103 lines
2.9 KiB
Nix
103 lines
2.9 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.jormungandr;
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inherit (lib) mkEnableOption mkIf mkOption;
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inherit (lib) optionalString types;
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dataDir = "/var/lib/jormungandr";
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# Default settings so far, as the service matures we will
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# move these out as separate settings
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configSettings = {
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storage = dataDir;
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p2p = {
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public_address = "/ip4/127.0.0.1/tcp/8299";
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topics_of_interest = {
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messages = "high";
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blocks = "high";
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};
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};
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rest = {
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listen = "127.0.0.1:8607";
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};
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};
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configFile = if cfg.configFile == null then
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pkgs.writeText "jormungandr.yaml" (builtins.toJSON configSettings)
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else cfg.configFile;
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in {
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options = {
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services.jormungandr = {
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enable = mkEnableOption "jormungandr service";
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configFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/var/lib/jormungandr/node.yaml";
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description = ''
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The path of the jormungandr blockchain configuration file in YAML format.
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If no file is specified, a file is generated using the other options.
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'';
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};
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secretFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/etc/secret/jormungandr.yaml";
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description = ''
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The path of the jormungandr blockchain secret node configuration file in
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YAML format. Do not store this in nix store!
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'';
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};
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genesisBlockHash = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "d70495af81ae8600aca3e642b2427327cb6001ec4d7a0037e96a00dabed163f9";
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description = ''
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Set the genesis block hash (the hash of the block0) so we can retrieve
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the genesis block (and the blockchain configuration) from the existing
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storage or from the network.
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'';
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};
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genesisBlockFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/var/lib/jormungandr/block-0.bin";
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description = ''
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The path of the genesis block file if we are hosting it locally.
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'';
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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.services.jormungandr = {
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description = "jormungandr server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-online.target" ];
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environment = {
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RUST_BACKTRACE = "full";
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};
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serviceConfig = {
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DynamicUser = true;
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StateDirectory = baseNameOf dataDir;
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ExecStart = ''
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${pkgs.jormungandr}/bin/jormungandr --config ${configFile} \
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${optionalString (cfg.secretFile != null) " --secret ${cfg.secretFile}"} \
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${optionalString (cfg.genesisBlockHash != null) " --genesis-block-hash ${cfg.genesisBlockHash}"} \
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${optionalString (cfg.genesisBlockFile != null) " --genesis-block ${cfg.genesisBlockFile}"}
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'';
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};
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};
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};
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}
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