Submitted by cccz
When tokenAddress is fee-on-transfer tokens, in the _burnTokenFrom function, the actual amount of tokens received by the contract will be less than the amount.
AxelarGateway.sol#L284-L334
Consider getting the received amount by calculating the difference of token balance (using balanceOf) before and after the transferFrom.
deluca-mike (Axelar) confirmed and commented:
For this contest, 10 reports were submitted by wardens detailing low risk and non-critical issues. The report highlighted below by IllIllI received the top score from the judge.
The following wardens also submitted reports: rayn, ilan, CertoraInc, dirk_y, delfin454000, cccz, Funen, Dravee, and rishabh.
