43 lines
1.5 KiB
TypeScript
43 lines
1.5 KiB
TypeScript
// Copyright 2017-2020 @polkadot/app-democracy 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 { DeriveElectionsInfo } from '@polkadot/api-derive/types';
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import { AccountId } from '@polkadot/types/interfaces';
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import { useEffect, useState } from 'react';
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import { useAccounts, useApi, useCall } from '@polkadot/react-hooks';
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interface Result {
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isMember: boolean;
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members: string[];
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}
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export default function useMembers (collective: 'council' | 'technicalCommittee' = 'council'): Result {
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const { api } = useApi();
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const { allAccounts, hasAccounts } = useAccounts();
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const [state, setState] = useState<Result>({ isMember: false, members: [] });
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const retrieved = (
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collective === 'council'
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// eslint-disable-next-line react-hooks/rules-of-hooks
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? useCall<string[]>(hasAccounts && api.derive.elections.info, [], {
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transform: ({ members }: DeriveElectionsInfo): string[] =>
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members.map(([accountId]) => accountId.toString())
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})
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// eslint-disable-next-line react-hooks/rules-of-hooks
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: useCall<string[]>(hasAccounts && api.query.technicalCommittee.members, [], {
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transform: (accounts: AccountId[]): string[] =>
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accounts.map((accountId) => accountId.toString())
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})
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);
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useEffect((): void => {
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retrieved && setState({
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isMember: retrieved.some((accountId) => allAccounts.includes(accountId)),
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members: retrieved
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});
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}, [allAccounts, retrieved]);
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return state;
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}
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