types

package
v0.0.0-...-8f649d9 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Aug 14, 2020 License: LGPL-3.0 Imports: 16 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	HashLength    = 32
	AddressLength = 20
)
View Source 
const BloomByteLength = 256

Variables

View Source 
var (
	Big1   = big.NewInt(1)
	Big2   = big.NewInt(2)
	Big3   = big.NewInt(3)
	Big0   = big.NewInt(0)
	Big32  = big.NewInt(32)
	Big256 = big.NewInt(256)
	Big257 = big.NewInt(257)
)
View Source 
var (
	// IstanbulDigest represents a hash of "Istanbul practical byzantine fault tolerance"
	// to identify whether the block is from Istanbul consensus engine
	IstanbulDigest = StringToHash("0x63746963616c2062797a616e74696e65206661756c7420746f6c6572616e6365")

	IstanbulExtraVanity = 32 // Fixed number of extra-data bytes reserved for validator vanity
	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")
)
View Source 
var (
	// EmptyRootHash is the root when there are no transactions
	EmptyRootHash = StringToHash("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
	// EmptyUncleHash is the root when there are no uncles
	EmptyUncleHash = StringToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347")
)

Functions

func DeriveChainId 

func DeriveChainId(v *big.Int) *big.Int

deriveChainId derives the chain id from the given v parameter

func EmptyHash 

func EmptyHash(hash Hash) bool

func Hex2Bytes 

func Hex2Bytes(str string) []byte

Hex2Bytes returns the bytes represented by the hexadecimal string str.

func ParseBytes 

func ParseBytes(val *string) ([]byte, error)

func ParseInt64orHex 

func ParseInt64orHex(val *string) (int64, error)

func ParseUint256orHex 

func ParseUint256orHex(val *string) (*big.Int, error)

func ParseUint64orHex 

func ParseUint64orHex(val *string) (uint64, error)

Types

type Address 

type Address [AddressLength]byte

func BytesToAddress 

func BytesToAddress(b []byte) Address

func StringToAddress 

func StringToAddress(str string) Address

func (Address) Bytes 

func (a Address) Bytes() []byte

func (Address) EIP55 

func (a Address) EIP55() string

func (Address) MarshalText 

func (a Address) MarshalText() ([]byte, error)

func (*Address) Scan 

func (a *Address) Scan(src interface{}) error

func (Address) String 

func (a Address) String() string

func (*Address) UnmarshalText 

func (a *Address) UnmarshalText(input []byte) error

UnmarshalText parses an address in hex syntax.

func (Address) Value 

func (a Address) Value() (driver.Value, error)

type Big 

type Big big.Int

Big marshals/unmarshals as a JSON string with 0x prefix. The zero value marshals as "0x0".

Negative integers are not supported at this time. Attempting to marshal them will return an error. Values larger than 256bits are rejected by Unmarshal but will be marshaled without error.

func (Big) ImplementsGraphQLType 

func (b Big) ImplementsGraphQLType(name string) bool

ImplementsGraphQLType returns true if Big implements the provided GraphQL type.

func (Big) MarshalText 

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

MarshalText implements encoding.TextMarshaler

func (*Big) String 

func (b *Big) String() string

String returns the hex encoding of b.

func (*Big) ToInt 

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

ToInt converts b to a big.Int.

func (*Big) UnmarshalGraphQL 

func (b *Big) UnmarshalGraphQL(input interface{}) error

UnmarshalGraphQL unmarshals the provided GraphQL query data.

func (*Big) UnmarshalJSON 

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

UnmarshalJSON implements json.Unmarshaler.

func (*Big) UnmarshalText 

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

UnmarshalText implements encoding.TextUnmarshaler

type Block 

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

func (*Block) Body 

func (b *Block) Body() *Body

func (*Block) Hash 

func (b *Block) Hash() Hash

func (*Block) MarshalWith 

func (b *Block) MarshalWith(ar *fastrlp.Arena) *fastrlp.Value

func (*Block) Number 

func (b *Block) Number() uint64

func (*Block) ParentHash 

func (b *Block) ParentHash() Hash

func (*Block) String 

func (b *Block) String() string

func (*Block) UnmarshalRLP 

func (b *Block) UnmarshalRLP(p *fastrlp.Parser, v *fastrlp.Value) error

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 Bloom 

type Bloom [BloomByteLength]byte

func CreateBloom 

func CreateBloom(receipts []*Receipt) (b Bloom)

CreateBloom creates a new bloom filter from a set of receipts

func (*Bloom) Scan 

func (b *Bloom) Scan(src interface{}) error

func (Bloom) String 

func (b Bloom) String() string

func (*Bloom) UnmarshalText 

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

func (Bloom) Value 

func (b Bloom) Value() (driver.Value, error)

type Body 

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

func (*Body) MarshalWith 

func (b *Body) MarshalWith(ar *fastrlp.Arena) *fastrlp.Value

func (*Body) UnmarshalRLP 

func (b *Body) UnmarshalRLP(p *fastrlp.Parser, v *fastrlp.Value) error

type Hash 

type Hash [HashLength]byte

func BytesToHash 

func BytesToHash(b []byte) Hash

func CalcUncleHash 

func CalcUncleHash(uncles []*Header) Hash

func StringToHash 

func StringToHash(str string) Hash

func (Hash) Bytes 

func (h Hash) Bytes() []byte

func (Hash) MarshalText 

func (h Hash) MarshalText() ([]byte, error)

func (*Hash) Scan 

func (h *Hash) Scan(src interface{}) error

func (Hash) String 

func (h Hash) String() string

func (*Hash) UnmarshalText 

func (h *Hash) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

func (Hash) Value 

func (h Hash) Value() (driver.Value, error)
type Header struct {
	ParentHash   Hash     `json:"parentHash" db:"parent_hash"`
	Sha3Uncles   Hash     `json:"sha3Uncles" db:"sha3_uncles"`
	Miner        Address  `json:"miner" db:"miner"`
	StateRoot    Hash     `json:"stateRoot" db:"state_root"`
	TxRoot       Hash     `json:"transactionsRoot" db:"transactions_root"`
	ReceiptsRoot Hash     `json:"receiptsRoot" db:"receipts_root"`
	LogsBloom    Bloom    `json:"logsBloom" db:"logs_bloom"`
	Difficulty   uint64   `json:"difficulty" db:"difficulty"`
	Number       uint64   `json:"number" db:"number"`
	GasLimit     uint64   `json:"gasLimit" db:"gas_limit"`
	GasUsed      uint64   `json:"gasUsed" db:"gas_used"`
	Timestamp    uint64   `json:"timestamp" db:"timestamp"`
	ExtraData    HexBytes `json:"extraData" db:"extradata"`
	MixHash      Hash     `json:"mixHash" db:"mixhash"`
	Nonce        Nonce    `json:"nonce" db:"nonce"`
	Hash         Hash
}

Header represents a block header in the Ethereum blockchain.

func (*Header) CalculateHash 

func (h *Header) CalculateHash() (hash Hash)

func (*Header) ComputeHash 

func (h *Header) ComputeHash() *Header

ComputeHash computes the hash of the header

func (*Header) Copy 

func (h *Header) Copy() *Header

func (*Header) HasBody 

func (h *Header) HasBody() bool

func (*Header) HasReceipts 

func (h *Header) HasReceipts() bool

func (*Header) MarshalWith 

func (h *Header) MarshalWith(arena *fastrlp.Arena) *fastrlp.Value

MarshalWith marshals the header to RLP with a specific fastrlp.Arena

func (*Header) SetNonce 

func (h *Header) SetNonce(i uint64)

func (*Header) UnmarshalRLP 

func (h *Header) UnmarshalRLP(p *fastrlp.Parser, v *fastrlp.Value) error

UnmarshalRLP unmarshals a Header in RLP format

type HeaderWithoutHash 

type HeaderWithoutHash struct {
	ParentHash   Hash     `json:"parentHash" db:"parent_hash"`
	Sha3Uncles   Hash     `json:"sha3Uncles" db:"sha3_uncles"`
	Miner        Address  `json:"miner" db:"miner"`
	StateRoot    Hash     `json:"stateRoot" db:"state_root"`
	TxRoot       Hash     `json:"transactionsRoot" db:"transactions_root"`
	ReceiptsRoot Hash     `json:"receiptsRoot" db:"receipts_root"`
	LogsBloom    Bloom    `json:"logsBloom" db:"logs_bloom"`
	Difficulty   uint64   `json:"difficulty" db:"difficulty"`
	Number       uint64   `json:"number" db:"number"`
	GasLimit     uint64   `json:"gasLimit" db:"gas_limit"`
	GasUsed      uint64   `json:"gasUsed" db:"gas_used"`
	Timestamp    uint64   `json:"timestamp" db:"timestamp"`
	ExtraData    HexBytes `json:"extraData" db:"extradata"`
	MixHash      Hash     `json:"mixHash" db:"mixhash"`
	Nonce        Nonce    `json:"nonce" db:"nonce"`
}

func IstanbulFilteredHeader 

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

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

type HexBytes 

type HexBytes []byte

func (HexBytes) Bytes 

func (h HexBytes) Bytes() []byte

func (HexBytes) MarshalText 

func (h HexBytes) MarshalText() ([]byte, error)

func (*HexBytes) Scan 

func (h *HexBytes) Scan(src interface{}) error

func (HexBytes) String 

func (h HexBytes) String() string

func (HexBytes) Value 

func (h HexBytes) Value() (driver.Value, error)

type IstanbulExtra 

type IstanbulExtra struct {
	Validators    []Address
	Seal          []byte
	CommittedSeal [][]byte
}

func ExtractIstanbulExtra 

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 

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

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

func (*IstanbulExtra) EncodeRLP 

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

EncodeRLP serializes ist into the Ethereum RLP format.

type Log 

type Log struct {
	Address     Address  `json:"address"`
	Topics      []Hash   `json:"topics"`
	Data        HexBytes `json:"data"`
	BlockNumber uint64   `json:"blockNumber"`
	TxHash      Hash     `json:"transactionHash"`
	TxIndex     uint     `json:"transactionIndex"`
	BlockHash   Hash     `json:"blockHash"`
	LogIndex    uint     `json:"logIndex"`
	Removed     bool     `json:"removed"`
}

type Nonce 

type Nonce [8]byte

func (*Nonce) Scan 

func (n *Nonce) Scan(src interface{}) error

func (Nonce) String 

func (n Nonce) String() string

func (Nonce) Value 

func (n Nonce) Value() (driver.Value, error)

type Receipt 

type Receipt struct {
	Root              Hash           `json:"root" db:"root"`
	CumulativeGasUsed uint64         `json:"cumulativeGasUsed" db:"cumulative_gas_used"`
	LogsBloom         Bloom          `json:"logsBloom" db:"bloom"`
	Logs              []*Log         `json:"logs"`
	Status            *ReceiptStatus `json:"status"`
	TxHash            Hash           `json:"transactionHash" db:"txhash"`
	ContractAddress   Address        `json:"contractAddress" db:"contract_address"`
	GasUsed           uint64         `json:"gasUsed" db:"gas_used"`
}

func (*Receipt) MarshalLogsWith 

func (r *Receipt) MarshalLogsWith(a *fastrlp.Arena) *fastrlp.Value

MarshalLogsWith marshals the logs of the receipt to RLP with a specific fastrlp.Arena

func (*Receipt) MarshalWith 

func (r *Receipt) MarshalWith(a *fastrlp.Arena) *fastrlp.Value

MarshalWith marshals a receipt with a specific fastrlp.Arena

func (*Receipt) SetStatus 

func (r *Receipt) SetStatus(s ReceiptStatus)

func (*Receipt) UnmarshalRLP 

func (r *Receipt) UnmarshalRLP(v *fastrlp.Value) error

UnmarshalRLP unmarshals a Receipt in RLP format

type ReceiptStatus 

type ReceiptStatus uint64
const (
	ReceiptFailed ReceiptStatus = iota
	ReceiptSuccess
)

type Transaction 

type Transaction struct {
	Nonce    uint64   `json:"nonce" db:"nonce"`
	GasPrice HexBytes `json:"gasPrice" db:"gas_price"`
	Gas      uint64   `json:"gas" db:"gas"`
	To       *Address `json:"to" db:"dst"`
	Value    HexBytes `json:"value" db:"value"`
	Input    HexBytes `json:"input" db:"input"`

	V byte     `json:"v" db:"v"`
	R HexBytes `json:"r" db:"r"`
	S HexBytes `json:"s" db:"s"`

	Hash Hash
	From Address
}

func (*Transaction) ComputeHash 

func (t *Transaction) ComputeHash() *Transaction

ComputeHash computes the hash of the transaction

func (*Transaction) Copy 

func (t *Transaction) Copy() *Transaction

func (*Transaction) GetGasPrice 

func (t *Transaction) GetGasPrice() []byte

func (*Transaction) IsContractCreation 

func (t *Transaction) IsContractCreation() bool

func (*Transaction) MarshalWith 

func (t *Transaction) MarshalWith(arena *fastrlp.Arena) *fastrlp.Value

MarshalWith marshals the transaction to RLP with a specific fastrlp.Arena

func (*Transaction) UnmarshalRLP 

func (t *Transaction) UnmarshalRLP(p *fastrlp.Parser, v *fastrlp.Value) error

UnmarshalRLP unmarshals a Transaction in RLP format

type Uint64 

type Uint64 uint64

Uint64 marshals/unmarshals as a JSON string with 0x prefix. The zero value marshals as "0x0".

func (Uint64) MarshalText 

func (b Uint64) MarshalText() ([]byte, error)

MarshalText implements encoding.TextMarshaler.

func (Uint64) String 

func (b Uint64) String() string

String returns the hex encoding of b.

func (*Uint64) UnmarshalJSON 

func (b *Uint64) UnmarshalJSON(input []byte) error

UnmarshalJSON implements json.Unmarshaler.

func (*Uint64) UnmarshalText 

func (b *Uint64) UnmarshalText(input []byte) error

UnmarshalText implements encoding.TextUnmarshaler

Source Files

View all Source files

Directories

Path Synopsis

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.