HexToBytes converts a hex string to a byte array.

HexToDomain converts a hex string to a spec domain.

HexToDomainType converts a hex string to a spec domain type.

HexToPubKey converts a hex string to a spec public key.

HexToRoot converts a hex string to a spec root.

HexToSignature converts a hex string to a spec signature.

HexToVersion converts a hex string to a spec version.