Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

contract SimpleICO {
    address public owner;
    uint256 public tokenPrice = 0.001 ether;
    uint256 public tokensSold;
    uint256 public constant TOTAL_SUPPLY = 1000000 * 10**18; // 1 million tokens
    
    mapping(address => uint256) public balances;
    
    event TokensPurchased(address buyer, uint256 amount);
    
    constructor() {
        owner = msg.sender;
        balances[address(this)] = TOTAL_SUPPLY;
    }
    
    modifier onlyOwner() {
        require(msg.sender == owner, "Only owner can call this function");
        _;
    }
    
    function buyTokens() public payable {
        require(msg.value > 0, "Send ETH to buy tokens");
        require(balances[address(this)] > 0, "No tokens available");
        
        uint256 tokenAmount = (msg.value * 10**18) / tokenPrice;
        require(tokenAmount <= balances[address(this)], "Not enough tokens available");
        
        balances[address(this)] -= tokenAmount;
        balances[msg.sender] += tokenAmount;
        tokensSold += tokenAmount;
        
        emit TokensPurchased(msg.sender, tokenAmount);
    }
    
    function withdrawFunds() public onlyOwner {
        (bool success, ) = owner.call{value: address(this).balance}("");
        require(success, "Payment failed.");
    }
    
    function getBalance(address account) public view returns (uint256) {
        return balances[account];
    }
    
    function getRemainingTokens() public view returns (uint256) {
        return balances[address(this)];
    }
}

{
  "evmVersion": "paris",
  "optimizer": {
    "enabled": true,
    "mode": "3"
  },
  "outputSelection": {
    "*": {
      "*": [
        "abi",
        "metadata"
      ],
      "": [
        "ast"
      ]
    }
  },
  "detectMissingLibraries": false,
  "forceEVMLA": false,
  "enableEraVMExtensions": true,
  "libraries": {}
}

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"buyer","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"TokensPurchased","type":"event"},{"inputs":[],"name":"TOTAL_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balances","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"buyTokens","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRemainingTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokensSold","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawFunds","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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