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35 lines
1.4 KiB
35 lines
1.4 KiB
import { useEffect, useCallback } from 'react';
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import { useDispatch, useSelector } from 'react-redux';
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import { getContractMethodData as getContractMethodDataAction } from '../store/actions';
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import { getKnownMethodData } from '../selectors/selectors';
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/**
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* Access known method data and attempt to resolve unknown method data
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*
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* encapsulates an effect that will fetch methodData when the component mounts,
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* and subsequently anytime the provided data attribute changes. Note that
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* the getContractMethodData action handles over-fetching prevention, first checking
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* if the data is in the store and returning it directly. While using this hook
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* in multiple places in a tree for the same data will create extra event ticks and
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* hit the action more frequently, it should only ever result in a single store update
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* @param {string} data - the transaction data to find method data for
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* @return {Object} contract method data
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*/
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export function useMethodData(data) {
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const dispatch = useDispatch();
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const knownMethodData = useSelector((state) =>
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getKnownMethodData(state, data),
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);
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const getContractMethodData = useCallback(
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(methodData) => dispatch(getContractMethodDataAction(methodData)),
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[dispatch],
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);
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useEffect(() => {
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if (data) {
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getContractMethodData(data);
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}
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}, [getContractMethodData, data]);
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return knownMethodData;
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}
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