From deeffaeb5cfe44cb8ab504472ea11d730922b09a Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Wed, 27 Dec 2017 12:22:42 +0000
Subject: [PATCH] blockchain: remove minor floating point usage

---
 src/cryptonote_core/blockchain.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 709c5e852..aa9469ee0 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -2933,7 +2933,7 @@ bool Blockchain::check_fee(size_t blob_size, uint64_t fee) const
   needed_fee += (blob_size % 1024) ? 1 : 0;
   needed_fee *= fee_per_kb;
 
-  if (fee < needed_fee * 0.98) // keep a little buffer on acceptance
+  if (fee < needed_fee - needed_fee / 50) // keep a little 2% buffer on acceptance - no integer overflow
   {
     MERROR_VER("transaction fee is not enough: " << print_money(fee) << ", minimum fee: " << print_money(needed_fee));
     return false;