Adding listing info to owned tokens view (#43)

hasura/metadata/databases/minterop/tables/mb_views_nft_owned_tokens.yaml

@@ -54,5 +54,10 @@ select_permissions:
         - starts_at
         - updated_at
         - metadata_content_flag
+        - price
+        - currency
+        - listing_kind
+        - market_id
+        - listing_approval_id
       filter: {}
       allow_aggregations: true

migrations/2022-12-15-141928_owned_tokens_with_listing/down.sql

@@ -0,0 +1,5 @@
+drop view mb_views.nft_owned_tokens;
+create view mb_views.nft_owned_tokens as
+  select * from mb_views.nft_tokens
+  where burned_timestamp is null
+  order by greatest(last_transfer_timestamp, minted_timestamp) desc nulls last;

migrations/2022-12-15-141928_owned_tokens_with_listing/up.sql

@@ -0,0 +1,24 @@
+drop view mb_views.nft_owned_tokens;
+create view mb_views.nft_owned_tokens as
+  select * from (
+    select * from mb_views.nft_tokens
+    where burned_timestamp is null
+    order by greatest(last_transfer_timestamp, minted_timestamp) desc nulls last
+  ) t
+  left join lateral (
+    select
+      price,
+      currency,
+      kind as listing_kind,
+      market_id,
+      approval_id as listing_approval_id
+    from nft_listings l
+    where
+      l.unlisted_at is null and
+      l.accepted_at is null and
+      l.invalidated_at is null and
+      l.nft_contract_id = t.nft_contract_id and
+      l.token_id = t.token_id
+    order by l.price asc
+    limit 1
+  ) l on true;