35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
// Copyright 2017-2021 @polkadot/react-hooks authors & contributors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
import type { SubmittableExtrinsicFunction } from '@polkadot/api/types';
|
|
import type { SignedBlockExtended } from '@polkadot/api-derive/types';
|
|
|
|
import { useEffect, useState } from 'react';
|
|
|
|
import { isString } from '@polkadot/util';
|
|
|
|
import { useApi } from './useApi';
|
|
import { useCall } from './useCall';
|
|
import { useIsMountedRef } from './useIsMountedRef';
|
|
|
|
type ExtrinsicCheck = SubmittableExtrinsicFunction<'promise'> | string | false | undefined | null;
|
|
|
|
export function useExtrinsicTrigger (checks: ExtrinsicCheck[]): string {
|
|
const { api } = useApi();
|
|
const [trigger, setTrigger] = useState('0x00');
|
|
const mountedRef = useIsMountedRef();
|
|
const block = useCall<SignedBlockExtended>(api.derive.chain.subscribeNewBlocks);
|
|
|
|
useEffect((): void => {
|
|
mountedRef.current && block && block.extrinsics && block.extrinsics.filter(({ extrinsic }) =>
|
|
extrinsic && checks.some((check) => check && (
|
|
isString(check)
|
|
? extrinsic.method.section === check
|
|
: check.is(extrinsic)
|
|
))
|
|
).length && setTrigger(() => block.createdAtHash?.toHex() || '0x00');
|
|
}, [block, checks, mountedRef]);
|
|
|
|
return trigger;
|
|
}
|