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metamask-extension/ui/app/hooks/useTokenData.js
Brad Decker 706dc02cb4
Implement new transaction list design (#8564)
Co-authored-by: Whymarrh Whitby <whymarrh.whitby@gmail.com>
Co-authored-by: Mark Stacey <markjstacey@gmail.com>
2020-05-26 15:49:11 -05:00

24 lines
1.0 KiB
JavaScript

import { useMemo } from 'react'
import { getTokenData } from '../helpers/utils/transactions.util'
/**
* useTokenData
* Given the data string from txParams return a decoded object of the details of the
* transaction data.
* @param {string} [transactionData] - Raw data string from token transaction
* @param {boolean} [isTokenTransaction] - Due to the nature of hooks, it isn't possible
* to conditionally call this hook. This flag will
* force this hook to return null if it set as false
* which indicates the transaction is not associated
* with a token.
* @return {Object} - Decoded token data
*/
export function useTokenData (transactionData, isTokenTransaction = true) {
return useMemo(() => {
if (!isTokenTransaction || !transactionData) {
return null
}
return getTokenData(transactionData)
}, [isTokenTransaction, transactionData])
}