Package hexutil implements hex encoding with 0x prefix.

Package math provides integer math utilities.

Bytes2Hex returns the hexadecimal encoding of d.

BytesToHash sets b to hash.

Join the slice array of the parameter to return a slice.

CopyBytes returns an exact copy of the provided bytes.

FromHex returns the bytes represented by the hexadecimal string s.

hasHexPrefix validates str begins with '0x' or '0X'.

Hex2Bytes returns the bytes represented by the hexadecimal string str.

Hex2BytesFixed returns bytes of a specified fixed length flen.

IsHex validates whether each byte is valid hexadecimal string.

isHexCharacter returns bool of c being a valid hexadecimal.

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

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

Divide BS into slices array according to size length, and each slice length is size.