fix: improve performance on /account/balance for addresses with large transactions count. (quick wins)

Author: Mateusz Czeladka

README.md

@@ -117,3 +117,4 @@ Further adjustments can be made by changing `.env.docker-compose` file. For more
 
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+

yaci-indexer/src/main/resources/db/store/postgresql/V1.0_901_0__rosetta_app_tx_input.sql

@@ -0,0 +1,11 @@
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_indexes
+        WHERE indexname = 'idx_input_tx_out_spent_block'
+        AND tablename = 'tx_input'
+        AND schemaname = current_schema()
+    ) THEN
+        CREATE INDEX idx_input_tx_out_spent_block ON tx_input (tx_hash, output_index, spent_at_block);
+    END IF;
+END $$;

yaci-indexer/src/main/resources/db/store/postgresql/V1.0_902_1__rosetta_app_addres_utxo.sql

@@ -0,0 +1,11 @@
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_indexes
+        WHERE indexname = 'idx_address_utxo_owner_addr_block'
+        AND tablename = 'address_utxo'
+        AND schemaname = current_schema()
+    ) THEN
+        CREATE INDEX idx_address_utxo_owner_addr_block ON address_utxo (owner_addr, block);
+    END IF;
+END $$;