Merge pull request #61 from chaindexing/fix-reading-contract-states-c…

…ontextually

Fix reading contract states contextually

chaindexing/src/contract_states.rs

@@ -130,8 +130,13 @@ pub trait ContractState:
     ) -> Vec<Self> {
         let client = context.raw_query_client;
 
+        let context_chain_id = context.event.chain_id as u64;
+        let context_contract_address = context.event.contract_address.clone();
+
         let raw_query = format!(
-            "SELECT * FROM {table_name} WHERE {filters}",
+            "SELECT * FROM {table_name} 
+            WHERE {filters} 
+            AND chain_id={context_chain_id} AND contract_address='{context_contract_address}'",
             table_name = Self::table_name(),
             filters = to_and_filters(&filters),
         );