@lifi/widget
Version:
LI.FI Widget for cross-chain bridging and swapping. It will drive your multi-chain strategy and attract new users from everywhere.
57 lines • 3.18 kB
JavaScript
import { useAccount } from '@lifi/wallet-management';
import { useChain } from '../hooks/useChain.js';
import { useWidgetConfig } from '../providers/WidgetProvider/WidgetProvider.js';
import { useFieldValues } from '../stores/form/useFieldValues.js';
import { HiddenUI, RequiredUI } from '../types/widget.js';
import { isDelegationDesignatorCode } from '../utils/eip7702.js';
import { useIsContractAddress } from './useIsContractAddress.js';
export const useToAddressRequirements = (route) => {
const { requiredUI, hiddenUI } = useWidgetConfig();
const [formFromChainId, formToChainId, formToAddress] = useFieldValues('fromChain', 'toChain', 'toAddress');
const fromChainId = route?.fromChainId ?? formFromChainId;
const toChainId = route?.toChainId ?? formToChainId;
const { chain: fromChain } = useChain(fromChainId);
const { chain: toChain } = useChain(toChainId);
const { account } = useAccount({
chainType: fromChain?.chainType,
});
const fromAddress = route?.fromAddress ?? account.address;
const toAddress = route
? route.fromAddress !== route.toAddress
? route.toAddress
: formToAddress
: formToAddress;
const { isContractAddress: isFromContractAddress, contractCode: fromContractCode, isLoading: isFromContractLoading, isFetched: isFromContractFetched, } = useIsContractAddress(account.address, fromChainId, account.chainType);
const { isContractAddress: isToContractAddress, isLoading: isToContractLoading, isFetched: isToContractFetched, } = useIsContractAddress(toAddress, toChainId, toChain?.chainType);
const isDifferentChainType = fromChain && toChain && fromChain.chainType !== toChain.chainType;
// We don't want to block transfers for EIP-7702 accounts since they are designed
// to maintain EOA-like properties while delegating execution.
const fromContractCodeHasDelegationIndicator = isDelegationDesignatorCode(fromContractCode);
const isCrossChainContractAddress = isFromContractAddress &&
fromChainId !== toChainId &&
!fromContractCodeHasDelegationIndicator;
const requiredToAddress = (isDifferentChainType ||
isCrossChainContractAddress ||
requiredUI?.includes(RequiredUI.ToAddress)) &&
!hiddenUI?.includes(HiddenUI.ToAddress);
const accountNotDeployedAtDestination = isFromContractAddress &&
!fromContractCodeHasDelegationIndicator &&
!isToContractAddress &&
fromAddress?.toLowerCase() === toAddress?.toLowerCase();
const accountDeployedAtDestination = isFromContractAddress &&
isToContractAddress &&
!fromContractCodeHasDelegationIndicator &&
fromAddress?.toLowerCase() === toAddress?.toLowerCase();
return {
requiredToAddress,
requiredToChainType: toChain?.chainType,
accountNotDeployedAtDestination,
accountDeployedAtDestination,
toAddress,
isFromContractAddress,
isToContractAddress,
isLoading: isFromContractLoading || isToContractLoading,
isFetched: isFromContractFetched && isToContractFetched,
};
};
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