Initial layout

Author: protinam

.gitignore

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+node_modules/

LICENSE

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+Copyright 2017 Project Wyvern Developers
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+![Project Wyvern Logo](https://media.githubusercontent.com/media/ProjectWyvern/wyvern-branding/master/logo/logo-square-red-transparent-200x200.png?raw=true "Project Wyvern Logo")
+
+## Example Wyvern Protocol Orderbook Server
+
+[![https://badges.frapsoft.com/os/mit/mit.svg?v=102](https://badges.frapsoft.com/os/mit/mit.svg?v=102)](https://opensource.org/licenses/MIT)
+
+### Synopsis
+
+Example orderbook server for use with the Wyvern Protocol.
+
+Three-layer architecture: Varnish cache up front, Express for HTTP, PostgreSQL as the backing datastore. The Varnish cache layer is optional.
+
+### Development Information
+
+Install [Yarn](https://yarnpkg.com) and fetch dependencies:
+
+```
+yarn
+```
+
+#### Contributing
+
+Contributions welcome! Please use GitHub issues for suggestions/concerns - if you prefer to express your intentions in code, feel free to submit a pull request.

index.js

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+const server = require('./server/index.js')
+
+server.go({
+  port: 8080
+})

package.json

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+{
+  "name": "example-orderbook-server",
+  "version": "0.1.0",
+  "description": "Example Wyvern Protocol orderbook server.",
+  "main": "index.js",
+  "scripts": {
+    "test": "test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ProjectWyvern/example-orderbook-server.git"
+  },
+  "keywords": [
+    "Project Wyvern",
+    "Ethereum",
+    "Smart Contracts"
+  ],
+  "author": "Project Wyvern Developers",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/ProjectWyvern/example-orderbook-server/issues"
+  },
+  "homepage": "https://github.com/ProjectWyvern/example-orderbook-server#readme",
+  "dependencies": {
+    "body-parser": "^1.18.2",
+    "bunyan": "^1.8.12",
+    "express": "^4.16.2",
+    "sequelize": "^4.31.2",
+    "sqlite3": "^3.1.13"
+  }
+}

run.sh

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+#!/bin/sh
+
+while true; do
+  node index.js | bunyan -o short
+  sleep 1
+done

server/db.js

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+const Sequelize = require('sequelize')
+
+const log = require('./logging.js')
+
+const sequelize = new Sequelize('wyvernOrderbook', null, null, {
+  host: 'localhost',
+  dialect: 'sqlite',
+  storage: './db.sqlite',
+  pool: {max: 10, min: 0, acquire: 30000, idle: 10000},
+  operatorsAliases: false,
+  logging: (msg) => log.debug({origin: 'sequelize'}, msg)
+})
+
+const Order = sequelize.define('order', {
+})
+
+module.exports = {
+  sequelize: sequelize,
+  Order: Order
+}

server/index.js

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+const express = require('express')
+const bodyParser = require('body-parser')
+
+const { sequelize } = require('./db.js')
+const log = require('./logging.js')
+
+const app = express()
+app.use(bodyParser.json())
+app.use((req, res, next) => {
+  log.debug({path: req.path, method: req.method, ip: req.headers['X-Forwarded-For']}, 'Request received')
+  res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept')
+  next()
+})
+
+const go = ({ port }) => {
+  sequelize
+    .sync()
+    .then(() => {
+      app.listen(port, () => {
+        log.debug({port: port}, 'Server started')
+      })
+    })
+}
+
+module.exports = {
+  go: go
+}

server/logging.js

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+const bunyan = require('bunyan')
+
+const log = bunyan.createLogger({name: 'server', level: 'debug'})
+
+module.exports = log