Base58Decode decodes a modified base58 string to a byte slice and checks checksum.

Base58Encode encodes a byte slice to a modified base58 string.

生成特殊地址仍然使用此方法.

Keccak256 calculates and returns the Keccak256 hash of the input data.

Keccak256Hash calculates and returns the Keccak256 hash of the input data, converting it to an internal Hash data structure.

If seed is nil, generate a random one.

NewKeccakState creates a new KeccakState.

Checks hash matches expected version.

Checks hash matches expected version.

Returns first 32 bytes of a SHA512 of the input bytes.

Returns first 16 bytes of a SHA512 of the input bytes.

ALPHABET = "rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz".

Account define the account format.