NEO 区块链钱包账号
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发表于 2022-11-30 20:08:36
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neo钱包主要包括address,privateKey,publicKey,scriptHash,WIF这几个部分;它们之间存在一定的转化关系:
NEPWIF Private => Public => ScriptHash Address% ^7 q5 e1 z6 p2 i5 C
不开玩笑,除了 address 可以告诉别人以外,其它的对谁都不要说,address类似一个银行卡号,是别人想给你转账的时候使用的5 e7 \4 \) n" Z" j5 P9 v% a
创建钱包账号
import { wallet } from ‘@cityofzion/neon-js’;: }- A& d% b% g$ c) G/ X. ^
/*** w7 Z/ |1 Q" _) `! J& W2 M
* 根据passpase生产一个新的neo账号
* @param {*} passphase
* @param {*} confirmPassphase
* @param {*} wif 4 u' H: R' q' R3 C( w/ E4 w$ J5 V& @
*/
export function createWalletAccount(passphase: string, confirmPassphase: string, wif?: string): ?WalletAccount {/ d+ m, u, W5 g, D0 G; D' E9 P: [
if (passphase !== confirmPassphase) return null;
var account = new wallet.Account(wif || wallet.generatePrivateKey());
const encryptedWIF = wallet.encrypt(account.WIF, passphase);1 S& @6 h ~6 `7 F1 w2 e
const result: WalletAccount = {6 J; M- Q' @9 m, g
address: account.address,
privateKey: account.privateKey,8 f/ @; t3 w5 ~" Y& \6 H
publicKey: account.publicKey,
scriptHash: account.scriptHash,
WIF: account.WIF,
encryptedWIF,
passphase,. ]( r' w6 e! b$ r2 x
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return result;1 f) z+ ?' F0 |% r
}- v9 M" c. ^' N
创建钱包账号单元测试
通过jest对创建钱包的方法进行单元测试5 o# e$ o ^( q' K. j- c* z
test(‘createWalletAccount ‘, () => {. m) k8 m1 O- M# `- _/ `" q' ~
const passphase = ‘123456’;0 G2 G5 M3 S- c+ ~. Y
const account = createWalletAccount(passphase, passphase);- I7 U: m+ y( b V) X; a& m" U
console.log(account);
expect(account.address !== null).toBe(true);
});% m7 J% M: H, I8 y9 P5 h4 w* T
运行结果如下所示,就是当前生成的账号信息,可以使用neo-wallet登录一下试试。5 {, J- F W" ^$ R# |" ]
{ 2 @7 t1 ^9 A6 T) V/ D+ H, o% K
address: ‘AUMgtJsw3kBrcA7poBYNaonZTGMNoqZNLy’,
privateKey: ’10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba’,1 }/ W/ M+ R* }: s4 X
publicKey: ’03af2ad8725c4926632d6816f5502d8f749dec369afadfe0bb5ac697fe22a0ef77′,
scriptHash: ‘a8f677c132f2c82d73ff138e817e784c25ab068a’,
WIF: ‘KwnETPM2m8wTAY3qySvDVLf3Vpfg77nvJhxR2Qyi8uMWKoqP1Q3f’,
encryptedWIF: ‘6PYVHykkA1TfyQ2344wftv5e7vRoecV4iVwEVZ62aqCAx3dh3LDrRV19AS’,9 \* x; B' i( n3 d# F, p- M
passphase: ‘123456’ : J$ A, [( f% P* o
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转化
正如前面所述的,钱包里的各个数据存在一定的转化关系,至于详细的相互之间转化的原理,先不至讨论,我们可以使用neon-js的相关API来查看是否正确转化。
NEPWIF Private => Public => ScriptHash Address/ i' Y8 V: [: c7 _, q& F
下面先新建一个jtest的单元测试文件Core.spec.js4 `: Z3 }' b; f
私钥到公钥的转化 o+ L/ U* @1 G# \* |5 X' I
这里使用上面生成的测试账号进行测试,注意因为是测试账号以后我不会再使用,所以暴露出来,如果是你的个人账号,请一定不要暴露WIF以及privateKey。
单元测试代码如下:
import {wallet} from ‘@cityofzion/neon-js’;# d1 D* x: S+ b
test(‘private:10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba get PUb_Key’,()=>{
const pubKey = wallet.getPublicKeyFromPrivateKey(’10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba’);
expect(pubKey).toBe(’03af2ad8725c4926632d6816f5502d8f749dec369afadfe0bb5ac697fe22a0ef77′);
});; N5 \2 V" I( v. D. Z
使用命令运行单元测试:
npm run test __test__/neo/Core.spec.js
运行结果:
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所有转化! |, q4 l. h. O( e# S
完整的转化关系如下:: C v: X. G0 Q+ V# g3 K
import {wallet} from ‘@cityofzion/neon-js’;
const walletAccount = {
address: ‘AUMgtJsw3kBrcA7poBYNaonZTGMNoqZNLy’,0 r/ t' ~& p' N& p
privateKey: ’10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba’,
publicKey: ’03af2ad8725c4926632d6816f5502d8f749dec369afadfe0bb5ac697fe22a0ef77′,
scriptHash: ‘a8f677c132f2c82d73ff138e817e784c25ab068a’,: p, v1 `: P7 ~# N I; Q/ D% W. D
WIF: ‘KwnETPM2m8wTAY3qySvDVLf3Vpfg77nvJhxR2Qyi8uMWKoqP1Q3f’,
encryptedWIF: ‘6PYVHykkA1TfyQ2344wftv5e7vRoecV4iVwEVZ62aqCAx3dh3LDrRV19AS’,
passphase: ‘123456’ - f; X3 U/ W, i
};
// WIF privateKey7 i5 T( d; R* }( P) v
test(‘WIF privateKey’,()=>{
const wif = wallet.getWIFFromPrivateKey(walletAccount.privateKey);
expect(wif).toBe(walletAccount.WIF);9 V6 R# U" @' P( g- z5 ~+ b8 J$ {
const privateKey = wallet.getPrivateKeyFromWIF(walletAccount.WIF);
expect(privateKey).toBe(walletAccount.privateKey);
});3 h( L9 x3 A6 @* T" j# Q
// privateKey => publicKey9 T; q# Q7 X" A% P1 L
test(`privateKey => publicKey:${walletAccount.privateKey}`,()=>{( M4 ]4 Q$ L0 L! q. n) k
const pubKey = wallet.getPublicKeyFromPrivateKey(walletAccount.privateKey);. Y( K5 d5 v: j' {: h4 j2 _" O
expect(pubKey).toBe(walletAccount.publicKey);
});) E5 J8 q) h( u( Q3 ?
// publicKey => ScriptHash2 p" g8 j R7 J G) ]& M! k2 P
test(`publicKey => ScriptHash:${walletAccount.publicKey}`,()=>{
const scriptHash = wallet.getScriptHashFromPublicKey(walletAccount.publicKey);
expect(scriptHash).toBe(walletAccount.scriptHash);
});
// scriptHash address! u% P0 u4 \8 S) G9 ^
test(‘scriptHash address’,()=>{
const address = wallet.getAddressFromScriptHash(walletAccount.scriptHash);7 D. E( N2 A$ A6 Y4 F
expect(address).toBe(walletAccount.address);
const scriptHash = wallet.getScriptHashFromAddress(walletAccount.address);
expect(scriptHash).toBe(walletAccount.scriptHash);
});. `: B6 p) ]% }( H+ q9 {
总结
如上,主要说明了neo账号的创建,以及讲述账号各个字段之间的转化关系,本篇使用的api为neon-js,这是coz在github社区开源的neo钱包api,它包含了钱包开发的所有的api,我认为它是学习钱包的很好的材料,当然neo-gui,neo-cli本身也是开源的,完全可以使用它们的源码来学习,只是相较于C#,对于开发跨平台应用,我更喜欢基于electron的方案。
为了学习开发neo钱包,我搭建了一个electron的boilerplate,作为快速启动的基础,这样其他同样想用此方案的朋友就不用再一次去搭建环境了。此boilerplate具体集成了以下技术方案:electron,React,dva,flow,antd;后面会抽时间把文中提到的jest也集成进去以便可以开箱即用的写单元测试。
成为第一个吐槽的人