147 lines
3.8 KiB
TypeScript
147 lines
3.8 KiB
TypeScript
import React from 'react';
|
|
import { generateMnemonic } from 'bip39';
|
|
import translate from 'translations';
|
|
import Word from './Word';
|
|
import FinalSteps from '../FinalSteps';
|
|
import Template from '../Template';
|
|
import { WalletType } from '../../GenerateWallet';
|
|
import './Mnemonic.scss';
|
|
|
|
interface State {
|
|
words: string[];
|
|
confirmValues: string[];
|
|
isConfirming: boolean;
|
|
isConfirmed: boolean;
|
|
}
|
|
|
|
interface WordTuple {
|
|
word: string;
|
|
index: number;
|
|
}
|
|
|
|
export default class GenerateMnemonic extends React.Component<{}, State> {
|
|
public state: State = {
|
|
words: [],
|
|
confirmValues: [],
|
|
isConfirming: false,
|
|
isConfirmed: false
|
|
};
|
|
|
|
public componentDidMount() {
|
|
this.regenerateWordArray();
|
|
}
|
|
|
|
public render() {
|
|
const { words, isConfirming, isConfirmed } = this.state;
|
|
let content;
|
|
|
|
if (isConfirmed) {
|
|
content = <FinalSteps walletType={WalletType.Mnemonic} />;
|
|
} else {
|
|
const canContinue = this.checkCanContinue();
|
|
const firstHalf: WordTuple[] = [];
|
|
const lastHalf: WordTuple[] = [];
|
|
words.forEach((word, index) => {
|
|
if (index < words.length / 2) {
|
|
firstHalf.push({ word, index });
|
|
} else {
|
|
lastHalf.push({ word, index });
|
|
}
|
|
});
|
|
|
|
content = (
|
|
<div className="GenerateMnemonic">
|
|
<h1 className="GenerateMnemonic-title">{translate('GENERATE_MNEMONIC_TITLE')}</h1>
|
|
|
|
<p className="GenerateMnemonic-help">
|
|
{isConfirming
|
|
? translate('MNEMONIC_DESCRIPTION_1')
|
|
: translate('MNEMONIC_DESCRIPTION_2')}
|
|
</p>
|
|
|
|
<div className="GenerateMnemonic-words">
|
|
{[firstHalf, lastHalf].map((ws, i) => (
|
|
<div key={i} className="GenerateMnemonic-words-column">
|
|
{ws.map(this.makeWord)}
|
|
</div>
|
|
))}
|
|
</div>
|
|
|
|
<div className="GenerateMnemonic-buttons">
|
|
{!isConfirming && (
|
|
<button
|
|
className="GenerateMnemonic-buttons-btn btn btn-default"
|
|
onClick={this.regenerateWordArray}
|
|
>
|
|
<i className="fa fa-refresh" /> {translate('REGENERATE_MNEMONIC')}
|
|
</button>
|
|
)}
|
|
<button
|
|
className="GenerateMnemonic-buttons-btn btn btn-primary"
|
|
disabled={!canContinue}
|
|
onClick={this.goToNextStep}
|
|
>
|
|
{translate('CONFIRM_MNEMONIC')}
|
|
</button>
|
|
</div>
|
|
|
|
<button className="GenerateMnemonic-skip" onClick={this.skip} />
|
|
</div>
|
|
);
|
|
}
|
|
|
|
return <Template>{content}</Template>;
|
|
}
|
|
|
|
private regenerateWordArray = () => {
|
|
this.setState({ words: generateMnemonic().split(' ') });
|
|
};
|
|
|
|
private handleConfirmChange = (index: number, value: string) => {
|
|
this.setState((state: State) => {
|
|
const confirmValues = [...state.confirmValues];
|
|
confirmValues[index] = value;
|
|
this.setState({ confirmValues });
|
|
});
|
|
};
|
|
|
|
private goToNextStep = () => {
|
|
if (!this.checkCanContinue()) {
|
|
return;
|
|
}
|
|
|
|
if (this.state.isConfirming) {
|
|
this.setState({ isConfirmed: true });
|
|
} else {
|
|
this.setState({ isConfirming: true });
|
|
}
|
|
};
|
|
|
|
private checkCanContinue = () => {
|
|
const { isConfirming, words, confirmValues } = this.state;
|
|
|
|
if (isConfirming) {
|
|
return words.reduce((prev, word, index) => {
|
|
return word === confirmValues[index] && prev;
|
|
}, true);
|
|
} else {
|
|
return !!words.length;
|
|
}
|
|
};
|
|
|
|
private makeWord = (word: WordTuple) => (
|
|
<Word
|
|
key={`${word.word}${word.index}`}
|
|
index={word.index}
|
|
word={word.word}
|
|
value={this.state.confirmValues[word.index] || ''}
|
|
isReadOnly={!this.state.isConfirming}
|
|
onChange={this.handleConfirmChange}
|
|
/>
|
|
);
|
|
|
|
private skip = () => {
|
|
this.setState({ isConfirmed: true });
|
|
};
|
|
}
|