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Overview

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Sponsored

Transaction Hash
Method
Block
From
To
Value
Announce Mint175918682021-08-04 0:07:07968 days ago1628035627IN
Tetu: Announcer
0 MATIC0.001546046
Announce Address...175248692021-08-02 6:02:09970 days ago1627884129IN
Tetu: Announcer
0 MATIC0.000376382
Announce Mint174632772021-07-31 15:09:31971 days ago1627744171IN
Tetu: Announcer
0 MATIC0.001546046
Initialize174623032021-07-31 14:33:55971 days ago1627742035IN
Tetu: Announcer
0 MATIC0.001296066
0x60806040174622992021-07-31 14:33:47971 days ago1627742027IN
 Create: TetuProxyControlled
0 MATIC0.001778476

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Contract Source Code Verified (Exact Match)

Contract Name:
TetuProxyControlled

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 6 : TetuProxyControlled.sol
// SPDX-License-Identifier: ISC
/**
* By using this software, you understand, acknowledge and accept that Tetu
* and/or the underlying software are provided “as is” and “as available”
* basis and without warranties or representations of any kind either expressed
* or implied. Any use of this open source software released under the ISC
* Internet Systems Consortium license is done at your own risk to the fullest
* extent permissible pursuant to applicable law any and all liability as well
* as all warranties, including any fitness for a particular purpose with respect
* to Tetu and/or the underlying software and the use thereof are disclaimed.
*/

pragma solidity 0.8.4;

import "../base/interface/IControllable.sol";
import "./UpgradeableProxy.sol";
import "./interface/ITetuProxy.sol";

/// @title EIP1967 Upgradable proxy implementation.
/// @dev Only Controller has access and should implement time-lock for upgrade action.
/// @author belbix
contract TetuProxyControlled is UpgradeableProxy, ITetuProxy {

  constructor(address _logic) UpgradeableProxy(_logic) {
  }

  /// @notice Upgrade contract logic
  /// @dev Upgrade allowed only for Controller and should be done only after time-lock period
  /// @param _newImplementation Implementation address
  function upgrade(address _newImplementation) external override {
    require(IControllable(address(this)).isController(msg.sender), "forbidden");
    _upgradeTo(_newImplementation);

    // the new contract must have the same ABI and you must have the power to change it again
    require(IControllable(address(this)).isController(msg.sender), "wrong impl");
  }

  /// @notice Return current logic implementation
  function implementation() external override view returns (address) {
    return _implementation();
  }
}

File 2 of 6 : IControllable.sol
// SPDX-License-Identifier: ISC
/**
* By using this software, you understand, acknowledge and accept that Tetu
* and/or the underlying software are provided “as is” and “as available”
* basis and without warranties or representations of any kind either expressed
* or implied. Any use of this open source software released under the ISC
* Internet Systems Consortium license is done at your own risk to the fullest
* extent permissible pursuant to applicable law any and all liability as well
* as all warranties, including any fitness for a particular purpose with respect
* to Tetu and/or the underlying software and the use thereof are disclaimed.
*/

pragma solidity 0.8.4;

interface IControllable {

  function isController(address _contract) external view returns (bool);

  function isGovernance(address _contract) external view returns (bool);
}

File 3 of 6 : UpgradeableProxy.sol
// SPDX-License-Identifier: ISC
/**
* By using this software, you understand, acknowledge and accept that Tetu
* and/or the underlying software are provided “as is” and “as available”
* basis and without warranties or representations of any kind either expressed
* or implied. Any use of this open source software released under the ISC
* Internet Systems Consortium license is done at your own risk to the fullest
* extent permissible pursuant to applicable law any and all liability as well
* as all warranties, including any fitness for a particular purpose with respect
* to Tetu and/or the underlying software and the use thereof are disclaimed.
*/

pragma solidity 0.8.4;

import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";


/// @title OpenZeppelin https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.4/contracts/proxy/UpgradeableProxy.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}.
abstract 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) payable {
    assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
    _setImplementation(_logic);
  }

  /// @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 4 of 6 : ITetuProxy.sol
// SPDX-License-Identifier: ISC
/**
* By using this software, you understand, acknowledge and accept that Tetu
* and/or the underlying software are provided “as is” and “as available”
* basis and without warranties or representations of any kind either expressed
* or implied. Any use of this open source software released under the ISC
* Internet Systems Consortium license is done at your own risk to the fullest
* extent permissible pursuant to applicable law any and all liability as well
* as all warranties, including any fitness for a particular purpose with respect
* to Tetu and/or the underlying software and the use thereof are disclaimed.
*/

pragma solidity 0.8.4;

interface ITetuProxy {

  function upgrade(address _newImplementation) external;

  function implementation() external returns (address);

}

File 5 of 6 : Proxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^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 {
        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 6 of 6 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^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;
        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");

        (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");

        (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");

        (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");

        (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

                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 Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newImplementation","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Deployed Bytecode

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

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

000000000000000000000000a43ea51b3251f96bb48c48567a93b15e7e4b99f6

-----Decoded View---------------
Arg [0] : _logic (address): 0xA43eA51b3251f96bB48c48567A93b15e7e4b99F6

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000a43ea51b3251f96bb48c48567a93b15e7e4b99f6


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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.