returndatabomb-study Repo dedicated to study and analyze the returndatabomb attack Principle Even if no data is retrieved while performing a low level call, RETURNDATACOPY is executed in the callers context wasting gas. References ethereum/solidity#12306 ethereum/solidity#12647 https://github.com/nomad-xyz/ExcessivelySafeCall https://ronan.eth.link/blog/ethereum-gas-dangers/