401,14 @@ func TestNewBlockchain_InitHardforks(t *testing.T) {
 	})
 	t.Run("all present", func(t *testing.T) {
 		bc := newTestChainWithCustomCfg(t, func(c *config.Config) {
-			c.ProtocolConfiguration.Hardforks = map[string]uint32{config.HFAspidochelone.String(): 5, config.HFBasilisk.String(): 10, config.HFCockatrice.String(): 15}
+			c.ProtocolConfiguration.Hardforks = map[string]uint32{config.HFAspidochelone.String(): 5, config.HFBasilisk.String(): 10, config.HFCockatrice.String(): 15, config.HFDomovoi.String(): 20}
 			require.NoError(t, c.ProtocolConfiguration.Validate())
 		})
 		require.Equal(t, map[string]uint32{
 			config.HFAspidochelone.String(): 5,
 			config.HFBasilisk.String():      10,
 			config.HFCockatrice.String():    15,
+			config.HFDomovoi.String():       20,
 		}, bc.GetConfig().Hardforks)
 	})
 }

pkg/core/blockchain_neotest_test.go

@@ -271,7 +271,7 @@ func TestBlockchain_StartFromExistingDB(t *testing.T) {
 
 		_, _, _, err = chain.NewMultiWithCustomConfigAndStoreNoCheck(t, customConfig, cache)
 		require.Error(t, err)
-		require.True(t, strings.Contains(err.Error(), fmt.Sprintf("native %s: version mismatch for the latest hardfork Cockatrice (stored contract state differs from autogenerated one)", nativenames.CryptoLib)), err)
+		require.True(t, strings.Contains(err.Error(), fmt.Sprintf("native %s: version mismatch for the latest hardfork Domovoi (stored contract state differs from autogenerated one)", nativenames.CryptoLib)), err)
 	})
 
 	t.Run("good", func(t *testing.T) {
@@ -2057,7 +2057,12 @@ func TestBlockchain_VerifyTx(t *testing.T) {
 			}
 			t.Run("Disabled", func(t *testing.T) {
 				bcBad, validatorBad, committeeBad := chain.NewMultiWithCustomConfig(t, func(c *config.Blockchain) {
-					c.P2PSigExtensions = false
+					c.P2PSigExtensions = true
+					c.Hardforks = map[string]uint32{
+						config.HFAspidochelone.String(): 0,
+						config.HFBasilisk.String():      0,
+						config.HFCockatrice.String():    0,
+					}
 					c.ReservedAttributes = false
 				})
 				eBad := neotest.NewExecutor(t, bcBad, validatorBad, committeeBad)
@@ -2069,7 +2074,7 @@ func TestBlockchain_VerifyTx(t *testing.T) {
 				eBad.SignTx(t, tx, 1_0000_0000, eBad.Committee)
 				err := bcBad.VerifyTx(tx)
 				require.Error(t, err)
-				require.True(t, strings.Contains(err.Error(), "invalid attribute: NotaryAssisted attribute was found, but P2PSigExtensions are disabled"))
+				require.True(t, strings.Contains(err.Error(), "invalid attribute: NotaryAssisted attribute was found, but Domovoi is not active yet"))
 			})
 			t.Run("Enabled, insufficient network fee", func(t *testing.T) {
 				tx := getNotaryAssistedTx(e, 1, 0)
@@ -2572,7 +2577,7 @@ func TestBlockchain_GenesisTransactionExtension(t *testing.T) {
 // in the right order.
 func TestNativenames(t *testing.T) {
 	bc, _ := chain.NewSingleWithCustomConfig(t, func(cfg *config.Blockchain) {
-		cfg.Hardforks = map[string]uint32{}
+		cfg.Hardforks = nil // default (all hardforks enabled) behaviour.
 		cfg.P2PSigExtensions = true
 	})
 	natives := bc.GetNatives()

pkg/core/interop/context.go

@@ -247,7 +247,7 @@ func (c *ContractMD) HFSpecificContractMD(hf *config.Hardfork) *HFSpecificContra
 	}
 	md, ok := c.mdCache[key]
 	if !ok {
-		panic(fmt.Errorf("native contract descriptor cache is not initialized: contract %s, hardfork %s", c.Hash.StringLE(), key))
+		panic(fmt.Errorf("native contract descriptor cache is not initialized: contract %s (%s), hardfork %s", c.Hash.StringLE(), c.Name, key))
 	}
 	if md == nil {
 		panic(fmt.Errorf("native contract descriptor cache is nil: contract %s, hardfork %s", c.Hash.StringLE(), key))

pkg/core/native/contract.go

@@ -72,9 +72,9 @@ func NewContracts(cfg config.ProtocolConfiguration) *Contracts {
 	cs.Ledger = ledger
 	cs.Contracts = append(cs.Contracts, ledger)
 
-	gas := newGAS(int64(cfg.InitialGASSupply), cfg.P2PSigExtensions)
+	gas := newGAS(int64(cfg.InitialGASSupply))
 	neo := newNEO(cfg)
-	policy := newPolicy(cfg.P2PSigExtensions)
+	policy := newPolicy()
 	neo.GAS = gas
 	neo.Policy = policy
 	gas.NEO = neo
@@ -100,7 +100,6 @@ func NewContracts(cfg config.ProtocolConfiguration) *Contracts {
 	cs.Oracle = oracle
 	cs.Contracts = append(cs.Contracts, oracle)
 
-	if cfg.P2PSigExtensions {
 	notary := newNotary()
 	notary.GAS = gas
 	notary.NEO = neo
@@ -108,7 +107,6 @@ func NewContracts(cfg config.ProtocolConfiguration) *Contracts {
 	notary.Policy = policy
 	cs.Notary = notary
 	cs.Contracts = append(cs.Contracts, notary)
-	}
 
 	return cs
 }

pkg/core/native/management.go

@@ -610,8 +610,6 @@ func (m *Management) OnPersist(ic *interop.Context) error {
 			for _, hf := range config.Hardforks {
 				if _, ok := activeHFs[hf]; ok && ic.IsHardforkActivation(hf) {
 					isUpdate = true
-					activation := hf       // avoid loop variable pointer exporting.
-					activeIn = &activation // reuse ActiveIn variable for the initialization hardfork.
 					// Break immediately since native Initialize should be called starting from the first hardfork in a raw
 					// (if there are multiple hardforks with the same enabling height).
 					break
@@ -626,6 +624,10 @@ func (m *Management) OnPersist(ic *interop.Context) error {
 				currentActiveHFs = append(currentActiveHFs, hf)
 			}
 		}
+		// activeIn is not included into the activeHFs list.
+		if activeIn != nil && activeIn.Cmp(latestHF) > 0 {
+			latestHF = *activeIn
+		}
 		if !(isDeploy || isUpdate) {
 			continue
 		}
@@ -668,7 +670,7 @@ func (m *Management) OnPersist(ic *interop.Context) error {
 		// The rest of activating hardforks also require initialization.
 		for _, hf := range currentActiveHFs {
 			if err := native.Initialize(ic, &hf, hfSpecificMD); err != nil {
-				return fmt.Errorf("initializing %s native contract at HF %d: %w", md.Name, activeIn, err)
+				return fmt.Errorf("initializing %s native contract at HF %d: %w", md.Name, hf, err)
 			}
 		}
 

pkg/core/native/management_test.go

@@ -17,7 +17,7 @@ import (
 
 func TestDeployGetUpdateDestroyContract(t *testing.T) {
 	mgmt := newManagement()
-	mgmt.Policy = newPolicy(false)
+	mgmt.Policy = newPolicy()
 	d := dao.NewSimple(storage.NewMemoryStore(), false)
 	ic := &interop.Context{DAO: d}
 	err := mgmt.Initialize(ic, nil, nil)
@@ -95,7 +95,7 @@ func TestManagement_Initialize(t *testing.T) {
 
 func TestManagement_GetNEP17Contracts(t *testing.T) {
 	mgmt := newManagement()
-	mgmt.Policy = newPolicy(false)
+	mgmt.Policy = newPolicy()
 	d := dao.NewSimple(storage.NewMemoryStore(), false)
 	err := mgmt.Initialize(&interop.Context{DAO: d}, nil, nil)
 	require.NoError(t, err)

pkg/core/native/native_gas.go

@@ -23,7 +23,6 @@ type GAS struct {
 	Policy *Policy
 
 	initialSupply int64
-	p2pSigExtensionsEnabled bool
 }
 
 const gasContractID = -6
@@ -32,10 +31,9 @@ const gasContractID = -6
 const GASFactor = NEOTotalSupply
 
 // newGAS returns GAS native contract.
-func newGAS(init int64, p2pSigExtensionsEnabled bool) *GAS {
+func newGAS(init int64) *GAS {
 	g := &GAS{
 		initialSupply: init,
-		p2pSigExtensionsEnabled: p2pSigExtensionsEnabled,
 	}
 	defer g.BuildHFSpecificMD(g.ActiveIn())
 
@@ -122,7 +120,6 @@ func (g *GAS) OnPersist(ic *interop.Context) error {
 	var netFee int64
 	for _, tx := range ic.Block.Transactions {
 		netFee += tx.NetworkFee
-		if g.p2pSigExtensionsEnabled {
 		// Reward for NotaryAssisted attribute will be minted to designated notary nodes
 		// by Notary contract.
 		attrs := tx.GetAttributes(transaction.NotaryAssistedT)
@@ -131,7 +128,6 @@ func (g *GAS) OnPersist(ic *interop.Context) error {
 			netFee -= (int64(na.NKeys) + 1) * g.Policy.GetAttributeFeeInternal(ic.DAO, transaction.NotaryAssistedT)
 		}
 	}
-	}
 	g.mint(ic, primary, big.NewInt(int64(netFee)), false)
 	return nil
 }

pkg/core/native/native_test/management_test.go

@@ -47,7 +47,6 @@ var (
 		nativenames.Policy:      `{"id":-7,"hash":"0xcc5e4edd9f5f8dba8bb65734541df7a1c081c67b","nef":{"magic":860243278,"compiler":"neo-core-v3.0","source":"","tokens":[],"script":"EEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0A=","checksum":1094259016},"manifest":{"name":"PolicyContract","abi":{"methods":[{"name":"blockAccount","offset":0,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Boolean","safe":false},{"name":"getAttributeFee","offset":7,"parameters":[{"name":"attributeType","type":"Integer"}],"returntype":"Integer","safe":true},{"name":"getExecFeeFactor","offset":14,"parameters":[],"returntype":"Integer","safe":true},{"name":"getFeePerByte","offset":21,"parameters":[],"returntype":"Integer","safe":true},{"name":"getStoragePrice","offset":28,"parameters":[],"returntype":"Integer","safe":true},{"name":"isBlocked","offset":35,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Boolean","safe":true},{"name":"setAttributeFee","offset":42,"parameters":[{"name":"attributeType","type":"Integer"},{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"setExecFeeFactor","offset":49,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"setFeePerByte","offset":56,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"setStoragePrice","offset":63,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"unblockAccount","offset":70,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Boolean","safe":false}],"events":[]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null},"updatecounter":0}`,
 		nativenames.Designation: `{"id":-8,"hash":"0x49cf4e5378ffcd4dec034fd98a174c5491e395e2","nef":{"magic":860243278,"compiler":"neo-core-v3.0","source":"","tokens":[],"script":"EEEa93tnQBBBGvd7Z0A=","checksum":983638438},"manifest":{"name":"RoleManagement","abi":{"methods":[{"name":"designateAsRole","offset":0,"parameters":[{"name":"role","type":"Integer"},{"name":"nodes","type":"Array"}],"returntype":"Void","safe":false},{"name":"getDesignatedByRole","offset":7,"parameters":[{"name":"role","type":"Integer"},{"name":"index","type":"Integer"}],"returntype":"Array","safe":true}],"events":[{"name":"Designation","parameters":[{"name":"Role","type":"Integer"},{"name":"BlockIndex","type":"Integer"}]}]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null},"updatecounter":0}`,
 		nativenames.Oracle:      `{"id":-9,"hash":"0xfe924b7cfe89ddd271abaf7210a80a7e11178758","nef":{"magic":860243278,"compiler":"neo-core-v3.0","source":"","tokens":[],"script":"EEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0A=","checksum":2663858513},"manifest":{"name":"OracleContract","abi":{"methods":[{"name":"finish","offset":0,"parameters":[],"returntype":"Void","safe":false},{"name":"getPrice","offset":7,"parameters":[],"returntype":"Integer","safe":true},{"name":"request","offset":14,"parameters":[{"name":"url","type":"String"},{"name":"filter","type":"String"},{"name":"callback","type":"String"},{"name":"userData","type":"Any"},{"name":"gasForResponse","type":"Integer"}],"returntype":"Void","safe":false},{"name":"setPrice","offset":21,"parameters":[{"name":"price","type":"Integer"}],"returntype":"Void","safe":false},{"name":"verify","offset":28,"parameters":[],"returntype":"Boolean","safe":true}],"events":[{"name":"OracleRequest","parameters":[{"name":"Id","type":"Integer"},{"name":"RequestContract","type":"Hash160"},{"name":"Url","type":"String"},{"name":"Filter","type":"String"}]},{"name":"OracleResponse","parameters":[{"name":"Id","type":"Integer"},{"name":"OriginalTx","type":"Hash256"}]}]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null},"updatecounter":0}`,
-		nativenames.Notary:      `{"id":-10,"hash":"0xc1e14f19c3e60d0b9244d06dd7ba9b113135ec3b","nef":{"magic":860243278,"compiler":"neo-core-v3.0","source":"","tokens":[],"script":"EEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0A=","checksum":1110259869},"manifest":{"name":"Notary","abi":{"methods":[{"name":"balanceOf","offset":0,"parameters":[{"name":"addr","type":"Hash160"}],"returntype":"Integer","safe":true},{"name":"expirationOf","offset":7,"parameters":[{"name":"addr","type":"Hash160"}],"returntype":"Integer","safe":true},{"name":"getMaxNotValidBeforeDelta","offset":14,"parameters":[],"returntype":"Integer","safe":true},{"name":"lockDepositUntil","offset":21,"parameters":[{"name":"address","type":"Hash160"},{"name":"till","type":"Integer"}],"returntype":"Boolean","safe":false},{"name":"onNEP17Payment","offset":28,"parameters":[{"name":"from","type":"Hash160"},{"name":"amount","type":"Integer"},{"name":"data","type":"Any"}],"returntype":"Void","safe":false},{"name":"setMaxNotValidBeforeDelta","offset":35,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"verify","offset":42,"parameters":[{"name":"signature","type":"Signature"}],"returntype":"Boolean","safe":true},{"name":"withdraw","offset":49,"parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"}],"returntype":"Boolean","safe":false}],"events":[]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null},"updatecounter":0}`,
 	}
 	// cockatriceCSS holds serialized native contract states built for genesis block (with UpdateCounter 0)
 	// under assumption that hardforks from Aspidochelone to Cockatrice (included) are enabled.
@@ -55,6 +54,12 @@ var (
 		nativenames.CryptoLib: `{"id":-3,"hash":"0x726cb6e0cd8628a1350a611384688911ab75f51b","nef":{"magic":860243278,"compiler":"neo-core-v3.0","source":"","tokens":[],"script":"EEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0A=","checksum":1094259016},"manifest":{"name":"CryptoLib","abi":{"methods":[{"name":"bls12381Add","offset":0,"parameters":[{"name":"x","type":"InteropInterface"},{"name":"y","type":"InteropInterface"}],"returntype":"InteropInterface","safe":true},{"name":"bls12381Deserialize","offset":7,"parameters":[{"name":"data","type":"ByteArray"}],"returntype":"InteropInterface","safe":true},{"name":"bls12381Equal","offset":14,"parameters":[{"name":"x","type":"InteropInterface"},{"name":"y","type":"InteropInterface"}],"returntype":"Boolean","safe":true},{"name":"bls12381Mul","offset":21,"parameters":[{"name":"x","type":"InteropInterface"},{"name":"mul","type":"ByteArray"},{"name":"neg","type":"Boolean"}],"returntype":"InteropInterface","safe":true},{"name":"bls12381Pairing","offset":28,"parameters":[{"name":"g1","type":"InteropInterface"},{"name":"g2","type":"InteropInterface"}],"returntype":"InteropInterface","safe":true},{"name":"bls12381Serialize","offset":35,"parameters":[{"name":"g","type":"InteropInterface"}],"returntype":"ByteArray","safe":true},{"name":"keccak256","offset":42,"parameters":[{"name":"data","type":"ByteArray"}],"returntype":"ByteArray","safe":true},{"name":"murmur32","offset":49,"parameters":[{"name":"data","type":"ByteArray"},{"name":"seed","type":"Integer"}],"returntype":"ByteArray","safe":true},{"name":"ripemd160","offset":56,"parameters":[{"name":"data","type":"ByteArray"}],"returntype":"ByteArray","safe":true},{"name":"sha256","offset":63,"parameters":[{"name":"data","type":"ByteArray"}],"returntype":"ByteArray","safe":true},{"name":"verifyWithECDsa","offset":70,"parameters":[{"name":"message","type":"ByteArray"},{"name":"pubkey","type":"ByteArray"},{"name":"signature","type":"ByteArray"},{"name":"curveHash","type":"Integer"}],"returntype":"Boolean","safe":true}],"events":[]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null},"updatecounter":0}`,
 		nativenames.Neo:       `{"id":-5,"hash":"0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5","nef":{"magic":860243278,"compiler":"neo-core-v3.0","source":"","tokens":[],"script":"EEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0A=","checksum":1325686241},"manifest":{"name":"NeoToken","abi":{"methods":[{"name":"balanceOf","offset":0,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Integer","safe":true},{"name":"decimals","offset":7,"parameters":[],"returntype":"Integer","safe":true},{"name":"getAccountState","offset":14,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Array","safe":true},{"name":"getAllCandidates","offset":21,"parameters":[],"returntype":"InteropInterface","safe":true},{"name":"getCandidateVote","offset":28,"parameters":[{"name":"pubKey","type":"PublicKey"}],"returntype":"Integer","safe":true},{"name":"getCandidates","offset":35,"parameters":[],"returntype":"Array","safe":true},{"name":"getCommittee","offset":42,"parameters":[],"returntype":"Array","safe":true},{"name":"getCommitteeAddress","offset":49,"parameters":[],"returntype":"Hash160","safe":true},{"name":"getGasPerBlock","offset":56,"parameters":[],"returntype":"Integer","safe":true},{"name":"getNextBlockValidators","offset":63,"parameters":[],"returntype":"Array","safe":true},{"name":"getRegisterPrice","offset":70,"parameters":[],"returntype":"Integer","safe":true},{"name":"registerCandidate","offset":77,"parameters":[{"name":"pubkey","type":"PublicKey"}],"returntype":"Boolean","safe":false},{"name":"setGasPerBlock","offset":84,"parameters":[{"name":"gasPerBlock","type":"Integer"}],"returntype":"Void","safe":false},{"name":"setRegisterPrice","offset":91,"parameters":[{"name":"registerPrice","type":"Integer"}],"returntype":"Void","safe":false},{"name":"symbol","offset":98,"parameters":[],"returntype":"String","safe":true},{"name":"totalSupply","offset":105,"parameters":[],"returntype":"Integer","safe":true},{"name":"transfer","offset":112,"parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"},{"name":"amount","type":"Integer"},{"name":"data","type":"Any"}],"returntype":"Boolean","safe":false},{"name":"unclaimedGas","offset":119,"parameters":[{"name":"account","type":"Hash160"},{"name":"end","type":"Integer"}],"returntype":"Integer","safe":true},{"name":"unregisterCandidate","offset":126,"parameters":[{"name":"pubkey","type":"PublicKey"}],"returntype":"Boolean","safe":false},{"name":"vote","offset":133,"parameters":[{"name":"account","type":"Hash160"},{"name":"voteTo","type":"PublicKey"}],"returntype":"Boolean","safe":false}],"events":[{"name":"Transfer","parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"},{"name":"amount","type":"Integer"}]},{"name":"CandidateStateChanged","parameters":[{"name":"pubkey","type":"PublicKey"},{"name":"registered","type":"Boolean"},{"name":"votes","type":"Integer"}]},{"name":"Vote","parameters":[{"name":"account","type":"Hash160"},{"name":"from","type":"PublicKey"},{"name":"to","type":"PublicKey"},{"name":"amount","type":"Integer"}]},{"name":"CommitteeChanged","parameters":[{"name":"old","type":"Array"},{"name":"new","type":"Array"}]}]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":["NEP-17"],"trusts":[],"extra":null},"updatecounter":0}`,
 	}
+	// domovoiCSS holds serialized native contract states built for genesis block (with UpdateCounter 0)
+	// under assumption that hardforks from Aspidochelone to Domovoi (included) are enabled.
+	domovoiCSS = map[string]string{
+		nativenames.Notary: `{"id":-10,"hash":"0xc1e14f19c3e60d0b9244d06dd7ba9b113135ec3b","nef":{"magic":860243278,"compiler":"neo-core-v3.0","source":"","tokens":[],"script":"EEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0A=","checksum":1110259869},"manifest":{"name":"Notary","abi":{"methods":[{"name":"balanceOf","offset":0,"parameters":[{"name":"addr","type":"Hash160"}],"returntype":"Integer","safe":true},{"name":"expirationOf","offset":7,"parameters":[{"name":"addr","type":"Hash160"}],"returntype":"Integer","safe":true},{"name":"getMaxNotValidBeforeDelta","offset":14,"parameters":[],"returntype":"Integer","safe":true},{"name":"lockDepositUntil","offset":21,"parameters":[{"name":"address","type":"Hash160"},{"name":"till","type":"Integer"}],"returntype":"Boolean","safe":false},{"name":"onNEP17Payment","offset":28,"parameters":[{"name":"from","type":"Hash160"},{"name":"amount","type":"Integer"},{"name":"data","type":"Any"}],"returntype":"Void","safe":false},{"name":"setMaxNotValidBeforeDelta","offset":35,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"verify","offset":42,"parameters":[{"name":"signature","type":"Signature"}],"returntype":"Boolean","safe":true},{"name":"withdraw","offset":49,"parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"}],"returntype":"Boolean","safe":false}],"events":[]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null},"updatecounter":0}`,
+		nativenames.Policy: `{"id":-7,"hash":"0xcc5e4edd9f5f8dba8bb65734541df7a1c081c67b","nef":{"magic":860243278,"compiler":"neo-core-v3.0","source":"","tokens":[],"script":"EEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0AQQRr3e2dAEEEa93tnQBBBGvd7Z0A=","checksum":1094259016},"manifest":{"name":"PolicyContract","abi":{"methods":[{"name":"blockAccount","offset":0,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Boolean","safe":false},{"name":"getAttributeFee","offset":7,"parameters":[{"name":"attributeType","type":"Integer"}],"returntype":"Integer","safe":true},{"name":"getExecFeeFactor","offset":14,"parameters":[],"returntype":"Integer","safe":true},{"name":"getFeePerByte","offset":21,"parameters":[],"returntype":"Integer","safe":true},{"name":"getStoragePrice","offset":28,"parameters":[],"returntype":"Integer","safe":true},{"name":"isBlocked","offset":35,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Boolean","safe":true},{"name":"setAttributeFee","offset":42,"parameters":[{"name":"attributeType","type":"Integer"},{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"setExecFeeFactor","offset":49,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"setFeePerByte","offset":56,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"setStoragePrice","offset":63,"parameters":[{"name":"value","type":"Integer"}],"returntype":"Void","safe":false},{"name":"unblockAccount","offset":70,"parameters":[{"name":"account","type":"Hash160"}],"returntype":"Boolean","safe":false}],"events":[]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null},"updatecounter":0}`,
+	}
 )
 
 func init() {
@@ -63,6 +68,11 @@ func init() {
 			cockatriceCSS[k] = v
 		}
 	}
+	for k, v := range cockatriceCSS {
+		if _, ok := domovoiCSS[k]; !ok {
+			domovoiCSS[k] = v
+		}
+	}
 }
 
 func newManagementClient(t *testing.T) *neotest.ContractInvoker {
@@ -91,6 +101,10 @@ func TestManagement_GenesisNativeState(t *testing.T) {
 			h := state.CreateNativeContractHash(name)
 			c.InvokeAndCheck(t, func(t testing.TB, stack []stackitem.Item) {
 				si := stack[0]
+				if _, ok := expected[name]; !ok {
+					require.Equal(t, stackitem.Null{}, si, fmt.Errorf("contract %s state found", name))
+					return
+				}
 				var cs = &state.Contract{}
 				require.NoError(t, cs.FromStackItem(si), name)
 				jBytes, err := ojson.Marshal(cs)
@@ -113,6 +127,7 @@ func TestManagement_GenesisNativeState(t *testing.T) {
 				config.HFAspidochelone.String(): 100500,
 				config.HFBasilisk.String():      100500,
 				config.HFCockatrice.String():    100500,
+				config.HFDomovoi.String():       100500,
 			}
 			cfg.P2PSigExtensions = true
 		})
@@ -148,15 +163,31 @@ func TestManagement_GenesisNativeState(t *testing.T) {
 		})
 		check(t, mgmt, cockatriceCSS)
 	})
+	t.Run("Domovoi enabled", func(t *testing.T) {
+		mgmt := newCustomManagementClient(t, func(cfg *config.Blockchain) {
+			cfg.Hardforks = map[string]uint32{
+				config.HFAspidochelone.String(): 0,
+				config.HFBasilisk.String():      0,
+				config.HFCockatrice.String():    0,
+				config.HFDomovoi.String():       0,
+			}
+			cfg.P2PSigExtensions = true
+		})
+		check(t, mgmt, domovoiCSS)
+	})
 }
 
 func TestManagement_NativeDeployUpdateNotifications(t *testing.T) {
-	const cockatriceHeight = 3
+	const (
+		cockatriceHeight = 3
+		domovoiHeight    = 5
+	)
 	mgmt := newCustomManagementClient(t, func(cfg *config.Blockchain) {
 		cfg.Hardforks = map[string]uint32{
 			config.HFAspidochelone.String(): 0,
 			config.HFBasilisk.String():      0,
 			config.HFCockatrice.String():    cockatriceHeight,
+			config.HFDomovoi.String():       domovoiHeight,
 		}
 		cfg.P2PSigExtensions = true
 	})
@@ -169,6 +200,8 @@ func TestManagement_NativeDeployUpdateNotifications(t *testing.T) {
 	var expected []state.NotificationEvent
 	for _, name := range nativenames.All {
 		switch name {
+		case nativenames.Notary:
+			continue
 		case nativenames.Gas:
 			expected = append(expected, state.NotificationEvent{
 				ScriptHash: nativehashes.GasToken,
@@ -200,7 +233,7 @@ func TestManagement_NativeDeployUpdateNotifications(t *testing.T) {
 	}
 	require.Equal(t, expected, aer[0].Events)
 
-	// Generate some blocks and check Update notifications.
+	// Generate some blocks and check Update notifications for Cockatrice hardfork.
 	cockatriceBlock := mgmt.GenerateNewBlocks(t, cockatriceHeight)[cockatriceHeight-1]
 	aer, err = mgmt.Chain.GetAppExecResults(cockatriceBlock.Hash(), trigger.OnPersist)
 	require.NoError(t, err)
@@ -216,15 +249,42 @@ func TestManagement_NativeDeployUpdateNotifications(t *testing.T) {
 		})
 	}
 	require.Equal(t, expected, aer[0].Events)
+
+	// Generate some blocks and check Deploy notifications for Domovoi hardfork.
+	mgmt.GenerateNewBlocks(t, domovoiHeight-int(mgmt.Chain.BlockHeight()))
+	aer, err = mgmt.Chain.GetAppExecResults(mgmt.Chain.GetHeaderHash(mgmt.Chain.BlockHeight()), trigger.OnPersist)
+	require.NoError(t, err)
+	require.Equal(t, 1, len(aer))
+	expected = expected[:0]
+	expected = append(expected, state.NotificationEvent{
+		ScriptHash: nativehashes.ContractManagement,
+		Name:       "Update",
+		Item: stackitem.NewArray([]stackitem.Item{
+			stackitem.Make(nativehashes.PolicyContract),
+		}),
+	})
+	expected = append(expected, state.NotificationEvent{
+		ScriptHash: nativehashes.ContractManagement,
+		Name:       "Deploy",
+		Item: stackitem.NewArray([]stackitem.Item{
+			stackitem.Make(nativehashes.Notary),
+		}),
+	})
+	require.Equal(t, expected, aer[0].Events)
 }
 
 func TestManagement_NativeUpdate(t *testing.T) {
-	const cockatriceHeight = 3
+	const (
+		cockatriceHeight = 3
+		domovoiHeight    = 6
+	)
+
 	c := newCustomManagementClient(t, func(cfg *config.Blockchain) {
 		cfg.Hardforks = map[string]uint32{
 			config.HFAspidochelone.String(): 0,
 			config.HFBasilisk.String():      0,
 			config.HFCockatrice.String():    cockatriceHeight,
+			config.HFDomovoi.String():       domovoiHeight,
 		}
 		cfg.P2PSigExtensions = true
 	})
@@ -235,7 +295,12 @@ func TestManagement_NativeUpdate(t *testing.T) {
 		for _, name := range nativenames.All {
 			h := state.CreateNativeContractHash(name)
 			cs := c.Chain.GetContractState(h)
+			if name == nativenames.Notary {
+				require.Nil(t, cs, name)
+				continue
+			} else {
 				require.NotNil(t, cs, name)
+			}
 			jBytes, err := ojson.Marshal(cs)
 			require.NoError(t, err, name)
 			require.Equal(t, defaultCSS[name], string(jBytes), fmt.Errorf("contract %s state mismatch", name))
@@ -247,16 +312,50 @@ func TestManagement_NativeUpdate(t *testing.T) {
 	for _, name := range nativenames.All {
 		h := state.CreateNativeContractHash(name)
 		cs := c.Chain.GetContractState(h)
+		if name == nativenames.Notary {
+			require.Nil(t, cs, name)
+			continue
+		} else {
 			require.NotNil(t, cs, name)
+		}
+		var actual = cs
 		if name == nativenames.Neo || name == nativenames.CryptoLib {
 			// A tiny hack to reuse cockatriceCSS map in the check below.
 			require.Equal(t, uint16(1), cs.UpdateCounter, name)
-			cs.UpdateCounter--
+			cp := *cs
+			actual = &cp // avoid Management cache corruption.
+			actual.UpdateCounter--
 		}
-		jBytes, err := ojson.Marshal(cs)
+		jBytes, err := ojson.Marshal(actual)
 		require.NoError(t, err, name)
 		require.Equal(t, cockatriceCSS[name], string(jBytes), fmt.Errorf("contract %s state mismatch", name))
 	}
+
+	// Add some blocks up to the Domovoi enabling height and check the natives state.
+	for i := c.Chain.BlockHeight(); i < domovoiHeight-1; i++ {
+		c.AddNewBlock(t)
+		for _, name := range nativenames.All {
+			h := state.CreateNativeContractHash(name)
+			cs := c.Chain.GetContractState(h)
+			if name == nativenames.Notary {
+				require.Nil(t, cs, name)
+				continue
+			} else {
+				require.NotNil(t, cs, name)
+			}
+			var actual = cs
+			if name == nativenames.Neo || name == nativenames.CryptoLib {
+				// A tiny hack to reuse domovoiCSS map in the check below.
+				require.Equal(t, uint16(1), cs.UpdateCounter, name)
+				cp := *cs
+				actual = &cp // avoid Management cache corruption.
+				actual.UpdateCounter--
+			}
+			jBytes, err := ojson.Marshal(actual)
+			require.NoError(t, err, name)
+			require.Equal(t, domovoiCSS[name], string(jBytes), fmt.Errorf("contract %s state mismatch", name))
+		}
+	}
 }
 
 func TestManagement_NativeUpdate_Call(t *testing.T) {
@@ -292,12 +391,16 @@ func TestManagement_NativeUpdate_Call(t *testing.T) {
 // different block heights depending on hardfork settings. This test is located here since it
 // depends on defaultCSS and cockatriceCSS.
 func TestBlockchain_GetNatives(t *testing.T) {
-	const cockatriceHeight = 3
+	const (
+		cockatriceHeight = 3
+		domovoiHeight    = 6
+	)
 	bc, acc := chain.NewSingleWithCustomConfig(t, func(cfg *config.Blockchain) {
 		cfg.Hardforks = map[string]uint32{
 			config.HFAspidochelone.String(): 0,
 			config.HFBasilisk.String():      0,
 			config.HFCockatrice.String():    cockatriceHeight,
+			config.HFDomovoi.String():       domovoiHeight,
 		}
 		cfg.P2PSigExtensions = true
 	})
@@ -305,7 +408,7 @@ func TestBlockchain_GetNatives(t *testing.T) {
 
 	// Check genesis-based native contract states.
 	natives := bc.GetNatives()
-	require.Equal(t, len(nativenames.All), len(natives))
+	require.Equal(t, len(nativenames.All)-1, len(natives)) // Notary is deployed starting from D hardfork.
 	for _, cs := range natives {
 		csFull := state.Contract{
 			ContractBase:  cs.ContractBase,
@@ -316,10 +419,10 @@ func TestBlockchain_GetNatives(t *testing.T) {
 		require.Equal(t, defaultCSS[cs.Manifest.Name], string(jBytes), fmt.Errorf("contract %s state mismatch", cs.Manifest.Name))
 	}
 
-	// Check native state after update.
+	// Check native state after Cockatrice.
 	e.GenerateNewBlocks(t, cockatriceHeight)
 	natives = bc.GetNatives()
-	require.Equal(t, len(nativenames.All), len(natives))
+	require.Equal(t, len(nativenames.All)-1, len(natives)) // Notary is deployed starting from D hardfork.
 	for _, cs := range natives {
 		csFull := state.Contract{
 			ContractBase:  cs.ContractBase,
@@ -329,6 +432,20 @@ func TestBlockchain_GetNatives(t *testing.T) {
 		require.NoError(t, err, cs.Manifest.Name)
 		require.Equal(t, cockatriceCSS[cs.Manifest.Name], string(jBytes), fmt.Errorf("contract %s state mismatch", cs.Manifest.Name))
 	}
+
+	// Check native state after Domovoi.
+	e.GenerateNewBlocks(t, domovoiHeight-cockatriceHeight)
+	natives = bc.GetNatives()
+	require.Equal(t, len(nativenames.All), len(natives))
+	for _, cs := range natives {
+		csFull := state.Contract{
+			ContractBase:  cs.ContractBase,
+			UpdateCounter: 0, // Since we're comparing only state.NativeContract part, set the update counter to 0 to match the domovoiCSS.
+		}
+		jBytes, err := ojson.Marshal(csFull)
+		require.NoError(t, err, cs.Manifest.Name)
+		require.Equal(t, domovoiCSS[cs.Manifest.Name], string(jBytes), fmt.Errorf("contract %s state mismatch", cs.Manifest.Name))
+	}
 }
 
 func TestManagement_ContractCache(t *testing.T) {

pkg/core/native/notary.go

@@ -52,7 +52,10 @@ const (
 	defaultMaxNotValidBeforeDelta = 140 // 20 rounds for 7 validators, a little more than half an hour
 )
 
-var maxNotValidBeforeDeltaKey = []byte{10}
+var (
+	maxNotValidBeforeDeltaKey = []byte{10}
+	activeIn                  = config.HFDomovoi
+)
 
 var (
 	_ interop.Contract        = (*Notary)(nil)
@@ -200,7 +203,7 @@ func (n *Notary) PostPersist(ic *interop.Context) error {
 
 // ActiveIn implements the Contract interface.
 func (n *Notary) ActiveIn() *config.Hardfork {
-	return nil
+	return &activeIn
 }
 
 // onPayment records the deposited amount as belonging to "from" address with a lock

pkg/core/native/policy.go

@@ -63,9 +63,6 @@ var (
 type Policy struct {
 	interop.ContractMD
 	NEO *NEO
-
-	// p2pSigExtensionsEnabled defines whether the P2P signature extensions logic is relevant.
-	p2pSigExtensionsEnabled bool
 }
 
 type PolicyCache struct {
@@ -100,11 +97,8 @@ func copyPolicyCache(src, dst *PolicyCache) {
 }
 
 // newPolicy returns Policy native contract.
-func newPolicy(p2pSigExtensionsEnabled bool) *Policy {
-	p := &Policy{
-		ContractMD:              *interop.NewContractMD(nativenames.Policy, policyContractID),
-		p2pSigExtensionsEnabled: p2pSigExtensionsEnabled,
-	}
+func newPolicy() *Policy {
+	p := &Policy{ContractMD: *interop.NewContractMD(nativenames.Policy, policyContractID)}
 	defer p.BuildHFSpecificMD(p.ActiveIn())
 
 	desc := newDescriptor("getFeePerByte", smartcontract.IntegerType)
@@ -136,13 +130,24 @@ func newPolicy(p2pSigExtensionsEnabled bool) *Policy {
 
 	desc = newDescriptor("getAttributeFee", smartcontract.IntegerType,
 		manifest.NewParameter("attributeType", smartcontract.IntegerType))
-	md = newMethodAndPrice(p.getAttributeFee, 1<<15, callflag.ReadStates)
+	md = newMethodAndPrice(p.getAttributeFeeV0, 1<<15, callflag.ReadStates, config.HFDefault, transaction.NotaryAssistedActivation)
+	p.AddMethod(md, desc)
+
+	desc = newDescriptor("getAttributeFee", smartcontract.IntegerType,
+		manifest.NewParameter("attributeType", smartcontract.IntegerType))
+	md = newMethodAndPrice(p.getAttributeFeeV1, 1<<15, callflag.ReadStates, transaction.NotaryAssistedActivation)
 	p.AddMethod(md, desc)
 
 	desc = newDescriptor("setAttributeFee", smartcontract.VoidType,
 		manifest.NewParameter("attributeType", smartcontract.IntegerType),
 		manifest.NewParameter("value", smartcontract.IntegerType))
-	md = newMethodAndPrice(p.setAttributeFee, 1<<15, callflag.States)
+	md = newMethodAndPrice(p.setAttributeFeeV0, 1<<15, callflag.States, config.HFDefault, transaction.NotaryAssistedActivation)
+	p.AddMethod(md, desc)
+
+	desc = newDescriptor("setAttributeFee", smartcontract.VoidType,
+		manifest.NewParameter("attributeType", smartcontract.IntegerType),
+		manifest.NewParameter("value", smartcontract.IntegerType))
+	md = newMethodAndPrice(p.setAttributeFeeV1, 1<<15, callflag.States, transaction.NotaryAssistedActivation)
 	p.AddMethod(md, desc)
 
 	desc = newDescriptor("setFeePerByte", smartcontract.VoidType,
@@ -170,10 +175,7 @@ func (p *Policy) Metadata() *interop.ContractMD {
 
 // Initialize initializes Policy native contract and implements the Contract interface.
 func (p *Policy) Initialize(ic *interop.Context, hf *config.Hardfork, newMD *interop.HFSpecificContractMD) error {
-	if hf != p.ActiveIn() {
-		return nil
-	}
-
+	if hf == p.ActiveIn() {
 		setIntWithKey(p.ID, ic.DAO, feePerByteKey, defaultFeePerByte)
 		setIntWithKey(p.ID, ic.DAO, execFeeFactorKey, defaultExecFeeFactor)
 		setIntWithKey(p.ID, ic.DAO, storagePriceKey, DefaultStoragePrice)
@@ -186,11 +188,14 @@ func (p *Policy) Initialize(ic *interop.Context, hf *config.Hardfork, newMD *int
 			attributeFee:       map[transaction.AttrType]uint32{},
 			blockedAccounts:    make([]util.Uint160, 0),
 		}
-	if p.p2pSigExtensionsEnabled {
+		ic.DAO.SetCache(p.ID, cache)
+	}
+	if hf != nil && *hf == transaction.NotaryAssistedActivation {
 		setIntWithKey(p.ID, ic.DAO, []byte{attributeFeePrefix, byte(transaction.NotaryAssistedT)}, defaultNotaryAssistedFee)
+
+		cache := ic.DAO.GetRWCache(p.ID).(*PolicyCache)
 		cache.attributeFee[transaction.NotaryAssistedT] = defaultNotaryAssistedFee
 	}
-	ic.DAO.SetCache(p.ID, cache)
 
 	return nil
 }
@@ -363,9 +368,18 @@ func (p *Policy) setStoragePrice(ic *interop.Context, args []stackitem.Item) sta
 	return stackitem.Null{}
 }
 
-func (p *Policy) getAttributeFee(ic *interop.Context, args []stackitem.Item) stackitem.Item {
+func (p *Policy) getAttributeFeeV0(ic *interop.Context, args []stackitem.Item) stackitem.Item {
+	return p.getAttributeFeeGeneric(ic, args, false)
+}
+
+func (p *Policy) getAttributeFeeV1(ic *interop.Context, args []stackitem.Item) stackitem.Item {
+	return p.getAttributeFeeGeneric(ic, args, true)
+}
+
+func (p *Policy) getAttributeFeeGeneric(ic *interop.Context, args []stackitem.Item, allowNotaryAssisted bool) stackitem.Item {
 	t := transaction.AttrType(toUint8(args[0]))
-	if !transaction.IsValidAttrType(ic.Chain.GetConfig().ReservedAttributes, t) {
+	if !transaction.IsValidAttrType(ic.Chain.GetConfig().ReservedAttributes, t) ||
+		(!allowNotaryAssisted && t == transaction.NotaryAssistedT) {
 		panic(fmt.Errorf("invalid attribute type: %d", t))
 	}
 	return stackitem.NewBigInteger(big.NewInt(p.GetAttributeFeeInternal(ic.DAO, t)))
@@ -382,10 +396,19 @@ func (p *Policy) GetAttributeFeeInternal(d *dao.Simple, t transaction.AttrType)
 	return int64(v)
 }
 
-func (p *Policy) setAttributeFee(ic *interop.Context, args []stackitem.Item) stackitem.Item {
+func (p *Policy) setAttributeFeeV0(ic *interop.Context, args []stackitem.Item) stackitem.Item {
+	return p.setAttributeFeeGeneric(ic, args, false)
+}
+
+func (p *Policy) setAttributeFeeV1(ic *interop.Context, args []stackitem.Item) stackitem.Item {
+	return p.setAttributeFeeGeneric(ic, args, true)
+}
+
+func (p *Policy) setAttributeFeeGeneric(ic *interop.Context, args []stackitem.Item, allowNotaryAssisted bool) stackitem.Item {
 	t := transaction.AttrType(toUint8(args[0]))
 	value := toUint32(args[1])
-	if !transaction.IsValidAttrType(ic.Chain.GetConfig().ReservedAttributes, t) {
+	if !transaction.IsValidAttrType(ic.Chain.GetConfig().ReservedAttributes, t) ||
+		(!allowNotaryAssisted && t == transaction.NotaryAssistedT) {
 		panic(fmt.Errorf("invalid attribute type: %d", t))
 	}
 	if value > maxAttributeFee {

pkg/core/native/policy_test.go

@@ -4,9 +4,12 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/native"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativehashes"
 	"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/neotest/chain"
 	"github.com/stretchr/testify/require"
@@ -65,3 +68,51 @@ func TestPolicy_BlockedAccounts(t *testing.T) {
 		require.Equal(t, expectedErr, err.Error())
 	})
 }
+
+func TestPolicy_GetNotaryFeePerKey(t *testing.T) {
+	const domovoiHeight = 4
+	bc, acc := chain.NewSingleWithCustomConfig(t, func(c *config.Blockchain) {
+		c.Hardforks = map[string]uint32{
+			config.HFDomovoi.String(): domovoiHeight,
+		}
+	})
+	e := neotest.NewExecutor(t, bc, acc, acc)
+	p := e.CommitteeInvoker(nativehashes.PolicyContract)
+
+	// Invoke before Domovoi should fail.
+	p.InvokeFail(t, "invalid attribute type: 34", "getAttributeFee", int64(transaction.NotaryAssistedT))
+
+	for e.Chain.BlockHeight() < domovoiHeight-1 {
+		e.AddNewBlock(t)
+	}
+
+	// Invoke at Domovoi should return the default value.
+	p.Invoke(t, 1000_0000, "getAttributeFee", int64(transaction.NotaryAssistedT))
+
+	// Invoke after Domovoi should return the default value.
+	p.Invoke(t, 1000_0000, "getAttributeFee", int64(transaction.NotaryAssistedT))
+}
+
+func TestPolicy_SetNotaryFeePerKey(t *testing.T) {
+	const domovoiHeight = 4
+	bc, acc := chain.NewSingleWithCustomConfig(t, func(c *config.Blockchain) {
+		c.Hardforks = map[string]uint32{
+			config.HFDomovoi.String(): domovoiHeight,
+		}
+	})
+	e := neotest.NewExecutor(t, bc, acc, acc)
+	p := e.CommitteeInvoker(nativehashes.PolicyContract)
+
+	// Invoke before Domovoi should fail.
+	p.InvokeFail(t, "invalid attribute type: 34", "setAttributeFee", int64(transaction.NotaryAssistedT), 500_0000)
+
+	for e.Chain.BlockHeight() < domovoiHeight-1 {
+		e.AddNewBlock(t)
+	}
+
+	// Invoke at Domovoi should return the default value.
+	p.Invoke(t, nil, "setAttributeFee", int64(transaction.NotaryAssistedT), 500_0000)
+
+	// Invoke after Domovoi should return the default value.
+	p.Invoke(t, nil, "setAttributeFee", int64(transaction.NotaryAssistedT), 510_0000)
+}

pkg/core/transaction/notary_assisted.go

@@ -1,9 +1,14 @@
 package transaction
 
 import (
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/io"
 )
 
+// NotaryAssistedActivation stores the hardfork of NotaryAssisted transaction attribute
+// activation.
+var NotaryAssistedActivation = config.HFDomovoi
+
 // NotaryAssisted represents attribute for notary service transactions.
 type NotaryAssisted struct {
 	NKeys uint8 `json:"nkeys"`

pkg/network/server.go

@@ -21,6 +21,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/core/mempool"
 	"github.com/nspcc-dev/neo-go/pkg/core/mempoolevent"
 	"github.com/nspcc-dev/neo-go/pkg/core/mpt"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativehashes"
 	"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/io"
@@ -65,7 +66,6 @@ type (
 		GetMaxVerificationGAS() int64
 		GetMemPool() *mempool.Pool
 		GetNotaryBalance(acc util.Uint160) *big.Int
-		GetNotaryContractScriptHash() util.Uint160
 		GetNotaryDepositExpiration(acc util.Uint160) uint32
 		GetTransaction(util.Uint256) (*transaction.Transaction, uint32, error)
 		HasBlock(util.Uint256) bool
@@ -1228,7 +1228,7 @@ func (s *Server) verifyNotaryRequest(_ *transaction.Transaction, data any) error
 	if _, err := s.chain.VerifyWitness(payer, r, &r.Witness, s.chain.GetMaxVerificationGAS()); err != nil {
 		return fmt.Errorf("bad P2PNotaryRequest payload witness: %w", err)
 	}
-	notaryHash := s.chain.GetNotaryContractScriptHash()
+	notaryHash := nativehashes.Notary
 	if r.FallbackTransaction.Sender() != notaryHash {
 		return fmt.Errorf("P2PNotary contract should be a sender of the fallback transaction, got %s", address.Uint160ToString(r.FallbackTransaction.Sender()))
 	}

pkg/network/server_test.go

@@ -19,6 +19,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/core/block"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/mpt"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativehashes"
 	"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/network/capability"
@@ -1048,7 +1049,6 @@ func TestMemPool(t *testing.T) {
 func TestVerifyNotaryRequest(t *testing.T) {
 	bc := fakechain.NewFakeChain()
 	bc.MaxVerificationGAS = 10
-	bc.NotaryContractScriptHash = util.Uint160{1, 2, 3}
 	s, err := newServerFromConstructors(ServerConfig{Addresses: []config.AnnounceableAddress{{Address: ":0"}}}, bc, new(fakechain.FakeStateSync), zaptest.NewLogger(t), newFakeTransp, newTestDiscovery)
 	require.NoError(t, err)
 	newNotaryRequest := func() *payload.P2PNotaryRequest {
@@ -1059,7 +1059,7 @@ func TestVerifyNotaryRequest(t *testing.T) {
 			},
 			FallbackTransaction: &transaction.Transaction{
 				ValidUntilBlock: 321,
-				Signers:         []transaction.Signer{{Account: bc.NotaryContractScriptHash}, {Account: random.Uint160()}},
+				Signers:         []transaction.Signer{{Account: nativehashes.Notary}, {Account: random.Uint160()}},
 			},
 			Witness: transaction.Witness{},
 		}
@@ -1080,7 +1080,7 @@ func TestVerifyNotaryRequest(t *testing.T) {
 	t.Run("bad main sender", func(t *testing.T) {
 		bc.VerifyWitnessF = func() (int64, error) { return 0, nil }
 		r := newNotaryRequest()
-		r.MainTransaction.Signers[0] = transaction.Signer{Account: bc.NotaryContractScriptHash}
+		r.MainTransaction.Signers[0] = transaction.Signer{Account: nativehashes.Notary}
 		require.Error(t, s.verifyNotaryRequest(nil, r))
 	})
 

pkg/services/notary/core_test.go

@@ -14,6 +14,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/core"
 	"github.com/nspcc-dev/neo-go/pkg/core/block"
 	"github.com/nspcc-dev/neo-go/pkg/core/mempool"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativehashes"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/noderoles"
 	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
@@ -171,7 +172,7 @@ func TestNotary(t *testing.T) {
 		fallback.ValidUntilBlock = bc.BlockHeight() + 2*nvbDiffFallback
 		fallback.Signers = []transaction.Signer{
 			{
-				Account: bc.GetNotaryContractScriptHash(),
+				Account: nativehashes.Notary,
 				Scopes:  transaction.None,
 			},
 			{
@@ -240,7 +241,7 @@ func TestNotary(t *testing.T) {
 			verificationScripts = append(verificationScripts, script)
 		}
 		signers[len(signers)-1] = transaction.Signer{
-			Account: bc.GetNotaryContractScriptHash(),
+			Account: nativehashes.Notary,
 			Scopes:  transaction.None,
 		}
 		mainTx.Signers = signers
@@ -752,9 +753,9 @@ func TestNotary(t *testing.T) {
 	requester1, _ := wallet.NewAccount()
 	requester2, _ := wallet.NewAccount()
 	amount := int64(100_0000_0000)
-	gasValidatorInvoker.Invoke(t, true, "transfer", e.Validator.ScriptHash(), bc.GetNotaryContractScriptHash(), amount, []any{requester1.ScriptHash(), int64(bc.BlockHeight() + 50)})
+	gasValidatorInvoker.Invoke(t, true, "transfer", e.Validator.ScriptHash(), nativehashes.Notary, amount, []any{requester1.ScriptHash(), int64(bc.BlockHeight() + 50)})
 	e.CheckGASBalance(t, notaryHash, big.NewInt(amount))
-	gasValidatorInvoker.Invoke(t, true, "transfer", e.Validator.ScriptHash(), bc.GetNotaryContractScriptHash(), amount, []any{requester2.ScriptHash(), int64(bc.BlockHeight() + 50)})
+	gasValidatorInvoker.Invoke(t, true, "transfer", e.Validator.ScriptHash(), nativehashes.Notary, amount, []any{requester2.ScriptHash(), int64(bc.BlockHeight() + 50)})
 	e.CheckGASBalance(t, notaryHash, big.NewInt(2*amount))
 
 	// create request for 2 standard signatures => main tx should be completed after the second request is added to the pool

pkg/services/notary/notary.go

@@ -14,6 +14,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/core/block"
 	"github.com/nspcc-dev/neo-go/pkg/core/mempool"
 	"github.com/nspcc-dev/neo-go/pkg/core/mempoolevent"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativehashes"
 	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
@@ -31,7 +32,6 @@ type (
 	Ledger interface {
 		BlockHeight() uint32
 		GetMaxVerificationGAS() int64
-		GetNotaryContractScriptHash() util.Uint160
 		SubscribeForBlocks(ch chan *block.Block)
 		UnsubscribeFromBlocks(ch chan *block.Block)
 		VerifyWitness(util.Uint160, hash.Hashable, *transaction.Witness, int64) (int64, error)
@@ -408,7 +408,7 @@ func (n *Notary) finalize(acc *wallet.Account, tx *transaction.Transaction, h ut
 		VerificationScript: []byte{},
 	}
 	for i, signer := range tx.Signers {
-		if signer.Account == n.Config.Chain.GetNotaryContractScriptHash() {
+		if signer.Account == nativehashes.Notary {
 			tx.Scripts[i] = notaryWitness
 			break
 		}
@@ -510,7 +510,7 @@ func (n *Notary) verifyIncompleteWitnesses(tx *transaction.Transaction, nKeysExp
 	if len(tx.Signers) < 2 {
 		return nil, errors.New("transaction should have at least 2 signers")
 	}
-	if !tx.HasSigner(n.Config.Chain.GetNotaryContractScriptHash()) {
+	if !tx.HasSigner(nativehashes.Notary) {
 		return nil, fmt.Errorf("P2PNotary contract should be a signer of the transaction")
 	}
 	result := make([]witnessInfo, len(tx.Signers))

pkg/services/notary/notary_test.go

@@ -7,11 +7,11 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/config/netmode"
 	"github.com/nspcc-dev/neo-go/pkg/core/mempool"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativehashes"
 	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
-	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
 	"github.com/stretchr/testify/require"
 	"go.uber.org/zap/zaptest"
@@ -48,8 +48,7 @@ func TestWallet(t *testing.T) {
 
 func TestVerifyIncompleteRequest(t *testing.T) {
 	bc := fakechain.NewFakeChain()
-	notaryContractHash := util.Uint160{1, 2, 3}
-	bc.NotaryContractScriptHash = notaryContractHash
+	notaryContractHash := nativehashes.Notary
 	_, ntr, _ := getTestNotary(t, bc, "./testdata/notary1.json", "one")
 	sig := append([]byte{byte(opcode.PUSHDATA1), keys.SignatureLen}, make([]byte, keys.SignatureLen)...) // we're not interested in signature correctness
 	acc1, _ := keys.NewPrivateKey()

pkg/services/rpcsrv/client_test.go

@@ -465,6 +465,10 @@ func TestClientNEOContract(t *testing.T) {
 func TestClientNotary(t *testing.T) {
 	chain, _, httpSrv := initServerWithInMemoryChain(t)
 
+	// Domovoi should be enabled since this test uses Notary contract.
+	_, ok := chain.GetConfig().Hardforks[config.HFDomovoi.String()]
+	require.True(t, ok)
+
 	c, err := rpcclient.New(context.Background(), httpSrv.URL, rpcclient.Options{})
 	require.NoError(t, err)
 	t.Cleanup(c.Close)
@@ -2446,7 +2450,10 @@ func TestClient_GetVersion_Hardforks(t *testing.T) {
 	v, err := c.GetVersion()
 	require.NoError(t, err)
 	expected := map[config.Hardfork]uint32{
-		config.HFAspidochelone: 25,
+		config.HFAspidochelone: 0,
+		config.HFBasilisk:      0,
+		config.HFCockatrice:    0,
+		config.HFDomovoi:       0,
 	}
 	require.InDeltaMapValues(t, expected, v.Protocol.Hardforks, 0)
 }

pkg/services/rpcsrv/server.go

@@ -88,7 +88,6 @@ type (
 		GetNativeContractScriptHash(string) (util.Uint160, error)
 		GetNatives() []state.Contract
 		GetNextBlockValidators() ([]*keys.PublicKey, error)
-		GetNotaryContractScriptHash() util.Uint160
 		GetStateModule() core.StateRoot
 		GetStorageItem(id int32, key []byte) state.StorageItem
 		GetTestHistoricVM(t trigger.Type, tx *transaction.Transaction, nextBlockHeight uint32) (*interop.Context, error)

pkg/services/rpcsrv/server_helper_test.go

@@ -54,6 +54,7 @@ func getUnitTestChain(t testing.TB, enableOracle bool, enableNotary bool, disabl
 				Password: "one",
 			}
 		}
+		cfg.ProtocolConfiguration.Hardforks = nil
 	})
 }
 func getUnitTestChainWithCustomConfig(t testing.TB, enableOracle bool, enableNotary bool, customCfg func(configuration *config.Config)) (*core.Blockchain, OracleHandler, config.Config, *zap.Logger) {

pkg/services/rpcsrv/server_test.go

@@ -31,6 +31,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/core/block"
 	"github.com/nspcc-dev/neo-go/pkg/core/fee"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativehashes"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
 	"github.com/nspcc-dev/neo-go/pkg/core/state"
 	"github.com/nspcc-dev/neo-go/pkg/core/storage/dboper"
@@ -74,22 +75,22 @@ type rpcTestCase struct {
 }
 
 const genesisBlockHash = "0f8fb4e17d2ab9f3097af75ca7fd16064160fb8043db94909e00dd4e257b9dc4"
-const testContractHash = "565cff9508ebc75aadd7fe59f38dac610ab6093c"
-const deploymentTxHash = "a14390941cc3a1d87393eff720a722e9cd350bd6ed233c5fe2001326c80eb68e"
+const testContractHash = "449fe8fbd4523072f5e3a4dfa17a494c119d4c08"
+const deploymentTxHash = "af170742f0f8a2bc064bdbdb2faa2b517e3df833d4d047da8a946c0b8d581b06"
 
 const (
 	verifyContractHash                = "06ed5314c2e4cb103029a60b86d46afa2fb8f67c"
 	verifyContractAVM                 = "VwIAQS1RCDBwDBTunqIsJ+NL0BSPxBCOCPdOj1BIskrZMCQE2zBxaBPOStkoJATbKGlK2SgkBNsol0A="
-	verifyWithArgsContractHash        = "4dc916254efd2947c93b11207e8ffc0bb56161c5"
-	nnsContractHash                   = "892429fcd47c30f8451781acc627e8b20e0d64f3"
+	verifyWithArgsContractHash        = "6261b3bf753bdc3d24c1327a23fd891e1c8a7ccd"
+	nnsContractHash                   = "ebe47d5143bb8726b87b02efb5cd98e21174fd38"
 	nnsToken1ID                       = "6e656f2e636f6d"
-	nfsoContractHash                  = "730ebe719ab8e3b69d11dafc95cdb9bf409db179"
+	nfsoContractHash                  = "2f5c1826bb4da1c764a8871427e4044cf3e82dbd"
 	nfsoToken1ID                      = "7e244ffd6aa85fb1579d2ed22e9b761ab62e3486"
 	storageContractHash               = "ebc0c16a76c808cd4dde6bcc063f09e45e331ec7"
 	faultedTxHashLE                   = "82279bfe9bada282ca0f8cb8e0bb124b921af36f00c69a518320322c6f4fef60"
 	faultedTxBlock             uint32 = 23
 	invokescriptContractAVM           = "VwIADBQBDAMOBQYMDQIODw0DDgcJAAAAAErZMCQE2zBwaEH4J+yMqiYEEUAMFA0PAwIJAAIBAwcDBAUCAQAOBgwJStkwJATbMHFpQfgn7IyqJgQSQBNA"
-	block20StateRootLE                = "858c873539d6d24a70f2be13f9dafc61aef2b63c2aa16bb440676de6e44e3cf1"
+	block20StateRootLE                = "b49a35fd3a749fc2f7f4e5fe1f288ef2b6188416f65fe5b691892e8209092082"
 )
 
 var (
@@ -1381,7 +1382,7 @@ var rpcTestCases = map[string][]rpcTestCase{
 				script = append(script, 0x41, 0x62, 0x7d, 0x5b, 0x52)
 				return &result.Invoke{
 					State:       "HALT",
-					GasConsumed: 31922970,
+					GasConsumed: 31922730,
 					Script:      script,
 					Stack:       []stackitem.Item{stackitem.Make(true)},
 					Notifications: []state.NotificationEvent{{
@@ -1411,7 +1412,7 @@ var rpcTestCases = map[string][]rpcTestCase{
 				chg := []dboper.Operation{{
 					State: "Changed",
 					Key:   []byte{0xfa, 0xff, 0xff, 0xff, 0xb},
-					Value: []byte{0x54, 0xb2, 0xd2, 0xa3, 0x51, 0x79, 0x12},
+					Value: []byte{0x06, 0x44, 0xda, 0xa3, 0x51, 0x79, 0x12},
 				}, {
 					State: "Added",
 					Key:   []byte{0xfb, 0xff, 0xff, 0xff, 0x14, 0xd6, 0x24, 0x87, 0x12, 0xff, 0x97, 0x22, 0x80, 0xa0, 0xae, 0xf5, 0x24, 0x1c, 0x96, 0x4d, 0x63, 0x78, 0x29, 0xcd, 0xb},
@@ -1423,7 +1424,7 @@ var rpcTestCases = map[string][]rpcTestCase{
 				}, {
 					State: "Changed",
 					Key:   []byte{0xfa, 0xff, 0xff, 0xff, 0x14, 0xee, 0x9e, 0xa2, 0x2c, 0x27, 0xe3, 0x4b, 0xd0, 0x14, 0x8f, 0xc4, 0x10, 0x8e, 0x8, 0xf7, 0x4e, 0x8f, 0x50, 0x48, 0xb2},
-					Value: []byte{0x41, 0x01, 0x21, 0x05, 0x0c, 0x76, 0x4f, 0xdf, 0x08},
+					Value: []byte{0x41, 0x01, 0x21, 0x05, 0xf6, 0x64, 0x58, 0xdf, 0x08},
 				}}
 				// Can be returned in any order.
 				assert.ElementsMatch(t, chg, res.Diagnostics.Changes)
@@ -1439,7 +1440,7 @@ var rpcTestCases = map[string][]rpcTestCase{
 				cryptoHash, _ := e.chain.GetNativeContractScriptHash(nativenames.CryptoLib)
 				return &result.Invoke{
 					State:         "HALT",
-					GasConsumed:   13970250,
+					GasConsumed:   13969530,
 					Script:        script,
 					Stack:         []stackitem.Item{stackitem.Make("1.2.3.4")},
 					Notifications: []state.NotificationEvent{},
@@ -1532,7 +1533,7 @@ var rpcTestCases = map[string][]rpcTestCase{
 				script = append(script, 0x41, 0x62, 0x7d, 0x5b, 0x52)
 				return &result.Invoke{
 					State:       "HALT",
-					GasConsumed: 31922970,
+					GasConsumed: 31922730,
 					Script:      script,
 					Stack:       []stackitem.Item{stackitem.Make(true)},
 					Notifications: []state.NotificationEvent{{
@@ -1558,7 +1559,7 @@ var rpcTestCases = map[string][]rpcTestCase{
 				cryptoHash, _ := e.chain.GetNativeContractScriptHash(nativenames.CryptoLib)
 				return &result.Invoke{
 					State:         "HALT",
-					GasConsumed:   13970250,
+					GasConsumed:   13969530,
 					Script:        script,
 					Stack:         []stackitem.Item{stackitem.Make("1.2.3.4")},
 					Notifications: []state.NotificationEvent{},
@@ -2495,7 +2496,7 @@ func createValidNotaryRequest(chain *core.Blockchain, sender *keys.PrivateKey, n
 			{Type: transaction.ConflictsT, Value: &transaction.Conflicts{Hash: mainTx.Hash()}},
 			{Type: transaction.NotaryAssistedT, Value: &transaction.NotaryAssisted{NKeys: 0}},
 		},
-		Signers: []transaction.Signer{{Account: chain.GetNotaryContractScriptHash()}, {Account: sender.GetScriptHash()}},
+		Signers: []transaction.Signer{{Account: nativehashes.Notary}, {Account: sender.GetScriptHash()}},
 		Scripts: []transaction.Witness{
 			{InvocationScript: append([]byte{byte(opcode.PUSHDATA1), keys.SignatureLen}, make([]byte, keys.SignatureLen)...), VerificationScript: []byte{}},
 		},
@@ -3260,7 +3261,7 @@ func testRPCProtocol(t *testing.T, doRPCCall func(string, string, *testing.T) []
 		t.Run("contract-based verification with parameters", func(t *testing.T) {
 			verAcc, err := util.Uint160DecodeStringLE(verifyWithArgsContractHash)
 			require.NoError(t, err)
-			checkContract(t, verAcc, []byte{}, 244130) // No C# match, but we believe it's OK and it differs from the one above.
+			checkContract(t, verAcc, []byte{}, 244010) // No C# match, but we believe it's OK and it differs from the one above.
 		})
 		t.Run("contract-based verification with invocation script", func(t *testing.T) {
 			verAcc, err := util.Uint160DecodeStringLE(verifyWithArgsContractHash)
@@ -3270,7 +3271,7 @@ func testRPCProtocol(t *testing.T, doRPCCall func(string, string, *testing.T) []
 			emit.Int(invocWriter.BinWriter, 5)
 			emit.String(invocWriter.BinWriter, "")
 			invocScript := invocWriter.Bytes()
-			checkContract(t, verAcc, invocScript, 146960) // No C# match, but we believe it's OK and it has a specific invocation script overriding anything server-side.
+			checkContract(t, verAcc, invocScript, 146840) // No C# match, but we believe it's OK and it has a specific invocation script overriding anything server-side.
 		})
 		t.Run("execution limit, ok", func(t *testing.T) {
 			// 1_4000_0000 GAS with the default 1.5 allowed by Policy
@@ -3575,7 +3576,7 @@ func checkNep17Balances(t *testing.T, e *executor, acc any) {
 			},
 			{
 				Asset:       e.chain.UtilityTokenHash(),
-				Amount:      "37106285100",
+				Amount:      "37106870550",
 				LastUpdated: 23,
 				Decimals:    8,
 				Name:        "GasToken",
@@ -3924,7 +3925,7 @@ func checkNep17TransfersAux(t *testing.T, e *executor, acc any, sent, rcvd []int
 			{
 				Timestamp:   blockDepositGAS.Timestamp,
 				Asset:       e.chain.UtilityTokenHash(),
-				Address:     address.Uint160ToString(e.chain.GetNotaryContractScriptHash()),
+				Address:     address.Uint160ToString(nativehashes.Notary),
 				Amount:      "1000000000",
 				Index:       8,
 				NotifyIndex: 0,