From: Richard Smith <iceeatscream@gmail.com>
Date: Wed, 20 Jun 2012 21:22:42 +0000 (+0100)
Subject: PPCoin: Force asking for orphan block's parent block
X-Git-Tag: v0.4.0-unstable~148
X-Git-Url: https://git.novaco.in/?p=novacoin.git;a=commitdiff_plain;h=851fe4f82c9400ced6d58f6f279bc01539d8a1f9

PPCoin: Force asking for orphan block's parent block
        Fix an issue where a block previously failing duplicate
        proof-of-stake check was not asked for again
---

diff --git a/src/main.cpp b/src/main.cpp
index 127ca29..4e27d4b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1674,7 +1674,13 @@ bool ProcessBlock(CNode* pfrom, CBlock* pblock)
 
         // Ask this guy to fill in what we're missing
         if (pfrom)
+        {
             pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(pblock2));
+            // ppcoin: getblocks may not obtain the parent block rejected earlier
+            // by duplicate-stake check so we must ask for it again directly
+            if (!mapOrphanBlocks.count(pblock->hashPrevBlock))
+                pfrom->AskFor(CInv(MSG_BLOCK, pblock->hashPrevBlock));
+        }
         return true;
     }