feat!: execute delegatecall vouchers

cartesi · Apr 9, 2024 · 8e958f2 · 8e958f2
1 parent 54347db
commit 8e958f2
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diff --git a/.changeset/thirty-crews-fail.md b/.changeset/thirty-crews-fail.md
@@ -0,0 +1,5 @@
+---
+"@cartesi/rollups": minor
+---
+
+Supported the execution of `DELEGATECALL` vouchers
diff --git a/contracts/dapp/Application.sol b/contracts/dapp/Application.sol
@@ -103,6 +103,11 @@ contract Application is
                 revert OutputNotReexecutable(output);
             }
             _executeVoucher(arguments);
+        } else if (selector == Outputs.DelegateCallVoucher.selector) {
+            if (bitmap.get(inputIndex)) {
+                revert OutputNotReexecutable(output);
+            }
+            _executeDelegateCallVoucher(arguments);
         } else {
             revert OutputNotExecutable(output);
         }
@@ -205,4 +210,22 @@ contract Application is
             returndata.raise();
         }
     }
+
+    /// @notice Executes a delegatecall voucher
+    /// @param arguments ABI-encoded arguments
+    function _executeDelegateCallVoucher(bytes calldata arguments) internal {
+        address destination;
+        bytes memory payload;
+
+        (destination, payload) = abi.decode(arguments, (address, bytes));
+
+        bool success;
+        bytes memory returndata;
+
+        (success, returndata) = destination.delegatecall(payload);
+
+        if (!success) {
+            returndata.raise();
+        }
+    }
 }