Contract 0x7bb11e7f8b10e9e571e5d8eace04735fdfb2358a 2

 

Contract Overview

Wormhole: WAVAX Token
Balance:
0 MATIC

MATIC Value:
$0.00

Token:
 
Txn Hash
Method
Block
From
To
Value [Txn Fee]
0x51c70a583a7f4ebb05dfa63d0d11b829dcd2acf1ac9b64222e5d2291b806bf28Approve429409832023-05-20 16:20:518 days 20 hrs ago0x1cae4de2794bee0223feb41e28f6250d67d88cbe IN  Wormhole: WAVAX Token0 MATIC0.006759580536 170.99442303
0xef5e1e12c523314a65cb6d5dbf1b68c8f4545f99602a61984007317af4b76386Approve429381942023-05-20 14:41:248 days 22 hrs ago0x1cae4de2794bee0223feb41e28f6250d67d88cbe IN  Wormhole: WAVAX Token0 MATIC0.010097254168 163.346342605
0xa37282b144a00db127ee9cbfee144a58a9d75eb63023145c501e7bb3d6f74565Approve426913242023-05-14 10:46:2615 days 1 hr ago0x3505a31e6e6e6af94d76cd14c5a38f24675daa73 IN  Wormhole: WAVAX Token0 MATIC0.006988577746 176.78727445
0x6bdd722a075339cf2088e1f1c8998b7f42bd26ea292d562df8939b9ff64c5904Transfer426746862023-05-14 0:51:4615 days 11 hrs ago0x61f58d8b26a53c68f177386a334fde6d5f44a614 IN  Wormhole: WAVAX Token0 MATIC0.0141710256356.8
0x56c477370ad76c928debc3bef2331ffcc1e01ecdf7d9295a5578b242562d9b45Transfer426746862023-05-14 0:51:4615 days 11 hrs ago0x61f58d8b26a53c68f177386a334fde6d5f44a614 IN  Wormhole: WAVAX Token0 MATIC0.0104014236167.6
0xcadcce27b2454ef84d199e076fa6be4c1e233f182f5a650c576699a2d4db4e43Approve424825912023-05-09 5:59:0720 days 6 hrs ago0x6827c36ff9e2207124d8264966d914df7f48d8aa IN  Wormhole: WAVAX Token0 MATIC0.014446609607 233.707184465
0xb1edac4f5394af8a19b15ac2a69d6b01dd6193ce3417f900ddf5341650cc74f2Approve424762282023-05-09 2:12:1720 days 10 hrs ago0xa2e1c184beee56cda42b18224a1c0a6e60a03510 IN  Wormhole: WAVAX Token0 MATIC0.012023727629194.51148798
0x87622b98cd0646167a8a75cade17566ed1be4143ab16e9677b4f84e01a2d6950Approve424124022023-05-07 11:31:0622 days 1 hr ago0x009f0a69a00d22844689bb441e5097e83132bc93 IN  Wormhole: WAVAX Token0 MATIC0.01368886731 221.448957541
0x8c0e16f518aa2699f61c33ec00393b94e6f439cdafd59e9833b880da0c8a9d11Approve423808392023-05-06 16:36:5922 days 20 hrs ago0x19332dd3484717f36599d02864d4aae0fdca178a IN  Wormhole: WAVAX Token0 MATIC0.009298984189 209.309298168
0xe32f4deeb52c893f6a958dbc8a8979f7c26adef5b08558a84dec2902ae89b6d0Approve421111842023-04-29 21:08:4429 days 15 hrs ago0x3505a31e6e6e6af94d76cd14c5a38f24675daa73 IN  Wormhole: WAVAX Token0 MATIC0.022133270018 358.056620866
0x0473b3a864e63fad6800643a60736c419f215f9d99dc9ff6363b778cbe920e17Approve420117762023-04-27 7:34:5732 days 5 hrs ago0x46528d5b9d955779e7b5be2461ec054e64b6a54b IN  Wormhole: WAVAX Token0 MATIC0.027322591196 442.005843187
0x759cd3abb5941c3989d3966aed73fe97623480c2fcb2cec0caae6190c3e9fcc4Approve419828082023-04-26 13:58:1332 days 22 hrs ago0xc368b049115a0449c3aa8bc201997d916957b1d4 IN  Wormhole: WAVAX Token0 MATIC0.023633741285 382.330199558
0x05e1d76d94d465cdbe45dec96af83f316abb8a10e087b9c4ef461107c77bababTransfer419462242023-04-25 16:11:3633 days 20 hrs ago0xc368b049115a0449c3aa8bc201997d916957b1d4 IN  Wormhole: WAVAX Token0 MATIC0.024405807831 578.87165464
0x17c6621c61f20bf8af4eb18dba3361c7e76fcc148009a7ff52c1bdff09b3bf55Approve419074182023-04-24 16:11:2534 days 20 hrs ago0x442369760b25faf28b14ae2bb389c41330e034de IN  Wormhole: WAVAX Token0 MATIC0.029479238228 476.894576218
0xaee09580597c08c13c5481f4aed6147b696072aba349965133e3a3528be8d5a6Approve417060162023-04-19 10:05:1040 days 2 hrs ago0xe44b88dadbac54ba75beaa07aae99b243b0b9f87 IN  Wormhole: WAVAX Token0 MATIC0.013175401423 333.292894788
0xfd277b0f204f4a372a93c51c1e95b2a91af7b4c27d754732615db7d94510e5feTransfer416623812023-04-18 6:35:1741 days 6 hrs ago0x39fdc07fe5553dba0383aec7b2e85f7db06a4751 IN  Wormhole: WAVAX Token0 MATIC0.015167583843244.44525848
0x19d14813910160ad35dcd533e85fbe893184940fa7be22066b7e231954d3642fApprove416043662023-04-16 16:46:1942 days 19 hrs ago0x40bbb2ea5c38a164fc666e95f21f9272485c8021 IN  Wormhole: WAVAX Token0 MATIC0.010635735748172.930357028
0xdae112ae1082c66fd85efd056d9e156562f2cccfbfe34f6cc1776cd3df6368e7Approve414940242023-04-13 18:58:2445 days 17 hrs ago0xd2060afb2f7c88ac70d53fc29b6fde25b398471b IN  Wormhole: WAVAX Token0 MATIC0.009406869987 226.502371422
0x005a0bea347873a1f406d69beb63a4c80d7ad8d2096343f5654eaf5f427f2929Approve414247082023-04-11 23:53:2247 days 12 hrs ago0x11706054852d7181fe857661b4042ec114271db8 IN  Wormhole: WAVAX Token0 MATIC0.008722071723 141.815386619
0x41a5c43840127cf61929c1764ed5abf4d34b77cdd16791597be4fd620f62d90bApprove413479712023-04-10 0:21:0649 days 12 hrs ago0xa631e77ae80e90608f645adfdbda898b988d456b IN  Wormhole: WAVAX Token0 MATIC0.0083388435134.9
0xe5ddc8d08e15a3397a26e4c1ab42f8fa95cbdefa8500533f30886ae82d0cf7b5Approve413304272023-04-09 13:42:4049 days 22 hrs ago0x573c452dab249cfc6d0e0a0b41488db50ab40c06 IN  Wormhole: WAVAX Token0 MATIC0.006585578279 166.59275707
0x2d1412bfb622e7f7145ec01935c4e820a3d3dc6f6afa02c82747c854c659cfe0Approve413272442023-04-09 11:44:0450 days 58 mins ago0x43397a347105078cfa99196b06e3e3dd1411d845 IN  Wormhole: WAVAX Token0 MATIC0.004354263245 110.214980777
0x0232acc87d87b09b7f2843cb674bed01cf1592bb5a046ed1e82e327118cb53feApprove412219962023-04-06 18:51:3752 days 17 hrs ago0x93546d9d80a0eb851812c4cbea7182f4ddfa9c76 IN  Wormhole: WAVAX Token0 MATIC0.008644685095 139.847692228
0xfa395c5b7c9c954856cd5e1c85d3031822333ea38c11f70d0d4bb3155781d506Approve410679142023-04-02 19:31:0256 days 17 hrs ago0xebfb2c6068bc752bb0534d116c50218f71560670 IN  Wormhole: WAVAX Token0 MATIC0.003775385378 61.385385728
0xf64581f2e926b5d11b2cce08c1196242944ba98dde187a42ce208de704c655c1Approve409721702023-03-31 8:52:1559 days 3 hrs ago0xdd05c2dfceb88fb9a6b2ab5806e16772f8a55897 IN  Wormhole: WAVAX Token0 MATIC0.00684674797 110.761918153
[ Download CSV Export 

OVERVIEW

Wormhole is a generic message passing protocol that connects to multiple chains including Ethereum, Solana, Terra, Binance Smart Chain, Polygon, Avalanche and Oasis.

Latest 1 internal transaction
Parent Txn Hash Block From To Value
0xb76f670d838b55d52d32037f56ba5f12f38adaebbb735a57e1e898b737318e97228857352021-12-23 23:47:36521 days 12 hrs ago Wormhole: Token Bridge  Contract Creation0 MATIC
[ Download CSV Export 
Loading

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x5E0294Af1732498C77F8dB015a2d52a76298542B

Contract Name:
BridgeToken

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 1000 runs

Other Settings:
default evmVersion, Apache-2.0 license

Contract Source Code (Solidity)

/**
 *Submitted for verification at polygonscan.com on 2021-12-08
*/

// SPDX-License-Identifier: Apache 2

// File: @openzeppelin/contracts/utils/StorageSlot.sol


// OpenZeppelin Contracts v4.4.0 (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        assembly {
            r.slot := slot
        }
    }
}

// File: @openzeppelin/contracts/utils/Address.sol


// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// File: @openzeppelin/contracts/proxy/Proxy.sol


// OpenZeppelin Contracts v4.4.0 (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

// File: @openzeppelin/contracts/proxy/beacon/IBeacon.sol


// OpenZeppelin Contracts v4.4.0 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

// File: @openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol


// OpenZeppelin Contracts v4.4.0 (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;




/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 *
 * @custom:oz-upgrades-unsafe-allow delegatecall
 */
abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallSecure(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        address oldImplementation = _getImplementation();

        // Initial upgrade and setup call
        _setImplementation(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }

        // Perform rollback test if not already in progress
        StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
        if (!rollbackTesting.value) {
            // Trigger rollback using upgradeTo from the new implementation
            rollbackTesting.value = true;
            Address.functionDelegateCall(
                newImplementation,
                abi.encodeWithSignature("upgradeTo(address)", oldImplementation)
            );
            rollbackTesting.value = false;
            // Check rollback was effective
            require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
            // Finally reset to the new implementation and log the upgrade
            _upgradeTo(newImplementation);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Emitted when the beacon is upgraded.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(
        address newBeacon,
        bytes memory data,
        bool forceCall
    ) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}

// File: @openzeppelin/contracts/proxy/beacon/BeaconProxy.sol


// OpenZeppelin Contracts v4.4.0 (proxy/beacon/BeaconProxy.sol)

pragma solidity ^0.8.0;




/**
 * @dev This contract implements a proxy that gets the implementation address for each call from a {UpgradeableBeacon}.
 *
 * The beacon address is stored in storage slot `uint256(keccak256('eip1967.proxy.beacon')) - 1`, so that it doesn't
 * conflict with the storage layout of the implementation behind the proxy.
 *
 * _Available since v3.4._
 */
contract BeaconProxy is Proxy, ERC1967Upgrade {
    /**
     * @dev Initializes the proxy with `beacon`.
     *
     * If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon. This
     * will typically be an encoded function call, and allows initializating the storage of the proxy like a Solidity
     * constructor.
     *
     * Requirements:
     *
     * - `beacon` must be a contract with the interface {IBeacon}.
     */
    constructor(address beacon, bytes memory data) payable {
        assert(_BEACON_SLOT == bytes32(uint256(keccak256("eip1967.proxy.beacon")) - 1));
        _upgradeBeaconToAndCall(beacon, data, false);
    }

    /**
     * @dev Returns the current beacon address.
     */
    function _beacon() internal view virtual returns (address) {
        return _getBeacon();
    }

    /**
     * @dev Returns the current implementation address of the associated beacon.
     */
    function _implementation() internal view virtual override returns (address) {
        return IBeacon(_getBeacon()).implementation();
    }

    /**
     * @dev Changes the proxy to use a new beacon. Deprecated: see {_upgradeBeaconToAndCall}.
     *
     * If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon.
     *
     * Requirements:
     *
     * - `beacon` must be a contract.
     * - The implementation returned by `beacon` must be a contract.
     */
    function _setBeacon(address beacon, bytes memory data) internal virtual {
        _upgradeBeaconToAndCall(beacon, data, false);
    }
}

// File: github/certusone/wormhole/ethereum/contracts/bridge/token/Token.sol

// contracts/Structs.sol


pragma solidity ^0.8.0;


contract BridgeToken is BeaconProxy {
    constructor(address beacon, bytes memory data) BeaconProxy(beacon, data) {

    }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"beacon","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

60806040523480156200001157600080fd5b5060405162000a3138038062000a318339810160408190526200003491620004ca565b81816200006360017fa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d51620005e7565b600080516020620009ea833981519152146200008f57634e487b7160e01b600052600160045260246000fd5b6200009d82826000620000a7565b5050505062000650565b620000b2836200018c565b6040516001600160a01b038416907f1cf3b03a6cf19fa2baba4df148e9dcabedea7f8a5c07840e207e5c089be95d3e90600090a2600082511180620000f45750805b15620001875762000185836001600160a01b0316635c60da1b6040518163ffffffff1660e01b815260040160206040518083038186803b1580156200013857600080fd5b505afa1580156200014d573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190620001739190620004ad565b836200033d60201b620000291760201c565b505b505050565b620001a2816200036c60201b620000551760201c565b620002025760405162461bcd60e51b815260206004820152602560248201527f455243313936373a206e657720626561636f6e206973206e6f74206120636f6e6044820152641d1c9858dd60da1b60648201526084015b60405180910390fd5b6200028c816001600160a01b0316635c60da1b6040518163ffffffff1660e01b815260040160206040518083038186803b1580156200024057600080fd5b505afa15801562000255573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906200027b9190620004ad565b6200036c60201b620000551760201c565b620002f35760405162461bcd60e51b815260206004820152603060248201527f455243313936373a20626561636f6e20696d706c656d656e746174696f6e206960448201526f1cc81b9bdd08184818dbdb9d1c9858dd60821b6064820152608401620001f9565b806200031c600080516020620009ea83398151915260001b6200037260201b6200005b1760201c565b80546001600160a01b0319166001600160a01b039290921691909117905550565b606062000365838360405180606001604052806027815260200162000a0a6027913962000375565b9392505050565b3b151590565b90565b6060833b620003d65760405162461bcd60e51b815260206004820152602660248201527f416464726573733a2064656c65676174652063616c6c20746f206e6f6e2d636f6044820152651b9d1c9858dd60d21b6064820152608401620001f9565b600080856001600160a01b031685604051620003f3919062000594565b600060405180830381855af49150503d806000811462000430576040519150601f19603f3d011682016040523d82523d6000602084013e62000435565b606091505b5090925090506200044882828662000452565b9695505050505050565b606083156200046357508162000365565b825115620004745782518084602001fd5b8160405162461bcd60e51b8152600401620001f99190620005b2565b80516001600160a01b0381168114620004a857600080fd5b919050565b600060208284031215620004bf578081fd5b620003658262000490565b60008060408385031215620004dd578081fd5b620004e88362000490565b60208401519092506001600160401b038082111562000505578283fd5b818501915085601f83011262000519578283fd5b8151818111156200052e576200052e6200063a565b604051601f8201601f19908116603f011681019083821181831017156200055957620005596200063a565b8160405282815288602084870101111562000572578586fd5b620005858360208301602088016200060b565b80955050505050509250929050565b60008251620005a88184602087016200060b565b9190910192915050565b6020815260008251806020840152620005d38160408501602087016200060b565b601f01601f19169190910160400192915050565b6000828210156200060657634e487b7160e01b81526011600452602481fd5b500390565b60005b83811015620006285781810151838201526020016200060e565b83811115620001855750506000910152565b634e487b7160e01b600052604160045260246000fd5b61038a80620006606000396000f3fe60806040523661001357610011610017565b005b6100115b61002761002261005e565b610120565b565b606061004e838360405180606001604052806027815260200161032e60279139610144565b9392505050565b3b151590565b90565b600061009e7fa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d505473ffffffffffffffffffffffffffffffffffffffff1690565b73ffffffffffffffffffffffffffffffffffffffff16635c60da1b6040518163ffffffff1660e01b815260040160206040518083038186803b1580156100e357600080fd5b505afa1580156100f7573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061011b919061027a565b905090565b3660008037600080366000845af43d6000803e80801561013f573d6000f35b3d6000fd5b6060833b6101bf5760405162461bcd60e51b815260206004820152602660248201527f416464726573733a2064656c65676174652063616c6c20746f206e6f6e2d636f60448201527f6e7472616374000000000000000000000000000000000000000000000000000060648201526084015b60405180910390fd5b6000808573ffffffffffffffffffffffffffffffffffffffff16856040516101e791906102ae565b600060405180830381855af49150503d8060008114610222576040519150601f19603f3d011682016040523d82523d6000602084013e610227565b606091505b5091509150610237828286610241565b9695505050505050565b6060831561025057508161004e565b8251156102605782518084602001fd5b8160405162461bcd60e51b81526004016101b691906102ca565b60006020828403121561028b578081fd5b815173ffffffffffffffffffffffffffffffffffffffff8116811461004e578182fd5b600082516102c08184602087016102fd565b9190910192915050565b60208152600082518060208401526102e98160408501602087016102fd565b601f01601f19169190910160400192915050565b60005b83811015610318578181015183820152602001610300565b83811115610327576000848401525b5050505056fe416464726573733a206c6f772d6c6576656c2064656c65676174652063616c6c206661696c6564a2646970667358221220023fb812aee356ef775e058780e58e0f0e320743ef57a43f3069e9559fd8a41f64736f6c63430008040033a3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50416464726573733a206c6f772d6c6576656c2064656c65676174652063616c6c206661696c65640000000000000000000000005a58505a96d1dbf8df91cb21b54419fc36e93fde00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000164c71f461500000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000001dcd0000000000000000000000005a58505a96d1dbf8df91cb21b54419fc36e93fde0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000727f064a78dc734d33eec18d5370aef32ffd46e400000000000000000000000000000000000000000000000000000000000000114f72696f6e204d6f6e657920546f6b656e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000054f52494f4e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Deployed ByteCode Sourcemap

23813:129:0:-:0;;;;;;13768:11;:9;:11::i;:::-;23813:129;;13537:11;13174:113;13251:28;13261:17;:15;:17::i;:::-;13251:9;:28::i;:::-;13174:113::o;9051:200::-;9134:12;9166:77;9187:6;9195:4;9166:77;;;;;;;;;;;;;;;;;:20;:77::i;:::-;9159:84;9051:200;-1:-1:-1;;;9051:200:0:o;3457:387::-;3780:20;3828:8;;;3457:387::o;1717:151::-;1846:4;1821:40::o;23002:140::-;23069:7;23104:12;19974:66;20301:46;;;;20229:126;23104:12;23096:36;;;:38;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;23089:45;;23002:140;:::o;11764:918::-;12107:14;12104:1;12101;12088:34;12325:1;12322;12306:14;12303:1;12287:14;12280:5;12267:60;12404:16;12401:1;12398;12383:38;12444:6;12513:68;;;;12632:16;12629:1;12622:27;12513:68;12549:16;12546:1;12539:27;9445:396;9590:12;3780:20;;9615:69;;;;-1:-1:-1;;;9615:69:0;;1221:2:1;9615:69:0;;;1203:21:1;1260:2;1240:18;;;1233:30;1299:34;1279:18;;;1272:62;1370:8;1350:18;;;1343:36;1396:19;;9615:69:0;;;;;;;;;9698:12;9712:23;9739:6;:19;;9759:4;9739:25;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;9697:67;;;;9782:51;9799:7;9808:10;9820:12;9782:16;:51::i;:::-;9775:58;9445:396;-1:-1:-1;;;;;;9445:396:0:o;10069:712::-;10219:12;10248:7;10244:530;;;-1:-1:-1;10279:10:0;10272:17;;10244:530;10393:17;;:21;10389:374;;10591:10;10585:17;10652:15;10639:10;10635:2;10631:19;10624:44;10539:148;10734:12;10727:20;;-1:-1:-1;;;10727:20:0;;;;;;;;:::i;14:333:1:-;84:6;137:2;125:9;116:7;112:23;108:32;105:2;;;158:6;150;143:22;105:2;195:9;189:16;245:42;238:5;234:54;227:5;224:65;214:2;;308:6;300;293:22;352:274;481:3;519:6;513:13;535:53;581:6;576:3;569:4;561:6;557:17;535:53;:::i;:::-;604:16;;;;;489:137;-1:-1:-1;;489:137:1:o;631:383::-;780:2;769:9;762:21;743:4;812:6;806:13;855:6;850:2;839:9;835:18;828:34;871:66;930:6;925:2;914:9;910:18;905:2;897:6;893:15;871:66;:::i;:::-;998:2;977:15;-1:-1:-1;;973:29:1;958:45;;;;1005:2;954:54;;752:262;-1:-1:-1;;752:262:1:o;1426:258::-;1498:1;1508:113;1522:6;1519:1;1516:13;1508:113;;;1598:11;;;1592:18;1579:11;;;1572:39;1544:2;1537:10;1508:113;;;1639:6;1636:1;1633:13;1630:2;;;1674:1;1665:6;1660:3;1656:16;1649:27;1630:2;;1479:205;;;:::o

Swarm Source

ipfs://023fb812aee356ef775e058780e58e0f0e320743ef57a43f3069e9559fd8a41f
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.