Contract

0xAd58366137689989Da0F72Bb8ce92551720a0D0E

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Source Code

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Eth Value

$0.00

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ContractCreator

0xC3E830Be...68dba5023 at txn 0x2ade451e34c1ce2caf55586408ad5f13dc195b31a1e8b8420e09a8b19d12ef06

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Contract Source Code Verified (Exact Match)

Contract Name:

PolygonZkEVMGlobalExitRoot

Compiler Version

v0.8.17+commit.8df45f5f

Optimization Enabled:

Yes with 999999 runs

Other Settings:

default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

IDE

File 1 of 4 : PolygonZkEVMGlobalExitRoot.sol

// SPDX-License-Identifier: AGPL-3.0

pragma solidity 0.8.17;

import "./interfaces/IPolygonZkEVMGlobalExitRoot.sol";
import "./lib/GlobalExitRootLib.sol";

/**
 * Contract responsible for managing the exit roots across multiple networks
 */
contract PolygonZkEVMGlobalExitRoot is IPolygonZkEVMGlobalExitRoot {
    // PolygonZkEVMBridge address
    address public immutable bridgeAddress;

    // Rollup contract address
    address public immutable rollupAddress;

    // Rollup exit root, this will be updated every time a batch is verified
    bytes32 public lastRollupExitRoot;

    // Mainnet exit root, this will be updated every time a deposit is made in mainnet
    bytes32 public lastMainnetExitRoot;

    // Store every global exit root: Root --> timestamp
    mapping(bytes32 => uint256) public globalExitRootMap;

    /**
     * @dev Emitted when the global exit root is updated
     */
    event UpdateGlobalExitRoot(
        bytes32 indexed mainnetExitRoot,
        bytes32 indexed rollupExitRoot
    );

    /**
     * @param _rollupAddress Rollup contract address
     * @param _bridgeAddress PolygonZkEVMBridge contract address
     */
    constructor(address _rollupAddress, address _bridgeAddress) {
        rollupAddress = _rollupAddress;
        bridgeAddress = _bridgeAddress;
    }

    /**
     * @notice Update the exit root of one of the networks and the global exit root
     * @param newRoot new exit tree root
     */
    function updateExitRoot(bytes32 newRoot) external {
        // Store storage variables into temporal variables since will be used multiple times
        bytes32 cacheLastRollupExitRoot = lastRollupExitRoot;
        bytes32 cacheLastMainnetExitRoot = lastMainnetExitRoot;

        if (msg.sender == bridgeAddress) {
            lastMainnetExitRoot = newRoot;
            cacheLastMainnetExitRoot = newRoot;
        } else if (msg.sender == rollupAddress) {
            lastRollupExitRoot = newRoot;
            cacheLastRollupExitRoot = newRoot;
        } else {
            revert OnlyAllowedContracts();
        }

        bytes32 newGlobalExitRoot = GlobalExitRootLib.calculateGlobalExitRoot(
            cacheLastMainnetExitRoot,
            cacheLastRollupExitRoot
        );

        // If it already exists, do not modify the timestamp
        if (globalExitRootMap[newGlobalExitRoot] == 0) {
            globalExitRootMap[newGlobalExitRoot] = block.timestamp;
            emit UpdateGlobalExitRoot(
                cacheLastMainnetExitRoot,
                cacheLastRollupExitRoot
            );
        }
    }

    /**
     * @notice Return last global exit root
     */
    function getLastGlobalExitRoot() public view returns (bytes32) {
        return
            GlobalExitRootLib.calculateGlobalExitRoot(
                lastMainnetExitRoot,
                lastRollupExitRoot
            );
    }
}

File 2 of 4 : IBasePolygonZkEVMGlobalExitRoot.sol

// SPDX-License-Identifier: AGPL-3.0

pragma solidity 0.8.17;

interface IBasePolygonZkEVMGlobalExitRoot {
    /**
     * @dev Thrown when the caller is not the allowed contracts
     */
    error OnlyAllowedContracts();

    function updateExitRoot(bytes32 newRollupExitRoot) external;

    function globalExitRootMap(
        bytes32 globalExitRootNum
    ) external returns (uint256);
}

File 3 of 4 : IPolygonZkEVMGlobalExitRoot.sol

// SPDX-License-Identifier: AGPL-3.0

pragma solidity 0.8.17;
import "./IBasePolygonZkEVMGlobalExitRoot.sol";

interface IPolygonZkEVMGlobalExitRoot is IBasePolygonZkEVMGlobalExitRoot {
    function getLastGlobalExitRoot() external view returns (bytes32);
}

File 4 of 4 : GlobalExitRootLib.sol

// SPDX-License-Identifier: AGPL-3.0

pragma solidity 0.8.17;

/**
 * @dev A library that provides the necessary calculations to calculate the global exit root
 */
library GlobalExitRootLib {
    function calculateGlobalExitRoot(
        bytes32 mainnetExitRoot,
        bytes32 rollupExitRoot
    ) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked(mainnetExitRoot, rollupExitRoot));
    }
}

Settings

{
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

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Contract ABI

[{"inputs":[{"internalType":"address","name":"_rollupAddress","type":"address"},{"internalType":"address","name":"_bridgeAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"OnlyAllowedContracts","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"mainnetExitRoot","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"rollupExitRoot","type":"bytes32"}],"name":"UpdateGlobalExitRoot","type":"event"},{"inputs":[],"name":"bridgeAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastGlobalExitRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"globalExitRootMap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastMainnetExitRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastRollupExitRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rollupAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"newRoot","type":"bytes32"}],"name":"updateExitRoot","outputs":[],"stateMutability":"nonpayable","type":"function"}]

Contract Creation Code

Decompile Bytecode Switch to Opcodes View

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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)

000000000000000000000000f7cac54de3578e6975424cabaf2ddfc0efda58f4000000000000000000000000f0cbe43624e92a0f532236c1a564e189ef130765

-----Decoded View---------------
Arg [0] : _rollupAddress (address): 0xf7CAC54DE3578e6975424caBAf2Ddfc0EFdA58f4
Arg [1] : _bridgeAddress (address): 0xf0Cbe43624e92a0F532236C1a564e189ef130765

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000f7cac54de3578e6975424cabaf2ddfc0efda58f4
Arg [1] : 000000000000000000000000f0cbe43624e92a0f532236c1a564e189ef130765

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