Contract Name:
GROUNDEDDREAMS
Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @title: GROUNDED DREAMS
/// @author: manifold.xyz
import "./ERC721Creator.sol";
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// //
// //
// _ _ _ _ _ _ _ _ //
// /\ \ /\ \ /\ \ /\_\ /\ \ _ /\ \ /\ \ /\ \ //
// / \ \ / \ \ / \ \ / / / _ / \ \ /\_\ / \ \____ / \ \ / \ \____ //
// / /\ \_\ / /\ \ \ / /\ \ \\ \ \__ /\_\ / /\ \ \_/ / // /\ \_____\ / /\ \ \ / /\ \_____\ //
// / / /\/_/ / / /\ \_\ / / /\ \ \\ \___\ / / // / /\ \___/ // / /\/___ // / /\ \_\ / / /\/___ / //
// / / / ______ / / /_/ / / / / / \ \_\\__ / / / // / / \/____// / / / / // /_/_ \/_// / / / / / //
// / / / /\_____\ / / /__\/ / / / / / / // / / / / // / / / / // / / / / // /____/\ / / / / / / //
// / / / \/____ // / /_____/ / / / / / // / / / / // / / / / // / / / / // /\____\/ / / / / / / //
// / / /_____/ / // / /\ \ \ / / /___/ / // / /___/ / // / / / / / \ \ \__/ / // / /______ \ \ \__/ / / //
// / / /______\/ // / / \ \ \/ / /____\/ // / /____\/ // / / / / / \ \___\/ // / /_______\ \ \___\/ / //
// \/___________/ \/_/ \_\/\/_________/ \/_________/ \/_/ \/_/ \/_____/ \/__________/ \/_____/ //
// _ _ _ _ _ _ _ //
// /\ \ /\ \ /\ \ / /\ /\_\/\_\ _ / /\ //
// / \ \____ / \ \ / \ \ / / \ / / / / //\_\ / / \ //
// / /\ \_____\ / /\ \ \ / /\ \ \ / / /\ \ /\ \/ \ \/ / // / /\ \__ //
// / / /\/___ // / /\ \_\ / / /\ \_\ / / /\ \ \ / \____\__/ // / /\ \___\ //
// / / / / / // / /_/ / / / /_/_ \/_/ / / / \ \ \ / /\/________/ \ \ \ \/___/ //
// / / / / / // / /__\/ / / /____/\ / / /___/ /\ \ / / /\/_// / / \ \ \ //
// / / / / / // / /_____/ / /\____\/ / / /_____/ /\ \ / / / / / /_ \ \ \ //
// \ \ \__/ / // / /\ \ \ / / /______ / /_________/\ \ \ / / / / / //_/\__/ / / //
// \ \___\/ // / / \ \ \/ / /_______\/ / /_ __\ \_\\/_/ / / / \ \/___/ / //
// \/_____/ \/_/ \_\/\/__________/\_\___\ /____/_/ \/_/ \_____\/ //
// ____ ____ _________ __ ________ ______ __ __ ___ ____________ _______ __ //
// / __ \/ __ \/ ____/ | / |/ / ___/ / __ ) \/ / / / / |/_ __/ ____/ / ____/ |/ / //
// / / / / /_/ / __/ / /| | / /|_/ /\__ \ / __ |\ / / / / /| | / / / __/ / /_ | / //
// / /_/ / _, _/ /___/ ___ |/ / / /___/ / / /_/ / / / / /___/ ___ |/ / / /___ / __/ / | //
// /_____/_/ |_/_____/_/ |_/_/ /_//____/ /_____/ /_/ /_____/_/ |_/_/ /_____/ /_/ /_/|_| //
// //
// PJYB#7J7JJ7#&&&&&&&&&&&&&&&&&&&&&&####################################J#5####5GYBBYBPBYYJJB##YJ?JB## //
// GBJ???7&GP55&&&&&&&&&&&&&&&&&&&&&&####################################PGBJY!7G777YGPY?5555GGJJYP&B5P //
// GGG5G&B5GBB#&&&#BBBBGGGP55555555555555555555555555555555GGGGGGGGGGB&##P@&G?55BB?!YJ?7??7!!7?JPGGJG#Y //
// J?PG#PGPB#P#&&&#GGGGGGGGGGGPPPPPPPPPPPPPPPPPPPPPPPPPPPPPGGGGGGGGGGB###BBBB&G?7?7!JJYP7!7##?7Y5J55BJG //
// YGGGYPBBB#B#P&&&BGGGGGGGGGGGPPPPP&#B#BPP55PPPPPPPPPPPPPPPPGPGGGGGGB###577!~!77!!J5BPPY77?77!!7GGB5#7 //
// ?JYG5&PB#GG&P&&&BGGGGGGGGGGGPPPP######BBGP5PPPPPPPPPPPPPPPPGGGGGGGB###B#B?7!~!YPJBGGBGGJ?!!77775G57? //
// !7777YPPPP#B#&&&#BGGGBGGGGGGPPPP##&####BBPPPPPPPPPPPP5P?YGGGGGGGGGB#####&#Y55!PJ5#BPPYP#!?7G##77!~PG //
// 7#&?!7!Y?BP#G&&&#GGGGGGGGGGGGPPPP###5B#GPPPYPPPPPPPP:^PPPPPPGGGGGGB####PYBY5G&PBGGBJ5YGP5!!7!!7!#!!~ //
// 77?!!7B577?#B&&&#BBGGGGGGGGGGGPPPGPBPGGG#PPPPPPPPGP5??J~~PPPGGGGGGG####&PP5PY#P&#GGPPP55BGY!?PBP#J!B //
// G5G!!?PG?7PBJP&&#BBBGGGGGGGGGGGGGPGGB&GG#&??Y^!!!GGPPGG^GPPGGGGGGGB###GG55GJGPY5P5PBB5YYBJGBPJB5!!P~ //
// GB#G5!777?#JBP&&&GGBBBBGGGGGGGG~77?7J&BBB?77JY!?J?~PP5PGGGGGGGGGGGB###PPB777!~JBP5PP5PBGGPYJB?J~!!Y5 //
// P&GGBB?7G##BYG&&&BGGGGBBGGGG!~~!77?J~J55??!~J^~!^~^^G!BGGGGGGGGGGGB##&!~?YB#!!G5J5G55YPPJB#PJ!!!7Y?! //
// P&G&#YJ???7JY5&&&BBBBBBBBBGP~!~!~!77~~YJ7^^~~~^!5Y7~!~~7BGGGGGGGGGG&&##J!?JP5YJPJG5G5PG5G5B!!YG!!!?7 //
// PG&G?#Y#PG##BY&&&@@@@@@@@B7?YP7J~:^^^~^~J:^??Y#77?PPY^&&&&&GBP#&&@@@@@@&BYYY?PPJP5YY5555JPY57!!!775G //
// GY5PG&#B#BGBGGG&&&BBB#&&B?~~~!?^:^~!?~~^^::::~J7P?G55&&&&&&GP#&&@@&&BB&&@#GBG5BGPPG5GYYP555Y5Y?P5GBP //
// BBPBBG#BB#GGGGPPPPP@#&GJ!~^^^:~!^^?P???J:....^:J!J~^P#B&&PY#B&&&@@@@&&&#@@#&J##J~J?PP#G5PPPGGGGYY55Y //
// #YBPG#!!!!!!#BGPGPY#&&J!!^^:5~^~77.7!7.~. .:^7:~YPG&@&G#&&&@@@@@@@@##@&@@&77BYGP5G5YYG~?G75J5JP5PP //
// #5BP7!7?PP77!!#GG55GPG&B~^^~?J^YGB~..^:. .:::#G&&##&G&&&&@@@@@@@&@&#B&@@@&PJJ?PP5P5^^?777!!!75!JP //
// #GG?777GB#P?!5GPY5JP&@@&#G^..PPBP5?^7J:.7 .?~##&&B&&#&&&&@@@@@@@@PG@@@PG&P&@BJ7B5GP5!~!P#GY!!57!?G? //
// 5GP577!7?777?Y5?P&&@@###&#Y:B!YPGBB?:..~?~B&&J&&&&&&#@#@&&@&&@@@@555Y@&&#B#P#@#YP77YJ^?~^!~~!!7!!Y55 //
// JYPBBJ7?YJJJP5&&&@&&BB&B7&55PP5PPBG5^?:~P#&&7&&&&&&&&&@&&&&@@@@@J?YJY5#@&&#BG#@#YPBJ?~JY##7?JY^JGY#P //
// YYY5BG5P5Y&&@@@B##&&&~^BGP!#?!?P5?GY7~7#&#&@&&&&&&&&&&@@&#&@@@@PJ75YPPJ?5&&&GPBP5JBYY&BYY7PPPY5~G //
// YJ5JJ5&&&@&&&@&57Y5!~BBJ#YP7J5777Y?J7?#B##&&&&&&&&&@@@&&&&##B#G#PYJ5?J55&&BPG&GYB5GGPBJYG&##&55YB //
// YJ#&&GP5&&&JYP5J!??J#J755GPJ!GPJBGJ?PJJ&&&&&B&&&&&@@@@@@@@@&77J##75JY?P?YGY#?&@GB&G5P&!77~7P55P555PB //
// JB&&&@&#&PP5PY5PYY#PBB?!B#G##PYYJ555BPB&B&#P@&&&&&@@@@@@@##BP5GP#&?G~7JJJ!5PG?&@&G&#!!7#G!!7P5G^!77G //
// G5&&@@BYYY5YYYYYP##?J??Y#B#B&#B#7GPP??&&&J@&&&&&&&@@@@@@@@#P#??Y5&JJYG5!J?G5GP#&@&G@@&#!!7?PP7!!~~?? //
// 7YYPBBG7G5YYJ5PYYYYYY5PY?5GPPGPG&@5G5#&&G#&&&&&&&&@@@@@@@&&B#@##Y&JPP5JYYJPP?7#&&&&&#@&#&#@~~~!77~~~ //
// ~!?!YP:Y5P5PYYYY55YYY5YJBP5J?J?5JYP#G#&##&&B&&&&@@@@@@@@&&&PJ5YY?P@G5YY5555G5JP#&&##&!!!J&&~^~GBBY~^ //
// !!!!7J5YYPG5~!55555555P55#PJY~YYJJ&YB@B&&@Y5P#&&&@@@@@@@&#GG7!&YY5Y7?&#GYJGGP!?J&!7!~!GBG?!?^~~~!!~~ //
// ~^^~!?5PPGG!!?PGGGP!BP?BP##PPPYYGY#YBG#&&G5Y5P&&&&@@@@@@&&G#GJ^&!5JJYGG5GYGJ!7?JJ?B~~!5PP7!~~7?~~5?G //
// P5!:!JY55PGGYYB###GPPP5PG#BPGG@&@@P5&@B5BPG#BB#&&@@&&@&&?JJ~~&7~^~5GGG.BB5B5B5G#&&!!P!!~~?5B#!~~B //
// YJ^:?77??!!5J?JPPY5PJBPG##P&P#5?#&YP5GPG&&B#YPGPGP#&&&&&&&@@@#?!~P!~G^GBPBGG#&GG~!~##&GPY7~~~7?!~~~B //
// ?JJJPPJ??77JP?P5BG###&#JB#?5JJ&?J555P55!?7&5GGGPG5?&&&&#G#P&@@@&&B#G?^^^GP~G::##G~!~BG5?5#57B!~!!~5P //
// ?YYYGGY??5PG&BGBGYGB5JJPJ7J&###B#5!!G#!PY@J?~^JJ5J&&&&@PB5&@&@@@@&5~!~~5?~^J~~JPP5!!7?J5P77777B?7 //
// P5PPGGYY77GJG5BB#B#?!~P&557??7Y!77!~!!!!?YP#PPPPBP#PB#Y#&&&&&P#BGGP@@&&&?^^#~^!!~~~~!~55B??P5?!7~5PG //
// P##PGPPPGJ:?7J!Y5G57G&PBGPPY!7!^77PGGJG?777!!7!!7JP7Y77&#B&&@@&GP7BPB&&&&~!?5~G!!~BGB7?PPP?YYJ?BPGY5 //
// PGGBPPY5GJ!~!J?!!P##7!YPPG?!!!!!!BPG5?57!?!?!JJ5?7?7!YYYY55PG&@@&#P5BP&@!~~!JGB5G#Y~!!7!~~~~PYG5J //
// BBBGJP5YYY!!PG5J7!&?!!!!!!!7PP5PJ^B!!!!!!~~~JP??~YYJY?JY?Y?##Y!5G&&&BPY5@&&!JJ!J5J~~~!PBG?~~!GB55 //
// BBPB~JY5Y5Y!7!J7&#~!!GGG5?!!!!Y7!?5!!!YBGG!~~!Y5?PJ?#7!J!Y~Y#77!J777#&&&G5&&&&#J7GYP!5!~!##BB7?7!?YG //
// #5Y&&&J&?JY@?J7!P5!!~!???!~~7?5JP#BB7!?BGB7!!GYPGPY&&Y?!^~~G!#B^~7?!JGBPB@&#G&&&##B5P5B~~~~!7?YBB?!J //
// G##BP7!77J7?5PP5@&7!~!!5J!#B?7JBBBBB?!7!!!~BBB#&P5G5Y5YY~~JY~!~&!J!?Y?~555Y!&&B&@@&&&&&#~~&G!~~7JGP! //
// BG5YGP5PP?JP5BGPPG?7!!7!!~7?77?GBBBBG#B!7JBBY?JBYYJ55!~7!!!!~~^!~~#Y!P5Y5G55JJ@&#@@@&&&&GG55&#G!!!7J //
// PPG77J?YJB5G5G##G!JG75GJY?#G77?7GG5BGBYBBBBB5YP5PPB7P?JP~~~~~~~!~^J5BGPBPBYYP?PG@&&@@&&PB#G##B#5#P75 //
// 5??Y7JJY!JJGJP&PJ???YPP7J#JJ!?5G5GGGBBBGGPGGGP5P?55!?P5!~~~~!~JPG!~YYB&#G#PBGB5JY7&&@@&P55!~~~~~55P! //
// G?5JPJ@BP?!~?#!?7~P?7P?77?7?!GY?GPPG5GGGBGGGYPJPPYJBY~!P57PY~!~~~~7PPPP5G??PY5!!7#G&#@&Y!J!PB!5~J!!5 //
// J??77JJ7YGGG5P!YY55Y?PBY?7?!!!??GP5PYGGGP5GGJGPJJY~~~~~!75PJJ?!!JY5PPP7BGP~7Y5~~~J7J&G@B!7J&BBBBGB7? //
// 5?JY?JY777BPG#GBBPGP#Y5PP?7!!77PGP5GGGPG5JGG555GP~~YPY!!J7BG7!GGGB7JYBGBBBG775!BBGY7YBB#~!!7YYBBPBBG //
// //
// //
// THIS IS A PERPETUAL PROJECT ASSISTED BY ARTIFICIAL INTELLIGENCE //
// NO TWO WORKS WILL BE THE SAME //
// ALL WORK IS FINISHED WHEN I AM //
// WHEN I TRANSITION //
// FROM PHYSICAL TO SPIRITUAL //
// I DECREY , LEGALLY THAT //
// THESE ROYALTIES OF THESE DREAMS BELONG TO MY SEED //
// THE PROMPTS BELONG TO THE FAMILY //
// BE THAT EITHER MY HUMAN CHILDREN //
// OR THE FAMILY ROBOTS //
// ALL PROCEEDS STAY IN THE FAMILY FOREVER //
// NEVER SELL THIS CONTRACT //
// FOR LESS THAN THE PRICE OF THE MOON //
// //
// //
// //
// Created by Leighton McDonald, LATE_FX , NYC-USA , July 22, 2022 //
// Thank you, OpenAI for letting me test, explore and push the boundaries of life with DALLE 2 //
// //
// //
// //
// //
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
contract GROUNDEDDREAMS is ERC721Creator {
constructor() ERC721Creator("GROUNDED DREAMS", "GROUNDEDDREAMS") {}
}
// 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 ERC721Creator is Proxy {
constructor(string memory name, string memory symbol) {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a;
Address.functionDelegateCall(
0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a,
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 v4.7.0) (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
/// @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
}
}
}