Jan 29, 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 visibility cannot be …

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 "memory" in …

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...

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 allocation is expensive, …

Sep 3, 2021 · When you write a struct in Solidity, it gets mapped as tuple in the ABI. The actual structure of the struct can be seen in the components field (which may be recursive). In your case, the struct …

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 else. …

I am trying to publish contracts on etherscan on an already deployed address. How would I "flatten" these imported files; import "@openzeppelin/contracts/access ...

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

May 15, 2023 · I'm new to Solidity and it's my first try to write a smart contract using Openzeppelin, Pancakeswap and BEP20 libraries basically to make a BEP-20 token. When i try to deploy the smart …