Valentin Fernandez
ed62d164ea
* document derives from accounts to democracy * Derive Documentation progress * Derive Documentation progress * tx and staking docs * Staking docs progress * more staking docs * Staking module complete * imonline, elections and progress in democracy * Document missing derives * lint
91 lines
3.1 KiB
TypeScript
91 lines
3.1 KiB
TypeScript
// Copyright 2017-2025 @polkadot/api-derive authors & contributors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
import type { Observable } from 'rxjs';
|
|
import type { AccountId, Address, Balance } from '@polkadot/types/interfaces';
|
|
import type{ PalletElectionsPhragmenSeatHolder } from '@polkadot/types/lookup';
|
|
import type { Codec } from '@polkadot/types/types';
|
|
import type { Option } from '@polkadot/types-codec';
|
|
import type { DeriveAccountFlags, DeriveApi } from '../types.js';
|
|
|
|
import { map, of } from 'rxjs';
|
|
|
|
import { isFunction } from '@polkadot/util';
|
|
|
|
import { memo } from '../util/index.js';
|
|
|
|
type FlagsIntermediate = [
|
|
PalletElectionsPhragmenSeatHolder[] | [AccountId, Balance][] | undefined,
|
|
AccountId[],
|
|
AccountId[],
|
|
AccountId[],
|
|
Option<AccountId> | AccountId | undefined
|
|
];
|
|
|
|
function parseFlags (address: AccountId | Address | string | null | undefined, [electionsMembers, councilMembers, technicalCommitteeMembers, societyMembers, sudoKey]: FlagsIntermediate): DeriveAccountFlags {
|
|
const addrStr = address?.toString();
|
|
const isIncluded = (id: AccountId | Address | string) =>
|
|
id.toString() === addrStr;
|
|
|
|
return {
|
|
isCouncil: (electionsMembers?.map((r) => Array.isArray(r) ? r[0] : r.who) || councilMembers || []).some(isIncluded),
|
|
isSociety: (societyMembers || []).some(isIncluded),
|
|
isSudo: sudoKey?.toString() === addrStr,
|
|
isTechCommittee: (technicalCommitteeMembers || []).some(isIncluded)
|
|
};
|
|
}
|
|
|
|
export function _flags (instanceId: string, api: DeriveApi): () => Observable<FlagsIntermediate> {
|
|
return memo(instanceId, (): Observable<FlagsIntermediate> => {
|
|
const results: unknown[] = [undefined, [], [], [], undefined];
|
|
const calls = [
|
|
(api.query.elections || api.query['phragmenElection'] || api.query['electionsPhragmen'])?.members,
|
|
api.query.council?.members,
|
|
api.query.technicalCommittee?.members,
|
|
api.query.society?.members,
|
|
api.query.sudo?.key
|
|
];
|
|
const filtered = calls.filter((c) => c);
|
|
|
|
if (!filtered.length) {
|
|
return of(results as FlagsIntermediate);
|
|
}
|
|
|
|
return api.queryMulti(filtered).pipe(
|
|
map((values: Codec[]): FlagsIntermediate => {
|
|
let resultIndex = -1;
|
|
|
|
for (let i = 0, count = calls.length; i < count; i++) {
|
|
if (isFunction(calls[i])) {
|
|
results[i] = values[++resultIndex];
|
|
}
|
|
}
|
|
|
|
return results as FlagsIntermediate;
|
|
})
|
|
);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @name flags
|
|
* @param {(AccountId | Address | string | null)} address The account identifier.
|
|
* @description Retrieves the membership flags for a given account.
|
|
* @example
|
|
* const ALICE = "F7Hs";
|
|
*
|
|
* api.derive.accounts.flags(ALICE, (flags) => {
|
|
* console.log(
|
|
* `Account Flags:`,
|
|
* Object.keys(flags).map((flag) => `${flag}: ${flags[flag]}`)
|
|
* );
|
|
* });
|
|
*/
|
|
export function flags (instanceId: string, api: DeriveApi): (address?: AccountId | Address | string | null) => Observable<DeriveAccountFlags> {
|
|
return memo(instanceId, (address?: AccountId | Address | string | null): Observable<DeriveAccountFlags> =>
|
|
api.derive.accounts._flags().pipe(
|
|
map((r) => parseFlags(address, r))
|
|
)
|
|
);
|
|
}
|