Avalanche Developer Learning Path

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract AvalancheGreeter {
    // Storage variable to hold greeting message
    string private greeting;
    
    // Events
    event GreetingSet(address indexed setter, string greeting);
    
    // Constructor sets initial greeting
    constructor(string memory _greeting) {
        greeting = _greeting;
    }
    
    // Set a new greeting
    function setGreeting(string memory _greeting) public {
        greeting = _greeting;
        emit GreetingSet(msg.sender, _greeting);
    }
    
    // Get current greeting
    function getGreeting() public view returns (string memory) {
        return greeting;
    }
    
    // Special Avalanche feature example
    function getChainID() public view returns (uint256) {
        uint256 id;
        assembly {
            id := chainid()
        }
        return id;
    }
}