frostfs-contract/rpcclient/container/client.go

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