Contract Source Code (Solidity)

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/**
 *Submitted for verification at fraxscan.com on 2025-06-18
*/

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

/**
 * @title IProxy - Helper interface to access the singleton address of the Proxy on-chain.
 * @author Richard Meissner - @rmeissner
 */
interface IProxy {
    function masterCopy() external view returns (address);
}

/**
 * @title SafeProxy - 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 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())
        }
    }
}

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

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

0x608060405273ffffffffffffffffffffffffffffffffffffffff5f54167fa619486e000000000000000000000000000000000000000000000000000000005f3503604b57805f5260205ff35b365f5f375f5f365f845af43d5f5f3e5f81036064573d5ffd5b3d5ff3fea26469706673582212202a2f1a388f34ff12e7c8a6b777a20c7243d2e58039df380134f40c1915296d2b64736f6c634300081c0033

00000000000000000000000041675c099f32341bf84bfc5382af534df5c7461a

-----Decoded View---------------
Arg [0] : _singleton (address): 0x41675C099F32341bf84BFc5382aF534df5C7461a

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000041675c099f32341bf84bfc5382af534df5c7461a

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ipfs://2a2f1a388f34ff12e7c8a6b777a20c7243d2e58039df380134f40c1915296d2b