Contract Address Details

0x4CdE062abC19B36773226B572667B699E7BA7e77

Contract Name: ZCUAirHockey

Creator: 0x9a2742–d45650 at 0x529148–871657

Balance: 0 Zero Chill Units

Tokens: Fetching tokens... Error trying to fetch balances.

Transactions: 1 Transactions

Transfers: 0 Transfers

Gas Used: 137,141

Last Balance Update: 53483

Transactions Internal Transactions Coin Balance History Logs Code Read Contract Write Contract

Contract name:: ZCUAirHockey
Optimization enabled: true

Compiler version: v0.8.19+commit.7dd6d404
Optimization runs: 200

EVM Version: london
Verified at: 2026-09-03T14:01:09.321532Z

Contract source code

// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

/// @title ZCU Air Hockey — Proof-of-Play match ledger
/// @notice Matches are played in the browser; final results are recorded here
///         on the Zero Chill Units chain. First player to WIN_GOALS goals wins.
contract ZCUAirHockey {
    struct Stats {
        uint32 wins;
        uint32 losses;
        uint32 goalsFor;
        uint32 goalsAgainst;
        uint64 lastPlayed;
    }

    uint8 public constant WIN_GOALS = 5;

    mapping(address => Stats) public stats;
    mapping(address => string) public names;
    mapping(address => bool) private known;
    address[] public players;
    uint256 public totalMatches;

    event MatchPlayed(address indexed player, uint8 playerGoals, uint8 aiGoals, bool win, uint256 matchId);
    event NameSet(address indexed player, string name);

    function recordMatch(uint8 playerGoals, uint8 aiGoals) external {
        require(playerGoals <= WIN_GOALS && aiGoals <= WIN_GOALS, "bad score");
        require((playerGoals == WIN_GOALS) != (aiGoals == WIN_GOALS), "no winner");

        if (!known[msg.sender]) {
            known[msg.sender] = true;
            players.push(msg.sender);
        }

        Stats storage s = stats[msg.sender];
        bool win = playerGoals == WIN_GOALS;
        if (win) { s.wins += 1; } else { s.losses += 1; }
        s.goalsFor += playerGoals;
        s.goalsAgainst += aiGoals;
        s.lastPlayed = uint64(block.timestamp);

        totalMatches += 1;
        emit MatchPlayed(msg.sender, playerGoals, aiGoals, win, totalMatches);
    }

    function setName(string calldata name) external {
        require(bytes(name).length <= 24, "name too long");
        names[msg.sender] = name;
        emit NameSet(msg.sender, name);
    }

    function playerCount() external view returns (uint256) {
        return players.length;
    }
}

Contract ABI

[{"type":"event","name":"MatchPlayed","inputs":[{"type":"address","name":"player","internalType":"address","indexed":true},{"type":"uint8","name":"playerGoals","internalType":"uint8","indexed":false},{"type":"uint8","name":"aiGoals","internalType":"uint8","indexed":false},{"type":"bool","name":"win","internalType":"bool","indexed":false},{"type":"uint256","name":"matchId","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"NameSet","inputs":[{"type":"address","name":"player","internalType":"address","indexed":true},{"type":"string","name":"name","internalType":"string","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"uint8","name":"","internalType":"uint8"}],"name":"WIN_GOALS","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"string","name":"","internalType":"string"}],"name":"names","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"playerCount","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"players","inputs":[{"type":"uint256","name":"","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"recordMatch","inputs":[{"type":"uint8","name":"playerGoals","internalType":"uint8"},{"type":"uint8","name":"aiGoals","internalType":"uint8"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setName","inputs":[{"type":"string","name":"name","internalType":"string"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint32","name":"wins","internalType":"uint32"},{"type":"uint32","name":"losses","internalType":"uint32"},{"type":"uint32","name":"goalsFor","internalType":"uint32"},{"type":"uint32","name":"goalsAgainst","internalType":"uint32"},{"type":"uint64","name":"lastPlayed","internalType":"uint64"}],"name":"stats","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"totalMatches","inputs":[]}]

Contract Creation Code

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Deployed ByteCode

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