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ForeignBridgeErcToNative.sol
66 lines (56 loc) · 2.59 KB
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ForeignBridgeErcToNative.sol
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pragma solidity 0.4.24;
import "../BasicForeignBridge.sol";
import "../ERC20Bridge.sol";
contract ForeignBridgeErcToNative is BasicForeignBridge, ERC20Bridge {
event RelayedMessage(address recipient, uint256 value, bytes32 transactionHash);
function initialize(
address _validatorContract,
address _erc20token,
uint256 _requiredBlockConfirmations,
uint256 _gasPrice,
uint256[] _maxPerTxHomeDailyLimitHomeMaxPerTxArray, //[ 0 = _maxPerTx, 1 = _homeDailyLimit, 2 = _homeMaxPerTx ]
address _owner,
uint256 _decimalShift
) external returns (bool) {
require(!isInitialized());
require(AddressUtils.isContract(_validatorContract));
require(_requiredBlockConfirmations != 0);
require(_gasPrice > 0);
require(_maxPerTxHomeDailyLimitHomeMaxPerTxArray[2] < _maxPerTxHomeDailyLimitHomeMaxPerTxArray[1]); // _homeMaxPerTx < _homeDailyLimit
require(_owner != address(0));
addressStorage[VALIDATOR_CONTRACT] = _validatorContract;
setErc20token(_erc20token);
uintStorage[DEPLOYED_AT_BLOCK] = block.number;
uintStorage[REQUIRED_BLOCK_CONFIRMATIONS] = _requiredBlockConfirmations;
uintStorage[GAS_PRICE] = _gasPrice;
uintStorage[MAX_PER_TX] = _maxPerTxHomeDailyLimitHomeMaxPerTxArray[0];
uintStorage[EXECUTION_DAILY_LIMIT] = _maxPerTxHomeDailyLimitHomeMaxPerTxArray[1];
uintStorage[EXECUTION_MAX_PER_TX] = _maxPerTxHomeDailyLimitHomeMaxPerTxArray[2];
uintStorage[DECIMAL_SHIFT] = _decimalShift;
setOwner(_owner);
setInitialize();
emit RequiredBlockConfirmationChanged(_requiredBlockConfirmations);
emit GasPriceChanged(_gasPrice);
emit ExecutionDailyLimitChanged(_maxPerTxHomeDailyLimitHomeMaxPerTxArray[1]);
return isInitialized();
}
function getBridgeMode() external pure returns (bytes4 _data) {
return 0x18762d46; // bytes4(keccak256(abi.encodePacked("erc-to-native-core")))
}
function claimTokens(address _token, address _to) public {
require(_token != address(erc20token()));
super.claimTokens(_token, _to);
}
function onExecuteMessage(
address _recipient,
uint256 _amount,
bytes32 /*_txHash*/
) internal returns (bool) {
setTotalExecutedPerDay(getCurrentDay(), totalExecutedPerDay(getCurrentDay()).add(_amount));
uint256 amount = _amount.div(10**decimalShift());
return erc20token().transfer(_recipient, amount);
}
function onFailedMessage(address, uint256, bytes32) internal {
revert();
}
}