60 lines
1.8 KiB
TypeScript
60 lines
1.8 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 { DeriveStakingAccount } from '@polkadot/api-derive/types';
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import { SlashingSpans } from '@polkadot/types/interfaces';
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import React from 'react';
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import { useAccounts, useApi, useCall } from '@polkadot/react-hooks';
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import { FormatBalance } from '@polkadot/react-query';
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import { Option } from '@polkadot/types';
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import TxButton from './TxButton';
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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 StakingRedeemable ({ className = '', stakingInfo }: Props): React.ReactElement<Props> | null {
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const { api } = useApi();
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const { allAccounts } = useAccounts();
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const { t } = useTranslation();
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const spanCount = useCall<number>(api.query.staking.slashingSpans, [stakingInfo?.stashId], {
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transform: (optSpans: Option<SlashingSpans>): number =>
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optSpans.isNone
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? 0
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: optSpans.unwrap().prior.length + 1
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});
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if (!stakingInfo?.redeemable?.gtn(0)) {
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return null;
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}
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return (
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<div className={className}>
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<FormatBalance value={stakingInfo.redeemable}>
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{allAccounts.includes((stakingInfo.controllerId || '').toString()) && (
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<TxButton
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accountId={stakingInfo.controllerId}
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icon='lock'
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isIcon
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key='unlock'
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params={
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api.tx.staking.withdrawUnbonded.meta.args.length === 1
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? [spanCount]
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: []
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}
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tooltip={t<string>('Withdraw these unbonded funds')}
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tx='staking.withdrawUnbonded'
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/>
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)}
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</FormatBalance>
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</div>
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);
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}
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export default React.memo(StakingRedeemable);
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