fix database to support multiple tokens in the same tx

Author: OBorce

api-server/CHANGELOG.md

@@ -8,7 +8,8 @@ The format is loosely based on [Keep a Changelog](https://keepachangelog.com/en/
 
 ### Added
 - New endpoint was added: `/v2/transaction/{id}/output/{idx}`.
-- New endpoint was added: `/v2/token/{id}/transactions` will return all transactions related to a token
+- New endpoint was added: `/v2/token/{id}/transactions` will return all transactions related to a token.\
+  Pagination works like the new absolute mode in `/v2/transaction`, using `offset` and `items`.
 
 ### Changed
 - `/v2/token/ticker/{ticker}` will now return all tokens whose ticker has the specified `{ticker}`

api-server/api-server-common/src/storage/impls/mod.rs

@@ -13,7 +13,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-pub const CURRENT_STORAGE_VERSION: u32 = 24;
+pub const CURRENT_STORAGE_VERSION: u32 = 25;
 
 pub mod in_memory;
 pub mod postgres;

api-server/api-server-common/src/storage/impls/postgres/queries.rs

@@ -823,11 +823,11 @@ impl<'a, 'b> QueryFromConnection<'a, 'b> {
 
         self.just_execute(
             "CREATE TABLE ml.token_transactions (
-                    tx_global_index bigint PRIMARY KEY,
+                    tx_global_index bigint,
                     token_id bytea NOT NULL,
                     block_height bigint NOT NULL,
                     transaction_id bytea NOT NULL,
-                    UNIQUE (token_id, transaction_id, block_height)
+                    PRIMARY KEY (token_id, transaction_id, block_height)
                 );",
         )
         .await?;

api-server/storage-test-suite/src/basic.rs

@@ -962,6 +962,21 @@ where
                 .unwrap();
         }
 
+        // make sure we can have two tokens in the same transaction
+        {
+            let random_token_id2 = TokenId::random_using(&mut rng);
+            let tx = token_transactions.first().unwrap();
+            db_tx
+                .set_token_transaction_at_height(
+                    random_token_id2,
+                    tx.tx_id,
+                    block_height,
+                    tx.tx_global_index,
+                )
+                .await
+                .unwrap();
+        }
+
         let len = 5;
         let global_idx = 10;
         let token_txs =