From 9e072a6e66efbda7d39bf61eded21d2b324323be Mon Sep 17 00:00:00 2001
From: Alex Morcos <morcos@chaincode.com>
Date: Fri, 12 Feb 2016 15:57:15 -0500
Subject: Implement "feefilter" P2P message.

The "feefilter" p2p message is used to inform other nodes of your mempool min fee which is the feerate that any new transaction must meet to be accepted to your mempool.  This will allow them to filter invs to you according to this feerate.
---
 src/txmempool.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/txmempool.cpp')

diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 088e5edde..52c779311 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -771,6 +771,16 @@ bool CTxMemPool::lookup(uint256 hash, CTransaction& result) const
     return true;
 }
 
+bool CTxMemPool::lookupFeeRate(const uint256& hash, CFeeRate& feeRate) const
+{
+    LOCK(cs);
+    indexed_transaction_set::const_iterator i = mapTx.find(hash);
+    if (i == mapTx.end())
+        return false;
+    feeRate = CFeeRate(i->GetFee(), i->GetTxSize());
+    return true;
+}
+
 CFeeRate CTxMemPool::estimateFee(int nBlocks) const
 {
     LOCK(cs);
-- 
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