fix: recent blocks fix

explorer_service/src/api.rs

@@ -83,6 +83,17 @@ pub async fn get_block_by_id(block_id: BlockId) -> Result<Block, ServerFnError>
         .map_err(|e| ServerFnError::ServerError(format!("RPC error: {}", e)))
 }
 
+/// Get latest block ID
+#[server]
+pub async fn get_latest_block_id() -> Result<BlockId, ServerFnError> {
+    use indexer_service_rpc::RpcClient as _;
+    let client = expect_context::<IndexerRpcClient>();
+    client
+        .get_last_finalized_block_id()
+        .await
+        .map_err(|e| ServerFnError::ServerError(format!("RPC error: {}", e)))
+}
+
 /// Get block by hash
 #[server]
 pub async fn get_block_by_hash(block_hash: HashType) -> Result<Block, ServerFnError> {

explorer_service/src/pages/main_page.rs

@@ -7,6 +7,8 @@ use crate::{
     components::{AccountPreview, BlockPreview, TransactionPreview},
 };
 
+const RECENT_BLOCKS_LIMIT: u64 = 10;
+
 /// Main page component
 #[component]
 pub fn MainPage() -> impl IntoView {
@@ -38,7 +40,21 @@ pub fn MainPage() -> impl IntoView {
     });
 
     // Load recent blocks on mount
-    let recent_blocks_resource = Resource::new(|| (), |_| async { api::get_blocks(0, 10).await });
+    let recent_blocks_resource = Resource::new(
+        || (),
+        |_| async {
+            match api::get_latest_block_id().await {
+                Ok(last_id) => {
+                    api::get_blocks(
+                        std::cmp::max(last_id.saturating_sub(RECENT_BLOCKS_LIMIT) as u32, 1),
+                        RECENT_BLOCKS_LIMIT as u32,
+                    )
+                    .await
+                }
+                Err(err) => Err(err),
+            }
+        },
+    );
 
     // Handle search - update URL parameter
     let on_search = move |ev: SubmitEvent| {