[QN] fix WG worker missing rewards mappings

kdembler · May 2, 2024 · 383bc06 · 383bc06
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diff --git a/query-node/CHANGELOG.md b/query-node/CHANGELOG.md
@@ -1,3 +1,7 @@
+### Unreleased
+
+- Fix mappings for `workingGroups_NewMissedRewardLevelReached` event to properly handle worker missing rewards updates
+
 ### 2.2.1
 
 - Bump deps @polkadot/api v10.7.1

diff --git a/query-node/mappings/src/workingGroups.ts b/query-node/mappings/src/workingGroups.ts
@@ -865,7 +865,7 @@ export async function workingGroups_NewMissedRewardLevelReached({
   await store.save<NewMissedRewardLevelReachedEvent>(newMissedRewardLevelReachedEvent)
 
   // Update worker
-  worker.missingRewardAmount = newMissedRewardAmountOpt.unwrapOr(undefined)
+  worker.missingRewardAmount = newMissedRewardAmountOpt.unwrapOr(new BN(0))
 
   await store.save<Worker>(worker)
 }