@ledgerhq/live-common/lib-es/exchange/swap/hooks/useReverseAccounts.js

Common ground for the Ledger Live apps

import { useCallback, useMemo } from "react";
import { flattenAccounts } from "../../../account";
export const useReverseAccounts = ({ accounts, toAccount, fromAccount, fromParentAccount, fromCurrency, setFromAccount, setToAccount, }) => {
    const isSwapReversable = useMemo(() => {
        if (!toAccount || !fromCurrency)
            return false;
        const allAccounstWithSub = accounts ? flattenAccounts(accounts) : [];
        const isToSwappable = !!allAccounstWithSub.find(account => account.id === toAccount?.id);
        return isToSwappable;
    }, [toAccount, fromCurrency, accounts]);
    const reverseSwap = useCallback(() => {
        if (isSwapReversable === false)
            return;
        setFromAccount(toAccount);
        setToAccount(fromCurrency, fromAccount, fromParentAccount);
    }, [
        toAccount,
        fromCurrency,
        fromAccount,
        fromParentAccount,
        setFromAccount,
        setToAccount,
        isSwapReversable,
    ]);
    return {
        isSwapReversable,
        reverseSwap,
    };
};
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