MyCrypto/common/containers/Tabs/GenerateWallet/components/DownloadWallet.tsx

141 lines
4.1 KiB
TypeScript

import { ContinueToPaperAction } from 'actions/generateWallet';
import { IFullWallet, IV3Wallet } from 'ethereumjs-wallet';
import { toChecksumAddress } from 'ethereumjs-util';
import { NewTabLink } from 'components/ui';
import React, { Component } from 'react';
import translate from 'translations';
import { makeBlob } from 'utils/blob';
import './DownloadWallet.scss';
import Template from './Template';
interface Props {
wallet: IFullWallet;
password: string;
continueToPaper(): ContinueToPaperAction;
}
interface State {
hasDownloadedWallet: boolean;
keystore: IV3Wallet | null;
}
export default class DownloadWallet extends Component<Props, State> {
public state: State = {
hasDownloadedWallet: false,
keystore: null
};
public componentWillMount() {
this.setWallet(this.props.wallet, this.props.password);
}
public componentWillUpdate(nextProps: Props) {
if (this.props.wallet !== nextProps.wallet) {
this.setWallet(nextProps.wallet, nextProps.password);
}
}
public render() {
const { hasDownloadedWallet } = this.state;
const filename = this.props.wallet.getV3Filename();
const content = (
<div className="DlWallet">
<h1 className="DlWallet-title">{translate('GEN_Label_2')}</h1>
<a
role="button"
className="DlWallet-download btn btn-primary btn-lg"
aria-label="Download Keystore File (UTC / JSON · Recommended · Encrypted)"
aria-describedby="x_KeystoreDesc"
download={filename}
href={this.getBlob()}
onClick={this.handleDownloadKeystore}
>
{translate('x_Download')} {translate('x_Keystore2')}
</a>
<div className="DlWallet-warning">
<p>
<strong>Do not lose it!</strong> It cannot be recovered if you lose
it.
</p>
<p>
<strong>Do not share it!</strong> Your funds will be stolen if you
use this file on a malicious/phishing site.
</p>
<p>
<strong>Make a backup!</strong> Secure it like the millions of
dollars it may one day be worth.
</p>
</div>
<button
className="DlWallet-continue btn btn-danger"
role="button"
onClick={this.handleContinue}
disabled={!hasDownloadedWallet}
>
I understand. Continue.
</button>
</div>
);
const help = (
<div>
<h4>{translate('GEN_Help_8')}</h4>
<ul>
<li>{translate('GEN_Help_9')}</li>
<li> {translate('GEN_Help_10')}</li>
<input
value={filename}
className="form-control input-sm"
disabled={true}
/>
</ul>
<h4>{translate('GEN_Help_11')}</h4>
<ul>
<li>{translate('GEN_Help_12')}</li>
</ul>
<h4>{translate('GEN_Help_4')}</h4>
<ul>
<li>
<NewTabLink href="https://myetherwallet.groovehq.com/knowledge_base/topics/how-do-i-save-slash-backup-my-wallet">
<strong>{translate('GEN_Help_13')}</strong>
</NewTabLink>
</li>
<li>
<NewTabLink href="https://myetherwallet.groovehq.com/knowledge_base/topics/what-are-the-different-formats-of-a-private-key">
<strong>{translate('GEN_Help_14')}</strong>
</NewTabLink>
</li>
</ul>
</div>
);
return <Template content={content} help={help} />;
}
public getBlob = () =>
(this.state.keystore &&
makeBlob('text/json;charset=UTF-8', this.state.keystore)) ||
undefined;
private markDownloaded = () =>
this.state.keystore && this.setState({ hasDownloadedWallet: true });
private handleContinue = () =>
this.state.hasDownloadedWallet && this.props.continueToPaper();
private setWallet(wallet: IFullWallet, password: string) {
const keystore = wallet.toV3(password, { n: 1024 });
keystore.address = toChecksumAddress(keystore.address);
this.setState({ keystore });
}
private handleDownloadKeystore = e =>
this.state.keystore ? this.markDownloaded() : e.preventDefault();
}