FTM Price: $0.42 (-2.59%)
Gas: 14 Gwei

Contract

0xa4EB2E1284D9E30fb656Fe6b34c1680Ef5d4cBFC
 

Overview

FTM Balance

Fantom LogoFantom LogoFantom Logo0 FTM

FTM Value

$0.00

Sponsored

Transaction Hash
Method
Block
From
To
Value
Upgrade254558052021-12-19 21:50:14793 days 12 mins ago1639950614IN
Tetu: Contract Reader
0 FTM0.01657217323.9284
Set Price Calcul...220154242021-11-14 9:57:18828 days 12 hrs ago1636883838IN
Tetu: Contract Reader
0 FTM0.00347851103.2079
Initialize220153992021-11-14 9:56:57828 days 12 hrs ago1636883817IN
Tetu: Contract Reader
0 FTM0.01172603102.4609
0x60806040220153902021-11-14 9:56:51828 days 12 hrs ago1636883811IN
 Contract Creation
0 FTM0.0299872102.5512

Latest 1 internal transaction

Parent Txn Hash Block From To Value
220153902021-11-14 9:56:51828 days 12 hrs ago1636883811  Contract Creation0 FTM
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x6ce857...Cec6D5E4
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
TetuProxyGov

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 150 runs

Other Settings:
default evmVersion
File 1 of 6 : TetuProxyGov.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 Governance Wallet has access.
///      This Proxy should be used for non critical contracts only!
/// @author belbix
contract TetuProxyGov is UpgradeableProxy, ITetuProxy {

  constructor(address _logic) UpgradeableProxy(_logic) {
  }

  /// @notice Upgrade contract logic
  /// @dev Upgrade allowed only for Governance. No time-lock period
  /// @param _newImplementation Implementation address
  function upgrade(address _newImplementation) external override {
    require(IControllable(address(this)).isGovernance(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)).isGovernance(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);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal 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": 150
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "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"}]

Deployed Bytecode

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