Add missing primitive aliases and outpoint helper

lns.go

@@ -402,6 +402,17 @@ func (s *Service) GetNewClaim() *Claim {
 	return s.NewClaim()
 }
 
+// NewOutpoint returns the null outpoint used by coinbase inputs and empty
+// name-state owner references.
+func (s *Service) NewOutpoint() Outpoint {
+	return primitives.NewOutpoint()
+}
+
+// GetNewOutpoint is an alias for NewOutpoint.
+func (s *Service) GetNewOutpoint() Outpoint {
+	return s.NewOutpoint()
+}
+
 // NewNameView constructs an empty cached name-state view.
 func (s *Service) NewNameView() *NameView {
 	return primitives.NewNameView()
@@ -1159,6 +1170,33 @@ type NameFlags = covenant.NameFlags
 // NameRules mirrors the covenant rollout and lockup rule inputs.
 type NameRules = covenant.NameRules
 
+// Address mirrors the primitive output-address container.
+type Address = primitives.Address
+
+// Outpoint mirrors the primitive previous-output reference type.
+type Outpoint = primitives.Outpoint
+
+// OutpointJSON mirrors the primitive JSON representation for outpoints.
+type OutpointJSON = primitives.OutpointJSON
+
+// Input mirrors the primitive transaction input type.
+type Input = primitives.Input
+
+// Output mirrors the primitive transaction output type.
+type Output = primitives.Output
+
+// Transaction mirrors the primitive transaction container.
+type Transaction = primitives.Transaction
+
+// BlockHeader mirrors the primitive block-header container.
+type BlockHeader = primitives.BlockHeader
+
+// Covenant mirrors the primitive covenant payload type.
+type Covenant = primitives.Covenant
+
+// CovenantJSON mirrors the primitive covenant JSON representation.
+type CovenantJSON = primitives.CovenantJSON
+
 // NameState mirrors the name-state record type from pkg/primitives.
 type NameState = primitives.NameState
 
@@ -1181,6 +1219,9 @@ type NameUndoEntry = primitives.NameUndoEntry
 // Claim mirrors the raw ownership-proof claim wrapper from pkg/primitives.
 type Claim = primitives.Claim
 
+// NameStateJSON mirrors the primitive JSON representation for a name state.
+type NameStateJSON = primitives.NameStateJSON
+
 // NameStateRules mirrors the phase-timing rule set from pkg/primitives.
 type NameStateRules = primitives.NameStateRules
 
@@ -1223,6 +1264,17 @@ func GetNewClaim() *Claim {
 	return NewClaim()
 }
 
+// NewOutpoint returns the null outpoint used by coinbase inputs and empty
+// name-state owner references.
+func NewOutpoint() Outpoint {
+	return primitives.NewOutpoint()
+}
+
+// GetNewOutpoint is an alias for NewOutpoint.
+func GetNewOutpoint() Outpoint {
+	return NewOutpoint()
+}
+
 // NewNameView constructs an empty cached name-state view.
 func NewNameView() *NameView {
 	return primitives.NewNameView()

lns_package_test.go

@@ -1409,6 +1409,43 @@ func TestPackageTypeConstants(t *testing.T) {
 	}
 }
 
+func TestPackagePrimitiveAliases(t *testing.T) {
+	hash := primitives.Hash{1, 2, 3}
+	address := Address{Version: 1, Hash: hash[:]}
+	prevout := NewOutpoint()
+	prevout.Index = 7
+
+	var (
+		_ = primitives.Address(address)
+		_ = primitives.Outpoint(prevout)
+		_ = OutpointJSON{Hash: prevout.GetJSON().Hash, Index: prevout.Index}
+		_ = Input{Prevout: prevout}
+		_ = Output{Address: address}
+		_ = Transaction{Inputs: []Input{{Prevout: prevout}}}
+		_ = BlockHeader{}
+		_ = Covenant{}
+		_ = CovenantJSON{}
+		_ = NameStateJSON{}
+	)
+
+	if got, want := NewOutpoint(), primitives.NewOutpoint(); got != want {
+		t.Fatalf("NewOutpoint() = %+v, want %+v", got, want)
+	}
+
+	if got, want := GetNewOutpoint(), primitives.NewOutpoint(); got != want {
+		t.Fatalf("GetNewOutpoint() = %+v, want %+v", got, want)
+	}
+
+	service := NewService(nil)
+	if got, want := service.NewOutpoint(), primitives.NewOutpoint(); got != want {
+		t.Fatalf("Service.NewOutpoint() = %+v, want %+v", got, want)
+	}
+
+	if got, want := service.GetNewOutpoint(), primitives.NewOutpoint(); got != want {
+		t.Fatalf("Service.GetNewOutpoint() = %+v, want %+v", got, want)
+	}
+}
+
 func TestPackageCovenantTypePredicates(t *testing.T) {
 	if !IsName(TypeOpen) || !GetIsName(TypeOpen) {
 		t.Fatal("IsName should report open covenants")