types

package
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 Go to latest Published: Nov 24, 2016 License: GPL-3.0 Imports: 20 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 chaid id for signer")
View Source 
var ErrInvalidSig = errors.New("invalid transaction v, r, s values")

Functions

func BloomLookup 

func BloomLookup(bin Bloom, topic bytesBacked) bool

func CalcUncleHash added in v0.9.34 

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

func DeriveSha 

func DeriveSha(list DerivableList) common.Hash

func LogsBloom 

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

func Number 

func Number(b1, b2 *Block) bool

func Sender added in v1.5.0 

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.

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
}

Block represents an entire block in the Ethereum blockchain.

func NewBlock added in v0.8.4 

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 added in v0.8.4 

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 added in v0.8.4 

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 added in v0.8.4 

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

DecodeRLP decodes the Ethereum

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 added in v0.9.17 

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

EncodeRLP serializes b into the Ethereum RLP block format.

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

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

func (*Block) HashNoNonce 

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

func (*Block) Header added in v0.8.4 

func (b *Block) Header() *Header

func (*Block) MixDigest added in v0.9.17 

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 added in v0.8.4 

func (b *Block) NumberU64() uint64

func (*Block) ParentHash added in v0.8.4 

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

func (*Block) ReceiptHash added in v0.9.34 

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 added in v0.8.4 

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

func (*Block) Transactions 

func (b *Block) Transactions() Transactions

func (*Block) TxHash added in v0.9.34 

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

func (*Block) UncleHash added in v0.9.34 

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

func (*Block) Uncles 

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

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 added in v0.9.34 

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 added in v0.9.34 

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 added in v0.9.34 

func EncodeNonce(i uint64) BlockNonce

EncodeNonce converts the given integer to a block nonce.

func (BlockNonce) MarshalJSON added in v1.4.0 

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

MarshalJSON implements json.Marshaler

func (BlockNonce) Uint64 added in v0.9.34 

func (n BlockNonce) Uint64() uint64

Uint64 returns the integer value of a block nonce.

func (*BlockNonce) UnmarshalJSON added in v1.5.0 

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

UnmarshalJSON implements json.Unmarshaler

type Blocks 

type Blocks []*Block

type Bloom added in v0.9.17 

type Bloom [bloomLength]byte

Bloom represents a 256 bit bloom filter.

func BytesToBloom added in v0.9.17 

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

func (*Bloom) Add added in v1.3.1 

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

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

func (Bloom) Big added in v0.9.17 

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

Big converts b to a big integer.

func (Bloom) Bytes added in v0.9.17 

func (b Bloom) Bytes() []byte

func (Bloom) MarshalJSON added in v1.4.0 

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

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

func (*Bloom) SetBytes added in v0.9.17 

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 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

func (*Bloom) UnmarshalJSON added in v1.5.0 

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

UnmarshalJSON b as a hex string with 0x prefix.

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) Equal added in v1.5.0 

func (s EIP155Signer) Equal(s2 Signer) bool

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) Equal added in v1.5.0 

func (s FrontierSigner) Equal(s2 Signer) bool

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
}

Header represents a block header in the Ethereum blockchain.

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 added in v0.8.4 

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) HashNoNonce added in v0.8.4 

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

HashNoNonce returns the hash which is used as input for the proof-of-work search.

func (*Header) MarshalJSON added in v1.5.0 

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

MarshalJSON encodes headers into the web3 RPC response block format.

func (*Header) String added in v0.8.4 

func (h *Header) String() string

func (*Header) UnmarshalJSON added in v0.9.28 

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

UnmarshalJSON decodes headers from the web3 RPC response block format.

type HomesteadSigner added in v1.4.19 

type HomesteadSigner struct{ FrontierSigner }

HomesteadTransaction implements TransactionInterface using the homestead rules.

func (HomesteadSigner) Equal added in v1.5.0 

func (s HomesteadSigner) Equal(s2 Signer) bool

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 Message added in v1.5.0 

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 added in v1.5.0 

func NewMessage(from common.Address, to *common.Address, nonce uint64, amount, gasLimit, price *big.Int, data []byte, checkNonce bool) Message

func (Message) CheckNonce added in v1.5.0 

func (m Message) CheckNonce() bool

func (Message) Data added in v1.5.0 

func (m Message) Data() []byte

func (Message) From added in v1.5.0 

func (m Message) From() common.Address

func (Message) Gas added in v1.5.0 

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

func (Message) GasPrice added in v1.5.0 

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

func (Message) Nonce added in v1.5.0 

func (m Message) Nonce() uint64

func (Message) To added in v1.5.0 

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

func (Message) Value added in v1.5.0 

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

type Receipt 

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

	// Implementation fields (don't reorder!)
	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 added in v0.9.26 

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 added in v0.9.17 

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) MarshalJSON added in v1.5.0 

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

MarshalJSON encodes receipts into the web3 RPC response block format.

func (*Receipt) String 

func (r *Receipt) String() string

String implements the Stringer interface.

func (*Receipt) UnmarshalJSON added in v1.5.0 

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

UnmarshalJSON decodes the web3 RPC receipt format.

type ReceiptForStorage added in v0.9.26 

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 added in v0.9.26 

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 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)
	// Checks for equality on the signers
	Equal(Signer) bool
}

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 added in v0.9.17 

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 added in v0.9.17 

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

[deprecated by eth/63]

type Transaction 

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

func NewContractCreation added in v0.9.34 

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

func NewTransaction added in v0.9.34 

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) AsMessage added in v1.5.0 

func (tx *Transaction) AsMessage(s Signer) (Message, error)

AsMessage returns the transaction as a core.Message.

AsMessage requires a signer to derive the sender.

XXX Rename message to something less arbitrary?

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) CheckNonce added in v1.5.0 

func (tx *Transaction) CheckNonce() bool

func (*Transaction) Cost added in v0.9.34 

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

Cost returns amount + gasprice * gaslimit.

func (*Transaction) Data 

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

func (*Transaction) DecodeRLP added in v0.9.34 

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

DecodeRLP implements rlp.Decoder

func (*Transaction) EncodeRLP added in v0.9.34 

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

DecodeRLP implements rlp.Encoder

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) MarshalJSON added in v1.5.0 

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

MarshalJSON encodes transactions into the web3 RPC response block format.

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() (*big.Int, *big.Int, *big.Int)

func (*Transaction) SigHash added in v0.9.36 

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

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

func (*Transaction) SignECDSA added in v0.8.4 

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

SignECDSA signs the transaction using the given signer and private key

XXX This only makes for a nice API: NewTx(...).SignECDSA(signer, prv). Should we keep this?

func (*Transaction) Size added in v0.9.28 

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) UnmarshalJSON added in v1.5.0 

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

UnmarshalJSON decodes the web3 RPC transaction format.

func (*Transaction) Value 

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

func (*Transaction) WithSignature added in v0.9.34 

func (tx *Transaction) WithSignature(signer Signer, 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 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 

func (t *TransactionsByPriceAndNonce) Peek() *Transaction

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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