Fix median time indexing

backend/src/api/bitcoin/bitcoin-api.ts

@@ -28,6 +28,7 @@ class BitcoinApi implements AbstractBitcoinApi {
       size: block.size,
       weight: block.weight,
       previousblockhash: block.previousblockhash,
+      medianTime: block.mediantime,
     };
   }
 

backend/src/repositories/BlocksRepository.ts

@@ -34,7 +34,7 @@ class BlocksRepository {
         ?, ?, ?, ?,
         ?, ?, ?, ?,
         ?, ?, ?, ?,
-        ?, ?, ?, ?,
+        FROM_UNIXTIME(?), ?, ?, ?,
         ?, ?, ?, ?,
         ?, ?, ?, ?,
         ?, ?, ?, ?,