From 6366f8ebcbab1bc5e59325bf8a00ed96065bd671 Mon Sep 17 00:00:00 2001 From: Sjors Provoost Date: Wed, 12 Jan 2022 16:37:01 +0100 Subject: bip174: document PSBT 0 handling of type > 0xFD --- bip-0174.mediawiki | 3 +++ 1 file changed, 3 insertions(+) (limited to 'bip-0174.mediawiki') diff --git a/bip-0174.mediawiki b/bip-0174.mediawiki index 8ef525c..874af14 100644 --- a/bip-0174.mediawiki +++ b/bip-0174.mediawiki @@ -819,6 +819,9 @@ If an updater is updating a PSBT and needs to add a field that is only available New fields should first be proposed on the bitcoin-dev mailing list. If a field requires significant description as to its usage, it should be accompanied by a separate BIP. The field must be added to the field listing tables in the Specification section. +Although some PSBT version 0 implementations encode types as uint8_t rather than compact size, +it is still safe to add >0xFD fields to PSBT 0, because these old parsers ignore +unknown fields, and is prefixed by its length. ===Procedure For New Versions=== -- cgit v1.2.3