{ config, lib, pkgs, ... }: with lib; let cfg = config.services.monero; dataDir = "/var/lib/monero"; listToConf = option: list: concatMapStrings (value: "${option}=${value}\n") list; login = (cfg.rpc.user != null && cfg.rpc.password != null); configFile = with cfg; pkgs.writeText "monero.conf" '' log-file=/dev/stdout data-dir=${dataDir} ${optionalString mining.enable '' start-mining=${mining.address} mining-threads=${toString mining.threads} ''} rpc-bind-ip=${rpc.address} rpc-bind-port=${toString rpc.port} ${optionalString login '' rpc-login=${rpc.user}:${rpc.password} ''} ${optionalString rpc.restricted '' restrict-rpc=1 ''} limit-rate-up=${toString limits.upload} limit-rate-down=${toString limits.download} max-concurrency=${toString limits.threads} block-sync-size=${toString limits.syncSize} ${listToConf "add-peer" extraNodes} ${listToConf "add-priority-node" priorityNodes} ${listToConf "add-exclusive-node" exclusiveNodes} ${extraConfig} ''; in { ###### interface options = { services.monero = { enable = mkEnableOption "Monero node daemon."; mining.enable = mkOption { type = types.bool; default = false; description = '' Whether to mine moneroj. ''; }; mining.address = mkOption { type = types.str; default = ""; description = '' Monero address where to send mining rewards. ''; }; mining.threads = mkOption { type = types.addCheck types.int (x: x>=0); default = 0; description = '' Number of threads used for mining. Set to 0 to use all available. ''; }; rpc.user = mkOption { type = types.nullOr types.str; default = null; description = '' User name for RPC connections. ''; }; rpc.password = mkOption { type = types.str; default = null; description = '' Password for RPC connections. ''; }; rpc.address = mkOption { type = types.str; default = "127.0.0.1"; description = '' IP address the RPC server will bind to. ''; }; rpc.port = mkOption { type = types.int; default = 18081; description = '' Port the RPC server will bind to. ''; }; rpc.restricted = mkOption { type = types.bool; default = false; description = '' Whether to restrict RPC to view only commands. ''; }; limits.upload = mkOption { type = types.addCheck types.int (x: x>=-1); default = -1; description = '' Limit of the upload rate in kB/s. Set to -1 to leave unlimited. ''; }; limits.download = mkOption { type = types.addCheck types.int (x: x>=-1); default = -1; description = '' Limit of the download rate in kB/s. Set to -1 to leave unlimited. ''; }; limits.threads = mkOption { type = types.addCheck types.int (x: x>=0); default = 0; description = '' Maximum number of threads used for a parallel job. Set to 0 to leave unlimited. ''; }; limits.syncSize = mkOption { type = types.addCheck types.int (x: x>=0); default = 0; description = '' Maximum number of blocks to sync at once. Set to 0 for adaptive. ''; }; extraNodes = mkOption { type = types.listOf types.str; default = [ ]; description = '' List of additional peer IP addresses to add to the local list. ''; }; priorityNodes = mkOption { type = types.listOf types.str; default = [ ]; description = '' List of peer IP addresses to connect to and attempt to keep the connection open. ''; }; exclusiveNodes = mkOption { type = types.listOf types.str; default = [ ]; description = '' List of peer IP addresses to connect to *only*. If given the other peer options will be ignored. ''; }; extraConfig = mkOption { type = types.lines; default = ""; description = '' Extra lines to be added verbatim to monerod configuration. ''; }; }; }; ###### implementation config = mkIf cfg.enable { users.extraUsers = singleton { name = "monero"; uid = config.ids.uids.monero; description = "Monero daemon user"; home = dataDir; createHome = true; }; users.extraGroups = singleton { name = "monero"; gid = config.ids.gids.monero; }; systemd.services.monero = { description = "monero daemon"; after = [ "network.target" ]; wantedBy = [ "multi-user.target" ]; serviceConfig = { User = "monero"; Group = "monero"; ExecStart = "${pkgs.monero}/bin/monerod --config-file=${configFile} --non-interactive"; Restart = "always"; SuccessExitStatus = [ 0 1 ]; }; }; assertions = singleton { assertion = cfg.mining.enable -> cfg.mining.address != ""; message = '' You need a Monero address to receive mining rewards: specify one using option monero.mining.address. ''; }; }; }