Merge pull request #313 from tranchess/dev-bc-keeperhelper

Add CrossChainMint Keeper helper

contracts/keeper/CrossChainMintKeeperHelper.sol

@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+pragma solidity >=0.6.10 <0.8.0;
+
+import "@openzeppelin/contracts/access/Ownable.sol";
+import "@chainlink/contracts/src/v0.6/interfaces/KeeperCompatibleInterface.sol";
+import "../layerzero/interfaces/ILayerZeroEndpoint.sol";
+import "../utils/CoreUtility.sol";
+
+interface IScheduleRelayer {
+ function lzEndpoint() external view returns (ILayerZeroEndpoint);
+
+ function subLzChainID() external view returns (uint16);
+
+ function lastWeek() external view returns (uint256);
+
+ function crossChainMint(bytes memory adapterParams) external payable;
+}
+
+contract CrossChainMintKeeperHelper is KeeperCompatibleInterface, Ownable, CoreUtility {
+ uint256 private constant DATA_LENGTH = 32; // abi.encode(uint256)
+ uint256 private constant MINT_GAS_LIMIT = 140000;
+
+ IScheduleRelayer public immutable relayer;
+ uint16 public immutable subLzChainID;
+ ILayerZeroEndpoint public immutable lzEndpoint;
+
+ constructor(address relayer_) public {
+ relayer = IScheduleRelayer(relayer_);
+ subLzChainID = IScheduleRelayer(relayer_).subLzChainID();
+ lzEndpoint = IScheduleRelayer(relayer_).lzEndpoint();
+ }
+
+ receive() external payable {}
+
+ function withdraw(uint256 value) external onlyOwner {
+ (bool success, ) = msg.sender.call{value: value}("");
+ require(success, "ETH transfer failed");
+ }
+
+ function checkUpkeep(bytes calldata)
+ external
+ override
+ returns (bool upkeepNeeded, bytes memory)
+ {
+ uint256 startWeek = _endOfWeek(block.timestamp) - 1 weeks;
+ uint256 lastWeek = relayer.lastWeek();
+ upkeepNeeded = (startWeek > lastWeek);
+ }
+
+ function performUpkeep(bytes calldata) external override {
+ (uint256 srcFees, ) =
+ lzEndpoint.estimateFees(
+ subLzChainID,
+ address(relayer),
+ new bytes(DATA_LENGTH),
+ false,
+ abi.encodePacked(uint16(1), MINT_GAS_LIMIT)
+ );
+ require(address(this).balance >= srcFees, "Not enough balance");
+ relayer.crossChainMint{value: srcFees}(abi.encodePacked(uint16(1), MINT_GAS_LIMIT));
+ }
+}

contracts/keeper/CrossChainSyncKeeperHelper.sol

@@ -10,7 +10,7 @@ interface ISubSchedule {
 
  function mainLzChainID() external view returns (uint16);
 
- function crossChainSync() external payable;
+ function crossChainSync(bytes memory adapterParams) external payable;
 }
 
 contract CrossChainSyncKeeperHelper is KeeperCompatibleInterface, Ownable {
@@ -62,7 +62,7 @@ contract CrossChainSyncKeeperHelper is KeeperCompatibleInterface, Ownable {
  abi.encodePacked(uint16(1), SYNC_GAS_LIMIT)
  );
  require(address(this).balance >= srcFees, "Not enough balance");
- subSchedule.crossChainSync{value: srcFees}();
+ subSchedule.crossChainSync{value: srcFees}(abi.encodePacked(uint16(1), SYNC_GAS_LIMIT));
 
  // Always skip to the lastest week
  _updateLastTimestamp(