syntax = "proto3";

option go_package = ".;proto";

package proto;

service PaymentService {
  rpc GetWallet(GetWalletRequest) returns (GetWalletResponse) {}
  rpc GetTransaction(GetTransactionRequest) returns (GetTransactionResponse) {}
  rpc MakeTransaction(MakeTransactionRequest) returns (TransactionInfo) {}
  rpc MakeTransactionWithAccount(MakeTransactionWithAccountRequest) returns (TransactionInfo) {}
}

message WalletInfo {
  uint64 id = 1;
  double balance = 2;
  uint64 account_id = 3;
}

message TransactionInfo {
  uint64 id = 1;
  optional uint64 payer_id = 2;
  optional uint64 payee_id = 3;
  double amount = 4;
  string remark = 5;
}

message GetWalletRequest {
  uint64 account_id = 1;
}

message GetWalletResponse {
  WalletInfo wallet = 1;
}

message GetTransactionRequest {
  uint64 id = 1;
}

message GetTransactionResponse {
  TransactionInfo transaction = 1;
}

message MakeTransactionRequest {
  optional uint64 payer_id = 1;
  optional uint64 payee_id = 2;
  double amount = 3;
  string remark = 4;
}

message MakeTransactionResponse {
  TransactionInfo transaction = 1;
}

message MakeTransactionWithAccountRequest {
  optional uint64 payer_account_id = 1;
  optional uint64 payee_account_id = 2;
  double amount = 3;
  string remark = 4;
}