ERC-721
Overview
Max Total Supply
0 NUXZERO
Holders
163
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
1 NUXZEROLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
NUXZERO
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: NUX ZERO OE /// @author: manifold.xyz import "./manifold/ERC721Creator.sol"; //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // // // // // .... ......... ......... ...... ........... .'. .. // // .,,. .......... .......... .....''''. .',,,,'''.. ';. .... ... // // ..... ................................ .... .... ... ..,;'.. .. .. . .. .. // // .',,'. ..... .. ......... .';;;,...............,o:.......... ....... ......'''. ... ....... ..';,. ...'. .... .'. .,;;;;;' ... ..,' ... . .',.. .''. // // .... . .....................''.................. .... ...;:'....... ...;,...'. .':cc:.... ..',:c,.'c:.... ..,l;..,;;;;;,..;c'.... .;:c:..... ....:c;,. // // .,;..';'. .... ..'''''''. .'''..... .;. .;;.............'''''..........'''........;,. ......... ... .'.'. ...;:::::'..;;. .,,;;;;,'. .....,ccccc:,'. .;:ccclcccl:.........;cclcc:;;;;;:::ccccc::,.. .':cccc:,'.. ...,:ccc:;'.. .. // // .',..','.................. ........ .'...''........'',,,,,,'......................... ....... ......... .,',''.... ..';:;:;,.. ..',;::::::,..::...,;;;;;;;...;;..;cccccc;'. .:ccllcllcc:;,''',;::clccc::;;;;;::ccccccc:;;,..,:cccccc:;,'..',;::ccc:'.... ... // // ............................ .';. ..............',,,,,,;,,,,,,,;;:,';c:.......,'.......... ......... .... ....''''..... ..',;:::;;'.. ...;::ccc:;,...',;,'';:,.,;:cc:;;,;cc;;:c:;;::;;:cc:ccc::;;;:cccclllcc::;;;;;;;:cc:;:::;;;;;;:cc::cc:;;:;;,;::::cc:;;;,,,,;;;:c:;,.. .';. // // ....'...''.................. .,:. ..............',;::::;,,,,,,,;:c;,:l:'......,,.....'.... ......'.'.. ............'''''......',;;:::;;'......':ccccc;''''''','..,;'.':cccccccclllcccc:::::::::::::::::::::cclllccc:;;;;;;;;;;;;;;;;;;;;;;::::::;;;;::;::::::;;;;;;;;;;;;;;;;,. ... // // .............................. .......... .....,...,,'.,;;;;;;;;;;;;;,,,,,,'''...''.........................................',,,'........,;;;:::;,,'''',;;;;;;,..'''''''',,,,':ooc:ccclllooollc:::::::::::::::::::ccclllllcc:;;;;;;;;;,,,,,,,;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;,,,,,,. .. // // .................................'','...........;l:.,lo:,;;;;;:ccccc::;;;,,,,,,,'.';;;,.......................''',,,,,'.......;:::,'.........'';cc,''''''''''''....','.',,,;;;;;:llc:::clloooooolcc:::::::::::::::::clllllllcc:;;;;;;;;;,,,,,,,,;;;;;;;;;;;;;;:::;;;;;;;;;;;;;;;;;;,,,,,'. .. // // ............................... .................'''''''',;;;;;:;:::::;;,,,,;,,'...........................',,,,,,,,,''..,,,';::::,,,,'''............'''''''','.''',;,',;;;;;;;;;;::::::clolcclolcc:::::::::::::::::cclllllccc:;;;;;;;;;;,,,,,;;;::;;;;;;;;;;;::::;;;;;;;;;;;;;;;;;,,,,;,. .. // // ...........'''............... ..... .........'''''';;::;;;;;;::::;;;;,,:oc'......................,,,,,,,;,,,,,,;:ll::odc:::::clooolc:;,,,'...........'',;;,,,;;;;;;;;;;;;;;;;;:::::;;:c:,':cc:::::::::::::::::::ccllcccc:::;;;;;;;;;;;;,,;cc:::::;;:::;;;;::::;;;;;;;;;;;;;;;;;;;,;:;. // // ............................ .. ...........',,''',,,;,,;;;;;;:::;;,,,,;,''...........................';,;;,,,,;::ccllcc::ccllloddoool,.............';::::::;;;;;;;;;;;,,;;;;;::;;;;,'''''',::::::::::::::::::cccccccccc::;;;;;;;;::;;;:coolcccc:::::::;;;;;;;;;;;:::;;;;,,;;:::;;c:. // // ............................. ......................',,,,,,;;,,,,;;;,,,,,,,,''''''''......................';;;;;;;:ccccc:;;;;:clooddddddllllcc:'.;cc;',;::::::::cc:;;;;;,,,,,;;:;;:;,'''..'''',,,,,,:c::::::::cccccccccc::::;;;;;;;;;:::lxxddxxoccccc:::;',;;'.',;::::::;,'..,;;::::c:. // // .............................. ... .................;:;,,,,,''''''',,,,,''''''''',,,''...................'',;;;;;;;:cc::;;,''',,;ldddddddxxxdddlcoddddo:::::::cccccc:;;;,;;,,;;;;;;;,'''''''',,,,,,,:cc::cc::cccccccc::;;::;;;;;,,;;;:cldkxoldkdllllllc:;''......,:::::;,......,:;,;::. // // '''''....................... ...............,;,''.....'''''''''''''''''''',,,,,'',,,'............'',,,,;;::cllcc;,'......,:coooodxxxdddxkxxxxkdlc:::cccccccccc:;;::;,;;;;;;;;;,'';;,'',,,,',:c;',::;,:ccccc:,',;,'',,,,,,,,;::lox0Oocllllllc,'','.........'';;,'.........''','. // // ;;;;,'.....'''...'......... .......''''..........''''''....'''''''''',,,,;;;;,'...........',;;;;::clllllc;''.......';cccloodddodxxxxxxxdllcccccccccccccc::cc:::::;;;;::;;;::;;,,,,'''''...''',;:cc:;,'..'...',,,,,,,;:cclx00kxocloc,'................''............''.... // // c;;;;;,,'''''''''''''...... .....''''.......................'''''''',,',',;;;;,,'......',,,''';ccccccc:;,'......',;cccclllllooxxkkkxxdlccccccccccccccccccccccc::;:c:::::::::;;,,,,,........';::;;,'.......'''',,,,;:ccldO00Oxoodc..............'........................ // // xccllc:::;,'''''''''''....... ... ..........................''''''',,,,:lollll:......... .',;:cc::.. ...':ccclllllloxkkOOkkdlcccccccccccccccccccccccccccccc:::::::::;;;;;'........,;;,,,'.......'''.'',,;clodxOOkxxdddc.....''....''','...................... // // kdolc:::::;;,,,,,,,,'''............ .....................''''''''''':llolllllcc;..;:. .::,,'.. .',;:cllooooloodkOOOOOOxllcclolcccccccccccccccccllllccccc::::::::;;:;,,'..''''',,,,,''............',;clxOOkxoooddxl'...,:,...''',;,''............'...'.. // // 00Oxdc::::;::::;;;,,,'.......... ..............'''''''.....';:clcccc;'...... .;:;;. .'loodxkxodkkkOOOOOOxoolldxdccccccclllllllclllllllccccc::cc::;;;;;,,,'''',,,,,,,,,'''.''''''.'',;clodkxdoddoodxdc;'.,;,'.''.',;;:;'...........''.'''.. // // 000kxolc:lxxlccc:;;;,'........ ..............'''...........':lccc:,.. .. .',;;;;,'. .;codxkkkkkkkkkkkkkkkxooxkxxdlcc:ccclllllllllllccllccccccccc::;;;;;,'''''',,,;,,,,,'''''',,,''',;lollooood00xox0d,......'''''';:::;;,,,'.......''''''... // // 00Okxoloox0Oocdxxdl:;;,,''.... .....................':codoo:'.. .;cccodl:;;;;,'....';codxxxkkkkkkkxkkdddxkkxxkkkkdc:::::cclllccllllc::clc::cccccc:;;;;;;,'''''',,;::,,,,''''''',;,',,;lolllooldO0xox0d'.....':;,,;:okd:;;;;;,,'''...''''''... // // 00OxdoldxOKOolk000xc:::;;,'........ ....... ......... ...'cldxxxxxc,.. .:lkOOOOOkoool;''.,;clodxxxxxxkkkkkxxddooooddxxkkkkdc:::::::cc:;,:lc:::::::::ccccc::;;;;;;;;,''',;::cc::,,''...''','''';lollodooodxdodkl'.....;ol:::cdOOOx:;ldc,,,''''''..''. // // 0KOdodxxxkOkdoxkk0xc:::::;''....... ......;ccc:;,;;,,,,,,'. .;:::::,... .'''',;lxxxxxxxxdol:;;;;;lO0OOOOOOOOOkx:.,:lddddxxxxdlcdkl,cxxdoooooodxx:,oko:;::::::;'''''',;:;;;;:::cc:::::;;;;;;;;'..'''';ccc::,.......'''''',:cloddxkkdodddxddl'.:lodolc::dO0KOlcdkl,''',''',;;,.. // // KK0xdO0Oxxdoollldxdlc:;:c:,.... ............,;cloxxxxxxkkkkkkx:'. ..cdk000x:'.....;cloddddxxxxxxxkkOO0000OOOkkkOOOOOOOkkl:o00Okkxxxxxd:;;;'..,:cloooool:,..';;;;;;::;;'......';::::::cc:::::::;;,,,;'........,ccc:;,. .''''',cloooox00OkxdkOOOkl:okkOxlldxkOkxdllodc,,::,,:cclc:;. // // KK0kkOOkxxxdolodlcloo;,:l;.............,,'......',cxxxxxkkkkkkkxdl' ..'o000O0k;.....,oxdddxdxddoddxkOO00000kdoodxxkOOOOOOO000000xdxxdxo;.........,cooc;'........'',''''........,,.';:;;:cc::::,..............'lkdc:'.. ......,cloooodkOKKxokKKOkdoxkOKOooOK00xlccloollloolldxdolc:.. // // KK0kxxdxxO0Oolk0xc;,,''''','.....''....:o:.....'cdxxxxxxxxkkkxxo' .lkO0OkkOkoccclooddddddddoccllooxO0OOOOd;;;;;;lkkOO0000O0OOkdoddddl;,'........':;'.............. ...,,..',... .'..,lllc;,. .. ..,'..;lOWKko,.''............;:loodddxkkdldOOOkdoxkkOkddkO00klc;;ldxOkddxkkOxdl:,. // // KK0OkxdkO0KOolkKd;,,'''..'''',;;;;,....',;ccccoodxxxxxxxxxxkOd,. .,:oko;;lllclclllddddollcc:::cokkOOOkoc:;;,,,,;:oO000OOOOkdoodoodoool:;,............,,...'..... . 'od:,lx; .';loxd,.. .,cxd;;okKNWWKl:dko:cl:. ... .;clddxxxdllllodxkklcdkxddddook0x:,..:ldkxddxk0KOdl:,. // // KK0OOOOOOOkxlcooc,'''''''.............'cddxdlllodxxxxxxxxxxkkxoc. ...'....':lcllllooooollllc:::cloodddol:;,,,,,lxkO0000Okdoooooodddoc::;;:;;,,'.....','. .... ..... 'odlcod; .':codxd,.... .'lOkkkOkkk0NNNX0OkkOOkdc.......;coxxxxxdllcclddxo,.cdl:cddooxkc. ....,oddxkO0Kkdoc;. // // KK0kk0KOkxdollcc;''..',,,'......;l:...';cldolllloodxxxxxxxxxkxkxl:'..;,. .....,;:lodxxdoloooolcc::::cllloooollllllodk00000000kdddoooddddoc:::::::lkk:..;xl. ...:o;.'clllll, .':oddddo;.:dc.'okOOOOOOOOOKNXK0000000OOx,.:o:.'oxxxxxxxdl:'.;oc,'...',;;;::c;'. ,oxOOOkkkxdddl. // // KK0kxkkxxxxdoodxc,'...'''''.....,c;.......';cccloddxxxxxxxxxxxxxdl:,;c:,......';okk0Okxddooc::;;;;;;;;:lolodxxxxxkOO000000000OOkddddddddoc:::::cldOKxooxOo. .;coxoccllllll:'.. .';:codddoolc;.'cox0OOOOOOOKNXK000000000Oxxxxdddxxddxxxxl...............',,'.... ..:xkOOkxxxxxxdl' // // KK0Okdooodxxllk0o,'......','................,,,,:lodddddddkkkxdlc::::;;;;,,;;::lkKKK0OOOOkxl:;,,'''';cldxddxkOOOOOO00000000000OOOkxddddxxxdl:lddodkOkxxkOl. .:clloooodkkoldkl.. ..';,',odlcc:;,,:cx0O0x::x0KNNNXK0000000000OOOOkxo;'cxl'. ................ ....:xkkkkkO0OkkOx, // // KKK0Odolclooccoxl,'.......'............','''.....',::::::oO00klcc::::::cloxkkkO00KKK00Okxxxoc:;,,',;lxkkkkkkkO00OO00000KK000000000OkxdxkkOOxoxkkkkkkkkkkko;.. ..;dxoldkOKKOOO0l. ......';:::;;;:cx0d;,..;ckXNWNK0000KK00OO00Okd;'...,. ... ..................;loxxddOKOxk00dc' // // 0K0Okocc:::::::::;,....................,:,',;;''.......',o000Oxdol:;;:coxxxxxxxxxxxxxdl;',;:cccc:;clllodxdxkOO000000000000000KKK000OkxdlldxxkkkkOOkxdoodkd:,. .lddxOKKXXXXXKl..;;. ..:ol;:odl:' ....oXKkkO00KKXKK0OOO0kxl.... ..............',:lddlcoxxddkkOOdc,..;:. .',. // // xOkdollc::::::::;;,.............. .,:;,'.....,okO00000Okxc.':clodxxxddl,....... .;lddddxxxxxxxxdoodxk000000OOOkOOO0KKKKKK0Odl:'';cdkkxkOOol:;;:o:. .;cldkKKXXXXXXx:cxxc;'.. ;Oxcckk, .,dXkclk0KXKKKKK0O0OOOo,.. ......','....',;clddlcc:lxxddO0xo;..ldc,...,:odc // // lccloooolc::::::,............... :x:,:llllclodk000OOk:.....'lxxkkkl'. .oOOOOOOOOOkkxdl::cldO00000OkkkkkkO0000K0kdc''''',lxxxk0kc,;;;;;' ... ...;:,,lxOXKOk00000OO00xo; .. ;xxloxx, ...,:dOd:cdk0XOxkKK000000kl;... ........''''..,;cooooooc:lkkxx00:.. .';oxc.;xOkk0 // // :::ccoolc:::::::,.................. ,ddk0kkO0OkkxkkO0000kc,'.......,oOkOxdc. .';looxO00000000xlc::::loxO0000OOkkkkkOO00000Oo:;'''',,;:ldx0kc,;;;;;' ,:;''..',,,,,cOkc;ldk0000000Kl .;c'.;llllll' ..,;;::::::;:xOo,ckOOO0000ko:'... .. ...........',,;;;;coodddoc:lxkOO00:....';ox:.;xO0KK // // :;::cllc::::::::;,'......... .. 'lllllokK0000000000Okdl,......:ldkkxo;'. .cc:;;;::oO00000xc:::::dOO0000OOOOkkO0K0000000Okl,,',;;;;::lkkl::cc::;'';:;,''',,,,,',::;;:cdKK000KKKklc,,lxdoollll:;,,,;;;;;::::;;;;;,,;:odk0kxl'...... ... .................';;;;;;cloddooc:ldxkOOOc....;:od;.'dk0K0 // // ldoc:clc::::::::;;,........ ..',;:cldkOO00000OOOOOOOdlllllokOkkxxoc;. .;;''..,:lxk0000kol::loxO0000000OO0KKKK0000000Okl,,;;;;;;;;:clxkoccoxo:;::::;''''','',;;;;::d00kk00Okd:;''oOOOxolll:;;,,;;;;,,,:;,,,,,,,,,,;d0o'...............................',;;;;;;::cllccccldddxOOdlc;cxx:'. ..;x0O // // dOklclllcc::::::;,'...',,''. ....:lodxxkOOOOOOOOOOO000000000KK0Okkdc;. ...,;;;coddk0KOkxoolloodxk0000000KKXXXKK000000Okl;;;;;;;;;;cdxO0xooxkd:;::::;''''''''',,;;;,cxkkxddxkxdl,'d0xccll;,,,,,,,,,,,',,,,,,,,,,''''','................................',;;;;;;cllllooc:lddddkkc',:cccod;.'lxkO0 // // OOkdooolcc::::::,....',,;;,'. ..;oddxkOOOOOOOOdlllllok0000000000OOd:'. ...,:clodxkkOOoclooooooddxxkO0OO0XXXXXK0kO00Okol:;;;;;;;;cldkkOOxddxxd::llc:;'''''''''',;;,':ddoolcdOOOkxx0Kd,,;;'',,,,,,,,'''''',',,'..........................................,;;,,;;codooddc;lxxxxxx;...'';xKd:lO000K // // 00Oxdoolcc::::::,''.'''','......... ..;loooxkO0OOOkkdo,......:dk0000OOOOOOkxo'....,,;;::ccoOOOkdllccoollodddxkkkk0XXXXKKOxkkkxxolc;;;;;;:lodxxxkkkxxxxdllodol:'''',,,',,;;:;;lxxlldxk00KKXXXKd,,''',,,,,,,,,'''''''''...........................''''...'''.......',,'',,coollddc;cdxxkkk:....';xKxcoO0KKK // // 0K0xdooool:::::;;,'..'''............. .:dl;;;;;:oxxxdoc...........ckOOOOOOOOkdc:,''..',;:::;,l0K0Okko;;;;:clddddddxk0XK0000kxxxxxxxxl::;;ccoodddddxxkOOkxdddddddl:;,';:;',;:::::oOOxkO000KXXXXXKkl:'':c;,,,,,,,''',:;'............................';,''''''','.......'''''';:::::ccclddxxkOc....:lll,..coOKK // // k0Odoooooool::::;,,'.''''.......... ,::;;;:cc,...... ....',:clodxxxkkOOOkxo,...';:llccccd00kdxxl,'..';lddddddxxO0OxxOOkxxxxxxddlcc:codxxdodxxxdxkkxddddddooool;;cl:;;;;::::o0KXXK0KKXXXXXXK0Oxlloo:,,,,,,,';:col'.........'...''..............'''''''''''.....'''''''''.';,''cdxkxddkkoc;.'dkl;'..;ck00 // // xOkoooooooooolc:;,'''''',,,'.... ...'ddc:;,. .......:llllllodkOOOkko;'....,clloollcoxd;':o;......;loddoodxxxxxxxxkkkkkxxollccclodOKOxkOOxdddddddddddlccllllllllc;;;;;:dKXXXXXXKKKXXXXKKO0XKkdc,,,,;,,;okxdl'.........'''''''...';,.........'',,,,'.......''''''','.....'cokK0xdkk:...'dO0Kl.,dO00K // // kkxllloooooooool:,,,,'',;,....... .''.... .......,:llllloddxkxxdoc'.,clllooollc;..............,:oo::odxxxxxkkOOkkxkxdol:cclloOKKKK0Oxddddddddddoc::cloollllc;,'',,o0KXXXXXKKKXXXXKKKKXKkxc;;;;;;::dkkxl'.........''''''''''lko:,.......;:clc:;'......''''''',,,'.'',:lx0Okxkk:...;xO0Kklc;:kKK // // OOklcodooooooooolc:;;::::,'........... .... .',. ........,:ooooddxxxxxxdlcoddoloooo:'...............',::;;:cx0Oxx0K0Okdxxkkkc.,:ccoOXKKKK0kdxddddddolc:::cokOdlodl,''''':dkKXXKKKXXXXXXKXXK0Okxc;;;;;;;;oko,'..........''''''';oxkkdc:,....';clloll // // // // // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// contract NUXZERO is ERC721Creator { constructor() ERC721Creator("NUX ZERO OE", "NUXZERO") {} }
// 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 = 0x2d3fC875de7Fe7Da43AD0afa0E7023c9B91D06b1; Address.functionDelegateCall( 0x2d3fC875de7Fe7Da43AD0afa0E7023c9B91D06b1, 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 } } }
{ "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
- No Contract Security Audit Submitted- Submit Audit Here
[{"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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