lntemp+itest: refactor node restart process

This commit refactors how the node restart is done. It removes the usage
of `HasSeed` and replaces it with `SkipUnlock` for clarity.

lntemp/node/config.go

@@ -63,8 +63,8 @@ type BaseNodeConfig struct {
 	ReadMacPath    string
 	InvoiceMacPath string
 
-	HasSeed  bool
-	Password []byte
+	SkipUnlock bool
+	Password   []byte
 
 	P2PPort     int
 	RPCPort     int
@@ -190,7 +190,7 @@ func (cfg *BaseNodeConfig) GenArgs() []string {
 	}
 	args = append(args, nodeArgs...)
 
-	if !cfg.HasSeed {
+	if cfg.Password == nil {
 		args = append(args, "--noseedbackup")
 	}
 

lntemp/node/harness_node.go

@@ -387,12 +387,12 @@ func (hn *HarnessNode) StartLndCmd(ctxb context.Context) error {
 	return nil
 }
 
-// StartWithSeed will start the lnd process, creates the grpc connection
+// StartWithNoAuth will start the lnd process, creates the grpc connection
 // without macaroon auth, and waits until the server is reported as waiting to
 // start.
 //
 // NOTE: caller needs to take extra step to create and unlock the wallet.
-func (hn *HarnessNode) StartWithSeed(ctxt context.Context) error {
+func (hn *HarnessNode) StartWithNoAuth(ctxt context.Context) error {
 	// Start lnd process and prepare logs.
 	if err := hn.StartLndCmd(ctxt); err != nil {
 		return fmt.Errorf("start lnd error: %w", err)