lnd: add consistent address options

Also fix btcpayserver by connecting to the lnd restAddress instead of the p2p address.

examples/configuration.nix

@@ -50,7 +50,7 @@
   # Uncomment the following line in order to enable lnd, a lightning
   # implementation written in Go. In order to avoid collisions with clightning
   # you must disable clightning or change the services.clightning.bindport or
-  # services.lnd.listenPort to a port other than 9735.
+  # services.lnd.port to a port other than 9735.
   # services.lnd.enable = true;
   # Enable this option to announce our Tor Hidden Service. By default lnd
   # offers outgoing functionality, but doesn't announce the Tor Hidden Service

modules/btcpayserver.nix

@@ -163,7 +163,7 @@ in {
       '');
       lndConfig =
         "btclightning=type=lnd-rest;" +
-        "server=https://${toString cfg.lnd.listen}:${toString cfg.lnd.restPort}/;" +
+        "server=https://${cfg.lnd.restAddress}:${toString cfg.lnd.restPort}/;" +
         "macaroonfilepath=/run/lnd/btcpayserver.macaroon;" +
         "certthumbprint=";
     in let self = {

modules/lightning-loop.nix

@@ -17,7 +17,7 @@ let
     tlscertpath=${secretsDir}/loop-cert
     tlskeypath=${secretsDir}/loop-key
 
-    lnd.host=${config.services.lnd.rpclisten}:${toString config.services.lnd.rpcPort}
+    lnd.host=${config.services.lnd.rpcAddress}:${toString config.services.lnd.rpcPort}
     lnd.macaroondir=${config.services.lnd.networkDir}
     lnd.tlspath=${secretsDir}/lnd-cert
 

modules/lnd.nix

@@ -17,9 +17,9 @@ let
     tlscertpath=${secretsDir}/lnd-cert
     tlskeypath=${secretsDir}/lnd-key
 
-    listen=${toString cfg.listen}:${toString cfg.listenPort}
-    rpclisten=${cfg.rpclisten}:${toString cfg.rpcPort}
-    restlisten=${cfg.restlisten}:${toString cfg.restPort}
+    listen=${toString cfg.address}:${toString cfg.port}
+    rpclisten=${cfg.rpcAddress}:${toString cfg.rpcPort}
+    restlisten=${cfg.restAddress}:${toString cfg.restPort}
 
     bitcoin.${bitcoind.network}=1
     bitcoin.active=1
@@ -55,39 +55,37 @@ in {
       default = networkDir;
       description = "The network data directory.";
     };
-    listen = mkOption {
-      type = config.nix-bitcoin.pkgs.lib.ipv4Address;
+    address = mkOption {
+      type = types.str;
       default = "localhost";
-      description = "Bind to given address to listen to peer connections";
+      description = "Address to listen for peer connections";
     };
-    listenPort = mkOption {
+    port = mkOption {
       type = types.port;
       default = 9735;
-      description = "Bind to given port to listen to peer connections";
+      description = "Port to listen for peer connections";
     };
-    rpclisten = mkOption {
+    rpcAddress = mkOption {
       type = types.str;
       default = "localhost";
-      description = ''
-        Bind to given address to listen to RPC connections.
-      '';
-    };
-    restlisten = mkOption {
-      type = types.str;
-      default = "localhost";
-      description = ''
-        Bind to given address to listen to REST connections.
-      '';
+      description = "Address to listen for RPC connections.";
     };
     rpcPort = mkOption {
       type = types.port;
       default = 10009;
-      description = "Port on which to listen for gRPC connections.";
+      description = "Port to listen for gRPC connections.";
+    };
+    restAddress = mkOption {
+      type = types.str;
+      default = "localhost";
+      description = ''
+        Address to listen for REST connections.
+      '';
     };
     restPort = mkOption {
       type = types.port;
       default = 8080;
-      description = "Port on which to listen for REST connections.";
+      description = "Port to listen for REST connections.";
     };
     tor-socks = mkOption {
       type = types.nullOr types.str;
@@ -138,7 +136,7 @@ in {
       # Switch user because lnd makes datadir contents readable by user only
       ''
         sudo -u lnd ${cfg.package}/bin/lncli \
-          --rpcserver ${cfg.rpclisten}:${toString cfg.rpcPort} \
+          --rpcserver ${cfg.rpcAddress}:${toString cfg.rpcPort} \
           --tlscertpath '${secretsDir}/lnd-cert' \
           --macaroonpath '${networkDir}/admin.macaroon' "$@"
       '';
@@ -187,12 +185,12 @@ in {
         RestartSec = "10s";
         ReadWritePaths = "${cfg.dataDir}";
         ExecStartPost = let
-          restUrl = "https://${cfg.restlisten}:${toString cfg.restPort}/v1";
+          restUrl = "https://${cfg.restAddress}:${toString cfg.restPort}/v1";
         in [
           # Run fully privileged for secrets dir write access
           "+${nix-bitcoin-services.script ''
             attempts=250
-            while ! { exec 3>/dev/tcp/${cfg.restlisten}/${toString cfg.restPort} && exec 3>&-; } &>/dev/null; do
+            while ! { exec 3>/dev/tcp/${cfg.restAddress}/${toString cfg.restPort} && exec 3>&-; } &>/dev/null; do
                   ((attempts-- == 0)) && { echo "lnd REST service unreachable"; exit 1; }
                   sleep 0.1
             done
@@ -234,7 +232,7 @@ in {
             fi
 
             # Wait until the RPC port is open
-            while ! { exec 3>/dev/tcp/${cfg.rpclisten}/${toString cfg.rpcPort}; } &>/dev/null; do
+            while ! { exec 3>/dev/tcp/${cfg.rpcAddress}/${toString cfg.rpcPort}; } &>/dev/null; do
               sleep 0.1
             done
 

modules/modules.nix

@@ -58,11 +58,11 @@ with lib;
 
   config = {
     assertions = [
-      { assertion = (config.services.lnd.enable -> ( !config.services.clightning.enable || config.services.clightning.bindport != config.services.lnd.listenPort));
+      { assertion = (config.services.lnd.enable -> ( !config.services.clightning.enable || config.services.clightning.bindport != config.services.lnd.port));
         message = ''
           LND and clightning can't both bind to lightning port 9735. Either
           disable LND/clightning or change services.clightning.bindPort or
-          services.lnd.listenPort to a port other than 9735.
+          services.lnd.port to a port other than 9735.
         '';
       }
     ];

modules/netns-isolation.nix

@@ -257,9 +257,9 @@ in {
     services.clightning.bind-addr = netns.clightning.address;
 
     services.lnd = {
-      listen = netns.lnd.address;
-      rpclisten = netns.lnd.address;
-      restlisten = netns.lnd.address;
+      address = netns.lnd.address;
+      rpcAddress = netns.lnd.address;
+      restAddress = netns.lnd.address;
     };
 
     services.liquidd = {

modules/presets/secure-node.nix

@@ -74,7 +74,7 @@ in {
 
     # lnd
     services.lnd.enforceTor = true;
-    services.tor.hiddenServices.lnd = mkIf cfg.lnd.enable (mkHiddenService { port = cfg.lnd.onionport; toHost = cfg.lnd.listen; toPort = cfg.lnd.listenPort; });
+    services.tor.hiddenServices.lnd = mkIf cfg.lnd.enable (mkHiddenService { port = cfg.lnd.onionport; toHost = cfg.lnd.address; toPort = cfg.lnd.port; });
 
     # lightning-loop
     services.lightning-loop.enforceTor = true;

test/tests.nix

@@ -44,7 +44,7 @@ let testEnv = rec {
       tests.spark-wallet = cfg.spark-wallet.enable;
 
       tests.lnd = cfg.lnd.enable;
-      services.lnd.listenPort = 9736;
+      services.lnd.port = 9736;
 
       tests.lightning-loop = cfg.lightning-loop.enable;