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Only check crowdloan prefix for detection (#7358)

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Jaco 2022-04-12 08:02:20 +02:00 committed by GitHub
parent ac64b5993d
commit a64b7fa2ab
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1 changed files with 12 additions and 12 deletions
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24
packages/page-parachains/src/useFunds.ts
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@ -4,13 +4,13 @@
import type { Option, StorageKey } from '@polkadot/types';
import type { AccountId, BalanceOf, BlockNumber, ParaId } from '@polkadot/types/interfaces';
import type { PolkadotRuntimeCommonCrowdloanFundInfo } from '@polkadot/types/lookup';
import type { ITuple } from '@polkadot/types/types';
import type { INumber, ITuple } from '@polkadot/types/types';
import type { Campaign, Campaigns } from './types';
import { useEffect, useState } from 'react';
import { createNamedHook, useApi, useBestNumber, useCall, useEventTrigger, useIsMountedRef, useMapKeys } from '@polkadot/react-hooks';
import { BN, BN_ZERO, u8aConcat } from '@polkadot/util';
import { BN, BN_ZERO, u8aConcat, u8aEq } from '@polkadot/util';
import { encodeAddress } from '@polkadot/util-crypto';
import { CROWD_PREFIX } from './constants';
@ -25,12 +25,12 @@ const EMPTY: Campaigns = {
const EMPTY_U8A = new Uint8Array(32);
function createAddress (paraId: ParaId): Uint8Array {
return u8aConcat(CROWD_PREFIX, paraId.toU8a(), EMPTY_U8A).subarray(0, 32);
function createAddress (id: INumber): Uint8Array {
return u8aConcat(CROWD_PREFIX, id.toU8a(), EMPTY_U8A).subarray(0, 32);
}
function isCrowdloadAccount (paraId: ParaId, accountId: AccountId): boolean {
return accountId.eq(createAddress(paraId));
function hasCrowdloadPrefix (accountId: AccountId): boolean {
return u8aEq(accountId.slice(0, CROWD_PREFIX.length), CROWD_PREFIX);
}
function hasLease (paraId: ParaId, leased: ParaId[]): boolean {
@ -111,7 +111,7 @@ function createResult (bestNumber: BlockNumber, minContribution: BN, funds: Camp
};
}
const OPT_FUND = {
const OPT_FUNDS_MULTI = {
transform: ([[paraIds], optFunds]: [[ParaId[]], Option<PolkadotRuntimeCommonCrowdloanFundInfo>[]]): Campaign[] =>
paraIds
.map((paraId, i): [ParaId, PolkadotRuntimeCommonCrowdloanFundInfo | null] => [paraId, optFunds[i].unwrapOr(null)])
@ -137,17 +137,17 @@ const OPT_FUND = {
const OPT_LEASE = {
transform: ([[paraIds], leases]: [[ParaId[]], Option<ITuple<[AccountId, BalanceOf]>>[][]]): ParaId[] =>
paraIds.filter((paraId, i) =>
paraIds.filter((_, i) =>
leases[i]
.map((o) => o.unwrapOr(null))
.filter((v): v is ITuple<[AccountId, BalanceOf]> => !!v)
.filter(([accountId]) => isCrowdloadAccount(paraId, accountId))
.filter(([accountId]) => hasCrowdloadPrefix(accountId))
.length !== 0
),
withParamsTransform: true
};
const fundOpts = {
const OPT_FUNDS = {
transform: (keys: StorageKey<[ParaId]>[]): ParaId[] =>
keys.map(({ args: [paraId] }) => paraId)
};
@ -157,8 +157,8 @@ function useFundsImpl (): Campaigns {
const bestNumber = useBestNumber();
const mountedRef = useIsMountedRef();
const trigger = useEventTrigger([api.events.crowdloan?.Created]);
const paraIds = useMapKeys(api.query.crowdloan?.funds, fundOpts, trigger.blockHash);
const campaigns = useCall<Campaign[]>(api.query.crowdloan?.funds.multi, [paraIds], OPT_FUND);
const paraIds = useMapKeys(api.query.crowdloan?.funds, OPT_FUNDS, trigger.blockHash);
const campaigns = useCall<Campaign[]>(api.query.crowdloan?.funds.multi, [paraIds], OPT_FUNDS_MULTI);
const leases = useCall<ParaId[]>(api.query.slots.leases.multi, [paraIds], OPT_LEASE);
const [result, setResult] = useState<Campaigns>(EMPTY);