N8n Community Nodes External Libraries

Questions
1

Describe the problem/error/question

I am building a community node, and it works great. However, it includes a custom webhook trigger. Our system provides an ED-25519 signature in the webhook payload, which you can use with your public key (configured as a parameter) to verify the origin and authenticity of the origin. The problem is that I don’t want to have to write my own ED-25519 implementation, if possible. We use the @noble/ed25519 library and @noble/hashes libraries in our own SDK and examples. However, the community node guidelines state that we can not include extra dependencies.

I can take the code I need from @noble and include it in my repo, but I’m not sure how deep that goes. What options do we have for this?

2

I should have dug a little deeper, it turns out the noble library is very small and only a single file with no dependencies, so I just copied it into my node and won’t need an extra dependency. However, this may come up in the future, as we’re doing a lot of crypto, and libraries like ethers.js end up being really helpful just for doing validation inside the field descriptions.

3

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