BuidlGuidl.eth(@buidlguidl):Solidity error handling, by gas cost: • `require(cond, "msg")` — ~50 gas per byte in the message string • `revert SomeError(arg)` — ~22 gas per call + a 4-byte selector Etherscan decodes named errors with their args. require strings are just opaque bytes in the revert data.

BuidlGuidl.eth

@buidlguidl

Building products, tools, and tutorials for the Ethereum ecosystem. 👉 👉

Joined November 2021

263 Following 6.9K Followers

BuidlGuidl.eth@buidlguidl

2026.05.15 15:00

Solidity error handling, by gas cost: • `require(cond, "msg")` — ~50 gas per byte in the message string • `revert SomeError(arg)` — ~22 gas per call + a 4-byte selector Etherscan decodes named errors with their args. require strings are just opaque bytes in the revert data.