nix-bitcoin/modules/nix-bitcoin.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.nix-bitcoin;
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minimalPackages = with pkgs; [
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tor
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bitcoin
clightning
nodeinfo
jq
];
allPackages = with pkgs; [
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liquidd
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lightning-charge.package
nanopos.package
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spark-wallet.package
electrs
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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 {
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imports = [
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./nix-bitcoin-pkgs.nix
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./bitcoind.nix
./clightning.nix
./lightning-charge.nix
./nanopos.nix
./nix-bitcoin-webindex.nix
./liquid.nix
./spark-wallet.nix
./electrs.nix
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];
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options.services.nix-bitcoin = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
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If enabled, the nix-bitcoin service will be installed.
'';
};
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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;
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# Tor
services.tor.enable = true;
services.tor.client.enable = true;
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# Tor SSH service
services.tor.hiddenServices.sshd = {
map = [{
port = 22;
}];
version = 3;
};
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# 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;
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services.bitcoind.proxy = config.services.tor.client.socksListenAddress;
services.bitcoind.port = 8333;
services.bitcoind.rpcuser = "bitcoinrpc";
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services.bitcoind.extraConfig = ''
assumevalid=0000000000000000000726d186d6298b5054b9a5c49639752294b322a305d240
addnode=ecoc5q34tmbq54wl.onion
discover=0
'';
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services.bitcoind.prune = 0;
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services.bitcoind.dbCache = 1000;
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services.tor.hiddenServices.bitcoind = {
map = [{
port = config.services.bitcoind.port;
}];
version = 3;
};
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# Add bitcoinrpc group
users.groups.bitcoinrpc = {};
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# clightning
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services.clightning = {
enable = true;
bitcoin-rpcuser = config.services.bitcoind.rpcuser;
};
services.clightning.proxy = config.services.tor.client.socksListenAddress;
services.clightning.always-use-proxy = true;
services.clightning.bind-addr = "127.0.0.1:9735";
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services.tor.hiddenServices.clightning = {
map = [{
port = 9375; toPort = 9375;
}];
version = 3;
};
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# Create user operator which can use bitcoin-cli and lightning-cli
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users.users.operator = {
isNormalUser = true;
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extraGroups = [ "clightning" config.services.bitcoind.group ]
++ (if config.services.liquidd.enable then [ config.services.liquidd.group ] else [ ]);
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};
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environment.interactiveShellInit = ''
alias bitcoin-cli='bitcoin-cli -datadir=${config.services.bitcoind.dataDir}'
alias lightning-cli='sudo -u clightning lightning-cli --lightning-dir=${config.services.clightning.dataDir}'
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'' + (if config.services.liquidd.enable then ''
alias liquid-cli='liquid-cli -datadir=${config.services.liquidd.dataDir}'
'' else "");
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# 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}\"";
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user = "root";
type = "oneshot";
};
};
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services.liquidd.enable = cfg.modules == "all";
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services.liquidd.rpcuser = "liquidrpc";
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services.liquidd.prune = 1000;
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services.liquidd.extraConfig = "
mainchainrpcuser=${config.services.bitcoind.rpcuser}
mainchainrpcport=8332
";
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services.lightning-charge.enable = cfg.modules == "all";
services.nanopos.enable = cfg.modules == "all";
services.nix-bitcoin-webindex.enable = cfg.modules == "all";
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services.clightning.autolisten = cfg.modules == "all";
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services.spark-wallet.enable = cfg.modules == "all";
services.tor.hiddenServices.spark-wallet = {
map = [{
port = 80; toPort = 9737;
}];
version = 3;
};
services.electrs.enable = cfg.modules == "all";
services.electrs.high-memory = false;
services.tor.hiddenServices.electrs = {
map = [{
port = 50001; toPort = 50001;
}];
version = 3;
};
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environment.systemPackages = if (cfg.modules == "all") then (minimalPackages ++ allPackages) else minimalPackages;
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};
}