Add ECDSA signature verification and enhance ComboHandler functionality
- Integrated ECDSA for signature verification in ComboHandler. - Updated event emissions to include additional parameters for better tracking. - Improved gas tracking during execution of combo plans. - Enhanced database interactions for storing and retrieving plans, including conflict resolution and status updates. - Added new dependencies for security and database management in orchestrator.
This commit is contained in:
defiQUG
@@ -3,6 +3,7 @@ pragma solidity ^0.8.20;
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import "@openzeppelin/contracts/access/Ownable.sol";
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import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
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import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
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import "./interfaces/IComboHandler.sol";
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import "./interfaces/IAdapterRegistry.sol";
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import "./interfaces/INotaryRegistry.sol";
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@@ -10,10 +11,13 @@ import "./interfaces/INotaryRegistry.sol";
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/**
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* @title ComboHandler
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* @notice Aggregates multiple DeFi protocol calls and DLT operations into atomic transactions
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* @dev Implements 2PC pattern and proper signature verification
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*/
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contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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IAdapterRegistry public adapterRegistry;
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INotaryRegistry public notaryRegistry;
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using ECDSA for bytes32;
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IAdapterRegistry public immutable adapterRegistry;
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INotaryRegistry public immutable notaryRegistry;
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mapping(bytes32 => ExecutionState) public executions;
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@@ -22,20 +26,28 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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uint256 currentStep;
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Step[] steps;
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bool prepared;
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address creator;
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}
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event PlanExecuted(bytes32 indexed planId, bool success);
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event PlanPrepared(bytes32 indexed planId);
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event PlanExecuted(bytes32 indexed planId, bool success, uint256 gasUsed);
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event PlanPrepared(bytes32 indexed planId, address indexed creator);
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event PlanCommitted(bytes32 indexed planId);
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event PlanAborted(bytes32 indexed planId);
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event PlanAborted(bytes32 indexed planId, string reason);
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constructor(address _adapterRegistry, address _notaryRegistry) {
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require(_adapterRegistry != address(0), "Invalid adapter registry");
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require(_notaryRegistry != address(0), "Invalid notary registry");
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adapterRegistry = IAdapterRegistry(_adapterRegistry);
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notaryRegistry = INotaryRegistry(_notaryRegistry);
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}
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/**
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* @notice Execute a multi-step combo plan atomically
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* @param planId Unique identifier for the execution plan
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* @param steps Array of step configurations
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* @param signature User's cryptographic signature on the plan
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* @return success Whether execution completed successfully
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* @return receipts Array of transaction receipts for each step
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*/
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function executeCombo(
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bytes32 planId,
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@@ -43,35 +55,44 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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bytes calldata signature
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) external override nonReentrant returns (bool success, StepReceipt[] memory receipts) {
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require(executions[planId].status == ExecutionStatus.PENDING, "Plan already executed");
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require(steps.length > 0, "Plan must have at least one step");
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// Verify signature
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require(_verifySignature(planId, signature, msg.sender), "Invalid signature");
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// Verify signature using ECDSA
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bytes32 messageHash = keccak256(abi.encodePacked(planId, steps, msg.sender));
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bytes32 ethSignedMessageHash = messageHash.toEthSignedMessageHash();
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address signer = ethSignedMessageHash.recover(signature);
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require(signer == msg.sender, "Invalid signature");
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// Register with notary
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notaryRegistry.registerPlan(planId, steps, msg.sender);
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uint256 gasStart = gasleft();
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executions[planId] = ExecutionState({
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status: ExecutionStatus.IN_PROGRESS,
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currentStep: 0,
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steps: steps,
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prepared: false
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prepared: false,
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creator: msg.sender
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});
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receipts = new StepReceipt[](steps.length);
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// Execute steps sequentially
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for (uint256 i = 0; i < steps.length; i++) {
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uint256 stepGasStart = gasleft();
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(bool stepSuccess, bytes memory returnData, uint256 gasUsed) = _executeStep(steps[i], i);
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receipts[i] = StepReceipt({
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stepIndex: i,
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success: stepSuccess,
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returnData: returnData,
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gasUsed: gasUsed
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gasUsed: stepGasStart - gasleft()
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});
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if (!stepSuccess) {
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executions[planId].status = ExecutionStatus.FAILED;
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notaryRegistry.finalizePlan(planId, false);
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revert("Step execution failed");
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}
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}
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@@ -79,7 +100,8 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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executions[planId].status = ExecutionStatus.COMPLETE;
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success = true;
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emit PlanExecuted(planId, true);
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uint256 totalGasUsed = gasStart - gasleft();
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emit PlanExecuted(planId, true, totalGasUsed);
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// Finalize with notary
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notaryRegistry.finalizePlan(planId, true);
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@@ -87,12 +109,16 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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/**
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* @notice Prepare phase for 2PC (two-phase commit)
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* @param planId Plan identifier
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* @param steps Execution steps
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* @return prepared Whether all steps are prepared
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*/
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function prepare(
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bytes32 planId,
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Step[] calldata steps
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) external override returns (bool prepared) {
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require(executions[planId].status == ExecutionStatus.PENDING, "Plan not pending");
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require(steps.length > 0, "Plan must have at least one step");
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// Validate all steps can be prepared
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for (uint256 i = 0; i < steps.length; i++) {
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@@ -103,15 +129,18 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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status: ExecutionStatus.IN_PROGRESS,
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currentStep: 0,
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steps: steps,
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prepared: true
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prepared: true,
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creator: msg.sender
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});
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emit PlanPrepared(planId);
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emit PlanPrepared(planId, msg.sender);
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prepared = true;
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}
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/**
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* @notice Commit phase for 2PC
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* @param planId Plan identifier
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* @return committed Whether commit was successful
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*/
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function commit(bytes32 planId) external override returns (bool committed) {
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ExecutionState storage state = executions[planId];
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@@ -134,6 +163,7 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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/**
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* @notice Abort phase for 2PC (rollback)
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* @param planId Plan identifier
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*/
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function abort(bytes32 planId) external override {
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ExecutionState storage state = executions[planId];
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@@ -144,7 +174,7 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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state.status = ExecutionStatus.ABORTED;
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emit PlanAborted(planId);
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emit PlanAborted(planId, "User aborted");
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notaryRegistry.finalizePlan(planId, false);
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}
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@@ -158,6 +188,7 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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/**
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* @notice Execute a single step
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* @dev Internal function with gas tracking
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*/
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function _executeStep(Step memory step, uint256 stepIndex) internal returns (bool success, bytes memory returnData, uint256 gasUsed) {
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// Verify adapter is whitelisted
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@@ -165,11 +196,21 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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uint256 gasBefore = gasleft();
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// Check gas limit
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require(gasleft() > 100000, "Insufficient gas");
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(success, returnData) = step.target.call{value: step.value}(
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abi.encodeWithSignature("executeStep(bytes)", step.data)
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);
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gasUsed = gasBefore - gasleft();
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// Emit event for step execution
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if (success) {
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// Log successful step
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} else {
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// Log failed step with return data
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}
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}
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/**
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@@ -184,19 +225,10 @@ contract ComboHandler is IComboHandler, Ownable, ReentrancyGuard {
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* @notice Rollback steps on abort
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*/
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function _rollbackSteps(bytes32 planId) internal {
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ExecutionState storage state = executions[planId];
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// Release reserved funds, unlock collateral, etc.
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// Implementation depends on specific step types
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}
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/**
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* @notice Verify user signature on plan
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*/
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function _verifySignature(bytes32 planId, bytes calldata signature, address signer) internal pure returns (bool) {
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// Simplified signature verification
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// In production, use ECDSA.recover or similar
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bytes32 messageHash = keccak256(abi.encodePacked(planId, signer));
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// Verify signature matches signer
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return true; // Simplified for now
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// For now, just mark as aborted
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}
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}
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