From 1c7d449c6f091d6dd27088e8ae30c5b1e18be9e2 Mon Sep 17 00:00:00 2001
From: Jake Hillion <jake@hillion.co.uk>
Date: Thu, 11 May 2023 21:12:57 +0100
Subject: [PATCH] chia: create service and start syncing

---
 .../default.nix                               |  14 +++
 modules/chia.nix                              |  81 ++++++++++++++++++
 modules/default.nix                           |   1 +
 secrets/chia/farmer.key.age                   | Bin 0 -> 1190 bytes
 secrets/secrets.nix                           |   3 +
 5 files changed, 99 insertions(+)
 create mode 100644 modules/chia.nix
 create mode 100644 secrets/chia/farmer.key.age

diff --git a/hosts/tywin.storage.ts.hillion.co.uk/default.nix b/hosts/tywin.storage.ts.hillion.co.uk/default.nix
index 4e7d02e..8eb3809 100644
--- a/hosts/tywin.storage.ts.hillion.co.uk/default.nix
+++ b/hosts/tywin.storage.ts.hillion.co.uk/default.nix
@@ -56,5 +56,19 @@
         };
       in
       builtins.map (mkFolder) folderNames;
+
+    ## Chia
+    age.secrets."chia/farmer.key" = {
+      file = ../../secrets/chia/farmer.key.age;
+      owner = "chia";
+      group = "chia";
+    };
+    custom.chia = {
+      enable = true;
+      path = "/data/chia";
+      keyFile = config.age.secrets."chia/farmer.key".path;
+      targetAddress = "xch1tl87mjd9zpugs7qy2ysc3j4qlftqlyjn037jywq6v2y4kp22g74qahn6sw";
+      plotDirectories = [ ];
+    };
   };
 }
diff --git a/modules/chia.nix b/modules/chia.nix
new file mode 100644
index 0000000..e33a0e8
--- /dev/null
+++ b/modules/chia.nix
@@ -0,0 +1,81 @@
+{ config, pkgs, lib, ... }:
+
+let
+  cfg = config.custom.chia;
+in
+{
+  options.custom.chia = {
+    enable = lib.mkEnableOption "chia";
+
+    path = lib.mkOption {
+      type = lib.types.str;
+      default = "/var/lib/chia";
+    };
+    keyFile = lib.mkOption {
+      type = with lib.types; nullOr str;
+      default = null;
+    };
+    targetAddress = lib.mkOption {
+      type = with lib.types; nullOr str;
+      default = null;
+    };
+    plotDirectories = lib.mkOption {
+      type = with lib.types; nullOr (listOf str);
+      default = null;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [ chia ];
+
+    users.groups.chia = { };
+    users.users.chia = {
+      home = cfg.path;
+      createHome = true;
+      isSystemUser = true;
+      group = "chia";
+    };
+
+    systemd.services.chia = {
+      description = "Chia daemon.";
+      wantedBy = [ "multi-user.target" ];
+
+      preStart = with pkgs; lib.strings.concatStringsSep "\n" ([ "${pkgs.chia}/bin/chia init" ]
+        ++ (if cfg.keyFile == null then [ ] else [ "${pkgs.chia}/bin/chia keys add -f ${cfg.keyFile}" ])
+        ++ (if cfg.targetAddress == null then [ ] else [
+        ''
+          ${pkgs.yq-go}/bin/yq e \
+              '.farmer.xch_target_address = "${cfg.targetAddress}" | .pool.xch_target_address = "${cfg.targetAddress}"' \
+              -i ${cfg.path}/.chia/mainnet/config/config.yaml
+        ''
+      ]) ++ (if cfg.plotDirectories == null then [ ] else [
+        ''
+          ${pkgs.yq-go}/bin/yq e \
+              '.harvester.plot_directories = [${lib.strings.concatMapStringsSep "," (x: "\"" + x + "\"") cfg.plotDirectories}]' \
+              -i ${cfg.path}/.chia/mainnet/config/config.yaml
+        ''
+      ]));
+      script = with pkgs; "${pkgs.chia}/bin/chia start farmer";
+      preStop = with pkgs; "${pkgs.chia}/bin/chia stop -d farmer";
+
+      serviceConfig = {
+        Type = "forking";
+
+        User = "chia";
+        Group = "chia";
+
+        WorkingDirectory = cfg.path;
+
+        Restart = "always";
+        RestartSec = 10;
+        TimeoutStopSec = 120;
+        OOMScoreAdjust = 1000;
+
+        Nice = 2;
+        IOSchedulingClass = "best-effort";
+        IOSchedulingPriority = 7;
+      };
+    };
+  };
+}
+
diff --git a/modules/default.nix b/modules/default.nix
index 6e9039b..63aed6a 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -3,6 +3,7 @@
 {
   imports = [
     ./backups/default.nix
+    ./chia.nix
     ./desktop/awesome/default.nix
     ./locations.nix
     ./resilio.nix
diff --git a/secrets/chia/farmer.key.age b/secrets/chia/farmer.key.age
new file mode 100644
index 0000000000000000000000000000000000000000..18f33bf68e1d20022f6941c2dcde2cab3137aced
GIT binary patch
literal 1190
zcmYk4%j??&0LO=TF}htuaZ|S6Vc?<EHf`D_%qdCQBu(>vHHi;M^G=#JueM2b4D_Ps
zZOTLx@iM&VWDK{9;1t<Krv4DYIgsg4H}oKguY((S@E`bo_<s0UzT0#cc3!7txLiE8
z%>C9H1e#Cm6h+X?3u}k01cDZU0v~X?2o0TbYjex6>xGcrh`rfR-MAqSqlRE1NipNs
zn5|EyOewS*DnxQDP17>W#}i;+IkCAmCpku;s3jBgG=o%?aw=G9_<DpaRc*|xa&8)U
z$4|8_Wd+D6)_bMz@dmTufq-em5vak1Y)HJ;FP&%+jx<n65n--SLDGeaN`d{YHyoD<
zGN=(vOl@kz4M{6c8@LMCQVDvSj*bp7nr{&qEvoPs76l#GCeW<ahYLOF1gfQ2*;H~w
zK2YZpB!e`b1Zt<7On{jg5NyhGIbRxWGf?1Kk2exlBPp53TaW<Jy6T0|V%#pad1c$W
z*7hZ0)kPR%OL|-fAZinlxp7t@$xISgx@FH%)BnHi36e~~4Zu4=YUXU6g;}40S}Zms
zJz|7!2VPeW21`0pu&iQI+U8abl~!jtA!jQ;su>L1&?sL5d6Drjsj}3<BooS(#;aj>
zm?BY|b6U48N>yutD>3Jc6xLr%Y-_+dnNw*&A^VhUjs##G_J{bw<Q$@$LTf=?tL?Pw
zHiQA{N=7vx`eNUZ+hfU9iZ)fYTOx^Z?LmQv{v_@dD<AMVZVgvMT}xJZ<imw6$O3Du
z=Ub#^NU))M!78dP4|hGA&16ZOq%}@2u?8!4gqg7tfmYv*8eOAe3T(D+I~qztV^iD^
z9SD&mbUCXsYL+bK1ci(<rRBO|!a)NTvO^us6xEafuN^9wScEuFY{?pTCyab&_rJDX
zr_<|!$j)NAMp$$wh(&i%%NS;u{c%Kin^YpG(Rj`n7FW(#gM+hTE@%uz8UP%jsM8sH
z+*WqC#i~~bB@fcNnJvB1T8WKRr{k481nC8Qht{MHZys;@xoZ{f&eO-b8qQ32xT@od
zfNTz7IpLh5u-1GU-=@yWuEgnnZ;PvID9S><r-f1;w4wzU=h>9wXR<KL@Y^?<&7BxD
zHj+T{EYwNri6ePdSqHGeEo+~jP*s-<Oh>c5z^p}J@MwDQ=mWy_zfQ-yI{RDo%NY<k
z_vzkS`z_%3%WvfGz5Wb-{|i@-TwEMKaN`sG@Y_fCRsQ)yy32TPJ@T&PZ3BHbf9cda
zAMCw$Z*b_L&%gNRjPmjBtuIaPO7rW3XK#M?@V>k3{l7jx`2N9ftv64dXijg8U%7nb
zz@N(1duZ}f{NvAm9Juh+i+4YD{oF3nwy#`1{OYlrADs;M%CFtL^xd=Xp9}Ckdp^8D
cf75}UJW*V*f*+py{o2`|{yt5g%+KHVFYz|0&j0`b

literal 0
HcmV?d00001

diff --git a/secrets/secrets.nix b/secrets/secrets.nix
index a3fe273..031073f 100644
--- a/secrets/secrets.nix
+++ b/secrets/secrets.nix
@@ -77,4 +77,7 @@ in
   "mastodon/social.hillion.co.uk/secret_key_base.age".publicKeys = jake_users ++ [ ts.strangervm.vm ];
   "mastodon/social.hillion.co.uk/vapid_private_key.age".publicKeys = jake_users ++ [ ts.strangervm.vm ];
   "mastodon/social.hillion.co.uk/mastodon_at_social.hillion.co.uk.age".publicKeys = jake_users ++ [ ts.strangervm.vm ];
+
+  # Chia Secrets
+  "chia/farmer.key.age".publicKeys = jake_users ++ [ ts.storage.tywin ];
 }