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ERC-721
Overview
Max Total Supply
1,010 MYFI_WIND_TUNNELS
Holders
269
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 MYFI_WIND_TUNNELSLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
TokenProxy
Compiler Version
v0.8.16+commit.07a7930e
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2023-02-03 */ // SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.8.13; // OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol) /** * @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 internal 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 overridden 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 internal 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 overridden should call `super._beforeFallback()`. */ function _beforeFallback() internal virtual {} } /// @title IERC1967Upgrade /// @author Rohan Kulkarni /// @notice The external ERC1967Upgrade events and errors interface IERC1967Upgrade { /// /// /// EVENTS /// /// /// /// @notice Emitted when the implementation is upgraded /// @param impl The address of the implementation event Upgraded(address impl); /// /// /// ERRORS /// /// /// /// @dev Reverts if an implementation is an invalid upgrade /// @param impl The address of the invalid implementation error INVALID_UPGRADE(address impl); /// @dev Reverts if an implementation upgrade is not stored at the storage slot of the original error UNSUPPORTED_UUID(); /// @dev Reverts if an implementation does not support ERC1822 proxiableUUID() error ONLY_UUPS(); } // OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol) /** * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified * proxy whose upgrades are fully controlled by the current implementation. */ interface IERC1822Proxiable { /** * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation * address. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. */ function proxiableUUID() external view returns (bytes32); } // OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol) /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ``` * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._ */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } } /// @title EIP712 /// @author Rohan Kulkarni /// @notice Modified from OpenZeppelin Contracts v4.7.3 (utils/Address.sol) /// - Uses custom errors `INVALID_TARGET()` & `DELEGATE_CALL_FAILED()` /// - Adds util converting address to bytes32 library Address { /// /// /// ERRORS /// /// /// /// @dev Reverts if the target of a delegatecall is not a contract error INVALID_TARGET(); /// @dev Reverts if a delegatecall has failed error DELEGATE_CALL_FAILED(); /// /// /// FUNCTIONS /// /// /// /// @dev Utility to convert an address to bytes32 function toBytes32(address _account) internal pure returns (bytes32) { return bytes32(uint256(uint160(_account)) << 96); } /// @dev If an address is a contract function isContract(address _account) internal view returns (bool rv) { assembly { rv := gt(extcodesize(_account), 0) } } /// @dev Performs a delegatecall on an address function functionDelegateCall( address _target, bytes memory _data ) internal returns (bytes memory) { if (!isContract(_target)) revert INVALID_TARGET(); (bool success, bytes memory returndata) = _target.delegatecall(_data); return verifyCallResult(success, returndata); } /// @dev Verifies a delegatecall was successful function verifyCallResult( bool _success, bytes memory _returndata ) internal pure returns (bytes memory) { if (_success) { return _returndata; } else { if (_returndata.length > 0) { assembly { let returndata_size := mload(_returndata) revert(add(32, _returndata), returndata_size) } } else { revert DELEGATE_CALL_FAILED(); } } } } /// @title ERC1967Upgrade /// @author Rohan Kulkarni /// @notice Modified from OpenZeppelin Contracts v4.7.3 (proxy/ERC1967/ERC1967Upgrade.sol) /// - Uses custom errors declared in IERC1967Upgrade /// - Removes ERC1967 admin and beacon support abstract contract ERC1967Upgrade is IERC1967Upgrade { /// /// /// CONSTANTS /// /// /// /// @dev bytes32(uint256(keccak256('eip1967.proxy.rollback')) - 1) bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143; /// @dev bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1) bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /// /// /// FUNCTIONS /// /// /// /// @dev Upgrades to an implementation with security checks for UUPS proxies and an additional function call /// @param _newImpl The new implementation address /// @param _data The encoded function call function _upgradeToAndCallUUPS( address _newImpl, bytes memory _data, bool _forceCall ) internal { if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) { _setImplementation(_newImpl); } else { try IERC1822Proxiable(_newImpl).proxiableUUID() returns ( bytes32 slot ) { if (slot != _IMPLEMENTATION_SLOT) revert UNSUPPORTED_UUID(); } catch { revert ONLY_UUPS(); } _upgradeToAndCall(_newImpl, _data, _forceCall); } } /// @dev Upgrades to an implementation with an additional function call /// @param _newImpl The new implementation address /// @param _data The encoded function call function _upgradeToAndCall( address _newImpl, bytes memory _data, bool _forceCall ) internal { _upgradeTo(_newImpl); if (_data.length > 0 || _forceCall) { Address.functionDelegateCall(_newImpl, _data); } } /// @dev Performs an implementation upgrade /// @param _newImpl The new implementation address function _upgradeTo(address _newImpl) internal { _setImplementation(_newImpl); emit Upgraded(_newImpl); } /// @dev Stores the address of an implementation /// @param _impl The implementation address function _setImplementation(address _impl) private { if (!Address.isContract(_impl)) revert INVALID_UPGRADE(_impl); StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = _impl; } /// @dev The address of the current implementation function _getImplementation() internal view returns (address) { return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; } } /// @title ERC1967Proxy /// @author Rohan Kulkarni /// @notice Modified from OpenZeppelin Contracts v4.7.3 (proxy/ERC1967/ERC1967Proxy.sol) /// - Inherits a modern, minimal ERC1967Upgrade contract ERC1967Proxy is IERC1967Upgrade, Proxy, ERC1967Upgrade { /// /// /// CONSTRUCTOR /// /// /// /// @dev Initializes the proxy with an implementation contract and encoded function call /// @param _logic The implementation address /// @param _data The encoded function call constructor(address _logic, bytes memory _data) payable { _upgradeToAndCall(_logic, _data, false); } /// /// /// FUNCTIONS /// /// /// /// @dev The address of the current implementation function _implementation() internal view virtual override returns (address) { return ERC1967Upgrade._getImplementation(); } } contract TokenProxy is ERC1967Proxy { constructor(address logic, bytes memory data) ERC1967Proxy(logic, data) {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"logic","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"DELEGATE_CALL_FAILED","type":"error"},{"inputs":[],"name":"INVALID_TARGET","type":"error"},{"inputs":[{"internalType":"address","name":"impl","type":"address"}],"name":"INVALID_UPGRADE","type":"error"},{"inputs":[],"name":"ONLY_UUPS","type":"error"},{"inputs":[],"name":"UNSUPPORTED_UUID","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"impl","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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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)
000000000000000000000000835c7f2a650e170e2f3b6c63c410f3a1571c904c00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : logic (address): 0x835c7f2a650e170e2F3B6C63C410f3A1571C904C
Arg [1] : data (bytes): 0x
-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000835c7f2a650e170e2f3b6c63c410f3a1571c904c
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
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