93 lines
2.0 KiB
TypeScript
93 lines
2.0 KiB
TypeScript
// Copyright 2017-2019 @polkadot/app-toolbox authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { I18nProps as Props } from '@polkadot/ui-app/types';
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import React from 'react';
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import { Input, Output, Static } from '@polkadot/ui-app';
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import { hexToU8a, isHex, stringToU8a } from '@polkadot/util';
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import { blake2AsHex } from '@polkadot/util-crypto';
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import translate from './translate';
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type State = {
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data: string,
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hash: string,
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isHexData: boolean
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};
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class Hash extends React.PureComponent<Props, State> {
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state: State = {
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data: '',
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hash: blake2AsHex(stringToU8a(''), 256),
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isHexData: false
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};
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render () {
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return (
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<div className='toolbox--Hash'>
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{this.renderInput()}
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{this.renderOutput()}
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</div>
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);
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}
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renderInput () {
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const { t } = this.props;
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const { data, isHexData } = this.state;
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return (
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<div className='ui--row'>
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<Input
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autoFocus
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className='large'
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label={t('from the following data (hex or string)')}
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onChange={this.onChangeData}
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value={data}
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/>
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<Static
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className='small'
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label={t('hex input data')}
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value={
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isHexData
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? t('Yes')
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: t('No')
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}
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/>
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</div>
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);
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}
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renderOutput () {
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const { t } = this.props;
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const { hash } = this.state;
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return (
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<div className='ui--row'>
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<Output
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className='full toolbox--hex'
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isHidden={hash.length === 0}
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label={t('the resulting hash is')}
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value={hash}
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withCopy
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/>
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</div>
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);
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}
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onChangeData = (data: string): void => {
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const isHexData = isHex(data);
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const hash = blake2AsHex(
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isHexData
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? hexToU8a(data)
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: stringToU8a(data),
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256
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);
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this.setState({ data, hash, isHexData });
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}
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}
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export default translate(Hash);
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