Jaco
ff3882f5f7
* Bump common (w/ rxjs 7) * Adjust * pre bump * Cleanup imports * Add missing switchMap * CHANGELOG * Remove duplicate imports * Bump common * Direct rxjs import
70 lines
2.5 KiB
TypeScript
70 lines
2.5 KiB
TypeScript
// Copyright 2017-2021 @polkadot/api-derive authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { Observable } from 'rxjs';
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import type { ApiInterfaceRx } from '@polkadot/api/types';
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import type { Vec } from '@polkadot/types';
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import type { AccountId, Address, Balance } from '@polkadot/types/interfaces';
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import type { ITuple } from '@polkadot/types/types';
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import type { DeriveAccountFlags } from '../types';
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import { combineLatest, map, of } from 'rxjs';
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import { memo } from '../util';
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type FlagsIntermediate = [
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Vec<ITuple<[AccountId, Balance]>> | undefined,
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AccountId[],
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AccountId[],
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AccountId[],
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AccountId | undefined
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];
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function parseFlags (address: AccountId | Address | string | null | undefined, [electionsMembers, councilMembers, technicalCommitteeMembers, societyMembers, sudoKey]: FlagsIntermediate): DeriveAccountFlags {
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const isIncluded = (id: AccountId | Address | string) =>
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address
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? id.toString() === address.toString()
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: false;
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return {
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isCouncil: (electionsMembers?.map(([id]: ITuple<[AccountId, Balance]>) => id) || councilMembers || []).some(isIncluded),
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isSociety: (societyMembers || []).some(isIncluded),
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isSudo: sudoKey?.toString() === address?.toString(),
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isTechCommittee: (technicalCommitteeMembers || []).some(isIncluded)
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};
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}
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/**
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* @name info
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* @description Returns account membership flags
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*/
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export function flags (instanceId: string, api: ApiInterfaceRx): (address?: AccountId | Address | string | null) => Observable<DeriveAccountFlags> {
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return memo(instanceId, (address?: AccountId | Address | string | null): Observable<DeriveAccountFlags> => {
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const councilSection = api.query.phragmenElection
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? 'phragmenElection'
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: api.query.electionsPhragmen
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? 'electionsPhragmen'
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: 'elections';
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return combineLatest([
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address && api.query[councilSection]?.members
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? api.query[councilSection].members<Vec<ITuple<[AccountId, Balance]>>>()
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: of(undefined),
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address && api.query.council?.members
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? api.query.council.members()
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: of([]),
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address && api.query.technicalCommittee?.members
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? api.query.technicalCommittee.members()
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: of([]),
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address && api.query.society?.members
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? api.query.society.members()
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: of([]),
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address && api.query.sudo?.key
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? api.query.sudo.key()
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: of(undefined)
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]).pipe(
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map((result) => parseFlags(address, result))
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);
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});
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}
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