types

package
v1.2.2 Latest Latest
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 Go to latest Published: Mar 1, 2024 License: GPL-3.0, GPL-3.0 Imports: 25 Imported by: 9

Documentation

Overview

Package types contains data types related to Ethereum consensus.

Index

Constants

View Source 
const (
	// BloomByteLength represents the number of bytes used in a header log bloom.
	BloomByteLength = 256

	// BloomBitLength represents the number of bits used in a header log bloom.
	BloomBitLength = 8 * BloomByteLength
)
View Source 
const (
	// ReceiptStatusFailed is the status code of a transaction if execution failed.
	ReceiptStatusFailed = uint64(0)

	// ReceiptStatusSuccessful is the status code of a transaction if execution succeeded.
	ReceiptStatusSuccessful = uint64(1)
)
View Source 
const (
	LegacyTxType = iota
	AccessListTxType
	DynamicFeeTxType
)

Transaction types.

Variables

View Source 
var (
	EmptyRandomness     = Randomness{}
	EmptyEpochSnarkData = EpochSnarkData{}
	EmptyRootHash       = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
	EmptyUncleHash      = rlpHash([]*Header(nil))
)
View Source 
var (
	IstanbulExtraVanity       = 32                       // Fixed number of extra-data bytes reserved for validator vanity
	IstanbulExtraBlsSignature = blscrypto.SIGNATUREBYTES // Fixed number of extra-data bytes reserved for validator seal on the current block
	IstanbulExtraSeal         = 65                       // Fixed number of extra-data bytes reserved for validator seal

	// ErrInvalidIstanbulHeaderExtra is returned if the length of extra-data is less than 32 bytes
	ErrInvalidIstanbulHeaderExtra = errors.New("invalid istanbul header extra-data")
	EmptyBlockSeal                = []byte{}
)
View Source 
var (
	ErrInvalidSig           = errors.New("invalid transaction v, r, s values")
	ErrUnexpectedProtection = errors.New("transaction type does not supported EIP-155 protected signatures")
	ErrInvalidTxType        = errors.New("transaction type not valid in this context")
	ErrTxTypeNotSupported   = errors.New("transaction type not supported")
	ErrGasFeeCapTooLow      = errors.New("fee cap less than base fee")
)
View Source 
var ErrInvalidChainId = errors.New("invalid chain id for signer")

Functions

func Bloom9 

func Bloom9(data []byte) []byte

Bloom9 returns the bloom filter for the given data

func BloomLookup 

func BloomLookup(bin Bloom, topic bytesBacked) bool

BloomLookup is a convenience-method to check presence int he bloom filter

func ConvertToStringSlice added in v0.3.1 

func ConvertToStringSlice(addresses []common.Address) []string

Converts an array of addresses to an array of their hex strings. Used for printing out an array of addresses

func DeriveSha 

func DeriveSha(list DerivableList, hasher TrieHasher) common.Hash

DeriveSha creates the tree hashes of transactions and receipts in a block header.

func DeriveTire deprecated added in v0.3.1 

func DeriveTire(rs types.Receipts, tr *trie.Trie) *trie.Trie

Deprecated: for test use only

func Fee added in v0.3.1 

func Fee(gasPrice *big.Int, gasLimit uint64, gatewayFee *big.Int) *big.Int

Fee calculates the transaction fee (gasLimit * gasPrice + gatewayFee)

func LogsBloom 

func LogsBloom(logs []*Log) []byte

LogsBloom returns the bloom bytes for the given logs

func Sender 

func Sender(signer Signer, tx *Transaction) (common.Address, error)

Sender returns the address derived from the signature (V, R, S) using secp256k1 elliptic curve and an error if it failed deriving or upon an incorrect signature.

Sender may cache the address, allowing it to be used regardless of signing method. The cache is invalidated if the cached signer does not match the signer used in the current call.

Types

type AccessList 

type AccessList []AccessTuple

AccessList is an EIP-2930 access list.

func (AccessList) StorageKeys 

func (al AccessList) StorageKeys() int

StorageKeys returns the total number of storage keys in the access list.

type AccessListTx 

type AccessListTx struct {
	ChainID    *big.Int        // destination chain ID
	Nonce      uint64          // nonce of sender account
	GasPrice   *big.Int        // wei per gas
	Gas        uint64          // gas limit
	To         *common.Address `rlp:"nil"` // nil means contract creation
	Value      *big.Int        // wei amount
	Data       []byte          // contract invocation input data
	AccessList AccessList      // EIP-2930 access list
	V, R, S    *big.Int        // signature values
}

AccessListTx is the data of EIP-2930 access list transactions.

type AccessTuple 

type AccessTuple struct {
	Address     common.Address `json:"address"        gencodec:"required"`
	StorageKeys []common.Hash  `json:"storageKeys"    gencodec:"required"`
}

AccessTuple is the element type of an access list.

func (AccessTuple) MarshalJSON 

func (a AccessTuple) MarshalJSON() ([]byte, error)

MarshalJSON marshals as JSON.

func (*AccessTuple) UnmarshalJSON 

func (a *AccessTuple) UnmarshalJSON(input []byte) error

UnmarshalJSON unmarshals from JSON.

type Block 

type Block struct {

	// These fields are used by package eth to track
	// inter-peer block relay.
	ReceivedAt   time.Time
	ReceivedFrom interface{}
	// contains filtered or unexported fields
}

Block represents an entire block in the Ethereum blockchain.

func NewBlock 

func NewBlock(header *Header, txs []*Transaction, receipts []*Receipt, randomness *Randomness) *Block

NewBlock creates a new block. The input data is copied, changes to header and to the field values will not affect the block.

The values of TxHash, UncleHash, ReceiptHash and Bloom in header are ignored and set to values derived from the given txs, uncles and receipts. todo ibft

func NewBlockWithHeader 

func NewBlockWithHeader(header *Header) *Block

NewBlockWithHeader creates a block with the given header data. The header data is copied, changes to header and to the field values will not affect the block.

func (*Block) BaseFee added in v0.3.1 

func (b *Block) BaseFee() *big.Int

func (*Block) Bloom 

func (b *Block) Bloom() Bloom

func (*Block) Body 

func (b *Block) Body() *Body

Body returns the non-header content of the block.

func (*Block) Coinbase 

func (b *Block) Coinbase() common.Address

func (*Block) DecodeRLP 

func (b *Block) DecodeRLP(s *rlp.Stream) error

DecodeRLP decodes the Ethereum

func (*Block) EncodeRLP 

func (b *Block) EncodeRLP(w io.Writer) error

EncodeRLP serializes b into the Ethereum RLP block format.

func (*Block) EpochSnarkData added in v0.4.1 

func (b *Block) EpochSnarkData() *EpochSnarkData

func (*Block) Extra 

func (b *Block) Extra() []byte

func (*Block) GasLimit 

func (b *Block) GasLimit() uint64

func (*Block) GasUsed 

func (b *Block) GasUsed() uint64

func (*Block) Hash 

func (b *Block) Hash() common.Hash

Hash returns the keccak256 hash of b's header. The hash is computed on the first call and cached thereafter.

func (*Block) Header 

func (b *Block) Header() *Header

func (*Block) MixDigest 

func (b *Block) MixDigest() common.Hash

func (*Block) MutableHeader added in v0.3.1 

func (b *Block) MutableHeader() *Header

func (*Block) Nonce 

func (b *Block) Nonce() uint64

func (*Block) Number 

func (b *Block) Number() *big.Int

func (*Block) NumberU64 

func (b *Block) NumberU64() uint64

func (*Block) ParentHash 

func (b *Block) ParentHash() common.Hash

func (*Block) Randomness added in v0.4.1 

func (b *Block) Randomness() *Randomness

func (*Block) ReceiptHash 

func (b *Block) ReceiptHash() common.Hash

func (*Block) Root 

func (b *Block) Root() common.Hash

func (*Block) SanityCheck 

func (b *Block) SanityCheck() error

SanityCheck can be used to prevent that unbounded fields are stuffed with junk data to add processing overhead

func (*Block) Size 

func (b *Block) Size() common.StorageSize

Size returns the true RLP encoded storage size of the block, either by encoding and returning it, or returning a previsouly cached value.

func (*Block) Time 

func (b *Block) Time() uint64

func (*Block) TotalDifficulty added in v0.3.1 

func (b *Block) TotalDifficulty() *big.Int

func (*Block) Transaction 

func (b *Block) Transaction(hash common.Hash) *Transaction

func (*Block) Transactions 

func (b *Block) Transactions() Transactions

func (*Block) TxHash 

func (b *Block) TxHash() common.Hash

func (*Block) WithBody 

func (b *Block) WithBody(transactions []*Transaction, randomness *Randomness, epochSnarkData *EpochSnarkData) *Block

WithBody returns a new block with the given transaction and uncle contents.

func (*Block) WithEpochSnarkData added in v0.3.1 

func (b *Block) WithEpochSnarkData(epochSnarkData *EpochSnarkData) *Block

WithEpochSnarkData returns a new block with the given epoch SNARK data.

func (*Block) WithHeader added in v0.3.1 

func (b *Block) WithHeader(header *Header) *Block

WithHeader returns a new block with the data from b but the header replaced with the sealed one.

func (*Block) WithRandomness added in v0.3.1 

func (b *Block) WithRandomness(randomness *Randomness) *Block

WithRandomness returns a new block with the given randomness.

func (*Block) WithSeal 

func (b *Block) WithSeal(header *Header) *Block

WithSeal returns a new block with the data from b but the header replaced with the sealed one.

type BlockNonce 

type BlockNonce [8]byte

A BlockNonce is a 64-bit hash which proves (combined with the mix-hash) that a sufficient amount of computation has been carried out on a block.

func EncodeNonce 

func EncodeNonce(i uint64) BlockNonce

EncodeNonce converts the given integer to a block nonce.

func (BlockNonce) MarshalText 

func (n BlockNonce) MarshalText() ([]byte, error)

MarshalText encodes n as a hex string with 0x prefix.

func (BlockNonce) Uint64 

func (n BlockNonce) Uint64() uint64

Uint64 returns the integer value of a block nonce.

func (*BlockNonce) UnmarshalText 

func (n *BlockNonce) UnmarshalText(input []byte) error

UnmarshalText implements encoding.TextUnmarshaler.

type Blocks 

type Blocks []*Block

type Bloom 

type Bloom [BloomByteLength]byte

Bloom represents a 2048 bit bloom filter.

func BytesToBloom 

func BytesToBloom(b []byte) Bloom

BytesToBloom converts a byte slice to a bloom filter. It panics if b is not of suitable size.

func CreateBloom 

func CreateBloom(receipts Receipts) Bloom

CreateBloom creates a bloom filter out of the give Receipts (+Logs)

func (*Bloom) Add 

func (b *Bloom) Add(d []byte)

Add adds d to the filter. Future calls of Test(d) will return true.

func (Bloom) Big 

func (b Bloom) Big() *big.Int

Big converts b to a big integer. Note: Converting a bloom filter to a big.Int and then calling GetBytes does not return the same bytes, since big.Int will trim leading zeroes

func (Bloom) Bytes 

func (b Bloom) Bytes() []byte

Bytes returns the backing byte slice of the bloom

func (Bloom) MarshalText 

func (b Bloom) MarshalText() ([]byte, error)

MarshalText encodes b as a hex string with 0x prefix.

func (*Bloom) SetBytes 

func (b *Bloom) SetBytes(d []byte)

SetBytes sets the content of b to the given bytes. It panics if d is not of suitable size.

func (Bloom) Test 

func (b Bloom) Test(topic []byte) bool

Test checks if the given topic is present in the bloom filter

func (*Bloom) UnmarshalText 

func (b *Bloom) UnmarshalText(input []byte) error

UnmarshalText b as a hex string with 0x prefix.

type Body 

type Body struct {
	Transactions   []*Transaction
	Randomness     *Randomness
	EpochSnarkData *EpochSnarkData
}

Body is a simple (mutable, non-safe) data container for storing and moving a block's data contents (transactions and uncles) together.

type CallMsg added in v0.3.1 

type CallMsg struct {
	From      common.Address  // the sender of the 'transaction'
	To        *common.Address // the destination contract (nil for contract creation)
	Gas       uint64          // if 0, the call executes with near-infinite gas
	GasPrice  *big.Int        // wei <-> gas exchange ratio
	GasFeeCap *big.Int        // EIP-1559 fee cap per gas.
	GasTipCap *big.Int        // EIP-1559 tip per gas.
	Value     *big.Int        // amount of wei sent along with the call
	Data      []byte          // input data, usually an ABI-encoded contract method invocation

	AccessList AccessList // EIP-2930 access list.
}

type DerivableList 

type DerivableList interface {
	Len() int
	EncodeIndex(int, *bytes.Buffer)
}

DerivableList is the input to DeriveSha. It is implemented by the 'Transactions' and 'Receipts' types. This is internal, do not use these methods.

type DynamicFeeTx added in v0.3.1 

type DynamicFeeTx struct {
	ChainID    *big.Int
	Nonce      uint64
	GasTipCap  *big.Int
	GasFeeCap  *big.Int
	Gas        uint64
	To         *common.Address `rlp:"nil"` // nil means contract creation
	Value      *big.Int
	Data       []byte
	AccessList AccessList

	// Signature values
	V *big.Int `json:"v" gencodec:"required"`
	R *big.Int `json:"r" gencodec:"required"`
	S *big.Int `json:"s" gencodec:"required"`
}

type EIP155Signer 

type EIP155Signer struct {
	// contains filtered or unexported fields
}

EIP155Signer implements Signer using the EIP-155 rules. This accepts transactions which are replay-protected as well as unprotected homestead transactions.

func NewEIP155Signer 

func NewEIP155Signer(chainId *big.Int) EIP155Signer

func (EIP155Signer) ChainID 

func (s EIP155Signer) ChainID() *big.Int

func (EIP155Signer) Equal 

func (s EIP155Signer) Equal(s2 Signer) bool

func (EIP155Signer) Hash 

func (s EIP155Signer) Hash(tx *Transaction) common.Hash

Hash returns the hash to be signed by the sender. It does not uniquely identify the transaction.

func (EIP155Signer) Sender 

func (s EIP155Signer) Sender(tx *Transaction) (common.Address, error)

func (EIP155Signer) SignatureValues 

func (s EIP155Signer) SignatureValues(tx *Transaction, sig []byte) (R, S, V *big.Int, err error)

SignatureValues returns signature values. This signature needs to be in the [R || S || V] format where V is 0 or 1.

type EpochSnarkData added in v0.3.1 

type EpochSnarkData struct {
	Bitmap    *big.Int
	Signature []byte
}

func (*EpochSnarkData) DecodeRLP added in v0.3.1 

func (r *EpochSnarkData) DecodeRLP(s *rlp.Stream) error

func (*EpochSnarkData) EncodeRLP added in v0.3.1 

func (r *EpochSnarkData) EncodeRLP(w io.Writer) error

func (*EpochSnarkData) IsEmpty added in v0.3.1 

func (r *EpochSnarkData) IsEmpty() bool

func (*EpochSnarkData) Size added in v0.3.1 

func (r *EpochSnarkData) Size() common.StorageSize

Size returns the approximate memory used by all internal contents. It is used to approximate and limit the memory consumption of various caches.

type FrontierSigner 

type FrontierSigner struct{}

func (FrontierSigner) ChainID 

func (s FrontierSigner) ChainID() *big.Int

func (FrontierSigner) Equal 

func (s FrontierSigner) Equal(s2 Signer) bool

func (FrontierSigner) Hash 

func (fs FrontierSigner) Hash(tx *Transaction) common.Hash

Hash returns the hash to be signed by the sender. It does not uniquely identify the transaction.

func (FrontierSigner) Sender 

func (fs FrontierSigner) Sender(tx *Transaction) (common.Address, error)

func (FrontierSigner) SignatureValues 

func (fs FrontierSigner) SignatureValues(tx *Transaction, sig []byte) (r, s, v *big.Int, err error)

SignatureValues returns signature values. This signature needs to be in the [R || S || V] format where V is 0 or 1. 

type Header struct {
	ParentHash  common.Hash    `json:"parentHash"       gencodec:"required"`
	Coinbase    common.Address `json:"miner"            gencodec:"required"`
	Root        common.Hash    `json:"stateRoot"        gencodec:"required"`
	TxHash      common.Hash    `json:"transactionsRoot" gencodec:"required"`
	ReceiptHash common.Hash    `json:"receiptsRoot"     gencodec:"required"`
	Bloom       Bloom          `json:"logsBloom"        gencodec:"required"`
	Number      *big.Int       `json:"number"           gencodec:"required"`
	GasLimit    uint64         `json:"gasLimit"         gencodec:"required"`
	GasUsed     uint64         `json:"gasUsed"          gencodec:"required"`
	Time        uint64         `json:"timestamp"        gencodec:"required"`
	Extra       []byte         `json:"extraData"        gencodec:"required"`
	MixDigest   common.Hash    `json:"mixHash"`
	Nonce       BlockNonce     `json:"nonce"`

	// BaseFee was added by EIP-1559 and is ignored in legacy headers.
	BaseFee *big.Int `json:"baseFeePerGas" rlp:"optional"`
}

Header represents a block header in the Ethereum blockchain.

func CopyHeader 

func CopyHeader(h *Header) *Header

CopyHeader creates a deep copy of a block header to prevent side effects from modifying a header variable.

func IstanbulFilteredHeader added in v0.3.1 

func IstanbulFilteredHeader(h *Header, keepSeal bool) *Header

IstanbulFilteredHeader returns a filtered header which some information (like seal, aggregated signature) are clean to fulfill the Istanbul hash rules. It returns nil if the extra-data cannot be decoded/encoded by rlp.

func (*Header) EmptyBody 

func (h *Header) EmptyBody() bool

EmptyBody returns true if there is no additional 'body' to complete the header that is: no transactions.

func (*Header) EmptyReceipts 

func (h *Header) EmptyReceipts() bool

EmptyReceipts returns true if there are no receipts for this header/block.

func (*Header) Hash 

func (h *Header) Hash() common.Hash

Hash returns the block hash of the header, which is simply the keccak256 hash of its RLP encoding.

func (Header) MarshalJSON 

func (h Header) MarshalJSON() ([]byte, error)

MarshalJSON marshals as JSON.

func (*Header) SanityCheck 

func (h *Header) SanityCheck() error

SanityCheck checks a few basic things -- these checks are way beyond what any 'sane' production values should hold, and can mainly be used to prevent that the unbounded fields are stuffed with junk data to add processing overhead

func (*Header) Size 

func (h *Header) Size() common.StorageSize

Size returns the approximate memory used by all internal contents. It is used to approximate and limit the memory consumption of various caches.

func (*Header) UnmarshalJSON 

func (h *Header) UnmarshalJSON(input []byte) error

UnmarshalJSON unmarshals from JSON.

type HomesteadSigner 

type HomesteadSigner struct{ FrontierSigner }

HomesteadTransaction implements TransactionInterface using the homestead rules.

func (HomesteadSigner) ChainID 

func (s HomesteadSigner) ChainID() *big.Int

func (HomesteadSigner) Equal 

func (s HomesteadSigner) Equal(s2 Signer) bool

func (HomesteadSigner) Sender 

func (hs HomesteadSigner) Sender(tx *Transaction) (common.Address, error)

func (HomesteadSigner) SignatureValues 

func (hs HomesteadSigner) SignatureValues(tx *Transaction, sig []byte) (r, s, v *big.Int, err error)

SignatureValues returns signature values. This signature needs to be in the [R || S || V] format where V is 0 or 1.

type IstanbulAggregatedSeal added in v0.3.1 

type IstanbulAggregatedSeal struct {
	// Bitmap is a bitmap having an active bit for each validator that signed this block
	Bitmap *big.Int
	// Signature is an aggregated BLS signature resulting from signatures by each validator that signed this block
	Signature []byte
	// Round is the round in which the signature was created.
	Round *big.Int
}

func (*IstanbulAggregatedSeal) String added in v0.3.1 

func (ist *IstanbulAggregatedSeal) String() string

type IstanbulEpochValidatorSetSeal added in v0.3.1 

type IstanbulEpochValidatorSetSeal struct {
	// Bitmap is a bitmap having an active bit for each validator that signed this epoch data
	Bitmap *big.Int

	// Signature is an aggregated BLS signature resulting from signatures by each validator that signed this block
	Signature []byte
}

type IstanbulExtra added in v0.3.1 

type IstanbulExtra struct {
	// AddedValidators are the validators that have been added in the block
	AddedValidators []common.Address
	// AddedValidatorsPublicKeys are the BLS public keys for the validators added in the block
	AddedValidatorsPublicKeys []blscrypto.SerializedPublicKey
	// AddedValidatorsG1PublicKeys are the BLS public keys for the validators added in the block
	AddedValidatorsG1PublicKeys []blscrypto.SerializedG1PublicKey
	// RemovedValidators is a bitmap having an active bit for each removed validator in the block
	RemovedValidators *big.Int
	// Seal is an ECDSA signature by the proposer
	Seal []byte
	// AggregatedSeal contains the aggregated BLS signature created via IBFT consensus.
	AggregatedSeal IstanbulAggregatedSeal
	// ParentAggregatedSeal contains and aggregated BLS signature for the previous block.
	ParentAggregatedSeal IstanbulAggregatedSeal
}

func ExtractIstanbulExtra added in v0.3.1 

func ExtractIstanbulExtra(h *Header) (*IstanbulExtra, error)

ExtractIstanbulExtra extracts all values of the IstanbulExtra from the header. It returns an error if the length of the given extra-data is less than 32 bytes or the extra-data can not be decoded.

func (*IstanbulExtra) DecodeRLP added in v0.3.1 

func (ist *IstanbulExtra) DecodeRLP(s *rlp.Stream) error

DecodeRLP implements rlp.Decoder, and load the istanbul fields from a RLP stream.

func (*IstanbulExtra) EncodeRLP added in v0.3.1 

func (ist *IstanbulExtra) EncodeRLP(w io.Writer) error

EncodeRLP serializes ist into the Ethereum RLP format.

type LegacyTx 

type LegacyTx struct {
	Nonce    uint64          // nonce of sender account
	GasPrice *big.Int        // wei per gas
	Gas      uint64          // gas limit
	To       *common.Address `rlp:"nil"` // nil means contract creation
	Value    *big.Int        // wei amount
	Data     []byte          // contract invocation input data
	V, R, S  *big.Int        // signature values
}

LegacyTx is the transaction data of regular Ethereum transactions.

type Log 

type Log struct {
	// Consensus fields:
	// address of the contract that generated the event
	Address common.Address `json:"address" gencodec:"required"`
	// list of topics provided by the contract.
	Topics []common.Hash `json:"topics" gencodec:"required"`
	// supplied by the contract, usually ABI-encoded
	Data []byte `json:"data" gencodec:"required"`

	// Derived fields. These fields are filled in by the node
	// but not secured by consensus.
	// block in which the transaction was included
	BlockNumber uint64 `json:"blockNumber"`
	// hash of the transaction
	TxHash common.Hash `json:"transactionHash" gencodec:"required"`
	// index of the transaction in the block
	TxIndex uint `json:"transactionIndex"`
	// hash of the block in which the transaction was included
	BlockHash common.Hash `json:"blockHash"`
	// index of the log in the block
	Index uint `json:"logIndex"`

	// The Removed field is true if this log was reverted due to a chain reorganisation.
	// You must pay attention to this field if you receive logs through a filter query.
	Removed bool `json:"removed"`
}

Log represents a contract log event. These events are generated by the LOG opcode and stored/indexed by the node.

func (*Log) DecodeRLP 

func (l *Log) DecodeRLP(s *rlp.Stream) error

DecodeRLP implements rlp.Decoder.

func (*Log) EncodeRLP 

func (l *Log) EncodeRLP(w io.Writer) error

EncodeRLP implements rlp.Encoder.

func (Log) MarshalJSON 

func (l Log) MarshalJSON() ([]byte, error)

MarshalJSON marshals as JSON.

func (*Log) UnmarshalJSON 

func (l *Log) UnmarshalJSON(input []byte) error

UnmarshalJSON unmarshals from JSON.

type LogForStorage 

type LogForStorage Log

LogForStorage is a wrapper around a Log that flattens and parses the entire content of a log including non-consensus fields.

func (*LogForStorage) DecodeRLP 

func (l *LogForStorage) DecodeRLP(s *rlp.Stream) error

DecodeRLP implements rlp.Decoder.

Note some redundant fields(e.g. block number, tx hash etc) will be assembled later.

func (*LogForStorage) EncodeRLP 

func (l *LogForStorage) EncodeRLP(w io.Writer) error

EncodeRLP implements rlp.Encoder.

type Message 

type Message struct {
	// contains filtered or unexported fields
}

Message is a fully derived transaction and implements core.Message

NOTE: In a future PR this will be removed.

func NewMessage 

func NewMessage(from common.Address, to *common.Address, nonce uint64, amount *big.Int, gasLimit uint64, gasPrice, gasFeeCap, gasTipCap *big.Int, data []byte, accessList AccessList, isFake bool) Message

func (Message) AccessList 

func (m Message) AccessList() AccessList

func (Message) Data 

func (m Message) Data() []byte

func (Message) From 

func (m Message) From() common.Address

func (Message) Gas 

func (m Message) Gas() uint64

func (Message) GasFeeCap added in v0.3.1 

func (m Message) GasFeeCap() *big.Int

func (Message) GasPrice 

func (m Message) GasPrice() *big.Int

func (Message) GasTipCap added in v0.3.1 

func (m Message) GasTipCap() *big.Int

func (Message) IsFake added in v0.3.1 

func (m Message) IsFake() bool

func (Message) Nonce 

func (m Message) Nonce() uint64

func (Message) To 

func (m Message) To() *common.Address

func (Message) Value 

func (m Message) Value() *big.Int

type Randomness added in v0.3.1 

type Randomness struct {
	Revealed  common.Hash
	Committed common.Hash
}

func (*Randomness) DecodeRLP added in v0.3.1 

func (r *Randomness) DecodeRLP(s *rlp.Stream) error

func (*Randomness) EncodeRLP added in v0.3.1 

func (r *Randomness) EncodeRLP(w io.Writer) error

func (*Randomness) Size added in v0.3.1 

func (r *Randomness) Size() common.StorageSize

type Receipt 

type Receipt struct {
	// Consensus fields: These fields are defined by the Yellow Paper
	Type              uint8  `json:"type,omitempty"`
	PostState         []byte `json:"root"`
	Status            uint64 `json:"status"`
	CumulativeGasUsed uint64 `json:"cumulativeGasUsed" gencodec:"required"`
	Bloom             Bloom  `json:"logsBloom"         gencodec:"required"`
	Logs              []*Log `json:"logs"              gencodec:"required"`

	// Implementation fields: These fields are added by geth when processing a transaction.
	// They are stored in the chain database.
	TxHash          common.Hash    `json:"transactionHash" gencodec:"required"`
	ContractAddress common.Address `json:"contractAddress"`
	GasUsed         uint64         `json:"gasUsed" gencodec:"required"`

	// Inclusion information: These fields provide information about the inclusion of the
	// transaction corresponding to this receipt.
	BlockHash        common.Hash `json:"blockHash,omitempty"`
	BlockNumber      *big.Int    `json:"blockNumber,omitempty"`
	TransactionIndex uint        `json:"transactionIndex"`
}

Receipt represents the results of a transaction.

func NewReceipt 

func NewReceipt(root []byte, failed bool, cumulativeGasUsed uint64) *Receipt

NewReceipt creates a barebone transaction receipt, copying the init fields. Deprecated: create receipts using a struct literal instead.

func (*Receipt) DecodeRLP 

func (r *Receipt) DecodeRLP(s *rlp.Stream) error

DecodeRLP implements rlp.Decoder, and loads the consensus fields of a receipt from an RLP stream.

func (*Receipt) EncodeRLP 

func (r *Receipt) EncodeRLP(w io.Writer) error

EncodeRLP implements rlp.Encoder, and flattens the consensus fields of a receipt into an RLP stream. If no post state is present, byzantium fork is assumed.

func (*Receipt) MarshalBinary added in v0.3.1 

func (r *Receipt) MarshalBinary() ([]byte, error)

MarshalBinary returns the consensus encoding of the receipt.

func (Receipt) MarshalJSON 

func (r Receipt) MarshalJSON() ([]byte, error)

MarshalJSON marshals as JSON.

func (*Receipt) Size 

func (r *Receipt) Size() common.StorageSize

Size returns the approximate memory used by all internal contents. It is used to approximate and limit the memory consumption of various caches.

func (*Receipt) UnmarshalBinary added in v0.3.1 

func (r *Receipt) UnmarshalBinary(b []byte) error

UnmarshalBinary decodes the consensus encoding of receipts. It supports legacy RLP receipts and EIP-2718 typed receipts.

func (*Receipt) UnmarshalJSON 

func (r *Receipt) UnmarshalJSON(input []byte) error

UnmarshalJSON unmarshals from JSON.

type ReceiptForStorage 

type ReceiptForStorage Receipt

ReceiptForStorage is a wrapper around a Receipt that flattens and parses the entire content of a receipt, as opposed to only the consensus fields originally.

func (*ReceiptForStorage) DecodeRLP 

func (r *ReceiptForStorage) DecodeRLP(s *rlp.Stream) error

DecodeRLP implements rlp.Decoder, and loads both consensus and implementation fields of a receipt from an RLP stream.

func (*ReceiptForStorage) EncodeRLP 

func (r *ReceiptForStorage) EncodeRLP(w io.Writer) error

EncodeRLP implements rlp.Encoder, and flattens all content fields of a receipt into an RLP stream.

type Receipts 

type Receipts []*Receipt

Receipts implements DerivableList for receipts.

func (Receipts) DeriveFields 

func (rs Receipts) DeriveFields(config *params.ChainConfig, hash common.Hash, number uint64, txs Transactions) error

DeriveFields fills the receipts with their computed fields based on consensus data and contextual infos like containing block and transactions.

func (Receipts) EncodeIndex 

func (rs Receipts) EncodeIndex(i int, w *bytes.Buffer)

EncodeIndex encodes the i'th receipt to w.

func (Receipts) Len 

func (rs Receipts) Len() int

Len returns the number of receipts in this list.

type Signer 

type Signer interface {
	// Sender returns the sender address of the transaction.
	Sender(tx *Transaction) (common.Address, error)

	// SignatureValues returns the raw R, S, V values corresponding to the
	// given signature.
	SignatureValues(tx *Transaction, sig []byte) (r, s, v *big.Int, err error)
	ChainID() *big.Int

	// Hash returns 'signature hash', i.e. the transaction hash that is signed by the
	// private key. This hash does not uniquely identify the transaction.
	Hash(tx *Transaction) common.Hash

	// Equal returns true if the given signer is the same as the receiver.
	Equal(Signer) bool
}

Signer encapsulates transaction signature handling. The name of this type is slightly misleading because Signers don't actually sign, they're just for validating and processing of signatures.

Note that this interface is not a stable API and may change at any time to accommodate new protocol rules.

func LatestSigner 

func LatestSigner(config *params.ChainConfig) Signer

LatestSigner returns the 'most permissive' Signer available for the given chain configuration. Specifically, this enables support of EIP-155 replay protection and EIP-2930 access list transactions when their respective forks are scheduled to occur at any block number in the chain config.

Use this in transaction-handling code where the current block number is unknown. If you have the current block number available, use MakeSigner instead.

func LatestSignerForChainID 

func LatestSignerForChainID(chainID *big.Int) Signer

LatestSignerForChainID returns the 'most permissive' Signer available. Specifically, this enables support for EIP-155 replay protection and all implemented EIP-2718 transaction types if chainID is non-nil.

Use this in transaction-handling code where the current block number and fork configuration are unknown. If you have a ChainConfig, use LatestSigner instead. If you have a ChainConfig and know the current block number, use MakeSigner instead.

func MakeSigner 

func MakeSigner(config *params.ChainConfig, blockNumber *big.Int) Signer

MakeSigner returns a Signer based on the given chain config and block number.

func NewEIP2930Signer 

func NewEIP2930Signer(chainId *big.Int) Signer

NewEIP2930Signer returns a signer that accepts EIP-2930 access list transactions, EIP-155 replay protected transactions, and legacy Homestead transactions.

func NewLondonSigner added in v0.3.1 

func NewLondonSigner(chainId *big.Int) Signer

NewLondonSigner returns a signer that accepts - EIP-1559 dynamic fee transactions - EIP-2930 access list transactions, - EIP-155 replay protected transactions, and - legacy Homestead transactions.

type StateDB added in v0.4.1 

type StateDB interface {
	CreateAccount(common.Address)

	SubBalance(common.Address, *big.Int)
	AddBalance(common.Address, *big.Int)
	GetBalance(common.Address) *big.Int

	GetNonce(common.Address) uint64
	SetNonce(common.Address, uint64)

	GetCodeHash(common.Address) common.Hash
	GetCode(common.Address) []byte
	SetCode(common.Address, []byte)
	GetCodeSize(common.Address) int

	AddRefund(uint64)
	SubRefund(uint64)
	GetRefund() uint64

	GetCommittedState(common.Address, common.Hash) common.Hash
	GetState(common.Address, common.Hash) common.Hash
	SetState(common.Address, common.Hash, common.Hash)

	GetPOWState(common.Address, common.Hash) []byte
	SetPOWState(common.Address, common.Hash, []byte)

	Suicide(common.Address) bool
	HasSuicided(common.Address) bool

	// Exist reports whether the given account exists in state.
	// Notably this should also return true for suicided accounts.
	Exist(common.Address) bool
	// Empty returns whether the given account is empty. Empty
	// is defined according to EIP161 (balance = nonce = code = 0).
	Empty(common.Address) bool

	PrepareAccessList(sender common.Address, dest *common.Address, precompiles []common.Address, txAccesses AccessList)
	AddressInAccessList(addr common.Address) bool
	SlotInAccessList(addr common.Address, slot common.Hash) (addressOk bool, slotOk bool)
	// AddAddressToAccessList adds the given address to the access list. This operation is safe to perform
	// even if the feature/fork is not active yet
	AddAddressToAccessList(addr common.Address)
	// AddSlotToAccessList adds the given (address,slot) to the access list. This operation is safe to perform
	// even if the feature/fork is not active yet
	AddSlotToAccessList(addr common.Address, slot common.Hash)

	RevertToSnapshot(int)
	Snapshot() int

	AddLog(*Log)
	AddPreimage(common.Hash, []byte)

	ForEachStorage(common.Address, func(common.Hash, common.Hash) bool) error
	ForEachPOWStorage(common.Address, func(common.Hash, []byte) bool)
}

StateDB is an EVM database for full state querying.

type Transaction 

type Transaction struct {
	// contains filtered or unexported fields
}

Transaction is an Ethereum transaction.

func MustSignNewTx 

func MustSignNewTx(prv *ecdsa.PrivateKey, s Signer, txdata TxData) *Transaction

MustSignNewTx creates a transaction and signs it. This panics if the transaction cannot be signed.

func NewContractCreation 

func NewContractCreation(nonce uint64, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte) *Transaction

NewContractCreation creates an unsigned legacy transaction. Deprecated: use NewTx instead.

func NewTransaction 

func NewTransaction(nonce uint64, to common.Address, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte) *Transaction

NewTransaction creates an unsigned legacy transaction. Deprecated: use NewTx instead.

func NewTx 

func NewTx(inner TxData) *Transaction

NewTx creates a new transaction.

func SignNewTx 

func SignNewTx(prv *ecdsa.PrivateKey, s Signer, txdata TxData) (*Transaction, error)

SignNewTx creates a transaction and signs it.

func SignTx 

func SignTx(tx *Transaction, s Signer, prv *ecdsa.PrivateKey) (*Transaction, error)

SignTx signs the transaction using the given signer and private key.

func (*Transaction) AccessList 

func (tx *Transaction) AccessList() AccessList

AccessList returns the access list of the transaction.

func (*Transaction) AsMessage 

func (tx *Transaction) AsMessage(s Signer, baseFee *big.Int) (Message, error)

AsMessage returns the transaction as a core.Message.

func (*Transaction) ChainId 

func (tx *Transaction) ChainId() *big.Int

ChainId returns the EIP155 chain ID of the transaction. The return value will always be non-nil. For legacy transactions which are not replay-protected, the return value is zero.

func (*Transaction) Cost 

func (tx *Transaction) Cost() *big.Int

Cost returns gas * gasPrice + value.

func (*Transaction) Data 

func (tx *Transaction) Data() []byte

Data returns the input data of the transaction.

func (*Transaction) DecodeRLP 

func (tx *Transaction) DecodeRLP(s *rlp.Stream) error

DecodeRLP implements rlp.Decoder

func (*Transaction) EffectiveGasTip added in v0.3.1 

func (tx *Transaction) EffectiveGasTip(baseFee *big.Int) (*big.Int, error)

EffectiveGasTip returns the effective miner gasTipCap for the given base fee. Note: if the effective gasTipCap is negative, this method returns both error the actual negative value, _and_ ErrGasFeeCapTooLow

func (*Transaction) EffectiveGasTipCmp added in v0.3.1 

func (tx *Transaction) EffectiveGasTipCmp(other *Transaction, baseFee *big.Int) int

EffectiveGasTipCmp compares the effective gasTipCap of two transactions assuming the given base fee.

func (*Transaction) EffectiveGasTipIntCmp added in v0.3.1 

func (tx *Transaction) EffectiveGasTipIntCmp(other *big.Int, baseFee *big.Int) int

EffectiveGasTipIntCmp compares the effective gasTipCap of a transaction to the given gasTipCap.

func (*Transaction) EffectiveGasTipValue added in v0.3.1 

func (tx *Transaction) EffectiveGasTipValue(baseFee *big.Int) *big.Int

EffectiveGasTipValue is identical to EffectiveGasTip, but does not return an error in case the effective gasTipCap is negative

func (*Transaction) EncodeRLP 

func (tx *Transaction) EncodeRLP(w io.Writer) error

EncodeRLP implements rlp.Encoder

func (*Transaction) Fee added in v0.3.1 

func (tx *Transaction) Fee() *big.Int

func (*Transaction) FeeCurrency added in v0.3.1 

func (tx *Transaction) FeeCurrency() *common.Address

func (*Transaction) Gas 

func (tx *Transaction) Gas() uint64

Gas returns the gas limit of the transaction.

func (*Transaction) GasFeeCap added in v0.3.1 

func (tx *Transaction) GasFeeCap() *big.Int

GasFeeCap returns the fee cap per gas of the transaction.

func (*Transaction) GasFeeCapCmp added in v0.3.1 

func (tx *Transaction) GasFeeCapCmp(other *Transaction) int

GasFeeCapCmp compares the fee cap of two transactions. todo ibft ???

func (*Transaction) GasFeeCapIntCmp added in v0.3.1 

func (tx *Transaction) GasFeeCapIntCmp(other *big.Int) int

GasFeeCapIntCmp compares the fee cap of the transaction against the given fee cap.

func (*Transaction) GasPrice 

func (tx *Transaction) GasPrice() *big.Int

GasPrice returns the gas price of the transaction.

func (*Transaction) GasTipCap added in v0.3.1 

func (tx *Transaction) GasTipCap() *big.Int

GasTipCap returns the gasTipCap per gas of the transaction.

func (*Transaction) GasTipCapCmp added in v0.3.1 

func (tx *Transaction) GasTipCapCmp(other *Transaction) int

GasTipCapCmp compares the gasTipCap of two transactions.

func (*Transaction) GasTipCapIntCmp added in v0.3.1 

func (tx *Transaction) GasTipCapIntCmp(other *big.Int) int

GasTipCapIntCmp compares the gasTipCap of the transaction against the given gasTipCap.

func (*Transaction) Hash 

func (tx *Transaction) Hash() common.Hash

Hash returns the transaction hash.

func (*Transaction) MarshalBinary 

func (tx *Transaction) MarshalBinary() ([]byte, error)

MarshalBinary returns the canonical encoding of the transaction. For legacy transactions, it returns the RLP encoding. For EIP-2718 typed transactions, it returns the type and payload.

func (*Transaction) MarshalJSON 

func (t *Transaction) MarshalJSON() ([]byte, error)

MarshalJSON marshals as JSON with a hash.

func (*Transaction) Nonce 

func (tx *Transaction) Nonce() uint64

Nonce returns the sender account nonce of the transaction.

func (*Transaction) Protected 

func (tx *Transaction) Protected() bool

Protected says whether the transaction is replay-protected.

func (*Transaction) RawSignatureValues 

func (tx *Transaction) RawSignatureValues() (v, r, s *big.Int)

RawSignatureValues returns the V, R, S signature values of the transaction. The return values should not be modified by the caller.

func (*Transaction) Size 

func (tx *Transaction) Size() common.StorageSize

Size returns the true RLP encoded storage size of the transaction, either by encoding and returning it, or returning a previously cached value.

func (*Transaction) To 

func (tx *Transaction) To() *common.Address

To returns the recipient address of the transaction. For contract-creation transactions, To returns nil.

func (*Transaction) Type 

func (tx *Transaction) Type() uint8

Type returns the transaction type.

func (*Transaction) UnmarshalBinary 

func (tx *Transaction) UnmarshalBinary(b []byte) error

UnmarshalBinary decodes the canonical encoding of transactions. It supports legacy RLP transactions and EIP2718 typed transactions.

func (*Transaction) UnmarshalJSON 

func (t *Transaction) UnmarshalJSON(input []byte) error

UnmarshalJSON unmarshals from JSON.

func (*Transaction) Value 

func (tx *Transaction) Value() *big.Int

Value returns the ether amount of the transaction.

func (*Transaction) WithSignature 

func (tx *Transaction) WithSignature(signer Signer, sig []byte) (*Transaction, error)

WithSignature returns a new transaction with the given signature. This signature needs to be in the [R || S || V] format where V is 0 or 1.

type Transactions 

type Transactions []*Transaction

Transactions implements DerivableList for transactions.

func TxDifference 

func TxDifference(a, b Transactions) Transactions

TxDifference returns a new set which is the difference between a and b.

func (Transactions) EncodeIndex 

func (s Transactions) EncodeIndex(i int, w *bytes.Buffer)

EncodeIndex encodes the i'th transaction to w. Note that this does not check for errors because we assume that *Transaction will only ever contain valid txs that were either constructed by decoding or via public API in this package.

func (Transactions) Len 

func (s Transactions) Len() int

Len returns the length of s.

type TransactionsByPriceAndNonce 

type TransactionsByPriceAndNonce struct {
	// contains filtered or unexported fields
}

TransactionsByPriceAndNonce represents a set of transactions that can return transactions in a profit-maximizing sorted order, while supporting removing entire batches of transactions for non-executable accounts.

func NewTransactionsByPriceAndNonce 

func NewTransactionsByPriceAndNonce(signer Signer, txs map[common.Address]Transactions, baseFee *big.Int) *TransactionsByPriceAndNonce

NewTransactionsByPriceAndNonce creates a transaction set that can retrieve price sorted transactions in a nonce-honouring way.

Note, the input map is reowned so the caller should not interact any more with if after providing it to the constructor.

func (*TransactionsByPriceAndNonce) Peek 

func (t *TransactionsByPriceAndNonce) Peek() *Transaction

Peek returns the next transaction by price.

func (*TransactionsByPriceAndNonce) Pop 

func (t *TransactionsByPriceAndNonce) Pop()

Pop removes the best transaction, *not* replacing it with the next one from the same account. This should be used when a transaction cannot be executed and hence all subsequent ones should be discarded from the same account.

func (*TransactionsByPriceAndNonce) Shift 

func (t *TransactionsByPriceAndNonce) Shift()

Shift replaces the current best head with the next one from the same account.

type TrieHasher 

type TrieHasher interface {
	Reset()
	Update([]byte, []byte)
	Hash() common.Hash
}

TrieHasher is the tool used to calculate the hash of derivable list. This is internal, do not use.

type TxByNonce 

type TxByNonce Transactions

TxByNonce implements the sort interface to allow sorting a list of transactions by their nonces. This is usually only useful for sorting transactions from a single account, otherwise a nonce comparison doesn't make much sense.

func (TxByNonce) Len 

func (s TxByNonce) Len() int

func (TxByNonce) Less 

func (s TxByNonce) Less(i, j int) bool

func (TxByNonce) Swap 

func (s TxByNonce) Swap(i, j int)

type TxByPriceAndTime 

type TxByPriceAndTime []*TxWithMinerFee

TxByPriceAndTime implements both the sort and the heap interface, making it useful for all at once sorting as well as individually adding and removing elements.

func (TxByPriceAndTime) Len 

func (s TxByPriceAndTime) Len() int

func (TxByPriceAndTime) Less 

func (s TxByPriceAndTime) Less(i, j int) bool

func (*TxByPriceAndTime) Pop 

func (s *TxByPriceAndTime) Pop() interface{}

func (*TxByPriceAndTime) Push 

func (s *TxByPriceAndTime) Push(x interface{})

func (TxByPriceAndTime) Swap 

func (s TxByPriceAndTime) Swap(i, j int)

type TxData 

type TxData interface {
	// contains filtered or unexported methods
}

TxData is the underlying data of a transaction.

This is implemented by DynamicFeeTx, LegacyTx and AccessListTx.

type TxWithMinerFee added in v0.3.1 

type TxWithMinerFee struct {
	// contains filtered or unexported fields
}

TxWithMinerFee wraps a transaction with its gas price or effective miner gasTipCap

func NewTxWithMinerFee added in v0.3.1 

func NewTxWithMinerFee(tx *Transaction, baseFee *big.Int) (*TxWithMinerFee, error)

NewTxWithMinerFee creates a wrapped transaction, calculating the effective miner gasTipCap if a base fee is provided. Returns error in case of a negative effective miner gasTipCap.

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