Contract 0x096760f208390250649e3e8763348e783aef5562

 
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Block
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Value [Txn Fee]
0xcd684e9540df3fdcebfb88582ebd3df00a06255c989c21b3cb1359968df52365Finalize Inbound...130211702022-05-26 23:42:0442 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0xd0bbd89b060e04c91621cd07f96743ca237cc20acc0d8409dc1fa4418c87e3f6Finalize Inbound...130201062022-05-26 23:08:311 hr 16 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0xd90dc2071f87dd1caa3ef5f7341ee09be809fb53d09d8bab2021d3c0c9ce3628Finalize Inbound...130186922022-05-26 22:23:392 hrs 1 min ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x1dea5c10ad24213fa22cc0e7fb2acf689e476385377bfec1b4f89bc082653d0cFinalize Inbound...130164152022-05-26 21:06:013 hrs 18 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x0872f51bf0e803e84fe9105a072108af0ea83446fe3470d91f14e4e9d4007924Finalize Inbound...130113222022-05-26 18:57:425 hrs 27 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x9fa156476356e6d08bfe81f37771cc34c30f7241c970d0983ec3ab176363d683Finalize Inbound...130104302022-05-26 18:28:165 hrs 56 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x49fdbdc00a9b96caa27ce7a8a44259b3c85676447336fd21eaeba5a02edd7c6bFinalize Inbound...130085912022-05-26 17:32:516 hrs 51 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0xefb99891b7c081f3f69d298be4b99908c22a738c58503a27d47e8aa3eb36e571Finalize Inbound...130082872022-05-26 17:25:466 hrs 58 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x2f2290b9eb7f8cdfab4738100a0c508f9257f2f9c8c41ae5c0ae68035c8618e4Finalize Inbound...130068872022-05-26 16:52:527 hrs 31 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x8547aa9faa47432aaa086af1732ec114cc01cec9bce218c25504086f570832b5Finalize Inbound...130068572022-05-26 16:51:157 hrs 33 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0xcbd497fa5d626fcebd08f28bcfb0bbd40507ce452e2b7bb3b94d39d17d15c25bFinalize Inbound...130068572022-05-26 16:51:157 hrs 33 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0xd3d4dd0aa4db4a7d070bb817009b8daaa6dab4ff7237e83b6650a50ec3c961e5Finalize Inbound...130049492022-05-26 16:15:258 hrs 9 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0xce0e6b931ab6423acbbf00f192570acbd4a948be0a7bed681cf6fdb739a8f8b3Finalize Inbound...129972992022-05-26 13:55:2410 hrs 29 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0xe1563f1d62763340d329aba6069d7aca573d153aaed12007dad9ab978dc086d8Finalize Inbound...129964712022-05-26 13:42:3210 hrs 42 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x3bee4781cd63886f74f846a8c9a42dccce639795adb0c69ab3b394abdcb43785Finalize Inbound...129964712022-05-26 13:42:3210 hrs 42 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0xbc4a7e91d20383c2e1d1feb65112c52bb986dfa8bfd01ae1666bd637ac7aab66Finalize Inbound...129949642022-05-26 13:23:0711 hrs 1 min ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x7bb4bd7742cd6badb8c3d2309a49a8be373558f55aae0dd2e0dd7eea5c666eecFinalize Inbound...129935122022-05-26 12:59:3211 hrs 25 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x8a4d482943dbbb87f6b3e8c947922b677d6a28669778007417cc8a802f59d21aFinalize Inbound...129895972022-05-26 11:43:4012 hrs 41 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x1d36dcc98906d2e2b6cd049ae978dc1e13513616df03355ce80acd256e6c1e51Finalize Inbound...129891422022-05-26 11:34:5412 hrs 49 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x5def76ac1a790773bf3505a8d3f3867bf4ee30c1b18655e957d65f01ab81b20aFinalize Inbound...129879242022-05-26 11:15:3913 hrs 9 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x5fabd8a6979a9d3baf416def3d81739147adbf4828ed1aa897d8802b524139aeFinalize Inbound...129867402022-05-26 10:54:1113 hrs 30 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x86653f702dfc5b66b9081fb3e0a225224a529ed23b603c397831d0bfb1ac07c5Finalize Inbound...129864492022-05-26 10:48:0013 hrs 36 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x3fcdf4ff11f398c9a6401833a66c2f8a9050d93b0136d829e48cdeabaff313b4Finalize Inbound...129857232022-05-26 10:34:3913 hrs 50 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0x93e679185b09c0629615c0c5e24e16f1f9c0b09482566ac30b71e32301bba8f8Finalize Inbound...129851762022-05-26 10:24:0914 hrs ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
0xa731679c5c0ae1b21232bff56b1f6854ef738eea635ed499784f63055edb15c1Finalize Inbound...129848222022-05-26 10:17:2214 hrs 7 mins ago0xdff384f754e854890e311e3280b767f80797291e IN  Arbitrum: L2 Custom Gateway0 ETH0 ETH
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Latest 25 internal transaction
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0xd8ed160d1ba37bba54f7c06c0e7d931c907475a9f100d9f1fccd83c8ad4391ab130216242022-05-26 23:52:3032 mins ago Arbitrum: L2 Custom GatewayArbitrum: ArbSys0 ETH
0xd8ed160d1ba37bba54f7c06c0e7d931c907475a9f100d9f1fccd83c8ad4391ab130216242022-05-26 23:52:3032 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0xd8ed160d1ba37bba54f7c06c0e7d931c907475a9f100d9f1fccd83c8ad4391ab130216242022-05-26 23:52:3032 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0xd8ed160d1ba37bba54f7c06c0e7d931c907475a9f100d9f1fccd83c8ad4391ab130216242022-05-26 23:52:3032 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0xd8ed160d1ba37bba54f7c06c0e7d931c907475a9f100d9f1fccd83c8ad4391ab130216242022-05-26 23:52:3032 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0xd8ed160d1ba37bba54f7c06c0e7d931c907475a9f100d9f1fccd83c8ad4391ab130216242022-05-26 23:52:3032 mins ago Arbitrum: L2 Custom Gateway 0xe71d43c9da461d01a0eeeabd253a52a7aeef75380 ETH
0xd8ed160d1ba37bba54f7c06c0e7d931c907475a9f100d9f1fccd83c8ad4391ab130216242022-05-26 23:52:3032 mins ago 0x5288c571fd7ad117bea99bf60fe0846c4e84f933 Arbitrum: L2 Custom Gateway0 ETH
0x004c7232a22ac43b1999d3ab95d6dce85e35530ea85fe9a0f4b21e473f3c07cb130211702022-05-26 23:42:0442 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0x004c7232a22ac43b1999d3ab95d6dce85e35530ea85fe9a0f4b21e473f3c07cb130211702022-05-26 23:42:0442 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0x004c7232a22ac43b1999d3ab95d6dce85e35530ea85fe9a0f4b21e473f3c07cb130211702022-05-26 23:42:0442 mins ago Arbitrum: L2 Custom Gateway 0xe71d43c9da461d01a0eeeabd253a52a7aeef75380 ETH
0x004c7232a22ac43b1999d3ab95d6dce85e35530ea85fe9a0f4b21e473f3c07cb130211702022-05-26 23:42:0442 mins ago 0xdff384f754e854890e311e3280b767f80797291e Arbitrum: L2 Custom Gateway0 ETH
0x40e148451afa30fed5715230181d20aa0cdb0ae822b66630c3cf379e07090247130201062022-05-26 23:08:311 hr 16 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0x40e148451afa30fed5715230181d20aa0cdb0ae822b66630c3cf379e07090247130201062022-05-26 23:08:311 hr 16 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0x40e148451afa30fed5715230181d20aa0cdb0ae822b66630c3cf379e07090247130201062022-05-26 23:08:311 hr 16 mins ago Arbitrum: L2 Custom Gateway 0xe71d43c9da461d01a0eeeabd253a52a7aeef75380 ETH
0x40e148451afa30fed5715230181d20aa0cdb0ae822b66630c3cf379e07090247130201062022-05-26 23:08:311 hr 16 mins ago 0xdff384f754e854890e311e3280b767f80797291e Arbitrum: L2 Custom Gateway0 ETH
0xa3ced29a2588e527e6dd1d5f29db05ff030cf6486cbc1d081328a0c14cfd3a70130186922022-05-26 22:23:392 hrs 1 min ago Arbitrum: L2 Custom Gateway 0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb90 ETH
0xa3ced29a2588e527e6dd1d5f29db05ff030cf6486cbc1d081328a0c14cfd3a70130186922022-05-26 22:23:392 hrs 1 min ago Arbitrum: L2 Custom Gateway 0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb90 ETH
0xa3ced29a2588e527e6dd1d5f29db05ff030cf6486cbc1d081328a0c14cfd3a70130186922022-05-26 22:23:392 hrs 1 min ago Arbitrum: L2 Custom Gateway 0xe71d43c9da461d01a0eeeabd253a52a7aeef75380 ETH
0xa3ced29a2588e527e6dd1d5f29db05ff030cf6486cbc1d081328a0c14cfd3a70130186922022-05-26 22:23:392 hrs 1 min ago 0xdff384f754e854890e311e3280b767f80797291e Arbitrum: L2 Custom Gateway0 ETH
0xeee26aacc686aca68f061e19a325054eb07f82b61666decad4d8a0271f8ad287130164152022-05-26 21:06:013 hrs 18 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0xeee26aacc686aca68f061e19a325054eb07f82b61666decad4d8a0271f8ad287130164152022-05-26 21:06:013 hrs 18 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
0xeee26aacc686aca68f061e19a325054eb07f82b61666decad4d8a0271f8ad287130164152022-05-26 21:06:013 hrs 18 mins ago Arbitrum: L2 Custom Gateway 0xe71d43c9da461d01a0eeeabd253a52a7aeef75380 ETH
0xeee26aacc686aca68f061e19a325054eb07f82b61666decad4d8a0271f8ad287130164152022-05-26 21:06:013 hrs 18 mins ago 0xdff384f754e854890e311e3280b767f80797291e Arbitrum: L2 Custom Gateway0 ETH
0x5660fd3a256201b81fd9da0900f16da3d3940ed3f54d1d1b4a0d81c2e951392d130160032022-05-26 20:56:173 hrs 28 mins ago Arbitrum: L2 Custom GatewayArbitrum: ArbSys0 ETH
0x5660fd3a256201b81fd9da0900f16da3d3940ed3f54d1d1b4a0d81c2e951392d130160032022-05-26 20:56:173 hrs 28 mins ago Arbitrum: L2 Custom Gateway 0xff970a61a04b1ca14834a43f5de4533ebddb5cc80 ETH
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x5288c571Fd7aD117beA99bF60FE0846C4E84F933

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.6.11+commit.5ef660b1

Optimization Enabled:
Yes with 100 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 virtual 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 virtual 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 virtual ifAdmin {
        _upgradeTo(newImplementation);
        Address.functionDelegateCall(newImplementation, data);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view virtual 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 virtual override {
        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) {
            Address.functionDelegateCall(_logic, _data);
        }
    }

    /**
     * @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 view virtual override 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 virtual {
        _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 virtual {
        // 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 view virtual 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 virtual {
        _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 virtual {
        _fallback();
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(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": 100
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "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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