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// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0 <0.9.0;

import './TradeRewardStorage.sol';

contract TradeReward is TradeRewardStorage {

    fallback() external payable {
        address imp = implementation;
        assembly {
            calldatacopy(0, 0, calldatasize())
            let result := delegatecall(gas(), imp, 0, calldatasize(), 0, 0)
            returndatacopy(0, 0, returndatasize())
            switch result
            case 0 { revert(0, returndatasize()) }
            default { return(0, returndatasize()) }
        }
    }

    receive() external payable {}

}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0 <0.9.0;

import '../utils/Admin.sol';
import '../utils/Implementation.sol';

abstract contract TradeRewardStorage is Admin, Implementation {

    address internal operator;

    struct RewardInfo {
        uint256 cumulativeReward;
        uint256 cumulativeClaimed;
    }

    // smart account => reward info
    mapping (address => RewardInfo) internal _traderRewards;

    // smart account => reward info
    mapping (address => RewardInfo) internal _refererRewards;

}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0 <0.9.0;

abstract contract Admin {

    error OnlyAdmin();

    event NewAdmin(address newAdmin);

    address public admin;

    modifier _onlyAdmin_() {
        if (msg.sender != admin) {
            revert OnlyAdmin();
        }
        _;
    }

    constructor () {
        admin = msg.sender;
        emit NewAdmin(admin);
    }

    /**
     * @notice Set a new admin for the contract.
     * @dev This function allows the current admin to assign a new admin address without performing any explicit verification.
     *      It's the current admin's responsibility to ensure that the 'newAdmin' address is correct and secure.
     * @param newAdmin The address of the new admin.
     */
    function setAdmin(address newAdmin) external _onlyAdmin_ {
        admin = newAdmin;
        emit NewAdmin(newAdmin);
    }

}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0 <0.9.0;

import './Admin.sol';

abstract contract Implementation is Admin {

    event NewImplementation(address newImplementation);

    address public implementation;

    // @notice Set a new implementation address for the contract
    function setImplementation(address newImplementation) external _onlyAdmin_ {
        implementation = newImplementation;
        emit NewImplementation(newImplementation);
    }

}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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