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109dccca27
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79 lines
2.4 KiB
Nix
79 lines
2.4 KiB
Nix
{ config, lib, ... }:
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with lib;
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let
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options.services.clightning.plugins.feeadjuster = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = mdDoc ''
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Enable feeaduster (clightning plugin).
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This plugin auto-updates channel fees to keep channels balanced.
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See here for all available options:
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https://github.com/lightningd/plugins/blob/master/feeadjuster/feeadjuster.py
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Extra options can be set via `services.clightning.extraConfig`.
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'';
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};
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fuzz = mkOption {
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type = types.bool;
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default = true;
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description = mdDoc "Enable update threshold randomization and hysteresis.";
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};
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adjustOnForward = mkOption {
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type = types.bool;
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default = false;
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description = mdDoc "Automatically update fees on forward events.";
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};
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method = mkOption {
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type = types.enum [ "soft" "default" "hard" ];
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default = "default";
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description = mdDoc ''
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Adjustment method to calculate channel fees.
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`soft`: less difference when adjusting fees.
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`hard`: greater difference when adjusting fees.
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'';
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};
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adjustDaily = mkOption {
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type = types.bool;
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default = true;
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description = mdDoc "Automatically update fees daily.";
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};
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};
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cfg = config.services.clightning.plugins.feeadjuster;
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inherit (config.services) clightning;
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in
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{
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inherit options;
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config = mkIf (cfg.enable && clightning.enable) {
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services.clightning.extraConfig = ''
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plugin=${config.nix-bitcoin.pkgs.clightning-plugins.feeadjuster.path}
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feeadjuster-adjustment-method="${cfg.method}"
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'' + optionalString (!cfg.fuzz) ''
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feeadjuster-deactivate-fuzz
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'' + optionalString (!cfg.adjustOnForward) ''
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feeadjuster-deactivate-fee-update
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'';
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systemd = mkIf cfg.adjustDaily {
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services.clightning-feeadjuster = {
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# Only run when clightning is running
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requisite = [ "clightning.service" ];
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after = [ "clightning.service" ];
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serviceConfig = {
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Type = "oneshot";
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User = "clightning";
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ExecStart = "${clightning.package}/bin/lightning-cli --lightning-dir ${clightning.dataDir} feeadjust";
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};
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unitConfig.JoinsNamespaceOf = [ "clightning.service" ];
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startAt = [ "daily" ];
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};
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timers.clightning-feeadjuster.timerConfig = {
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RandomizedDelaySec = "6h";
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};
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};
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};
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}
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