nix-bitcoin/modules/lightning-charge.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.lightning-charge;
inherit (config) nix-bitcoin-services;
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in {
options.services.lightning-charge = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, the lightning-charge service will be installed.
'';
};
clightning-datadir = mkOption {
type = types.str;
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default = "/var/lib/clighting/";
description = ''
Data directory of the clightning service
'';
};
};
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.nix-bitcoin.lightning-charge ];
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systemd.services.lightning-charge = {
description = "Run lightning-charge";
wantedBy = [ "multi-user.target" ];
requires = [ "clightning.service" ];
after = [ "clightning.service" ];
serviceConfig = {
EnvironmentFile = "${config.nix-bitcoin.secretsDir}/lightning-charge-env";
ExecStart = "${pkgs.nix-bitcoin.lightning-charge}/bin/charged -l ${config.services.clightning.dataDir}/bitcoin -d ${config.services.clightning.dataDir}/lightning-charge.db";
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# Unfortunately c-lightning doesn't allow setting the permissions of the rpc socket,
# so this must run as the clightning user
# https://github.com/ElementsProject/lightning/issues/1366
User = "clightning";
Restart = "on-failure";
RestartSec = "10s";
} // nix-bitcoin-services.defaultHardening
// nix-bitcoin-services.nodejs
// nix-bitcoin-services.allowTor;
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};
nix-bitcoin.secrets.lightning-charge-env.user = "clightning";
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};
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}