88 lines
2.6 KiB
TypeScript
88 lines
2.6 KiB
TypeScript
// Copyright 2017-2020 @polkadot/react-components 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 { DeriveSessionProgress, DeriveStakingAccount, DeriveUnlocking } from '@polkadot/api-derive/types';
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import BN from 'bn.js';
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import React from 'react';
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import styled from 'styled-components';
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import { useApi, useCall } from '@polkadot/react-hooks';
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import { BlockToTime, FormatBalance } from '@polkadot/react-query';
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import { formatBalance, formatNumber } from '@polkadot/util';
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import Icon from './Icon';
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import Tooltip from './Tooltip';
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import { useTranslation } from './translate';
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interface Props {
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className?: string;
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stakingInfo?: DeriveStakingAccount;
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}
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function remainingBlocks (remainingEras: BN, { eraLength, eraProgress }: DeriveSessionProgress): BN {
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return remainingEras
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.subn(1)
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.mul(eraLength)
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.add(eraLength.sub(eraProgress));
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}
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function StakingUnbonding ({ className, stakingInfo }: Props): React.ReactElement<Props> | null {
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const { api } = useApi();
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const progress = useCall<DeriveSessionProgress>(api.derive.session.progress, []);
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const { t } = useTranslation();
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if (!stakingInfo?.unlocking || !progress) {
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return null;
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}
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const filtered = stakingInfo.unlocking.filter(({ remainingEras, value }) => value.gtn(0) && remainingEras.gtn(0));
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if (!filtered.length) {
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return null;
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}
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const mapped = filtered.map((unlock): [DeriveUnlocking, BN] => [unlock, remainingBlocks(unlock.remainingEras, progress)]);
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const total = mapped.reduce((total, [{ value }]) => total.add(value), new BN(0));
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const trigger = `${stakingInfo.accountId}-unlocking-trigger`;
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return (
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<div className={className}>
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<Icon
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data-for={trigger}
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data-tip
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name='clock'
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/>
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<FormatBalance value={total} />
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<Tooltip
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text={mapped.map(([{ value }, blocks], index): React.ReactNode => (
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<div
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className='row'
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key={index}
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>
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<div>{t('Unbonding {{value}}, ', { replace: { value: formatBalance(value, { forceUnit: '-' }) } })}</div>
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<BlockToTime
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blocks={blocks}
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label={`${t('{{blocks}} blocks', { replace: { blocks: formatNumber(blocks) } })}, `}
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/>
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</div>
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))}
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trigger={trigger}
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/>
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</div>
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);
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}
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export default React.memo(styled(StakingUnbonding)`
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white-space: nowrap;
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i.icon {
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margin-left: 0;
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margin-right: 0.25rem;
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}
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.ui--FormatBalance {
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display: inline-block;
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}
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`);
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