pyrox.dev
1{ config, lib, options, pkgs, ... }:
2
3let
4 cfg = config.services.ergo;
5 opt = options.services.ergo;
6
7 inherit (lib) literalExpression mkEnableOption mkIf mkOption optionalString types;
8
9 configFile = pkgs.writeText "ergo.conf" (''
10ergo {
11 directory = "${cfg.dataDir}"
12 node {
13 mining = false
14 }
15 wallet.secretStorage.secretDir = "${cfg.dataDir}/wallet/keystore"
16}
17
18scorex {
19 network {
20 bindAddress = "${cfg.listen.ip}:${toString cfg.listen.port}"
21 }
22'' + optionalString (cfg.api.keyHash != null) ''
23 restApi {
24 apiKeyHash = "${cfg.api.keyHash}"
25 bindAddress = "${cfg.api.listen.ip}:${toString cfg.api.listen.port}"
26 }
27'' + ''
28}
29'');
30
31in {
32
33 options = {
34
35 services.ergo = {
36 enable = mkEnableOption "Ergo service";
37
38 dataDir = mkOption {
39 type = types.path;
40 default = "/var/lib/ergo";
41 description = "The data directory for the Ergo node.";
42 };
43
44 listen = {
45 ip = mkOption {
46 type = types.str;
47 default = "0.0.0.0";
48 description = "IP address on which the Ergo node should listen.";
49 };
50
51 port = mkOption {
52 type = types.port;
53 default = 9006;
54 description = "Listen port for the Ergo node.";
55 };
56 };
57
58 api = {
59 keyHash = mkOption {
60 type = types.nullOr types.str;
61 default = null;
62 example = "324dcf027dd4a30a932c441f365a25e86b173defa4b8e58948253471b81b72cf";
63 description = "Hex-encoded Blake2b256 hash of an API key as a 64-chars long Base16 string.";
64 };
65
66 listen = {
67 ip = mkOption {
68 type = types.str;
69 default = "0.0.0.0";
70 description = "IP address that the Ergo node API should listen on if {option}`api.keyHash` is defined.";
71 };
72
73 port = mkOption {
74 type = types.port;
75 default = 9052;
76 description = "Listen port for the API endpoint if {option}`api.keyHash` is defined.";
77 };
78 };
79 };
80
81 testnet = mkOption {
82 type = types.bool;
83 default = false;
84 description = "Connect to testnet network instead of the default mainnet.";
85 };
86
87 user = mkOption {
88 type = types.str;
89 default = "ergo";
90 description = "The user as which to run the Ergo node.";
91 };
92
93 group = mkOption {
94 type = types.str;
95 default = cfg.user;
96 defaultText = literalExpression "config.${opt.user}";
97 description = "The group as which to run the Ergo node.";
98 };
99
100 openFirewall = mkOption {
101 type = types.bool;
102 default = false;
103 description = "Open ports in the firewall for the Ergo node as well as the API.";
104 };
105 };
106 };
107
108 config = mkIf cfg.enable {
109
110 systemd.tmpfiles.rules = [
111 "d '${cfg.dataDir}' 0770 '${cfg.user}' '${cfg.group}' - -"
112 ];
113
114 systemd.services.ergo = {
115 description = "ergo server";
116 wantedBy = [ "multi-user.target" ];
117 wants = [ "network-online.target" ];
118 after = [ "network-online.target" ];
119 serviceConfig = {
120 User = cfg.user;
121 Group = cfg.group;
122 ExecStart = ''${pkgs.ergo}/bin/ergo \
123 ${optionalString (!cfg.testnet)
124 "--mainnet"} \
125 -c ${configFile}'';
126 };
127 };
128
129 networking.firewall = mkIf cfg.openFirewall {
130 allowedTCPPorts = [ cfg.listen.port ] ++ [ cfg.api.listen.port ];
131 };
132
133 users.users.${cfg.user} = {
134 name = cfg.user;
135 group = cfg.group;
136 description = "Ergo daemon user";
137 home = cfg.dataDir;
138 isSystemUser = true;
139 };
140
141 users.groups.${cfg.group} = {};
142
143 };
144}