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User latest era only for global staking counter (#2382)

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Jaco Greeff 2020-03-13 22:17:09 +01:00 committed by GitHub
parent b464545dde
commit d1ef960c40
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 24 additions and 15 deletions
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2
packages/page-staking/src/useCounter.ts
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@ -5,7 +5,7 @@
import { useOwnEraRewards } from '@polkadot/react-hooks';
export default function useCounter (): number {
const { rewardCount } = useOwnEraRewards();
const { rewardCount } = useOwnEraRewards(true);
return rewardCount;
}

37
packages/react-hooks/src/useOwnEraRewards.ts
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@ -2,7 +2,7 @@
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { DerivedStakingQuery, DeriveStakerReward } from '@polkadot/api-derive/types';
import { DeriveSessionIndexes, DerivedStakingQuery, DeriveStakerReward } from '@polkadot/api-derive/types';
import { EraIndex } from '@polkadot/types/interfaces';
import { useEffect, useState } from 'react';
@ -17,24 +17,33 @@ interface OwnRewards {
rewardCount: number;
}
function useNextPayouts (): [string, EraIndex][] | undefined {
const { api } = useApi();
function useNextPayouts (onlyLatest?: boolean): [string, BN][] | undefined {
const { api, isApiReady } = useApi();
const stashIds = useOwnStashIds();
const allInfo = useCall<DerivedStakingQuery[]>(stashIds && api.derive.staking?.queryMulti, stashIds);
const [nextPayouts, setNextPayouts] = useState<[string, EraIndex][] | undefined>();
const allInfo = useCall<DerivedStakingQuery[]>(isApiReady && stashIds && api.derive.staking?.queryMulti, stashIds);
const indexes = useCall<DeriveSessionIndexes>(isApiReady && api.derive.session.indexes, []);
const [nextPayouts, setNextPayouts] = useState<[string, BN][] | undefined>();
useEffect((): void => {
stashIds && allInfo && setNextPayouts(
allInfo
.map(({ stakingLedger }, index) => [stashIds[index], stakingLedger?.lastReward?.unwrapOr(new BN(-1)).addn(1)])
.filter((value): value is [string, EraIndex] => !!value[1])
);
}, [allInfo, stashIds]);
if (stashIds) {
if (onlyLatest) {
indexes && setNextPayouts(
stashIds.map((stashId) => [stashId, indexes.activeEra.subn(1)])
);
} else if (allInfo) {
setNextPayouts(
allInfo
.map(({ stakingLedger }, index) => [stashIds[index], stakingLedger?.lastReward?.unwrapOr(new BN(-1)).addn(1)])
.filter((value): value is [string, EraIndex] => !!value[1])
);
}
}
}, [allInfo, indexes, onlyLatest, stashIds]);
return nextPayouts;
}
function getRewards ([thesePayouts, theseRewards]: [[string, EraIndex][], DeriveStakerReward[][]], nextPayouts: [string, EraIndex][]): OwnRewards {
function getRewards ([thesePayouts, theseRewards]: [[string, EraIndex][], DeriveStakerReward[][]], nextPayouts: [string, BN][]): OwnRewards {
const allRewards = theseRewards.reduce((result: Record<string, DeriveStakerReward[]>, rewards, index): Record<string, DeriveStakerReward[]> => {
const [stashId] = thesePayouts[index];
const nextPayout = nextPayouts.find(([thisId]) => thisId === stashId);
@ -52,9 +61,9 @@ function getRewards ([thesePayouts, theseRewards]: [[string, EraIndex][], Derive
};
}
export default function useOwnEraRewards (): OwnRewards {
export default function useOwnEraRewards (onlyLatest?: boolean): OwnRewards {
const { api } = useApi();
const nextPayouts = useNextPayouts();
const nextPayouts = useNextPayouts(onlyLatest);
const available = useCall<[[string, EraIndex][], DeriveStakerReward[][]]>(nextPayouts && api.derive.staking?.stakerRewardsMulti as any, nextPayouts, { withParams: true });
const [state, setState] = useState<OwnRewards>({ rewardCount: 0 });