config: add signet network option

config.go

@@ -177,9 +177,9 @@ type Config struct {
 
 	// Network is the Bitcoin network we're running on. This will be parsed
 	// before the configuration is loaded and will set the correct flag on
-	// `lnd.bitcoin.mainnet|testnet|regtest` and also for the other daemons.
-	// That way only one global network flag is needed.
-	Network string `long:"network" description:"The network the UI and all its components run on" choice:"regtest" choice:"testnet" choice:"mainnet" choice:"simnet"`
+	// `lnd.bitcoin.mainnet|testnet|regtest|signet` and also for the other
+	// daemons. That way only one global network flag is needed.
+	Network string `long:"network" description:"The network the UI and all its components run on" choice:"regtest" choice:"testnet" choice:"mainnet" choice:"simnet" choice:"signet"`
 
 	Remote *subservers.RemoteConfig `group:"Remote mode options (use when lnd-mode=remote)" namespace:"remote"`
 
@@ -757,6 +757,9 @@ func setNetwork(cfg *Config) error {
 	case "simnet":
 		cfg.Lnd.Bitcoin.SimNet = true
 
+	case "signet":
+		cfg.Lnd.Bitcoin.SigNet = true
+
 	default:
 		return fmt.Errorf("unknown network: %v", cfg.Network)
 	}

docs/release-notes/release-notes-0.13.7.md

@@ -30,6 +30,10 @@
   sufficiently long duration (>= 30 seconds) should be used. The default value
   was bumped from 30 seconds to 3 minutes.
 
+* Add support for connecting LiT to a [signet 
+  network](https://github.com/lightninglabs/lightning-terminal/pull/902). This 
+  can be done using the `--network=signet` config option.
+
 ### Technical and Architectural Updates
 
 ## Integrated Binary Updates
@@ -46,4 +50,5 @@
 
 # Contributors (Alphabetical Order)
 
-- Oliver Gugger
+* Elle Mouton
+* Oliver Gugger

itest/litd_node.go

@@ -236,6 +236,8 @@ func (cfg *LitNodeConfig) defaultLitdArgs() *litArgs {
 		args["network"] = "simnet"
 	case &chaincfg.RegressionNetParams:
 		args["network"] = "regtest"
+	case &chaincfg.SigNetParams:
+		args["network"] = "signet"
 	}
 
 	// In remote mode, we don't need any lnd specific arguments other than