ghost-portal/packages/react-query/src/BestFinalized.tsx
2020-09-17 16:46:46 +02:00

32 lines
848 B
TypeScript

// Copyright 2017-2020 @polkadot/react-query authors & contributors
// SPDX-License-Identifier: Apache-2.0
import { BlockNumber } from '@polkadot/types/interfaces';
import React from 'react';
import { useApi, useCall } from '@polkadot/react-hooks';
import { formatNumber } from '@polkadot/util';
interface Props {
children?: React.ReactNode;
className?: string;
label?: React.ReactNode;
}
function BestFinalized ({ children, className = '', label }: Props): React.ReactElement<Props> {
const { api } = useApi();
const bestNumberFinalized = useCall<BlockNumber>(api.derive.chain.bestNumberFinalized);
return (
<div className={className}>
{label || ''}{
bestNumberFinalized
? formatNumber(bestNumberFinalized)
: '-'
}{children}
</div>
);
}
export default React.memo(BestFinalized);