syntax = "proto3";
package kairos.v1;

import "kairos/v1/common.proto";

option go_package = "github.com/kairos/proto/kairos/v1";

// Trade represents a single executed trade
message Trade {
  string trade_id = 1;
  uint32 outcome_index = 2;
  string outcome = 3;
  // Price scaled by 10000 (e.g., 6500 = 0.65)
  int32 price = 4;
  // Size scaled for precision
  int64 size_scaled = 5;
  TradeSide side = 6;
  // Taker side as string for provider compatibility
  string taker_side = 7;
  // Timestamp in seconds since Unix epoch
  int64 timestamp_sec = 8;
  // Outcome 0 price at trade time (scaled by 10000)
  int32 outcome_0_price = 9;
  // Outcome 1 price at trade time (scaled by 10000)
  int32 outcome_1_price = 10;
  // Token ID for this specific trade
  string token_id = 11;
  // All token IDs for the contract
  repeated string token_ids = 12;
  // All outcome names for the contract
  repeated string outcome_names = 13;
  // On-chain trade ordering key: (block_number, log_index)
  uint64 block_number = 14;
  uint32 log_index = 15;

  string tx_hash = 16;
  string taker_address = 17;
  string maker_address = 18;
}

// TradeBatch represents a batch of trades for efficient publishing
message TradeBatch {
  Provider provider = 1;
  string contract_id = 2;
  // Timestamp in microseconds since Unix epoch
  int64 timestamp_us = 3;
  repeated Trade trades = 4;
  uint32 count = 5;
  // Whether this batch is from historical backfill
  bool backfilled = 6;
}