Distributor when doing checks now always infers real target address from config to accommodate for middlewares such as access manager intermediate contract

Author: peersky

.changeset/thick-poems-remember.md

@@ -0,0 +1,5 @@
+---
+"@peeramid-labs/eds": major
+---
+
+Distributor when doing checks now always infers real target address from config to accommodate for middlewares such as access manager intermediate contract

src/abstracts/Distributor.sol

@@ -73,12 +73,13 @@ abstract contract Distributor is IDistributor, CodeIndexer, ERC165 {
             );
             require(success, string(result));
         }
+        numInstances++;
         uint256 instanceId = numInstances;
         for (uint256 i = 0; i < instances.length; i++) {
             instanceIds[instances[i]] = instanceId;
             distributionOf[instanceId] = distributorsId;
         }
-        emit Instantiated(distributorsId, args, instances);
+        emit Instantiated(distributorsId, instanceId, args, instances);
         return (instances, distributionName, distributionVersion);
     }
 
@@ -91,16 +92,17 @@ abstract contract Distributor is IDistributor, CodeIndexer, ERC165 {
      * it will revert if instanceId belongs to disactivated distribution
      */
     function beforeCall(
-        bytes memory,
+        bytes memory config,
         bytes4,
         address maybeInstance,
         uint256,
         bytes memory
     ) public view virtual returns (bytes memory) {
+        (address target) = abi.decode(config, (address));
         bytes32 distributorsId = distributionOf[getInstanceId(maybeInstance)];
         if (
             distributorsId != bytes32(0) &&
-            getInstanceId(msg.sender) == getInstanceId(maybeInstance) &&
+            getInstanceId(target) == getInstanceId(maybeInstance) &&
             distirbutionsSet.contains(distributorsId) == true
         ) {
             // ToDo: This check could be based on DistributionOf, hence allowing cross-instance calls
@@ -111,15 +113,19 @@ abstract contract Distributor is IDistributor, CodeIndexer, ERC165 {
     }
 
     function afterCall(
-        bytes memory,
+        bytes memory config,
         bytes4,
         address maybeInstance,
         uint256,
         bytes memory,
         bytes memory
     ) public virtual {
+        (address target) = abi.decode(config, (address));
         bytes32 distributorsId = distributionOf[getInstanceId(maybeInstance)];
-        if (getInstanceId(msg.sender) != getInstanceId(maybeInstance) && distirbutionsSet.contains(distributorsId) == true) {
+        if (
+            (getInstanceId(target) != getInstanceId(maybeInstance)) &&
+            distirbutionsSet.contains(distributorsId) == true
+        ) {
             revert InvalidInstance(maybeInstance);
         }
     }

src/interfaces/IDistributor.sol

@@ -10,7 +10,7 @@ interface IDistributor is IERC7746, IERC165 {
     error DistributionExists(bytes32 id);
     error InitializerNotFound(bytes32 id);
     error InvalidInstance(address instance);
-    event Instantiated(bytes32 indexed distributionId, bytes indexed argsHash, address[] instances);
+    event Instantiated(bytes32 indexed distributionId,uint256 indexed instanceId, bytes indexed argsHash, address[] instances);
     event DistributionRemoved(bytes32 indexed id);
 
     event DistributionAdded(bytes32 indexed id, address indexed initializer);

src/managers/SimpleAccessManager.sol

@@ -6,7 +6,6 @@ import {IERC7746} from "../interfaces/IERC7746.sol";
 import {IDistributor} from "../interfaces/IDistributor.sol";
 import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
 import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
-
 contract SimpleAccessManager is Initializable, IERC7746, ERC165 {
     struct MethodSettings {
         bool isDistributionOnly;
@@ -62,7 +61,7 @@ contract SimpleAccessManager is Initializable, IERC7746, ERC165 {
     }
 
     function beforeCall(
-        bytes memory configuration,
+        bytes memory ,
         bytes4 selector,
         address sender,
         uint256 value,
@@ -76,14 +75,14 @@ contract SimpleAccessManager is Initializable, IERC7746, ERC165 {
             revert("SimpleAccessManager: sender is not allowed to call this method");
         } else {
             if (s.methodSettings[selector].isDistributionOnly) {
-                return s.distributor.beforeCall(configuration, selector, sender, value, data);
+                return s.distributor.beforeCall(abi.encode(msg.sender), selector, sender, value, data);
             }
             return "";
         }
     }
 
     function afterCall(
-        bytes memory configuration,
+        bytes memory ,
         bytes4 selector,
         address sender,
         uint256 value,
@@ -95,7 +94,7 @@ contract SimpleAccessManager is Initializable, IERC7746, ERC165 {
             revert("ERC20DistributorsManager: only target can call this function");
         }
         if (s.methodSettings[selector].isDistributionOnly) {
-            s.distributor.afterCall(configuration, selector, sender, value, data,beforeCallResult);
+            s.distributor.afterCall(abi.encode(msg.sender), selector, sender, value, data,beforeCallResult);
         }
     }