nix-bitcoin/modules/nix-bitcoin.nix
2019-01-13 20:21:40 +00:00

163 lines
4.8 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.nix-bitcoin;
minimalPackages = with pkgs; [
tor
bitcoin
clightning
nodeinfo
jq
];
allPackages = with pkgs; [
liquidd
lightning-charge.package
nanopos.package
spark-wallet.package
# TODO: re-enable when fixed
#electrs
nodejs-8_x
nginx
];
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 ${config.users.users.operator.home}/.ssh
'';
in {
imports = [
./bitcoind.nix
./clightning.nix
./lightning-charge.nix
./nanopos.nix
./nix-bitcoin-webindex.nix
./liquid.nix
./spark-wallet.nix
./electrs.nix
];
options.services.nix-bitcoin = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, the nix-bitcoin service will be installed.
'';
};
modules = mkOption {
type = types.enum [ "minimal" "all" ];
default = "minimal";
description = ''
If enabled, the nix-bitcoin service will be installed.
'';
};
};
config = mkIf cfg.enable {
networking.firewall.enable = true;
# Tor
services.tor.enable = true;
services.tor.client.enable = true;
# Tor SSH service
services.tor.hiddenServices.sshd = {
map = [{
port = 22;
}];
version = 3;
};
# bitcoind
services.bitcoind.enable = true;
services.bitcoind.listen = true;
services.bitcoind.proxy = config.services.tor.client.socksListenAddress;
services.bitcoind.port = 8333;
services.bitcoind.rpcuser = "bitcoinrpc";
services.bitcoind.extraConfig = ''
assumevalid=0000000000000000000726d186d6298b5054b9a5c49639752294b322a305d240
addnode=ecoc5q34tmbq54wl.onion
discover=0
'';
services.bitcoind.prune = if (cfg.modules == "minimal") then 2000 else 0;
services.bitcoind.dbCache = 1000;
services.tor.hiddenServices.bitcoind = {
map = [{
port = config.services.bitcoind.port;
}];
version = 3;
};
# Add bitcoinrpc group
users.groups.bitcoinrpc = {};
# clightning
services.clightning = {
enable = true;
bitcoin-rpcuser = config.services.bitcoind.rpcuser;
};
services.tor.hiddenServices.clightning = {
map = [{
port = 9375; toPort = 9375;
}];
version = 3;
};
# Create user operator which can use bitcoin-cli and lightning-cli
users.users.operator = {
isNormalUser = true;
extraGroups = [ "clightning" config.services.bitcoind.group ]
++ (if config.services.liquidd.enable then [ config.services.liquidd.group ] else [ ]);
};
environment.interactiveShellInit = ''
alias bitcoin-cli='bitcoin-cli -datadir=${config.services.bitcoind.dataDir}'
alias lightning-cli='sudo -u clightning lightning-cli --lightning-dir=${config.services.clightning.dataDir}'
'' + (if config.services.liquidd.enable then ''
alias liquid-cli='liquid-cli -datadir=${config.services.liquidd.dataDir}'
'' else "");
# Unfortunately c-lightning doesn't allow setting the permissions of the rpc socket
# https://github.com/ElementsProject/lightning/issues/1366
security.sudo.configFile = ''
operator ALL=(clightning) 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.liquidd.enable = cfg.modules == "all";
services.liquidd.rpcuser = "liquidrpc";
services.liquidd.prune = 1000;
services.lightning-charge.enable = cfg.modules == "all";
services.nanopos.enable = cfg.modules == "all";
services.nix-bitcoin-webindex.enable = cfg.modules == "all";
services.clightning.autolisten = cfg.modules == "all";
services.spark-wallet.enable = cfg.modules == "all";
# TODO: re-enable when fixed
services.electrs.enable = false;
services.tor.hiddenServices.spark-wallet = {
map = [{
port = 80; toPort = 9737;
}];
version = 3;
};
environment.systemPackages = if (cfg.modules == "all") then (minimalPackages ++ allPackages) else minimalPackages;
};
}