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

import {IRewardPolicy} from "./interfaces/IRewardPolicy.sol";

contract GiveawayPolicy is IRewardPolicy {
    function escrow(uint256 toll, address player, bytes calldata rewardData) external pure returns (uint256) {
        if (toll != 0) {
            revert("GiveawayPolicy: Toll must be zero");
        }

        (address whitelistedPlayer, uint256 amount) = abi.decode(rewardData, (address, uint256));
        if (player != whitelistedPlayer) {
            revert("GiveawayPolicy: Player must be whitelisted");
        }
        return amount;
    }

    function payout(uint256 max, bytes32) external pure returns (uint256) {
        return max;
    }
}

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

interface IRewardPolicy {
    // The maximum amount that can be paid out.
    function escrow(uint256 toll, address player, bytes calldata data) external returns (uint256 amount);
    // The actual amount that will be paid out.
    function payout(uint256 reward, bytes32 data) external returns (uint256 amount);
}

{
  "viaIR": false,
  "codegen": "yul",
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/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
}

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[{"inputs":[{"internalType":"uint256","name":"toll","type":"uint256"},{"internalType":"address","name":"player","type":"address"},{"internalType":"bytes","name":"rewardData","type":"bytes"}],"name":"escrow","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"max","type":"uint256"},{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"payout","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"}]

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