nix-bitcoin/modules/spark-wallet.nix
2020-10-19 14:55:59 +02:00

92 lines
3.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.spark-wallet;
inherit (config) nix-bitcoin-services;
onion-chef-service = (if cfg.onion-service then [ "onion-chef.service" ] else []);
# Use wasabi rate provider because the default (bitstamp) doesn't accept
# connections through Tor
torRateProvider = "--rate-provider wasabi --proxy socks5h://${config.services.tor.client.socksListenAddress}";
startScript = ''
${optionalString cfg.onion-service ''
publicURL="--public-url http://$(cat /var/lib/onion-chef/spark-wallet/spark-wallet)"
''}
exec ${pkgs.nix-bitcoin.spark-wallet}/bin/spark-wallet \
--ln-path '${config.services.clightning.networkDir}' \
--host ${cfg.host} \
--config '${config.nix-bitcoin.secretsDir}/spark-wallet-login' \
${optionalString cfg.enforceTor torRateProvider} \
$publicURL \
--pairing-qr --print-key ${cfg.extraArgs}
'';
in {
options.services.spark-wallet = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, the spark-wallet service will be installed.
'';
};
host = mkOption {
type = types.str;
default = "localhost";
description = "http(s) server listen address.";
};
onion-service = mkOption {
type = types.bool;
default = false;
description = ''
"If enabled, configures spark-wallet to be reachable through an onion service.";
'';
};
extraArgs = mkOption {
type = types.separatedString " ";
default = "";
description = "Extra command line arguments passed to spark-wallet.";
};
enforceTor = nix-bitcoin-services.enforceTor;
};
config = mkIf cfg.enable {
services.clightning.enable = true;
environment.systemPackages = [ pkgs.nix-bitcoin.spark-wallet ];
users.users.spark-wallet = {
description = "spark-wallet User";
group = "spark-wallet";
extraGroups = [ "clightning" ];
};
users.groups.spark-wallet = {};
services.tor.hiddenServices.spark-wallet = mkIf cfg.onion-service {
map = [{
port = 80; toPort = 9737; toHost = cfg.host;
}];
version = 3;
};
services.onion-chef.enable = cfg.onion-service;
services.onion-chef.access.spark-wallet = if cfg.onion-service then [ "spark-wallet" ] else [];
systemd.services.spark-wallet = {
description = "Run spark-wallet";
wantedBy = [ "multi-user.target" ];
requires = [ "clightning.service" ] ++ onion-chef-service;
after = [ "clightning.service" ] ++ onion-chef-service;
script = startScript;
serviceConfig = nix-bitcoin-services.defaultHardening // {
User = "spark-wallet";
Restart = "on-failure";
RestartSec = "10s";
ReadWritePaths = mkIf cfg.onion-service "/var/lib/onion-chef";
} // (if cfg.enforceTor
then nix-bitcoin-services.allowTor
else nix-bitcoin-services.allowAnyIP)
// nix-bitcoin-services.nodejs;
};
nix-bitcoin.secrets.spark-wallet-login.user = "spark-wallet";
};
}