32 lines
900 B
TypeScript
32 lines
900 B
TypeScript
// Copyright 2017-2025 @polkadot/app-settings authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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// import type { RawMetadataDef } from '@polkadot/extension-inject/types';
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import type { HexString } from '@polkadot/util/types';
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import { useEffect, useState } from 'react';
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import { createNamedHook, useApi } from '@polkadot/react-hooks';
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function useRawMetadataImpl (): HexString | null {
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const { api, isApiReady } = useApi();
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const [state, setState] = useState<HexString | null>(null);
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useEffect(
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(): void => {
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isApiReady &&
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api.call.metadata.metadataAtVersion &&
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api.call.metadata.metadataAtVersion(15).then((opaque) => {
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const raw = opaque.toHex();
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setState(raw);
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}).catch(console.error);
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},
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[api, isApiReady]
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);
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return state;
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}
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export default createNamedHook('useRawMetadata', useRawMetadataImpl);
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