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•  contract SafeProxy *

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/**
 *Submitted for verification at Etherscan.io on 2023-05-10
*/

pragma solidity >=0.7.0 <0.9.0;

contract SafeProxy {
    // Singleton always needs to be first declared variable, to ensure that it is at the same location in the contracts to which calls are delegated.
    // To reduce deployment costs this variable is internal and needs to be retrieved via `getStorageAt`
    address internal singleton;

    /**
     * @notice Constructor function sets address of singleton contract.
     * @param _singleton Singleton address.
     */
    constructor(address _singleton) {
        require(_singleton != address(0), "Invalid singleton address provided");
        singleton = _singleton;
    }

    /// @dev Fallback function forwards all transactions and returns all received return data.
    fallback() external payable {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            let _singleton := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff)
            // 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s
            if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) {
                mstore(0, _singleton)
                return(0, 0x20)
            }
            calldatacopy(0, 0, calldatasize())
            let success := delegatecall(gas(), _singleton, 0, calldatasize(), 0, 0)
            returndatacopy(0, 0, returndatasize())
            if eq(success, 0) {
                revert(0, returndatasize())
            }
            return(0, returndatasize())
        }
    }
}

[{"inputs":[{"internalType":"address","name":"_singleton","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"}]

0x608060405273ffffffffffffffffffffffffffffffffffffffff600054167fa619486e0000000000000000000000000000000000000000000000000000000060003514156050578060005260206000f35b3660008037600080366000845af43d6000803e60008114156070573d6000fd5b3d6000f3fea264697066735822122003d1488ee65e08fa41e58e888a9865554c535f2c77126a82cb4c0f917f31441364736f6c63430007060033

35:1541:0:-:0;;;900:42;896:1;890:8;886:57;1080:66;1076:1;1063:15;1060:87;1057:2;;;1177:10;1174:1;1167:21;1216:4;1213:1;1206:15;1057:2;1269:14;1266:1;1263;1250:34;1367:1;1364;1348:14;1345:1;1333:10;1326:5;1313:56;1404:16;1401:1;1398;1383:38;1450:1;1441:7;1438:14;1435:2;;;1482:16;1479:1;1472:27;1435:2;1538:16;1535:1;1528:27

ipfs://03d1488ee65e08fa41e58e888a9865554c535f2c77126a82cb4c0f917f314413