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Multi query adjustments (#1732)

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This commit is contained in:
Jaco Greeff
2020-01-20 13:58:07 +01:00
committed by GitHub
parent f31bbdde02
commit eb5ee9860b
13 changed files with 98 additions and 140 deletions
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packages/api-derive/src/imOnline/receivedHeartbeats.ts
+5 -3
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@@ -17,13 +17,15 @@ import { memo } from '../util';
*/
export function receivedHeartbeats (api: ApiInterfaceRx): () => Observable<DerivedHeartbeats> {
return memo((): Observable<DerivedHeartbeats> =>
api.query.imOnline?.receivedHeartbeats && api.query.imOnline.authoredBlocks
api.query.imOnline?.receivedHeartbeats
? api.derive.staking.overview().pipe(
switchMap(({ currentIndex, validators }): Observable<[AccountId[], Option<Bytes>[], u32[]]> =>
combineLatest([
of(validators),
api.query.imOnline.receivedHeartbeats.multi<Option<Bytes>>(validators.map((_address, index): [SessionIndex, number] => [currentIndex, index])),
api.query.imOnline.authoredBlocks.multi<u32>(validators.map((address): [SessionIndex, AccountId] => [currentIndex, address]))
api.query.imOnline.receivedHeartbeats.multi<Option<Bytes>>(
validators.map((_address, index): [SessionIndex, number] => [currentIndex, index])),
api.query.imOnline.authoredBlocks.multi<u32>(
validators.map((address): [SessionIndex, AccountId] => [currentIndex, address]))
])
),
map(([validators, heartbeats, numBlocks]): DerivedHeartbeats =>