142 lines
3.5 KiB
Nix
142 lines
3.5 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.ergo;
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inherit (lib) mkEnableOption mkIf mkOption optionalString types;
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configFile = pkgs.writeText "ergo.conf" (''
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ergo {
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directory = "${cfg.dataDir}"
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node {
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mining = false
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}
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wallet.secretStorage.secretDir = "${cfg.dataDir}/wallet/keystore"
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}
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scorex {
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network {
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bindAddress = "${cfg.listen.ip}:${toString cfg.listen.port}"
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}
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'' + optionalString (cfg.api.keyHash != null) ''
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restApi {
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apiKeyHash = "${cfg.api.keyHash}"
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bindAddress = "${cfg.api.listen.ip}:${toString cfg.api.listen.port}"
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}
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'' + ''
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}
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'');
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in {
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options = {
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services.ergo = {
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enable = mkEnableOption "Ergo service";
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/ergo";
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description = "The data directory for the Ergo node.";
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};
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listen = {
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ip = mkOption {
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type = types.str;
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default = "0.0.0.0";
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description = "IP address on which the Ergo node should listen.";
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};
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port = mkOption {
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type = types.port;
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default = 9006;
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description = "Listen port for the Ergo node.";
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};
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};
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api = {
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keyHash = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "324dcf027dd4a30a932c441f365a25e86b173defa4b8e58948253471b81b72cf";
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description = "Hex-encoded Blake2b256 hash of an API key as a 64-chars long Base16 string.";
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};
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listen = {
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ip = mkOption {
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type = types.str;
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default = "0.0.0.0";
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description = "IP address that the Ergo node API should listen on if <option>api.keyHash</option> is defined.";
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};
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port = mkOption {
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type = types.port;
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default = 9052;
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description = "Listen port for the API endpoint if <option>api.keyHash</option> is defined.";
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};
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};
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};
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testnet = mkOption {
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type = types.bool;
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default = false;
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description = "Connect to testnet network instead of the default mainnet.";
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};
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user = mkOption {
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type = types.str;
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default = "ergo";
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description = "The user as which to run the Ergo node.";
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};
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group = mkOption {
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type = types.str;
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default = cfg.user;
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description = "The group as which to run the Ergo node.";
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};
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = "Open ports in the firewall for the Ergo node as well as the API.";
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.tmpfiles.rules = [
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"d '${cfg.dataDir}' 0770 '${cfg.user}' '${cfg.group}' - -"
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];
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systemd.services.ergo = {
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description = "ergo server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-online.target" ];
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serviceConfig = {
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User = cfg.user;
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Group = cfg.group;
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ExecStart = ''${pkgs.ergo}/bin/ergo \
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${optionalString (!cfg.testnet)
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"--mainnet"} \
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-c ${configFile}'';
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};
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};
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networking.firewall = mkIf cfg.openFirewall {
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allowedTCPPorts = [ cfg.listen.port ] ++ [ cfg.api.listen.port ];
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};
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users.users.${cfg.user} = {
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name = cfg.user;
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group = cfg.group;
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description = "Ergo daemon user";
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home = cfg.dataDir;
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isSystemUser = true;
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};
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users.groups.${cfg.group} = {};
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};
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}
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