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// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0 <0.9.0;

import "./OrderbookStorage.sol";

contract Orderbook is OrderbookStorage {
    event NewImplementation(address newImplementation);

    function setImplementation(address newImplementation) external _onlyAdmin_ {
        implementation = newImplementation;
        emit NewImplementation(newImplementation);
    }

    receive() external payable {}

    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())
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0 <0.9.0;

import "./utils/Admin.sol";

abstract contract OrderbookStorage is Admin {
    address public implementation;

    bool internal _mutex;

    modifier _reentryLock_() {
        require(!_mutex, "Router: reentry");
        _mutex = true;
        _;
        _mutex = false;
    }

    address public executor;
    
    struct Order {
        bool isLite;
        address account;
        uint256 pTokenId;
        bytes32 symbolId;
        address bToken;
        int256 bAmount;
        int256[] orderParams; // 0:trigerPrice, 1:isAboveTrigerPrice, 2: isIndexPrice
        int256[] tradeParams; // 0:volume, 1: priceLimit
    }

    // account -> index -> Order
	mapping (address => mapping(uint256 => Order)) public orders;
    // account -> index -> executionFee
    mapping (address => mapping(uint256 => uint256)) public executionFees;
    mapping (address => uint256) public ordersIndex;

}

// 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);
    }

}

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

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[{"inputs":[],"name":"OnlyAdmin","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"NewAdmin","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newImplementation","type":"address"}],"name":"NewImplementation","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"executionFees","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"executor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"orders","outputs":[{"internalType":"bool","name":"isLite","type":"bool"},{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"pTokenId","type":"uint256"},{"internalType":"bytes32","name":"symbolId","type":"bytes32"},{"internalType":"address","name":"bToken","type":"address"},{"internalType":"int256","name":"bAmount","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"ordersIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"setAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"setImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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