- Contract name:
- Box
- Optimization enabled
- true
- Compiler version
- v0.4.24+commit.e67f0147
- Optimization runs
- 200
- EVM Version
- byzantium
- Verified at
- 2019-07-22T13:28:08.947993Z
Contract source code
// 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 {
}
}
Contract ABI
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Contract Creation Code
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ByteCode
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