dex/proto/lxdex.proto

syntax = "proto3";

package lxdex;

option go_package = "github.com/luxfi/dex/pkg/grpc/pb";

// LX gRPC Service for internal Lux Network IPC
service LXDEXService {
  // Order Management
  rpc PlaceOrder(PlaceOrderRequest) returns (PlaceOrderResponse);
  rpc CancelOrder(CancelOrderRequest) returns (CancelOrderResponse);
  rpc GetOrder(GetOrderRequest) returns (Order);
  rpc GetOrders(GetOrdersRequest) returns (GetOrdersResponse);
  
  // Market Data
  rpc GetOrderBook(GetOrderBookRequest) returns (OrderBook);
  rpc StreamOrderBook(StreamOrderBookRequest) returns (stream OrderBookUpdate);
  rpc GetTrades(GetTradesRequest) returns (GetTradesResponse);
  rpc StreamTrades(StreamTradesRequest) returns (stream Trade);
  
  // Account Management
  rpc GetBalance(GetBalanceRequest) returns (Balance);
  rpc GetPositions(GetPositionsRequest) returns (GetPositionsResponse);
  
  // Node Management
  rpc GetNodeInfo(GetNodeInfoRequest) returns (NodeInfo);
  rpc GetPeers(GetPeersRequest) returns (GetPeersResponse);
  rpc Ping(PingRequest) returns (PingResponse);
}

// Common Types
enum OrderType {
  LIMIT = 0;
  MARKET = 1;
  STOP = 2;
  STOP_LIMIT = 3;
  ICEBERG = 4;
  PEG = 5;
}

enum OrderSide {
  BUY = 0;
  SELL = 1;
}

enum OrderStatus {
  OPEN = 0;
  PARTIAL = 1;
  FILLED = 2;
  CANCELLED = 3;
  REJECTED = 4;
}

enum TimeInForce {
  GTC = 0;  // Good Till Cancelled
  IOC = 1;  // Immediate Or Cancel
  FOK = 2;  // Fill Or Kill
  DAY = 3;  // Day Order
}

// Messages
message Order {
  uint64 order_id = 1;
  string symbol = 2;
  OrderType type = 3;
  OrderSide side = 4;
  double price = 5;
  double size = 6;
  double filled = 7;
  double remaining = 8;
  OrderStatus status = 9;
  string user_id = 10;
  string client_id = 11;
  int64 timestamp = 12;
  TimeInForce time_in_force = 13;
  bool post_only = 14;
  bool reduce_only = 15;
}

message PlaceOrderRequest {
  string symbol = 1;
  OrderType type = 2;
  OrderSide side = 3;
  double price = 4;
  double size = 5;
  string user_id = 6;
  string client_id = 7;
  TimeInForce time_in_force = 8;
  bool post_only = 9;
  bool reduce_only = 10;
  double stop_price = 11;
  double limit_price = 12;
}

message PlaceOrderResponse {
  uint64 order_id = 1;
  OrderStatus status = 2;
  string message = 3;
}

message CancelOrderRequest {
  uint64 order_id = 1;
  string user_id = 2;
}

message CancelOrderResponse {
  bool success = 1;
  string message = 2;
}

message GetOrderRequest {
  uint64 order_id = 1;
}

message GetOrdersRequest {
  string user_id = 1;
  string symbol = 2;
  OrderStatus status = 3;
  int32 limit = 4;
}

message GetOrdersResponse {
  repeated Order orders = 1;
}

message OrderBook {
  string symbol = 1;
  repeated PriceLevel bids = 2;
  repeated PriceLevel asks = 3;
  int64 timestamp = 4;
}

message PriceLevel {
  double price = 1;
  double size = 2;
  int32 count = 3;
}

message OrderBookUpdate {
  string symbol = 1;
  repeated PriceLevel bid_updates = 2;
  repeated PriceLevel ask_updates = 3;
  int64 timestamp = 4;
}

message GetOrderBookRequest {
  string symbol = 1;
  int32 depth = 2;
}

message StreamOrderBookRequest {
  string symbol = 1;
  int32 depth = 2;
}

message Trade {
  uint64 trade_id = 1;
  string symbol = 2;
  double price = 3;
  double size = 4;
  OrderSide side = 5;
  uint64 buy_order_id = 6;
  uint64 sell_order_id = 7;
  string buyer_id = 8;
  string seller_id = 9;
  int64 timestamp = 10;
}

message GetTradesRequest {
  string symbol = 1;
  int32 limit = 2;
}

message GetTradesResponse {
  repeated Trade trades = 1;
}

message StreamTradesRequest {
  string symbol = 1;
}

message Balance {
  string asset = 1;
  double available = 2;
  double locked = 3;
  double total = 4;
}

message GetBalanceRequest {
  string user_id = 1;
  string asset = 2;
}

message Position {
  string symbol = 1;
  double size = 2;
  double entry_price = 3;
  double mark_price = 4;
  double pnl = 5;
  double margin = 6;
}

message GetPositionsRequest {
  string user_id = 1;
}

message GetPositionsResponse {
  repeated Position positions = 1;
}

message NodeInfo {
  string node_id = 1;
  string version = 2;
  string network = 3;
  uint64 block_height = 4;
  uint64 order_count = 5;
  uint64 trade_count = 6;
  int64 uptime = 7;
  bool syncing = 8;
  repeated string supported_markets = 9;
}

message GetNodeInfoRequest {}

message Peer {
  string peer_id = 1;
  string address = 2;
  int64 connected_at = 3;
  uint64 bytes_sent = 4;
  uint64 bytes_received = 5;
}

message GetPeersRequest {}

message GetPeersResponse {
  repeated Peer peers = 1;
}

message PingRequest {
  int64 timestamp = 1;
}

message PingResponse {
  int64 timestamp = 1;
  string message = 2;
}