它是分层确定性(Hierarchical Deterministic)钱包的缩写 HD Wallets,是目前广泛使用的虚拟货币钱包标准。HD钱包从单个根种子(root seed)中创建,为128到256位的随机数,任何兼容HD钱包的根种子也可重新创造整个HD钱包,所以拥有HD钱包的根种子就等于拥有了所有密钥,方便存储、导入及导出。
BIP32:定义 Hierarchical Deterministic wallet (简称 "HD Wallet"),是一个系统可以从单一个 seed 产生一树状结构储存多组 keypairs(私钥和公钥)。好处是可以方便的备份、转移到其他相容装置(因为都只需要 seed),以及分层的权限控制等
BIP39:将 seed 用方便记忆和书写的单字表示。一般由 12 个单字组成,称为 mnemonic code(phrase),中文称为助记词或助记码
BIP44:基于 BIP32 的系统,赋予树状结构中的各层特殊的意义。让同一个 seed 可以支援多币种、多帐户等。各层定义如下:
m / purpose' / coin_type' / account' / change / address_index
其中的 purporse' 固定是 44',代表使用 BIP44。而 coin_type' 用来表示不同币种,
例如 BTC 就是 0',ETH 是 60' ETC 是 61
注:所需要的依赖包安装
安装 bip39:https://www.npmjs.com/package/bip39
npm install bip39 --save
安装 ethers.js: https://docs.ethers.io/ethers.js/html/index.html
npm install ethers --save
安装 bitcoinjs-lib:https://www.npmjs.com/package/bitcoinjs-lib
npm install bitcoinjs-lib --save
安装 eosjs-ecc:https://github.com/EOSIO/eosjs-ecc#randomkey
npm install eosjs-ecc --save
//引用依赖(根据工程环境安装的不同版本对应使用)
import { ethers } from 'ethers';
import bitcoin from 'bitcoinjs-lib';
import bip39 from 'bip39';
import bip32 from 'bip32';
import eosEcc from 'eosjs-ecc';
ethers.js生成助记词:
var mnemonic = ethers.Wallet.createRandom().mnemonic
bip39生成助记词:
var mnemonic = bip39.generateMnemonic()
//设置生成测试or正式环境的钱包
const network = bitcoin.networks.bitcoin
// 计算seed:
const seed = bip39.mnemonicToSeed(mnemonic)
const root = bip32.fromSeed(seed,network)
const path = "m/44'/0'/0'/0/0";
const keyPair = root.derivePath(path)
const privateKey = keyPair.toWIF()
console.log("BTC私钥:", privateKey)
const publicKey = keyPair.publicKey.toString("hex")
console.log("BTC公钥:", publicKey)
let address = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey , network:network})
console.log("BTC地址:", address.address, "\n")
var Wallet = ethers.Wallet.fromMnemonic(mnemonic);
var privateKey = Wallet.privateKey;
console.log("ETH私钥:",privateKey)
var address = Wallet.address;
console.log("ETH地址:",address)
var compressedPublicKey = Wallet.compressedPublicKey;
console.log("ETH公钥:",compressedPublicKey)
//生成新的助记词、私钥、地址
var wallet = ethers.Wallet.createRandom();
let mnemonic = wallet.mnemonic;
var address = wallet.address;
console.log("ETH地址:"address)
var privateKey = wallet.privateKey;
console.log("ETH私钥:",privateKey)
var compressedPublicKey = wallet.signingKey.keyPair.compressedPublicKey;
console.log("ETH公钥:",compressedPublicKey)
var eosPrivate = eosEcc.seedPrivate(mnemonic);
console.log("EOS私钥:",eosPrivate)
const eosPubkey = eosEcc.privateToPublic(eosPrivate);
console.log("EOS公钥:",eosPubkey)
//随机生成新的私钥公钥
eosEcc.randomKey().then(privateKey => {
console.log('Private Key:\t', privateKey)
console.log('Public Key:\t', eosEcc.privateToPublic(privateKey))
})
如何注册EOS账户:
需安装:
npm install eosjs --save
eos环境配置:
var Eos = require('eosjs')
var eosConfig = {
keyProvider: ['私钥'], // 配置私钥字符串
httpEndpoint: 'http://51.15.224.168:8888', //DEV开发链url与端口
//httpEndpoint: 'https://nodes.get-scatter.com', //主网
chainId: "038f4b0fc8ff18a4f0842a8f0564611f6e96e8535901dd45e43ac8691a1c4dca", // 通过cleos get info可以获取chainId
//chainId: "aca376f206b8fc25a6ed44dbdc66547c36c6c33e3a119ffbeaef943642f0e906", //主网
broadcast: true,
}
var eos = Eos(eosConfig)
var creatoraccount = "accounthr123"; //主账号
var newaccount = "sdrghiochaiq"; //新账号
var newaccount_pubkey = pubkey; //新账号的公钥
//构建transaction对象
eos.transaction(tr => {
//新建账号
tr.newaccount({
creator: creatoraccount,
name: newaccount,
owner: newaccount_pubkey,
active: newaccount_pubkey
})
//为新账号充值RAM
tr.buyrambytes({
payer: creatoraccount,
receiver: newaccount,
bytes: 3072
})
//为新账号抵押CPU和NET资源
tr.delegatebw({
from: creatoraccount,
receiver: newaccount,
stake_net_quantity: '1.0000 EOS',
stake_cpu_quantity: '1.0000 EOS',
transfer: 0
})
}).then(r => {
console.log(r);
}).catch(e => {
console.log(e)
});
}catch (e){
}
测试结果:
学如逆水行舟,不进则退。心似平原跑马,易放难收。全栈工程师是指掌握多种技能,并能利用多种技能独立完成产品的人。 也叫全端工程师(同时具备前端和后台能力),英文Full Stack engineer。【人工智能】【区块链】【系统/网络/运维】【云计算/大数据】【数据库】【移动开发】【后端开发】【游戏开发】【UI设计】【微服务】【爬虫】【Java】【Go】【C++】【PHP】【Python】【Android/IOS】【HTML/CSS】【JavaScript】【Node】。。。
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