117 lines
3 KiB
Nix
117 lines
3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.ethminer;
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poolUrl = escapeShellArg "stratum1+tcp://${cfg.wallet}@${cfg.pool}:${toString cfg.stratumPort}/${cfg.rig}/${cfg.registerMail}";
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in
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{
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###### interface
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options = {
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services.ethminer = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc "Enable ethminer ether mining.";
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};
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recheckInterval = mkOption {
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type = types.ints.unsigned;
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default = 2000;
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description = lib.mdDoc "Interval in milliseconds between farm rechecks.";
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};
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toolkit = mkOption {
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type = types.enum [ "cuda" "opencl" ];
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default = "cuda";
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description = lib.mdDoc "Cuda or opencl toolkit.";
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};
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apiPort = mkOption {
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type = types.int;
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default = -3333;
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description = lib.mdDoc "Ethminer api port. minus sign puts api in read-only mode.";
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};
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wallet = mkOption {
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type = types.str;
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example = "0x0123456789abcdef0123456789abcdef01234567";
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description = lib.mdDoc "Ethereum wallet address.";
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};
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pool = mkOption {
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type = types.str;
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example = "eth-us-east1.nanopool.org";
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description = lib.mdDoc "Mining pool address.";
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};
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stratumPort = mkOption {
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type = types.port;
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default = 9999;
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description = lib.mdDoc "Stratum protocol tcp port.";
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};
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rig = mkOption {
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type = types.str;
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default = "mining-rig-name";
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description = lib.mdDoc "Mining rig name.";
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};
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registerMail = mkOption {
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type = types.str;
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example = "email%40example.org";
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description = lib.mdDoc "Url encoded email address to register with pool.";
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};
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maxPower = mkOption {
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type = types.ints.unsigned;
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default = 113;
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description = lib.mdDoc "Miner max watt usage.";
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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systemd.services.ethminer = {
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path = optional (cfg.toolkit == "cuda") [ pkgs.cudaPackages.cudatoolkit ];
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description = "ethminer ethereum mining service";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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DynamicUser = true;
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ExecStartPre = "${pkgs.ethminer}/bin/.ethminer-wrapped --list-devices";
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ExecStartPost = optional (cfg.toolkit == "cuda") "+${getBin config.boot.kernelPackages.nvidia_x11}/bin/nvidia-smi -pl ${toString cfg.maxPower}";
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Restart = "always";
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};
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environment = mkIf (cfg.toolkit == "cuda") {
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LD_LIBRARY_PATH = "${config.boot.kernelPackages.nvidia_x11}/lib";
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};
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script = ''
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${pkgs.ethminer}/bin/.ethminer-wrapped \
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--farm-recheck ${toString cfg.recheckInterval} \
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--report-hashrate \
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--${cfg.toolkit} \
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--api-port ${toString cfg.apiPort} \
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--pool ${poolUrl}
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'';
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};
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};
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}
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