syntax = "proto3";

package coordinator.v1;

import "google/api/annotations.proto";

service CoordinatorService {
  rpc RegisterPayment(RegisterPaymentRequest) returns (RegisterPaymentResponse) {
    option (google.api.http) = {
      post: "/v1/payment/register"
      body: "*"
    };
  };
  rpc ClaimPayment(ClaimPaymentRequest) returns (ClaimPaymentResponse) {
    option (google.api.http) = {
      post: "/v1/payment/claim"
      body: "*"
    };
  };
  rpc FinalizePayment(FinalizePaymentRequest) returns (FinalizePaymentResponse) {
    option (google.api.http) = {
      post: "/v1/payment/finalize"
      body: "*"
    };
  };
  rpc ListRounds(ListRoundsRequest) returns (ListRoundsResponse) {
    option (google.api.http) = {
      post: "/v1/rounds"
      body: "*"
    };
  };
  rpc GetRound(GetRoundRequest) returns (GetRoundResponse) {
    option (google.api.http) = {
      get: "/v1/round/{txid}"
    };
  };
}

message RegisterPaymentRequest {
  // Unsigned forfeit tx sending all funds back to the ASP.
  string vtx = 1;
}
message RegisterPaymentResponse {
  // Mocks wabisabi's credentials.
  string id = 1;
  // Forfeit tx signed by the ASP.
  string signed_vtx = 2;
}

message ClaimPaymentRequest {
  // Mocks wabisabi's credentials.
  string id = 1;
  // List of receivers for a registered payment. 
  repeated Output outputs = 2;
}
message ClaimPaymentResponse {}

message FinalizePaymentRequest {
  // Forfeit tx signed also by the user. 
  string signed_vtx = 1;
}
message FinalizePaymentResponse {}

message ListRoundsRequest {
  int64 start = 1;
  int64 end = 2;
}
message ListRoundsResponse {
  repeated Round rounds = 1;
}

message GetRoundRequest {
  string txid = 1;
}
message GetRoundResponse {
  Round round = 1;
}

message Round {
  int64 start = 1;
  int64 end = 2;
  string txid = 3;
  repeated Output outputs = 4;
}

message Output {
  string pubkey = 1;
  uint64 amount = 2;
}