AA-382: Emit system-level events for RIP-7560 transactions

contracts/interfaces/IRip7560EntryPoint.sol

@@ -6,4 +6,53 @@ interface IRip7560EntryPoint {
     function sigFailAccount(uint256 validAfter, uint256 validUntil) external;
     function acceptPaymaster(uint256 validAfter, uint256 validUntil, bytes calldata context) external;
     function sigFailPaymaster(uint256 validAfter, uint256 validUntil, bytes calldata context) external;
+
+
+    /***
+     * An event emitted after each successful request.
+     * @param sender        - The account that generates this request.
+     * @param paymaster     - If non-null, the paymaster that pays for this request.
+     * @param deployer      - If non-null, the deployer that creates the sender contract.
+     * @param nonce         - The nonce value from the request.
+     * @param success       - True if the sender transaction succeeded, false if reverted.
+     * @param actualGasCost - Actual amount paid (by account or paymaster) for this UserOperation.
+     * @param actualGasUsed - Total gas used by this UserOperation (including preVerification, creation,
+     *                        validation and execution).
+     */
+
+    event RIP7560TransactionEvent(
+        address indexed sender,
+        address indexed paymaster,
+        address indexed deployer,
+        uint256 nonce,
+        bool success,
+        uint256 actualGasCost,
+        uint256 actualGasUsed
+    );
+
+    /**
+     * An event emitted if the RIP-7560 transaction "executionData" reverted with non-zero length.
+     * @param sender       - The sender of this request.
+     * @param nonce        - The nonce used in the request.
+     * @param revertReason - The return bytes from the reverted "executionData" call.
+     */
+    event RIP7560TransactionRevertReason(
+        address indexed sender,
+        uint256 nonce,
+        bytes revertReason
+    );
+
+    /**
+     * An event emitted if the RIP-7560 transaction Paymaster's "postOp" call reverted with non-zero length.
+     * @param sender       - The sender of this request.
+     * @param paymaster    - The paymaster that pays for this request.
+     * @param nonce        - The nonce used in the request.
+     * @param revertReason - The return bytes from the reverted call to "postOp".
+     */
+    event RIP7560TransactionPostOpRevertReason(
+        address indexed sender,
+        address indexed paymaster,
+        uint256 nonce,
+        bytes revertReason
+    );
 }