https://github.com/nix-community/NUR is a Nix community project that
aims to make out of tree derivations more easily discoverable and
accessible to Nix users. Converting the nix-bitcoin repo to conform to
that style is a minor change and enhances reusability of its
components. For instance, I could slap on the clightning module more
easily onto my existing bitcoin node without having to redeploy the
whole as nixops driven installation. Having the repo in NUR style
would make that easier.
This is almost equivalent except that with symbolic reference node2nix
consults the NPM registry for package.json information instead of the
package.json in the tgz file. The registry canonicalizes the
"dependencies" attribute in that it adds all "optionalDependencies",
which the npm binary would do for local package.json files, but
node2nix does not.
For spark-wallet optionalDependencies are not listed in the tgz
distributed package.json, hence node2nix misses them. This leads to a
missing qrcode-terminal package and spark-wallet dying when called
with -Q.
Otherwise:
Mar 25 13:33:22 nix-bitcoin systemd[1]: Starting Bitcoin daemon...
Mar 25 13:33:22 nix-bitcoin f3ickn20fqrz5gd0zm7hgm247b9ajdl8-unit-script-bitcoind-pre-start[1883]: chmod: cannot access '/var/lib/bitcoind/blocks': No such fi>
Mar 25 13:33:22 nix-bitcoin systemd[1]: bitcoind.service: Control process exited, code=exited status=1
Mar 25 13:33:22 nix-bitcoin systemd[1]: bitcoind.service: Failed with result 'exit-code'.
The strategy of invoking node2nix inside a derivation (installPhase in
this case) does not work, as under NixOS installations there is no
network traffic allowed during a derivation build. Hence, we move
node2nix outside and rewrite the packaging into the modules.
Also switch to callPackage instead of plain imports. This could
probably be done on all other imported packages inside of
nix-bitcoin-pkgs.nix.
