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