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Fix zero finalized header in lightclient update gen #5121

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Merged
wemeetagain merged 1 commit into from
Feb 9, 2023
Merged

Fix zero finalized header in lightclient update gen #5121

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3 changes: 2 additions & 1 deletion packages/beacon-node/src/chain/lightClient/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,8 @@ export class LightClientServer {
this.logger = logger;

this.zero = {
finalizedHeader: ssz.altair.LightClientHeader.defaultValue(),
// Assign the hightest fork's default value because it can always be typecasted down to correct fork
finalizedHeader: Object.values(ssz.allForksLightClient).slice(-1)[0].LightClientHeader.defaultValue(),
finalityBranch: ssz.altair.LightClientUpdate.fields["finalityBranch"].defaultValue(),
};

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