Function wireProcessVersionByteTrace

lib/wire.go:682–759

wireProcessVersionByteTrace processes version byte with optional verbose debugging output

(version byte, trace bool)

// wireProcessVersionByteTrace processes version byte with optional verbose debugging output
func wireProcessVersionByteTrace(version byte, trace bool) (isValid bool, headerLength int) {
	if trace {
		fmt.Printf("  wireProcessVersionByte: version=0x%02x (%d)\n", version, version)
	}

	switch version {

	// 1 byte version == 0
	// 0 byte protobuf length
	// 0 byte binary length
	// 0 bytes protobuf
	// 0 bytes binary
	case 0:
		if trace {
			fmt.Printf("    Version 0: no header\n")
		}
		return true, 0

		// 1 byte version == 1
		// 1 byte protobuf length
		// 1 byte binary length
		// N bytes protobuf
		// N bytes binary
	case 1:
		if trace {
			fmt.Printf("    Version 1: 2-byte header (1 byte protobuf len, 1 byte binary len)\n")
		}
		return true, 2

		// 1 byte version == 2
		// 1 byte protobuf length
		// 2 byte binary length
		// N bytes protobuf
		// N bytes binary
	case 2:
		if trace {
			fmt.Printf("    Version 2: 3-byte header (1 byte protobuf len, 2 bytes binary len)\n")
		}
		return true, 3

		// 1 byte version == 3
		// 2 byte protobuf length
		// 2 byte binary length
		// N bytes protobuf
		// N bytes binary
	case 3:
		if trace {
			fmt.Printf("    Version 3: 4-byte header (2 bytes protobuf len, 2 bytes binary len)\n")
		}
		return true, 4

		// 1 byte version == 4
		// 4 byte protobuf length
		// 4 byte binary length
		// N bytes protobuf
		// N bytes binary
	case 4:
		if trace {