Contract Address Details

/**
* Submitted for verification at blockscout.com on 2019-07-22 13:28:08.947993Z
*/

// File: openzeppelin-solidity/contracts/math/SafeMath.sol

pragma solidity ^0.4.24;


/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {

  /**
  * @dev Multiplies two numbers, throws on overflow.
  */
  function mul(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
    // Gas optimization: this is cheaper than asserting 'a' not being zero, but the
    // benefit is lost if 'b' is also tested.
    // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
    if (_a == 0) {
      return 0;
    }

    c = _a * _b;
    assert(c / _a == _b);
    return c;
  }

  /**
  * @dev Integer division of two numbers, truncating the quotient.
  */
  function div(uint256 _a, uint256 _b) internal pure returns (uint256) {
    // assert(_b > 0); // Solidity automatically throws when dividing by 0
    // uint256 c = _a / _b;
    // assert(_a == _b * c + _a % _b); // There is no case in which this doesn't hold
    return _a / _b;
  }

  /**
  * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
  */
  function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {
    assert(_b <= _a);
    return _a - _b;
  }

  /**
  * @dev Adds two numbers, throws on overflow.
  */
  function add(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
    c = _a + _b;
    assert(c >= _a);
    return c;
  }
}

// File: contracts/upgradeable_contracts/arbitrary_message/MessageDelivery.sol

pragma solidity 0.4.24;



contract MessageDelivery {
    using SafeMath for uint256;

    function requireToPassMessage(address _contract, bytes _data, uint256 _gas) public {
        require(isMessageDeliverySubsidizedMode());
        require(_gas >= getMinimumGasUsage(_data) && _gas <= getMaxGasPerTx());
        emitEventOnMessageRequest(abi.encodePacked(msg.sender, _contract, _gas, uint8(0x00), _data));
    }

    function requireToPassMessage(address _contract, bytes _data, uint256 _gas, uint256 _gasPrice) public {
        if (isMessageDeliverySubsidizedMode())
            requireToPassMessage(_contract, _data, _gas);
        else {
            require(_gas >= getMinimumGasUsage(_data) && _gas <= getMaxGasPerTx());
            emitEventOnMessageRequest(abi.encodePacked(msg.sender, _contract, _gas, uint8(0x01), _gasPrice, _data));
        }
    }

    function requireToPassMessage(address _contract, bytes _data, uint256 _gas, bytes1 _oracleGasPriceSpeed) public {
        if (isMessageDeliverySubsidizedMode())
            requireToPassMessage(_contract, _data, _gas);
        else {
            require(_gas >= getMinimumGasUsage(_data) && _gas <= getMaxGasPerTx());
            emitEventOnMessageRequest(
                abi.encodePacked(msg.sender, _contract, _gas, uint8(0x02), _oracleGasPriceSpeed, _data)
            );
        }
    }

    function getMinimumGasUsage(bytes _data) public pure returns(uint256 gas) {
        //From Ethereum Yellow Paper
        // 68 gas is paid for every non-zero byte of data or code for a transaction
        return _data.length.mul(68);
    }

    function getMaxGasPerTx() internal returns(uint256);

    function isMessageDeliverySubsidizedMode() internal returns(bool);

    function emitEventOnMessageRequest(bytes encodedData) internal;
}

// File: contracts/test/IAMB.sol

pragma solidity 0.4.24;


interface IAMB {
    function messageSender() external view returns(address);
}

// File: contracts/test/Box.sol

pragma solidity 0.4.24;



contract Box {
  event dataEvent(bytes selectorData);
  uint256 public value;
  address public lastSender;

  function setValue(uint256 _value) public {
    value = _value;
    lastSender = IAMB(msg.sender).messageSender();
  }

  function methodWillFail() public {
    revert();
  }

  function methodOutOfGas() public {
    uint256 a = 0;
    for (uint i = 0; i < 1000; i++) {
      a = a + i;
    }
  }

  function methodWillFailOnOtherNetwork(address _bridge, address _executor) public {
    bytes4 methodSelector = this.methodWillFail.selector;
    bytes memory encodedData = abi.encodeWithSelector(methodSelector);
    MessageDelivery bridge = MessageDelivery(_bridge);
    bridge.requireToPassMessage(_executor, encodedData, 141647);
  }

  function methodOutOfGasOnOtherNetwork(address _bridge, address _executor) public {
    bytes4 methodSelector = this.methodOutOfGas.selector;
    bytes memory encodedData = abi.encodeWithSelector(methodSelector);
    MessageDelivery bridge = MessageDelivery(_bridge);
    bridge.requireToPassMessage(_executor, encodedData, 1000);
  }

  function setValueOnOtherNetwork(uint256 _i, address _bridge, address _executor) public {
    bytes4 methodSelector = this.setValue.selector;
    bytes memory encodedData = abi.encodeWithSelector(methodSelector, _i);
    MessageDelivery bridge = MessageDelivery(_bridge);
    bridge.requireToPassMessage(_executor, encodedData, 141647);
  }

  function setValueOnOtherNetworkGasPrice(uint256 _i, address _bridge, address _executor, uint256 _gasPrice) public {
    bytes4 methodSelector = this.setValue.selector;
    bytes memory encodedData = abi.encodeWithSelector(methodSelector, _i);
    MessageDelivery bridge = MessageDelivery(_bridge);
    bridge.requireToPassMessage(_executor, encodedData, 821254, _gasPrice);
  }

  function setValueOnOtherNetworkGasPriceOracle(uint256 _i, address _bridge, address _executor, bytes1 _oracleGasPriceSpeed) public {
    bytes4 methodSelector = this.setValue.selector;
    bytes memory encodedData = abi.encodeWithSelector(methodSelector, _i);
    MessageDelivery bridge = MessageDelivery(_bridge);
    bridge.requireToPassMessage(_executor, encodedData, 821254, _oracleGasPriceSpeed);
  }

  function withdrawFromDepositOnOtherNetworkGasPrice(address _recipient, address _bridge, address _executor, uint256 _gasPrice) public {
    bytes4 methodSelector = this.withdrawFromDeposit.selector;
    bytes memory encodedData = abi.encodeWithSelector(methodSelector, _recipient);
    MessageDelivery bridge = MessageDelivery(_bridge);
    bridge.requireToPassMessage(_executor, encodedData, 821254, _gasPrice);
  }

  function withdrawFromDeposit(address _recipient) public {
  }

}

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