51 lines
1.9 KiB
TypeScript
51 lines
1.9 KiB
TypeScript
// Copyright 2017-2020 @polkadot/app-123code 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 { DeriveStakingValidators } from '@polkadot/api-derive/types';
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import { Balance, BlockNumber } from '@polkadot/types/interfaces';
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import React from 'react';
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import { Bubble, IdentityIcon } from '@polkadot/react-components';
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import { useApi, useCall } from '@polkadot/react-hooks';
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import { formatBalance, formatNumber } from '@polkadot/util';
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function SummaryBar (): React.ReactElement {
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const { api, systemChain, systemName, systemVersion } = useApi();
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const bestNumber = useCall<BlockNumber>(api.derive.chain.bestNumber, []);
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const bestNumberLag = useCall<BlockNumber>(api.derive.chain.bestNumberLag, []);
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const totalInsurance = useCall<Balance>(api.query.balances.totalIssuance, []);
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const validators = useCall<DeriveStakingValidators>(api.derive.staking.validators, []);
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return (
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<summary>
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<div>
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<Bubble icon='tty' label='node'>
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{systemName} v{systemVersion}
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</Bubble>
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<Bubble icon='chain' label='chain'>
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{systemChain}
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</Bubble>
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<Bubble icon='code' label='runtime'>
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{api.runtimeVersion.implName} v{api.runtimeVersion.implVersion.toString(10)}
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</Bubble>
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<Bubble icon='bullseye' label='best #'>
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{formatNumber(bestNumber)} ({formatNumber(bestNumberLag)} lag)
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</Bubble>
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{validators && (
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<Bubble icon='chess queen' label='validators'>{
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validators.validators.map((accountId, index): React.ReactNode => (
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<IdentityIcon key={index} value={accountId} size={20} />
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))
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}</Bubble>
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)}
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<Bubble icon='circle' label='total tokens'>
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{formatBalance(totalInsurance)}
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</Bubble>
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</div>
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</summary>
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);
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}
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export default React.memo(SummaryBar);
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