{ config, lib, pkgs, ... }: with lib; let cfg = config.services; operatorName = config.nix-bitcoin.operatorName; mkHiddenService = map: { map = [ map ]; version = 3; }; in { imports = [ ../modules.nix ../nodeinfo.nix ../nix-bitcoin-webindex.nix ]; options = { services.clightning.onionport = mkOption { type = types.port; default = 9735; description = "Port on which to listen for tor client connections."; }; services.electrs.onionport = mkOption { type = types.port; default = 50002; description = "Port on which to listen for tor client connections."; }; nix-bitcoin.operatorName = mkOption { type = types.str; default = "operator"; description = "Less-privileged user's name."; }; }; config = { # For backwards compatibility only nix-bitcoin.secretsDir = mkDefault "/secrets"; networking.firewall.enable = true; # Tor services.tor = { enable = true; client.enable = true; # LND uses ControlPort to create onion services controlPort = mkIf cfg.lnd.enable 9051; hiddenServices.sshd = mkHiddenService { port = 22; }; }; # bitcoind services.bitcoind = { enable = true; listen = true; dataDirReadableByGroup = mkIf cfg.electrs.high-memory true; proxy = cfg.tor.client.socksListenAddress; enforceTor = true; port = 8333; assumevalid = "00000000000000000000e5abc3a74fe27dc0ead9c70ea1deb456f11c15fd7bc6"; addnodes = [ "ecoc5q34tmbq54wl.onion" ]; discover = false; addresstype = "bech32"; dbCache = 1000; }; services.tor.hiddenServices.bitcoind = mkHiddenService { port = cfg.bitcoind.port; }; # clightning services.clightning = { bitcoin-rpcuser = cfg.bitcoind.rpcuser; proxy = cfg.tor.client.socksListenAddress; enforceTor = true; always-use-proxy = true; bind-addr = "127.0.0.1:${toString cfg.clightning.onionport}"; }; services.tor.hiddenServices.clightning = mkHiddenService { port = cfg.clightning.onionport; }; # lnd services.lnd.enforceTor = true; # liquidd services.liquidd = { rpcuser = "liquidrpc"; prune = 1000; extraConfig = '' mainchainrpcuser=${cfg.bitcoind.rpcuser} mainchainrpcport=8332 ''; validatepegin = true; listen = true; proxy = cfg.tor.client.socksListenAddress; enforceTor = true; port = 7042; }; services.tor.hiddenServices.liquidd = mkHiddenService { port = cfg.liquidd.port; }; # electrs services.electrs = { port = 50001; enforceTor = true; TLSProxy.enable = true; TLSProxy.port = 50003; }; services.tor.hiddenServices.electrs = mkHiddenService { port = cfg.electrs.onionport; toPort = if cfg.electrs.TLSProxy.enable then cfg.electrs.TLSProxy.port else cfg.electrs.port; }; services.spark-wallet.onion-service = true; services.nix-bitcoin-webindex.enforceTor = true; environment.systemPackages = with pkgs; [ tor jq qrencode ]; # Create operator user which can access the node's services users.users.${operatorName} = { isNormalUser = true; extraGroups = [ "systemd-journal" cfg.bitcoind.group ] ++ (optionals cfg.clightning.enable [ "clightning" ]) ++ (optionals cfg.lnd.enable [ "lnd" ]) ++ (optionals cfg.liquidd.enable [ cfg.liquidd.group ]) ++ (optionals (cfg.hardware-wallets.ledger || cfg.hardware-wallets.trezor) [ cfg.hardware-wallets.group ]); openssh.authorizedKeys.keys = config.users.users.root.openssh.authorizedKeys.keys; }; # Give operator access to onion hostnames services.onion-chef.enable = true; services.onion-chef.access.${operatorName} = [ "bitcoind" "clightning" "nginx" "liquidd" "spark-wallet" "electrs" "sshd" ]; security.sudo.configFile = (optionalString cfg.lnd.enable '' ${operatorName} ALL=(lnd) NOPASSWD: ALL ''); # Enable nixops ssh for operator (`nixops ssh operator@mynode`) on nixops-vbox deployments systemd.services.get-vbox-nixops-client-key = mkIf (builtins.elem ".vbox-nixops-client-key" config.services.openssh.authorizedKeysFiles) { postStart = '' cp "${config.users.users.root.home}/.vbox-nixops-client-key" "${config.users.users.${operatorName}.home}" ''; }; }; }