Add extra_count lower bound to compact reconstruction debug print

Author: TheBlueMatt

src/blockencodings.cpp

@@ -141,6 +141,7 @@ ReadStatus PartiallyDownloadedBlock::InitData(const CBlockHeaderAndShortTxIDs& c
                 txn_available[idit->second] = extra_txn[i].second;
                 have_txn[idit->second]  = true;
                 mempool_count++;
+                extra_count++;
             } else {
                 // If we find two mempool txn that match the short id, just request it.
                 // This should be rare enough that the extra bandwidth doesn't matter,
@@ -151,6 +152,7 @@ ReadStatus PartiallyDownloadedBlock::InitData(const CBlockHeaderAndShortTxIDs& c
                         txn_available[idit->second]->GetWitnessHash() != extra_txn[i].second->GetWitnessHash()) {
                     txn_available[idit->second].reset();
                     mempool_count--;
+                    extra_count--;
                 }
             }
         }
@@ -206,7 +208,7 @@ ReadStatus PartiallyDownloadedBlock::FillBlock(CBlock& block, const std::vector<
         return READ_STATUS_CHECKBLOCK_FAILED;
     }
 
-    LogPrint("cmpctblock", "Successfully reconstructed block %s with %lu txn prefilled, %lu txn from mempool and %lu txn requested\n", hash.ToString(), prefilled_count, mempool_count, vtx_missing.size());
+    LogPrint("cmpctblock", "Successfully reconstructed block %s with %lu txn prefilled, %lu txn from mempool (incl at least %lu from extra pool) and %lu txn requested\n", hash.ToString(), prefilled_count, mempool_count, extra_count, vtx_missing.size());
     if (vtx_missing.size() < 5) {
         for (const auto& tx : vtx_missing)
             LogPrint("cmpctblock", "Reconstructed block %s required tx %s\n", hash.ToString(), tx->GetHash().ToString());

src/blockencodings.h

@@ -194,7 +194,7 @@ class CBlockHeaderAndShortTxIDs {
 class PartiallyDownloadedBlock {
 protected:
     std::vector<CTransactionRef> txn_available;
-    size_t prefilled_count = 0, mempool_count = 0;
+    size_t prefilled_count = 0, mempool_count = 0, extra_count = 0;
     CTxMemPool* pool;
 public:
     CBlockHeader header;