tornado-nova/contracts/Mocks/MockOmniBridge.sol
2021-09-30 18:34:07 +03:00

51 lines
1.3 KiB
Solidity

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import { IAMB, IOmniBridge } from "../CrossChainUpgradeableProxy.sol";
contract MockOmniBridge is IOmniBridge {
IAMB public AMB;
constructor(IAMB _AMB) {
AMB = _AMB;
}
function bridgeContract() external view override returns (IAMB) {
return AMB;
}
function execute(address _who, bytes calldata _calldata) external returns (bool success, bytes memory result) {
(success, result) = _who.call(_calldata);
}
event OnTokenTransfer(address contr, address from, address receiver, uint256 value, bytes data);
function onTokenTransfer(
address _from,
uint256 _value,
bytes memory _data
) external returns (bool) {
bytes memory data = new bytes(0);
address receiver = _from;
if (_data.length >= 20) {
receiver = bytesToAddress(_data);
if (_data.length > 20) {
assembly {
let size := sub(mload(_data), 20)
data := add(_data, 20)
mstore(data, size)
}
}
}
emit OnTokenTransfer(msg.sender, _from, receiver, _value, data);
//bridgeSpecificActionsOnTokenTransfer(msg.sender, _from, receiver, _value, data);
return true;
}
function bytesToAddress(bytes memory _bytes) internal pure returns (address addr) {
assembly {
addr := mload(add(_bytes, 20))
}
}
}