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Calculate payouts per batch via weights (#3734)

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Jaco Greeff 2020-09-21 20:26:26 +02:00 committed by GitHub
parent ea78d4b989
commit 2b81134a8c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 11 deletions
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41
packages/page-staking/src/Payouts/PayButton.tsx
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@ -9,13 +9,10 @@ import React, { useState, useEffect } from 'react';
import styled from 'styled-components';
import { ApiPromise } from '@polkadot/api';
import { AddressMini, Button, Modal, InputAddress, Static, TxButton } from '@polkadot/react-components';
import { useApi, useToggle } from '@polkadot/react-hooks';
import { useApi, useAccounts, useToggle } from '@polkadot/react-hooks';
import { useTranslation } from '../translate';
const DEFAULT_BATCH = 36;
const DEFAULT_PAYOUTS = 64;
interface Props {
className?: string;
isAll?: boolean;
@ -29,8 +26,6 @@ interface SinglePayout {
}
function createExtrinsic (api: ApiPromise, payout: PayoutValidator | PayoutValidator[], maxPayouts: number): SubmittableExtrinsic<'promise'> | null {
const batchSize = DEFAULT_BATCH * DEFAULT_PAYOUTS / maxPayouts;
if (Array.isArray(payout)) {
if (payout.length === 1) {
return createExtrinsic(api, payout[0], maxPayouts);
@ -46,7 +41,7 @@ function createExtrinsic (api: ApiPromise, payout: PayoutValidator | PayoutValid
return payouts;
}, [])
.sort((a, b) => a.era.cmp(b.era))
.filter((_, index) => index < batchSize)
.filter((_, index) => index < maxPayouts)
.map(({ era, validatorId }) => api.tx.staking.payoutStakers(validatorId, era))
);
}
@ -58,23 +53,47 @@ function createExtrinsic (api: ApiPromise, payout: PayoutValidator | PayoutValid
: api.tx.utility.batch(
eras
.sort((a, b) => a.era.cmp(b.era))
.filter((_, index) => index < batchSize)
.filter((_, index) => index < maxPayouts)
.map(({ era }) => api.tx.staking.payoutStakers(validatorId, era))
);
}
function PayButton ({ className, isAll, isDisabled, payout }: Props): React.ReactElement<Props> {
const { api } = useApi();
const { t } = useTranslation();
const { api } = useApi();
const { allAccounts } = useAccounts();
const [isVisible, togglePayout] = useToggle();
const [accountId, setAccount] = useState<string | null>(null);
const [extrinsic, setExtrinsic] = useState<SubmittableExtrinsic<'promise'> | null>(null);
const [maxPayouts, setMaxPayouts] = useState(0);
useEffect((): void => {
if (api.tx.utility && allAccounts.length && payout && (!Array.isArray(payout) || payout.length !== 0)) {
const { eras, validatorId } = Array.isArray(payout)
? payout[0]
: payout;
api.tx.staking
.payoutStakers(validatorId, eras[0].era)
.paymentInfo(allAccounts[0])
.then((info) => setMaxPayouts(Math.floor(
// 65% of the block weight on a single extrinsic (64 for safety)
api.consts.system.maximumBlockWeight.muln(64).div(info.weight).toNumber() / 100
)))
.catch(console.error);
} else {
// at 64 payouts we can fit in 36 (as per tests)
setMaxPayouts(Math.floor(
36 * 64 / (api.consts.staking.maxNominatorRewardedPerValidator?.toNumber() || 64)
));
}
}, [allAccounts, api, payout]);
useEffect((): void => {
api.tx.utility && payout && setExtrinsic(
() => createExtrinsic(api, payout, api.consts.staking.maxNominatorRewardedPerValidator?.toNumber() || DEFAULT_PAYOUTS)
() => createExtrinsic(api, payout, maxPayouts)
);
}, [api, isDisabled, payout]);
}, [api, maxPayouts, payout]);
const isPayoutEmpty = !payout || (Array.isArray(payout) && payout.length === 0);