Submission Details
Severity:
## kittyConnect::bridgeNftToAnotherChain failed to use the return value from i_kittyBridge.bridgeNftWithData
Summary
kittyConnect::bridgeNftToAnotherChain made an external call to bridgeNftWithData in the kittyBridge contract, but it fails to use the value returned by the external call
Vulnerability Details
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if (idx < (userTokenIds.length - 1)) {
s_ownerToCatsTokenId[msg.sender][idx] = lastItem;
}
emit NFTBridgeRequestSent(block.chainid, destChainSelector, destChainBridge, tokenId);
// @audit failed to use the return value
i_kittyBridge.bridgeNftWithData(destChainSelector, destChainBridge, data);
}
Impact
Low, as it doesn't pose a threat to the user or contract. The return value is just a data.
Tools Used
Manual review/ slither
Recommendations
Ensure that all the return values of the function calls are used.
Rewards breakdown
nSLOC
235This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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