Jaco Greeff
161c121cb2
* Cleanups for maintainability * Split referendumsInfo * Extract didUpdate -> bool * Era filtering * Default to council * Points cache * Remove cache * Move map arg
51 lines
1.8 KiB
TypeScript
51 lines
1.8 KiB
TypeScript
// Copyright 2017-2020 @polkadot/api-derive authors & contributors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
import { ParaId } from '@polkadot/types/interfaces';
|
|
import { DeriveParachain, DeriveParachainInfo } from '../types';
|
|
import { DidUpdate, ParaInfoResult, PendingSwap, RelayDispatchQueueSize } from './types';
|
|
|
|
import { Observable, combineLatest, of } from 'rxjs';
|
|
import { map, switchMap } from 'rxjs/operators';
|
|
import { ApiInterfaceRx } from '@polkadot/api/types';
|
|
|
|
import { memo } from '../util';
|
|
import { didUpdateToBool } from './util';
|
|
|
|
type Result = [
|
|
ParaId[],
|
|
DidUpdate,
|
|
ParaInfoResult[],
|
|
PendingSwap[],
|
|
RelayDispatchQueueSize[]
|
|
];
|
|
|
|
function parse ([ids, didUpdate, infos, pendingSwaps, relayDispatchQueueSizes]: Result): DeriveParachain[] {
|
|
return ids.map((id, index): DeriveParachain => ({
|
|
didUpdate: didUpdateToBool(didUpdate, id),
|
|
id,
|
|
info: { id, ...infos[index].unwrapOr(null) } as DeriveParachainInfo,
|
|
pendingSwapId: pendingSwaps[index].unwrapOr(null),
|
|
relayDispatchQueueSize: relayDispatchQueueSizes[index][0].toNumber()
|
|
}));
|
|
}
|
|
|
|
export function overview (instanceId: string, api: ApiInterfaceRx): () => Observable<DeriveParachain[]> {
|
|
return memo(instanceId, (): Observable<DeriveParachain[]> =>
|
|
api.query.registrar?.parachains && api.query.parachains
|
|
? api.query.registrar.parachains<ParaId[]>().pipe(
|
|
switchMap((paraIds) =>
|
|
combineLatest([
|
|
of(paraIds),
|
|
api.query.parachains.didUpdate<DidUpdate>(),
|
|
api.query.registrar.paras.multi<ParaInfoResult>(paraIds),
|
|
api.query.registrar.pendingSwap.multi<PendingSwap>(paraIds),
|
|
api.query.parachains.relayDispatchQueueSize.multi<RelayDispatchQueueSize>(paraIds)
|
|
])
|
|
),
|
|
map(parse)
|
|
)
|
|
: of([] as DeriveParachain[])
|
|
);
|
|
}
|