From 01dbfc69a51a2cad0b391300282a99c4cddf199b Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Wed, 11 Mar 2026 11:01:25 -0400
Subject: [PATCH] p2pool: init

---
 configuration.nix   |  1 +
 flake.lock          | 18 +++++++++++++++++
 flake.nix           |  8 ++++++++
 service-configs.nix |  7 +++++++
 services/monero.nix |  1 +
 services/p2pool.nix | 48 +++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 83 insertions(+)
 create mode 100644 services/p2pool.nix

diff --git a/configuration.nix b/configuration.nix
index b744729..674ca57 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -52,6 +52,7 @@
     ./services/livekit.nix
 
     ./services/monero.nix
+    ./services/p2pool.nix
     ./services/xmrig.nix
 
     # KEEP UNTIL 2028
diff --git a/flake.lock b/flake.lock
index be196fa..ee14063 100644
--- a/flake.lock
+++ b/flake.lock
@@ -330,6 +330,23 @@
         "type": "github"
       }
     },
+    "nixpkgs-p2pool-module": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1764744779,
+        "narHash": "sha256-15mhGU8HZq4e6U2WnIhQvJNuUmU5aIO0RHMjzv9gVZs=",
+        "owner": "JacoMalan1",
+        "repo": "nixpkgs",
+        "rev": "3784f8a0dc56806ffbc550701d3aa27436ebb3e5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "JacoMalan1",
+        "ref": "create-p2pool-service",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1764517877,
@@ -381,6 +398,7 @@
         "nix-minecraft": "nix-minecraft",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-p2pool-module": "nixpkgs-p2pool-module",
         "senior_project-website": "senior_project-website",
         "srvos": "srvos",
         "trackerlist": "trackerlist",
diff --git a/flake.nix b/flake.nix
index 65817d5..5fb257a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -73,6 +73,11 @@
       url = "git+ssh://gitea@git.gardling.com/titaniumtown/arr-init";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    nixpkgs-p2pool-module = {
+      url = "github:JacoMalan1/nixpkgs/create-p2pool-service";
+      flake = false;
+    };
   };
 
   outputs =
@@ -89,6 +94,7 @@
       deploy-rs,
       impermanence,
       arr-init,
+      nixpkgs-p2pool-module,
       ...
     }@inputs:
     let
@@ -167,6 +173,8 @@
 
           arr-init.nixosModules.default
 
+          (import "${nixpkgs-p2pool-module}/nixos/modules/services/networking/p2pool.nix")
+
           home-manager.nixosModules.home-manager
           (
             {
diff --git a/service-configs.nix b/service-configs.nix
index aa90032..f96d603 100644
--- a/service-configs.nix
+++ b/service-configs.nix
@@ -21,6 +21,7 @@ rec {
     livekit = 7880; # TCP
     soulseek_listen = 50300; # TCP
     monero = 18080; # TCP
+    p2pool_p2p = 37889; # TCP
     murmur = 64738; # TCP + UDP
 
     # private
@@ -41,6 +42,8 @@ rec {
     bazarr = 6767; # TCP
     jellyseerr = 5055; # TCP
     monero_rpc = 18081; # TCP
+    monero_zmq = 18083; # TCP
+    p2pool_stratum = 3334; # TCP
   };
 
   https = {
@@ -96,6 +99,10 @@ rec {
     dataDir = services_dir + "/monero";
   };
 
+  p2pool = {
+    dataDir = services_dir + "/p2pool";
+  };
+
   matrix = {
     dataDir = "/var/lib/continuwuity";
     domain = "matrix.${https.domain}";
diff --git a/services/monero.nix b/services/monero.nix
index 1e4d792..e7820ea 100644
--- a/services/monero.nix
+++ b/services/monero.nix
@@ -23,6 +23,7 @@
     };
     extraConfig = ''
       p2p-bind-port=${builtins.toString service_configs.ports.monero}
+      zmq-pub=tcp://127.0.0.1:${builtins.toString service_configs.ports.monero_zmq}
       db-sync-mode=fast:async:1000000000bytes
       public-node=1
       confirm-external-bind=1
diff --git a/services/p2pool.nix b/services/p2pool.nix
new file mode 100644
index 0000000..6609050
--- /dev/null
+++ b/services/p2pool.nix
@@ -0,0 +1,48 @@
+{
+  config,
+  service_configs,
+  lib,
+  ...
+}:
+let
+  walletAddress = lib.strings.trim (builtins.readFile ../secrets/xmrig-wallet);
+in
+{
+  imports = [
+    (lib.serviceMountWithZpool "p2pool" service_configs.zpool_hdds [
+      service_configs.p2pool.dataDir
+    ])
+    (lib.serviceFilePerms "p2pool" [
+      "Z ${service_configs.p2pool.dataDir} 0700 p2pool p2pool"
+    ])
+  ];
+
+  services.p2pool = {
+    enable = true;
+    dataDir = service_configs.p2pool.dataDir;
+    walletAddress = walletAddress;
+    sidechain = "nano";
+    host = "127.0.0.1";
+    rpcPort = service_configs.ports.monero_rpc;
+    zmqPort = service_configs.ports.monero_zmq;
+    extraArgs = [
+      "--stratum 0.0.0.0:${builtins.toString service_configs.ports.p2pool_stratum}"
+    ];
+  };
+
+  # Ensure p2pool starts after monero is ready
+  systemd.services.p2pool = {
+    after = [ "monero.service" ];
+    wants = [ "monero.service" ];
+  };
+
+  # Stop p2pool on UPS battery to conserve power
+  services.apcupsd.hooks = lib.mkIf config.services.apcupsd.enable {
+    onbattery = "systemctl stop p2pool";
+    offbattery = "systemctl start p2pool";
+  };
+
+  networking.firewall.allowedTCPPorts = [
+    service_configs.ports.p2pool_p2p
+  ];
+}