storage: rewrite RuntimeEvmVerifiedContractEvents

oasisprotocol · Dec 18, 2024 · a36b2ae · a36b2ae
1 parent a38130e
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diff --git a/.changelog/838.feature.md b/.changelog/838.feature.md
@@ -0,0 +1,4 @@
+Optimize `RuntimeEvmVerifiedContractEvents` query
+
+Optimizes the query by switching DECODE to ENCODE for address comparison 
+to leverage existing indexes on `chain.runtime_events` table.
diff --git a/analyzer/queries/queries.go b/analyzer/queries/queries.go
@@ -1143,7 +1143,7 @@ var (
     JOIN chain.runtime_events as evs ON
       evs.type = 'evm.log' AND
       evs.runtime = abi_contracts.runtime AND
-      decode(body->>'address', 'base64') = preimages.address_data
+      body->>'address' = encode(preimages.address_data, 'base64')
     WHERE
       (evs.abi_parsed_at IS NULL OR evs.abi_parsed_at < abi_contracts.verification_info_downloaded_at)
     LIMIT $2`