ETH Price: $3,517.70 (+0.69%)

Token

Stablecoin Yield (USDy)
 

Overview

Max Total Supply

3,566,982.551715873177385352 USDy

Holders

7,020

Market

Price

$0.00 @ 0.000000 ETH

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 18 Decimals)

Balance
1.879869099207624347 USDy

Value
$0.00
0xe4476033bdcb6106275673f1a64e23e4f0084166
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x59bAbc14...DC14da92d
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
InitializableUpgradeabilityProxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 6 : InitializableUpgradeabilityProxy.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;

import "./BaseUpgradeabilityProxy.sol";
import "../utils/AddressHelper.sol";

/**
 * @title InitializableUpgradeabilityProxy
 * @dev Extends BaseUpgradeabilityProxy with an initializer for initializing
 * implementation and init data.
 */
contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy {
  using AddressHelper for address;

  /**
   * @dev Contract initializer.
   * @param _factory Address of the factory containing the implementation.
   * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
   */
  function initialize(
    address _factory,
    bytes memory _data,
    uint8 _proxyType
  ) public payable {
    require(_implementation() == address(0), "Impl not zero");
    assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
    _setImplementation(_factory);
    _setProxyType(_proxyType);
    if (_data.length > 0) {
      _implementation().tryAssemblyDelegateCall(_data);
    }
  }
}

File 2 of 6 : BaseUpgradeabilityProxy.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;

import "./Proxy.sol";
import "./Address.sol";
import "./HasLogic.sol";

/**
 * @title BaseUpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract BaseUpgradeabilityProxy is Proxy {
  /**
   * @dev Emitted when the implementation is upgraded.
   * @param implementation Address of the new implementation.
   */
  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 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

  /**
   * @dev Storing type of the proxy, 1 for managerLogic, 2 for pool.
   */
  bytes32 internal constant PROXY_TYPE = 0x1000000000000000000000000000000000000000000000000000000000000000;

  /**
   * @notice Returns the current implementation.
   * @return impl Address of the current implementation
   */
  function _implementation() internal view override returns (address) {
    address factory;
    bytes32 slot = IMPLEMENTATION_SLOT;
    assembly {
      factory := sload(slot)
    }

    // Begin custom modification
    if (factory == address(0x0)) return address(0x0); // If factory not initialized return empty

    return HasLogic(factory).getLogic(_proxyType());
  }

  /// @notice Return the proxy type.
  /// @return proxyType Return type of the proxy.
  function _proxyType() internal view returns (uint8 proxyType) {
    bytes32 slot = PROXY_TYPE;
    assembly {
      proxyType := sload(slot)
    }
  }

  /**
   * @notice Upgrades the proxy to a new implementation.
   * @param newImplementation Address of the new implementation.
   */
  function _upgradeTo(address newImplementation) internal {
    _setImplementation(newImplementation);
    emit Upgraded(newImplementation);
  }

  /**
   * @notice Sets the implementation address of the proxy.
   * @param newImplementation Address of the new implementation.
   */
  function _setImplementation(address newImplementation) internal {
    require(OpenZeppelinUpgradesAddress.isContract(newImplementation), "Cannot set implementation to EOA");

    bytes32 slot = IMPLEMENTATION_SLOT;

    assembly {
      sstore(slot, newImplementation)
    }
  }

  /**
   * @notice Sets type of the proxy.
   * @param proxyType Type of the proxy.
   */
  function _setProxyType(uint8 proxyType) internal {
    bytes32 slot = PROXY_TYPE;

    assembly {
      sstore(slot, proxyType)
    }
  }
}

File 3 of 6 : AddressHelper.sol
//        __  __    __  ________  _______    ______   ________
//       /  |/  |  /  |/        |/       \  /      \ /        |
//   ____$$ |$$ |  $$ |$$$$$$$$/ $$$$$$$  |/$$$$$$  |$$$$$$$$/
//  /    $$ |$$ |__$$ |$$ |__    $$ |  $$ |$$ | _$$/ $$ |__
// /$$$$$$$ |$$    $$ |$$    |   $$ |  $$ |$$ |/    |$$    |
// $$ |  $$ |$$$$$$$$ |$$$$$/    $$ |  $$ |$$ |$$$$ |$$$$$/
// $$ \__$$ |$$ |  $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____
// $$    $$ |$$ |  $$ |$$       |$$    $$/ $$    $$/ $$       |
//  $$$$$$$/ $$/   $$/ $$$$$$$$/ $$$$$$$/   $$$$$$/  $$$$$$$$/
//
// dHEDGE DAO - https://dhedge.org
//
// Copyright (c) 2021 dHEDGE DAO
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//
// SPDX-License-Identifier: MIT

// import "./BytesLib.sol";

pragma solidity 0.7.6;

/**
 * @title A library for Address utils.
 */
library AddressHelper {
  /**
   * @notice try a contract call via assembly
   * @param to the contract address
   * @param data the call data
   * @return success if the contract call is successful or not
   */
  function tryAssemblyCall(address to, bytes memory data) internal returns (bool success) {
    assembly {
      success := call(gas(), to, 0, add(data, 0x20), mload(data), 0, 0)
      switch iszero(success)
      case 1 {
        let size := returndatasize()
        returndatacopy(0x00, 0x00, size)
        revert(0x00, size)
      }
    }
  }

  /**
   * @notice try a contract delegatecall via assembly
   * @param to the contract address
   * @param data the call data
   * @return success if the contract call is successful or not
   */
  function tryAssemblyDelegateCall(address to, bytes memory data) internal returns (bool success) {
    assembly {
      success := delegatecall(gas(), to, add(data, 0x20), mload(data), 0, 0)
      switch iszero(success)
      case 1 {
        let size := returndatasize()
        returndatacopy(0x00, 0x00, size)
        revert(0x00, size)
      }
    }
  }

  // /**
  //  * @notice try a contract call
  //  * @param to the contract address
  //  * @param data the call data
  //  * @return success if the contract call is successful or not
  //  */
  // function tryCall(address to, bytes memory data) internal returns (bool) {
  //   (bool success, bytes memory res) = to.call(data);

  //   // Get the revert message of the call and revert with it if the call failed
  //   require(success, _getRevertMsg(res));

  //   return success;
  // }

  // /**
  //  * @dev Get the revert message from a call
  //  * @notice This is needed in order to get the human-readable revert message from a call
  //  * @param response Response of the call
  //  * @return Revert message string
  //  */
  // function _getRevertMsg(bytes memory response) internal pure returns (string memory) {
  //     // If the response length is less than 68, then the transaction failed silently (without a revert message)
  //     if (response.length < 68) return "Transaction reverted silently";
  //     bytes memory revertData = response.slice(4, response.length - 4); // Remove the selector which is the first 4 bytes
  //     return abi.decode(revertData, (string)); // All that remains is the revert string
  // }
}

File 4 of 6 : Proxy.sol
//
//        __  __    __  ________  _______    ______   ________
//       /  |/  |  /  |/        |/       \  /      \ /        |
//   ____$$ |$$ |  $$ |$$$$$$$$/ $$$$$$$  |/$$$$$$  |$$$$$$$$/
//  /    $$ |$$ |__$$ |$$ |__    $$ |  $$ |$$ | _$$/ $$ |__
// /$$$$$$$ |$$    $$ |$$    |   $$ |  $$ |$$ |/    |$$    |
// $$ |  $$ |$$$$$$$$ |$$$$$/    $$ |  $$ |$$ |$$$$ |$$$$$/
// $$ \__$$ |$$ |  $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____
// $$    $$ |$$ |  $$ |$$       |$$    $$/ $$    $$/ $$       |
//  $$$$$$$/ $$/   $$/ $$$$$$$$/ $$$$$$$/   $$$$$$/  $$$$$$$$/
//
// dHEDGE DAO - https://dhedge.org
//
// Copyright (c) 2021 dHEDGE DAO
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

/**
 * @title Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
abstract contract Proxy {
  /**
   * @notice Fallback function.
   * Implemented entirely in `_fallback`.
   */
  fallback() external payable {
    _fallback();
  }

  /**
   * @notice Receive function.
   * Implemented entirely in `_fallback`.
   */
  receive() external payable {
    _fallback();
  }

  /**
   * @return The Address of the implementation.
   */
  function _implementation() internal view virtual returns (address);

  /**
   * @notice Delegates execution to an implementation contract.
   * This is a low level function that doesn't return to its internal call site.
   * It will return to the external caller whatever the implementation returns.
   * @param implementation Address to delegate.
   */
  function _delegate(address implementation) internal {
    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.
      // Warning: OVM: Using RETURNDATASIZE or RETURNDATACOPY in user asm isn't guaranteed to work
      returndatacopy(0, 0, returndatasize())

      switch result
      // delegatecall returns 0 on error.
      case 0 {
        revert(0, returndatasize())
      }
      default {
        return(0, returndatasize())
      }
    }
  }

  /**
   * @notice Function that is run as the first thing in the fallback function.
   * Can be redefined in derived contracts to add functionality.
   * Redefinitions must call super._willFallback().
   */
  // solhint-disable-next-line no-empty-blocks
  function _willFallback() internal virtual {}

  /**
   * @notice fallback implementation.
   * Extracted to enable manual triggering.
   */
  function _fallback() internal {
    _willFallback();
    _delegate(_implementation());
  }
}

File 5 of 6 : Address.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;

/**
 * Utility library of inline functions on addresses
 *
 * Source https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-solidity/v2.1.3/contracts/utils/Address.sol
 * This contract is copied here and renamed from the original to avoid clashes in the compiled artifacts
 * when the user imports a zos-lib contract (that transitively causes this contract to be compiled and added to the
 * build/artifacts folder) as well as the vanilla Address implementation from an openzeppelin version.
 */
library OpenZeppelinUpgradesAddress {
  /**
   * @notice Returns whether the target address is a contract
   * @dev This function will return false if invoked during the constructor of a contract,
   * as the code is not actually created until after the constructor finishes.
   * @param account address of the account to check
   * @return whether the target address is a contract
   */
  function isContract(address account) internal view returns (bool) {
    uint256 size;
    // XXX Currently there is no better way to check if there is a contract in an address
    // than to check the size of the code at that address.
    // See https://ethereum.stackexchange.com/a/14016/36603
    // for more details about how this works.
    // TODO Check this again before the Serenity release, because all addresses will be
    // contracts then.
    // solhint-disable-next-line no-inline-assembly
    assembly {
      size := extcodesize(account)
    }
    return size > 0;
  }
}

File 6 of 6 : HasLogic.sol
//
//        __  __    __  ________  _______    ______   ________
//       /  |/  |  /  |/        |/       \  /      \ /        |
//   ____$$ |$$ |  $$ |$$$$$$$$/ $$$$$$$  |/$$$$$$  |$$$$$$$$/
//  /    $$ |$$ |__$$ |$$ |__    $$ |  $$ |$$ | _$$/ $$ |__
// /$$$$$$$ |$$    $$ |$$    |   $$ |  $$ |$$ |/    |$$    |
// $$ |  $$ |$$$$$$$$ |$$$$$/    $$ |  $$ |$$ |$$$$ |$$$$$/
// $$ \__$$ |$$ |  $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____
// $$    $$ |$$ |  $$ |$$       |$$    $$/ $$    $$/ $$       |
//  $$$$$$$/ $$/   $$/ $$$$$$$$/ $$$$$$$/   $$$$$$/  $$$$$$$$/
//
// dHEDGE DAO - https://dhedge.org
//
// Copyright (c) 2021 dHEDGE DAO
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//
// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

interface HasLogic {
  function getLogic(uint8 _proxyType) external view returns (address);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"_factory","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"},{"internalType":"uint8","name":"_proxyType","type":"uint8"}],"name":"initialize","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Deployed Bytecode

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