Sep 12, 2025 · The place to discuss design and usage of and changes to the Solidity programming language.

Dec 27, 2019 · For multiple inheritance, the most derived base contracts that define the same function must be specified explicitly after the override keyword. Functions with the private …

Integers in Solidity: uint256 (uint is an alias) is a unsigned integer which has: minimum value of 0 maximum value of 2^256-1 ...

Solidity implements a formal verification approach based on SMT (Satisfiability Modulo Theories) and Horn solving. The SMTChecker module automatically tries to prove that the code satisfies …

Mar 1, 2016 · I've been looking through the code of Etherdice and noticed that some variables are declared like ParserResult memory result; and I haven't found the keyword …

Jul 4, 2017 · The difference is because in public functions, Solidity immediately copies array arguments to memory, while external functions can read directly from calldata. Memory …

What does the "indexed" keyword do in the below line of code? I'm guessing it just tells the event object that the following input should be logged? Can we use it other places ie outside of event...

Mar 20, 2021 · The easiest and fastest way to start coding Solidity is using , which is a web-based IDE that allows you to code and compile smart contracts without the need of installing anything …

Mar 15, 2024 · Introducing the newest version of the Solidity Compiler v0.8.25. This is a minor release following the Dencun hard-fork on Ethereum mainnet that occurred on March 13, 2024 …

msg.value is a member of the msg (message) object when sending (state transitioning) transactions on the Ethereum network. msg.value contains the amount of wei (ether / 1e18) …