diff --git a/src/persistence/hoard.rs b/src/persistence/hoard.rs
index 8ca818f4..827012d0 100644
--- a/src/persistence/hoard.rs
+++ b/src/persistence/hoard.rs
@@ -52,6 +52,10 @@ pub enum ConsumeError {
 
     #[from]
     MergeReveal(MergeRevealError),
+
+    /// bundle {1} for contract {0} contains invalid transitioon input map
+    #[display(doc_comments)]
+    InvalidBundle(ContractId, BundleId),
 }
 
 impl From<Infallible> for InventoryError<Infallible> {
diff --git a/src/persistence/inventory.rs b/src/persistence/inventory.rs
index 6df0ac1a..8242c223 100644
--- a/src/persistence/inventory.rs
+++ b/src/persistence/inventory.rs
@@ -355,21 +355,22 @@ pub trait Inventory: Deref<Target = Self::Stash> {
     ///
     /// Must be called before the consignment is created, when witness
     /// transaction is not yet mined.
-    fn consume(&mut self, _fascia: Fascia) -> Result<(), InventoryError<Self::Error>> {
-        todo!();
-        /*
+    fn consume(&mut self, fascia: Fascia) -> Result<(), InventoryError<Self::Error>> {
         let witness_id = fascia.anchor.witness_id();
         unsafe { self.consume_anchor(fascia.anchor)? };
-        for bundle in fascia.bundles {
-            let ids1 = bundle.known_transitions.keys().copied().collect::<BTreeSet<_>>();
+        for (contract_id, bundle) in fascia.bundles {
+            let ids1 = bundle
+                .known_transitions
+                .keys()
+                .copied()
+                .collect::<BTreeSet<_>>();
             let ids2 = bundle.input_map.values().copied().collect::<BTreeSet<_>>();
             if !ids1.is_subset(&ids2) {
-
+                return Err(ConsumeError::InvalidBundle(contract_id, bundle.bundle_id()).into());
             }
-            unsafe { self.consume_bundle(fascia.contract_id, bundle, witness_id)? };
+            unsafe { self.consume_bundle(contract_id, bundle, witness_id)? };
         }
         Ok(())
-         */
     }
 
     #[doc(hidden)]