add SetInitialVersion

store/commitment/iavl/tree.go

@@ -75,6 +75,12 @@ func (t *IavlTree) GetLatestVersion() uint64 {
 	return uint64(t.tree.Version())
 }
 
+// SetInitialVersion sets the initial version of the database.
+func (t *IavlTree) SetInitialVersion(version uint64) error {
+	t.tree.SetInitialVersion(version)
+	return nil
+}
+
 // Prune prunes all versions up to and including the provided version.
 func (t *IavlTree) Prune(version uint64) error {
 	return t.tree.DeleteVersionsTo(int64(version))

store/commitment/store.go

@@ -116,6 +116,16 @@ func (c *CommitStore) Commit() ([]store.StoreInfo, error) {
 	return storeInfos, nil
 }
 
+func (c *CommitStore) SetInitialVersion(version uint64) error {
+	for _, tree := range c.multiTrees {
+		if err := tree.SetInitialVersion(version); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
 func (c *CommitStore) GetProof(storeKey string, version uint64, key []byte) (*ics23.CommitmentProof, error) {
 	tree, ok := c.multiTrees[storeKey]
 	if !ok {

store/commitment/tree.go

@@ -20,6 +20,7 @@ type Tree interface {
 	WorkingHash() []byte
 	LoadVersion(version uint64) error
 	Commit() ([]byte, error)
+	SetInitialVersion(version uint64) error
 	GetProof(version uint64, key []byte) (*ics23.CommitmentProof, error)
 	Prune(version uint64) error
 	Export(version uint64) (Exporter, error)

store/database.go

@@ -72,6 +72,7 @@ type Committer interface {
 	GetLatestVersion() (uint64, error)
 	LoadVersion(targetVersion uint64) error
 	Commit() ([]StoreInfo, error)
+	SetInitialVersion(version uint64) error
 	GetProof(storeKey string, version uint64, key []byte) (*ics23.CommitmentProof, error)
 
 	// Prune attempts to prune all versions up to and including the provided

store/root/store.go

@@ -116,11 +116,7 @@ func (s *Store) SetMetrics(m metrics.Metrics) {
 func (s *Store) SetInitialVersion(v uint64) error {
 	s.initialVersion = v
 
-	// TODO(bez): Call SetInitialVersion on s.stateCommitment.
-	//
-	// Ref: https://github.com/cosmos/cosmos-sdk/issues/18597
-
-	return nil
+	return s.stateCommitment.SetInitialVersion(v)
 }
 
 // GetSCStore returns the store's state commitment (SC) backend.