The Standard

Summary

Vulnerability Details:

In the whole contracts, there is no check whether two different tokens with the same symbol are added or not, and as a result, since the comparison in the function is based on the symbol, it always finds the first token with a similar symbol and return it as output, and as a result, wrong information may be sent to the user or other functions.

Impact

Tools Used

Manual

Recommendations

Using another method to find tokens or preventing adding token with same symbol.