looks like the [railgun audit](https://github.com/abdk-consulting/audits/tree/main/railgun) is outdated compared to https://bafybeiakdhweojvf7zvtp2tr32alzam4yyifbolf7fgrmsshalea7fv55m.ipfs.cf-ipfs.com/docs/Railgun%20Audit%20Report%20-%20ABDK%20July%202021.pdf
