syntax = "proto3";

package calculator;
// calculator 合约交易行为总类型
message CalculatorAction {
    oneof value {
        Add      add = 1;
        Subtract sub = 2;
        Multiply mul = 3;
        Divide   div = 4;
    }
    int32 ty = 5;
}

message Add {
    int32 summand = 1; //被加数
    int32 addend  = 2; //加数
}
message AddLog {
    int32 sum = 1; //和
}

message Subtract {
    int32 minuend    = 1; //被减数
    int32 subtrahend = 2; //减数
}
message SubLog {
    int32 remainder = 1; //差
}

message Multiply {
    int32 faciend    = 1; //被乘数
    int32 multiplier = 2; //乘数
}
message MultiplyLog {
    int32 product = 1; //积
}

message Divide {
    int32 dividend = 1; //被除数
    int32 divisor  = 2; //除数
}
message DivideLog {
    int32 quotient = 1; //商
    int32 remain   = 2; //余数
}

message ReqQueryCalcCount {
    string action = 1;
}
message ReplyQueryCalcCount {
    int32 count = 1;
}

service calculator {
    rpc QueryCalcCount(ReqQueryCalcCount) returns (ReplyQueryCalcCount) {}
}