tornado-nova/contracts/bridge/CrossChainGuard.sol

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2021-10-12 17:50:25 +02:00
// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import { IAMB } from "../interfaces/IBridge.sol";
contract CrossChainGuard {
IAMB public immutable ambBridge;
bytes32 public immutable ownerChainId;
address public immutable owner;
constructor(
address _ambBridge,
uint256 _ownerChainId,
address _owner
) {
ambBridge = IAMB(_ambBridge);
owner = _owner;
ownerChainId = bytes32(uint256(_ownerChainId));
}
function isCalledByOwner() public virtual returns (bool) {
return
msg.sender == address(ambBridge) && ambBridge.messageSourceChainId() == ownerChainId && ambBridge.messageSender() == owner;
}
}