Jaco Greeff
9ba91a3851
* Use forkJoin for entries() retrieval * Some current and validator retrieval opts * Remove duplicate filtering
25 lines
947 B
TypeScript
25 lines
947 B
TypeScript
// Copyright 2017-2020 @polkadot/api-derive 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 { AccountId } from '@polkadot/types/interfaces';
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import { ApiInterfaceRx } from '@polkadot/api/types';
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import { DeriveCouncilVote } from '../types';
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import { Observable } from 'rxjs';
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import { map } from 'rxjs/operators';
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import { memo } from '../util';
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export function votesOf (api: ApiInterfaceRx): (accountId: string | Uint8Array | AccountId) => Observable<DeriveCouncilVote> {
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return memo((accountId: string | Uint8Array | AccountId): Observable<DeriveCouncilVote> =>
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api.derive.council.votes().pipe(
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map((votes): DeriveCouncilVote =>
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(
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votes.find(([from]) => from.eq(accountId)) ||
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[null, { stake: api.registry.createType('Balance'), votes: [] as AccountId[] }]
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)[1]
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)
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)
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);
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}
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