From 5b0150a060208faf436c09b0ca9463407a869c72 Mon Sep 17 00:00:00 2001
From: Gregory Maxwell <greg@xiph.org>
Date: Fri, 18 Nov 2016 19:11:08 +0000
Subject: [PATCH] Make orphan parent fetching ask for witnesses.

In 0.13 orphan transactions began being treated as implicit
 INVs for their parents.  But the resulting getdata were
 not getting the witness flag.

This fixes issue #9182 reported by chjj and roasbeef on IRC.
---
 src/main.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main.cpp b/src/main.cpp
index 263421aea4..9af612bb5f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -5686,8 +5686,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
                 }
             }
             if (!fRejectedParents) {
+                uint32_t nFetchFlags = GetFetchFlags(pfrom, chainActive.Tip(), chainparams.GetConsensus());
                 BOOST_FOREACH(const CTxIn& txin, tx.vin) {
-                    CInv _inv(MSG_TX, txin.prevout.hash);
+                    CInv _inv(MSG_TX | nFetchFlags, txin.prevout.hash);
                     pfrom->AddInventoryKnown(_inv);
                     if (!AlreadyHave(_inv)) pfrom->AskFor(_inv);
                 }