types

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Published: Nov 15, 2016 License: GPL-3.0 Imports: 19 Imported by: 0

Documentation

Overview

Package types contains data types related to Ethereum consensus.

Index

Constants

This section is empty.

Variables

View Source
var (
	EmptyRootHash  = DeriveSha(Transactions{})
	EmptyUncleHash = CalcUncleHash(nil)
)
View Source
var Bloom9 = bloom9
View Source
var ErrInvalidChainId = errors.New("invalid chain id for signer")
View Source
var ErrInvalidSig = errors.New("invalid v, r, s values")

Functions

func BloomLookup

func BloomLookup(bin Bloom, topic bytesBacked) bool

func CalcUncleHash

func CalcUncleHash(uncles []*Header) common.Hash

func DeriveSha

func DeriveSha(list DerivableList) common.Hash

func From added in v1.4.19

func From(signer Signer, tx *Transaction, cache bool) (common.Address, error)

From 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.

From may cache the address, allowing it to be used regardless of signing method.

func LogsBloom

func LogsBloom(logs vm.Logs) *big.Int

func Number

func Number(b1, b2 *Block) bool

func SignatureValues added in v1.4.19

func SignatureValues(signer Signer, tx *Transaction) (v byte, r *big.Int, s *big.Int)

SignatureValues returns the ECDSA signature values contained in the transaction.

Types

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
}

func NewBlock

func NewBlock(header *Header, txs []*Transaction, uncles []*Header, receipts []*Receipt) *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.

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) Bloom

func (b *Block) Bloom() Bloom

func (*Block) Body added in v1.4.0

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

func (*Block) DeprecatedTd added in v1.2.2

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

DeprecatedTd is an old relic for extracting the TD of a block. It is in the code solely to facilitate upgrading the database from the old format to the new, after which it should be deleted. Do not use!

func (*Block) Difficulty

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

func (*Block) EncodeRLP

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

func (*Block) Extra

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

func (*Block) GasLimit

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

func (*Block) GasUsed

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

func (*Block) Hash

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

func (*Block) HashNoNonce

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

func (*Block) Header

func (b *Block) Header() *Header

func (*Block) MixDigest

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

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) ReceiptHash

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

func (*Block) Root

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

func (*Block) Size

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

func (*Block) String

func (b *Block) String() string

func (*Block) Time

func (b *Block) Time() *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) UncleHash

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

func (*Block) Uncles

func (b *Block) Uncles() []*Header

TODO: copies

func (*Block) ValidateFields

func (b *Block) ValidateFields() error

func (*Block) WithBody added in v1.2.2

func (b *Block) WithBody(transactions []*Transaction, uncles []*Header) *Block

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

func (*Block) WithMiningResult

func (b *Block) WithMiningResult(nonce uint64, mixDigest common.Hash) *Block

WithMiningResult returns a new block with the data from b where nonce and mix digest are set to the provided values.

type BlockBy

type BlockBy func(b1, b2 *Block) bool

func (BlockBy) Sort

func (self BlockBy) Sort(blocks Blocks)

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

func (BlockNonce) MarshalJSON added in v1.4.0

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

func (BlockNonce) Uint64

func (n BlockNonce) Uint64() uint64

type Blocks

type Blocks []*Block

type Bloom

type Bloom [bloomLength]byte

func BytesToBloom

func BytesToBloom(b []byte) Bloom

func CreateBloom

func CreateBloom(receipts Receipts) Bloom

func (*Bloom) Add added in v1.3.1

func (b *Bloom) Add(d *big.Int)

func (Bloom) Big

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

func (Bloom) Bytes

func (b Bloom) Bytes() []byte

func (Bloom) MarshalJSON added in v1.4.0

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

func (*Bloom) SetBytes

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

func (Bloom) Test added in v1.3.1

func (b Bloom) Test(test *big.Int) bool

func (Bloom) TestBytes added in v1.3.1

func (b Bloom) TestBytes(test []byte) bool

type Body added in v1.2.2

type Body struct {
	Transactions []*Transaction
	Uncles       []*Header
}

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

type DerivableList

type DerivableList interface {
	Len() int
	GetRlp(i int) []byte
}

type EIP155Signer added in v1.4.19

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

EIP155Transaction implements TransactionInterface using the EIP155 rules

func NewEIP155Signer added in v1.4.19

func NewEIP155Signer(chainId *big.Int) EIP155Signer

func (EIP155Signer) Hash added in v1.4.19

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) PublicKey added in v1.4.19

func (s EIP155Signer) PublicKey(tx *Transaction) ([]byte, error)

func (EIP155Signer) SigECDSA added in v1.4.19

func (s EIP155Signer) SigECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error)

func (EIP155Signer) SignECDSA added in v1.4.19

func (s EIP155Signer) SignECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error)

func (EIP155Signer) WithSignature added in v1.4.19

func (s EIP155Signer) WithSignature(tx *Transaction, sig []byte) (*Transaction, error)

WithSignature returns a new transaction with the given signature. This signature needs to be formatted as described in the yellow paper (v+27).

type FrontierSigner added in v1.4.19

type FrontierSigner struct{}

func (FrontierSigner) Hash added in v1.4.19

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

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

func (FrontierSigner) PublicKey added in v1.4.19

func (fs FrontierSigner) PublicKey(tx *Transaction) ([]byte, error)

func (FrontierSigner) SignECDSA added in v1.4.19

func (fs FrontierSigner) SignECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error)

func (FrontierSigner) WithSignature added in v1.4.19

func (fs FrontierSigner) WithSignature(tx *Transaction, sig []byte) (*Transaction, error)

WithSignature returns a new transaction with the given snature. This snature needs to be formatted as described in the yellow paper (v+27).

type Header struct {
	ParentHash  common.Hash    // Hash to the previous block
	UncleHash   common.Hash    // Uncles of this block
	Coinbase    common.Address // The coin base address
	Root        common.Hash    // Block Trie state
	TxHash      common.Hash    // Tx sha
	ReceiptHash common.Hash    // Receipt sha
	Bloom       Bloom          // Bloom
	Difficulty  *big.Int       // Difficulty for the current block
	Number      *big.Int       // The block number
	GasLimit    *big.Int       // Gas limit
	GasUsed     *big.Int       // Gas used
	Time        *big.Int       // Creation time
	Extra       []byte         // Extra data
	MixDigest   common.Hash    // for quick difficulty verification
	Nonce       BlockNonce
}

func CopyHeader added in v1.3.1

func CopyHeader(h *Header) *Header

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

func (*Header) Hash

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

func (*Header) HashNoNonce

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

func (*Header) String

func (h *Header) String() string

func (*Header) UnmarshalJSON

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

type HomesteadSigner added in v1.4.19

type HomesteadSigner struct{}

HomesteadTransaction implements TransactionInterface using the homestead rules.

func (HomesteadSigner) Hash added in v1.4.19

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

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

func (HomesteadSigner) PublicKey added in v1.4.19

func (hs HomesteadSigner) PublicKey(tx *Transaction) ([]byte, error)

func (HomesteadSigner) SignECDSA added in v1.4.19

func (hs HomesteadSigner) SignECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error)

func (HomesteadSigner) WithSignature added in v1.4.19

func (hs HomesteadSigner) WithSignature(tx *Transaction, sig []byte) (*Transaction, error)

WithSignature returns a new transaction with the given snature. This snature needs to be formatted as described in the yellow paper (v+27).

type Receipt

type Receipt struct {
	// Consensus fields
	PostState         []byte
	CumulativeGasUsed *big.Int
	Bloom             Bloom
	Logs              vm.Logs

	// Implementation fields
	TxHash          common.Hash
	ContractAddress common.Address
	GasUsed         *big.Int
}

Receipt represents the results of a transaction.

func NewReceipt

func NewReceipt(root []byte, cumulativeGasUsed *big.Int) *Receipt

NewReceipt creates a barebone transaction receipt, copying the init fields.

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.

func (*Receipt) RlpEncode

func (r *Receipt) RlpEncode() []byte

RlpEncode implements common.RlpEncode required for SHA3 derivation.

func (*Receipt) String

func (r *Receipt) String() string

String implements the Stringer interface.

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 added in v1.3.1

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 is a wrapper around a Receipt array to implement types.DerivableList.

func (Receipts) GetRlp

func (r Receipts) GetRlp(i int) []byte

GetRlp returns the RLP encoding of one receipt from the list.

func (Receipts) Len

func (r Receipts) Len() int

Len returns the number of receipts in this list.

type Signer added in v1.4.19

type Signer interface {
	// Hash returns the rlp encoded hash for signatures
	Hash(tx *Transaction) common.Hash
	// PubilcKey returns the public key derived from the signature
	PublicKey(tx *Transaction) ([]byte, error)
	// SignECDSA signs the transaction with the given and returns a copy of the tx
	SignECDSA(tx *Transaction, prv *ecdsa.PrivateKey) (*Transaction, error)
	// WithSignature returns a copy of the transaction with the given signature
	WithSignature(tx *Transaction, sig []byte) (*Transaction, error)
}

func MakeSigner added in v1.4.19

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

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

type StorageBlock

type StorageBlock Block

[deprecated by eth/63] StorageBlock defines the RLP encoding of a Block stored in the state database. The StorageBlock encoding contains fields that would otherwise need to be recomputed.

func (*StorageBlock) DecodeRLP

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

[deprecated by eth/63]

type Transaction

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

func NewContractCreation

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

func NewTransaction

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

func SignECDSA added in v1.4.19

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

SignECDSA signs the transaction using the given signer and private key

func (*Transaction) ChainId added in v1.4.19

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

ChainId returns which chain id this transaction was signed for (if at all)

func (*Transaction) Cost

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

Cost returns amount + gasprice * gaslimit.

func (*Transaction) Data

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

func (*Transaction) DecodeRLP

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

func (*Transaction) EncodeRLP

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

func (*Transaction) From

func (tx *Transaction) From() (common.Address, error)

From 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.

From Uses the homestead consensus rules to determine whether the signature is valid.

From caches the address, allowing it to be used regardless of Frontier / Homestead. however, the first time called it runs signature validations, so we need two versions. This makes it easier to ensure backwards compatibility of things like package rpc where eth_getblockbynumber uses tx.From() and needs to work for both txs before and after the first homestead block. Signatures valid in homestead are a subset of valid ones in Frontier)

func (*Transaction) FromFrontier added in v1.3.4

func (tx *Transaction) FromFrontier() (common.Address, error)

FromFrontier 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.

FromFrantier uses the frontier consensus rules to determine whether the signature is valid.

FromFrontier caches the address, allowing it to be used regardless of Frontier / Homestead. however, the first time called it runs signature validations, so we need two versions. This makes it easier to ensure backwards compatibility of things like package rpc where eth_getblockbynumber uses tx.From() and needs to work for both txs before and after the first homestead block. Signatures valid in homestead are a subset of valid ones in Frontier)

func (*Transaction) Gas

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

func (*Transaction) GasPrice

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

func (*Transaction) Hash

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

Hash hashes the RLP encoding of tx. It uniquely identifies the transaction.

func (*Transaction) Nonce

func (tx *Transaction) Nonce() uint64

func (*Transaction) Protected added in v1.4.19

func (tx *Transaction) Protected() bool

Protected returns whether the transaction is pretected from replay protection

func (*Transaction) RawSignatureValues added in v1.4.19

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

func (*Transaction) SetSigner added in v1.4.19

func (tx *Transaction) SetSigner(s Signer)

func (*Transaction) SigHash

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

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

func (*Transaction) SignECDSA

func (tx *Transaction) SignECDSA(prv *ecdsa.PrivateKey) (*Transaction, error)

func (*Transaction) SignatureValues

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

func (*Transaction) Size

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

func (*Transaction) String

func (tx *Transaction) String() string

func (*Transaction) To

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

func (*Transaction) Value

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

func (*Transaction) WithSignature

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

type Transactions

type Transactions []*Transaction

Transaction slice type for basic sorting.

func TxDifference added in v1.2.2

func TxDifference(a, b Transactions) (keep Transactions)

Returns a new set t which is the difference between a to b

func (Transactions) GetRlp

func (s Transactions) GetRlp(i int) []byte

GetRlp implements Rlpable and returns the i'th element of s in rlp

func (Transactions) Len

func (s Transactions) Len() int

Len returns the length of s

func (Transactions) Swap

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

Swap swaps the i'th and the j'th element in s

type TransactionsByPriceAndNonce added in v1.4.17

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

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

func NewTransactionsByPriceAndNonce added in v1.4.17

func NewTransactionsByPriceAndNonce(txs map[common.Address]Transactions) *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 providng it to the constructor.

func (*TransactionsByPriceAndNonce) Peek added in v1.4.17

Peek returns the next transaction by price.

func (*TransactionsByPriceAndNonce) Pop added in v1.4.17

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 added in v1.4.17

func (t *TransactionsByPriceAndNonce) Shift()

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

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 added in v1.3.4

func (s TxByNonce) Len() int

func (TxByNonce) Less

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

func (TxByNonce) Swap added in v1.3.4

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

type TxByPrice added in v1.0.1

type TxByPrice Transactions

TxByPrice 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 (TxByPrice) Len added in v1.3.4

func (s TxByPrice) Len() int

func (TxByPrice) Less added in v1.0.1

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

func (*TxByPrice) Pop added in v1.3.4

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

func (*TxByPrice) Push added in v1.3.4

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

func (TxByPrice) Swap added in v1.3.4

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

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