From c74a3bbcf890799d343c62cb05fcbcdc952a1cf3 Mon Sep 17 00:00:00 2001 From: Vincenzo Palazzo Date: Mon, 23 May 2022 22:44:05 +0200 Subject: [PATCH] BOLT 1: introduce port convention for different network (#968) * bolt1: introduce port convention for different network Signed-off-by: Vincenzo Palazzo --- 01-messaging.md | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/01-messaging.md b/01-messaging.md index de59de9ad..db109b543 100644 --- a/01-messaging.md +++ b/01-messaging.md @@ -5,7 +5,13 @@ This protocol assumes an underlying authenticated and ordered transport mechanism that takes care of framing individual messages. [BOLT #8](08-transport.md) specifies the canonical transport layer used in Lightning, though it can be replaced by any transport that fulfills the above guarantees. -The default TCP port is 9735. This corresponds to hexadecimal `0x2607`: the Unicode code point for LIGHTNING.[1](#reference-1) +The default TCP port depends on the network used. The most common networks are: + +- Bitcoin mainet with port number 9735 or the corresponding hexadecimal `0x2607`; +- Bitcoin testnet with port number 19735 (`0x4D17`); +- Bitcoin signet with port number 39735 (`0xF87`). + +The Unicode code point for LIGHTNING [1](#reference-1), and the port convention try to follow the Bitcoin Core convention. All data fields are unsigned big-endian unless otherwise specified.