packages/page-staking2/src/Pools/useOwnPools.ts
// Copyright 2017-2024 @polkadot/app-staking authors & contributors
// SPDX-License-Identifier: Apache-2.0
import type { Option } from '@polkadot/types';
import type { PalletNominationPoolsPoolMember } from '@polkadot/types/lookup';
import type { OwnPool, OwnPoolBase } from './types.js';
import { useMemo } from 'react';
import { createNamedHook, useAccounts, useApi, useCall } from '@polkadot/react-hooks';
import { createAccounts } from './usePoolAccounts.js';
const OPT_MULTI = {
transform: ([[ids], opts]: [[string[]], Option<PalletNominationPoolsPoolMember>[]]): OwnPoolBase[] => {
const pools: OwnPoolBase[] = [];
for (let i = 0; i < ids.length; i++) {
if (opts[i].isSome) {
const member = opts[i].unwrap();
let entry = pools.find(({ poolId }) => poolId.eq(member.poolId));
if (!entry) {
entry = { members: {}, poolId: member.poolId };
pools.push(entry);
}
entry.members[ids[i]] = member;
}
}
return pools;
},
withParamsTransform: true
};
function useOwnPoolsImpl (): OwnPool[] | undefined {
const { api } = useApi();
const { allAccounts } = useAccounts();
const base = useCall(api.query.nominationPools?.poolMembers.multi, [allAccounts], OPT_MULTI);
return useMemo(
() => base?.map((base) => ({
...base,
...createAccounts(api, base.poolId)
})),
[api, base]
);
}
export default createNamedHook('useOwnPools', useOwnPoolsImpl);