Merge pull request #2945 from gmaxwell/fee-logic_encourage_sweeping

[Fee logic] Don't count txins for priority to encourage sweeping.

1 files changed, 9 insertions, 1 deletions

diff --git a/src/wallet.cpp b/src/wallet.cpp
index 03d79406d8..6f61cfc734 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1300,7 +1300,15 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend,
                     strFailReason = _("Transaction too large");
                     return false;
                 }
-                dPriority /= nBytes;
+                unsigned int nTxSizeMod = nBytes;
+                // See miner.c's dPriority logic for the matching network-node side code.
+                BOOST_FOREACH(const CTxIn& txin, (*(CTransaction*)&wtxNew).vin)
+                {
+                    unsigned int offset = 41U + min(110U, (unsigned int)txin.scriptSig.size());
+                    if (nTxSizeMod > offset)
+                        nTxSizeMod -= offset;
+                }
+                dPriority /= nTxSizeMod;
 
                 // Check that enough fee is included
                 int64 nPayFee = nTransactionFee * (1 + (int64)nBytes / 1000);