null check for chain data

[worrex]

Description and Motivation

Related Issues

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Checklist:

• I have read Migaloo's contribution guidelines.
• My pull request has a sound title and description (not something vague like Update index.md)
• All existing and new tests are passing.
• I updated/added relevant documentation.
• The code is formatted properly yarn lint.
• The project builds and is able to deploy on Netlify yarn build.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
white-whale-frontend	🔄 Building (Inspect)	Visit Preview	💬 Add feedback	Oct 28, 2024 6:15pm

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