state

package
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 Go to latest Published: Oct 20, 2023 License: MIT Imports: 22 Imported by: 40

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Index

Constants

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const TokenTransferBatchSize = 128

TokenTransferBatchSize is the maximum number of entries for TokenTransferLog.

Variables

This section is empty.

Functions

func CreateContractHash added in v0.92.0 

func CreateContractHash(sender util.Uint160, checksum uint32, name string) util.Uint160

CreateContractHash creates a deployed contract hash from the transaction sender and the contract script.

func CreateNativeContractHash added in v0.92.0 

func CreateNativeContractHash(name string) util.Uint160

CreateNativeContractHash calculates the hash for the native contract with the given name.

Types

type AppExecResult 

type AppExecResult struct {
	Container util.Uint256
	Execution
}

AppExecResult represents the result of the script execution, gathering together all resulting notifications, state, stack and other metadata.

func (*AppExecResult) DecodeBinary 

func (aer *AppExecResult) DecodeBinary(r *io.BinReader)

DecodeBinary implements the Serializable interface.

func (*AppExecResult) EncodeBinary 

func (aer *AppExecResult) EncodeBinary(w *io.BinWriter)

EncodeBinary implements the Serializable interface.

func (*AppExecResult) EncodeBinaryWithContext added in v0.99.0 

func (aer *AppExecResult) EncodeBinaryWithContext(w *io.BinWriter, sc *stackitem.SerializationContext)

EncodeBinaryWithContext is the same as EncodeBinary, but allows to efficiently reuse stack item serialization context.

func (*AppExecResult) MarshalJSON added in v0.92.0 

func (aer *AppExecResult) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface.

func (*AppExecResult) UnmarshalJSON added in v0.92.0 

func (aer *AppExecResult) UnmarshalJSON(data []byte) error

UnmarshalJSON implements the json.Unmarshaler interface.

type ContainedNotificationEvent added in v0.99.1 

type ContainedNotificationEvent struct {
	// Container hash is the hash of script container which is either a block or a transaction.
	Container util.Uint256
	NotificationEvent
}

ContainedNotificationEvent represents a wrapper for a notification from script execution.

func (*ContainedNotificationEvent) MarshalJSON added in v0.99.1 

func (ne *ContainedNotificationEvent) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface.

func (*ContainedNotificationEvent) UnmarshalJSON added in v0.99.1 

func (ne *ContainedNotificationEvent) UnmarshalJSON(data []byte) error

UnmarshalJSON implements the json.Unmarshaler interface.

type Contract 

type Contract struct {
	ContractBase
	UpdateCounter uint16 `json:"updatecounter"`
}

Contract holds information about a smart contract in the Neo blockchain.

func (*Contract) FromStackItem added in v0.92.0 

func (c *Contract) FromStackItem(item stackitem.Item) error

FromStackItem fills Contract's data from the given stack itemized contract representation.

func (*Contract) ToStackItem added in v0.92.0 

func (c *Contract) ToStackItem() (stackitem.Item, error)

ToStackItem converts state.Contract to stackitem.Item.

type ContractBase added in v0.93.0 

type ContractBase struct {
	ID       int32             `json:"id"`
	Hash     util.Uint160      `json:"hash"`
	NEF      nef.File          `json:"nef"`
	Manifest manifest.Manifest `json:"manifest"`
}

ContractBase represents a part shared by native and user-deployed contracts.

type Deposit added in v0.92.0 

type Deposit struct {
	Amount *big.Int
	Till   uint32
}

Deposit represents GAS deposit from a Notary contract.

func (*Deposit) FromStackItem added in v0.96.0 

func (d *Deposit) FromStackItem(it stackitem.Item) error

FromStackItem implements stackitem.Convertible interface.

func (*Deposit) ToStackItem added in v0.96.0 

func (d *Deposit) ToStackItem() (stackitem.Item, error)

ToStackItem implements stackitem.Convertible interface. It never returns an error.

type Execution added in v0.92.0 

type Execution struct {
	Trigger        trigger.Type
	VMState        vmstate.State
	GasConsumed    int64
	Stack          []stackitem.Item
	Events         []NotificationEvent
	FaultException string
}

Execution represents the result of a single script execution, gathering together all resulting notifications, state, stack and other metadata.

func (Execution) MarshalJSON added in v0.92.0 

func (e Execution) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface.

func (*Execution) UnmarshalJSON added in v0.92.0 

func (e *Execution) UnmarshalJSON(data []byte) error

UnmarshalJSON implements the json.Unmarshaler interface.

type MPTRoot added in v0.76.0 

type MPTRoot struct {
	Version byte                  `json:"version"`
	Index   uint32                `json:"index"`
	Root    util.Uint256          `json:"roothash"`
	Witness []transaction.Witness `json:"witnesses"`
}

MPTRoot represents the storage state root together with sign info.

func (*MPTRoot) DecodeBinary added in v0.76.0 

func (s *MPTRoot) DecodeBinary(r *io.BinReader)

DecodeBinary implements io.Serializable.

func (*MPTRoot) DecodeBinaryUnsigned added in v0.94.0 

func (s *MPTRoot) DecodeBinaryUnsigned(r *io.BinReader)

DecodeBinaryUnsigned decodes the hashable part of the state root.

func (*MPTRoot) EncodeBinary added in v0.76.0 

func (s *MPTRoot) EncodeBinary(w *io.BinWriter)

EncodeBinary implements io.Serializable.

func (*MPTRoot) EncodeBinaryUnsigned added in v0.94.0 

func (s *MPTRoot) EncodeBinaryUnsigned(w *io.BinWriter)

EncodeBinaryUnsigned encodes the hashable part of the state root.

func (*MPTRoot) Hash added in v0.94.0 

func (s *MPTRoot) Hash() util.Uint256

Hash returns the hash of s.

type NEOBalance added in v0.96.0 

type NEOBalance struct {
	NEP17Balance
	BalanceHeight  uint32
	VoteTo         *keys.PublicKey
	LastGasPerVote big.Int
}

NEOBalance represents the balance state of a NEO-token.

func NEOBalanceFromBytes added in v0.96.0 

func NEOBalanceFromBytes(b []byte) (*NEOBalance, error)

NEOBalanceFromBytes converts the serialized NEOBalance to a structure.

func (*NEOBalance) Bytes added in v0.96.0 

func (s *NEOBalance) Bytes(sc *stackitem.SerializationContext) []byte

Bytes returns a serialized NEOBalance.

func (*NEOBalance) FromStackItem added in v0.96.0 

func (s *NEOBalance) FromStackItem(item stackitem.Item) error

FromStackItem converts stackitem.Item to NEOBalance.

func (*NEOBalance) ToStackItem added in v0.96.0 

func (s *NEOBalance) ToStackItem() (stackitem.Item, error)

ToStackItem implements stackitem.Convertible interface. It never returns an error.

type NEP11Transfer added in v0.98.0 

type NEP11Transfer struct {
	NEP17Transfer

	// ID is a NEP-11 token ID.
	ID []byte
}

NEP11Transfer represents a single NEP-11 Transfer event.

func (*NEP11Transfer) DecodeBinary added in v0.98.0 

func (t *NEP11Transfer) DecodeBinary(r *io.BinReader)

DecodeBinary implements the io.Serializable interface.

func (*NEP11Transfer) EncodeBinary added in v0.98.0 

func (t *NEP11Transfer) EncodeBinary(w *io.BinWriter)

EncodeBinary implements the io.Serializable interface.

type NEP17Balance added in v0.96.0 

type NEP17Balance struct {
	Balance big.Int
}

NEP17Balance represents the balance state of a NEP-17-token.

func NEP17BalanceFromBytes added in v0.96.0 

func NEP17BalanceFromBytes(b []byte) (*NEP17Balance, error)

NEP17BalanceFromBytes converts the serialized NEP17Balance to a structure.

func (*NEP17Balance) Bytes added in v0.96.0 

func (s *NEP17Balance) Bytes(buf []byte) []byte

Bytes returns serialized NEP17Balance.

func (*NEP17Balance) FromStackItem added in v0.96.0 

func (s *NEP17Balance) FromStackItem(item stackitem.Item) error

FromStackItem implements stackitem.Convertible.

func (*NEP17Balance) ToStackItem added in v0.96.0 

func (s *NEP17Balance) ToStackItem() (stackitem.Item, error)

ToStackItem implements stackitem.Convertible. It never returns an error.

type NEP17Transfer added in v0.92.0 

type NEP17Transfer struct {
	// Asset is a NEP-17 contract ID.
	Asset int32
	// Counterparty is the address of the sender/receiver (the other side of the transfer).
	Counterparty util.Uint160
	// Amount is the amount of tokens transferred.
	// It is negative when tokens are sent and positive if they are received.
	Amount *big.Int
	// Block is a number of block when the event occurred.
	Block uint32
	// Timestamp is the timestamp of the block where transfer occurred.
	Timestamp uint64
	// Tx is a hash the transaction.
	Tx util.Uint256
}

NEP17Transfer represents a single NEP-17 Transfer event.

func (*NEP17Transfer) DecodeBinary added in v0.92.0 

func (t *NEP17Transfer) DecodeBinary(r *io.BinReader)

DecodeBinary implements the io.Serializable interface.

func (*NEP17Transfer) EncodeBinary added in v0.92.0 

func (t *NEP17Transfer) EncodeBinary(w *io.BinWriter)

EncodeBinary implements the io.Serializable interface.

type NativeContract added in v0.93.0 

type NativeContract struct {
	ContractBase
	UpdateHistory []uint32 `json:"updatehistory"`
}

NativeContract holds information about the native contract.

type NotificationEvent 

type NotificationEvent struct {
	ScriptHash util.Uint160     `json:"contract"`
	Name       string           `json:"eventname"`
	Item       *stackitem.Array `json:"state"`
}

NotificationEvent is a tuple of the scripthash that has emitted the Item as a notification and the item itself.

func (*NotificationEvent) DecodeBinary 

func (ne *NotificationEvent) DecodeBinary(r *io.BinReader)

DecodeBinary implements the Serializable interface.

func (*NotificationEvent) EncodeBinary 

func (ne *NotificationEvent) EncodeBinary(w *io.BinWriter)

EncodeBinary implements the Serializable interface.

func (*NotificationEvent) EncodeBinaryWithContext added in v0.99.0 

func (ne *NotificationEvent) EncodeBinaryWithContext(w *io.BinWriter, sc *stackitem.SerializationContext)

EncodeBinaryWithContext is the same as EncodeBinary, but allows to efficiently reuse stack item serialization context.

func (NotificationEvent) MarshalJSON added in v0.92.0 

func (ne NotificationEvent) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface.

func (*NotificationEvent) UnmarshalJSON added in v0.92.0 

func (ne *NotificationEvent) UnmarshalJSON(data []byte) error

UnmarshalJSON implements the json.Unmarshaler interface.

type OracleRequest added in v0.92.0 

type OracleRequest struct {
	OriginalTxID     util.Uint256
	GasForResponse   uint64
	URL              string
	Filter           *string
	CallbackContract util.Uint160
	CallbackMethod   string
	UserData         []byte
}

OracleRequest represents an oracle request.

func (*OracleRequest) FromStackItem added in v0.96.0 

func (o *OracleRequest) FromStackItem(it stackitem.Item) error

FromStackItem implements stackitem.Convertible interface.

func (*OracleRequest) ToStackItem added in v0.96.0 

func (o *OracleRequest) ToStackItem() (stackitem.Item, error)

ToStackItem implements stackitem.Convertible interface. It never returns an error.

type StorageItem 

type StorageItem []byte

StorageItem is the value to be stored with read-only flag.

type TokenTransferInfo added in v0.98.0 

type TokenTransferInfo struct {
	LastUpdated map[int32]uint32
	// NextNEP11Batch stores the index of the next NEP-11 transfer batch.
	NextNEP11Batch uint32
	// NextNEP17Batch stores the index of the next NEP-17 transfer batch.
	NextNEP17Batch uint32
	// NextNEP11NewestTimestamp stores the block timestamp of the first NEP-11 transfer in raw.
	NextNEP11NewestTimestamp uint64
	// NextNEP17NewestTimestamp stores the block timestamp of the first NEP-17 transfer in raw.
	NextNEP17NewestTimestamp uint64
	// NewNEP11Batch is true if batch with the `NextNEP11Batch` index should be created.
	NewNEP11Batch bool
	// NewNEP17Batch is true if batch with the `NextNEP17Batch` index should be created.
	NewNEP17Batch bool
}

TokenTransferInfo stores a map of the contract IDs to the balance's last updated block trackers along with the information about NEP-17 and NEP-11 transfer batch.

func NewTokenTransferInfo added in v0.98.0 

func NewTokenTransferInfo() *TokenTransferInfo

NewTokenTransferInfo returns new TokenTransferInfo.

func (*TokenTransferInfo) DecodeBinary added in v0.98.0 

func (bs *TokenTransferInfo) DecodeBinary(r *io.BinReader)

DecodeBinary implements the io.Serializable interface.

func (*TokenTransferInfo) EncodeBinary added in v0.98.0 

func (bs *TokenTransferInfo) EncodeBinary(w *io.BinWriter)

EncodeBinary implements the io.Serializable interface.

type TokenTransferLog added in v0.98.0 

type TokenTransferLog struct {
	Raw []byte
	// contains filtered or unexported fields
}

TokenTransferLog is a serialized log of token transfers.

func (*TokenTransferLog) Append added in v0.98.0 

func (lg *TokenTransferLog) Append(tr io.Serializable) error

Append appends a single transfer to a log.

func (*TokenTransferLog) ForEachNEP11 added in v0.98.0 

func (lg *TokenTransferLog) ForEachNEP11(f func(*NEP11Transfer) (bool, error)) (bool, error)

ForEachNEP11 iterates over a transfer log returning on the first error.

func (*TokenTransferLog) ForEachNEP17 added in v0.98.0 

func (lg *TokenTransferLog) ForEachNEP17(f func(*NEP17Transfer) (bool, error)) (bool, error)

ForEachNEP17 iterates over a transfer log returning on the first error.

func (*TokenTransferLog) Reset added in v0.99.1 

func (lg *TokenTransferLog) Reset()

Reset resets the state of the log, clearing all entries, but keeping existing buffer for future writes.

func (*TokenTransferLog) Size added in v0.98.0 

func (lg *TokenTransferLog) Size() int

Size returns the amount of the transfer written in the log.

type Validator 

type Validator struct {
	Key   *keys.PublicKey
	Votes *big.Int
}

Validator holds the state of a validator (its key and votes balance).

Source Files

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