'. Due to copyright, some vendors’ code cannot be made public, and we have removed some of the code from the source code. Therefore this open source code cannot be compiled. However, we can share this part of code under an NDA if you want to fully verify the code and reproduce it.'

#walletscrutiny links to it's own issue about the wallet, where it explains the problem. this issue also links to https://github.com/KeystoneHQ/Keystone-system where keystone writes what I quoted above. nosource seems to be a valid verdict.