Function: convertTokens()

The function converts a specified amount of tokenA to tokenB at a predefined conversion rate, transferring tokenA from the user to the contract and sending the equivalent amount of tokenB to the user.

Inputs

• _amountA

  • Validation: The caller should have enough tokens to convert.

  • Impact: The amount of tokenA to send to this contract.

Branches and code coverage (including function calls)

Intended branches

Negative behavior

Function call analysis

• tokenA.safeTransferFrom(msg.sender, address(this), _amountA)

  • External/Internal? External.

  • Argument control: _amountA.

  • Impact: Collects _amountA of tokenA needed for the token conversion.

• tokenB.safeTransfer(msg.sender, amountB);

  • External/Internal? External.

  • Argument control: amountB.

  • Impact: Sends amountB of tokenB, which is the equivalent amount after conversion, to the user.