Contract 0x4a792f51ccc616b82ef74d2478c732e161c5e6b1

 

Contract Overview

Boba Network: Boba Billing Contract
Balance:
0 Ether

EtherValue:
$0.00
Txn Hash Method
Block
From
To
Value
0x27461a79cfcd8786f47997cff00b1966827293dcb4118635c1779c265084e98cInitialize4435792022-04-04 20:46:08304 days 1 hr agoBoba Network: Deployer IN  Boba Network: Boba Billing Contract0 Ether0.0004730941
0xc7f5148e00cc58fd58586583e59b0b915d4647a1053c07ef7806fba1bfee95840x608060404435752022-04-04 20:46:08304 days 1 hr agoBoba Network: Deployer IN  Create: L2BillingContract0 Ether0.0017306991
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Latest 25 internal transaction
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0xff428fbd48112f5ba2cbc4577dae210c935d22fbcf12880145c942b8a69d524c9559122023-02-02 20:54:561 hr 13 mins ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0xfd0257fea2790fd1d03a1e23688353fb83de9a19d3c02577561e319d1fcca19e9556542023-02-02 14:25:117 hrs 43 mins ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0xfd0257fea2790fd1d03a1e23688353fb83de9a19d3c02577561e319d1fcca19e9556542023-02-02 14:25:117 hrs 43 mins ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0xa2b5782841cbbf60e133c67c542fed263fd7e17f617b600db4f4ec4719bb2a3f9554652023-02-02 4:53:0717 hrs 15 mins ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0xc9495b02f9fad8cc318bba9164d907a45747536039ebc1050b64700798a106929553072023-02-01 23:42:2322 hrs 25 mins ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x85721756655fcb5705b8e047f697906e6565146bd282fe80e227d97d3cf954259551942023-02-01 19:56:101 day 2 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x85721756655fcb5705b8e047f697906e6565146bd282fe80e227d97d3cf954259551942023-02-01 19:56:101 day 2 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x17f5d7a6078d144c02f464cc99a5feca9e4db665bd3544977ea0ed58b3725dc69549822023-02-01 12:10:501 day 9 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x71a1c87404d4f93cd0c8648e3c397f773ea0ae0ebb639c0296b22c0dabf6412b9548272023-02-01 6:00:101 day 16 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0xa8181b8d619cda215f259680887880cf3edd923c84633eb9a2b7eda97435427a9546592023-01-31 23:29:301 day 22 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0xf9af14354d5e16512520726f792786749a2a5b1dd8fd22727516c39cfa735fb59545452023-01-31 17:40:312 days 4 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0xf9af14354d5e16512520726f792786749a2a5b1dd8fd22727516c39cfa735fb59545452023-01-31 17:40:312 days 4 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x11c5ea8e5eb3d4baeec9711034431605a412416264438327c8f9f6608d88e63d9544772023-01-31 15:05:592 days 7 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x11c5ea8e5eb3d4baeec9711034431605a412416264438327c8f9f6608d88e63d9544772023-01-31 15:05:592 days 7 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x53ca4ea2062693b46c799c57df10446584d96f6f8a105b619d3628e285baa1139544752023-01-31 15:03:072 days 7 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x53ca4ea2062693b46c799c57df10446584d96f6f8a105b619d3628e285baa1139544752023-01-31 15:03:072 days 7 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x2daaa41da86d5e09a0754bcdc865fa161b880bcb624b34ee7dfa5555479375ab9542412023-01-31 3:17:262 days 18 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x1ecd4e9697d302e90b284398b14f4c171e4915a6c040193e7763e2524c5233119541562023-01-31 0:17:082 days 21 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x486edc95bc5c4781fc66772d5a7362451077dd3fb0c7eb0ab0e5a2140a1c21009541372023-01-30 23:31:572 days 22 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x486edc95bc5c4781fc66772d5a7362451077dd3fb0c7eb0ab0e5a2140a1c21009541372023-01-30 23:31:572 days 22 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0xc155fa7d1d3a7fe752cc31e3cf5f16d39649361de63addd13ef10e701b7dd4b19541102023-01-30 22:26:582 days 23 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x3f1a4207f5b32d14ac4f5426f23c079150ca4b1d5561ea4ed3287dd91b3df0ba9539712023-01-30 16:49:173 days 5 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x3f1a4207f5b32d14ac4f5426f23c079150ca4b1d5561ea4ed3287dd91b3df0ba9539712023-01-30 16:49:173 days 5 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x1969d6f3479ba78a2ad983cdc95c4d575f7134504be61a7e01066ed6334a1e939539202023-01-30 14:55:533 days 7 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
0x6f068504cb13af8d9e1f4b046873b84963e55e8f25e390fe907362edfba338989538932023-01-30 13:26:243 days 8 hrs ago Boba Network: Proxy Boba Billing Contract Boba Network: Boba Billing Contract0 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
L2BillingContract

Compiler Version
v0.8.9+commit.e5eed63a

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 4 : L2BillingContract.sol
// SPDX-License-Identifier: MIT
pragma solidity >0.7.5;

import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';

contract L2BillingContract {
    using SafeERC20 for IERC20;

    /*************
     * Variables *
     *************/

    address public owner;
    address public feeTokenAddress;
    address public l2FeeWallet;
    uint256 public exitFee;

    /*************
     *   Events  *
     *************/

    event TransferOwnership(address, address);
    event UpdateExitFee(uint256);
    event CollectFee(address, uint256);
    event Withdraw(address, uint256);

    /*************
     * Modifiers *
     *************/

    modifier onlyNotInitialized() {
        require(feeTokenAddress == address(0), "Contract has been initialized");
        _;
    }

    modifier onlyInitialized() {
        require(feeTokenAddress != address(0), "Contract has not been initialized");
        _;
    }

    modifier onlyOwner() {
        require(owner == msg.sender, "Caller is not the owner");
        _;
    }

    /*************
     * Functions *
     *************/

    function initialize(address _feeTokenAddress, address _l2FeeWallet, uint256 _exitFee) public onlyNotInitialized {
        require(_feeTokenAddress != address(0), "Fee token address cannot be zero");
        require(_l2FeeWallet != address(0), "L2 fee wallet cannot be zero");
        require(_exitFee > 0, "exit fee cannot be zero");
        feeTokenAddress = _feeTokenAddress;
        l2FeeWallet = _l2FeeWallet;
        exitFee = _exitFee;
        owner = msg.sender;
    }

    function transferOwnership(address _newOwner) public onlyOwner {
        require(_newOwner != address(0), "Ownable: new owner is the zero address");
        address oldOwner = owner;
        owner = _newOwner;
        emit TransferOwnership(oldOwner, _newOwner);
    }

      function updateExitFee(uint256 _exitFee)
        public
        onlyOwner()
    {
        require(_exitFee > 0, "exit fee cannot be zero");
        exitFee = _exitFee;

        emit UpdateExitFee(_exitFee);
    }

    function collectFee() external onlyInitialized {
        IERC20(feeTokenAddress).safeTransferFrom(msg.sender, address(this), exitFee);

        emit CollectFee(msg.sender, exitFee);
    }

    function withdraw() external onlyInitialized {
        uint256 balance = IERC20(feeTokenAddress).balanceOf(address(this));
        require(balance >= 150e18, "Balance is too low");
        IERC20(feeTokenAddress).safeTransfer(l2FeeWallet, balance);

        emit Withdraw(l2FeeWallet, balance);
    }
}

File 2 of 4 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 3 of 4 : SafeERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 4 of 4 : Address.sol
// SPDX-License-Identifier: MIT

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);
            }
        }
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"","type":"address"},{"indexed":false,"internalType":"uint256","name":"","type":"uint256"}],"name":"CollectFee","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"","type":"address"},{"indexed":false,"internalType":"address","name":"","type":"address"}],"name":"TransferOwnership","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"","type":"uint256"}],"name":"UpdateExitFee","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"","type":"address"},{"indexed":false,"internalType":"uint256","name":"","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"collectFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"exitFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeTokenAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_feeTokenAddress","type":"address"},{"internalType":"address","name":"_l2FeeWallet","type":"address"},{"internalType":"uint256","name":"_exitFee","type":"uint256"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"l2FeeWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_exitFee","type":"uint256"}],"name":"updateExitFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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