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Merge pull request #3291 from nspcc-dev/nns_wrapper

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Roman Khimov 2024-01-27 11:25:50 +03:00 committed by GitHub
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3 changed files with 1153 additions and 65 deletions
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549
pkg/rpcclient/nns/contract.go
View file

@ -1,29 +1,59 @@
/*
Package nns provide some RPC wrappers for the non-native NNS contract.
It's not yet a complete interface because there are different NNS versions
available, yet it provides the most widely used ones that were available from
the old RPC client API.
*/
// Package nns provide RPC wrappers for the non-native NNS contract.
// This is Neo N3 NNS contract wrapper, the source code of the contract can be found here:
// https://github.com/neo-project/non-native-contracts/blob/8d72b92e5e5705d763232bcc24784ced0fb8fc87/src/NameService/NameService.cs
package nns
import (
"errors"
"fmt"
"math/big"
"unicode/utf8"
"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"
)
// Invoker is used by ContractReader to call various methods.
// MaxNameLength is the max length of domain name.
const MaxNameLength = 255
// SetAdminEvent represents "SetAdmin" event emitted by the contract.
type SetAdminEvent struct {
Name string
OldAdmin util.Uint160
NewAdmin util.Uint160
}
// RenewEvent represents "Renew" event emitted by the contract.
type RenewEvent struct {
Name string
OldExpiration *big.Int
NewExpiration *big.Int
}
// Invoker is used by ContractReader to call various safe methods.
type Invoker interface {
nep11.Invoker
}
// ContractReader provides an interface to call read-only NNS contract methods.
// 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
@ -31,38 +61,70 @@ type ContractReader struct {
hash util.Uint160
}
// RecordIterator is used for iterating over GetAllRecords results.
type RecordIterator struct {
client Invoker
session uuid.UUID
iterator result.Iterator
// Contract provides full NeoNameService interface, both safe and state-changing methods.
type Contract struct {
ContractReader
nep11.BaseWriter
actor Actor
hash util.Uint160
}
// NewReader creates an instance of ContractReader that can be used to read
// data from the contract.
// 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}
}
// GetPrice returns current domain registration price in GAS.
func (c *ContractReader) GetPrice() (int64, error) {
return unwrap.Int64(c.invoker.Call(c.hash, "getPrice"))
// 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}
}
// IsAvailable checks whether the domain given is available for registration.
// Roots invokes `roots` method of contract.
func (c *ContractReader) Roots() (*RootIterator, error) {
sess, iter, err := unwrap.SessionIterator(c.invoker.Call(c.hash, "roots"))
if err != nil {
return nil, err
}
return &RootIterator{
client: c.invoker,
iterator: iter,
session: sess,
}, nil
}
// 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) ([]string, error) {
arr, err := unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "roots", _numOfIteratorItems))
if err != nil {
return nil, err
}
return itemsToRoots(arr)
}
// GetPrice invokes `getPrice` method of contract.
func (c *ContractReader) GetPrice(length uint8) (*big.Int, error) {
return unwrap.BigInt(c.invoker.Call(c.hash, "getPrice", length))
}
// 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 resolves the given record type for the given domain (with no more
// than three redirects).
func (c *ContractReader) Resolve(name string, typ RecordType) (string, error) {
return unwrap.UTF8String(c.invoker.Call(c.hash, "resolve", name, int64(typ)))
// GetRecord invokes `getRecord` method of contract.
func (c *ContractReader) GetRecord(name string, typev RecordType) (string, error) {
return unwrap.UTF8String(c.invoker.Call(c.hash, "getRecord", name, typev))
}
// GetAllRecords returns an iterator that allows to retrieve all RecordState
// items for the given domain name. It depends on the server to provide proper
// session-based iterator, but can also work with expanded one.
// GetAllRecords invokes `getAllRecords` method of contract.
func (c *ContractReader) GetAllRecords(name string) (*RecordIterator, error) {
sess, iter, err := unwrap.SessionIterator(c.invoker.Call(c.hash, "getAllRecords", name))
if err != nil {
@ -76,47 +138,412 @@ func (c *ContractReader) GetAllRecords(name string) (*RecordIterator, error) {
}, nil
}
// Next returns the next set of elements from the iterator (up to num of them).
// It can return less than num elements in case iterator doesn't have that many
// or zero elements if the iterator has no more elements or the session is
// expired.
func (r *RecordIterator) Next(num int) ([]RecordState, error) {
items, err := r.client.TraverseIterator(r.session, &r.iterator, num)
if err != nil {
return nil, err
}
return itemsToRecords(items)
}
// Terminate closes the iterator session used by RecordIterator (if it's
// session-based).
func (r *RecordIterator) Terminate() error {
if r.iterator.ID == nil {
return nil
}
return r.client.TerminateSession(r.session)
}
// GetAllRecordsExpanded is similar to GetAllRecords (uses the same NNS
// 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 num 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, num int) ([]RecordState, error) {
arr, err := unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "getAllRecords", num, name))
// 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) ([]RecordState, error) {
arr, err := unwrap.Array(c.invoker.CallAndExpandIterator(c.hash, "getAllRecords", _numOfIteratorItems, name))
if err != nil {
return nil, err
}
return itemsToRecords(arr)
}
func itemsToRecords(arr []stackitem.Item) ([]RecordState, error) {
res := make([]RecordState, len(arr))
for i := range arr {
err := res[i].FromStackItem(arr[i])
if err != nil {
return nil, fmt.Errorf("item #%d: %w", i, err)
// Resolve invokes `resolve` method of contract.
func (c *ContractReader) Resolve(name string, typev RecordType) (string, error) {
return unwrap.UTF8String(c.invoker.Call(c.hash, "resolve", name, int64(typev)))
}
// 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) (util.Uint256, uint32, error) {
return c.actor.SendCall(c.hash, "update", nef, manifest)
}
// 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) (*transaction.Transaction, error) {
return c.actor.MakeCall(c.hash, "update", nef, manifest)
}
// 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) (*transaction.Transaction, error) {
return c.actor.MakeUnsignedCall(c.hash, "update", nil, nef, manifest)
}
// AddRoot creates a transaction invoking `addRoot` 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) AddRoot(root string) (util.Uint256, uint32, error) {
return c.actor.SendCall(c.hash, "addRoot", root)
}
// AddRootTransaction creates a transaction invoking `addRoot` method of the contract.
// This transaction is signed, but not sent to the network, instead it's
// returned to the caller.
func (c *Contract) AddRootTransaction(root string) (*transaction.Transaction, error) {
return c.actor.MakeCall(c.hash, "addRoot", root)
}
// AddRootUnsigned creates a transaction invoking `addRoot` 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) AddRootUnsigned(root string) (*transaction.Transaction, error) {
return c.actor.MakeUnsignedCall(c.hash, "addRoot", nil, root)
}
// 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(priceList []int64) (util.Uint256, uint32, error) {
anyPriceList := make([]any, len(priceList))
for i, price := range priceList {
anyPriceList[i] = price
}
return c.actor.SendCall(c.hash, "setPrice", anyPriceList)
}
// 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(priceList []int64) (*transaction.Transaction, error) {
anyPriceList := make([]any, len(priceList))
for i, price := range priceList {
anyPriceList[i] = price
}
return c.actor.MakeCall(c.hash, "setPrice", anyPriceList)
}
// 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(priceList []int64) (*transaction.Transaction, error) {
anyPriceList := make([]any, len(priceList))
for i, price := range priceList {
anyPriceList[i] = price
}
return c.actor.MakeUnsignedCall(c.hash, "setPrice", nil, anyPriceList)
}
func (c *Contract) scriptForRegister(name string, owner util.Uint160) ([]byte, error) {
return smartcontract.CreateCallWithAssertScript(c.hash, "register", name, owner)
}
// 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) (util.Uint256, uint32, error) {
script, err := c.scriptForRegister(name, owner)
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) (*transaction.Transaction, error) {
script, err := c.scriptForRegister(name, owner)
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) (*transaction.Transaction, error) {
script, err := c.scriptForRegister(name, owner)
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)
}
// Renew2 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) Renew2(name string, years int64) (util.Uint256, uint32, error) {
return c.actor.SendCall(c.hash, "renew", name, years)
}
// Renew2Transaction 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) Renew2Transaction(name string, years int64) (*transaction.Transaction, error) {
return c.actor.MakeCall(c.hash, "renew", name, years)
}
// Renew2Unsigned 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) Renew2Unsigned(name string, years int64) (*transaction.Transaction, error) {
return c.actor.MakeUnsignedCall(c.hash, "renew", nil, name, years)
}
// 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)
}
// 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, typev RecordType, data string) (util.Uint256, uint32, error) {
return c.actor.SendCall(c.hash, "setRecord", name, typev, 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, typev RecordType, data string) (*transaction.Transaction, error) {
return c.actor.MakeCall(c.hash, "setRecord", name, typev, 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, typev RecordType, data string) (*transaction.Transaction, error) {
return c.actor.MakeUnsignedCall(c.hash, "setRecord", nil, name, typev, 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, typev RecordType) (util.Uint256, uint32, error) {
return c.actor.SendCall(c.hash, "deleteRecord", name, typev)
}
// 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, typev RecordType) (*transaction.Transaction, error) {
return c.actor.MakeCall(c.hash, "deleteRecord", name, typev)
}
// 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, typev RecordType) (*transaction.Transaction, error) {
return c.actor.MakeUnsignedCall(c.hash, "deleteRecord", nil, name, typev)
}
// SetAdminEventsFromApplicationLog retrieves a set of all emitted events
// with "SetAdmin" name from the provided [result.ApplicationLog].
func SetAdminEventsFromApplicationLog(log *result.ApplicationLog) ([]*SetAdminEvent, error) {
if log == nil {
return nil, errors.New("nil application log")
}
var res []*SetAdminEvent
for i, ex := range log.Executions {
for j, e := range ex.Events {
if e.Name != "SetAdmin" {
continue
}
event := new(SetAdminEvent)
err := event.FromStackItem(e.Item)
if err != nil {
return nil, fmt.Errorf("failed to deserialize SetAdminEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
}
res = append(res, event)
}
}
return res, nil
}
// FromStackItem converts provided [stackitem.Array] to SetAdminEvent or
// returns an error if it's not possible to do to so.
func (e *SetAdminEvent) 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.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.OldAdmin, 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 OldAdmin: %w", err)
}
index++
e.NewAdmin, 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 NewAdmin: %w", err)
}
return nil
}
// RenewEventsFromApplicationLog retrieves a set of all emitted events
// with "Renew" name from the provided [result.ApplicationLog].
func RenewEventsFromApplicationLog(log *result.ApplicationLog) ([]*RenewEvent, error) {
if log == nil {
return nil, errors.New("nil application log")
}
var res []*RenewEvent
for i, ex := range log.Executions {
for j, e := range ex.Events {
if e.Name != "Renew" {
continue
}
event := new(RenewEvent)
err := event.FromStackItem(e.Item)
if err != nil {
return nil, fmt.Errorf("failed to deserialize RenewEvent from stackitem (execution #%d, event #%d): %w", i, j, err)
}
res = append(res, event)
}
}
return res, nil
}
// FromStackItem converts provided [stackitem.Array] to RenewEvent or
// returns an error if it's not possible to do to so.
func (e *RenewEvent) 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.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.OldExpiration, err = arr[index].TryInteger()
if err != nil {
return fmt.Errorf("field OldExpiration: %w", err)
}
index++
e.NewExpiration, err = arr[index].TryInteger()
if err != nil {
return fmt.Errorf("field NewExpiration: %w", err)
}
return nil
}

579
pkg/rpcclient/nns/contract_test.go
View file

@ -2,10 +2,13 @@ package nns
import (
"errors"
"math/big"
"testing"
"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/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/stretchr/testify/require"
@ -14,6 +17,9 @@ import (
type testAct struct {
err error
res *result.Invoke
tx *transaction.Transaction
txh util.Uint256
vub uint32
}
func (t *testAct) Call(contract util.Uint160, operation string, params ...any) (*result.Invoke, error) {
@ -29,17 +35,42 @@ func (t *testAct) TraverseIterator(sessionID uuid.UUID, iterator *result.Iterato
return t.res.Stack, t.err
}
func (t *testAct) MakeRun(script []byte) (*transaction.Transaction, error) {
return t.tx, t.err
}
func (t *testAct) MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error) {
return t.tx, t.err
}
func (t *testAct) SendRun(script []byte) (util.Uint256, uint32, error) {
return t.txh, t.vub, t.err
}
func (t *testAct) MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error) {
return t.tx, t.err
}
func (t *testAct) MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...any) (*transaction.Transaction, error) {
return t.tx, t.err
}
func (t *testAct) SendCall(contract util.Uint160, method string, params ...any) (util.Uint256, uint32, error) {
return t.txh, t.vub, t.err
}
func (t *testAct) SignAndSend(tx *transaction.Transaction) (util.Uint256, uint32, error) {
return t.txh, t.vub, t.err
}
func TestSimpleGetters(t *testing.T) {
ta := &testAct{}
nns := NewReader(ta, util.Uint160{1, 2, 3})
ta.err = errors.New("")
_, err := nns.GetPrice()
_, err := nns.GetPrice(uint8(A))
require.Error(t, err)
_, err = nns.IsAvailable("nspcc.neo")
require.Error(t, err)
_, err = nns.Resolve("nspcc.neo", A)
require.Error(t, err)
_, err = nns.GetRecord("nspcc.neo", A)
require.Error(t, err)
ta.err = nil
ta.res = &result.Invoke{
@ -48,9 +79,9 @@ func TestSimpleGetters(t *testing.T) {
stackitem.Make(100500),
},
}
price, err := nns.GetPrice()
price, err := nns.GetPrice(uint8(A))
require.NoError(t, err)
require.Equal(t, int64(100500), price)
require.Equal(t, new(big.Int).SetInt64(100500), price)
ta.res = &result.Invoke{
State: "HALT",
@ -71,6 +102,10 @@ func TestSimpleGetters(t *testing.T) {
txt, err := nns.Resolve("nspcc.neo", TXT)
require.NoError(t, err)
require.Equal(t, "some text", txt)
rec, err := nns.GetRecord("nspcc.neo", TXT)
require.NoError(t, err)
require.Equal(t, "some text", rec)
}
func TestGetAllRecords(t *testing.T) {
@ -108,7 +143,6 @@ func TestGetAllRecords(t *testing.T) {
iter, err := nns.GetAllRecords("nspcc.neo")
require.NoError(t, err)
require.NoError(t, err)
ta.res = &result.Invoke{
Stack: []stackitem.Item{
stackitem.Make([]stackitem.Item{
@ -154,6 +188,26 @@ func TestGetAllRecords(t *testing.T) {
ta.err = errors.New("")
err = iter.Terminate()
require.NoError(t, err)
ta.err = nil
ta.res = &result.Invoke{
State: "HALT",
Stack: []stackitem.Item{
stackitem.NewInterop(result.Iterator{
Values: []stackitem.Item{
stackitem.Make("valid data"),
stackitem.Make(-1),
},
}),
},
}
iter, err = nns.GetAllRecords("nspcc.neo")
require.NoError(t, err)
_, err = iter.Next(10)
require.Error(t, err)
require.Contains(t, err.Error(), "item #0: ")
}
func TestGetAllRecordsExpanded(t *testing.T) {
@ -195,3 +249,520 @@ func TestGetAllRecordsExpanded(t *testing.T) {
Data: "cool",
}, vals[0])
}
func TestRoots(t *testing.T) {
ta := &testAct{}
nns := NewReader(ta, util.Uint160{1, 2, 3})
ta.err = errors.New("")
_, err := nns.Roots()
require.Error(t, err)
iid := uuid.New()
// Session-based iterator.
sid := uuid.New()
ta.res = &result.Invoke{
Session: sid,
State: "HALT",
Stack: []stackitem.Item{
stackitem.NewInterop(result.Iterator{
ID: &iid,
}),
},
}
ta.err = nil
iter, err := nns.Roots()
require.NoError(t, err)
ta.res = &result.Invoke{
Stack: []stackitem.Item{
stackitem.Make([]stackitem.Item{
stackitem.Make("n3"),
stackitem.Make("aaaaaa"),
stackitem.Make("cool"),
}),
},
}
vals, err := iter.Next(10)
require.NoError(t, err)
require.Equal(t, 1, len(vals))
require.Equal(t, "n3", vals[0])
ta.err = errors.New("")
_, err = iter.Next(1)
require.Error(t, err)
err = iter.Terminate()
require.Error(t, err)
// Value-based iterator.
ta.err = nil
ta.res = &result.Invoke{
State: "HALT",
Stack: []stackitem.Item{
stackitem.NewInterop(result.Iterator{
Values: []stackitem.Item{
stackitem.Make("n3"),
stackitem.Make("aaaaaa"),
stackitem.Make("cool"),
},
}),
},
}
iter, err = nns.Roots()
require.NoError(t, err)
ta.err = errors.New("")
err = iter.Terminate()
require.NoError(t, err)
sid = uuid.New()
iid = uuid.New()
ta.res = &result.Invoke{
Session: sid,
State: "HALT",
Stack: []stackitem.Item{
stackitem.NewInterop(result.Iterator{
ID: &iid,
Values: []stackitem.Item{
stackitem.Make("incorrect format"),
},
}),
},
}
ta.err = nil
iter, err = nns.Roots()
require.NoError(t, err)
_, err = iter.Next(10)
require.Error(t, err)
require.Equal(t, "wrong number of elements", err.Error())
ta.res = &result.Invoke{
State: "HALT",
Stack: []stackitem.Item{
stackitem.Make([]stackitem.Item{
stackitem.Make([]stackitem.Item{
stackitem.Make("root1"),
}),
stackitem.Make([]stackitem.Item{
stackitem.Make("root2"),
}),
}),
},
}
roots, err := nns.RootsExpanded(10)
require.NoError(t, err)
require.Equal(t, []string{"root1", "root2"}, roots)
ta.res = &result.Invoke{
State: "HALT",
Stack: []stackitem.Item{
stackitem.Make("incorrect format"), // Not a slice of stackitem.Item
},
}
_, err = nns.RootsExpanded(10)
require.Error(t, err)
require.Equal(t, "not an array", err.Error())
ta.err = errors.New("call and expand iterator error")
_, err = nns.RootsExpanded(10)
require.Error(t, err)
require.Equal(t, "call and expand iterator error", err.Error())
}
func TestUpdate(t *testing.T) {
ta := &testAct{}
nns := New(ta, util.Uint160{1, 2, 3})
nef := []byte{0x01, 0x02, 0x03}
manifest := "manifest data"
ta.err = errors.New("test error")
_, _, err := nns.Update(nef, manifest)
require.Error(t, err)
// Test successful update
ta.err = nil
ta.txh = util.Uint256{0x04, 0x05, 0x06}
txh, vub, err := nns.Update(nef, manifest)
require.NoError(t, err)
require.Equal(t, ta.txh, txh)
require.Equal(t, ta.vub, vub)
for _, fun := range []func(nef []byte, manifest string) (*transaction.Transaction, error){
nns.UpdateTransaction,
nns.UpdateUnsigned,
} {
ta.err = errors.New("")
_, err := fun(nil, "")
require.Error(t, err)
ta.err = nil
ta.tx = &transaction.Transaction{Nonce: 100500, ValidUntilBlock: 42}
tx, err := fun(nil, "")
require.NoError(t, err)
require.Equal(t, ta.tx, tx)
}
}
func TestAddRoot(t *testing.T) {
ta := &testAct{}
nns := New(ta, util.Uint160{1, 2, 3})
root := "example.root"
params, err := smartcontract.NewParameterFromValue(root)
require.NoError(t, err)
ta.err = errors.New("test error")
_, _, err = nns.AddRoot(params.Value.(string))
require.Error(t, err)
// Test success case
ta.err = nil
ta.txh = util.Uint256{0x07, 0x08, 0x09}
txh, vub, err := nns.AddRoot(root)
require.NoError(t, err)
require.Equal(t, ta.txh, txh)
require.Equal(t, ta.vub, vub)
ta.tx = &transaction.Transaction{Nonce: 100500, ValidUntilBlock: 42}
tx, err := nns.AddRootTransaction(root)
require.NoError(t, err)
require.Equal(t, ta.tx, tx)
tx, err = nns.AddRootUnsigned(root)
require.NoError(t, err)
require.Equal(t, ta.tx, tx)
ta.err = errors.New("")
_, err = nns.AddRootTransaction(root)
require.Error(t, err)
ta.err = errors.New("")
_, err = nns.AddRootUnsigned(root)
require.Error(t, err)
}
func TestSetPrice(t *testing.T) {
ta := &testAct{}
nns := New(ta, util.Uint160{1, 2, 3})
priceList := []int64{100, 200}
ta.err = errors.New("test error")
_, _, err := nns.SetPrice(priceList)
require.Error(t, err)
_, err = nns.SetPriceTransaction(priceList)
require.Error(t, err)
_, err = nns.SetPriceUnsigned(priceList)
require.Error(t, err)
// Test success case
ta.err = nil
ta.txh = util.Uint256{0x0A, 0x0B, 0x0C}
ta.vub = 42
ta.res = &result.Invoke{
State: "HALT",
Stack: []stackitem.Item{
stackitem.Make(42),
},
}
txh, vub, err := nns.SetPrice(priceList)
require.NoError(t, err)
require.Equal(t, ta.txh, txh)
require.Equal(t, ta.vub, vub)
ta.tx = &transaction.Transaction{Nonce: 100500, ValidUntilBlock: 42}
tx, err := nns.SetPriceTransaction(priceList)
require.NoError(t, err)
require.Equal(t, ta.tx, tx)
tx, err = nns.SetPriceUnsigned(priceList)
require.NoError(t, err)
require.Equal(t, ta.tx, tx)
ta.err = errors.New("")
_, err = nns.SetPriceTransaction(priceList)
require.Error(t, err)
ta.err = errors.New("")
_, err = nns.SetPriceUnsigned(priceList)
require.Error(t, err)
}
func TestRegister(t *testing.T) {
ta := &testAct{}
nns := New(ta, util.Uint160{1, 2, 3})
name := "example.neo"
owner := util.Uint160{0x0D, 0x0E, 0x0F}
ta.err = errors.New("test error")
txh, vub, err := nns.Register(name, owner)
require.Error(t, err)
require.Equal(t, util.Uint256{}, txh) // Check if returned Uint256 is zero-initialized
require.Equal(t, uint32(0), vub)
// Test success case
ta.err = nil
ta.txh = util.Uint256{0x10, 0x11, 0x12}
txh, vub, err = nns.Register(name, owner)
require.NoError(t, err)
require.Equal(t, ta.txh, txh)
require.Equal(t, ta.vub, vub)
ta.tx = &transaction.Transaction{Nonce: 100500, ValidUntilBlock: 42}
tx, err := nns.RegisterTransaction(name, owner)
require.NoError(t, err)
require.Equal(t, ta.tx, tx)
tx, err = nns.RegisterUnsigned(name, owner)
require.NoError(t, err)
require.Equal(t, ta.tx, tx)
ta.err = errors.New("")
_, err = nns.RegisterTransaction(name, owner)
require.Error(t, err)
ta.err = errors.New("")
_, err = nns.RegisterUnsigned(name, owner)
require.Error(t, err)
}
func TestRenew(t *testing.T) {
ta := &testAct{}
nns := New(ta, util.Uint160{1, 2, 3})
name := "example.neo"
ta.err = errors.New("test error")
_, _, err := nns.Renew(name)
require.Error(t, err)
// Test success case
ta.err = nil
ta.txh = util.Uint256{0x13, 0x14, 0x15}
txh, vub, err := nns.Renew(name)
require.NoError(t, err)
require.Equal(t, ta.txh, txh)
require.Equal(t, ta.vub, vub)
txh, vub, err = nns.Renew2(name, 1)
require.NoError(t, err)
require.Equal(t, ta.txh, txh)
require.Equal(t, ta.vub, vub)
ta.tx = &transaction.Transaction{Nonce: 100500, ValidUntilBlock: 42}
tx, err := nns.RenewTransaction(name)
require.NoError(t, err)
require.Equal(t, ta.tx, tx)
tx, err = nns.RenewUnsigned(name)
require.NoError(t, err)
require.Equal(t, ta.tx, tx)
ta.err = errors.New("")
_, err = nns.RenewTransaction(name)
require.Error(t, err)
ta.err = errors.New("")
_, err = nns.RenewUnsigned(name)
require.Error(t, err)
}
func TestSetAdmin(t *testing.T) {
ta := &testAct{}
c := New(ta, util.Uint160{1, 2, 3})
name := "example.neo"
admin := util.Uint160{4, 5, 6}
txMock := &transaction.Transaction{Nonce: 100500, ValidUntilBlock: 42}
txhMock := util.Uint256{0x13, 0x14, 0x15}
testCases := []struct {
name string
setup func()
testFunc func() (interface{}, error)
want interface{}
wantErr bool
}{
{
name: "SetAdmin - Error",
setup: func() {
ta.err = errors.New("test error")
},
testFunc: func() (interface{}, error) {
txh, vub, err := c.SetAdmin(name, admin)
return []interface{}{txh, vub}, err
},
wantErr: true,
},
{
name: "SetAdmin - Success",
setup: func() {
ta.err = nil
ta.txh = txhMock
ta.vub = 42
},
testFunc: func() (interface{}, error) {
txh, vub, err := c.SetAdmin(name, admin)
return []interface{}{txh, vub}, err
},
want: []interface{}{txhMock, uint32(42)},
},
{
name: "SetAdminTransaction - Success",
setup: func() {
ta.err = nil
ta.tx = txMock
},
testFunc: func() (interface{}, error) {
return c.SetAdminTransaction(name, admin)
},
want: txMock,
},
{
name: "SetAdminTransaction - Error",
setup: func() {
ta.err = errors.New("test error")
},
testFunc: func() (interface{}, error) {
return c.SetAdminTransaction(name, admin)
},
wantErr: true,
},
{
name: "SetAdminUnsigned - Success",
setup: func() {
ta.err = nil
ta.tx = txMock
},
testFunc: func() (interface{}, error) {
return c.SetAdminUnsigned(name, admin)
},
want: txMock,
},
{
name: "SetAdminUnsigned - Error",
setup: func() {
ta.err = errors.New("test error")
},
testFunc: func() (interface{}, error) {
return c.SetAdminUnsigned(name, admin)
},
wantErr: true,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
tc.setup()
got, err := tc.testFunc()
if tc.wantErr {
require.Error(t, err)
} else {
require.NoError(t, err)
require.Equal(t, tc.want, got)
}
})
}
}
func TestSetRecord(t *testing.T) {
ta := &testAct{}
c := New(ta, util.Uint160{1, 2, 3})
name := "example.neo"
typev := A
data := "record data"
txMock := &transaction.Transaction{Nonce: 100500, ValidUntilBlock: 42}
txhMock := util.Uint256{0x13, 0x14, 0x15}
testCases := []struct {
name string
setup func()
testFunc func() (interface{}, error)
want interface{}
wantErr bool
}{
{
name: "SetRecord - Error",
setup: func() {
ta.err = errors.New("test error")
},
testFunc: func() (interface{}, error) {
txh, vub, err := c.SetRecord(name, typev, data)
return []interface{}{txh, vub}, err
},
wantErr: true,
},
{
name: "SetRecord - Success",
setup: func() {
ta.err = nil
ta.txh = txhMock
ta.vub = 42
},
testFunc: func() (interface{}, error) {
txh, vub, err := c.SetRecord(name, typev, data)
return []interface{}{txh, vub}, err
},
want: []interface{}{txhMock, uint32(42)},
},
{
name: "SetRecordTransaction - Success",
setup: func() {
ta.err = nil
ta.tx = txMock
},
testFunc: func() (interface{}, error) {
return c.SetRecordTransaction(name, typev, data)
},
want: txMock,
},
{
name: "SetRecordTransaction - Error",
setup: func() {
ta.err = errors.New("test error")
},
testFunc: func() (interface{}, error) {
return c.SetRecordTransaction(name, typev, data)
},
wantErr: true,
},
{
name: "SetRecordUnsigned - Success",
setup: func() {
ta.err = nil
ta.tx = txMock
},
testFunc: func() (interface{}, error) {
return c.SetRecordUnsigned(name, typev, data)
},
want: txMock,
},
{
name: "SetRecordUnsigned - Error",
setup: func() {
ta.err = errors.New("test error")
},
testFunc: func() (interface{}, error) {
return c.SetRecordUnsigned(name, typev, data)
},
wantErr: true,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
tc.setup()
got, err := tc.testFunc()
if tc.wantErr {
require.Error(t, err)
} else {
require.NoError(t, err)
require.Equal(t, tc.want, got)
}
})
}
}

90
pkg/rpcclient/nns/iterators.go Normal file
View file

@ -0,0 +1,90 @@
package nns
import (
"errors"
"fmt"
"github.com/google/uuid"
"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
)
// RecordIterator is used for iterating over GetAllRecords results.
type RecordIterator struct {
client Invoker
session uuid.UUID
iterator result.Iterator
}
// RootIterator is used for iterating over Roots results.
type RootIterator struct {
client Invoker
session uuid.UUID
iterator result.Iterator
}
func itemsToRecords(arr []stackitem.Item) ([]RecordState, error) {
res := make([]RecordState, len(arr))
for i := range arr {
err := res[i].FromStackItem(arr[i])
if err != nil {
return nil, fmt.Errorf("item #%d: %w", i, err)
}
}
return res, nil
}
func itemsToRoots(arr []stackitem.Item) ([]string, error) {
res := make([]string, len(arr))
for i := range arr {
rs, ok := arr[i].Value().([]stackitem.Item)
if !ok {
return nil, errors.New("wrong number of elements")
}
myval, _ := rs[0].TryBytes()
res[i] = string(myval)
}
return res, nil
}
// Next returns the next set of elements from the iterator (up to num of them).
// It can return less than num elements in case iterator doesn't have that many
// or zero elements if the iterator has no more elements or the session is
// expired.
func (r *RecordIterator) Next(num int) ([]RecordState, error) {
items, err := r.client.TraverseIterator(r.session, &r.iterator, num)
if err != nil {
return nil, err
}
return itemsToRecords(items)
}
// Next returns the next set of elements from the iterator (up to num of them).
// It can return less than num elements in case iterator doesn't have that many
// or zero elements if the iterator has no more elements or the session is
// expired.
func (r *RootIterator) Next(num int) ([]string, error) {
items, err := r.client.TraverseIterator(r.session, &r.iterator, num)
if err != nil {
return nil, err
}
return itemsToRoots(items)
}
// Terminate closes the iterator session used by RecordIterator (if it's
// session-based).
func (r *RecordIterator) Terminate() error {
if r.iterator.ID == nil {
return nil
}
return r.client.TerminateSession(r.session)
}
// Terminate closes the iterator session used by RootIterator (if it's
// session-based).
func (r *RootIterator) Terminate() error {
if r.iterator.ID == nil {
return nil
}
return r.client.TerminateSession(r.session)
}