3 نوع متغیر در Solidity وجود دارد
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
contract Variables {
// State variables are stored on the blockchain.
string public text = "Hello";
uint256 public num = 123;
function doSomething() public {
// Local variables are not saved to the blockchain.
uint256 i = 456;
// Here are some global variables
uint256 timestamp = block.timestamp; // Current block timestamp
address sender = msg.sender; // address of the caller
}
}