Add Supernova Support

[wyattbenno777]

I would like to help add Supernova if not done already. Are you guys planning on adding it?? @srinathsetty

[huitseeker]

This looks like a duplicate of #120 .

[wyattbenno777]

People keep asking for this 👇

I started an implmentation in a fork.
There is a lot of code simply reused and tweaked from Nova.
R1CS is first but I am following closely on the PSE CCS implementation.

https://github.com/wyattbenno777/SuperNova/tree/supernova

Let me know if someone is also doing this! 🙏

• Modelling Runnng Instances
• Added U_i, pci and hash(pci, Ui, zi) as public outputs.
• 4.4 Optimizations from the paper for representing U_i
• Clean up and rebase with the main Nova branch

[srinathsetty]

Closing this issue since there is a pending PR on this topic.