29 lines
865 B
TypeScript
29 lines
865 B
TypeScript
/* eslint-disable @typescript-eslint/camelcase */
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// Copyright 2017-2020 @polkadot/react-query 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 { Header } from '@polkadot/types/interfaces';
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import { BareProps, CallProps } from '@polkadot/react-api/types';
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import React from 'react';
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import { useApi, useCall } from '@polkadot/react-hooks';
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interface Props extends BareProps, CallProps {
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label?: React.ReactNode;
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}
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export default function BestHash ({ className, label, style }: Props): React.ReactElement<Props> {
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const { api } = useApi();
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const newHead = useCall<Header>(api.rpc.chain.subscribeNewHeads, []);
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return (
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<div
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className={className}
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style={style}
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>
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{label || ''}{newHead?.hash.toHex()}
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</div>
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);
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}
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