Contract 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 10

 
Txn Hash Method
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0x9ac9a63a700c42a3ff57b328ff4b7b06c1672ac617a8b31b1d73c6878335512dSet Approval For...1859163482024-03-01 5:42:3822 hrs 57 mins ago0x79116c7cee3295e2f0008d075637c6ac2bc06865 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.000087840.1
0x4cd83f062cd8d7a5612223ae92ccfd239df2836b31f4f134b26ec3b47d0ffb80Set Approval For...1859156952024-03-01 5:39:4923 hrs ago0x79116c7cee3295e2f0008d075637c6ac2bc06865 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.000095240.1
0xb858e439ac05737c62ac22d1607a1a677f7a435acbd7ea8474b1d083d6e24728Set Approval For...1859151502024-03-01 5:37:2523 hrs 3 mins ago0x79116c7cee3295e2f0008d075637c6ac2bc06865 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.000095240.1
0x670728ef19b945a7d153a6ed3904b05a3d8f3c122c9de6a8a03f05c66229e183Set Approval For...1859146852024-03-01 5:35:2023 hrs 5 mins ago0x79116c7cee3295e2f0008d075637c6ac2bc06865 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.000095240.1
0x0da103ea98f3f14b8c48f5c5520547810c10501ac3c931c74fd8d4805986763bSet Approval For...1856154632024-02-29 8:17:001 day 20 hrs ago0x9a3767629e00831f3a5662fab2ee81dc504e01b8 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.0001004 0.1
0xf045c12369312f07a62ab64faaf35366d34dafc19e95f49abe870c6599cb3167Pause Staking1848583372024-02-27 2:33:414 days 2 hrs ago0x60e4bf9876f184d75638feda66123c0ad06fe112 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.000097640.1
0x5a76c9fa2c564c9b143a764d32cfbf8b23917fa170f32747c1095f581f8cd350Set Approval For...1848482722024-02-27 1:51:094 days 2 hrs ago0x2f14a4abc940049de389973c8d4ad022712dafc6 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.00005719 0.13775
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0xa97cca9bcb7c2aec0e15d9cfa9e05c451a9e10ec0f004bd7d086f5feec8c930aSet Approval For...1846696782024-02-26 13:02:244 days 15 hrs ago0xbaed0b390801f916c76b4a6a41223be71669474b IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.00006949 0.1
0x5c18925c15d05c7e7affb79bc64d5ca5a3ae55e79177f02f05f4989e8b857e40Set Approval For...1846677942024-02-26 12:54:314 days 15 hrs ago0xc3856a3a70832ffc6cd678dd0a674b680ba8ce44 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.00007276 0.1
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0x1dd7befdcde91edb65904baf25a3b849d22c3c34f89bb8d3ef12237fda2a7082Register1846523452024-02-26 11:49:454 days 16 hrs ago0xf63b9d007013a850f9ad628d9268865070721dfd IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.00010646 0.1
0x41c4196e5642590b00116d8e4bdc677b1de34549f67c3dd022b7880aff1163fbRegister1846518112024-02-26 11:47:304 days 16 hrs ago0xf63b9d007013a850f9ad628d9268865070721dfd IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.0001054 0.1
0xdbf4b53780e1acecafbe5631043f8da361230e9547180ba02be6947716821980Stake1846496272024-02-26 11:38:214 days 17 hrs ago0x3f556245e5c71d7aaa2e17484c0a98f636d3157c IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.00012066 0.1
0xc1ff34d0e44164f19a7b502f0df699981d36806d439d2dc9aefd7d2cab5b4c8aUnstake1846494042024-02-26 11:37:244 days 17 hrs ago0x3f556245e5c71d7aaa2e17484c0a98f636d3157c IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.00010697 0.1
0xcd8af96f3e0db41db5cc66b074b65261a4f82bd03df7c135d1bb6510c3e53bf6Register1846467922024-02-26 11:26:204 days 17 hrs ago0xe305cc80c05bfb37a568bb2debc12068081d23a1 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.00009435 0.1
0xebdd7c582f6727b20adf96e3b9ad839fb79cc9d673236a95e98a6413cb8a8372Register1845904962024-02-26 7:29:334 days 21 hrs ago0x74e254f0ea90e8caa5da6f62ee29b9f71eea8ee5 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.000101360.1
0xc6896929013a67fb80d0db83c463a5389a55953b0a4b6b10c5f81d3154cff2b7Register1845902552024-02-26 7:28:304 days 21 hrs ago0x74e254f0ea90e8caa5da6f62ee29b9f71eea8ee5 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.000099820.1
0xe1fef623c2789c64665e8e9deba12ff0ea312ac0266d1049fd983eb9c6d46de2Register1845900452024-02-26 7:27:364 days 21 hrs ago0x74e254f0ea90e8caa5da6f62ee29b9f71eea8ee5 IN  0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH0.000101670.1
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x9c622a4637c3ed52a0146562537e30bd11592dd8e484718b14ab4e09a031dcca720726452023-03-21 9:20:56346 days 19 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0x9c622a4637c3ed52a0146562537e30bd11592dd8e484718b14ab4e09a031dcca720726452023-03-21 9:20:56346 days 19 hrs ago Treasure DAO: Trove Marketplace 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0xff1911b8d842c1641f03654f2f6f6de8d414474fd76010e9e49d3f72efa72d24720724992023-03-21 9:20:28346 days 19 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0xff1911b8d842c1641f03654f2f6f6de8d414474fd76010e9e49d3f72efa72d24720724992023-03-21 9:20:28346 days 19 hrs ago Treasure DAO: Trove Marketplace 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0xff7d2b1164681da71c13388e43e7eeed6a8f52cc4ba8b118a6a24dc33dd454d8720386942023-03-21 7:01:50346 days 21 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0xff7d2b1164681da71c13388e43e7eeed6a8f52cc4ba8b118a6a24dc33dd454d8720386942023-03-21 7:01:50346 days 21 hrs ago Treasure DAO: Trove Marketplace 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0x499f1ffffcb0b91624b57f2e3be1b5f45d23fa1d74e23c42dfd327d652ef1e0d720173192023-03-21 5:33:59346 days 23 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0x499f1ffffcb0b91624b57f2e3be1b5f45d23fa1d74e23c42dfd327d652ef1e0d720173192023-03-21 5:33:59346 days 23 hrs ago Treasure DAO: Trove Marketplace 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0x499f1ffffcb0b91624b57f2e3be1b5f45d23fa1d74e23c42dfd327d652ef1e0d720173192023-03-21 5:33:59346 days 23 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0x499f1ffffcb0b91624b57f2e3be1b5f45d23fa1d74e23c42dfd327d652ef1e0d720173192023-03-21 5:33:59346 days 23 hrs ago Treasure DAO: Trove Marketplace 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0x68d252643117e43d4d1861e3b93904e18abcf902eb5692de075560e96e3759e6720172532023-03-21 5:33:43346 days 23 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0xc10162ffbdfc7a69c45c93392899a70408c13a8593cd48eaff947b697e3c9168719716852023-03-21 2:24:51347 days 2 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0xc10162ffbdfc7a69c45c93392899a70408c13a8593cd48eaff947b697e3c9168719716852023-03-21 2:24:51347 days 2 hrs ago Treasure DAO: Trove Marketplace 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xa0f4bed10230d27e3624febd217e03e6d87cfcc8 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xa0f4bed10230d27e3624febd217e03e6d87cfcc8 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xa0f4bed10230d27e3624febd217e03e6d87cfcc8 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xa0f4bed10230d27e3624febd217e03e6d87cfcc8 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xa0f4bed10230d27e3624febd217e03e6d87cfcc8 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d4 0x24953fc9b40aca05c49332b7098f2c0f6bf46ba30 ETH
0x322e413caf6830f2bae76ce1cb46bcaa061e3105c4f48b7cb039f841ca322117719026842023-03-20 21:29:58347 days 7 hrs ago 0xa0f4bed10230d27e3624febd217e03e6d87cfcc8 0xdc758b92c7311280aeeb48096a3bf4d1c1f936d40 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x6F4e8eBa4D337f874Ab57478AcC2Cb5BACdc19c9
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 999999 runs

Other Settings:
default evmVersion, MIT license
File 1 of 4 : Proxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 * 
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 * 
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     * 
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 { revert(0, returndatasize()) }
            default { return(0, returndatasize()) }
        }
    }

    /**
     * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal virtual view returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     * 
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _fallback() internal {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback () payable external {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive () payable external {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     * 
     * If overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {
    }
}

File 2 of 4 : TransparentUpgradeableProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

import "./UpgradeableProxy.sol";

/**
 * @dev This contract implements a proxy that is upgradeable by an admin.
 * 
 * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector
 * clashing], which can potentially be used in an attack, this contract uses the
 * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two
 * things that go hand in hand:
 * 
 * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if
 * that call matches one of the admin functions exposed by the proxy itself.
 * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the
 * implementation. If the admin tries to call a function on the implementation it will fail with an error that says
 * "admin cannot fallback to proxy target".
 * 
 * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing
 * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due
 * to sudden errors when trying to call a function from the proxy implementation.
 * 
 * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,
 * you should think of the `ProxyAdmin` instance as the real administrative inerface of your proxy.
 */
contract TransparentUpgradeableProxy is UpgradeableProxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {UpgradeableProxy-constructor}.
     */
    constructor(address initialLogic, address initialAdmin, bytes memory _data) payable UpgradeableProxy(initialLogic, _data) {
        assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _setAdmin(initialAdmin);
    }

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 private constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.
     */
    modifier ifAdmin() {
        if (msg.sender == _admin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @dev Returns the current admin.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}.
     * 
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function admin() external ifAdmin returns (address) {
        return _admin();
    }

    /**
     * @dev Returns the current implementation.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.
     * 
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`
     */
    function implementation() external ifAdmin returns (address) {
        return _implementation();
    }

    /**
     * @dev Changes the admin of the proxy.
     * 
     * Emits an {AdminChanged} event.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}.
     */
    function changeAdmin(address newAdmin) external ifAdmin {
        require(newAdmin != address(0), "TransparentUpgradeableProxy: new admin is the zero address");
        emit AdminChanged(_admin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev Upgrade the implementation of the proxy.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}.
     */
    function upgradeTo(address newImplementation) external ifAdmin {
        _upgradeTo(newImplementation);
    }

    /**
     * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified
     * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the
     * proxied contract.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {
        _upgradeTo(newImplementation);
        // solhint-disable-next-line avoid-low-level-calls
        (bool success,) = newImplementation.delegatecall(data);
        require(success);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view returns (address adm) {
        bytes32 slot = _ADMIN_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            adm := sload(slot)
        }
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        bytes32 slot = _ADMIN_SLOT;

        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(slot, newAdmin)
        }
    }

    /**
     * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.
     */
    function _beforeFallback() internal override virtual {
        require(msg.sender != _admin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target");
        super._beforeFallback();
    }
}

File 3 of 4 : UpgradeableProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

import "./Proxy.sol";
import "../utils/Address.sol";

/**
 * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
 * implementation address that can be changed. This address is stored in storage in the location specified by
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
 * implementation behind the proxy.
 * 
 * Upgradeability is only provided internally through {_upgradeTo}. For an externally upgradeable proxy see
 * {TransparentUpgradeableProxy}.
 */
contract UpgradeableProxy is Proxy {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     * 
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializating the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _setImplementation(_logic);
        if(_data.length > 0) {
            // solhint-disable-next-line avoid-low-level-calls
            (bool success,) = _logic.delegatecall(_data);
            require(success);
        }
    }

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 private constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal override view returns (address impl) {
        bytes32 slot = _IMPLEMENTATION_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            impl := sload(slot)
        }
    }

    /**
     * @dev Upgrades the proxy to a new implementation.
     * 
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "UpgradeableProxy: new implementation is not a contract");

        bytes32 slot = _IMPLEMENTATION_SLOT;

        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(slot, newImplementation)
        }
    }
}

File 4 of 4 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
        // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
        // for accounts without code, i.e. `keccak256('')`
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return _functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

Settings
{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"initialLogic","type":"address"},{"internalType":"address","name":"initialAdmin","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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