sample-tapd.conf+tapcfg: add default signet/testnet4 uni servers

Uses our universe servers as proof couriers by default for the networks
testnet4 and signet.
The ports are different from the testnet and mainnet instances because
the infrastructure was set up slightly differently.

Author: guggero

sample-tapd.conf

@@ -57,7 +57,14 @@
 ; reorgsafedepth=6
 
 ; Default proof courier service address
-; proofcourieraddr=universerpc://testnet.universe.lightning.finance:10029
+; Default: (testnet)
+;   proofcourieraddr=universerpc://testnet.universe.lightning.finance:10029
+; Default for testnet4:
+;   proofcourieraddr=universerpc://testnet4.universe.lightning.finance:443
+; Default for signet:
+;   proofcourieraddr=universerpc://signet.universe.lightning.finance:443
+; Default for mainnet:
+;   proofcourieraddr=universerpc://universe.lightning.finance:10029
 
 ; The number of seconds the custodian waits after identifying an asset transfer
 ; on-chain and before retrieving the corresponding proof. Valid time units are

tapcfg/config.go

@@ -54,8 +54,10 @@ const (
 
 	defaultNetwork = "testnet"
 
-	defaultMainnetFederationServer = "universe.lightning.finance:10029"
-	defaultTestnetFederationServer = "testnet.universe.lightning.finance:10029"
+	defaultMainnetFederationServer  = "universe.lightning.finance:10029"
+	defaultTestnetFederationServer  = "testnet.universe.lightning.finance:10029"
+	defaultTestnet4FederationServer = "testnet4.universe.lightning.finance:443"
+	defaultSignetFederationServer   = "signet.universe.lightning.finance:443"
 
 	// DefaultAutogenValidity is the default validity of a self-signed
 	// certificate. The value corresponds to 14 months

tapcfg/server.go

@@ -205,7 +205,8 @@ func genServerConfig(cfg *Config, cfgLogger btclog.Logger,
 		}
 
 		// For mainnet, we need to overwrite the default universe proof
-		// courier address to use the mainnet server.
+		// courier address to use the mainnet server (the default is
+		// the testnet3 server).
 		if cfg.DefaultProofCourierAddr == defaultProofCourierAddr {
 			cfg.DefaultProofCourierAddr = fmt.Sprintf(
 				"%s://%s", proof.UniverseRpcCourierType,
@@ -228,6 +229,56 @@ func genServerConfig(cfg *Config, cfgLogger btclog.Logger,
 			)
 		}
 
+	case "testnet4":
+		// Add our default testnet4 federation server to the list of
+		// federation servers if not disabled by the user for privacy
+		// reasons.
+		if !cfg.Universe.NoDefaultFederation {
+			cfgLogger.Infof("Configuring %v as initial Universe "+
+				"federation server",
+				defaultTestnet4FederationServer)
+
+			federationMembers = append(
+				federationMembers,
+				defaultTestnet4FederationServer,
+			)
+		}
+
+		// For testnet4, we need to overwrite the default universe proof
+		// courier address to use the testnet4 server (the default is
+		// the testnet3 server).
+		if cfg.DefaultProofCourierAddr == defaultProofCourierAddr {
+			cfg.DefaultProofCourierAddr = fmt.Sprintf(
+				"%s://%s", proof.UniverseRpcCourierType,
+				defaultTestnet4FederationServer,
+			)
+		}
+
+	case "signet":
+		// Add our default signet federation server to the list of
+		// federation servers if not disabled by the user for privacy
+		// reasons.
+		if !cfg.Universe.NoDefaultFederation {
+			cfgLogger.Infof("Configuring %v as initial Universe "+
+				"federation server",
+				defaultSignetFederationServer)
+
+			federationMembers = append(
+				federationMembers,
+				defaultSignetFederationServer,
+			)
+		}
+
+		// For signet, we need to overwrite the default universe proof
+		// courier address to use the signet server (the default is
+		// the testnet3 server).
+		if cfg.DefaultProofCourierAddr == defaultProofCourierAddr {
+			cfg.DefaultProofCourierAddr = fmt.Sprintf(
+				"%s://%s", proof.UniverseRpcCourierType,
+				defaultSignetFederationServer,
+			)
+		}
+
 	default:
 		// For any other network, such as regtest, we can't use a
 		// universe proof courier by default, as we don't know what