absl::StatusOr ContractClient::DeployContract()

in interface/contract/contract_client.cpp [46:96]

• 42 lines of code
• 7 McCabe index (conditional complexity)

absl::StatusOr<Contract> ContractClient::DeployContract(
    const std::string& caller_address, const std::string& contract_name,
    const std::string& contract_path,
    const std::vector<std::string>& init_params) {
  std::ifstream contract_fstream(contract_path);
  if (!contract_fstream) {
    LOG(ERROR) << "could not find contract definition. file:" << contract_path
               << " name:" << contract_name;
    return absl::InvalidArgumentError("Contract not exist.");
  }

  nlohmann::json contracts_definition = nlohmann::json::parse(contract_fstream);

  const auto all_contracts = contracts_definition["contracts"];

  const std::string contract_code = all_contracts[contract_name]["bin"];
  if (contract_code.empty()) {
    LOG(ERROR) << "could not find contract definition. file:" << contract_path
               << " name:" << contract_name;
    return absl::InvalidArgumentError("Contract not exist.");
  }

  const auto func_hashes = all_contracts[contract_name]["hashes"];

  DeployInfo deploy_info;
  deploy_info.set_contract_bin(contract_code);
  deploy_info.set_contract_name(contract_name);

  for (auto& func : func_hashes.items()) {
    FuncInfo* new_func = deploy_info.add_func_info();
    new_func->set_func_name(func.key());
    new_func->set_hash(func.value());
  }

  for (const std::string& param : init_params) {
    deploy_info.add_init_param(param);
  }

  Request request;
  Response response;
  request.set_caller_address(caller_address);
  *request.mutable_deploy_info() = deploy_info;

  request.set_cmd(Request::DEPLOY);
  LOG(ERROR) << "send request:" << request.DebugString();
  int ret = SendRequest(request, &response);
  if (ret != 0 || response.ret() != 0) {
    return absl::InternalError("Deploy contract fail.");
  }
  return response.contract();
}