Mastering Blockchain Programming with Solidity

Generating function traces

The surya ftrace command is used to generate the function call traces. It lists all of the function calls made from the given function. The command takes the contract and the function name as an argument to find its call traces:

$ surya ftrace TokenTimelock::release all contracts/token/ERC20/*.sol

The preceding command will generate the following output in text format:

The surya ftrace output for the release() function present in the TokenTimelock contract

As shown in the preceding screenshot, the release() function, which is present in the TokenTimeLock contract, makes calls to the IERC20.balanceOf() and IERC20.safeTransfer() ...