rwadurian/backend/mpc-system/api/proto/message_router.proto

64 lines
1.9 KiB
Protocol Buffer

syntax = "proto3";
package mpc.router.v1;
option go_package = "github.com/rwadurian/mpc-system/api/grpc/router/v1;router";
// MessageRouter service handles MPC message routing
service MessageRouter {
// RouteMessage routes a message from one party to others
rpc RouteMessage(RouteMessageRequest) returns (RouteMessageResponse);
// SubscribeMessages subscribes to messages for a party (streaming)
rpc SubscribeMessages(SubscribeMessagesRequest) returns (stream MPCMessage);
// GetPendingMessages retrieves pending messages (polling alternative)
rpc GetPendingMessages(GetPendingMessagesRequest) returns (GetPendingMessagesResponse);
}
// RouteMessageRequest routes an MPC message
message RouteMessageRequest {
string session_id = 1;
string from_party = 2;
repeated string to_parties = 3; // Empty for broadcast
int32 round_number = 4;
string message_type = 5;
bytes payload = 6; // Encrypted MPC message
}
// RouteMessageResponse confirms message routing
message RouteMessageResponse {
bool success = 1;
string message_id = 2;
}
// SubscribeMessagesRequest subscribes to messages for a party
message SubscribeMessagesRequest {
string session_id = 1;
string party_id = 2;
}
// MPCMessage represents an MPC protocol message
message MPCMessage {
string message_id = 1;
string session_id = 2;
string from_party = 3;
bool is_broadcast = 4;
int32 round_number = 5;
string message_type = 6;
bytes payload = 7;
int64 created_at = 8; // Unix timestamp milliseconds
}
// GetPendingMessagesRequest retrieves pending messages
message GetPendingMessagesRequest {
string session_id = 1;
string party_id = 2;
int64 after_timestamp = 3; // Get messages after this timestamp
}
// GetPendingMessagesResponse contains pending messages
message GetPendingMessagesResponse {
repeated MPCMessage messages = 1;
}