创建钱包
创建钱包流程： 生成随机助记词 => 通过助记词创建钱包=>钱包信息和加密明文（私钥和密码加密）
导入钱包
通过插件提供方法，根据助记词|keyStore|私钥，找到钱包信息（地址和私钥）=>钱包信息和加密明文（私钥和密码加密）AES加密存入localStorage
生成记忆助词
var mnemonic = ethers.utils.HDNode.entropyToMnemonic(ethers.utils.randomBytes(16));
创建钱包
if (!ethers.utils.HDNode.isValidMnemonic(mnemonic)) { result.success = false; result.message = "mnemonic Invalid"; } else { var wallet = ethers.Wallet.fromMnemonic(mnemonic); result.data = { privateKey: wallet.privateKey, path: wallet.path, address: wallet.address, mnemonic: mnemonic }
找回钱包
if (req.body.type == "privateKey") {//根据私钥 var wallet = new ethers.Wallet(req.body.data); result.data = wallet.address } else {//根据记忆帮词 var mnemonic = ethers.Wallet.fromMnemonic(req.body.data); var wallet = new ethers.Wallet(mnemonic.privateKey); result.data = wallet.address; }
源码
inde.html
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>new a wallet</title> <style> .input-group{ margin-bottom: 10px; } </style> <link href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" rel="stylesheet"> </head> <body> <div class="container"> <div class="page-header"> <h1>x-wallet demo</h1> </div> <div class="row"> <h3>new a wallet</h3> <div class="col-12"> <div class="input-group"> <span class="input-group-addon text-primary" id="generate-mnemonic">generate mnemonic</span> <input id="mnemonic" type="text" class="form-control" aria-describedby="generate-mnemonic"> <div class="input-group-btn"> <button id="GenerateMnemonic" class="btn btn-primary" type="submit">create</button> </div> </div> </div> <div class="col-12"> <div class="input-group"> <span class="input-group-addon text-primary">create a wallet</span> <input type="text" class="form-control" disabled id="new-wallet"> <div class="input-group-btn"> <button id="createWallet" class="btn btn-primary" type="submit">create</button> </div> </div> </div> <div class="col-12"> <p id="wallet-content"> <p> </div> <h3>Retrieve the wallet</h3> <div class="col-12"> <div class="input-group"> <span class="input-group-addon text-primary" id="group-by-privateKey">Group by privateKey</span> <input id="retrieve-privateKey" type="text" class="form-control" aria-describedby="group-by-privateKey"> <div class="input-group-btn"> <button id="retrieve-waller-privateKey" class="btn btn-primary" type="submit">Retrieve</button> </div> </div> </div> <div class="col-12"> <div class="input-group"> <span class="input-group-addon text-primary" id="group-by-mnemonic">Group by mnemonic</span> <input id="retrieve-mnemonic" type="text" class="form-control" aria-describedby="group-by-mnemonic"> <div class="input-group-btn"> <button id="retrieve-waller-mnemonic" class="btn btn-primary" type="submit">Retrieve</button> </div> </div> </div> </div> </div> <script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"></script> <script type="text/javascript"> $(function () { $("#GenerateMnemonic").on('click', function () { $.post("http://localhost:8888/generateMnemonic", {}, function (res) { var mnemonic = $('#mnemonic'); mnemonic.val(res.data); }) }) $("#createWallet").on('click', function () { $.post("http://localhost:8888/createWallet", { mnemonic: $('#mnemonic').val() }, function (res) { if (res.success) { $("#wallet-content").html("address:" + res.data.address + "<br/>" + "privateKey:" + res.data.privateKey + "<br/>" + "mnemonic:" + res.data.path + "<br/>"); } $("#new-wallet").val(res.data.address); }) }) $('#retrieve-waller-privateKey').on('click', function () { $.post("http://localhost:8888/retrieveWallet", { type: "privateKey", data: $("#retrieve-privateKey").val() }, function (res) { if (res.success) { alert("wallet:" + res.data); } }) }) $('#retrieve-waller-mnemonic').on('click', function () { $.post("http://localhost:8888/retrieveWallet", { type: "mnemonic", data: $("#retrieve-mnemonic").val() }, function (res) { if (res.success) { alert("wallet:" + res.data); } }) }) }) </script> </body> </html>
app.js
var express = require('express'); var ethers = require('ethers'); var app = express(); var bodyParser = require('body-parser'); var urlencodedParser = bodyParser.urlencoded({ extended: false }) app.use(express.static('public')); app.get('/', function (req, res) { res.sendFile(__dirname + "/app/index.html"); }) app.post('/generateMnemonic', urlencodedParser, function (req, res) { var mnemonic = ethers.utils.HDNode.entropyToMnemonic(ethers.utils.randomBytes(16)); var result = { success: true, message: "success", data: mnemonic } res.send(result); res.end(); }) app.post('/createWallet', urlencodedParser, function (req, res) { var result = { success: true, message: "success", data: null } var mnemonic = req.body.mnemonic; if (!ethers.utils.HDNode.isValidMnemonic(mnemonic)) { result.success = false; result.message = "mnemonic Invalid"; } else { var wallet = ethers.Wallet.fromMnemonic(mnemonic); result.data = { privateKey: wallet.privateKey, path: wallet.path, address: wallet.address, mnemonic: mnemonic } } res.send(result); res.end(); }) app.post('/retrieveWallet', urlencodedParser, function (req, res) { var result = { success: true, message: "success", data: null } if (req.body.type == "privateKey") { var wallet = new ethers.Wallet(req.body.data); result.data = wallet.address } else { var mnemonic = ethers.Wallet.fromMnemonic(req.body.data); var wallet = new ethers.Wallet(mnemonic.privateKey); result.data = wallet.address; } res.send(result); res.end(); }) var server = app.listen(8888, function () { var host = server.address().address var port = server.address().port console.log("server start port:" + port) })
效果：
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