114 lines
2.7 KiB
JavaScript
114 lines
2.7 KiB
JavaScript
// Copyright 2017-2018 @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 ISC license. See the LICENSE file for details.
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// @flow
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import type { I18nProps as Props } from '@polkadot/ui-app/types';
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import React from 'react';
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import Input from '@polkadot/ui-app/Input';
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import Output from '@polkadot/ui-app/Output';
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import Static from '@polkadot/ui-app/Static';
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import classes from '@polkadot/ui-app/util/classes';
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import hexToU8a from '@polkadot/util/hex/toU8a';
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import isHex from '@polkadot/util/is/hex';
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import u8aFromString from '@polkadot/util/u8a/fromString';
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import blake2AsHex from '@polkadot/util-crypto/blake2/asHex';
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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(u8aFromString(''), 256),
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isHexData: false
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};
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render (): React$Node {
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const { className, style } = this.props;
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return (
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<div
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className={classes('toolbox--Hash', className)}
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style={style}
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>
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{this.renderInput()}
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{this.renderOutput()}
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</div>
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);
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}
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renderInput (): React$Node {
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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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className='large'
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label={t('hash.data', {
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defaultValue: 'from the following data (hex or string)'
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})}
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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('hash.isHex', {
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defaultValue: 'hex input data'
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})}
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value={
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isHexData
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? t('hash.isHex.yes', {
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defaultValue: 'Yes'
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})
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: t('hash.isHex.no', {
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defaultValue: 'No'
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})
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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 (): React$Node {
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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('hash.output', {
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defaultValue: 'the resulting hash is'
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})}
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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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: u8aFromString(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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