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ERC-1155
Overview
Max Total Supply
0 Hope
Holders
3,951
Market
Volume (24H)
0.0099 ETH
Min Price (24H)
$25.82 @ 0.009900 ETH
Max Price (24H)
$25.82 @ 0.009900 ETH
Other Info
Token Contract
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
Hope
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: Hope /// @author: manifold.xyz import "./manifold/ERC1155Creator.sol"; //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // // // // // // // KKKK000000000000O00000O000OOOOOOOOOOOOOOOOOOOOOOOOOOOOkkOkOO000OO00OO0OOOOOOOOOOOOOOkxdddddddddxddddddoooodooooooooooooooloolllolllllllllllllllllcllllllllllccllcccccccccccc::::::::::::;:;;:cc::::::::::::;;;;;;;;;,,''''''''....''''..'''.........................................................'.'''... // // KKKKKKK000000000000000OO000OOOOOOOOOOO0OOOOOOOkkOkkOOOOOkkOO000OOOO00OOOOOOOOOOOOOOOkxdddddddddddddddddooooodooooooooooooooolllollllolllllllllllclllllllllcclccccccccccccccccc:::::::;;:;:::::c::::::::::;;;;;;;;;;;,'''''''.''''......''...........'.....................................................'' // // K00K000000000O00000000000OOOOOOOOOO0OOOOOOOOOOOOOOOOOOOkkOOOOO000OOO0OOOOOOOOOOOOOkOkxxddddddddddddddddoooooodoooooooooooooollooollllllllllllllllllllllllcccccccccccccc:c:cccc::::::::;::;;::::::::::::;;;;;;;;;;;;,,'''''''''''......''..'......''...''''...............................................''' // // K000KK000O0000000OOOOOO000OOOOOOOOOOOOOOOOkOOOOOOOOOOkOkkOOOOOOO00OO0000OOOOOOOOOOOOkxdddddxdddddddddoooooooooooooooooollllloooollllllllllllllllllllllllcclllccccccccccc::::::::::::::;;;;;::::::::::::;;;;;;;;;,,,,,''''''...''''..'''''''..'.......'''.................................................'.. // // 0KK00KK0000000000000OOO0O00OOOOOOOOOOOOOOOOkOOOOOOOOOOOOkkkO00OOOOOOOO00OOOOOOOOOOOOkxdddddxdddddddoodooooooooooooooooooooollooooolllllllllllllllllllclllcclccccccccccccc::::::::;;:::;;:;;;:::::::::::::;;;;;;;,,,,,''''''...'.''...................................................................'.....' // // 00000000000000000000000000000OOOO000OO0000OOOOO00OOOOOO00OOOO000OOOOOOOOOOOOOOOOOOOOkxdddddddddddddddddooooooddoooooooooooollooloollllllllllllllllllllllllllcccccccccc:ccc::::::;;;;;;;;;:;;;:::;;;;;;;;;;,,,,,,',,'''''''...''.''''............''''''''...'..'..''..'...................................... // // K0000000000000000000000000000OO00O000000000000000000000O0000O000OOOOO0OOOOOOOOOOOOOOkxddxxddddddddddddddooooooooooooooooooooooloooolllolllllllllllllllllllllllcclccccccccc::::::;;:::;;;;;;;,;;;;,,,,,,,,,,,,,,'''''''''''.'''''''''..''.......'''''';:;'''''''''''....''................................... // // 000000000000000000000000000000O00O000000000000000000000000000000000OOOOOOOOOOOOOOOOOkxxddxdddddddddddoodoooooooooooooooooooolooooolloollllllllllllllllllcllclllllcccccccc:::::::;:;;:;;;;;;;;;;;;,,,,,,,,',,,,'''''''''''...'.....'...'........'''''',,''''''...'''....'.'.................................. // // 00000000000000K00000000000000O000000K0000000000000000000000000OOOO000OOOOOOOOOO0OOOkkxxxddddddddddddddddddddooooooooooooooooooolloooolllllllollllllllllllllllllllccc:cc::::::::;;:;;;;;;;;;;;;,;;,,,,,,,,'''''''''''''''''.'''..'............'''''''.'''''''''..'..''....................................... // // 00000000000000K000000000000000000000K000000000000000000000000OOOOOO0OOOOOOO0OOOOOOOOkxxddddddddddddddddddddooooooooooooooooooooooooollllllllllllllllllllllllllllccccc:::::::::;;:::;;;;;;;,;;;;,,,,,,,,''',,''''''''.''''.........'............'''''''''.''..'........''''...''............................. // // 0000000000000K000000000000000O00000000000K0000000000000000000OOO0OOOOOOOOOOOOOOOOOkkkxxxxxddxdddddddoddoodooooodooooooooooloooollllllllllllllllllllllllllcclllccccc:::::::::::::;;;;;;;;;;;;;;,,,,,,,,,',''''''.'''''''..............'..........'''''''..'''.''......'''.................................... // // 0000000000KK00000000000000000OOOO0000000K0000000000000000000O0OOO00OOOOOOOOOOOkkOOOkkxxddxddddddddddodddoooooooooooooooooooo:,'''................................................................................................................'''..''''''''''.'''..''.................................... // // 0000000000000000000000000000000OO000K00000000000000000O00000O0OOOO00OOOOOOOOOOOOOOOkkxdddddddddddddddoodooooooooooooooooooodc:ccccccccccccccccccccccccccccccccccccccccccccccccccllllccccccclllllllllccccccccccccccccccccccccccccccccccccclllllllc;'''''''..''''.''''',,,,'.................................. // // 00000O0000K00000000000000O000000O0000K000000000000000000000OOOOOOOOOOOOOOOOOOOOOOOOOkxxxddddddddoddddooooooooooooooooooooooxONWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWMMMMMWWWWWWWMMMMMMMMMMWWWWWWWWWWWWMWWWWWMWWWWWWWWWWWWWWWWWMMMMMMW0c'''''''...'''....'',,'''.................................. // // 000000000KK000K00000O00000000OO0000000000000000000000000000OO0OOOOOOOOOOOOOkkOOkOOkkkxdddddddddddddoooooooooooooooooooooooodONWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWMMMMMMMWWWWWWWWWWWWWWWWWWWWMMMMMMMMWWWMMWWWWWWWMMMWWWMMMWWWWWWWWWWWWWWWWMMWMWWW0:.''.''''....''......''.................................... // // 00000000000K00000000000000000OO000000000000000000000000000OOOOO0OOOOO0OOOOOOOOOOOOkkkxddddddddddddddddooooooooooooooooooooddONWMMWWMWWWWWWWWWWWWWWMMWWWWWWWMWWWWWWWWWWWWMWWWWWWWWWWWWWWWWWWMWWWWWMMMMMMWWWMWWWWWWWMWWMWWWWWWWMWWWWWWWWWWWWMMMWWW0c'''''''.'...''............................................ // // 00000000000000000000000000000000O00000000000000000000000000OOOO0OOO0OOOOOOOOOOkkkOOkkxddxxddddddddodddddddoooooooooooooooooodXMMMWWWWWWWWWWWWMWWWWWWWWWWMWWMMWWWWWWWWWWWMWMMWWMWWWWWWWWWWWWMWWWWWWMMWWWMMMMWWMWMMWWWWMWWWWWMWWWWMWWWWWWMMMWWWWWNO:.''''''''.........'....................................... // // 0000000000000000000000000000000OO0000000000000000000OOOOO00OOOOOOOOOOOOOOOOOOOkkkkkkkxxxdddddddddooddoodooooooooooooooolllolo0NNNNNNNNNNNNNNNNNNNWWWNNNNNNNNNNNNNNNXXXXXXXNNNNNNNNNNNNWWNNNNNNNNNNXXXXXXXXXXXXXXNNNNNNNNNWWWWWWWWWWNNNNNNNNNXXXKk:.''''''''.....'......'.................................... // // 00000O0000000000000OOOOOOOOOOOOOO000000000000OO00000OOO0OOOOOkkkkkkkkkkkkxkkkkxxxxxxxxxxxxxxxdddddddddddddddddddddddddoooooollooooddddddol;,,,,,,,;;cc::::::;;;;;;;,,,,,,,,,;,;;;;;;;:cc:;;;;;;;,,,,,,'''''''''',,,,,,;;;;;;;;;;,,;lxxddddddollll;.......................................................... // // 00000OO00000OO0000OOOOOOOOOOOOOOOOO000000O0OOOOOOO00OOOOOOOkkkxxkkkxxxxkxxxxxxxxxddxxxkxxxxxxxxdxxxxxddxddddddddddddddddddddodoodoooooooo:. .ldllllccccccc::::::;:;;;;,,;;;;;;ckkc,,;;;;;;;,,,,,,,,,,''''''''...'' .co;;;;;;;;,,,,........................................................... // // 000000OOOO00O00000OOOOOOOOOOOOOOOOO00000000000OO00OOOOOOOOOOkkkxxkkkxxxxxxxxdxxdxxdddxkxxxxxxxdddxxdddddddddddddddddddddddddodddoodooooooc. .dkoooooooloolllcccccccccc::::::::oXXd:;::::::::::;;;;;;;;;;,,,,,,'.;:. .ol'...................................................................... // // 0000000OOO000O0OOOOOOOOOOOOOOOOOOOO000000O0000OO00OOOOOOOOOkkkkkxxxxxxxxxxxxxxxxdddddxkxxxxxxxxxxxxxddddddddddddddddddddddodddoooooooooooc. .xkooooooollllllclcccccc:::c::::::dXXd:;;:::::::::;:;;;;;;;;,,,,,,'.;:' 'xo'...................................................................... // // 0000000O0OOO0OOOOOOO0OOOOOOOOOOOOO00000000O000000000OOOOOOOkkkkkkkxxxxxxxxxxxxxxddxdxxxxxxxxxxxxxdddxdddddddddddddddddddddododdooooooooooc. .:oo::kkoooooooolllllccccccc:::::::::::dXXd:;;:::::::::;;;;;;;;;;,,,,,,'.;okxc,''. 'oOo'....'................................................................. // // 000000000OOOO0OOOOOOOOOOOOOOOOOOOOO000000000OO000OOOOOOOOOOkkkkkkkxxxxxxxxxxxdxxxxxddxkxxxxxxxxxxxddxdddddddddddddddddddddooooooodoooooool:',ckNMMKxOkoooooooolllllccccccc:c:::::::::dXXd;;:::::::::;;;;;;;;;,,,,,,,''.:xXWWNNX0xKNXo....................................................................... // // 000OOOO00OOOOOOO0OO0OOOOOOOOOOOOOOO000000OO0OOO00OOOOOOOOOOOkkxxxxxxxxxxxxxxxxxxdxxxdxxxxxxxxxxdxxxddddddddddddddddddddddddddoooddoooooookKXXWWWWMX00koooooollloollccccccc:::::::::::dXXd;;::::::::;:::;;;;;;,,,,,,,''':ONWWMMWMWWWNo'...................................................................... // // 000000OOO0000OOOOOO0OOOOOOOOOOOOOOO000O000O00OO0OOOOOOOO00OkkkxxxxxxxxxxxxxxxxxxddddxxxxxxxxxxxxxxxxdddddddddddddddddddddddodooooooooooookNWWWWMWMN00koooooolllllllcccccccc::::::::;:dXXd:;:::::::;;:;;;;;;;;,,,,,,,''.cKWMMWWMMWMWNd'...................................................................... // // 000000OOO0000000OOO00OOOOOOOOOOOOOO000000000000OOOOO0OOOOOOOkxxkxdxxxxxxxxxxxdxddddddxxxxxxxxxdxxxxxxxdddddddddddddddddddddddooooooooooooONWWMWWWMNKKOoollloolllllcccccccc:::::::::::dXXd;;;:::::::;;;;;;;;;;,,,,,,,''.cKWMMWWMMMWWNd'...................................................................... // // O0000O0O000000OOOOOOO00OOOOOOOOOOOO00000O00O0000OOOO0OOOOOOkkkkkxxxxxxxxdxxxxdddxddddxxxxxxxxxxxxxdddddddddddddddddddddoddddoooooooooooooONWWWWWWMWXXOooolllllllllcccccc:::::::::::::dXXd;;;:::;;::;:;;;;;;,,,,,,,,,''.cKWMWWMMWMWWNo'...................................................................... // // 000O00000000OOOOOOOOOOOOOOOOOOkOOOO000O0OO00OOO0OO0OOOOOOOOOkxkxxxxxxxxxxxxxxddddddddxxxxxxxxxxxxxdddddddddoodddddddddddddddoooooooooooooONWWWMWWMWXXkooooooolllllcccccccc:::::::::::dXXd;;;::::;:;;;;;;;;;,,,,,,,,''..cKWMWMMWWWWWNo'...................................................................... // // 000000OO00OOOO0OOOOOOOOOOOOOOOkkOOO0000OOOOOOOO0OO00OOOOOOOOkkkxxxxxxxxxxxxxxxddxxxddxxxxxxxxxxdddxddddddddddddddddddddddddddooooooooooooONWWWWWWMWXXOooooooollllllcccccccc::::::::::dXXd;;;::::;;:;;;;;;;;;,,,,,,,,''.cKWMMMMWWMWWNo'...................................................................... // // 000000OO00OO000OOO0OOOOOOOOOOOOOOOOOOOOO0OOOOOOOOOOOOOOOOOOkxxkxxxxxxxxxxxxxxxdddddddxxxxxxxxxxdddddddddddoddddddddddoddddoooooooooooooooONWWWWWMMWXXkoollllllllccccc::cc:::::::::;::dXXd;;;;;;;;;;;;;;,,,,,,,,,,;:;''.cKWMWMMWMMWWNd'.....''............................................................... // // 000OO0OOOOO0OO0OOOOOOOOOOOOOOOOOOOOOOOkOOOOOOOOOOkOkkkkkkkkkxxxkxxxxxxxxxxxddddddddddddddddddddooooooooooooooooddooddoooooooooooooooollllkNWWMMWWMWNXkccccccc:c::::::;;::::;;;;;;;;;;oXXo,,,,,,,,,','''''''''''''''''..cKWMWMMWMMWWNd'...................................................................... // // 00000O0OOOOOO0OOOOOOOOOOOOOOOOkkOOOOOOOOOOkOkkkOOOOOkkkkkkkkxxxxxxxxxxxxxxxddxddxddddddodddodddooooooooooooooooooooooooooooooooooolloolllkNWWWMWWMWXXklc:ccc:::::;;::;;;;;;;;;;;,,,,,oXXo,,,'''''''''''''''''.''.......lKWMWMMWWWWWNd'..........'........................................................... // // O00OOOO0OO000OOOOOOOOOOOOOOOOOOOOOOOkkkOOkkOOOOOOOOkkkkkkkkxxxxxxxxxxxxxxxxxdxxdddddddddoddoddoooooooooooooooooodoooooooooooooooooollllllkNWWWWMWMNXKkccccc:::::::::;::;;;;;;;,,;;,,;oXXo,,,''''',''''''..'''..........lKWMWMMWMMMWNd'........................................'....................''....... // // OO0O0OO0OOOOOOOOOOOOO0OOOOOOOOOOOOOOkkOOOOOOOOOOOkkkkkkkkkkkkkkxxxxxxxdxxxxxxddddddddddddddddooooooooooooooooooodoooooooooooooooooollllllkNWWMWWWMWXXkccccc::::::::;;:;;;;;;;;;;,;,,;oXXo,,,,'''''''''.'''''.''......''lXWMWMMWMMMWNd'........................................'.....................'....... // // 000OOOOO0OO00OO0OOOOOOOOOOOOOOOOOOkOOOOOOOOOOOkkkkkkkkkkkkkkkkkkxxxxxxdxxxxxdddddddddddddddddoooooooooooooooooooooooooooooooooooollllllllkNWWMWWWMWXXkccc::::::::::;;;:;;;;;;;,,,,,,,oXXo,,,,''''''''''.''...''...'''''lXWMWMMWMMWWNd'.............................................................''....... // // 0000O00OOOOO0OO0OOOOOOOOOOOOOOkOOOkkOOOOkOOOOOkOOOkOOkkkkkkkkkxxkxxxxxxxxxxdxddddddddddddoodoooooooooooooolooooooooooooooooooooloolllllllkNWWWWMMMNKKkccc:c::::::::;;;;;;;;;;;;,,,;,,oXXo,,,,'''''''''..''''.'''...'..'lXWMWMMWWMWWNd'................''...................''..'...................''....... // // 00OOO00OOOOOOOOOOO0OOOOOOOOOOOOOOOkOOOOOOOOOOOkkOOkkkOkkkkkxkxxkxxxxxxxxddddxxddddddddddddoooooooooooooooooooooooooooooooooooooloolllolllkNWWWWWMMXO0klc::ccc::::;;;::;;;;;;;;;,,,,,;xNNd;,,'''''''''''.'''...''...'...lXWMWMMWWMWWNd'.......................................'.............................. // // O00OOO0OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOkkOOkkkkkkkkkxxkxxxxxxxxxddxdddxddddddddddddodoooooooooooooooooooooooooooooooolooollllllllkNWWWWMWMXO0klc::::c::::;::;;;;;;;;;,;,,,,:xXWWKo,''''''''''''''''.''..''....'lXWMWMMWMWWMNx'......................................''.............................. // // 00O0000OOO00OOO0OOOOOOOOOOOOOOOOOOOOOOOOkkkOOkOOkkkkkkkkkkkkkxxxxxxdxxxxddxddxdddddddddddddoodooooooooooooooooooooooooooooooolooollllllllkNWWWWMWMXO0kcc::::::::c:;;;;;;;;;;;;,,,,,:OWWWNx,,''''''''''''.'''''..'''...'lXWMWMMWMMMMNd'.............................................................''....... // // OOO000000OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOkkkkkkkkkkkxxxxxxxxxxxxxxdddddddddddodddoododdooooooooolooooooodoooooooooloooooooollllllkNMMWWWWMN0Kkccc::::::::::;;;;;;;;;;;,,;,,:OWWWNx,,,''''''''''.....'.''......'lXWMWMMWMMMMNd'............................................................'''....... // // OOOOOOOO00OOOO0OOOOOOO0OOOOOOOkkOOOkOOOOOOOOkkkkkkkkkkkkkkkxxxxxxxxxxxxddddddxxddddddddddoododdooooooooooooolloooooooooooooooolllllllllllkNMWWMWMMNKKkcccc::::::::;;;;;;;;;;,,,,,,,:OWWWNx,''''''''''''....''.''.......lXWMWWMWMMMMWd'...................................................................... // // 0OOOOOOOOO0OOOO0OOO0OOOOOOOOOOkOOOOOOOOOOOOkOOkOOOOkkkkkxkkxkxxxxxxxxxddddddddddddddoddodddddddooooooooooooolloooooooooooooollloollllllllkNWWWWWWMXO0kcc:::::::::;;;;;;;;;;,;,,,,,,;OWMWNx,'''''''''''''''''.''''......lXWMWWWWMMMWNd'.....................................'................................ // // 000000OOkOOOOOOOOOOOOOOOOOkkOOOOOOOOkkkOOOOOOOOOOkkkkkkkkkkxxxxxxxxxxddxxdddddddxddddddoooodddoooooooooooooooooooooooooooloolllllllllllllkNWWWWMWMXO0klcc:::::::;;;;;;;;;;;;;;,,,,,c0WWWWOc;,''''''''''''''''.';;'....'lXWWWWWWMWWWNx'...................................................................... // // KKK00KK00OOOOOOOOOOOO0OOOOOOkOOOOOOOOOOOOO0OOOOOOOkkOOOkOOkkkxxxxxxxxxxxxxxxdddddddddddddoddddoooooooooolooooooollooolllllllllllllllllcllkNWWWWWMMXO0kllc:::::::;;;;;;;;;;,;;,,,;lkKWWWWWWX0d:'''''''''''''....'''....'lXWWWMWWWMWWNd'...................................................................... // // KKKKKKK000OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOkOOOkkOOkkkkkxxxxxxxxxxxxxddddddddddddddddddooooooooooooolloolooolooooollllllllllllllcccllkNWWWWWMMNKKklc:::::;;;;;;;;;,;,,;,,,,ckXWWWMWWMWWWW0l,''''''''.''...''......'lXWWWWMWWWWMNd'...................................................................... // // KKKK000000OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOkOOkkOOOOOkkkkkkxxxxxxxxdxxxddddddddddddddddddddoooooooooooooooollolollllllllllllllllllllllclkNWWMMMWWNKX0xxxxxxxxdxxxxxxxxxddddxxx0NWWWWWWWWMMWWWKxdddoooddooddddddddddoodONWWWWWMMWWWWd'...................................................................... // // K0KKK0000OOOOOOOOOO00OOOOOOOOOOOOOOOOOOOOOOkOOOOOkOOkkkkkkkkxxxxxxxxxxxddxddddddddddodddddddoooooooooooooooloooloolllllllllllllllllllllllkNWWWWWWMKc,lx0WWWWWWWWWWWWWWWWWWWWWWWWWWMMWWWWWWMWWWWWWWWWWWWWWWWWWWWWWWWWWWKodXWWWWWWWWWNd'...................................................................... // // K00000000O0OOOO000KXXKOkkOOOOOkOOOOOOOOOOOOOOkOOOkkkOOkkkkkkxxxxxxxxxxddxxxdddddddddddooddddoooooooooooooolloolollllllllllllllllllcllllllkNWWNWWWM0, .lXWMWWWMMWWWMWWWWWWWMMWWWWWWWWWWWWWWWWWWWWMWWMWWMWWWWWWWWWWWMMWd.'OOo0WWWWWWWd'...................................................................... // // KK000000000OOOOO0XWWWWKOOOOOOOOkOOOOOkOOOOOOOOOOOOkOOkkkkkkkxxxxxxxxxxdddxddddddddoddddoodddoooooooooooooollolllllllllllllllllllcclllclllkNMXk0WWWK, .,cxXWWWWWMWWMWWWMWWWMMWWMWWWWWWWWWWWWWWWWWWWMWWWMWMWWWWWWWMMWWMNx..o;.xWWWWWMWd'.................... // // // // // //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// contract Hope is ERC1155Creator { constructor() ERC1155Creator("Hope", "Hope") {} }
// 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 } } }
{ "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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