From 557e27fd2150953ce175ec123013faddcabcccde Mon Sep 17 00:00:00 2001
From: Thomas Winget <tewinget@gmail.com>
Date: Thu, 2 Oct 2014 16:44:55 -0400
Subject: per kb fees

---
 src/wallet/wallet2.cpp | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'src/wallet/wallet2.cpp')

diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 5af9a71bd..31345879b 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -954,7 +954,22 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions(std::vector<crypto
       {
         cryptonote::transaction tx;
         pending_tx ptx;
-        transfer(dst_vector, fake_outs_count, unlock_time, fee, extra, tx, ptx);
+
+	// loop until fee is met without increasing tx size to next KB boundary.
+	uint64_t needed_fee = 0;
+	do
+	{
+	  transfer(dst_vector, fake_outs_count, unlock_time, fee, extra, tx, ptx);
+	  auto txBlob = t_serializable_object_to_blob(ptx.tx);
+	  uint64_t txSize = txBlob.size();
+	  uint64_t numKB = txSize / 1024;
+	  if (txSize % 1024)
+	  {
+	    numKB++;
+	  }
+	  needed_fee = numKB * FEE_PER_KB;
+	} while (ptx.fee < needed_fee);
+
         ptx_vector.push_back(ptx);
 
         // mark transfers to be used as "spent"
-- 
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