diff --git a/ng-repo/src/types.rs b/ng-repo/src/types.rs
index 1802841..d18bd44 100644
--- a/ng-repo/src/types.rs
+++ b/ng-repo/src/types.rs
@@ -1885,6 +1885,14 @@ pub enum Transaction {
     V0(TransactionV0),
 }
 
+impl Transaction {
+    pub fn body_type(&self) -> u8 {
+        match self {
+            Self::V0(v0) => v0[0],
+        }
+    }
+}
+
 /// Add a new binary file in a branch
 ///
 /// FILES: the file ObjectRef
@@ -2401,8 +2409,12 @@ impl CommitBodyV0 {
             Self::BranchCapRefresh(_) => CommitType::BranchCapRefresh,
             Self::UpdateBranch(_) => CommitType::UpdateBranch,
             Self::Snapshot(_) => CommitType::Snapshot,
-            Self::AsyncTransaction(_) => CommitType::Transaction,
-            Self::SyncTransaction(_) => CommitType::Transaction,
+            Self::AsyncTransaction(t) | Self::SyncTransaction(t) => match t.body_type() {
+                0 => CommitType::TransactionGraph,
+                1 => CommitType::TransactionDiscrete,
+                2 => CommitType::TransactionBoth,
+                _ => panic!("invalid TransactionBody"),
+            },
             Self::AddFile(_) => CommitType::FileAdd,
             Self::RemoveFile(_) => CommitType::FileRemove,
             Self::Compact(_) => CommitType::Compact,
@@ -2424,7 +2436,9 @@ impl CommitBodyV0 {
 
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
 pub enum CommitType {
-    Transaction,
+    TransactionGraph,
+    TransactionDiscrete,
+    TransactionBoth,
     FileAdd,
     FileRemove,
     Snapshot,
diff --git a/ng-verifier/src/commits/transaction.rs b/ng-verifier/src/commits/transaction.rs
index 0a90e0c..99c2f95 100644
--- a/ng-verifier/src/commits/transaction.rs
+++ b/ng-verifier/src/commits/transaction.rs
@@ -45,8 +45,16 @@ pub enum DiscreteTransaction {
     Automerge(Vec<u8>),
 }
 
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub enum TransactionBodyType {
+    Graph,
+    Discrete,
+    Both,
+}
+
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct TransactionBody {
+    body_type: TransactionBodyType,
     graph: Option<GraphTransaction>,
     discrete: Option<DiscreteTransaction>,
 }
@@ -340,6 +348,7 @@ impl Verifier {
             };
 
             let mut transac = TransactionBody {
+                body_type: TransactionBodyType::Graph,
                 graph: Some(graph_transac),
                 discrete: None,
             };
@@ -556,3 +565,41 @@ impl Verifier {
         }
     }
 }
+
+#[cfg(test)]
+mod test {
+
+    use super::{TransactionBody, TransactionBodyType};
+    use ng_repo::log::*;
+    use serde_bare::to_vec;
+
+    #[test]
+    pub fn test_transaction_body() {
+        let body = TransactionBody {
+            body_type: TransactionBodyType::Graph,
+            graph: None,
+            discrete: None,
+        };
+        let ser = to_vec(&body).unwrap();
+
+        log_debug!("graph {:?}", ser);
+
+        let body = TransactionBody {
+            body_type: TransactionBodyType::Discrete,
+            graph: None,
+            discrete: None,
+        };
+        let ser = to_vec(&body).unwrap();
+
+        log_debug!("discrete {:?}", ser);
+
+        let body = TransactionBody {
+            body_type: TransactionBodyType::Both,
+            graph: None,
+            discrete: None,
+        };
+        let ser = to_vec(&body).unwrap();
+
+        log_debug!("both {:?}", ser);
+    }
+}
diff --git a/ng-verifier/src/request_processor.rs b/ng-verifier/src/request_processor.rs
index 1eae56e..87035af 100644
--- a/ng-verifier/src/request_processor.rs
+++ b/ng-verifier/src/request_processor.rs
@@ -9,7 +9,6 @@
 
 //! Processor for each type of AppRequest
 
-use std::collections::HashMap;
 use std::sync::Arc;
 
 use futures::channel::mpsc;