index.js

// Config
const logger = require("./config/logger.js");
const dotenv = require("dotenv");
dotenv.config({ path: "./config/.env" });

const { checkChainId, checkExecutor, checkSafeVersion } = require("./utils/safe");

// App
const app = require("./app.js");
let server;

// MongoDB
const connectDB = require("./config/mongodb");

// Start!
connectDB().then(async () => {
  await checkExecutor();
  await checkChainId();
  await checkSafeVersion();

  // connect
  server = app.listen(
    process.env.PORT || 3000,
    logger.info(
      `Safe Watcher is running in ${process.env.NODE_ENV} mode on port ${process.env.PORT}`,
    ),
  );
});

// On Unexpected Error
const unexpectedErrorHandler = (error) => {
  if (server) {
    server.close(() => {
      logger.error(error);
      logger.info("Server closed");
      process.exit(1);
    });
  } else {
    process.exit(1);
  }
};

process.on("uncaughtException", unexpectedErrorHandler);
process.on("unhandledRejection", unexpectedErrorHandler);