The Raffle.sol contract is a smart contract for a decentralized lottery system that uses Chainlink VRF to generate random numbers in a secure and verifiable manner. It's designed to ensure fairness and transparency in the selection of a winner, with various mechanisms in place to prevent manipulation and ensure the integrity of the raffle process.
CEI Design
- Checks(safety, gas efficiency)
- Effects
- Interactions
Pragma statements
Import statements
Events
Errors
Interfaces
Libraries
Contracts
Inside each contract, library or interface, use the following order:
Type declarations
State variables
Events
Errors
Modifiers
Functions
constructor
receive function (if exists)
fallback function (if exists)
external
public
internal
private