common

package
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 Go to latest Published: Dec 12, 2023 License: Apache-2.0 Imports: 22 Imported by: 0

Documentation

Overview

Copyright 2021 Erigon contributors

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

Constants

View Source 
const (
	Wei   = 1
	GWei  = 1e9
	Ether = 1e18
)

Variables

View Source 
var (
	Big0   = big.NewInt(0)
	Big1   = big.NewInt(1)
	Big2   = big.NewInt(2)
	Big3   = big.NewInt(3)
	Big32  = big.NewInt(32)
	Big256 = big.NewInt(256)
	Big257 = big.NewInt(257)
)
View Source 
var ErrStopped = errors.New("stopped")
View Source 
var ErrUnwind = errors.New("unwound")

Functions

func BitLenToByteLen 

func BitLenToByteLen(bitLen int) (byteLen int)

func ByteCount 

func ByteCount(b uint64) string

func CliString2Array 

func CliString2Array(input string) []string

func Copy 

func Copy(b []byte) []byte

func CopyBytes 

func CopyBytes(b []byte) (copiedBytes []byte)

CopyBytes returns an exact copy of the provided bytes.

func EnsureEnoughSize 

func EnsureEnoughSize(in []byte, size int) []byte

func FromHex 

func FromHex(in string) []byte

func Hex2Bytes 

func Hex2Bytes(str string) []byte

Hex2Bytes returns the bytes represented by the hexadecimal string str.

func IsHexAddress 

func IsHexAddress(s string) bool

IsHexAddress verifies whether a string can represent a valid hex-encoded Ethereum address or not.

func MBToGB 

func MBToGB(b uint64) (float64, int)

func PrioritizedSend 

func PrioritizedSend[t any](ch chan t, msg t)

PrioritizedSend message to channel, but if channel is full (slow consumer) - drop half of old messages (not new)

func RemoveDuplicatesFromSorted 

func RemoveDuplicatesFromSorted[T constraints.Ordered](slice []T) []T

func ReturnHasherToPool 

func ReturnHasherToPool(h *Hasher)

func RootContext 

func RootContext() (context.Context, context.CancelFunc)

func SafeClose 

func SafeClose(ch chan struct{})

func SortedKeys 

func SortedKeys[K constraints.Ordered, V any](m map[K]V) []K

func Stopped 

func Stopped(ch <-chan struct{}) error

Types

type Address 

type Address [length.Addr]byte

Address represents the 20 byte address of an Ethereum account.

func BigToAddress 

func BigToAddress(b *big.Int) Address

BigToAddress returns Address with byte values of b. If b is larger than len(h), b will be cropped from the left.

func BytesToAddress 

func BytesToAddress(b []byte) Address

BytesToAddress returns Address with value b. If b is larger than len(h), b will be cropped from the left.

func HexToAddress 

func HexToAddress(s string) Address

HexToAddress returns Address with byte values of s. If s is larger than len(h), s will be cropped from the left.

func (Address) Bytes 

func (a Address) Bytes() []byte

Bytes gets the string representation of the underlying address.

func (Address) Format 

func (a Address) Format(s fmt.State, c rune)

Format implements fmt.Formatter. Address supports the %v, %s, %v, %x, %X and %d format verbs.

func (Address) Hash 

func (a Address) Hash() Hash

Hash converts an address to a hash by left-padding it with zeros.

func (Address) Hex 

func (a Address) Hex() string

Hex returns an EIP55-compliant hex string representation of the address.

func (Address) MarshalText 

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

MarshalText returns the hex representation of a.

func (*Address) Scan 

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

Scan implements Scanner for database/sql.

func (*Address) SetBytes 

func (a *Address) SetBytes(b []byte)

SetBytes sets the address to the value of b. If b is larger than len(a), b will be cropped from the left.

func (Address) String 

func (a Address) String() string

String implements fmt.Stringer.

func (*Address) UnmarshalJSON 

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

UnmarshalJSON parses a hash in hex syntax.

func (*Address) UnmarshalText 

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

UnmarshalText parses a hash in hex syntax.

func (Address) Value 

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

Value implements valuer for database/sql.

type Bytes4 

type Bytes4 [length.Bytes4]byte

func (Bytes4) Format 

func (b Bytes4) Format(s fmt.State, c rune)

Format implements fmt.Formatter. Hash supports the %v, %s, %v, %x, %X and %d format verbs.

func (Bytes4) Generate 

func (b Bytes4) Generate(rand *rand.Rand, size int) reflect.Value

Generate implements testing/quick.Generator.

func (Bytes4) Hex 

func (b Bytes4) Hex() string

Hex converts a hash to a hex string.

func (Bytes4) MarshalText 

func (b Bytes4) MarshalText() ([]byte, error)

MarshalText returns the hex representation of a.

func (*Bytes4) SetBytes 

func (b *Bytes4) SetBytes(i []byte)

SetBytes sets the hash to the value of i. If b is larger than len(h), b will be cropped from the left.

func (Bytes4) String 

func (b Bytes4) String() string

String implements the stringer interface and is used also by the logger when doing full logging into a file.

func (Bytes4) TerminalString 

func (b Bytes4) TerminalString() string

TerminalString implements log.TerminalStringer, formatting a string for console output during logging.

func (*Bytes4) UnmarshalJSON 

func (b *Bytes4) UnmarshalJSON(input []byte) error

UnmarshalJSON parses a hash in hex syntax.

func (*Bytes4) UnmarshalText 

func (b *Bytes4) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

func (Bytes4) Value 

func (b Bytes4) Value() (driver.Value, error)

Value implements valuer for database/sql.

type Bytes48 

type Bytes48 [length.Bytes48]byte

func (Bytes48) Format 

func (b Bytes48) Format(s fmt.State, c rune)

Format implements fmt.Formatter. Hash supports the %v, %s, %v, %x, %X and %d format verbs.

func (Bytes48) Generate 

func (b Bytes48) Generate(rand *rand.Rand, size int) reflect.Value

Generate implements testing/quick.Generator.

func (Bytes48) Hex 

func (b Bytes48) Hex() string

Hex converts a hash to a hex string.

func (Bytes48) MarshalText 

func (b Bytes48) MarshalText() ([]byte, error)

MarshalText returns the hex representation of a.

func (*Bytes48) SetBytes 

func (b *Bytes48) SetBytes(i []byte)

SetBytes sets the hash to the value of i. If b is larger than len(h), b will be cropped from the left.

func (Bytes48) String 

func (b Bytes48) String() string

String implements the stringer interface and is used also by the logger when doing full logging into a file.

func (Bytes48) TerminalString 

func (b Bytes48) TerminalString() string

TerminalString implements log.TerminalStringer, formatting a string for console output during logging.

func (*Bytes48) UnmarshalJSON 

func (b *Bytes48) UnmarshalJSON(input []byte) error

UnmarshalJSON parses a hash in hex syntax.

func (*Bytes48) UnmarshalText 

func (b *Bytes48) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

func (Bytes48) Value 

func (b Bytes48) Value() (driver.Value, error)

Value implements valuer for database/sql.

type Bytes64 

type Bytes64 [length.Bytes64]byte

func (Bytes64) Format 

func (b Bytes64) Format(s fmt.State, c rune)

Format implements fmt.Formatter. Hash supports the %v, %s, %v, %x, %X and %d format verbs.

func (Bytes64) Hex 

func (b Bytes64) Hex() string

Hex converts a hash to a hex string.

func (Bytes64) MarshalText 

func (b Bytes64) MarshalText() ([]byte, error)

MarshalText returns the hex representation of a.

func (*Bytes64) SetBytes 

func (b *Bytes64) SetBytes(i []byte)

SetBytes sets the hash to the value of i. If b is larger than len(h), b will be cropped from the left.

func (Bytes64) String 

func (b Bytes64) String() string

String implements the stringer interface and is used also by the logger when doing full logging into a file.

func (Bytes64) TerminalString 

func (b Bytes64) TerminalString() string

TerminalString implements log.TerminalStringer, formatting a string for console output during logging.

func (*Bytes64) UnmarshalJSON 

func (b *Bytes64) UnmarshalJSON(input []byte) error

UnmarshalJSON parses a hash in hex syntax.

func (*Bytes64) UnmarshalText 

func (b *Bytes64) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

func (Bytes64) Value 

func (b Bytes64) Value() (driver.Value, error)

Value implements valuer for database/sql.

type Bytes96 

type Bytes96 [length.Bytes96]byte

func (Bytes96) Format 

func (b Bytes96) Format(s fmt.State, c rune)

Format implements fmt.Formatter. Hash supports the %v, %s, %v, %x, %X and %d format verbs.

func (Bytes96) Generate 

func (b Bytes96) Generate(rand *rand.Rand, size int) reflect.Value

Generate implements testing/quick.Generator.

func (Bytes96) Hex 

func (b Bytes96) Hex() string

Hex converts a hash to a hex string.

func (Bytes96) MarshalText 

func (b Bytes96) MarshalText() ([]byte, error)

MarshalText returns the hex representation of a.

func (*Bytes96) SetBytes 

func (b *Bytes96) SetBytes(i []byte)

SetBytes sets the hash to the value of i. If b is larger than len(h), b will be cropped from the left.

func (Bytes96) String 

func (b Bytes96) String() string

String implements the stringer interface and is used also by the logger when doing full logging into a file.

func (Bytes96) TerminalString 

func (b Bytes96) TerminalString() string

TerminalString implements log.TerminalStringer, formatting a string for console output during logging.

func (*Bytes96) UnmarshalJSON 

func (b *Bytes96) UnmarshalJSON(input []byte) error

UnmarshalJSON parses a hash in hex syntax.

func (*Bytes96) UnmarshalText 

func (b *Bytes96) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

func (Bytes96) Value 

func (b Bytes96) Value() (driver.Value, error)

Value implements valuer for database/sql.

type CodeRecord 

type CodeRecord struct {
	BlockNumber uint64
	TxNumber    uint64
	CodeHash    Hash
}

type Hash 

type Hash [length.Hash]byte

Hash represents the 32 byte Keccak256 hash of arbitrary data.

func BigToHash 

func BigToHash(b *big.Int) Hash

BigToHash sets byte representation of b to hash. If b is larger than len(h), b will be cropped from the left.

func BytesToHash 

func BytesToHash(b []byte) Hash

BytesToHash sets b to hash. If b is larger than len(h), b will be cropped from the left.

func CastToHash 

func CastToHash(b []byte) Hash

CastToHash - sets b to hash If b is larger than len(h), b will be cropped from the left. panics if input is shorter than 32 bytes, see https://go.dev/doc/go1.17#language faster than BytesToHash

func HashData 

func HashData(data []byte) (Hash, error)

func HexToHash 

func HexToHash(s string) Hash

HexToHash sets byte representation of s to hash. If b is larger than len(h), b will be cropped from the left.

func (Hash) Big 

func (h Hash) Big() *big.Int

Big converts a hash to a big integer.

func (Hash) Bytes 

func (h Hash) Bytes() []byte

Bytes gets the byte representation of the underlying hash.

func (Hash) Format 

func (h Hash) Format(s fmt.State, c rune)

Format implements fmt.Formatter. Hash supports the %v, %s, %v, %x, %X and %d format verbs.

func (Hash) Generate 

func (h Hash) Generate(rand *rand.Rand, size int) reflect.Value

Generate implements testing/quick.Generator.

func (Hash) Hex 

func (h Hash) Hex() string

Hex converts a hash to a hex string.

func (Hash) MarshalText 

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

MarshalText returns the hex representation of h.

func (*Hash) Scan 

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

Scan implements Scanner for database/sql.

func (*Hash) SetBytes 

func (h *Hash) SetBytes(b []byte)

SetBytes sets the hash to the value of b. If b is larger than len(h), b will be cropped from the left.

func (Hash) String 

func (h Hash) String() string

String implements the stringer interface and is used also by the logger when doing full logging into a file.

func (Hash) TerminalString 

func (h Hash) TerminalString() string

TerminalString implements log.TerminalStringer, formatting a string for console output during logging.

func (*Hash) UnmarshalJSON 

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

UnmarshalJSON parses a hash in hex syntax.

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)

Value implements valuer for database/sql.

type Hasher 

type Hasher struct {
	Sha keccakState
}

func NewHasher 

func NewHasher() *Hasher

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