From 2bf029be172a47ace8134143e1320fdb10d3ea44 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Sat, 28 Jan 2017 15:07:15 +0000
Subject: [PATCH] wallet2: fix corner case failing to send a second output

If a rct transaction can be made with just one input, a second
output will be added. This output will be the smallest amount
output available. However, if this output is a non rct output
with less available fake outs than requested, the transaction
will be rejected. We now check the histogram to only consider
outputs with enough available fake outs in the first place.
---
 src/wallet/wallet2.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 4348b8a6..cc12f275 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -4119,7 +4119,8 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
   THROW_WALLET_EXCEPTION_IF(needed_money == 0, error::zero_destination);
 
   // gather all our dust and non dust outputs
-  for (size_t i = 0; i < m_transfers.size(); ++i)
+  const std::vector<size_t> unused_indices = select_available_outputs_from_histogram(fake_outs_count + 1, true, true, trusted_daemon);
+  for (size_t i: unused_indices)
   {
     const transfer_details& td = m_transfers[i];
     if (!td.m_spent && (use_rct ? true : !td.is_rct()) && is_transfer_unlocked(td))