/
ForeignBridgeNativeToErc.sol
140 lines (128 loc) · 5.75 KB
/
ForeignBridgeNativeToErc.sol
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pragma solidity 0.4.24;
import "../../interfaces/IBurnableMintableERC677Token.sol";
import "../BasicForeignBridge.sol";
import "openzeppelin-solidity/contracts/token/ERC20/ERC20Basic.sol";
import "../ERC677BridgeForBurnableMintableToken.sol";
import "./RewardableForeignBridgeNativeToErc.sol";
contract ForeignBridgeNativeToErc is
BasicForeignBridge,
ERC677BridgeForBurnableMintableToken,
RewardableForeignBridgeNativeToErc
{
/// Event created on money withdraw.
event UserRequestForAffirmation(address recipient, uint256 value);
function initialize(
address _validatorContract,
address _erc677token,
uint256[] _dailyLimitMaxPerTxMinPerTxArray, // [ 0 = _dailyLimit, 1 = _maxPerTx, 2 = _minPerTx ]
uint256 _foreignGasPrice,
uint256 _requiredBlockConfirmations,
uint256[] _homeDailyLimitHomeMaxPerTxArray, // [ 0 = _homeDailyLimit, 1 = _homeMaxPerTx ]
address _owner,
uint256 _decimalShift
) external returns (bool) {
_initialize(
_validatorContract,
_erc677token,
_dailyLimitMaxPerTxMinPerTxArray,
_foreignGasPrice,
_requiredBlockConfirmations,
_homeDailyLimitHomeMaxPerTxArray,
_owner,
_decimalShift
);
setInitialize();
return isInitialized();
}
function rewardableInitialize(
address _validatorContract,
address _erc677token,
uint256[] _dailyLimitMaxPerTxMinPerTxArray, // [ 0 = _dailyLimit, 1 = _maxPerTx, 2 = _minPerTx ]
uint256 _foreignGasPrice,
uint256 _requiredBlockConfirmations,
uint256[] _homeDailyLimitHomeMaxPerTxArray, // [ 0 = _homeDailyLimit, 1 = _homeMaxPerTx ]
address _owner,
address _feeManager,
uint256 _homeFee,
uint256 _decimalShift
) external returns (bool) {
_initialize(
_validatorContract,
_erc677token,
_dailyLimitMaxPerTxMinPerTxArray,
_foreignGasPrice,
_requiredBlockConfirmations,
_homeDailyLimitHomeMaxPerTxArray,
_owner,
_decimalShift
);
require(AddressUtils.isContract(_feeManager));
addressStorage[FEE_MANAGER_CONTRACT] = _feeManager;
_setFee(_feeManager, _homeFee, HOME_FEE);
setInitialize();
return isInitialized();
}
function getBridgeMode() external pure returns (bytes4 _data) {
return 0x92a8d7fe; // bytes4(keccak256(abi.encodePacked("native-to-erc-core")))
}
function claimTokensFromErc677(address _token, address _to) external onlyIfUpgradeabilityOwner {
IBurnableMintableERC677Token(erc677token()).claimTokens(_token, _to);
}
function _initialize(
address _validatorContract,
address _erc677token,
uint256[] _dailyLimitMaxPerTxMinPerTxArray, // [ 0 = _dailyLimit, 1 = _maxPerTx, 2 = _minPerTx ]
uint256 _foreignGasPrice,
uint256 _requiredBlockConfirmations,
uint256[] _homeDailyLimitHomeMaxPerTxArray, // [ 0 = _homeDailyLimit, 1 = _homeMaxPerTx ]
address _owner,
uint256 _decimalShift
) internal {
require(!isInitialized());
require(AddressUtils.isContract(_validatorContract));
require(
_dailyLimitMaxPerTxMinPerTxArray[2] > 0 && // _minPerTx > 0
_dailyLimitMaxPerTxMinPerTxArray[1] > _dailyLimitMaxPerTxMinPerTxArray[2] && // _maxPerTx > _minPerTx
_dailyLimitMaxPerTxMinPerTxArray[0] > _dailyLimitMaxPerTxMinPerTxArray[1] // _dailyLimit > _maxPerTx
);
require(_requiredBlockConfirmations > 0);
require(_foreignGasPrice > 0);
require(_homeDailyLimitHomeMaxPerTxArray[1] < _homeDailyLimitHomeMaxPerTxArray[0]); // _homeMaxPerTx < _homeDailyLimit
require(_owner != address(0));
addressStorage[VALIDATOR_CONTRACT] = _validatorContract;
setErc677token(_erc677token);
uintStorage[DAILY_LIMIT] = _dailyLimitMaxPerTxMinPerTxArray[0];
uintStorage[DEPLOYED_AT_BLOCK] = block.number;
uintStorage[MAX_PER_TX] = _dailyLimitMaxPerTxMinPerTxArray[1];
uintStorage[MIN_PER_TX] = _dailyLimitMaxPerTxMinPerTxArray[2];
uintStorage[GAS_PRICE] = _foreignGasPrice;
uintStorage[REQUIRED_BLOCK_CONFIRMATIONS] = _requiredBlockConfirmations;
uintStorage[EXECUTION_DAILY_LIMIT] = _homeDailyLimitHomeMaxPerTxArray[0];
uintStorage[EXECUTION_MAX_PER_TX] = _homeDailyLimitHomeMaxPerTxArray[1];
uintStorage[DECIMAL_SHIFT] = _decimalShift;
setOwner(_owner);
emit RequiredBlockConfirmationChanged(_requiredBlockConfirmations);
emit GasPriceChanged(_foreignGasPrice);
emit DailyLimitChanged(_dailyLimitMaxPerTxMinPerTxArray[0]);
emit ExecutionDailyLimitChanged(_homeDailyLimitHomeMaxPerTxArray[0]);
}
function onExecuteMessage(address _recipient, uint256 _amount, bytes32 _txHash) internal returns (bool) {
setTotalExecutedPerDay(getCurrentDay(), totalExecutedPerDay(getCurrentDay()).add(_amount));
uint256 valueToMint = _amount.div(10**decimalShift());
address feeManager = feeManagerContract();
if (feeManager != address(0)) {
uint256 fee = calculateFee(valueToMint, false, feeManager, HOME_FEE);
if (fee != 0) {
distributeFeeFromSignatures(fee, feeManager, _txHash);
valueToMint = valueToMint.sub(fee);
}
}
return IBurnableMintableERC677Token(erc677token()).mint(_recipient, valueToMint);
}
function fireEventOnTokenTransfer(address _from, uint256 _value) internal {
emit UserRequestForAffirmation(_from, _value);
}
function onFailedMessage(address, uint256, bytes32) internal {
revert();
}
}