Merge pull request #9171 from ellemouton/genUnsignedTLVRanges

tlv: generate types for gossip unsigned range

tlv/internal/gen/gen_tlv_types.go

@@ -8,14 +8,29 @@ import (
 )
 
 const (
-	numberOfTypes uint32 = 100
+	numberOfTypes uint32 = 300
 
 	// customTypeStart defines the beginning of the custom TLV type range as
 	// defined in BOLT-01.
-	customTypeStart   uint32 = 65536
+	customTypeStart uint32 = 65536
-	defaultOutputFile        = "tlv_types_generated.go"
+
+	// pureTLVSecondSignedTypeRangeStart defines the first TLV type of the
+	// second defined signed TLV range used in pure TLV messages.
+	pureTLVSecondSignedTypeRangeStart uint32 = 1000000000
+
+	// pureTLVSecondUnsignedTypeRangeStart defines the first TLV type of the
+	// second defined unsigned TLV range used in pure TLV messages.
+	pureTLVSecondUnsignedTypeRangeStart uint32 = 3000000000
+
+	defaultOutputFile = "tlv_types_generated.go"
 )
 
+// typeMarkers defines any adhoc TLV types we want to generate.
+var typeMarkers = map[uint32]struct{}{
+	pureTLVSecondSignedTypeRangeStart:   {},
+	pureTLVSecondUnsignedTypeRangeStart: {},
+}
+
 const typeCodeTemplate = `// Code generated by tlv/internal/gen; DO NOT EDIT.
 
 package tlv
@@ -50,6 +65,11 @@ func main() {
 		items[i] = struct{}{}
 	}
 
+	// We'll also generate any marker types.
+	for t := range typeMarkers {
+		items[t] = struct{}{}
+	}
+
 	tpl, err := template.New("tlv").Parse(typeCodeTemplate)
 	if err != nil {
 		panic(err)