Package bitutil implements fast bitwise operations.

Copyright 2015 The go-ethereum Authors This file is part of the go-ethereum library.

Package hexutil implements hex encoding with 0x prefix.

Package math provides integer math utilities.

AbsolutePath returns datadir + filename, or filename if it is absolute.

BigToAddress returns Address with byte values of b.

BigToBytes returns the bytes of a big integer with the size specified by **base**.

BigToHash sets byte representation of b to hash.

Bytes2Hex returns the hexadecimal encoding of d.

BytesToAddress returns Address with value b.

BytesToHash sets b to hash.

BytesToInt32 converts bytes of hex string to int32.

CopyBytes returns an exact copy of the provided bytes.

DecodeUint32 decode the bytes to the uint32.

DecodeUint32 decode the bytes to the uint32.

FileExist checks if a file exists at filePath.

FromHex returns the bytes represented by the hexadecimal string s.

GetGoPath gets the GOPATH in this environment.

Hex2Bytes returns the bytes represented by the hexadecimal string str.

Hex2BytesFixed returns bytes of a specified fixed length flen.

HexToAddress returns Address with byte values of s.

HexToHash sets byte representation of s to hash.

IntToBytes2 convert int to [2]byte NOTE: i should less than 2^15.

IntToBytes4 convert int to [4]byte NOTE: i should less than 2^31.

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

Padding char char at the begin of the string.

LeftPadBytes zero-pads slice to the left up to length l.

Padding 0 char at the begin of the string.

Padding 0 char at the begin of the string.

LoadJSON reads the given file and unmarshals its content.

MakeName creates a node name that follows the ethereum convention for such names.

NewMixedcaseAddress constructor (mainly for testing).

NewMixedcaseAddressFromString is mainly meant for unit-testing.

Return a random choice with specific ratio, true of false.

Return a random int in the specific range.

Random utils */ Generate random string with specific length.

RightPadBytes zero-pads slice to the right up to length l.

Padding 0 char at the end of the string.

Padding 0 char at the end of the string.

Strip returns a slice of the byte s with all leading and trailing Unicode code points contained in cutset removed.

ToHex returns the hex representation of b, prefixed with '0x'.

Lengths of hashes and addresses in bytes.

Lengths of hashes and addresses in bytes.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

Common big integers often used.

MixedcaseAddress retains the original string, which may or may not be correctly checksummed.

Address represents the 20 byte address of an Ethereum account.

Hash represents the 32 byte Keccak256 hash of arbitrary data.

PrettyDuration is a pretty printed version of a time.Duration value that cuts the unnecessary precision off from the formatted textual representation.

StorageSize is a wrapper around a float value that supports user friendly formatting.

UnprefixedAddress allows marshaling an Address without 0x prefix.

UnprefixedHash allows marshaling a Hash without 0x prefix.