running bitcoin

configuration.nix

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+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./modules/default.nix
+    ];
+
+  networking.hostName = "nix-bitcoin"; # Define your hostname.
+  time.timeZone = "UTC";
+
+  environment.systemPackages = with pkgs; [
+     wget vim tmux bitcoin git nginx
+  ];
+
+  services.openssh.enable = true;
+
+#  users.users.root = {
+#     openssh.authorizedKeys.keys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILacgZRwLsiICNHGHY2TG2APeuxFsrw6Cg13ZTMQpNqA nickler@rick" ];
+#  };
+
+
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  networking.firewall.enable = true;
+
+  services.bitcoin.enable = true;
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Select internationalisation properties.
+  # i18n = {
+  #   consoleFont = "Lat2-Terminus16";
+  #   consoleKeyMap = "us";
+  #   defaultLocale = "en_US.UTF-8";
+  # };
+
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = { enable = true; enableSSHSupport = true; };
+
+  # List services that you want to enable:
+
+
+  # Open ports in the firewall.
+  # Or disable the firewall altogether.
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  # users.users.guest = {
+  #   isNormalUser = true;
+  #   uid = 1000;
+  # };
+
+  # This value determines the NixOS release with which your system is to be
+  # compatible, in order to avoid breaking some software such as database
+  # servers. You should change this only after NixOS release notes say you
+  # should.
+  system.stateVersion = "18.09"; # Did you read the comment?
+
+}

modules/default.nix

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+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.bitcoin;
+  datadir = "/var/lib/bitcoin";
+in {
+  options.services.bitcoin = {
+    enable = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        If enabled, the bitcoin service will be installed.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    users.users.bitcoin =
+      {
+        description = "Tor Daemon User";
+        createHome  = true;
+        home        = datadir;
+    };
+    systemd.services.bitcoind =
+      { description = "Run bitcoind";
+        path  = [ pkgs.bitcoin ];
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig =
+          { ExecStart = "${pkgs.bitcoin}/bin/bitcoind -datadir=${datadir}";
+            User = "bitcoin";
+          };
+      };
+  };
+}

network-vbox.nix

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+{
+  bitcoin-node =
+    { config, pkgs, ... }:
+    { deployment.targetEnv = "virtualbox";
+      deployment.virtualbox.memorySize = 2048; # megabytes
+      deployment.virtualbox.vcpu = 2; # number of cpus
+      deployment.virtualbox.headless = true;
+    };
+}

network.nix

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+{
+  network.description = "Bitcoin Core node";
+
+  bitcoin-node = import ./configuration.nix;
+}