SMA-392: Session Keys V2

.gitignore

@@ -24,3 +24,4 @@ deployments/localhost
 typings
 forge-cache
 out
+.env.bak

.solhint.json

@@ -21,7 +21,7 @@
     "code-complexity": ["error", 7],
     "function-max-lines": ["error", 80],
     "max-line-length": ["warn", 120],
-    "max-states-count": ["error", 15],
+    "max-states-count": ["error", 20],
     "no-empty-blocks": "error",
     "no-unused-vars": "error",
     "payable-fallback": "off",

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "solidity.compileUsingRemoteVersion": "v0.8.23+commit.f704f362"
+}

contracts/smart-account/interfaces/modules/SessionKeyManagers/ISessionKeyManagerModuleHybrid.sol

@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+/* solhint-disable no-empty-blocks*/
+
+/**
+ * @title Session Key Manager module for Biconomy Modular Smart Accounts.
+ * @dev Stores the Session Information explicity in the storage, instead of maintainting
+ *      a merkle tree.
+ *      This reduces the amount of calldata required to validate a session key, making it cheaper on
+ *      L2s.
+ *      Allows for a session to be enabled explicity, or being batched with the first usage of said session
+ * @author Ankur Dubey - <[email protected]>
+ */
+interface ISessionKeyManagerModuleHybrid {
+    struct SessionData {
+        uint48 validUntil;
+        uint48 validAfter;
+        address sessionValidationModule;
+        bytes sessionKeyData;
+    }
+
+    event SessionCreated(
+        address indexed sa,
+        bytes32 indexed sessionDataDigest,
+        SessionData data
+    );
+
+    event SessionDisabled(
+        address indexed sa,
+        bytes32 indexed sessionDataDigest
+    );
+
+    /**
+     * @dev creates a session for a smart account
+     * @param sessionData session data
+     */
+    function enableSession(SessionData calldata sessionData) external;
+
+    /**
+     * @notice Explicitly disable a session. Can be useful is situations where a session
+     *         needs to be disabled before it expires.
+     * @param _sessionDigest digest of session key data
+     */
+    function disableSession(bytes32 _sessionDigest) external;
+
+    /**
+     * @notice Returns session data for a given session digest and smart account
+     * @param _sessionDataDigest digest of session key data
+     * @param _sa smart account for which session key is being disabled
+     * @return data SessionData struct
+     */
+    function enabledSessionsData(
+        bytes32 _sessionDataDigest,
+        address _sa
+    ) external view returns (SessionData memory data);
+
+    /**
+     * @dev Returns session data digest
+     * @param _data session data
+     * @return digest of session data
+     */
+    function sessionDataDigest(
+        SessionData calldata _data
+    ) external pure returns (bytes32);
+}

contracts/smart-account/modules/BatchedSessionRouterModule.sol

@@ -5,7 +5,7 @@ pragma solidity ^0.8.23;
 
 import {BaseAuthorizationModule} from "./BaseAuthorizationModule.sol";
 import {ISessionValidationModule} from "../interfaces/modules/ISessionValidationModule.sol";
-import {ISessionKeyManagerModule} from "../interfaces/modules/ISessionKeyManagerModule.sol";
+import {ISessionKeyManagerModule} from "../interfaces/modules/SessionKeyManagers/ISessionKeyManagerModule.sol";
 import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
 import {_packValidationData} from "@account-abstraction/contracts/core/Helpers.sol";
 import {UserOperation} from "@account-abstraction/contracts/interfaces/UserOperation.sol";