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BestFinalized.tsx
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BestFinalized.tsx
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// Copyright 2017-2019 @polkadot/react-query authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { BareProps } from '@polkadot/react-api/types';
import { BlockNumber } from '@polkadot/types/interfaces';
import React from 'react';
import { useApi, useCall } from '@polkadot/react-hooks';
import { formatNumber } from '@polkadot/util';
interface Props extends BareProps {
children?: React.ReactNode;
label?: React.ReactNode;
}
export default function BestFinalized ({ children, className, label, style }: Props): React.ReactElement<Props> {
const { api } = useApi();
const bestNumberFinalized = useCall<BlockNumber>(api.derive.chain.bestNumberFinalized as any, []);
return (
<div
className={className}
style={style}
>
{label || ''}{
bestNumberFinalized
? formatNumber(bestNumberFinalized)
: '-'
}{children}
</div>
);
}