Merge pull request #5 from AIBlockOfficial/v0.1.4

Bugfix for data fetch in MongoDB; Bump to v0.1.4

Author: BHouwens

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "valence_core"
-version = "0.1.3"
+version = "0.1.4"
 edition = "2021"
 license = "MIT"
 keywords = ["blockchain", "L2", "peer-to-peer", "P2P"]

src/db/mongo_db.rs

@@ -91,8 +91,12 @@ impl KvStoreConnection for MongoDbConn {
         let existing_doc = collection.find_one(filter.clone(), None).await?;
 
         let mut vec: Vec<T> = if let Some(doc) = existing_doc {
-            // Deserialize the existing data
-            mongodb::bson::from_bson(doc.get("data").unwrap().clone())?
+            if doc.contains_key("data") {
+                // Deserialize the existing data
+                mongodb::bson::from_bson(doc.get("data").unwrap().clone())?
+            } else {
+                Vec::new()
+            }
         } else {
             Vec::new()
         };