59 lines
1.8 KiB
TypeScript
59 lines
1.8 KiB
TypeScript
// Copyright 2017-2021 @polkadot/react-hooks authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { Option } from '@polkadot/types';
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import type { AccountId, StakingLedger } from '@polkadot/types/interfaces';
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import { useMemo } from 'react';
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import { useAccounts } from './useAccounts';
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import { useApi } from './useApi';
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import { useCall } from './useCall';
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type IsInKeyring = boolean;
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function getStashes (allAccounts: string[], ownBonded: Option<AccountId>[], ownLedger: Option<StakingLedger>[]): [string, IsInKeyring][] {
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const result: [string, IsInKeyring][] = [];
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ownBonded.forEach((value, index): void => {
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value.isSome && result.push([allAccounts[index], true]);
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});
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ownLedger.forEach((ledger): void => {
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if (ledger.isSome) {
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const stashId = ledger.unwrap().stash.toString();
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!result.some(([accountId]) => accountId === stashId) && result.push([stashId, false]);
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}
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});
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return result;
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}
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export function useOwnStashes (): [string, IsInKeyring][] | undefined {
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const { allAccounts, hasAccounts } = useAccounts();
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const { api } = useApi();
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const ownBonded = useCall<Option<AccountId>[]>(hasAccounts && api.query.staking?.bonded.multi, [allAccounts]);
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const ownLedger = useCall<Option<StakingLedger>[]>(hasAccounts && api.query.staking?.ledger.multi, [allAccounts]);
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return useMemo(
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() => hasAccounts
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? ownBonded && ownLedger
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? getStashes(allAccounts, ownBonded, ownLedger)
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: undefined
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: [],
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[allAccounts, hasAccounts, ownBonded, ownLedger]
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);
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}
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export function useOwnStashIds (): string[] | undefined {
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const ownStashes = useOwnStashes();
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return useMemo(
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() => ownStashes
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? ownStashes.map(([stashId]) => stashId)
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: undefined,
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[ownStashes]
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);
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}
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