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Token

FWB Membership NFT (FWBMEM)
 

Overview

Max Total Supply

1,225 FWBMEM

Holders

1,195

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A
Filtered by Token Holder
satoya.eth
Balance
1 FWBMEM
0xa13c1a5055af68af442385b3b5475ef6de57e72e
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Contract Source Code Verified (Exact Match)

Contract Name:
FWBMembership1967Manager

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, GNU GPLv3 license
File 1 of 7 : FWBMembership1967Manager.sol
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// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.10;
import {ERC1967Proxy} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";
contract FWBMembership1967Manager is ERC1967Proxy {
constructor(address _logic, bytes memory _data)
payable
ERC1967Proxy(_logic, _data)
{}
}
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File 2 of 7 : ERC1967Proxy.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol)
pragma solidity ^0.8.0;
import "../Proxy.sol";
import "./ERC1967Upgrade.sol";
/**
* @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
* implementation address that can be changed. This address is stored in storage in the location specified by
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
* implementation behind the proxy.
*/
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
/**
* @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
*
* If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
* function call, and allows initializating the storage of the proxy like a Solidity constructor.
*/
constructor(address _logic, bytes memory _data) payable {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
_upgradeToAndCall(_logic, _data, false);
}
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File 3 of 7 : ERC1967Upgrade.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Upgrade.sol)
pragma solidity ^0.8.2;
import "../beacon/IBeacon.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";
/**
* @dev This abstract contract provides getters and event emitting update functions for
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
*
* _Available since v4.1._
*
* @custom:oz-upgrades-unsafe-allow delegatecall
*/
abstract contract ERC1967Upgrade {
// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
/**
* @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.
*/
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File 4 of 7 : Proxy.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 internall 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.
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File 5 of 7 : IBeacon.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)
pragma solidity ^0.8.0;
/**
* @dev This is the interface that {BeaconProxy} expects of its beacon.
*/
interface IBeacon {
/**
* @dev Must return an address that can be used as a delegate call target.
*
* {BeaconProxy} will check that this address is a contract.
*/
function implementation() external view returns (address);
}
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File 6 of 7 : Address.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)
pragma solidity ^0.8.0;
/**
* @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
* ====
*/
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File 7 of 7 : StorageSlot.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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;
* }
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Settings
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{
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": [],
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}
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Contract Security Audit

Contract ABI

API
[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : _logic (address): 0xd48f7df654402A3C2D15F24F31646F1D643C27b8
Arg [1] : _data (bytes): 0x7ab4339d0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000d0bdd3a8676bab89cafce1708e7dce8566cd13c7000000000000000000000000000000000000000000000000000000000000001868747470733a2f2f6677622e68656c702f746f6b656e732f0000000000000000

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 000000000000000000000000d48f7df654402a3c2d15f24f31646f1d643c27b8
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000084
Arg [3] : 7ab4339d00000000000000000000000000000000000000000000000000000000
Arg [4] : 00000040000000000000000000000000d0bdd3a8676bab89cafce1708e7dce85
Arg [5] : 66cd13c700000000000000000000000000000000000000000000000000000000
Arg [6] : 0000001868747470733a2f2f6677622e68656c702f746f6b656e732f00000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000000


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