From fc1180bc6c2a97624a7ac2684dce047dc2fb3200 Mon Sep 17 00:00:00 2001
From: Thomas Winget <tewinget@gmail.com>
Date: Fri, 13 Jun 2014 14:05:15 -0400
Subject: Added comments to wallet functions

---
 src/wallet/wallet2.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

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

diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index a63eb4be7..fb4673f00 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -630,10 +630,17 @@ namespace
   }
 }
 //----------------------------------------------------------------------------------------------------
+// Select random input sources for transaction.
+// returns:
+//    direct return: amount of money found
+//    modified reference: selected_transfers, a list of iterators/indices of input sources
 uint64_t wallet2::select_transfers(uint64_t needed_money, bool add_dust, uint64_t dust, std::list<transfer_container::iterator>& selected_transfers)
 {
   std::vector<size_t> unused_transfers_indices;
   std::vector<size_t> unused_dust_indices;
+
+  // aggregate sources available for transfers
+  // if dust needed, take dust from only one source (so require source has at least dust amount)
   for (size_t i = 0; i < m_transfers.size(); ++i)
   {
     const transfer_details& td = m_transfers[i];
-- 
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