nix-bitcoin/modules/presets/secure-node.nix

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{ config, lib, pkgs, ... }:
with lib;
let
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cfg = config.services;
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operatorName = config.nix-bitcoin.operator.name;
mkHiddenService = map: {
map = [ map ];
version = 3;
};
in {
imports = [
../modules.nix
../nodeinfo.nix
../nix-bitcoin-webindex.nix
];
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options = {
services.clightning.onionport = mkOption {
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type = types.port;
default = 9735;
description = "Port on which to listen for tor client connections.";
};
services.lnd.onionport = mkOption {
type = types.ints.u16;
default = 9735;
description = "Port on which to listen for tor client connections.";
};
};
config = {
# For backwards compatibility only
nix-bitcoin.secretsDir = mkDefault "/secrets";
networking.firewall.enable = true;
nix-bitcoin.security.hideProcessInformation = true;
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# Tor
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services.tor = {
enable = true;
client.enable = true;
# 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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# bitcoind
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services.bitcoind = {
enable = true;
listen = true;
dataDirReadableByGroup = mkIf cfg.electrs.high-memory true;
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enforceTor = true;
port = 8333;
assumevalid = "00000000000000000000e5abc3a74fe27dc0ead9c70ea1deb456f11c15fd7bc6";
addnodes = [ "ecoc5q34tmbq54wl.onion" ];
discover = false;
addresstype = "bech32";
dbCache = 1000;
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# higher rpcthread count due to reports that lightning implementations fail
# under high bitcoind rpc load
rpcthreads = 16;
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};
services.tor.hiddenServices.bitcoind = mkHiddenService { port = cfg.bitcoind.port; toHost = cfg.bitcoind.bind; };
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# clightning
services.clightning.enforceTor = true;
services.tor.hiddenServices.clightning = mkIf cfg.clightning.enable (mkHiddenService {
port = cfg.clightning.onionport;
toHost = cfg.clightning.bind-addr;
toPort = cfg.clightning.bindport;
});
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# lnd
services.lnd.enforceTor = true;
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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
services.lightning-loop.enforceTor = true;
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# liquidd
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services.liquidd = {
rpcuser = "liquidrpc";
prune = 1000;
validatepegin = true;
listen = true;
enforceTor = true;
port = 7042;
};
services.tor.hiddenServices.liquidd = mkIf cfg.liquidd.enable (mkHiddenService { port = cfg.liquidd.port; toHost = cfg.liquidd.bind; });
# electrs
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services.electrs = {
port = 50001;
enforceTor = true;
};
services.tor.hiddenServices.electrs = mkIf cfg.electrs.enable (mkHiddenService {
port = cfg.electrs.port; toHost = cfg.electrs.address;
});
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# btcpayserver
# disable tor enforcement until btcpayserver can fetch rates over Tor
services.btcpayserver.enforceTor = false;
services.nbxplorer.enforceTor = true;
services.tor.hiddenServices.btcpayserver = mkIf cfg.btcpayserver.enable (mkHiddenService { port = 80; toPort = 23000; toHost = cfg.btcpayserver.bind; });
services.spark-wallet = {
onion-service = true;
enforceTor = true;
};
services.lightning-charge.enforceTor = true;
services.nanopos.enforceTor = true;
services.recurring-donations.enforceTor = true;
services.nix-bitcoin-webindex.enforceTor = true;
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# Backups
services.backups = {
program = "duplicity";
frequency = "daily";
};
environment.systemPackages = with pkgs; [
tor
jq
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qrencode
];
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services.onion-chef = {
enable = true;
access.${operatorName} = [ "bitcoind" "clightning" "nginx" "liquidd" "spark-wallet" "electrs" "btcpayserver" "sshd" ];
};
nix-bitcoin.operator.enable = true;
users.users.${operatorName} = {
openssh.authorizedKeys.keys = config.users.users.root.openssh.authorizedKeys.keys;
};
# 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}"
'';
};
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};
}