feat: complete day 7

day6/cronJobs/shopifyCustomerSync.js

@@ -24,6 +24,8 @@ async function fetchShopifyCustomers() {
       const curlCommand = `curl -i -X GET "${nextUrl}"`;
       const { stdout } = await execPromise(curlCommand);
 
+      console.log(stdout);
+
       // Separate headers and body
       const parts = stdout.split("\r\n\r\n");
       const rawHeaders = parts[0];
@@ -70,11 +72,13 @@ async function syncCustomers() {
   }
 }
 
+syncCustomers();
+
 // run every minute
-cron.schedule("* * * * *", () => {
-  console.log("Running Shopify customer sync...");
-  syncCustomers();
-});
+// cron.schedule("* * * * *", () => {
+//   console.log("Running Shopify customer sync...");
+//   syncCustomers();
+// });
 
 // For manual testing
 module.exports = { syncCustomers };

day7/app.js

@@ -1,11 +1,12 @@
-var createError = require('http-errors');
-var express = require('express');
-var path = require('path');
-var cookieParser = require('cookie-parser');
-var logger = require('morgan');
+var createError = require("http-errors");
+var express = require("express");
+var path = require("path");
+var cookieParser = require("cookie-parser");
+var logger = require("morgan");
 
-var indexRouter = require('./routes/index');
-var usersRouter = require('./routes/users');
+var indexRouter = require("./routes/index");
+var usersRouter = require("./routes/users");
+const userApiRouter = require("./routes/user");
 
 const db = require("./models");
 var cors = require("cors");
@@ -13,17 +14,18 @@ var cors = require("cors");
 var app = express();
 app.set("db", db);
 // view engine setup
-app.set('views', path.join(__dirname, 'views'));
-app.set('view engine', 'jade');
+app.set("views", path.join(__dirname, "views"));
+app.set("view engine", "jade");
 app.use(cors());
-app.use(logger('dev'));
+app.use(logger("dev"));
 app.use(express.json());
 app.use(express.urlencoded({ extended: false }));
 app.use(cookieParser());
-app.use(express.static(path.join(__dirname, 'public')));
+app.use(express.static(path.join(__dirname, "public")));
 
-app.use('/', indexRouter);
-app.use('/users', usersRouter);
+app.use("/", indexRouter);
+app.use("/users", usersRouter);
+app.use("/api/v1/user", userApiRouter);
 
 // catch 404 and forward to error handler
 app.use(function (req, res, next) {
@@ -34,11 +36,11 @@ app.use(function (req, res, next) {
 app.use(function (err, req, res, next) {
   // set locals, only providing error in development
   res.locals.message = err.message;
-  res.locals.error = req.app.get('env') === 'development' ? err : {};
+  res.locals.error = req.app.get("env") === "development" ? err : {};
 
   // render the error page
   res.status(err.status || 500);
-  res.render('error');
+  res.render("error");
 });
 
 module.exports = app;

day7/models/index.js

@@ -1,4 +1,4 @@
-'use strict';
+"use strict";
 /*Powered By: Manaknightdigital Inc. https://manaknightdigital.com/ Year: 2020*/
 /**
  * Sequelize File
@@ -8,49 +8,63 @@
  * @author Ryan Wong
  *
  */
-const fs = require('fs');
-const path = require('path');
-let Sequelize = require('sequelize');
+const fs = require("fs");
+const path = require("path");
+let Sequelize = require("sequelize");
 const basename = path.basename(__filename);
-const { DataTypes } = require('sequelize');
+const { DataTypes } = require("sequelize");
 const config = {
-  DB_DATABASE: 'mysql',
-  DB_USERNAME: 'root',
-  DB_PASSWORD: 'root',
-  DB_ADAPTER: 'mysql',
-  DB_NAME: 'day_1',
-  DB_HOSTNAME: 'localhost',
+  DB_DATABASE: "mysql",
+  DB_USERNAME: "root",
+  DB_PASSWORD: process.env.DB_PASSWORD || "root",
+  DB_ADAPTER: "mysql",
+  DB_NAME: "day_7",
+  DB_HOSTNAME: "localhost",
   DB_PORT: 3306,
 };
 
 let db = {};
 
-let sequelize = new Sequelize(config.DB_DATABASE, config.DB_USERNAME, config.DB_PASSWORD, {
-  dialect: config.DB_ADAPTER,
-  username: config.DB_USERNAME,
-  password: config.DB_PASSWORD,
-  database: config.DB_NAME,
-  host: config.DB_HOSTNAME,
-  port: config.DB_PORT,
-  logging: console.log,
-  timezone: '-04:00',
-  pool: {
-    maxConnections: 1,
-    minConnections: 0,
-    maxIdleTime: 100,
-  },
-  define: {
-    timestamps: false,
-    underscoredAll: true,
-    underscored: true,
-  },
-});
+let sequelize = new Sequelize(
+  config.DB_NAME,
+  config.DB_USERNAME,
+  config.DB_PASSWORD,
+  {
+    dialect: config.DB_ADAPTER,
+    username: config.DB_USERNAME,
+    password: config.DB_PASSWORD,
+    database: config.DB_NAME,
+    host: config.DB_HOSTNAME,
+    port: config.DB_PORT,
+    logging: console.log,
+    timezone: "-04:00",
+    pool: {
+      maxConnections: 1,
+      minConnections: 0,
+      maxIdleTime: 100,
+    },
+    define: {
+      timestamps: false,
+      underscoredAll: true,
+      underscored: true,
+    },
+  }
+);
 
-// sequelize.sync({ force: true });
+sequelize
+  .sync()
+  .then(() => {
+    console.log("All tables synced successfully.");
+  })
+  .catch((err) => {
+    console.error("Failed to sync tables:", err);
+  });
 
 fs.readdirSync(__dirname)
   .filter((file) => {
-    return file.indexOf('.') !== 0 && file !== basename && file.slice(-3) === '.js';
+    return (
+      file.indexOf(".") !== 0 && file !== basename && file.slice(-3) === ".js"
+    );
   })
   .forEach((file) => {
     var model = require(path.join(__dirname, file))(sequelize, DataTypes);
@@ -66,4 +80,4 @@ Object.keys(db).forEach((modelName) => {
 db.sequelize = sequelize;
 db.Sequelize = Sequelize;
 
-module.exports = db;
+module.exports = db;

day7/models/user.js

@@ -0,0 +1,16 @@
+module.exports = (sequelize, DataTypes) => {
+  const user = sequelize.define("user", {
+    id: {
+      type: DataTypes.INTEGER,
+      primaryKey: true,
+      autoIncrement: true,
+    },
+    name: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    wallet_id: DataTypes.STRING,
+  });
+
+  return user;
+};

day7/package.json

@@ -3,7 +3,8 @@
   "version": "0.0.0",
   "private": true,
   "scripts": {
-    "start": "node ./bin/www"
+    "start": "node ./bin/www",
+    "dev": "node --watch --env-file=.env ./bin/www"
   },
   "dependencies": {
     "cookie-parser": "~1.4.4",
@@ -14,6 +15,8 @@
     "jade": "~1.11.0",
     "morgan": "~1.9.1",
     "mysql2": "^2.3.3",
-    "sequelize": "^6.15.1"
+    "node-input-validator": "^4.5.1",
+    "sequelize": "^6.15.1",
+    "web3": "^4.16.0"
   }
 }

day7/routes/user.js

@@ -0,0 +1,152 @@
+const express = require("express");
+const { user } = require("../models");
+const {
+  validateInput,
+  handleValidationErrorForAPI,
+} = require("../services/ValidationService");
+const Web3Service = require("../services/Web3Service");
+
+const router = express.Router();
+
+router.get("/", async (req, res, next) => {
+  try {
+    const users = await user.findAll();
+    res.json({ success: true, data: users });
+  } catch (err) {
+    next(err);
+  }
+});
+
+const createUserRules = {
+  name: "required|string",
+};
+
+router.post(
+  "/",
+  validateInput(createUserRules),
+  handleValidationErrorForAPI,
+  async (req, res, next) => {
+    try {
+      await user.create(req.body);
+      res.json({ success: true, message: "User created successfully" });
+    } catch (err) {
+      next(err);
+    }
+  }
+);
+
+// POST /api/v1/user/wallet
+router.post(
+  "/wallet",
+  validateInput({ id: "required|integer" }),
+  handleValidationErrorForAPI,
+  async (req, res) => {
+    try {
+      const { id: userId } = req.body;
+      const u = await user.findByPk(userId);
+
+      if (!u) {
+        return res
+          .status(404)
+          .json({ success: false, error: "User not found" });
+      }
+
+      const wallet = Web3Service.createWallet();
+      await u.update({ wallet_id: wallet.address });
+      res.json({
+        success: true,
+        data: { address: wallet.address, privateKey: wallet.privateKey },
+      });
+    } catch (err) {
+      res.status(500).json({ success: false, error: err.message });
+    }
+  }
+);
+
+// GET /api/v1/user/sign?private_key=...&message=...
+router.get("/sign", (req, res) => {
+  try {
+    const { private_key, message } = req.query;
+    const signed = Web3Service.signMessage(
+      private_key,
+      message || "default message"
+    );
+    res.json({ success: true, data: signed });
+  } catch (err) {
+    res.status(500).json({ success: false, error: err.message });
+  }
+});
+
+// GET /api/v1/user/account?private_key=...
+router.get("/account", async (req, res) => {
+  try {
+    const { private_key } = req.query;
+    const account =
+      Web3Service.web3.eth.accounts.privateKeyToAccount(private_key);
+    const balance = await Web3Service.getBalance(account.address);
+    res.json({ success: true, data: { address: account.address, balance } });
+  } catch (err) {
+    res.status(500).json({ success: false, error: err.message });
+  }
+});
+
+// GET /api/v1/user/transfer?private_key=...&to_address=...&amount=...
+router.get("/transfer", async (req, res) => {
+  try {
+    const { private_key, to_address, amount } = req.query;
+    const tx = await Web3Service.transfer(private_key, to_address, amount);
+    res.json({ success: true, data: tx });
+  } catch (err) {
+    res.status(500).json({ success: false, error: err.message });
+  }
+});
+
+router.get("/:id", async (req, res, next) => {
+  try {
+    const u = await user.findByPk(req.params.id);
+    if (!u) {
+      return res.status(404).json({ error: "User not found" });
+    }
+    res.json({ success: true, data: u });
+  } catch (err) {
+    next(err);
+  }
+});
+
+const updateUserRules = {
+  name: "string",
+  wallet_id: "string",
+};
+
+router.put(
+  "/:id",
+  validateInput(updateUserRules),
+  handleValidationErrorForAPI,
+  async (req, res, next) => {
+    try {
+      const u = await user.findByPk(req.params.id);
+      if (!u) {
+        return res.status(404).json({ error: "User not found" });
+      }
+      await u.update(req.body);
+      res.json({ success: true, message: "User updated successfully" });
+    } catch (err) {
+      next(err);
+    }
+  }
+);
+
+router.delete("/:id", async (req, res, next) => {
+  try {
+    const u = await user.findByPk(req.params.id);
+    if (!u) {
+      return res.status(404).json({ error: "User not found" });
+    }
+    await u.destroy();
+    res.json({ success: true, message: "User deleted successfully" });
+  } catch (err) {
+    next(err);
+  }
+});
+
+module.exports = router;

day7/services/Web3Service.js

@@ -0,0 +1,37 @@
+// services/Web3Service.js
+const { Web3 } = require("web3");
+
+const web3 = new Web3(process.env.ALCHEMY_API_URL);
+
+module.exports = {
+  web3,
+  createWallet: () => {
+    return web3.eth.accounts.create();
+  },
+  signMessage: (privateKey, message) => {
+    return web3.eth.accounts.sign(message, privateKey);
+  },
+  getBalance: async (address) => {
+    const balanceWei = await web3.eth.getBalance(address);
+    return web3.utils.fromWei(balanceWei, "ether");
+  },
+  transfer: async (privateKey, to, amount) => {
+    const account = web3.eth.accounts.privateKeyToAccount(privateKey);
+    const from = account.address;
+    const nonce = await web3.eth.getTransactionCount(from, "latest");
+
+    const gasPrice = await web3.eth.getGasPrice();
+
+    const tx = {
+      from,
+      to,
+      value: web3.utils.toWei(amount, "ether"),
+      gas: 21000,
+      gasPrice,
+      nonce,
+    };
+
+    const signed = await account.signTransaction(tx);
+    return web3.eth.sendSignedTransaction(signed.rawTransaction);
+  },
+};