* Using extcodehash instead of extcodesize for less gas `extcodehash` uses less gas then `extcodesize`. You can tell which address is a contract by the hash (see EIP-1052). * Fix * Add explainer * Update Address.sol * add changelog entry
title, sections
| title | sections | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Utilities |
|
Miscellaneous contracts containing utility functions, often related to working with different data types.