99 lines
3.0 KiB
Nix
99 lines
3.0 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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options.services.spark-wallet = {
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enable = mkEnableOption "spark-wallet";
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address = mkOption {
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type = types.str;
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default = "localhost";
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description = "http(s) server address.";
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};
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port = mkOption {
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type = types.port;
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default = 9737;
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description = "http(s) server port.";
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};
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extraArgs = mkOption {
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type = types.separatedString " ";
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default = "";
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description = "Extra command line arguments passed to spark-wallet.";
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};
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getPublicAddressCmd = mkOption {
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type = types.str;
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default = "";
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description = ''
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Bash expression which outputs the public service address.
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If set, spark-wallet prints a QR code to the systemd journal which
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encodes an URL for accessing the web interface.
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'';
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};
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user = mkOption {
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type = types.str;
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default = "spark-wallet";
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description = "The user as which to run spark-wallet.";
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};
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group = mkOption {
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type = types.str;
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default = cfg.user;
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description = "The group as which to run spark-wallet.";
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};
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tor = nbLib.tor;
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};
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cfg = config.services.spark-wallet;
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nbLib = config.nix-bitcoin.lib;
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clightning = config.services.clightning;
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# Use wasabi rate provider because the default (bitstamp) doesn't accept
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# connections through Tor
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torRateProvider = "--rate-provider wasabi --proxy socks5h://${config.nix-bitcoin.torClientAddressWithPort}";
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startScript = ''
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${optionalString (cfg.getPublicAddressCmd != "") ''
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publicURL=(--public-url "http://$(${cfg.getPublicAddressCmd})")
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''}
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exec ${config.nix-bitcoin.pkgs.spark-wallet}/bin/spark-wallet \
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--ln-path '${clightning.networkDir}' \
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--host ${cfg.address} --port ${toString cfg.port} \
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--config '${config.nix-bitcoin.secretsDir}/spark-wallet-login' \
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${optionalString cfg.tor.proxy torRateProvider} \
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${optionalString (cfg.getPublicAddressCmd != "") ''"''${publicURL[@]}"''} \
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--pairing-qr --print-key ${cfg.extraArgs}
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'';
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in {
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inherit options;
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config = mkIf cfg.enable {
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services.clightning.enable = true;
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systemd.services.spark-wallet = {
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wantedBy = [ "multi-user.target" ];
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requires = [ "clightning.service" ];
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after = [ "clightning.service" ];
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script = startScript;
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serviceConfig = nbLib.defaultHardening // {
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User = cfg.user;
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Restart = "on-failure";
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RestartSec = "10s";
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} // nbLib.allowedIPAddresses cfg.tor.enforce
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// nbLib.nodejs;
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};
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users.users.${cfg.user} = {
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isSystemUser = true;
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group = cfg.group;
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extraGroups = [ clightning.group ];
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};
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users.groups.${cfg.group} = {};
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nix-bitcoin.secrets.spark-wallet-login.user = cfg.user;
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nix-bitcoin.generateSecretsCmds.spark-wallet = ''
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makePasswordSecret spark-wallet-password
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if [[ spark-wallet-password -nt spark-wallet-login ]]; then
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echo "login=spark-wallet:$(cat spark-wallet-password)" > spark-wallet-login
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fi
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'';
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};
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}
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