Contract 0xd0c253ae7052bb57cb0b470c0a535972094f2b76

/**
 *Submitted for verification at celoscan.io on 2023-01-30
*/

/**
 *Submitted for verification at celoscan.io on 2022-10-25
*/

// Sources flattened with hardhat v2.2.1 https://hardhat.org

// File contracts/proxies/GnosisSafeProxy.sol

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity >=0.7.0 <0.9.0;

/// @title IProxy - Helper interface to access masterCopy of the Proxy on-chain
/// @author Richard Meissner - <[email protected]>
interface IProxy {
    function masterCopy() external view returns (address);
}

/// @title GnosisSafeProxy - Generic proxy contract allows to execute all transactions applying the code of a master contract.
/// @author Stefan George - <[email protected]>
/// @author Richard Meissner - <[email protected]>
contract GnosisSafeProxy {
    // 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;

    /// @dev 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"}]

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707:1528:0:-:0;;;1559:42;1555:1;1549:8;1545:57;1739:66;1735:1;1722:15;1719:87;1716:2;;;1836:10;1833:1;1826:21;1875:4;1872:1;1865:15;1716:2;1928:14;1925:1;1922;1909:34;2026:1;2023;2007:14;2004:1;1992:10;1985:5;1972:56;2063:16;2060:1;2057;2042:38;2109:1;2100:7;2097:14;2094:2;;;2141:16;2138:1;2131:27;2094:2;2197:16;2194:1;2187:27

ipfs://d1429297349653a4918076d650332de1a1068c5f3e07c5c82360c277770b9552