feat: implement batch_get_name_price() fn (#119)

src/azns_registry/lib.rs

@@ -1367,6 +1367,17 @@ mod azns_registry {
             Ok((base_price, premium, discount, referrer_addr))
         }
 
+        #[ink(message)]
+        pub fn batch_get_name_price(
+            &self,
+            input: Vec<(String, AccountId, u8, Option<String>)>,
+        ) -> Vec<Result<(Balance, Balance, Balance, Option<AccountId>)>> {
+            input
+                .into_iter()
+                .map(|item| self.get_name_price(item.0, item.1, item.2, item.3))
+                .collect()
+        }
+
         #[ink(message)]
         pub fn validate_referrer(&self, recipient: AccountId, referrer_name: String) -> bool {
             self.get_address_dict_ref(&referrer_name)
@@ -2796,6 +2807,20 @@ mod tests {
         );
     }
 
+    #[ink::test]
+    fn batch_get_name_price_works() {
+        let contract = get_test_name_service();
+        let inp = vec![
+            ("alice".to_string(), default_accounts().alice, 1, None),
+            ("bob".to_string(), default_accounts().bob, 2, None),
+        ];
+
+        assert_eq!(
+            contract.batch_get_name_price(inp),
+            vec![Ok((1000, 0, 0, None)), Ok((1000, 0, 0, None))]
+        )
+    }
+
     #[ink::test]
     fn referral_system_works() {
         let default_accounts = default_accounts();