ebad8635f7
* Adjust useCall options * Extract useCall options * typo * Apply suggestions from code review * Adjust param creation in calls
32 lines
846 B
TypeScript
32 lines
846 B
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 React from 'react';
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import { useApi, useCall } from '@polkadot/react-hooks';
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import FormatBalance from './FormatBalance';
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interface Props {
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children?: React.ReactNode;
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className?: string;
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label?: React.ReactNode;
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}
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function TotalIssuance ({ children, className = '', label }: Props): React.ReactElement<Props> {
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const { api } = useApi();
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const totalIssuance = useCall<string>(api.query.balances?.totalIssuance);
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return (
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<div className={className}>
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{label || ''}
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<FormatBalance
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value={totalIssuance}
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withSi
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/>
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{children}
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</div>
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);
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}
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export default React.memo(TotalIssuance);
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