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:& q, L$ v! { L
NEPWIF Private => Public => ScriptHash Address7 b3 K, w1 s$ g" k: c9 H
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+ L, I: W0 ^+ K0 L
创建钱包账号 G6 ^3 V C) t2 \, _2 x$ o" f
import { wallet } from ‘@cityofzion/neon-js’;* g- L/ e' J0 M ?4 F
/**
* 根据passpase生产一个新的neo账号& ^8 O" ~! f: d
* @param {*} passphase
* @param {*} confirmPassphase
* @param {*} wif 8 A4 d& Y4 {! M) g1 x* p
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export function createWalletAccount(passphase: string, confirmPassphase: string, wif?: string): ?WalletAccount {
if (passphase !== confirmPassphase) return null;* ]# J, U% N+ e& ?: M) j
var account = new wallet.Account(wif || wallet.generatePrivateKey());7 j8 ]) J* {# v9 H' V
const encryptedWIF = wallet.encrypt(account.WIF, passphase);
const result: WalletAccount = {- J# \- W* G+ t' I9 z+ i
address: account.address,, I* ?' a; t; N' I) B4 j
privateKey: account.privateKey,
publicKey: account.publicKey,
scriptHash: account.scriptHash,
WIF: account.WIF,
encryptedWIF,7 Q9 e% L& _5 y4 `
passphase,/ q' r+ D* T/ u; F
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return result;
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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
test(‘createWalletAccount ‘, () => {
const passphase = ‘123456’;
const account = createWalletAccount(passphase, passphase);
console.log(account);7 S8 c% u& p0 e4 f- v* |/ U3 b
expect(account.address !== null).toBe(true);2 k1 |4 T" l7 {/ o: o- I# z8 A7 H" d
});- ~# ?8 l& ?( i" l# R
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。
{ # ?$ m" g. o+ H; i
address: ‘AUMgtJsw3kBrcA7poBYNaonZTGMNoqZNLy’," C; b$ }7 r5 g/ T
privateKey: ’10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba’,
publicKey: ’03af2ad8725c4926632d6816f5502d8f749dec369afadfe0bb5ac697fe22a0ef77′,$ [. q ?& H+ c Y& v& y
scriptHash: ‘a8f677c132f2c82d73ff138e817e784c25ab068a’,& J% R. b" Q6 ~, y
WIF: ‘KwnETPM2m8wTAY3qySvDVLf3Vpfg77nvJhxR2Qyi8uMWKoqP1Q3f’,0 c% o8 e, m1 o5 A7 f5 i l+ @
encryptedWIF: ‘6PYVHykkA1TfyQ2344wftv5e7vRoecV4iVwEVZ62aqCAx3dh3LDrRV19AS’,% w3 @% n! H9 \/ R
passphase: ‘123456’ 2 W5 ~/ a" N& h6 _- Y# {; F
}
转化6 D/ o6 V j& a1 d
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& K7 |" l" W$ z
下面先新建一个jtest的单元测试文件Core.spec.js8 J3 U1 V- S# v2 b
私钥到公钥的转化
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’;
test(‘private:10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba get PUb_Key’,()=>{
const pubKey = wallet.getPublicKeyFromPrivateKey(’10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba’);( A: P9 w+ c, P
expect(pubKey).toBe(’03af2ad8725c4926632d6816f5502d8f749dec369afadfe0bb5ac697fe22a0ef77′);) p1 c" ^9 |/ W$ ~
});
使用命令运行单元测试:
npm run test __test__/neo/Core.spec.js
运行结果:
7 }% L- a E# v- }% a# R
所有转化/ \; U9 d0 X% z- u6 a* i
完整的转化关系如下:
import {wallet} from ‘@cityofzion/neon-js’;. z" n' q1 a7 i& e8 b: q& o6 G7 ]* B
const walletAccount = {
address: ‘AUMgtJsw3kBrcA7poBYNaonZTGMNoqZNLy’,& ~# u9 A6 ?6 o
privateKey: ’10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba’," T: v. V$ X/ O& q r6 q
publicKey: ’03af2ad8725c4926632d6816f5502d8f749dec369afadfe0bb5ac697fe22a0ef77′,
scriptHash: ‘a8f677c132f2c82d73ff138e817e784c25ab068a’,
WIF: ‘KwnETPM2m8wTAY3qySvDVLf3Vpfg77nvJhxR2Qyi8uMWKoqP1Q3f’, x5 o! K+ |# ?% s- f: L9 i2 w
encryptedWIF: ‘6PYVHykkA1TfyQ2344wftv5e7vRoecV4iVwEVZ62aqCAx3dh3LDrRV19AS’,
passphase: ‘123456’ 8 Y5 U% n3 }3 v4 |6 n, O
};! `- n! G% i1 o- t" L7 U P. z+ q
// WIF privateKey5 k9 W6 t. l+ z( I2 ~
test(‘WIF privateKey’,()=>{+ ~; K4 V8 K# i% g6 H
const wif = wallet.getWIFFromPrivateKey(walletAccount.privateKey);) x8 T2 [& A) s# x- X* @
expect(wif).toBe(walletAccount.WIF);( u! m! j' N; e; I' b y
const privateKey = wallet.getPrivateKeyFromWIF(walletAccount.WIF);
expect(privateKey).toBe(walletAccount.privateKey);
});
// privateKey => publicKey
test(`privateKey => publicKey:${walletAccount.privateKey}`,()=>{
const pubKey = wallet.getPublicKeyFromPrivateKey(walletAccount.privateKey);
expect(pubKey).toBe(walletAccount.publicKey);
});
// publicKey => ScriptHash, s0 N$ |9 v2 C* G- i+ w
test(`publicKey => ScriptHash:${walletAccount.publicKey}`,()=>{, k4 l: l3 D7 o
const scriptHash = wallet.getScriptHashFromPublicKey(walletAccount.publicKey);
expect(scriptHash).toBe(walletAccount.scriptHash);
});. M3 |& z) }8 q1 b* r
// scriptHash address
test(‘scriptHash address’,()=>{/ u' V0 K. r3 F6 k' j
const address = wallet.getAddressFromScriptHash(walletAccount.scriptHash);7 M: _+ m' t# r) n/ ?& C4 s# L. ?% S
expect(address).toBe(walletAccount.address);% Y. ?7 {, b+ ^* o" ? T$ ~
const scriptHash = wallet.getScriptHashFromAddress(walletAccount.address);& C. X# p: e! v0 Y/ v, L! x8 F
expect(scriptHash).toBe(walletAccount.scriptHash);( L7 K+ n0 J- U
});/ z' M: X' l9 c8 [% }0 y' G5 G
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