Contract Source Code (Solidity)

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Outline

•  contract Proxy *
•    - function implementation()
•    - function()
•    - function proxyType()

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/**
 *Submitted for verification at Etherscan.io on 2020-01-13
*/

/* solium-disable security/no-block-members */
/* solium-disable security/no-inline-assembly */

pragma solidity >=0.5.0 <0.6.0;

/**
 * @title Proxy
 * @dev EIP1822
 */
contract Proxy {
    constructor(bytes memory constructData, address contractLogic) public {
        // save the code address
        assembly { // solium-disable-line
            sstore(0xc5f16f0fcc639fa48a6947836d9850f504798523bf8c9a3a87d5876cf622bcf7, contractLogic)
        }

        if (constructData.length == 0) {
            return;
        }

        (bool success, bytes memory _) = contractLogic.delegatecall(constructData); // solium-disable-line
        require(success, "Construction failed");
    }

    /**
     * @dev Tells the address of the implementation where every call will be delegated.
     * @return address of the implementation to which it will be delegated
     */
    function implementation() public view returns (address) {
        address contractLogic;
        assembly { // solium-disable-line
           contractLogic := sload(0xc5f16f0fcc639fa48a6947836d9850f504798523bf8c9a3a87d5876cf622bcf7)
        }
        return contractLogic;
    }

    /**
     * @dev Fallback function allowing to perform a delegatecall to the given implementation.
     * This function will return whatever the implementation call returns
     */
    function() external payable {
        assembly { // solium-disable-line
            let contractLogic := sload(0xc5f16f0fcc639fa48a6947836d9850f504798523bf8c9a3a87d5876cf622bcf7)
            calldatacopy(0x0, 0x0, calldatasize)
            let success := delegatecall(sub(gas, 10000), contractLogic, 0x0, calldatasize, 0, 0)
            let retSz := returndatasize
            returndatacopy(0, 0, retSz)
            switch success
            case 0 {
                revert(0, retSz)
            }
            default {
                return(0, retSz)
            }
        }
    }

    /**
     * @dev EIP897 proxy type
     * @return 1 to indicate not upgradable proxy
     */
    function proxyType() public pure returns (uint256) {
        return 1;
    }
}

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[{"constant":true,"inputs":[],"name":"proxyType","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"constructData","type":"bytes"},{"name":"contractLogic","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"}]

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bzzr://d5a0da7878874fb85667a39996046a6a8baffaee68dfb43e932bd2b20f2e3c51