Wrap block indexing into a try/catch since we don't use async when calling that function

backend/src/api/blocks.ts

@@ -150,6 +150,7 @@ class Blocks {
       return;
     }
 
+    try {
       let currentBlockHeight = await bitcoinClient.getBlockCount();
       const indexedBlockCount = await blocksRepository.$blockCount();
 
@@ -186,6 +187,9 @@ class Blocks {
 
         currentBlockHeight -= chunkSize;
       }
+    } catch (e) {
+      logger.err('An error occured in $generateBlockDatabase(). Skipping block indexing. ' + e);
+    }
   }
 
   public async $updateBlocks() {