syntax = "proto3";

import "api/pub.proto";

option go_package = "./pb";

service TradingService {
    rpc SubIndicator(IndicatorSubReq) returns (stream Indicator); // 订阅指标
}

message IndicatorSubReq {
    string topic  = 1;
    string instId = 2;
    int32 window  = 3;
}

message Indicator {
    ExchangeType exhcange = 1;
    string instId = 2;
    string indicator = 3;
    string sub = 4; // 指标子标题, MA5, MA10, MA20
    int64 Ts      = 5;
    bytes payload = 8;
}