Script_bytes.Conversion_BEval bytes_of_nat_be : Mavryk_protocol_environment_alpha.Z.t -> bytes optionval nat_of_bytes_be : bytes -> Mavryk_protocol_environment_alpha.Z.tval bytes_of_int_be : Mavryk_protocol_environment_alpha.Z.t -> bytesval int_of_bytes_be : bytes -> Mavryk_protocol_environment_alpha.Z.t