Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.28;

contract RafflePhaseTest {
    address public owner;
    uint256 public constant ticketPrice = 0.001 ether; // Prix du ticket fixé à 0.001 ETH
    bool public isOpen; // true = la vente de tickets est ouverte

    // Nombre de tickets achetés par chaque adresse
    mapping(address => uint256) public ticketsBought;
    // Liste des participants uniques (une seule entrée par adresse)
    address[] public participants;
    // Permet de savoir si une adresse est déjà référencée dans "participants"
    mapping(address => bool) private hasParticipated;

    uint256 public totalTickets; // total de tickets vendus (somme de tous les ticketsBought)

    // Événements pour la transparence
    event TicketPurchased(address indexed buyer, uint256 tickets);
    event LotteryOpened();
    event LotteryClosed();
    event FundsWithdrawn(uint256 amount);

    modifier onlyOwner() {
        require(msg.sender == owner, "Not owner");
        _;
    }

    constructor() {
        owner = msg.sender;
        isOpen = false; // La loterie est fermée au départ
    }

    /// @notice Ouvre la vente de tickets (appelée par l'owner quand tout est prêt)
    function openLottery() external onlyOwner {
        require(!isOpen, "Lottery already open");
        isOpen = true;
        emit LotteryOpened();
    }

    /// @notice Ferme la vente de tickets (appelée par l'owner quand c'est fini)
    function closeLottery() external onlyOwner {
        require(isOpen, "Lottery not open");
        isOpen = false;
        emit LotteryClosed();
    }

    /// @notice Achète `_numTickets` tickets en envoyant la valeur correspondante
    function buyTicket(uint256 _numTickets) external payable {
        require(isOpen, "Lottery not open");
        require(_numTickets > 0, "Must buy >= 1");
        require(msg.value == ticketPrice * _numTickets, "Wrong ETH amount");

        ticketsBought[msg.sender] += _numTickets;
        totalTickets += _numTickets;

        // si c'est la première fois que cette adresse achète
        if (!hasParticipated[msg.sender]) {
            hasParticipated[msg.sender] = true;
            participants.push(msg.sender);
        }

        emit TicketPurchased(msg.sender, _numTickets);
    }

    /// @notice Retire les fonds du contrat (les ETH payés pour les tickets)
    function withdrawFunds() external onlyOwner {
        require(!isOpen, "Close lottery first");
        require(address(this).balance > 0, "No funds to withdraw");

        uint256 balance = address(this).balance;
        address payable recipient = payable(owner);

        totalTickets = 0; // Réinitialisation pour éviter d'éventuelles re-entrances

        (bool sent, ) = recipient.call{value: balance}("");
        require(sent, "Withdraw failed");

        emit FundsWithdrawn(balance);
    }

    /// @notice Renvoie le nombre total de tickets vendus
    function getTotalTickets() external view returns (uint256) {
        return totalTickets;
    }

    /// @notice Renvoie le nombre de tickets achetés par un utilisateur
    function getUserTickets(address _user) external view returns (uint256) {
        return ticketsBought[_user];
    }

    /// @notice Renvoie le nombre total de participants (uniques)
    function getParticipantCount() external view returns (uint256) {
        return participants.length;
    }

    /// @notice Renvoie la liste de tous les participants
    function getAllParticipants() external view returns (address[] memory) {
        return participants;
    }
}

{
  "viaIR": false,
  "codegen": "yul",
  "remappings": [
    "forge-std/=lib/forge-std/src/"
  ],
  "evmVersion": "cancun",
  "outputSelection": {
    "*": {
      "*": [
        "abi",
        "metadata"
      ],
      "": [
        "ast"
      ]
    }
  },
  "optimizer": {
    "enabled": true,
    "mode": "3",
    "fallback_to_optimizing_for_size": false,
    "disable_system_request_memoization": true
  },
  "metadata": {},
  "libraries": {},
  "enableEraVMExtensions": false,
  "forceEVMLA": false
}

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"FundsWithdrawn","type":"event"},{"anonymous":false,"inputs":[],"name":"LotteryClosed","type":"event"},{"anonymous":false,"inputs":[],"name":"LotteryOpened","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"buyer","type":"address"},{"indexed":false,"internalType":"uint256","name":"tickets","type":"uint256"}],"name":"TicketPurchased","type":"event"},{"inputs":[{"internalType":"uint256","name":"_numTickets","type":"uint256"}],"name":"buyTicket","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"closeLottery","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getAllParticipants","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getParticipantCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalTickets","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"getUserTickets","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"openLottery","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"participants","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ticketPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"ticketsBought","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalTickets","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawFunds","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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