diff --git a/Cargo.lock b/Cargo.lock
index 23361f5299d..bacdc29ce4a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -12281,6 +12281,7 @@ dependencies = [
 name = "starknet_committer"
 version = "0.17.0-rc.0"
 dependencies = [
+ "async-trait",
  "csv",
  "ethnum",
  "hex",
diff --git a/crates/starknet_committer/Cargo.toml b/crates/starknet_committer/Cargo.toml
index ce572b00e0b..54761b4c175 100644
--- a/crates/starknet_committer/Cargo.toml
+++ b/crates/starknet_committer/Cargo.toml
@@ -10,6 +10,7 @@ description = "Computes and manages Starknet state."
 testing = ["starknet_patricia/testing"]
 
 [dependencies]
+async-trait.workspace = true
 csv.workspace = true
 ethnum.workspace = true
 hex.workspace = true
diff --git a/crates/starknet_committer/src/db/forest_trait.rs b/crates/starknet_committer/src/db/forest_trait.rs
index b6f55741411..77c6c15d2df 100644
--- a/crates/starknet_committer/src/db/forest_trait.rs
+++ b/crates/starknet_committer/src/db/forest_trait.rs
@@ -1,10 +1,13 @@
 use std::collections::HashMap;
 use std::future::Future;
 
+use async_trait::async_trait;
+use starknet_api::block::BlockNumber;
 use starknet_api::core::ContractAddress;
 use starknet_api::hash::HashOutput;
 use starknet_patricia::patricia_merkle_tree::node_data::leaf::LeafModifications;
 use starknet_patricia::patricia_merkle_tree::types::NodeIndex;
+use starknet_patricia_storage::storage_trait::{DbHashMap, DbKey, DbValue, Storage};
 
 use crate::block_committer::input::{ConfigImpl, StarknetStorageValue};
 use crate::forest::filled_forest::FilledForest;
@@ -13,6 +16,37 @@ use crate::forest::original_skeleton_forest::{ForestSortedIndices, OriginalSkele
 use crate::patricia_merkle_tree::leaf::leaf_impl::ContractState;
 use crate::patricia_merkle_tree::types::CompiledClassHash;
 
+pub enum ForestMetadataType {
+    CommitmentOffset,
+    StateDiffHash(BlockNumber),
+}
+
+#[async_trait]
+pub trait ForestMetadata {
+    /// Returns the db key for the metadata type.
+    fn metadata_key(metadata_type: ForestMetadataType) -> DbKey;
+
+    /// Reads the metadata from the storage.
+    async fn read_metadata(
+        &self,
+        storage: &mut impl Storage,
+        metadata_type: ForestMetadataType,
+    ) -> ForestResult<Option<DbValue>> {
+        let db_key = Self::metadata_key(metadata_type);
+        Ok(storage.get(&db_key).await?)
+    }
+
+    /// Adds the metadata to updates map. Returns the previous value if it existed.
+    fn insert_metadata(
+        updates: &mut DbHashMap,
+        metadata_type: ForestMetadataType,
+        value: DbValue,
+    ) -> Option<DbValue> {
+        let db_key = Self::metadata_key(metadata_type);
+        updates.insert(db_key, value)
+    }
+}
+
 /// Trait for reading an original skeleton forest from some storage.
 /// The implementation may depend on the underlying storage layout.
 pub trait ForestReader<'a> {
diff --git a/crates/starknet_committer/src/forest/forest_errors.rs b/crates/starknet_committer/src/forest/forest_errors.rs
index c4d52b65ef9..11dd1e2f64a 100644
--- a/crates/starknet_committer/src/forest/forest_errors.rs
+++ b/crates/starknet_committer/src/forest/forest_errors.rs
@@ -2,6 +2,7 @@ use starknet_api::core::ContractAddress;
 use starknet_patricia::patricia_merkle_tree::filled_tree::errors::FilledTreeError;
 use starknet_patricia::patricia_merkle_tree::original_skeleton_tree::errors::OriginalSkeletonTreeError;
 use starknet_patricia::patricia_merkle_tree::updated_skeleton_tree::errors::UpdatedSkeletonTreeError;
+use starknet_patricia_storage::storage_trait::PatriciaStorageError;
 use thiserror::Error;
 use tokio::task::JoinError;
 
@@ -12,6 +13,8 @@ pub enum ForestError {
     #[error(transparent)]
     OriginalSkeleton(#[from] OriginalSkeletonTreeError),
     #[error(transparent)]
+    PatriciaStorage(#[from] PatriciaStorageError),
+    #[error(transparent)]
     UpdatedSkeleton(#[from] UpdatedSkeletonTreeError),
     #[error("Couldn't create Classes Trie: {0}")]
     ClassesTrie(#[source] FilledTreeError),