Contract 0x5288c571Fd7aD117beA99bF60FE0846C4E84F933 2

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Contract Overview

Arbitrum One: L2 Gateway Router
Balance:
0 ETH

ETH Value:
$0.00
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x1b632cff21fc853ce86af44df7ef674194531dd638acf21980bed9cbecb3e2deOutbound Transfe...266133312022-09-25 15:14:1318 mins ago0x8c5f69d872879e9193dd988b37f12673e96e78c2 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002909
0x3c9ef8ce108f023a945479c0177c750067d69b1c15f196064e4fd9a8f04af2a7Outbound Transfe...266020182022-09-25 14:18:031 hr 14 mins ago0x625d6e3f15c8c42a04d342d18937c6167f71e521 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002736
0xe0c97a27e4851af37618299c66ebe5a3318f7058bbc2d4df854379c7107633c4Outbound Transfe...265778452022-09-25 12:23:373 hrs 8 mins ago0x9a84a1e6aa600a4aef8569a5320465a9b13e5601 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002638
0x54d496a23bec9c53ff50a69ed53c44577df52d8f2335ba57aba75a88bd2802e8Outbound Transfe...265708412022-09-25 11:43:143 hrs 49 mins ago0xd3c97cbb8636a9920fce40f63b4f419aac50f342 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002349
0x8acd50da4c9c410a7cfe0e2eb3772f6dc304ba00317e68b9f278f77898431175Outbound Transfe...265414872022-09-25 8:36:586 hrs 55 mins ago0x8cb5e212e6a3b70229ac1edb56fe5e6db199dde4 IN  Arbitrum One: L2 Gateway Router0 ETH0.0000242
0x77fa2a8b35535480b81743132618253a6c008a83168d8d1d83dcbe2acc16983dOutbound Transfe...265399622022-09-25 8:28:167 hrs 4 mins ago0x3791bdc85d3da2ffaf94836cc2e309a54c63eca3 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002393
0xa98aedc620fa958fdbf75d8273c4febae8c784e416c3f42c36546cc4fb64d762Outbound Transfe...265318632022-09-25 7:44:087 hrs 48 mins ago0x719154cee29258f668336b12cfe15dd73f79f0bf IN  Arbitrum One: L2 Gateway Router0 ETH0.00002304
0x190becaf005c850ce19d4b31385b40ebe7bfbcf15ae24d0f66e7db5766c8a826Outbound Transfe...265293512022-09-25 7:29:298 hrs 3 mins ago0x16c0cb668e63cd2cefa4373d02c3128c3e63aeb0 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002296
0xbd51419e22642df90fd98fee8e2efb3611a7e8bdfb12c5995fcfd0dd4f18f13bOutbound Transfe...265137792022-09-25 5:54:379 hrs 37 mins ago0x1768c177248f94ee349dda1e31e4f8ed1d40b0d1 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002322
0x588262a9468e103ce4e01727ed58024a41f250aff5ef9d78ea629eb18d852a5bOutbound Transfe...265038972022-09-25 4:37:2410 hrs 55 mins ago0xdbf01a7705451170e1191d354ee9eb84245f4861 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002372
0xc5410ba388bc8c3bc9158f083dd551bb3f847a234adac8f3caa6616caac75dbeOutbound Transfe...264891362022-09-25 2:39:3812 hrs 52 mins ago0x577fc12337081077d199bac075aca6c26a9f4121 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002299
0x73f276872a63d7d87baac1167a94f885527b72ad4ebb600670eb117e92a155c0Outbound Transfe...264596922022-09-24 21:30:2218 hrs 2 mins ago0xdcd7ed384e76ac5d3255ad377e77e28f7104fd8e IN  Arbitrum One: L2 Gateway Router0 ETH0.00003356
0xa044e4e83898b8e129b03f0d15b3cc6ad521402e7406a9e74cf95c87eaf374e0Outbound Transfe...264355572022-09-24 17:48:4921 hrs 43 mins ago0x0ead01d3d2ed336d12ca73e245d2acd09c964eb8 IN  Arbitrum One: L2 Gateway Router0 ETH0.0000274
0xab9eab22c5413ac9d01308f923f4659dfbb405355b14d8ac3f999ea5fdfd24ceOutbound Transfe...264278612022-09-24 16:44:4422 hrs 47 mins ago0x77d7eb36c6de5ab68fb648ee7f2cc23481a9b85b IN  Arbitrum One: L2 Gateway Router0 ETH0.00002566
0x23cfc9cf3302267a940edc443e0f29dc63c000ea09925fdb507d5f5ea051d129Outbound Transfe...264169122022-09-24 15:31:401 day ago0xbeca7862b0ae6e5d4511137a753604deec8a594d IN  Arbitrum One: L2 Gateway Router0 ETH0.00027294
0x9124b26b8acd6de817d51c11686e2c6ac062ea4890ebc133b281ef81f251b6e2Outbound Transfe...263464242022-09-24 8:11:381 day 7 hrs ago0xd4329b4224e55c1f24b3dc63291c7a727579f7e5 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002369
0x37f5241096fcb46a877ed987e71971c42791b35dffe4f9c063bb8ab99fa9244eOutbound Transfe...263210272022-09-24 5:21:421 day 10 hrs agoLivepeer Titan Node: Deployer IN  Arbitrum One: L2 Gateway Router0 ETH0.00002336
0xd1026d8085facd131fc0d665a0fe6760b12d39685a495a8b61e39ec2fc68c001Outbound Transfe...263194282022-09-24 5:09:171 day 10 hrs ago0x63504639e365763836e9b135916de3d08304fbeb IN  Arbitrum One: L2 Gateway Router0 ETH0.00002431
0xcf38b3fe57a4d823d0dd4b4ba3792f51640a4575f7da8fb582e5006bf60bceb3Outbound Transfe...263172262022-09-24 4:50:031 day 10 hrs ago0x2ce910fbba65b454bbaf6a18c952a70f3bcd8299 IN  Arbitrum One: L2 Gateway Router0 ETH0.0023824
0xa00f862cab9faeffb44e508db63bcfb84ba10355e0d976b29e013be95369cb4cOutbound Transfe...263030442022-09-24 3:11:481 day 12 hrs ago0xf6be5b79f2c702506dfb6f304974d25571e4a6aa IN  Arbitrum One: L2 Gateway Router0 ETH0.00002592
0x37e30e747bf2878684c033020a1ba48a157d5ab84c168645b2300566f50a2519Outbound Transfe...262882022022-09-24 1:07:061 day 14 hrs ago0xe9d22623d59e4763927dc824b195384e46b35254 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002549
0xe48a93947ec05e0b8ad5b1a82ae0d8ec0a9f009701f839000170f7ed5948566fOutbound Transfe...262848312022-09-24 0:35:111 day 14 hrs ago0x3829d4ec8a07a2c4841b90b525c6c24c4db4ed92 IN  Arbitrum One: L2 Gateway Router0 ETH0.0000281
0xabe7cc61a40c5f2af9a93ec0663d162a789ae807720c52c8174e9ffa417d4facOutbound Transfe...262837592022-09-24 0:24:341 day 15 hrs ago0x797de2909991c66c66d8e730c8385bbab8d18ea6 IN  Arbitrum One: L2 Gateway Router0 ETH0.00002703
0x4e5a022a9d67b515d61b720af2b96ffc093ca3ef5a20ff1d944e021e156768eeOutbound Transfe...262718832022-09-23 22:06:521 day 17 hrs ago0x1668ae5fc2962aeb6be130bc20691bf06facd1b0 IN  Arbitrum One: L2 Gateway Router0 ETH0.00003229
0x87a3fc0f95adf7a73584567d6b53e0de845a70271dbc143b4af8f48d9b5506ecOutbound Transfe...262490342022-09-23 18:51:521 day 20 hrs ago0x5f0ffc1e29e9d9a3df918f7b0637db49c54feada IN  Arbitrum One: L2 Gateway Router0 ETH0.00005438
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x1b632cff21fc853ce86af44df7ef674194531dd638acf21980bed9cbecb3e2de266133312022-09-25 15:14:1318 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 Custom Gateway0 ETH
0x1b632cff21fc853ce86af44df7ef674194531dd638acf21980bed9cbecb3e2de266133312022-09-25 15:14:1318 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0x3c9ef8ce108f023a945479c0177c750067d69b1c15f196064e4fd9a8f04af2a7266020182022-09-25 14:18:031 hr 14 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 ERC20 Gateway0 ETH
0x3c9ef8ce108f023a945479c0177c750067d69b1c15f196064e4fd9a8f04af2a7266020182022-09-25 14:18:031 hr 14 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0xe0c97a27e4851af37618299c66ebe5a3318f7058bbc2d4df854379c7107633c4265778452022-09-25 12:23:373 hrs 8 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 Custom Gateway0 ETH
0xe0c97a27e4851af37618299c66ebe5a3318f7058bbc2d4df854379c7107633c4265778452022-09-25 12:23:373 hrs 8 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0x54d496a23bec9c53ff50a69ed53c44577df52d8f2335ba57aba75a88bd2802e8265708412022-09-25 11:43:143 hrs 49 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 ERC20 Gateway0 ETH
0x54d496a23bec9c53ff50a69ed53c44577df52d8f2335ba57aba75a88bd2802e8265708412022-09-25 11:43:143 hrs 49 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 Custom Gateway0 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Across Protocol: Arbitrum Spoke Pool V2 Arbitrum One: L2 Gateway Router0 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 DAI Gateway0 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Across Protocol: Arbitrum Spoke Pool V2 Arbitrum One: L2 Gateway Router0 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 WETH Gateway0 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Across Protocol: Arbitrum Spoke Pool V2 Arbitrum One: L2 Gateway Router0 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 ERC20 Gateway0 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0x4849ea0d3a57f4230e6eab2b647d031a031a2787368046467ee4f852711e7457265612672022-09-25 10:39:374 hrs 52 mins ago Across Protocol: Arbitrum Spoke Pool V2 Arbitrum One: L2 Gateway Router0 ETH
0x8acd50da4c9c410a7cfe0e2eb3772f6dc304ba00317e68b9f278f77898431175265414872022-09-25 8:36:586 hrs 55 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 ERC20 Gateway0 ETH
0x8acd50da4c9c410a7cfe0e2eb3772f6dc304ba00317e68b9f278f77898431175265414872022-09-25 8:36:586 hrs 55 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0x77fa2a8b35535480b81743132618253a6c008a83168d8d1d83dcbe2acc16983d265399622022-09-25 8:28:167 hrs 4 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 ERC20 Gateway0 ETH
0x77fa2a8b35535480b81743132618253a6c008a83168d8d1d83dcbe2acc16983d265399622022-09-25 8:28:167 hrs 4 mins ago Arbitrum One: L2 Gateway Router 0xe80eb0238029333e368e0bddb7acdf1b9cb282780 ETH
0xa98aedc620fa958fdbf75d8273c4febae8c784e416c3f42c36546cc4fb64d762265318632022-09-25 7:44:087 hrs 48 mins ago Arbitrum One: L2 Gateway Router Arbitrum One: L2 ERC20 Gateway0 ETH
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Contract Source Code Verified (Exact Match)

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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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000fd7b81426a0d02e377ea5252906e7527debf6a88000000000000000000000000d570ace65c43af47101fc6250fd6fc63d1c22a8600000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _logic (address): 0xfd7b81426a0d02e377ea5252906e7527debf6a88
Arg [1] : admin_ (address): 0xd570ace65c43af47101fc6250fd6fc63d1c22a86
Arg [2] : _data (bytes): 0x

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000fd7b81426a0d02e377ea5252906e7527debf6a88
Arg [1] : 000000000000000000000000d570ace65c43af47101fc6250fd6fc63d1c22a86
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000


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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