feat(objectarium): include bucket statistics in bucket information query

contracts/axone-objectarium/src/contract.rs

@@ -315,6 +315,7 @@ pub mod query {
             config: bucket.config.into(),
             limits: bucket.limits.into(),
             pagination: bucket.pagination.into(),
+            stat: bucket.stat.into(),
         })
     }
 

contracts/axone-objectarium/src/msg.rs

@@ -147,6 +147,8 @@ pub struct BucketResponse {
     pub limits: BucketLimits,
     /// The configuration for paginated query.
     pub pagination: PaginationConfig,
+    /// The statistics of the bucket.
+    pub stat: BucketStat,
 }
 
 /// CompressionAlgorithm is an enumeration that defines the different compression algorithms
@@ -351,6 +353,20 @@ impl Default for PaginationConfig {
     }
 }
 
+/// # BucketStat
+///
+/// BucketStat is the type of the statistics of a bucket.
+#[cw_serde]
+#[derive(Default, Builder)]
+pub struct BucketStat {
+    /// The total size of the objects contained in the bucket.
+    pub size: Uint128,
+    /// The total size of the objects contained in the bucket after compression.
+    pub compressed_size: Uint128,
+    /// The number of objects in the bucket.
+    pub object_count: Uint128,
+}
+
 /// # ObjectResponse
 /// ObjectResponse is the response of the Object query.
 #[cw_serde]

contracts/axone-objectarium/src/state.rs

@@ -211,6 +211,15 @@ impl From<BucketLimits> for msg::BucketLimits {
     }
 }
 
+impl From<BucketStat> for msg::BucketStat {
+    fn from(stat: BucketStat) -> Self {
+        msg::BucketStat {
+            size: stat.size,
+            compressed_size: stat.compressed_size,
+            object_count: stat.object_count,
+        }
+    }
+}
 impl BucketLimits {
     fn try_new(
         max_total_size: Option<Uint128>,
@@ -262,7 +271,6 @@ impl TryFrom<msg::BucketLimits> for BucketLimits {
         )
     }
 }
-
 /// Pagination is the type carrying configuration for paginated queries.
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq, JsonSchema)]
 pub struct Pagination {