config+serer: add AuxFundingController as top level cfg option

config_builder.go

@@ -34,6 +34,7 @@ import (
 	"github.com/lightningnetwork/lnd/channeldb"
 	"github.com/lightningnetwork/lnd/clock"
 	"github.com/lightningnetwork/lnd/fn"
+	"github.com/lightningnetwork/lnd/funding"
 	"github.com/lightningnetwork/lnd/invoices"
 	"github.com/lightningnetwork/lnd/keychain"
 	"github.com/lightningnetwork/lnd/kvdb"
@@ -167,6 +168,12 @@ type AuxComponents struct {
 	// MsgRouter is an optional message router that if set will be used in
 	// place of a new blank default message router.
 	MsgRouter fn.Option[msgmux.Router]
+
+	// AuxFundingController is an optional controller that can be used to
+	// modify the way we handle certain custom channel types. It's also
+	// able to automatically handle new custom protocol messages related to
+	// the funding process.
+	AuxFundingController fn.Option[funding.AuxFundingController]
 }
 
 // DefaultWalletImpl is the default implementation of our normal, btcwallet

server.go

@@ -1530,9 +1530,10 @@ func newServer(cfg *Config, listenAddrs []net.Addr,
 		EnableUpfrontShutdown:         cfg.EnableUpfrontShutdown,
 		MaxAnchorsCommitFeeRate: chainfee.SatPerKVByte(
 			s.cfg.MaxCommitFeeRateAnchors * 1000).FeePerKWeight(),
-		DeleteAliasEdge:   deleteAliasEdge,
-		AliasManager:      s.aliasMgr,
-		IsSweeperOutpoint: s.sweeper.IsSweeperOutpoint,
+		DeleteAliasEdge:      deleteAliasEdge,
+		AliasManager:         s.aliasMgr,
+		IsSweeperOutpoint:    s.sweeper.IsSweeperOutpoint,
+		AuxFundingController: implCfg.AuxFundingController,
 	})
 	if err != nil {
 		return nil, err