Contract 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4

 
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0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276Withdraw190045132022-07-31 5:20:17126 days 8 hrs ago0xde6d6f23aabbdc9469c8907ece7c379f98e4cb75 IN  0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH0.000041485623 ETH
0x6c31c3cac5d725e17c212b25ae4e6ba6b32dd732494a023a2eab9b90c1e21cfb_set Pending Own...49604172022-01-24 10:48:59314 days 3 hrs ago0xde6d6f23aabbdc9469c8907ece7c379f98e4cb75 IN  0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH0.000605739065 ETH
0xc21abc1d1b3cf56817d9696ab9fca46d1d5fde6a006e43451f68a88f847439880x301c780848208462022-01-20 12:03:02318 days 2 hrs ago0xde6d6f23aabbdc9469c8907ece7c379f98e4cb75 IN  0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH0.000852228031 ETH
0x8384923b8511e77dced45f44e6e9ba88545c07e7fd22c4851bc5276436b3fa6e0xee68fa9a48208132022-01-20 12:01:23318 days 2 hrs ago0xde6d6f23aabbdc9469c8907ece7c379f98e4cb75 IN  0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH0.002102281398 ETH
0x3619e9938e89d59a6a2cbd5ac16e388919d869eb129ed60344f5c909e7e8258b0xc0efbc4e48187842022-01-20 10:06:58318 days 4 hrs ago0xde6d6f23aabbdc9469c8907ece7c379f98e4cb75 IN  0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH0.000927035475 ETH
0x77dfcd74849e5f6bf89a1a191386a69c5bb88cb2f53411c420f057983e54d9f30x6080604048187542022-01-20 10:04:21318 days 4 hrs ago0xde6d6f23aabbdc9469c8907ece7c379f98e4cb75 IN  Contract Creation0 ETH0.008087037639 ETH
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0xa7816cd9fd1f79a1610743b9d281aeacc390f06e0936fcdb5c4b749ba7ddecff214803242022-08-27 2:33:4499 days 11 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 Celer Network: cBridge0 ETH
0xa7816cd9fd1f79a1610743b9d281aeacc390f06e0936fcdb5c4b749ba7ddecff214803242022-08-27 2:33:4499 days 11 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x7500f0e7a6ef181edaa29171c5a78b4502e8541c0 ETH
0xa7816cd9fd1f79a1610743b9d281aeacc390f06e0936fcdb5c4b749ba7ddecff214803242022-08-27 2:33:4499 days 11 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH
0xa7816cd9fd1f79a1610743b9d281aeacc390f06e0936fcdb5c4b749ba7ddecff214803242022-08-27 2:33:4499 days 11 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x7500f0e7a6ef181edaa29171c5a78b4502e8541c0 ETH
0xa7816cd9fd1f79a1610743b9d281aeacc390f06e0936fcdb5c4b749ba7ddecff214803242022-08-27 2:33:4499 days 11 hrs ago 0x1c4d5ecfbf2af57251f20a524d0f0c1b4f6ed1c9 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH
0x205e91675ee32ad696c2838a20a64d068593ac9a4631ac8cd61de38d785d3c4a214389752022-08-26 17:32:0199 days 20 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 Celer Network: cBridge0 ETH
0x205e91675ee32ad696c2838a20a64d068593ac9a4631ac8cd61de38d785d3c4a214389752022-08-26 17:32:0199 days 20 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x7500f0e7a6ef181edaa29171c5a78b4502e8541c0 ETH
0x205e91675ee32ad696c2838a20a64d068593ac9a4631ac8cd61de38d785d3c4a214389752022-08-26 17:32:0199 days 20 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH
0x205e91675ee32ad696c2838a20a64d068593ac9a4631ac8cd61de38d785d3c4a214389752022-08-26 17:32:0199 days 20 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x7500f0e7a6ef181edaa29171c5a78b4502e8541c0 ETH
0x205e91675ee32ad696c2838a20a64d068593ac9a4631ac8cd61de38d785d3c4a214389752022-08-26 17:32:0199 days 20 hrs ago 0x1c4d5ecfbf2af57251f20a524d0f0c1b4f6ed1c9 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH
0x71470511a72b6011aa7389c3682b99c7de162153aafb0a5460c7ee559f78f92c214057362022-08-26 12:56:35100 days 1 hr ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 Celer Network: cBridge0 ETH
0x71470511a72b6011aa7389c3682b99c7de162153aafb0a5460c7ee559f78f92c214057362022-08-26 12:56:35100 days 1 hr ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x7500f0e7a6ef181edaa29171c5a78b4502e8541c0 ETH
0x71470511a72b6011aa7389c3682b99c7de162153aafb0a5460c7ee559f78f92c214057362022-08-26 12:56:35100 days 1 hr ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH
0x71470511a72b6011aa7389c3682b99c7de162153aafb0a5460c7ee559f78f92c214057362022-08-26 12:56:35100 days 1 hr ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x7500f0e7a6ef181edaa29171c5a78b4502e8541c0 ETH
0x71470511a72b6011aa7389c3682b99c7de162153aafb0a5460c7ee559f78f92c214057362022-08-26 12:56:35100 days 1 hr ago 0x1c4d5ecfbf2af57251f20a524d0f0c1b4f6ed1c9 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x9e8b68e17441413b26c2f18e741eaba69894767c0 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 dForce: USX Token0 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x0385f851060c09a552f1a28ea3f612660256cbaa0 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x1de84422d17d7296f656b5307a9736044feb71fa0 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x1de84422d17d7296f656b5307a9736044feb71fa0 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x7500f0e7a6ef181edaa29171c5a78b4502e8541c0 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x3a5985f97222f7ab85c1a7e01563896e5c5c617c 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b40 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x3a5985f97222f7ab85c1a7e01563896e5c5c617c0 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x1de84422d17d7296f656b5307a9736044feb71fa0 ETH
0xa91728702e6f0c0f24d0792e707eb0bcf70c8b502aec32a8046974b013ba6276190045132022-07-31 5:20:17126 days 8 hrs ago 0x1d2eb423bc723da7f927ca21b56a4c22af6c72b4 0x7500f0e7a6ef181edaa29171c5a78b4502e8541c0 ETH
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0x9b667d14ab29cf8a1d90fbaba99383823d3cbbf3c39831a3d7009c09201f6d182022-08-27 2:31:2299 days 11 hrs ago0xe6bc5d19f303e424bfbb060275c43f21098bbb10a09273f1aa99ea57b846c2d21,000 dForce USD (USX)
0xc5dd9f51c9f711f790d5d337d36c6dce755d462ebbbb2598cf629c6ceeaa2e922022-08-26 17:28:3799 days 20 hrs ago0xd1df6da6fd17b925d075a466ffb3c989b6428bb4e1821024097f2391914cb12a10 dForce USD (USX)
0x8ffe4573bba46bd620f80a0e9d45fa7e9b1d57f6f2e1bbdc64c9b104b021ad872022-08-26 12:54:13100 days 1 hr ago0x3613a8bd14285a10f551272663500f46c4a5273c844e8e9387ff6ac0d0c5e05a10 dForce USD (USX)
0x1dadcd48f07989e4b2f2eb0e45aa4dee5647ee0c02c1a7fb8b5cc397351e150c2022-01-27 11:49:00311 days 2 hrs ago0x2acfb7bae9cc3739a95a7583b8f16344c1b6647305ce8ffa3e1634585cca70c8100,000,000 dForce USD (USX)
0x1dadcd48f07989e4b2f2eb0e45aa4dee5647ee0c02c1a7fb8b5cc397351e150c2022-01-27 11:49:00311 days 2 hrs ago0x2acfb7bae9cc3739a95a7583b8f16344c1b6647305ce8ffa3e1634585cca70c8100,000,000 dForce Vault... (vUSX)
0x6c747e87514ab58d567a08d8273070edb9fb559880fc7314f7fb3059fe06ae592022-01-27 5:36:55311 days 8 hrs ago0x8624094253e0c4b5989e1d09e548dcd36dabefd1eeca38bf64d4f24c0a22ab1b5,000,000 dForce USD (USX)
0x28eb96ead5279ae8cf63f8947a00f8ea2d435c02d59dc309a615ad8c5d21c0652022-01-20 11:47:55318 days 2 hrs ago0x4c13908f8b6997bf500e60d91bd0d40a04c764acbc0a9ab03752325f45e3d1161,000 dForce USD (USX)
0x15536a8c89db89d144bdc4d94bd007c975d8b6c562b62db50651e8fe438374f12022-01-20 11:36:57318 days 2 hrs ago0xa02c680979d41f2aa2daa114f94808337f29ce32d4e4543c44755cff22cbaa66100,000 dForce USD (USX)
0x15536a8c89db89d144bdc4d94bd007c975d8b6c562b62db50651e8fe438374f12022-01-20 11:36:57318 days 2 hrs ago0xa02c680979d41f2aa2daa114f94808337f29ce32d4e4543c44755cff22cbaa66100,000 dForce Vault... (vUSX)
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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x641441c631e2F909700d2f41FD87F0aA6A6b4EDb

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

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

pragma solidity >=0.6.0 <0.8.0;

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 interface 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 _logic, address admin_, bytes memory _data) public payable UpgradeableProxy(_logic, _data) {
        assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _setAdmin(admin_);
    }

    /**
     * @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 admin_) {
        admin_ = _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 implementation_) {
        implementation_ = _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 2 of 4 : UpgradeableProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

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) public 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 3 of 4 : Proxy.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @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 () external payable {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive () external payable {
        _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 4 of 4 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @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) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @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");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        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
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"admin_","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":"admin_","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":"implementation_","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"}]

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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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