Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @title: DISTURBIA 1155
/// @author: manifold.xyz
import "./manifold/ERC1155Creator.sol";
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// //
// //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWWNXXKK0000OOO000KKXXNWWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWNX0kdolc;,'........ .....'''',;cldxk0XNWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWNKkdlc;'. .. . .';:ldOKNWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNKko:'.. .. .. . . ..':ok0NMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNKxc,.. . .. . . . .,lx0NMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWXkl,.. . . . . .,lkXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWXkl,. . .. . . .:xXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNOc'. . .. . . . 'ckXMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMWKo,.. . . .. . . . .'o0WMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMNkc. .. . . . . . . .:kNMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMNx;. .. . . . . .;kNMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMNx;. .. . .. . . . .;xNMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMNk;. .. . . . .. . . . . . ,kNMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMW0:. .. . .. . . . . . .c0WMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMNd. . .. .. . . . .oXMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMW0c. .. . . . . . ;0WMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMNd... .. . .. . . . . .xNMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMXl. .. .... . .. . . . . . .lXMMMMMMMMMMMMM //
// MMMMMMMMMMMMK: . .. . . .,,. . . .. . .,.. .:KMMMMMMMMMMMM //
// MMMMMMMMMMM0; . . .. . ,kNNk' . . . 'OXl. ;0MMMMMMMMMMM //
// MMMMMMMMMM0, . .. .. . 'o00o. .. . . ,0Wo. . ,0MMMMMMMMMM //
// MMMMMMMMMK; . ... ....... .. .. . ..... ...... ... . . .... ;KNo. . ;0MMMMMMMMM //
// MMMMMMMMKc. . .. 'dOOOOOOkxkOOOOx:.. ,xOOOOOo. 'dOOOOOOOOOOOkl. ..'okOOOOOOOOOKWNo. . :KMMMMMMMM //
// MMMMMMMNl. . .. ;KWOollkNWOollkNXl. .clloOWK, :KXklllllllldKNd. .xWKollllllllxNNo. oNMMMMMMM //
// MMMMMMWx. .. .. ;KNo ;XNl ;0Wd. oWK, :KK: .dWO. .'kWx. ,KWo. . 'kWMMMMMM //
// MMMMMM0; . .. ;KNo ;XNl ;0Wd. oWK, :KK: . .dWO. .'kWx. ,KWo. . .;0MMMMMM //
// MMMMMNo. . .. .. ;KNo ;XNl ,0Wd. lWK, :KK: . .dWO. .'kWx. ,KWd. . ..lNMMMMM //
// MMMMMO'. .. .. ;KNo. :KNl ,0Wd. lWK, :KK: . .dWO. .'kMx. ,KWd. .. ..'kMMMMM //
// MMMMNl.. .. .. ;KNo. .:KNl ,0Wd. oWK, :KK: . .dWO. .'kWx. ,KWd. . .. cNMMMM //
// MMMM0, . .. ;KNo. :KNl. ,0Wd. .:oood0WNkoodl' :XX: . .dWO. ..xWKxooooooookNWd. . .. 'OMMMM //
// MMMWd. . .. .ld, .ld, .ld;. .cxxxxxxxxxxxd, .od, . ;dc. ...lxxxkkxxxxxkxx:. . .. .dWMMM //
// MMMXc... .. .. . . . . .. . .. . . .. :XMMM //
// MMMK, . .. .. . . .. . . . .. ,0MMM //
// MMMO' . .'. .,,'. . . .'. .. . . . .. . .,. .OMMM //
// MMMO. ...d0, .lXKl. . . .o0: .. . . . ,0d. .dNk' .. .kMMM //
// MMMx. . ...kK; .,c:'. . . . ..dXc.. . .. .. ... ;Kx. . ..,c,. . .... .. .xMMM //
// MMMx. .:xxxxxxxkXK; .cxxkx:. .lxxxxxxxxd; ..ckKN0xxxxc. :o' ;o, ;dxkkxxxxkd'. ;KXkxxxxxxx:. 'oxxko. ;xkxxxxxxxo,. .xMMM //
// MMMk. . ,OKc''',;:OK; .,;xXo. :Kk;',,,'cOl. ...;kXd;,''. .dK: .o0c .';kXx;,:OK:. ;KO:,,,,,cKO' .',:OK; . .c0o,,,,,;kXl. .kMMM //
// MMMO. . ,00' ..xK; .oXo. :K0oclllloo;. .. .dXc .dK: .o0: .dK: .,,.. ;Kx. .O0' .kK; .,;;:cloxKXl. .kMMM //
// MMM0' ,OO' ..xK; .oXo. .:oloooookXd. . .dX: .. .dK: .o0: .dK: . . ;Kx. .O0' . .kK;.. .;O0xdolcckXl. '0MMM //
// MMMK; ,OO' ...xK; .oXo. . 'o; ;Kx. . .dKc. .xO' .dK: .o0: .dK: .. ..;Kx. 'O0' . .xK; . .oXo. .oXo. ;KMMM //
// MMMNl. 'kXxoooddxKK; 'ldd0N0dol'. ;00doooookKo. . .lKOdoxKO' cKOdoooood00: .;od0NOddc. . ;KKdoooooxXk. .;ooxKNkoo:. .lX0dooodd0Xo. lNMMM //
// MMMMk. ..;ccccclcc:. .:cccclcc:.. .,cccccccc:. . .,cccc:' ':ccccccccc. ,ccccccc:. . .;cccccccc;. .,cccccccc;. .:cccccccc:'. .kMMMM //
// MMMMX:. . .. . . .. . . . . .. ;KMMMM //
// MMMMWx.. . .. .. . .. . . . ...dWMMMM //
// MMMMMK:. . .. . .. . . . . ..;KMMMMM //
// MMMMMWk. . .. . . .. . . . .xWMMMMM //
// MMMMMMNl. .. .. . . .. . .. . . . . .oNMMMMMM //
// MMMMMMM0, .. .. .. . . . . ;KMMMMMMM //
// MMMMMMMWk' . . . . . . . .kWMMMMMMM //
// MMMMMMMMWx. . .. . . .. . . . .. .dWMMMMMMMM //
// MMMMMMMMMNd. . .. . . .. . . .. . .dNMMMMMMMMM //
// MMMMMMMMMMNo. . ... . . . . . . . . .dNMMMMMMMMMM //
// MMMMMMMMMMMNd. .. .. . . . . . .. .dNMMMMMMMMMMM //
// MMMMMMMMMMMMWx. . .. . . . . . . 'kWMMMMMMMMMMMM //
// MMMMMMMMMMMMMWO, . .. . . .. . . . ;0WMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMKl.. .. . . .. . . . .lKMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMNk; .. . . . . 'xNMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMKl. .. . . .. . . . . .lKMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMWO:. .. . . . .. . . . . . :OWMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMNk;. .. . . . .. . . . ..,xNMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMNx; .. .. . . .. . . .:xXMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMNx;. ... . . . . . . . .;kNMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMNOl'... . .. . . . .cONMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMWKxc. . . .. . . .:dKWMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMW0o;.. . . .. . . .,o0WMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN0d;. . .. . . . .;oONMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWKxl;. . .. . .. . .,lxKWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWN0xl:. . .. . . . .,lx0NMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWXOdl:'.. .. . ...':ldOXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWNKOxoc;'... .. ..',;coxOKNWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWNXK0kkxdolccccc:::ccclodddxk0KXNWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM //
// //
// //
// //
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
contract DIST1155 is ERC1155Creator {
constructor() ERC1155Creator("DISTURBIA 1155", "DIST1155") {}
}
// 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(string memory name, string memory symbol) {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x6bf5ed59dE0E19999d264746843FF931c0133090;
Address.functionDelegateCall(
0x6bf5ed59dE0E19999d264746843FF931c0133090,
abi.encodeWithSignature("initialize(string,string)", name, symbol)
);
}
/**
* @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 v4.6.0) (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 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 {}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 functionCallWithValue(target, data, 0, "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");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or 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 {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// 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
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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) {
/// @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
}
}
}