Created
June 15, 2018 07:41
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Ethereum account generation from seed
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| const Web3: any = require('web3'); // tslint:disable-line:variable-name | |
| const bip39: any = require('bip39'); | |
| const hdkey: any = require('ethereumjs-wallet/hdkey'); | |
| const web3: any = new Web3(); | |
| export class Accounts { | |
| private seed: string; | |
| constructor(seed: string) { | |
| this.seed = seed; | |
| } | |
| private getSeed(): string { | |
| return this.seed; | |
| } | |
| getPrivateKey(index: number): string { | |
| const hdwallet: any = hdkey.fromMasterSeed(bip39.mnemonicToSeed(this.getSeed)); | |
| const walletHdPath: any = "m/44'/60'/0'/0/"; // tslint:disable-line:quotemark | |
| const wallet: any = hdwallet.derivePath(walletHdPath + index).getWallet(); | |
| const privateKey = wallet.getPrivateKey().toString('hex'); | |
| return '0x' + privateKey; | |
| } | |
| getAddress(index: number): string { | |
| const privateKey: string = this.getPrivateKey(index); | |
| const account: any = web3.eth.accounts.privateKeyToAccount(privateKey); | |
| return account.address; | |
| } | |
| } |
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