This enables modules-only usage. The privileged user is needed by bitcoind (cli), the public user is needed by other services.
190 lines
5.5 KiB
Nix
190 lines
5.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services;
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operatorName = config.nix-bitcoin.operatorName;
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mkHiddenService = map: {
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map = [ map ];
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version = 3;
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};
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in {
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imports = [
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../modules.nix
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../nodeinfo.nix
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../nix-bitcoin-webindex.nix
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];
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options = {
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services.clightning.onionport = mkOption {
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type = types.port;
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default = 9735;
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description = "Port on which to listen for tor client connections.";
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};
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services.lnd.onionport = mkOption {
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type = types.ints.u16;
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default = 9735;
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description = "Port on which to listen for tor client connections.";
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};
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nix-bitcoin.operatorName = mkOption {
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type = types.str;
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default = "operator";
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description = "Less-privileged user's name.";
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};
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};
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config = {
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# For backwards compatibility only
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nix-bitcoin.secretsDir = mkDefault "/secrets";
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networking.firewall.enable = true;
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nix-bitcoin.security.hideProcessInformation = true;
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# Tor
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services.tor = {
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enable = true;
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client.enable = true;
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# LND uses ControlPort to create onion services
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controlPort = mkIf cfg.lnd.enable 9051;
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hiddenServices.sshd = mkHiddenService { port = 22; };
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};
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# netns-isolation
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nix-bitcoin.netns-isolation = {
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addressblock = 1;
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};
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# bitcoind
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services.bitcoind = {
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enable = true;
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listen = true;
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dataDirReadableByGroup = mkIf cfg.electrs.high-memory true;
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proxy = cfg.tor.client.socksListenAddress;
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enforceTor = true;
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port = 8333;
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assumevalid = "00000000000000000000e5abc3a74fe27dc0ead9c70ea1deb456f11c15fd7bc6";
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addnodes = [ "ecoc5q34tmbq54wl.onion" ];
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discover = false;
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addresstype = "bech32";
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dbCache = 1000;
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# higher rpcthread count due to reports that lightning implementations fail
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# under high bitcoind rpc load
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rpcthreads = 16;
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};
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services.tor.hiddenServices.bitcoind = mkHiddenService { port = cfg.bitcoind.port; toHost = cfg.bitcoind.bind; };
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# clightning
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services.clightning = {
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proxy = cfg.tor.client.socksListenAddress;
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enforceTor = true;
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always-use-proxy = true;
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};
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services.tor.hiddenServices.clightning = mkIf cfg.clightning.enable (mkHiddenService {
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port = cfg.clightning.onionport;
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toHost = cfg.clightning.bind-addr;
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toPort = cfg.clightning.bindport;
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});
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# lnd
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services.lnd = {
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tor-socks = cfg.tor.client.socksListenAddress;
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enforceTor = true;
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};
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services.tor.hiddenServices.lnd = mkIf cfg.lnd.enable (mkHiddenService { port = cfg.lnd.onionport; toHost = cfg.lnd.listen; toPort = cfg.lnd.listenPort; });
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# lightning-loop
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services.lightning-loop = {
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proxy = cfg.tor.client.socksListenAddress;
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enforceTor = true;
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};
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# liquidd
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services.liquidd = {
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rpcuser = "liquidrpc";
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prune = 1000;
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extraConfig = ''
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mainchainrpcuser=${config.services.bitcoind.rpc.users.public.name}
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mainchainrpcport=8332
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'';
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validatepegin = true;
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listen = true;
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proxy = cfg.tor.client.socksListenAddress;
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enforceTor = true;
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port = 7042;
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};
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services.tor.hiddenServices.liquidd = mkIf cfg.liquidd.enable (mkHiddenService { port = cfg.liquidd.port; toHost = cfg.liquidd.bind; });
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# electrs
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services.electrs = {
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port = 50001;
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enforceTor = true;
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};
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services.tor.hiddenServices.electrs = mkIf cfg.electrs.enable (mkHiddenService {
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port = cfg.electrs.port; toHost = cfg.electrs.address;
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});
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services.spark-wallet = {
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onion-service = true;
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enforceTor = true;
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};
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services.lightning-charge.enforceTor = true;
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services.nanopos.enforceTor = true;
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services.recurring-donations.enforceTor = true;
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services.nix-bitcoin-webindex.enforceTor = true;
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# Backups
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services.backups = {
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program = "duplicity";
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frequency = "daily";
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};
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environment.systemPackages = with pkgs; [
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tor
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jq
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qrencode
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];
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# Create operator user which can access the node's services
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users.users.${operatorName} = {
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isNormalUser = true;
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extraGroups = [
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"systemd-journal"
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"proc" # Enable full /proc access and systemd-status
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cfg.bitcoind.group
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]
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++ (optionals cfg.clightning.enable [ "clightning" ])
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++ (optionals cfg.lnd.enable [ "lnd" ])
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++ (optionals cfg.liquidd.enable [ cfg.liquidd.group ])
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++ (optionals (cfg.hardware-wallets.ledger || cfg.hardware-wallets.trezor)
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[ cfg.hardware-wallets.group ]);
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openssh.authorizedKeys.keys = config.users.users.root.openssh.authorizedKeys.keys;
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};
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nix-bitcoin.netns-isolation.allowedUser = operatorName;
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# Give operator access to onion hostnames
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services.onion-chef.enable = true;
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services.onion-chef.access.${operatorName} = [ "bitcoind" "clightning" "nginx" "liquidd" "spark-wallet" "electrs" "sshd" ];
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security.sudo.configFile =
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(optionalString cfg.lnd.enable ''
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${operatorName} ALL=(lnd) NOPASSWD: ALL
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'');
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# Enable nixops ssh for operator (`nixops ssh operator@mynode`) on nixops-vbox deployments
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systemd.services.get-vbox-nixops-client-key =
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mkIf (builtins.elem ".vbox-nixops-client-key" config.services.openssh.authorizedKeysFiles) {
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postStart = ''
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cp "${config.users.users.root.home}/.vbox-nixops-client-key" "${config.users.users.${operatorName}.home}"
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'';
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};
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};
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}
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