94 lines
2.9 KiB
Nix
94 lines
2.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.lightning-loop;
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inherit (config) nix-bitcoin-services;
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secretsDir = config.nix-bitcoin.secretsDir;
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network = config.services.bitcoind.network;
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configFile = builtins.toFile "loop.conf" ''
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datadir=${cfg.dataDir}
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network=${network}
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logdir=${cfg.dataDir}/logs
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tlscertpath=${secretsDir}/loop-cert
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tlskeypath=${secretsDir}/loop-key
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lnd.host=${config.services.lnd.rpclisten}:${toString config.services.lnd.rpcPort}
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lnd.macaroondir=${config.services.lnd.networkDir}
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lnd.tlspath=${secretsDir}/lnd-cert
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${optionalString (cfg.proxy != null) "server.proxy=${cfg.proxy}"}
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${cfg.extraConfig}
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'';
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in {
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options.services.lightning-loop = {
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enable = mkEnableOption "lightning-loop";
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package = mkOption {
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type = types.package;
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default = pkgs.nix-bitcoin.lightning-loop;
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defaultText = "pkgs.nix-bitcoin.lightning-loop";
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description = "The package providing lightning-loop binaries.";
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};
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/lightning-loop";
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description = "The data directory for lightning-loop.";
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};
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proxy = mkOption {
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type = types.nullOr types.str;
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default = if cfg.enforceTor then config.services.tor.client.socksListenAddress else null;
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description = "host:port of SOCKS5 proxy for connnecting to the loop server.";
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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example = ''
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debuglevel=trace
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'';
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description = "Extra lines appended to the configuration file.";
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};
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cli = mkOption {
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default = pkgs.writeScriptBin "loop" ''
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${cfg.cliExec} ${cfg.package}/bin/loop \
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--macaroonpath '${cfg.dataDir}/${network}/loop.macaroon' \
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--tlscertpath '${secretsDir}/loop-cert' "$@"
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'';
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description = "Binary to connect with the lightning-loop instance.";
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};
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inherit (nix-bitcoin-services) cliExec;
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enforceTor = nix-bitcoin-services.enforceTor;
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};
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config = mkIf cfg.enable {
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services.lnd.enable = true;
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environment.systemPackages = [ cfg.package (hiPrio cfg.cli) ];
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systemd.tmpfiles.rules = [
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"d '${cfg.dataDir}' 0770 lnd lnd - -"
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];
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systemd.services.lightning-loop = {
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wantedBy = [ "multi-user.target" ];
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requires = [ "lnd.service" ];
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after = [ "lnd.service" ];
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serviceConfig = nix-bitcoin-services.defaultHardening // {
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ExecStart = "${cfg.package}/bin/loopd --configfile=${configFile}";
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User = "lnd";
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Restart = "on-failure";
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RestartSec = "10s";
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ReadWritePaths = "${cfg.dataDir}";
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} // (if cfg.enforceTor
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then nix-bitcoin-services.allowTor
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else nix-bitcoin-services.allowAnyIP);
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};
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nix-bitcoin.secrets = {
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loop-key.user = "lnd";
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loop-cert.user = "lnd";
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};
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};
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}
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