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Contract

0x4DC42e9299f94E6246E755F0bcD83E5Ad78DCDFD
 

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0 ETH

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$0.00

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Transaction Hash
Method
Block
From
To
Proxy Assert153539492022-08-16 18:33:211321 days ago1660674801IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0026071311.4918375
Proxy Assert145542722022-04-09 22:38:181449 days ago1649543898IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0087045832.71048283
Proxy Assert144349652022-03-22 8:12:441468 days ago1647936764IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0102072526.91488516
Proxy Assert144349402022-03-22 8:05:401468 days ago1647936340IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0274330424.19106003
Proxy Assert144348532022-03-22 7:46:041468 days ago1647935164IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0321764823.37264419
Proxy Assert143607962022-03-10 18:46:511480 days ago1646938011IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0050085827.10919924
Proxy Assert143556542022-03-09 23:42:341480 days ago1646869354IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0068257325.17766218
Proxy Assert143382732022-03-07 6:54:391483 days ago1646636079IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0104259422.79486935
Proxy Assert143382162022-03-07 6:44:331483 days ago1646635473IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0085004425.12257624
Proxy Assert139289182022-01-02 23:06:101546 days ago1641164770IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0239918889.64505956
Proxy Assert139166182022-01-01 1:38:211548 days ago1641001101IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0289757491.60812577
Proxy Assert139117322021-12-31 7:15:401549 days ago1640934940IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0523620768.84664168
Proxy Assert137066362021-11-29 4:53:211581 days ago1638161601IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0204711994.38600267
Proxy Assert136995662021-11-28 1:48:411582 days ago1638064121IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0202662272.80058104
Proxy Assert136439162021-11-19 5:50:321591 days ago1637301032IN
0x4DC42e92...Ad78DCDFD
0 ETH0.07903289120.6785905
Proxy Assert136354042021-11-17 21:31:291592 days ago1637184689IN
0x4DC42e92...Ad78DCDFD
0 ETH0.03690031124.42906902
Proxy Assert135983412021-11-12 1:18:471598 days ago1636679927IN
0x4DC42e92...Ad78DCDFD
0 ETH0.07160728136.9384017
Proxy Assert133304212021-10-01 1:13:231640 days ago1633050803IN
0x4DC42e92...Ad78DCDFD
0 ETH0.0304483685.1007429

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-114217872020-12-09 23:49:091935 days ago1607557749  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x0A08E605...69EA5A5b3
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
OwnableDelegateProxy

Compiler Version
v0.4.23+commit.124ca40d

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2021-12-19
*/

contract OwnedUpgradeabilityStorage {

  // Current implementation
  address internal _implementation;

  // Owner of the contract
  address private _upgradeabilityOwner;

  /**
   * @dev Tells the address of the owner
   * @return the address of the owner
   */
  function upgradeabilityOwner() public view returns (address) {
    return _upgradeabilityOwner;
  }

  /**
   * @dev Sets the address of the owner
   */
  function setUpgradeabilityOwner(address newUpgradeabilityOwner) internal {
    _upgradeabilityOwner = newUpgradeabilityOwner;
  }

  /**
  * @dev Tells the address of the current implementation
  * @return address of the current implementation
  */
  function implementation() public view returns (address) {
    return _implementation;
  }

  /**
  * @dev Tells the proxy type (EIP 897)
  * @return Proxy type, 2 for forwarding proxy
  */
  function proxyType() public pure returns (uint256 proxyTypeId) {
    return 2;
  }
}



contract Proxy {

  /**
  * @dev Tells the address of the implementation where every call will be delegated.
  * @return address of the implementation to which it will be delegated
  */
  function implementation() public view returns (address);

  /**
  * @dev Tells the type of proxy (EIP 897)
  * @return Type of proxy, 2 for upgradeable proxy
  */
  function proxyType() public pure returns (uint256 proxyTypeId);

  /**
  * @dev Fallback function allowing to perform a delegatecall to the given implementation.
  * This function will return whatever the implementation call returns
  */
  function () payable public {
    address _impl = implementation();
    require(_impl != address(0));

    assembly {
      let ptr := mload(0x40)
      calldatacopy(ptr, 0, calldatasize)
      let result := delegatecall(gas, _impl, ptr, calldatasize, 0, 0)
      let size := returndatasize
      returndatacopy(ptr, 0, size)

      switch result
      case 0 { revert(ptr, size) }
      default { return(ptr, size) }
    }
  }
}

contract OwnedUpgradeabilityProxy is Proxy, OwnedUpgradeabilityStorage {
  /**
  * @dev Event to show ownership has been transferred
  * @param previousOwner representing the address of the previous owner
  * @param newOwner representing the address of the new owner
  */
  event ProxyOwnershipTransferred(address previousOwner, address newOwner);

  /**
  * @dev This event will be emitted every time the implementation gets upgraded
  * @param implementation representing the address of the upgraded implementation
  */
  event Upgraded(address indexed implementation);

  /**
  * @dev Upgrades the implementation address
  * @param implementation representing the address of the new implementation to be set
  */
  function _upgradeTo(address implementation) internal {
    require(_implementation != implementation);
    _implementation = implementation;
    emit Upgraded(implementation);
  }

  /**
  * @dev Throws if called by any account other than the owner.
  */
  modifier onlyProxyOwner() {
    require(msg.sender == proxyOwner());
    _;
  }

  /**
   * @dev Tells the address of the proxy owner
   * @return the address of the proxy owner
   */
  function proxyOwner() public view returns (address) {
    return upgradeabilityOwner();
  }

  /**
   * @dev Allows the current owner to transfer control of the contract to a newOwner.
   * @param newOwner The address to transfer ownership to.
   */
  function transferProxyOwnership(address newOwner) public onlyProxyOwner {
    require(newOwner != address(0));
    emit ProxyOwnershipTransferred(proxyOwner(), newOwner);
    setUpgradeabilityOwner(newOwner);
  }

  /**
   * @dev Allows the upgradeability owner to upgrade the current implementation of the proxy.
   * @param implementation representing the address of the new implementation to be set.
   */
  function upgradeTo(address implementation) public onlyProxyOwner {
    _upgradeTo(implementation);
  }

  /**
   * @dev Allows the upgradeability owner to upgrade the current implementation of the proxy
   * and delegatecall the new implementation for initialization.
   * @param implementation representing the address of the new implementation to be set.
   * @param data represents the msg.data to bet sent in the low level call. This parameter may include the function
   * signature of the implementation to be called with the needed payload
   */
  function upgradeToAndCall(address implementation, bytes data) payable public onlyProxyOwner {
    upgradeTo(implementation);
    require(address(this).delegatecall(data));
  }
}


contract OwnableDelegateProxy is OwnedUpgradeabilityProxy {

    constructor(address owner, address initialImplementation, bytes calldata)
        public
    {
        setUpgradeabilityOwner(owner);
        _upgradeTo(initialImplementation);
        require(initialImplementation.delegatecall(calldata));
    }

}

Contract Security Audit

Contract ABI

API
[{"constant":true,"inputs":[],"name":"proxyOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"implementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"proxyType","outputs":[{"name":"proxyTypeId","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":false,"inputs":[{"name":"implementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"upgradeabilityOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferProxyOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"owner","type":"address"},{"name":"initialImplementation","type":"address"},{"name":"calldata","type":"bytes"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousOwner","type":"address"},{"indexed":false,"name":"newOwner","type":"address"}],"name":"ProxyOwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]

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Deployed Bytecode

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Deployed Bytecode Sourcemap

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Swarm Source

bzzr://5f26049bbc794226b505f589b2ee1130db54310d79dd8a635c6f6c61e305a777

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