From a51e769b59bec60556ce1bc317d665843621ef03 Mon Sep 17 00:00:00 2001
From: Rachel Bousfield <nfranks@protonmail.com>
Date: Mon, 29 Apr 2024 23:57:47 -0600
Subject: [PATCH] add extra hash (more powerful than just wasm)

---
 src/state/Deserialize.sol | 3 +++
 src/state/Module.sol      | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/state/Deserialize.sol b/src/state/Deserialize.sol
index 04596a4f..7ff2cfad 100644
--- a/src/state/Deserialize.sol
+++ b/src/state/Deserialize.sol
@@ -232,17 +232,20 @@ library Deserialize {
         ModuleMemory memory mem;
         bytes32 tablesMerkleRoot;
         bytes32 functionsMerkleRoot;
+        bytes32 extraHash;
         uint32 internalsOffset;
         (globalsMerkleRoot, offset) = b32(proof, offset);
         (mem, offset) = moduleMemory(proof, offset);
         (tablesMerkleRoot, offset) = b32(proof, offset);
         (functionsMerkleRoot, offset) = b32(proof, offset);
+        (extraHash, offset) = b32(proof, offset);
         (internalsOffset, offset) = u32(proof, offset);
         mod = Module({
             globalsMerkleRoot: globalsMerkleRoot,
             moduleMemory: mem,
             tablesMerkleRoot: tablesMerkleRoot,
             functionsMerkleRoot: functionsMerkleRoot,
+            extraHash: extraHash,
             internalsOffset: internalsOffset
         });
     }
diff --git a/src/state/Module.sol b/src/state/Module.sol
index dc4776c7..07630067 100644
--- a/src/state/Module.sol
+++ b/src/state/Module.sol
@@ -11,6 +11,7 @@ struct Module {
     ModuleMemory moduleMemory;
     bytes32 tablesMerkleRoot;
     bytes32 functionsMerkleRoot;
+    bytes32 extraHash;
     uint32 internalsOffset;
 }
 
@@ -26,6 +27,7 @@ library ModuleLib {
                     mod.moduleMemory.hash(),
                     mod.tablesMerkleRoot,
                     mod.functionsMerkleRoot,
+                    mod.extraHash,
                     mod.internalsOffset
                 )
             );