102 lines
3.1 KiB
TypeScript
102 lines
3.1 KiB
TypeScript
import { IFullWallet, IV3Wallet } from 'ethereumjs-wallet';
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import { toChecksumAddress } from 'ethereumjs-util';
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import React, { Component } from 'react';
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import translate from 'translations';
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import { makeBlob } from 'utils/blob';
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import './DownloadWallet.scss';
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import Template from '../Template';
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import { N_FACTOR } from 'config';
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interface Props {
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wallet: IFullWallet;
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password: string;
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continue(): void;
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}
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interface State {
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hasDownloadedWallet: boolean;
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keystore: IV3Wallet | null;
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}
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export default class DownloadWallet extends Component<Props, State> {
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public state: State = {
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hasDownloadedWallet: false,
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keystore: null
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};
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public componentWillMount() {
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this.setWallet(this.props.wallet, this.props.password);
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}
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public componentWillUpdate(nextProps: Props) {
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if (this.props.wallet !== nextProps.wallet) {
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this.setWallet(nextProps.wallet, nextProps.password);
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}
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}
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public render() {
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const { hasDownloadedWallet } = this.state;
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const filename = this.props.wallet.getV3Filename();
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return (
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<Template>
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<div className="DlWallet">
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<h1 className="DlWallet-title">{translate('GEN_Label_2')}</h1>
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<a
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role="button"
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className="DlWallet-download btn btn-primary btn-lg"
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aria-label="Download Keystore File (UTC / JSON · Recommended · Encrypted)"
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aria-describedby={translate('x_KeystoreDesc')}
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download={filename}
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href={this.getBlob()}
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onClick={this.handleDownloadKeystore}
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>
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{translate('x_Download')} {translate('x_Keystore2')}
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</a>
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<div className="DlWallet-warning">
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<p>
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<strong>Do not lose it!</strong> It cannot be recovered if you lose it.
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</p>
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<p>
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<strong>Do not share it!</strong> Your funds will be stolen if you use this file on a
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malicious/phishing site.
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</p>
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<p>
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<strong>Make a backup!</strong> Secure it like the millions of dollars it may one day
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be worth.
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</p>
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</div>
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<button
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className="DlWallet-continue btn btn-danger"
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role="button"
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onClick={this.handleContinue}
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disabled={!hasDownloadedWallet}
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>
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I understand. Continue.
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</button>
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</div>
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</Template>
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);
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}
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public getBlob = () =>
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(this.state.keystore && makeBlob('text/json;charset=UTF-8', this.state.keystore)) || undefined;
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private markDownloaded = () =>
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this.state.keystore && this.setState({ hasDownloadedWallet: true });
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private handleContinue = () => this.state.hasDownloadedWallet && this.props.continue();
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private setWallet(wallet: IFullWallet, password: string) {
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const keystore = wallet.toV3(password, { n: N_FACTOR });
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keystore.address = toChecksumAddress(keystore.address);
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this.setState({ keystore });
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}
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private handleDownloadKeystore = (e: React.FormEvent<HTMLAnchorElement>) =>
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this.state.keystore ? this.markDownloaded() : e.preventDefault();
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}
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