Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @title: _404/
/// @author: manifold.xyz
import "./ERC1155Creator.sol";
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// //
// //
// . .:-=-=.::..... . =:::: //
// . . :: ..-. ...:::-=-:. .- . ::-:=. //
// . . . .. .-....:--==*+:=- . .. -+++*:. //
// . . . .=::.=+:=-....::.:. . .. . ++===:=-: //
// : . .. :----... ..... : . .::.:-=-- //
// . . . . .. ..- . :: :-: ... .-*#+ //
// . : : . .. .. . +*+-::... ...:-## //
// . : . . . :-:+: -..:..... ...:* //
// . . : . : .:==.-:.: ... .:-=-. . : //
// . . : : .:... . ..::-=++=-.. . : *=- //
// : . . . : :---. ..::: . %++ //
// : . . . . : . --. . : #*- //
// : : . . .. . .. .. .=- %*= //
// : - . . . . ..: .::: .: .@#+ //
// .- .. . . . . .::::. .::. -. :%%- //
// . .. . . . :::::. ..:::-=: ..:%@* //
// . : . . . :----. ..:::.. .. ..--# //
// . . . - . . .-:. ..... ..:: :++*# //
// .. .. : . . . ::---=..: :+=-: //
// .. : . : .: . . .::-+:. . ::- .. . //
// .. : . . .::::.. .: -: . //
// .. . . . . ..:::.. ..:.... ...- //
// .. . . . : . .:--::. ...... .:: //
// . . . . : . . . . :::. ... . ... //
// . . : . . : .... . --::. .=:+ . . //
// : : . .-::.: . .. ...-%-.. : . . //
// . . .. . . . .===:-. .-+::. .: //
// . : . . : : :=.. : .#*#+ .. ..: //
// : . ..::. .:. . . : :..* - . .:.:::: :...:=-: //
// . .: . ..... .=.. . : .. +: =. .::::.. .. .:.- //
// . . :: : .:..:. ....:: : -: +: : :. .. :. .- //
// ..--#=. :. =:=++=+. : .==+##*++@+==+++#=+=-==.. ...-- .:--+=-. :=++==..: =: . . . .+ =%*: .. ..::. //
// +:@%+* -+@%%@@: . .+@@@@@@@@@@@@@@@@@%#==:... -=@@@@@= *@@@@%::. : . :%@@@##%. .. //
// -*@=#*+### . -+@%@@@. : .+@@@@@@@@%%@@@@@@@@%%#@. -=@@@@@- ::%%#-.=- ... ..:+:%+%@@@%++: //
// :.++=.#@@@@@ -*@@@@@. . ::-*%%@#**--=..:+:-=+#@@@%@: -=@@@@@=...:.==*@+%*+=*: .. . . .:++@@@@@@+: . //
// . +@@@@@-=--+==-*#%@@@%# . :.--#@%@%- ..... :=@@@@@. .-=@@@@@*%**#*@%%@@@@@@%=:.. .: + %@@@@%*=-=. -. .. : //
// = +@@@@@@@@@@@@@@@@@===*.:::=:=*%@@%**%@. .-@@@@@: . -=#@@@@@@@@@@@@@@@@@@%@@-.:: .:+%@@@@@*+- : : =:-:. . : //
// . *@@@@@@@@@@@@@@@@@#%@+....==++*=+@@@@@: =@@%@@. .:.-=--%@@@@@@@@@@@@@@@@@@@%@@: : .. :@@@%#@@- :. - : +-=-.... . //
// . .. -=----.. =-+%%@%%*+++::.. . --=@@@@%. =@@%@* . =: -==:-==:.=-:---=#@@%%@%. : =-:#@@@*-%= . . -::....+:: //
// . . :. ==+=+@%%%*%@@. :=@@@@@++==++==+*%%*- :- :=%@@@@%:. . .*%@@+@@= . . .-..-..:-: //
// . :. ..-. :: =*-**=:%@@@@@. :+@@@@@@@@@@@@@@#:=*-... --+@@@@@:. . .. :-%@%#-%#::. :- ..:....:. //
// . . +#===+=======-==-:: . :-..:. :. == - *@@@@@. -+@@@@@@%@@@@@@@@@@@**.: ..#@@@@@:. . .==@@+@@#. .. . :=. ..:::..: //
// : . #@@@@@@@@@@@@@@@@@#*==-.:. :-..=. :=-:=+ ...=#+-==-:+--==+==+=---. . . ==:=+- . . :-==:.=-.. . . .. .-:.- . //
// .. = . #@@@@@#%%@%@@@%@@@=:.-:.-=..: ..::... * . .. .. . . . . . .. . . . . .. . . : //
// : . :-=:-: :+*:===.--=:::-. ...-:.: . :. :. . . . . . . . : .: .- . . . //
// : :.--:-:. ::.:=: :.:-.: . . :. :. . . : . . . . . . . . .. :..- //
// .. . ...---..--:==-.: ...-:.. . : : . : . . . . . .:::. : - //
// =.. :-- :.-::=.-=:. ..:-:.. . . . . . . . . . . . . . ::.: : . //
// ..--:::=: . :: -:.: . . . . . . . . . . . . . . . . . . .. . - //
// ..*-:=---:==: . . .. : . . . . . . . . ::=::.-:.: //
// :. .:.:==:.. .. : : .: . . . . . . . --+=..=--= //
// :. :. ...:. . . . . . .: : . . . . . . . :::--=+::: //
// . .--... .. .: .- :- -. .. . . .. : . .. . . . .. . . . . .. :-*.==:--. //
// . . :.:- :: *: :. . .. .. . . .= . . . : . . . . -:* --.:=- //
// .- -= *-.+: . : - . . : = . . - . .: : .. . . ..-..-. : //
// .. :: .. : :- *-.*-... : . - : : - . = . + . . : .. . .. .. . : :=: //
// . . : .. -- --.:.. . . + - : . . . : . . = .: . . : . . .. . : .. //
// :.-- . : . : . . . . : . :. .- . . . . : . //
// .. . . : ... : : . . . . . . :. :. . . :. . . : .. //
// . : ..::. . . . : : . .. . . . . . : . . . .. ... //
// . - -. ..-=:.:... . : - : . . . . . .= - . . . .:::: //
// . .. . :+ : . ..:- :.:- : . . - .. . .. . . .. . : . ...::-=: //
// . .. :. : . . -+. . :..- .: .=: . .-:*. =. . :. . . ...... .. //
// . .: . . :. .. - .. :. . =+ :-. :. ..:=: -..:..::.= :=-=. = . . . ... .. . //
// . .. .. . :. -- .: -. .... -- ...=+=-:.-. . ....:.: :--=-.-: . . . . . .:- ...=: //
// .. .. .. :: -. .: :..:... .. :. .:*++:.:. ......::.: =#-==:-- . . . . . :--.:.:*+: //
// .. .. .. :: .. :..:.. . =. =++. . :. ....-:-=.:=-+#-=- . . --=.-. ++= //
// . . . :. .. :..... : : .:-:-: ....:::-.:-::--==-=: . . . . . . .--: .-- //
// : .:. . .. . .:..... : . . .. :-:-=:.:..=--+-:-:-. . . . :.:: :::-:: //
// . .: .. : . ::....: :. ...:.:---=::=--=--=-:=:.. . .. .. . -.=: =:.--: //
// .. ...: : :. :... +-:-:::.....==-*=-=----. . . .. : : : -: -::=.. //
// .. . -. :. . .: .+.....::.-::++=+:. .. . . . . . :. :. . . :.-: :..-=. //
// . . -: : .: .-:.:..-:.:::: .. . . . . .. .. . . : -.-: :::=.. //
// :. .. =..= . ..-:.. .:::: . . .: .- . : : : -.:. . :+=: //
// : :..= . ......:. . - .- .: . . . . //
// //
// //
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
contract x404x is ERC1155Creator {
constructor() ERC1155Creator() {}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";
contract ERC1155Creator is Proxy {
constructor() {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x142FD5b9d67721EfDA3A5E2E9be47A96c9B724A4;
Address.functionDelegateCall(
0x142FD5b9d67721EfDA3A5E2E9be47A96c9B724A4,
abi.encodeWithSignature("initialize()")
);
}
/**
* @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 Returns the current implementation address.
*/
function implementation() public view returns (address) {
return _implementation();
}
function _implementation() internal override view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/Proxy.sol)
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 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 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 {}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @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
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 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);
}
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)
pragma solidity ^0.8.0;
/**
* @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) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
assembly {
r.slot := slot
}
}
}