ERC-721
Overview
Max Total Supply
0 MGST
Holders
40
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 MGSTLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
MGST
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 300 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @title: mugshots by cydr /// @author: manifold.xyz import "./manifold/ERC721Creator.sol"; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // // // // // // // // // .',,''..',,,,,,;;:;,;,,'.. // // ..'',:oOKKXX00O000O0KXXXX0Oxdddolc,..',. // // .;odxO00KXNNKXWNNWWWWWNK000XXXOOK0OOkxdodoc,.. // // .',;cdkOKX00XXXNWWWWWWWMWWWNXNNXXNWNKXNNXXXNXKKxlclc;. // // ..;kXNWWWNXKXXXXXXKXNNWWKXWNNWNNWMWXXKXWWNXKXNWNXKOO0KOdc. .. // // .,cloxKNWWWMWWN00XXXXKXNX0x;cOKNWWMMMNKKXXXK00KKKXXXKKXNNKxdxlc:,'. // // 'o0K0K00XNNNNWWWN0OKXXXXNNXOooxKNWWMWNNK0OkxxxOOOkxxOKKKKKX0kkOkdool,... // // 'cxKNMMMWWWWNK0XKKXXOO0kdx0XNNNWMNNWWWWX0Okx:,:dkOkxxdoxkkO0OOOxloxxxl;cl, // // .lOkkKWWWWMMMWXOxO0KKOOOOd;:xOKWMWWWNWWWWNK000xxxkxdc;;',odxkkkxxd::loc:okxc,.. ..... // // .;lox00XNWWWMWNXKOk0K000kOOdc,:dOXWWWWWNWWWMWWWNNX0xxkxc. 'lxOxoxkdc::;,;l:,;,;c;. .'.'' // // .o0KNWWWWWWWWNNXXXOk00kx00OOxc;lxk0NWNNWNXKXXNXK0OOOxxxl, .'codOKOo:ldc:l:...,cc;,.. ...''.. // // ,kKKXNWMWWWWNNWWWWWK00Okxxdddc;;o0XNWNKK0OkxOXXKOxdxdoc:' .:dxd:,,cllxddo;.. .,:;..:; ..'' // // :kKKKXNWMMWWWWWMWNNN0xdxdoolldolclxOXWKc'.';cdOO0K0KK0kl;. ..:lclc;lxkxdllc' .'..'' // // .c0KXXKKXXNMWWWWWWNK00K0xdoc:cccooccddkKx. .;lkOkkk0KKKXKx, .:oxd:;clolcc:co; .oOl..:' . // // .lKXXX0KNWWWNNWWWWNK0KKXXk;',:dkxxdooxdc;. .,oxkxddxddk00d' .''';c;..,:lclkx:..'lxd:,. // // .oXXKKXKKNMMWNXWMMWNXNXNWKo...'co:,,.... ..',';::cloOOd, .. .'.'c:,,'.:lodc::oOxc'.,, // // :KWNNNWWWWWWWMWNWWMWWWWMNO:'..... ..,odo:. . .col;.. .lxxdx0Oxdlcl:. // // .cOXXXNWMWWWXNMMMMMMMMWMWKkd:. ..... .. .;od:. .:lxKNX00Kkc;,. // // 'dO0KKXWWNNWNNWNWMMMMWWNKK0d, ..,,. .... .lko;..;xXK0XNXKOdl:,. // // .lOk0K0KNNNWWNWWNNMMMMWNNNKOx, .,:clc. ..coll:c0XXXXKKKkdddd; // // 'oO000O0XWNNWMMMMMWWWNXXNNKl. 'clc::c:'. .';coldk0XXNX0xodxx: // // .coxKK0KXNWNNWMMWWWWWWX000kl. .. .oOl::;,. ,k000KXNXOxxxkkOo. // // ;kkx0XXXNNNNWWWMMWWWWNXK0d;. .',:odoc' ;KXXNNXXXOddk00x:. // // .dXKKKXNWNWWWWWWWWWNNNKOKKl. .;oxxocloc. :0NNWWWNKOk0KOdc;. // // 'x0KXXNNNXWMWMWWWWWNXXNXKx, ,dkO0000k:',l0NNNNNNNX0KKko;'. // // .:dxkO0O0XNMMMMMMWWWNNWN0l. ;k0KkdOX00K0O0KXNXXNNOkOko;',. // // 'k00Odod0WMMMMMMMMWWWW0c. :0X0OOKKXWNNNXNNNNNKOOkkkdoxc // // ;k00OxdkKWMMMMMMMMMW0l. .cOKNNNXNNWWNWWWWNNXkxxddloo; // // ,x0xx0KKNWMMMWMWWMWO;...''.';,. .oNWWN0KNWWWWWWNNXXXKkllodkl. // // .okkddkKWMMMWWMNNWWKddkkOOc'.. .':codc,,;,.... . .. ... .. .. .;dKNKKNNNNNKO0XXKKKOolc:l, // // .lO0koo0NWMMMMMMMMWKl'...;l, ,dxOd. .;,;oocclc:ldo:. .';,.... 'cc,. .lOXKXNNNXKXXXXK0Okkxdl, // // ;OKOxd0WMWNWMMMMMWo :l. .'' ...'cxkoc::coll, .lx,..',,;:c:cokKXNO:. .:0WNWWWWNXKKK0kO0xol' // // .l0KOOKNWMX0XMMWWWWx. .;oxc. .;dk0KXNWNOc:lldkkd' lXKO0KNNNNXXX00NNXx,.,,. ,OWWNXNX00KXK00Oo;. // // ,x0KOkxkNMMMMMMMMMMNd..cKNNNXd;..'cxOOXWWWMMMWKxdk00kOOkl. ;0WWKdd0NNNNWNNNNNOddo,.. .. dWMMWWNNKKXXXKKk:. // // .ck00xcckNMMWWMMMMMMMWKOKNWWWWWNK0KNWWWWWOccOWWkxKN0c...:xo. 'kNKdokXNN0kKNXXNNXkc,,;;' ...xWWNK00OOXXOxkkd:. // // c0O00koxXWMMWWWMMMMMMMWNXNWOolccxXWWWMMMXc..:kKKK0c. .'. .dNWMWN0o',kWWWWWX0d;.'lOo. :0NWWNN00X0klclo;. // // .,xOO0OkkKNWMMMWWWMMWWWMMWWWK; .:xXMMMWk:odccxKO; .kN0dkOxdkXWMWWWNKkl:;,cxl. .,. ;kXNNXKXNKkdddl' // // .lOdd0OkxkXWMMMMMMMMWWWMMMMMK, ,OOdkXNNNk:. cKd. ;Oo..dNNKXWMWWWNNNXN0c;xKl .'. ..cOKKXNXKXXK0kOx; // // .cxdk0kxdxKWMMMMMMWWWMMMMMMMXl .xNKdlcxKKd'.cOd. .. cKX0XMMWWNXWWWWXklxXk' .'..:kXNWWWWNNXXK0Oxdc. // // :kddkkkxx0NMMMMMMWNWMMMMMMMW0;. .oXxcccd0kdoxk:. .xNNWMMWWWWWNXNWN0dcdkc. .dNNWWNWNNNNNX0xo;. // // c0kx00dxOO0NMMMMMMWWMMMMMMMMMNOll0Ko''o00kOKd. .cONWWMMWWWN0XNNN0l'cO0d...:xKWMWWNKOKNNXX0x:. // // .okdkKNNXKKXWMMMMMMWWMWWMWMMWWMWNNWN0kx0XKkc'. 'dkKWMMMMNNWWWWX0O0K0OdxKNWMWWWWWWWWXOdl:' // // :d:ck0XWXKKKXWMMMWXK0kkOOO00Ok00K0OOxddl;. .:l' .cokKXKKNNXX0kxxddxxxKMMMWWWWN0KKOdc;'. // // .oOooxxOKKKX00XWWNx,.. .. ...... .',''. ....cdo:cllxkdodxxkkxkKXNWNNWNK0K0dc;. // // ;OOkkO0KXNNXXXNWWNl. . ........ ..'.','..,''lOXWWNNNNX0Oo, // // .oKKXXXNWMWNNN0kXWWo .'. .kWMMWNNXK0xc' // // :OXKKXXXNNNNNNK00XWd. ;kK0: .cd:. ,0MMMWKOO0Oc. // // ;kXXXNXXNNNNNNNNK0KNO' .'.. ... :KWWWN0Okdl. // // .o0XNXNNNNNXXKXNWWWXNWNo. .cONNXK0kl'. // // :O0KXXXXNNWWNNNNXNWWNXKNK; 'kNNNKkdo; // // ;OKKKXXKXWWWWWWWWXXWWNK0XNd. .oKNNX0kkl. // // .kKKKXXNNNWWMWWWWWWMWWNNXNNO: .oKWNXX0Ox, // // ;kOxO00KXKXNWMWMWWWNNNNNXXX0l. 'xXXKNNKkc // // ,okkkKKK00KXNWWWWMMWWWWWNXXKKKkl. .c0NX00KOc. // // .oO000XXKXXXXNNWWMMMMMMWWWWWNNKKO: .oK0KWN0dl' // // 'oddxdxkOO00KXKXNWMMWWWWNNNWWWWWWNO, .... .... .lXNKKWWKo. // // .xOxxdooddxxkOKKKKXNWNNXNXNWWWWWWWWWO' .. ..'.. ..,;''''... ,OXNWXOxd: // // ,kOollc:ccdkk0XNNXNNNNNNNNNNNNWMWMWN0l. .... .oXKXX0xc. // // ;kxdxdoddclxOKXNNXK0KKXNWMNXXWWWWWWNNKc :0NNX0kd, // // .:dl:looddox0KKKXNNXKK0O0NWMMWNNWWWWMMWXo. . cXWXXKOo' // // ':clddddkO00O0XNXNNNWMWWNXKNWWWWWWMMMWWMMWXd' .;clllloddc,. ,OWNXNNO' . // // .;ccoxxxddk0KKKNWWWWNNWWMMWNXNNNNNWWMMMWWWWWW0; .';;cloxkkdc. 'xXNXKKk; .. // // 'lxxoodxddOXXXKKNWWWWWXXNWMMWWNNWWNNWMNXWWWWWWW0:. ..... .oNWNK0o. .. // // dddxkOKXXXXXXNXNNWMMMWWNWWMWWNNNNNNNNMNNWWWWWMMW0c. .cxKXXNXo. .'. // // kkocoxO00O00XXXNXXNWMWMMWMMMWWWWWWNWMMMMMMMMMMMMNKd. .dXWWXX0: ,o, // // xxocokkOkkxkOKKKKKNWMMMMMMWWWWNWWWWMWMMMMMMMMMMMMN0c. ,xXNNWKo' ;l' // // OkdkO0K0OkkkOKXXXNWWWWMMMWWWMWWWWNNWWMMMWMMMMMMMMMW0:. .dXNNNN0c. .od' // // ddxkOKKOO0KKKXXXXNWWWMMWWWWWMMWWWNNNNWMMWWWMMWWNWMMNOl' 'xNWXO0x, .lx, // // dkOOOKKKKXK000000KNWMMWNNNKKXWWWWWXXNWMMWWWWWWNNWMMMWX0c. .oXNNNX0o. .x0: .;;. . // // XK0OkO0000OkOKXKKKKXWMMWWNNX0XWWWWWWWWWWWWWWMMMMMWMMMMWKd;. .cKWWWNWXo. .xKl ...,:llooc;. // // kkKKKK00KKXXNNXXNNWWWWWNWWWNKXWWWWWWMWWWWWWWWMMMMMMMMMMMMXOd;. ';'''''.. .dNWWWWNO; .x0c .;'',,,'. .:c,. // // OKWNXXNNNXXNNXK00KXNWWWNWWWWXNNNWNXNWMWWWWWWWWMMWWMMMMMMMMMWN0xdlc,.',ck0OOO00kdc. ,xKWMWWNKl. 'kk' .'.coxkdlc;'... // // KNNNNXXKXXXNNWNXKKKXNNWWWWMMMMWNWWNNNWWWWMWWMMMMMMMMWNNWMMMMMMMMWWNKKXXWNKXXNWWNN0xc:,,;cxXWWWMMXd' :Od. 'clcl:;;:cloc,. // // O0KXXK0O000XWWMWWNXNNNXNWWWWWMMMWWWMMMNNMMMMMMMMMWWMMNNWMMMMMMMMMMMMMMMMMWMMMMMMMWMWWNXNWWWMWWWKl. .dOc. ,odc,cc;...;;.. // // KK0OO0XXXKKKXWWWWWWWWNNXXXXXNNWWWWWMMWWMMMMMMWWNWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWWWWWWX0x' .cOx' ';;cc'.,,,,,. // // XNK00KXXXXKXNWWWMWWNWXKXNXXX00XNWWMMMWWMWWMMMXxxXWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMWWWMNNWMNk,... .,ll'..;oc;,,'';:,.. // // 00OO0KXXKKKXNNWMMWNNXXXNNWW0xONWWWNNMMMMMWWWW0dkNWMMMMMMMMMMMMWWWWMMMMMMMMMWWMMMMMMWWMMWWWNc .. ..:ll:'.','.. // // KkxKNNNNNXXXXNNWNXXXXXWNX0OOKXXWWWWWWMMMMMWWXxdkXWMMMMMMMMMMMMMWWWMMMMMMMMWWWWMWMMMW0dlckNk. .;. .;oc. .'. // // 0kOKXK0KXNWXKKNWWNNWMMWWWX0KNNNWWWWWWWWWNXKOxd0NWMMMMWWMMMMMMMMWWMWMMMMMMMMMMMWNKko;. ,xc .kNOxodxo;,,'. // // 000KOxxOKXNXKKNWWWWWWMMWNWNXNWWWMMWWNWWWKx;.;kNWWMMMMWWMMMMMMMMWWMMMMMMMMMMMMMM0; ..;oxo. ckxkd:ld:... // // 00OOOO0KKKKK000KXWMMWWWWNWMMMMMMMMWWNXOl. .xKNWMMMMMMMMMMMMMMMMMMMMMMMWWMMMMMWNOoolokKNk. ,lcol;cc. // // 00KKkk0KKXKKXNNXXXNX0O0XNWWMMMWMWWWWWXd. .oNWWWWNNWMMMMMMMMMMMMMWWWWWMWWWXKXKO0XXXOdlOXd. .okxc' // // NXXK0OkxkOO0KXNNXXXKkkKXNNNNWWMMWWWMMWKc.,oO0xOKNXkdxXWXO0NNXNWWWWMWNWMWWXOkd;...''';:kO, .llc' // // KX0kOkdx00KXKXNNNK0kkOKXXXKXNWXXWWWMMMWKOKXNNKKXXX0xOKKOxkKOxk0NWWWWWWMWWWNNXxc' lk' . // // OKKKK0Ok0000OOKKKKOkxk00xdkKNWNNNNMMMMNKOO0XWWWWNNNXNNNNXKKKKOOKNNXNNNNX0OO00d:. .ll // // // // // // // ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// contract MGST is ERC721Creator { constructor() ERC721Creator("mugshots by cydr", "MGST") {} }
// 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 = 0x5133522ea5A0494EcB83F26311A095DDD7a9D4b6; (bool success, ) = 0x5133522ea5A0494EcB83F26311A095DDD7a9D4b6.delegatecall(abi.encodeWithSignature("initialize(string,string)", name, symbol)); require(success, "Initialization failed"); } /** * @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 } } }
{ "remappings": [ "@openzeppelin/=node_modules/@openzeppelin/" ], "optimizer": { "enabled": true, "runs": 300 }, "metadata": { "bytecodeHash": "ipfs" }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "london", "libraries": {} }
Contract Security Audit
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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Deployed Bytecode
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