NEO 区块链钱包账号
博客园
发表于 2022-11-30 20:08:36
138
0
0
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:: h/ _' D' o1 M5 c/ J3 Q
NEPWIF Private => Public => ScriptHash Address
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
创建钱包账号
import { wallet } from ‘@cityofzion/neon-js’;8 s# M% j+ O; V
/**
* 根据passpase生产一个新的neo账号* u; ? V3 r# y" _7 i) x5 K
* @param {*} passphase / B9 o' c8 S/ c3 O+ H2 Z
* @param {*} confirmPassphase + \ ?- C) K0 ?: r+ l$ V5 }* {
* @param {*} wif
*/
export function createWalletAccount(passphase: string, confirmPassphase: string, wif?: string): ?WalletAccount { d* ~$ I$ }+ O& K$ B" a+ r2 T
if (passphase !== confirmPassphase) return null; Q# j* }# U' @1 O9 w- C, \
var account = new wallet.Account(wif || wallet.generatePrivateKey());% ~6 w5 F4 r ?. p& x1 S. y
const encryptedWIF = wallet.encrypt(account.WIF, passphase);/ E! |8 f! S! ^! s1 j# q( P
const result: WalletAccount = {
address: account.address,
privateKey: account.privateKey,
publicKey: account.publicKey,# y8 z: S+ x) @! M
scriptHash: account.scriptHash,+ Y0 ?/ V' i8 g- t6 [& }/ [( k
WIF: account.WIF,
encryptedWIF,8 E9 |% `0 t$ G( M) b# p0 N# z
passphase,
}
return result;
}: D; P! I1 Y5 H6 {! W
创建钱包账号单元测试+ Y t4 |; B1 J$ l v# I+ V
通过jest对创建钱包的方法进行单元测试" w9 |8 J, N! s* n
test(‘createWalletAccount ‘, () => {
const passphase = ‘123456’;/ \! e1 z0 }; i( `6 O, O1 H
const account = createWalletAccount(passphase, passphase);
console.log(account);, B R# ]( `( D1 Y
expect(account.address !== null).toBe(true);
});, W+ N4 W8 z. O" I2 H- t0 \4 P
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。
{ * g, X9 R9 T0 ]/ C/ {* J
address: ‘AUMgtJsw3kBrcA7poBYNaonZTGMNoqZNLy’,5 N5 E' `) [2 j1 D5 z+ Y: \
privateKey: ’10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba’,
publicKey: ’03af2ad8725c4926632d6816f5502d8f749dec369afadfe0bb5ac697fe22a0ef77′,1 ~7 }2 W& q& f5 o6 M! z- w
scriptHash: ‘a8f677c132f2c82d73ff138e817e784c25ab068a’,6 d/ h" Z1 A F% m( X5 q
WIF: ‘KwnETPM2m8wTAY3qySvDVLf3Vpfg77nvJhxR2Qyi8uMWKoqP1Q3f’,
encryptedWIF: ‘6PYVHykkA1TfyQ2344wftv5e7vRoecV4iVwEVZ62aqCAx3dh3LDrRV19AS’,
passphase: ‘123456’
}
转化+ G2 J- _. p. O' X9 k
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
下面先新建一个jtest的单元测试文件Core.spec.js; L. `& o! ~% L
私钥到公钥的转化, P5 k! P$ q# s! A
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:" ]- A- e( L! e! _8 n
import {wallet} from ‘@cityofzion/neon-js’;
test(‘private:10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba get PUb_Key’,()=>{7 m! C; a7 d0 x; I8 [5 U' m V
const pubKey = wallet.getPublicKeyFromPrivateKey(’10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba’);8 X, i+ E3 j6 @, { l8 K
expect(pubKey).toBe(’03af2ad8725c4926632d6816f5502d8f749dec369afadfe0bb5ac697fe22a0ef77′);
});
使用命令运行单元测试:5 D+ E9 u/ O4 ^' u
npm run test __test__/neo/Core.spec.js$ X' {# V4 y/ G
运行结果:) ^" I' t% V) h0 q% I
所有转化
完整的转化关系如下:, H2 D$ P) ]; v( ]7 P$ x" ]2 l
import {wallet} from ‘@cityofzion/neon-js’;
const walletAccount = { 1 t3 _9 m3 C3 W
address: ‘AUMgtJsw3kBrcA7poBYNaonZTGMNoqZNLy’,
privateKey: ’10bb026b4015c481f0b5142aa5de36de40a99fc8c26e956011a3f820f7708fba’,
publicKey: ’03af2ad8725c4926632d6816f5502d8f749dec369afadfe0bb5ac697fe22a0ef77′,
scriptHash: ‘a8f677c132f2c82d73ff138e817e784c25ab068a’,% X- l( X3 @) s, J2 i5 Y' o
WIF: ‘KwnETPM2m8wTAY3qySvDVLf3Vpfg77nvJhxR2Qyi8uMWKoqP1Q3f’,
encryptedWIF: ‘6PYVHykkA1TfyQ2344wftv5e7vRoecV4iVwEVZ62aqCAx3dh3LDrRV19AS’,+ r% B8 H7 ?8 o& j! V8 a' l' b
passphase: ‘123456’
};
// WIF privateKey' W' D! a+ x# b" j! i/ U
test(‘WIF privateKey’,()=>{
const wif = wallet.getWIFFromPrivateKey(walletAccount.privateKey);
expect(wif).toBe(walletAccount.WIF);2 w4 p7 \4 E1 ^) q0 ]; ]
const privateKey = wallet.getPrivateKeyFromWIF(walletAccount.WIF);
expect(privateKey).toBe(walletAccount.privateKey);3 S9 k, d( Y1 ]+ s- F' a/ Y, c
});
// privateKey => publicKey# A# P" p. o/ W4 ]
test(`privateKey => publicKey:${walletAccount.privateKey}`,()=>{
const pubKey = wallet.getPublicKeyFromPrivateKey(walletAccount.privateKey);: k3 ^& h( a: {/ Q, e
expect(pubKey).toBe(walletAccount.publicKey);' d8 r0 y' [$ z" {1 ]" Q$ ~/ `" ]
});
// publicKey => ScriptHash- }& D1 I6 L5 E- c
test(`publicKey => ScriptHash:${walletAccount.publicKey}`,()=>{
const scriptHash = wallet.getScriptHashFromPublicKey(walletAccount.publicKey);
expect(scriptHash).toBe(walletAccount.scriptHash);" u0 `# N& S [7 p2 E3 X, }( T
});4 X8 K. l) _$ {
// scriptHash address
test(‘scriptHash address’,()=>{
const address = wallet.getAddressFromScriptHash(walletAccount.scriptHash);' V4 i6 E) P3 Q8 A' M& G- N: C* @4 d% \
expect(address).toBe(walletAccount.address);
const scriptHash = wallet.getScriptHashFromAddress(walletAccount.address);/ j; {$ N7 F/ F2 D' w
expect(scriptHash).toBe(walletAccount.scriptHash);' m6 w4 p) p% a4 L# c3 u1 Z
});
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