packages/page-staking-legacy/src/Validators/Summary.tsx
// Copyright 2017-2024 @polkadot/app-staking authors & contributors
// SPDX-License-Identifier: Apache-2.0
import type { DeriveStakingOverview } from '@polkadot/api-derive/types';
import type { SortedTargets } from '../types.js';
import React from 'react';
import SummarySession from '@polkadot/app-explorer/SummarySession';
import { CardSummary, styled, SummaryBox } from '@polkadot/react-components';
import { formatNumber } from '@polkadot/util';
import { useTranslation } from '../translate.js';
interface Props {
className?: string;
nominators?: string[];
stakingOverview?: DeriveStakingOverview;
targets: SortedTargets;
}
function Summary ({ className = '', stakingOverview, targets: { counterForNominators, inflation: { idealStake, inflation, stakedFraction }, nominators, waitingIds } }: Props): React.ReactElement<Props> {
const { t } = useTranslation();
const percent = <span className='percent'>%</span>;
return (
<StyledSummaryBox className={className}>
<section>
<CardSummary label={t('validators')}>
{stakingOverview
? <>{formatNumber(stakingOverview.validators.length)} / {formatNumber(stakingOverview.validatorCount)}</>
: <span className='--tmp'>999 / 999</span>
}
</CardSummary>
<CardSummary
className='media--900'
label={t('waiting')}
>
{waitingIds
? formatNumber(waitingIds.length)
: <span className='--tmp'>99</span>
}
</CardSummary>
<CardSummary
className='media--1000'
label={
counterForNominators
? t('active / nominators')
: t('nominators')
}
>
{nominators
? (
<>
{formatNumber(nominators.length)}
{counterForNominators && (
<> / {formatNumber(counterForNominators)}</>
)}
</>
)
: <span className='--tmp'>999 / 999</span>
}
</CardSummary>
</section>
<section>
{(idealStake > 0) && Number.isFinite(idealStake) && (
<CardSummary
className='media--1400'
label={t('ideal staked')}
>
<>{(idealStake * 100).toFixed(1)}{percent}</>
</CardSummary>
)}
{(stakedFraction > 0) && (
<CardSummary
className='media--1300'
label={t('staked')}
>
<>{(stakedFraction * 100).toFixed(1)}{percent}</>
</CardSummary>
)}
{(inflation > 0) && Number.isFinite(inflation) && (
<CardSummary
className='media--1200'
label={t('inflation')}
>
<>{inflation.toFixed(1)}{percent}</>
</CardSummary>
)}
</section>
<section>
<SummarySession />
</section>
</StyledSummaryBox>
);
}
const StyledSummaryBox = styled(SummaryBox)`
.validator--Account-block-icon {
display: inline-block;
margin-right: 0.75rem;
margin-top: -0.25rem;
vertical-align: middle;
}
.validator--Summary-authors {
.validator--Account-block-icon+.validator--Account-block-icon {
margin-left: -1.5rem;
}
}
.percent {
font-size: var(--font-percent-tiny);
}
`;
export default React.memo(Summary);