Contract 0xb599c3590f42f8f995ecfa0f85d2980b76862fc1 2

Txn Hash Method
Block
From
To
Value [Txn Fee]
0x2e486077e503ee2f24b53a6a1c02ff7a3c0cb3ee28f1311168560066cd211834Approve149848172022-05-21 11:39:3838 mins ago0x33bbe4db90aecfbddb720d2dfc02e844c2f215f6 IN  Wormhole: UST Token0 AVAX0.0016393695 26.5
0x37ca69c40a37ee51af32e5fb69a6f7f8fca580a99af3d1a7cea996e95894ffcfApprove149829802022-05-21 10:38:131 hr 39 mins ago0x530e81d8e4c72eb2446b92cbe371d7014276954a IN  Wormhole: UST Token0 AVAX0.001212043308 27.2816825
0x73f9a86b57cf6ab7a230d0f4d7b77dd0c27e91b8259c1652dfe2b73f9536e401Approve149823872022-05-21 10:18:271 hr 59 mins ago0x530e81d8e4c72eb2446b92cbe371d7014276954a IN  Wormhole: UST Token0 AVAX0.0016307835 26.5
0x238bac0a0aaae0fe21136bcf7e564253fe8a9280ce491f36f073b4a345e451a8Approve149822822022-05-21 10:14:532 hrs 3 mins ago0x75baea910ca2454a1bb1ec7dc01a270c9428ea1c IN  Wormhole: UST Token0 AVAX0.001687707075 27.425
0x492d36ba1f4bbcb2913588aa8730b0ea666a52feec8b26f327af28e0285d0580Approve149822222022-05-21 10:12:532 hrs 5 mins ago0x75baea910ca2454a1bb1ec7dc01a270c9428ea1c IN  Wormhole: UST Token0 AVAX0.0016301475 26.5
0xc61fd11f2135fdcd6efb0383e15633157d7073348d8ea059bbfbb14945cea7c9Approve149814792022-05-21 9:48:022 hrs 29 mins ago0x3d1a6d2abf9264f1348ad9419116d7d438119ff6 IN  Wormhole: UST Token0 AVAX0.0016307835 26.5
0x59eee11e0c40691e4275b17f65d2dbd01a4867079ef333abd4d048e3aa029a05Approve149813112022-05-21 9:42:232 hrs 35 mins ago0x8ed798794b20e677a23ee9a4a0d9ec8762cac870 IN  Wormhole: UST Token0 AVAX0.001608438 26
0x9bc9c896d4c3898dab0e119da38271350b55e57825eb46c322e8c84197f8e923Approve149808832022-05-21 9:28:062 hrs 49 mins ago0xfc5723d6bc8da7cadde437fe7cea54219ce97a67 IN  Wormhole: UST Token0 AVAX0.0016393695 26.5
0x113b3ba2df190844d69cbd4f064f3dcf418689205aac5533de1be779199cacc6Approve149804962022-05-21 9:15:033 hrs 2 mins ago0x06d27cb67c63a382f48d43e54c307eee3539e011 IN  Wormhole: UST Token0 AVAX0.0011034335 26.5
0x4176799a3120f81779a1c475de38cc5da718f96b181836d7a5eeac5580cb75dfApprove149804842022-05-21 9:14:393 hrs 3 mins ago0x06d27cb67c63a382f48d43e54c307eee3539e011 IN  Wormhole: UST Token0 AVAX0.00167875315 27.2795
0xde1a270445330a399c66b3bab7cde4376a35b5e85290fed07b76313a9b0dcd9eApprove149799412022-05-21 8:56:303 hrs 21 mins ago0xbcd1228a2d7570162c84333ec262d53b00a91528 IN  Wormhole: UST Token0 AVAX0.0016393695 26.5
0xbb50844a347d95b78af32907cee8cf2fe8e6ef989e25c87af8863892175a0c14Transfer149794442022-05-21 8:39:513 hrs 38 mins ago0xb0720a40d6335df0ac90ff9e4b755217632ca78c IN  Wormhole: UST Token0 AVAX0.0013193025 26.5
0x612f1d7c288cc6b5a205a939ef492cd386c18476bb350489e6925f69de5f8d5dApprove149785512022-05-21 8:09:454 hrs 8 mins ago0x05282694311b7d38c57ccb16364dca7231d2556f IN  Wormhole: UST Token0 AVAX0.0011027975 26.5
0x5ba4fe54ea5a8b5560d74422896b6c751f884a23e913eda7dc7ef5118a0808ccApprove149785152022-05-21 8:08:304 hrs 9 mins ago0x05282694311b7d38c57ccb16364dca7231d2556f IN  Wormhole: UST Token0 AVAX0.0016301475 26.5
0x0381ba971efd3df797091ab9e2e3d8d30f12a9d946b55cc891c1d0a6cf806b56Approve149784392022-05-21 8:05:584 hrs 12 mins ago0x946a256c8bf525b4d94d9338cac505ea7b0054a6 IN  Wormhole: UST Token0 AVAX0.0011027975 26.5
0xfb118137a9695239035cb85bed21d9d14d842ce5c5073903fc0b4f740f299579Approve149784202022-05-21 8:05:204 hrs 12 mins ago0x946a256c8bf525b4d94d9338cac505ea7b0054a6 IN  Wormhole: UST Token0 AVAX0.0016301475 26.5
0x0411a5ef133c4ad2940c3c154af0597bda28d512aa92d5068dcb5dbe8871584dApprove149782402022-05-21 7:59:174 hrs 18 mins ago0x05282694311b7d38c57ccb16364dca7231d2556f IN  Wormhole: UST Token0 AVAX0.0016301475 26.5
0x0fe5bbaf791dc5ddd3998d31e73aa5f167bcc3b9217a74e9a9ac3b8cfa873751Approve149781852022-05-21 7:57:264 hrs 20 mins ago0xb6bf31322d119f5061571cb4c54ccb299b3ced75 IN  Wormhole: UST Token0 AVAX0.0016393695 26.5
0xc7b49249411f74e8de9c2da3d1546565edb49ea03513daa5dfb2ab7da73d0d19Approve149770482022-05-21 7:19:214 hrs 58 mins ago0xa9ef1e763fdead5eadc840e9118a65a47125f939 IN  Wormhole: UST Token0 AVAX0.001687377975 27.425
0x5f3238eb6125687dedbb2e99470ae077effd4721cfa840540cda3b064494c4efApprove149766262022-05-21 7:05:175 hrs 12 mins ago0xa9ef1e763fdead5eadc840e9118a65a47125f939 IN  Wormhole: UST Token0 AVAX0.001866421545 30.335
0x72449896ac0ab0aa04075abe8bdc7c7421dcf282b69ab89e57b5ffc24b011836Approve149766102022-05-21 7:04:435 hrs 13 mins ago0x78ba19ed7238555afab47fb10b908074d3865b2b IN  Wormhole: UST Token0 AVAX0.0016307835 26.5
0x4607ab98917aa4ff765968d3fb289524058fa919be74db3d674dc170b300252dApprove149764072022-05-21 6:57:555 hrs 20 mins ago0xdecefb74faf4069dd84cd3c4cc26b23cfd42ac64 IN  Wormhole: UST Token0 AVAX0.0016307835 26.5
0xf4b901f608779e4372397d611ca747871983bb3720f8c672553e6935fe54dddcApprove149756652022-05-21 6:33:075 hrs 44 mins ago0x63c2dc8afedb66c9c756834ee0570028933e919c IN  Wormhole: UST Token0 AVAX0.0016304655 26.5
0x4cc5c54b8a0dc61aaa28954ccf8def5268c68c53d07e1ed188f752af59c0ba83Approve149748492022-05-21 6:05:566 hrs 12 mins ago0xc7dbba539b1cfb9e8a38ce6a0b153449f40682f5 IN  Wormhole: UST Token0 AVAX0.0016304655 26.5
0x5467f6a981ae1ca19693d2179a4446c99408dbde3fd68e00fe02b1f72d34d972Approve149747392022-05-21 6:02:146 hrs 15 mins ago0xc7dbba539b1cfb9e8a38ce6a0b153449f40682f5 IN  Wormhole: UST Token0 AVAX0.0016301475 26.5
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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
0x56e2942ce798d23313bf1a5d88ae16432452aacc71a4d268852d06ccc4a8009085369622021-12-21 18:30:22150 days 17 hrs ago Wormhole: Token Bridge  Contract Creation0 AVAX
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Contract Source Code Verified (Exact Match)

Contract Name:
BridgeToken

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Apache-2.0 license

Contract Source Code (Solidity)

/**
 *Submitted for verification at snowtrace.io on 2022-03-30
*/

// File: @openzeppelin/contracts/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/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/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/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/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


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: contracts/bridge/token/Token.sol

// contracts/Structs.sol
// SPDX-License-Identifier: Apache 2

pragma solidity ^0.8.0;


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

    }
}

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"}]

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0000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000164c71f461500000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000025910000000000000000000000000e082f06ff657d94310cb8ce8b0d9a04541d805200000000000000000000000000000000000000000000000000000000000000030100000000000000000000000000000000000000000000000000000075757364000000000000000000000000000000000000000000000000000000000000000355535400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003555354000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : beacon (address): 0x0e082f06ff657d94310cb8ce8b0d9a04541d8052
Arg [1] : data (bytes): 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

-----Encoded View---------------
15 Constructor Arguments found :
Arg [0] : 0000000000000000000000000e082f06ff657d94310cb8ce8b0d9a04541d8052
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000164
Arg [3] : c71f461500000000000000000000000000000000000000000000000000000000
Arg [4] : 000000e000000000000000000000000000000000000000000000000000000000
Arg [5] : 0000012000000000000000000000000000000000000000000000000000000000
Arg [6] : 0000000600000000000000000000000000000000000000000000000000000000
Arg [7] : 000025910000000000000000000000000e082f06ff657d94310cb8ce8b0d9a04
Arg [8] : 541d805200000000000000000000000000000000000000000000000000000000
Arg [9] : 0000000301000000000000000000000000000000000000000000000000000000
Arg [10] : 7575736400000000000000000000000000000000000000000000000000000000
Arg [11] : 0000000355535400000000000000000000000000000000000000000000000000
Arg [12] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [13] : 0000000355535400000000000000000000000000000000000000000000000000
Arg [14] : 0000000000000000000000000000000000000000000000000000000000000000


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://3e23ac4f79a95247999f8e0df94ea5bd5e38561ccfd051b0ea50ba9aea59b8f1
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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