make the api data safe

ChainSafe · Jun 20, 2024 · fea2bb6 · fea2bb6
1 parent cfc3f69
commit fea2bb6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/api/src/beacon/routes/validator.ts b/packages/api/src/beacon/routes/validator.ts
@@ -879,7 +879,7 @@ export function getDefinitions(config: ChainForkConfig): RouteDefinitions<Endpoi
       method: "POST",
       req: {
         writeReqJson: ({signedAggregateAndProofs}) => {
-          const fork = config.getForkName(signedAggregateAndProofs[0].message.aggregate.data.slot);
+          const fork = config.getForkName(signedAggregateAndProofs[0]?.message.aggregate.data.slot ?? 0);
           return {
             body:
               ForkSeq[fork] >= ForkSeq.electra
@@ -911,7 +911,7 @@ export function getDefinitions(config: ChainForkConfig): RouteDefinitions<Endpoi
           };
         },
         writeReqSsz: ({signedAggregateAndProofs}) => {
-          const fork = config.getForkName(signedAggregateAndProofs[0].message.aggregate.data.slot);
+          const fork = config.getForkName(signedAggregateAndProofs[0]?.message.aggregate.data.slot ?? 0);
           return {
             body:
               ForkSeq[fork] >= ForkSeq.electra