Contract 0xac42efBd7A86464Ff2B9d3C2FBdc622A77c7B3EC 8

 
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0x5cef4b3bcbbf8e69f36c6690dcf06d2a1180f77018e34af3f9485dc62cd496e6Stake114819602024-03-06 19:27:4740 days 8 hrs ago0x1c885481a750e5ebf957e65fc359bade294faf9e IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0002263543440.000599444
0xa7c750f8c6097b0562a755eec9fd3c6f1106fb054d96e5433f740573b3354db5Unstake And Clai...114639762024-03-06 9:28:1940 days 18 hrs ago0x4a9f8350172611cd7c5540ecabced0518175edfa IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0001780979820.000013055
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0xd3d6538f5a953aded4c19f4129fc29f47f353f972736d2985a0f26475bf1133fUnstake And Clai...105931812024-02-15 5:41:4960 days 22 hrs ago0x98df92976cfd2469c3ce238b40fb672266e08a9d IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000551426370.000009748
0xcc634caa362c0c841868a3d05ff1409c1db5ced3cdb5f038f9da41e0283c8620Unstake And Clai...101590032024-02-05 4:29:1370 days 23 hrs ago0x0f21ef3a8812d4637f2136b985c6c39c15151388 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000331645510.000044906
0x3945e1cda481dc14b53407cbb79e801dcd6712093bf4743cc67abac0045b035cUnstake And Clai...101585392024-02-05 4:13:4570 days 23 hrs ago0xd0356b4c391254f0e80386c25288c26022ff7201 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000331330.000314275
0x07e21e2f754d0ad35620a86805b8ffc6495791763d4beae980f9ac6e4da8c8baUnstake And Clai...101573882024-02-05 3:35:2371 days 15 mins ago0x2444a7e0afa9c0c63f82efce780448f012418110 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000312639560.000029763
0x3b5873064ffffc2d4bd744c77f7cf708fd67ac73da3631bc9913c0177f482eaaUnstake And Clai...101348862024-02-04 15:05:1971 days 12 hrs ago0x559193a7d9d556292f42c7a1c66b5d81986be3e6 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000606670960.000032359
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0x1f1b9a390dedb86f12f20f8c23fa26045fd0c5334ccfe78f4e7136404058e33bUnstake And Clai...101304652024-02-04 12:37:5771 days 15 hrs ago0x083ffee5c5394bd4117a6c6577aa7d5d02190c1c IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000451903350.00001181
0xc093332d4789db3f7c6f9a181f740fb5d50a91bd9b9910a596ba300fc733d64dUnstake And Clai...100918382024-02-03 15:10:2372 days 12 hrs ago0x487a1d6ed8452c0ea59a8d9e03071d8ed30e8e42 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.00005892360.000006638
0xdcfd3a7595e87cefbfef2ba4ac7a8de517bbb78410eeab052beb67e435d28748Unstake And Clai...100906442024-02-03 14:30:3572 days 13 hrs ago0x2f5acca3383eb9a40b9201d81d15a7a109dcc18d IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.000051226190.000067589
0x57165b89db5315a5032cae7db034691335cd8500eda6211b9902737b4c98e0aaUnstake And Clai...100839622024-02-03 10:47:5172 days 17 hrs ago0xd8b167243c4427d71be48b6c60859f7cc1ad9903 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000405583550.000074095
0xa030e0b677a555c63a54f3f77749c281350b9b7950b1483f3725039ed727cd0aUnstake And Clai...100755572024-02-03 6:07:4172 days 21 hrs ago0x0e9e47734ba4347294791fb5c6acc622b731bb17 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000366664450.000152312
0x38c6530443564c6da558ca642bd35b162d19791bc1d778f352d404c7152c5e5eUnstake And Clai...100484832024-02-02 15:05:1373 days 12 hrs ago0x943961dee85bc1d73a1468a3df3cef11fa8f29d1 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000686683070.000941196
0x5ef4890f49241f3d80b01184be5aaa0378e66c18ce0edd329840d3418cd680a3Unstake And Clai...100458942024-02-02 13:38:5573 days 14 hrs ago0x4d68526e45e5429e6a231b9085c03eea1a675abf IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000769940730.000010372
0xd5dff7a91cc0075dbd69211eefed8086b67caa31f578c0249486bad7a46eb5a5Unstake And Clai...98232002024-01-28 9:55:4778 days 17 hrs ago0xc19e722a4c42d64f7b5c5cd98827e84f56f63946 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000444157360.000078437
0xc26a09177bbaa071803083fd30c9103abacc9ee57e2a8060a0f44abc43db7ee3Stake95900052024-01-23 0:22:3784 days 3 hrs ago0xd305fecb8964caab5f5f19b25989d166e360590b IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000305020810.000044568
0xf7b602eb4c427df66682b1e4c7c7d4cab34f32efeeebe07641d7049b5b08c2b1Unstake And Clai...95899252024-01-23 0:19:5784 days 3 hrs ago0xd305fecb8964caab5f5f19b25989d166e360590b IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000302824340.000070852
0x0259250df4173b3cf72d1c3f8389670cc2a4917713b7f817fa663ea0597ee62aUnstake And Clai...94937602024-01-20 18:54:2786 days 8 hrs ago0x59f2b68ae6c13c69c0b6475ddd219dfbcaa4fa31 IN  Seamless Protocol: wsUSDbC Geyser0 ETH0.0000399171740.000097264
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This contract matches the deployed Bytecode of the Source Code for Contract 0x9f5AF07189B4aE59845D36a2b0562478870fa915
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
AdminUpgradeabilityProxy

Compiler Version
v0.6.8+commit.0bbfe453

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at basescan.org on 2023-09-12
*/

// Sources flattened with hardhat v2.1.2 https://hardhat.org

// SPDX-License-Identifier: MIT

// File contracts/proxy/Proxy.sol

pragma solidity ^0.6.0;

/**
 * @title Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
abstract contract Proxy {
  /**
   * @dev Fallback function.
   * Implemented entirely in `_fallback`.
   */
  fallback () payable external {
    _fallback();
  }

  /**
   * @dev Receive function.
   * Implemented entirely in `_fallback`.
   */
  receive () payable external {
    _fallback();
  }

  /**
   * @return The Address of the implementation.
   */
  function _implementation() internal virtual view returns (address);

  /**
   * @dev Delegates execution to an implementation contract.
   * This is a low level function that doesn't return to its internal call site.
   * It will return to the external caller whatever the implementation returns.
   * @param implementation Address to delegate.
   */
  function _delegate(address implementation) internal {
    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 Function that is run as the first thing in the fallback function.
   * Can be redefined in derived contracts to add functionality.
   * Redefinitions must call super._willFallback().
   */
  function _willFallback() internal virtual {
  }

  /**
   * @dev fallback implementation.
   * Extracted to enable manual triggering.
   */
  function _fallback() internal {
    _willFallback();
    _delegate(_implementation());
  }
}


// File @openzeppelin/contracts/utils/[email protected]

pragma solidity >=0.6.2 <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;
        // solhint-disable-next-line no-inline-assembly
        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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}


// File contracts/proxy/UpgradeabilityProxy.sol

pragma solidity ^0.6.0;


/**
 * @title UpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract UpgradeabilityProxy is Proxy {
  /**
   * @dev Contract constructor.
   * @param _logic Address of the initial implementation.
   * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
   */
  constructor(address _logic, bytes memory _data) public payable {
    assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
    _setImplementation(_logic);
    if(_data.length > 0) {
      (bool success,) = _logic.delegatecall(_data);
      require(success);
    }
  }  

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

  /**
   * @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 Returns the current implementation.
   * @return impl Address of the current implementation
   */
  function _implementation() internal override view returns (address impl) {
    bytes32 slot = IMPLEMENTATION_SLOT;
    assembly {
      impl := sload(slot)
    }
  }

  /**
   * @dev Upgrades the proxy to a new implementation.
   * @param newImplementation Address of the new implementation.
   */
  function _upgradeTo(address newImplementation) internal {
    _setImplementation(newImplementation);
    emit Upgraded(newImplementation);
  }

  /**
   * @dev Sets the implementation address of the proxy.
   * @param newImplementation Address of the new implementation.
   */
  function _setImplementation(address newImplementation) internal {
    require(Address.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");

    bytes32 slot = IMPLEMENTATION_SLOT;

    assembly {
      sstore(slot, newImplementation)
    }
  }
}


// File contracts/proxy/AdminUpgradeabilityProxy.sol

pragma solidity ^0.6.0;

/**
 * @title AdminUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * All external functions in this contract must be guarded by the
 * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
 * feature proposal that would enable this to be done automatically.
 */
contract AdminUpgradeabilityProxy is UpgradeabilityProxy {
  /**
   * Contract constructor.
   * @param _logic address of the initial implementation.
   * @param _admin Address of the proxy administrator.
   * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
   */
  constructor(address _logic, address _admin, bytes memory _data) UpgradeabilityProxy(_logic, _data) public payable {
    assert(ADMIN_SLOT == bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1));
    _setAdmin(_admin);
  }

  /**
   * @dev Emitted when the administration has been transferred.
   * @param previousAdmin Address of the previous admin.
   * @param newAdmin Address of the new admin.
   */
  event AdminChanged(address previousAdmin, address newAdmin);

  /**
   * @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 Modifier to check whether the `msg.sender` is the admin.
   * If it is, it will run the function. Otherwise, it will delegate the call
   * to the implementation.
   */
  modifier ifAdmin() {
    if (msg.sender == _admin()) {
      _;
    } else {
      _fallback();
    }
  }

  /**
   * @return The address of the proxy admin.
   */
  function admin() external ifAdmin returns (address) {
    return _admin();
  }

  /**
   * @return The address of the implementation.
   */
  function implementation() external ifAdmin returns (address) {
    return _implementation();
  }

  /**
   * @dev Changes the admin of the proxy.
   * Only the current admin can call this function.
   * @param newAdmin Address to transfer proxy administration to.
   */
  function changeAdmin(address newAdmin) external ifAdmin {
    require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address");
    emit AdminChanged(_admin(), newAdmin);
    _setAdmin(newAdmin);
  }

  /**
   * @dev Upgrade the backing implementation of the proxy.
   * Only the admin can call this function.
   * @param newImplementation Address of the new implementation.
   */
  function upgradeTo(address newImplementation) external ifAdmin {
    _upgradeTo(newImplementation);
  }

  /**
   * @dev Upgrade the backing implementation of the proxy and call a function
   * on the new implementation.
   * This is useful to initialize the proxied contract.
   * @param newImplementation Address of the new implementation.
   * @param data Data to send as msg.data in the low level call.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   */
  function upgradeToAndCall(address newImplementation, bytes calldata data) payable external ifAdmin {
    _upgradeTo(newImplementation);
    (bool success,) = newImplementation.delegatecall(data);
    require(success);
  }

  /**
   * @return adm The admin slot.
   */
  function _admin() internal view returns (address adm) {
    bytes32 slot = ADMIN_SLOT;
    assembly {
      adm := sload(slot)
    }
  }

  /**
   * @dev Sets the address of the proxy admin.
   * @param newAdmin Address of the new proxy admin.
   */
  function _setAdmin(address newAdmin) internal {
    bytes32 slot = ADMIN_SLOT;

    assembly {
      sstore(slot, newAdmin)
    }
  }

  /**
   * @dev Only fall back when the sender is not the admin.
   */
  function _willFallback() internal override virtual {
    require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin");
    super._willFallback();
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","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":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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Deployed ByteCode Sourcemap

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Swarm Source

ipfs://6e221e2a3547bd97244b05ed46430b1b078ba097cb2a4e25ec3d79cf9ac9f02c
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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