Mastering Blockchain Programming with Solidity

Adjust gas for a transaction using gas

While explaining call, delegatecall, and staticcall, we learned that the gas adjustments are allowed with these calls. This means that the developer can change the value of the gas units that they would want to forward to the target contract call. We can adjust the gas units using the .gas() function.

As a developer, you must know what kind of function call you are going to make to the target contract and how many instructions or pieces of code it will execute. After understanding the behavior of the target function call, you can decide and explicitly adjust the gas units. One thing to notice is that the gas units must be sufficient enough to successfully execute all of the instructions present in the ...