bitcoin_1txblock_log.diff

diff --git a/src/main.cpp b/src/main.cpp
index babdf88..bda04c4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2573,6 +2573,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         vRecv >> block;

         printf("received block %s\n", block.GetHash().ToString().substr(0,20).c_str());
+        if ( block.vtx.size() == 1 ) printf("1-tx-block received from %s\n", pfrom->addr.ToString().c_str());
         // block.print();

         CInv inv(MSG_BLOCK, block.GetHash());