43 lines
1.1 KiB
TypeScript
43 lines
1.1 KiB
TypeScript
// 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 { Moment } from '@polkadot/types/interfaces';
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import { BareProps } from '@polkadot/react-api/types';
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import BN from 'bn.js';
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import React, { useEffect, useState } from 'react';
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import { useApi, useCall } from '@polkadot/react-hooks';
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import Elapsed from './Elapsed';
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interface Props extends BareProps {
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children?: React.ReactNode;
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label?: React.ReactNode;
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}
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export default function TimeNow ({ children, className, label, style }: Props): React.ReactElement<Props> {
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const { api, isSubstrateV2 } = useApi();
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const timestamp = useCall<Moment>(api.query.timestamp.now, []);
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const [now, setNow] = useState<BN | undefined>();
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useEffect((): void => {
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setNow(
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isSubstrateV2 || !timestamp
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? timestamp
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: timestamp.muln(1000)
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);
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}, [timestamp, isSubstrateV2]);
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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 || ''}
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<Elapsed value={now} />
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{children}
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</div>
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);
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}
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