26 lines
1005 B
TypeScript
26 lines
1005 B
TypeScript
// Copyright 2017-2022 @polkadot/app-staking authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { DeriveHasIdentity } from '@polkadot/api-derive/types';
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import { createNamedHook, useApi, useCall } from '@polkadot/react-hooks';
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function transformIdentity ([[validatorIds], hasIdentities]: [[string[]], DeriveHasIdentity[]]): Record<string, DeriveHasIdentity> {
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return validatorIds.reduce((result: Record<string, DeriveHasIdentity>, validatorId, index): Record<string, DeriveHasIdentity> => {
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result[validatorId] = hasIdentities[index];
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return result;
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}, {});
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}
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type Result = Record<string, DeriveHasIdentity>;
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function useIdentitiesImpl (validatorIds: string[] = []): Result | undefined {
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const { api } = useApi();
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const allIdentity = useCall<Result>(api.derive.accounts.hasIdentityMulti, [validatorIds], { transform: transformIdentity, withParamsTransform: true });
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return allIdentity;
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}
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export default createNamedHook('useIdentities', useIdentitiesImpl);
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