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Gas: 19 Gwei
 

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137587702021-12-07 13:24:12546 days 21 hrs ago1638883452  Contract Creation0 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
Proxy

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 1000000 runs

Other Settings:
default evmVersion, GNU GPLv2 license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2021-12-14
*/

// SPDX-License-Identifier: GPL-2.0-or-later

pragma solidity ^0.8.0;

contract Proxy {
    address immutable creator;

    constructor() {
        creator = msg.sender;
    }

    // External interface

    fallback() external {
        address creator_ = creator;

        if (msg.sender == creator_) {
            assembly {
                mstore(0, 0)
                calldatacopy(31, 0, calldatasize())

                switch mload(0) // numTopics
                    case 0 { log0(32,  sub(calldatasize(), 1)) }
                    case 1 { log1(64,  sub(calldatasize(), 33),  mload(32)) }
                    case 2 { log2(96,  sub(calldatasize(), 65),  mload(32), mload(64)) }
                    case 3 { log3(128, sub(calldatasize(), 97),  mload(32), mload(64), mload(96)) }
                    case 4 { log4(160, sub(calldatasize(), 129), mload(32), mload(64), mload(96), mload(128)) }
                    default { revert(0, 0) }

                return(0, 0)
            }
        } else {
            assembly {
                mstore(0, 0xe9c4a3ac00000000000000000000000000000000000000000000000000000000) // dispatch() selector
                calldatacopy(4, 0, calldatasize())
                mstore(add(4, calldatasize()), shl(96, caller()))

                let result := call(gas(), creator_, 0, 0, add(24, calldatasize()), 0, 0)
                returndatacopy(0, 0, returndatasize())

                switch result
                    case 0 { revert(0, returndatasize()) }
                    default { return(0, returndatasize()) }
            }
        }
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"nonpayable","type":"fallback"}]

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

Deployed ByteCode Sourcemap

75:1559:0:-:0;;;;;;;;;;;;-1:-1:-1;271:7:0;295:10;:22;;;;291:1333;;;372:1;;;362:12;412:14;372:1;405:2;392:35;454:8;;497:44;;;;568:1;563:57;;;;647:1;642:68;;;;737:1;732:79;;;;838:1;833:91;;;;372:1;;956:12;497:44;516:22;412:14;516:22;511:2;506:33;447:523;372:1;;990:12;563:57;614:2;608:9;582:23;412:14;582:23;577:2;572:46;447:523;372:1;;990:12;642:68;704:2;698:9;693:2;687:9;661:23;412:14;661:23;656:2;651:57;447:523;372:1;;990:12;732:79;805:2;799:9;794:2;788:9;783:2;777:9;751:23;412:14;751:23;746:3;741:68;447:523;372:1;;990:12;833:91;917:3;911:10;906:2;900:9;895:2;889:9;884:2;878:9;852:24;412:14;852:24;847:3;842:80;447:523;372:1;;990:12;291:1333;1087:66;1084:1;1077:77;1214:14;1211:1;1208;1195:34;1286:8;1282:2;1278:17;1261:14;1258:1;1254:22;1247:49;1386:1;1383;1366:14;1362:2;1358:23;1355:1;1352;1342:8;1335:5;1330:58;1427:16;1424:1;1421;1406:38;1471:6;1499:38;;;;1579:16;1576:1;1569:27;1499:38;1518:16;1515:1;1508:27

Swarm Source

ipfs://4c86fe253b9f19cb088c17838d424c049f387d68d1102741a6d20e8ab7bc03d1

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