Forked from slp-dex

2026-09-21 16:52:00 -07:00 · 2022-02-23 05:51:12 -08:00
commit 7cd858e4e2
167 changed files with 59371 additions and 0 deletions
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+/*
+  This Koa server has two interfaces:
+  - REST API over HTTP
+  - JSON RPC over IPFS
+
+  The architecture of the code follows the Clean Architecture pattern:
+  https://troutsblog.com/blog/clean-architecture
+*/
+
+// npm libraries
+const Koa = require('koa')
+const bodyParser = require('koa-bodyparser')
+const convert = require('koa-convert')
+const logger = require('koa-logger')
+const mongoose = require('mongoose')
+const session = require('koa-generic-session')
+const passport = require('koa-passport')
+const mount = require('koa-mount')
+const serve = require('koa-static')
+const cors = require('kcors')
+
+// Local libraries
+const config = require('../config') // this first.
+const AdminLib = require('../src/adapters/admin')
+// const adminLib = new AdminLib()
+
+const WebHookLib = require('../src/adapters/webhook')
+const webhookLib = new WebHookLib()
+
+// const JSONRPC = require('../src/rpc')
+// const rpc = new JSONRPC()
+
+const errorMiddleware = require('../src/controllers/rest-api/middleware/error')
+// const { wlogger } = require('../src/adapters/wlogger')
+
+class Server {
+  constructor () {
+    this.adminLib = new AdminLib()
+  }
+
+  async startServer () {
+    try {
+      // Create a Koa instance.
+      const app = new Koa()
+      app.keys = [config.session]
+
+      // Connect to the Mongo Database.
+      mongoose.Promise = global.Promise
+      mongoose.set('useCreateIndex', true) // Stop deprecation warning.
+      console.log(
+        `Connecting to MongoDB with this connection string: ${config.database}`
+      )
+      await mongoose.connect(config.database, {
+        useUnifiedTopology: true,
+        useNewUrlParser: true
+      })
+
+      console.log(`Starting environment: ${config.env}`)
+      console.log(`Debug level: ${config.debugLevel}`)
+
+      // MIDDLEWARE START
+
+      app.use(convert(logger()))
+      app.use(bodyParser())
+      app.use(session())
+      app.use(errorMiddleware())
+
+      // Used to generate the docs.
+      app.use(mount('/', serve(`${process.cwd()}/docs`)))
+
+      // Mount the page for displaying logs.
+      app.use(mount('/logs', serve(`${process.cwd()}/config/logs`)))
+
+      // User Authentication
+      require('../config/passport')
+      app.use(passport.initialize())
+      app.use(passport.session())
+
+      // Attach REST API and JSON RPC controllers to the app.
+      const Controllers = require('../src/controllers')
+      const controllers = new Controllers()
+      await controllers.attachRESTControllers(app)
+
+      app.controllers = controllers
+
+      // Enable CORS for testing
+      // THIS IS A SECURITY RISK. COMMENT OUT FOR PRODUCTION
+      app.use(cors({ origin: '*' }))
+
+      // MIDDLEWARE END
+
+      // Create webhook
+      try {
+        try {
+          // Delete an old webhook if it exists.
+          await webhookLib.deleteWebhook('http://localhost:5700/order')
+        } catch (err) {
+          /* exit quietly */
+          // console.log('err deleting webhook: ', err)
+        }
+
+        await webhookLib.createWebhook('http://localhost:5700/order')
+        console.log('Webhook created')
+      } catch (error) {
+        console.log('Webhook cant be created')
+      }
+
+      // startServer()
+      await app.listen(config.port)
+      console.log(`Server started on ${config.port}`)
+
+      // Create the system admin user.
+      const success = await this.adminLib.createSystemUser()
+      if (success) console.log('System admin user created.')
+
+      // Attach the other IPFS controllers
+      await controllers.attachControllers(app)
+
+      // ipfs-coord has a memory leak. This app shuts down after 4 hours. It
+      // expects to be run by Docker or pm2, which can automatically restart
+      // the app.
+      setTimeout(function () {
+        process.exit(0)
+      }, 60000 * 60 * 2) // 2 hours
+
+      return app
+    } catch (err) {
+      console.error('Could not start server. Error: ', err)
+    }
+  }
+}
+
+module.exports = Server