nix-bitcoin/modules/nix-bitcoin.nix
Erik Arvstedt 5596bcf4fb
bitcoind: set default rpcuser
We're already setting a default rpcpassword, so we should set an
accompanying rpcuser so that rpc clients like electrs work out of the box.
2020-03-04 18:09:52 +01:00

184 lines
6.3 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.nix-bitcoin;
operatorCopySSH = pkgs.writeText "operator-copy-ssh.sh" ''
mkdir -p ${config.users.users.operator.home}/.ssh
if [ -e "${config.users.users.root.home}/.vbox-nixops-client-key" ]; then
cp ${config.users.users.root.home}/.vbox-nixops-client-key ${config.users.users.operator.home}/.ssh/authorized_keys
fi
if [ -e "/etc/ssh/authorized_keys.d/root" ]; then
cat /etc/ssh/authorized_keys.d/root >> ${config.users.users.operator.home}/.ssh/authorized_keys
fi
chown -R operator ${config.users.users.operator.home}/.ssh
'';
in {
imports = [ ./modules.nix ];
options.services.nix-bitcoin = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, the nix-bitcoin service will be installed.
'';
};
};
config = mkIf cfg.enable {
nix-bitcoin.secretsDir = mkDefault "/secrets";
networking.firewall.enable = true;
# Tor
services.tor.enable = true;
services.tor.client.enable = true;
# LND uses ControlPort to create onion services
services.tor.controlPort = if config.services.lnd.enable then 9051 else null;
# Tor SSH service
services.tor.hiddenServices.sshd = {
map = [{
port = 22;
}];
version = 3;
};
# bitcoind
services.bitcoind.enable = true;
services.bitcoind.listen = true;
services.bitcoind.sysperms = if config.services.electrs.enable then true else null;
services.bitcoind.disablewallet = if config.services.electrs.enable then true else null;
services.bitcoind.proxy = config.services.tor.client.socksListenAddress;
services.bitcoind.enforceTor = true;
services.bitcoind.port = 8333;
services.bitcoind.zmqpubrawblock = "tcp://127.0.0.1:28332";
services.bitcoind.zmqpubrawtx = "tcp://127.0.0.1:28333";
services.bitcoind.assumevalid = "00000000000000000000e5abc3a74fe27dc0ead9c70ea1deb456f11c15fd7bc6";
services.bitcoind.addnodes = [ "ecoc5q34tmbq54wl.onion" ];
services.bitcoind.discover = false;
services.bitcoind.addresstype = "bech32";
services.bitcoind.prune = 0;
services.bitcoind.dbCache = 1000;
services.tor.hiddenServices.bitcoind = {
map = [{
port = config.services.bitcoind.port;
}];
version = 3;
};
# clightning
services.clightning.bitcoin-rpcuser = config.services.bitcoind.rpcuser;
services.clightning.proxy = config.services.tor.client.socksListenAddress;
services.clightning.enforceTor = true;
services.clightning.always-use-proxy = true;
services.clightning.bind-addr = "127.0.0.1:9735";
services.tor.hiddenServices.clightning = {
map = [{
port = 9735; toPort = 9735;
}];
version = 3;
};
# lnd
services.lnd.enforceTor = true;
# Create user operator which can use bitcoin-cli and lightning-cli
users.users.operator = {
isNormalUser = true;
extraGroups = [ config.services.bitcoind.group ]
++ (if config.services.clightning.enable then [ "clightning" ] else [ ])
++ (if config.services.lnd.enable then [ "lnd" ] else [ ])
++ (if config.services.liquidd.enable then [ config.services.liquidd.group ] else [ ])
++ (if (config.services.hardware-wallets.ledger || config.services.hardware-wallets.trezor)
then [ config.services.hardware-wallets.group ] else [ ]);
};
# Give operator access to onion hostnames
services.onion-chef.enable = true;
services.onion-chef.access.operator = [ "bitcoind" "clightning" "nginx" "liquidd" "spark-wallet" "electrs" "sshd" ];
# Unfortunately c-lightning doesn't allow setting the permissions of the rpc socket
# https://github.com/ElementsProject/lightning/issues/1366
security.sudo.configFile =
(optionalString config.services.clightning.enable ''
operator ALL=(clightning) NOPASSWD: ALL
'') +
(optionalString config.services.lnd.enable ''
operator ALL=(lnd) NOPASSWD: ALL
'');
# Give root ssh access to the operator account
systemd.services.copy-root-authorized-keys = {
description = "Copy root authorized keys";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.bash}/bin/bash \"${operatorCopySSH}\"";
user = "root";
type = "oneshot";
};
};
services.nix-bitcoin-webindex.enforceTor = true;
services.liquidd.rpcuser = "liquidrpc";
services.liquidd.prune = 1000;
services.liquidd.extraConfig = "
mainchainrpcuser=${config.services.bitcoind.rpcuser}
mainchainrpcport=8332
";
services.liquidd.validatepegin = true;
services.liquidd.listen = true;
services.liquidd.proxy = config.services.tor.client.socksListenAddress;
services.liquidd.enforceTor = true;
services.liquidd.port = 7042;
services.tor.hiddenServices.liquidd = {
map = [{
port = config.services.liquidd.port; toPort = config.services.liquidd.port;
}];
version = 3;
};
services.spark-wallet.onion-service = true;
services.electrs.port = 50001;
services.electrs.enforceTor = true;
services.electrs.onionport = 50002;
services.electrs.TLSProxy.enable = true;
services.electrs.TLSProxy.port = 50003;
services.tor.hiddenServices.electrs = {
map = [{
port = config.services.electrs.onionport; toPort = config.services.electrs.TLSProxy.port;
}];
version = 3;
};
environment.systemPackages = with pkgs; with nix-bitcoin; let
s = config.services;
in
[
tor
bitcoind
(hiPrio s.bitcoind.cli)
nodeinfo
jq
qrencode
]
++ optionals s.clightning.enable [clightning (hiPrio s.clightning.cli)]
++ optionals s.lnd.enable [lnd (hiPrio s.lnd.cli)]
++ optionals s.lightning-charge.enable [lightning-charge]
++ optionals s.nanopos.enable [nanopos]
++ optionals s.nix-bitcoin-webindex.enable [nginx]
++ optionals s.liquidd.enable [elementsd (hiPrio s.liquidd.cli) (hiPrio s.liquidd.swap-cli)]
++ optionals s.spark-wallet.enable [spark-wallet]
++ optionals s.electrs.enable [electrs]
++ optionals (s.hardware-wallets.ledger || s.hardware-wallets.trezor) [
hwi
# To allow debugging issues with lsusb
usbutils
]
++ optionals s.hardware-wallets.trezor [
python3.pkgs.trezor
];
};
}