bch-dex/src/controllers/rest-api/middleware/error.js

export default function errorMiddleware () {
  return async (ctx, next) => {
    try {
      await next()
    } catch (err) {
      ctx.status = err.status || 500
      ctx.body = err.message
      ctx.app.emit('error', err, ctx)
    }
  }
};