types

package
v0.0.0-...-e021808 Latest Latest
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 Go to latest Published: Jul 13, 2018 License: LGPL-2.1 Imports: 16 Imported by: 4

Documentation

Overview

Package types contains data types related to Ethereum consensus.

Index

Constants

This section is empty.

Variables

View Source 
var Bloom9 = bloom9
View Source 
var (
	EmptyRootHash = DeriveSha(Transactions{})
)
View Source 
var ErrInvalidSig = errors.New("invalid transaction v, r, s values")

Functions

func BloomLookup 

func BloomLookup(bin Bloom, topic bytesBacked) bool

func DeriveSha 

func DeriveSha(list DerivableList) common.Hash

func LogsBloom 

func LogsBloom(logs []*Log) *big.Int

Types

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) MarshalJSON 

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

MarshalJSON implements json.Marshaler

func (BlockNonce) Uint64 

func (n BlockNonce) Uint64() uint64

Uint64 returns the integer value of a block nonce.

func (*BlockNonce) UnmarshalJSON 

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

UnmarshalJSON implements json.Unmarshaler

type Bloom 

type Bloom [bloomLength]byte

Bloom represents a 256 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

func (*Bloom) Add 

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

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.

func (Bloom) Bytes 

func (b Bloom) Bytes() []byte

func (Bloom) MarshalJSON 

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

MarshalJSON 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(test *big.Int) bool

func (Bloom) TestBytes 

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

func (*Bloom) UnmarshalJSON 

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

UnmarshalJSON b as a hex string with 0x prefix.

type DerivableList 

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

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

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

func (*Header) MarshalJSON 

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

MarshalJSON encodes headers into the web3 RPC response block format.

func (*Header) UnmarshalJSON 

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

UnmarshalJSON decodes headers from the web3 RPC response block format.

type Log 

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

	// Derived fields. These fields are filled in by the node
	// but not secured by consensus.
	BlockNumber uint64      // block in which the transaction was included
	TxHash      common.Hash // hash of the transaction
	TxIndex     uint        // index of the transaction in the block
	BlockHash   common.Hash // hash of the block in which the transaction was included
	Index       uint        // index of the log in the receipt

	// 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
}

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 implements json.Marshaler.

func (*Log) String 

func (l *Log) String() string

func (*Log) UnmarshalJSON 

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

UnmarshalJSON implements json.Umarshaler.

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.

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, gasLimit, price *big.Int, data []byte, checkNonce bool) Message

func (Message) CheckNonce 

func (m Message) CheckNonce() bool

func (Message) Data 

func (m Message) Data() []byte

func (Message) From 

func (m Message) From() common.Address

func (Message) Gas 

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

func (Message) GasPrice 

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

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 Receipt 

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

	// Implementation fields (don't reorder!)
	TxHash          common.Hash
	ContractAddress common.Address
	GasUsed         *big.Int
	Height          *big.Int
}

Receipt represents the results of a transaction.

func NewReceipt 

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

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 

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

UnmarshalJSON decodes the web3 RPC receipt format.

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 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 Transaction 

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

func NewContractCreation 

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

func NewTransaction 

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

func (*Transaction) AsMessage 

func (tx *Transaction) AsMessage() (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) CheckNonce 

func (tx *Transaction) CheckNonce() bool

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

DecodeRLP implements rlp.Encoder

func (*Transaction) Gas 

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

func (*Transaction) GasPrice 

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

func (*Transaction) Nonce 

func (tx *Transaction) Nonce() uint64

func (*Transaction) To 

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

To returns the recipient address of the transaction. It returns nil if the transaction is a contract creation.

func (*Transaction) Value 

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

type Transactions 

type Transactions []*Transaction

Transaction slice type for basic sorting.

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 

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 

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 

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 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 TxByPrice 

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 

func (s TxByPrice) Len() int

func (TxByPrice) Less 

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

func (*TxByPrice) Pop 

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

func (*TxByPrice) Push 

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

func (TxByPrice) Swap 

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

Source Files

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