From 3ee01055edd15c843e663272593fccaf129595d4 Mon Sep 17 00:00:00 2001
From: Quentin Le Sceller <q.lesceller@gmail.com>
Date: Thu, 2 Aug 2018 12:05:38 -0400
Subject: [PATCH] Fixes #1299 -  Fails to send transaction when not enough
 funds for fee (#1311)

---
 wallet/src/libwallet/internal/selection.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/wallet/src/libwallet/internal/selection.rs b/wallet/src/libwallet/internal/selection.rs
index 701622688..4633f0ab4 100644
--- a/wallet/src/libwallet/internal/selection.rs
+++ b/wallet/src/libwallet/internal/selection.rs
@@ -258,8 +258,16 @@ where
 		})?;
 	}
 
-	// Check if we need to use a change address
-	if total > amount_with_fee {
+	// The amount with fee is more than the total values of our max outputs
+	if total < amount_with_fee && coins.len() == max_outputs {
+		return Err(ErrorKind::NotEnoughFunds {
+			available: total,
+			needed: amount_with_fee as u64,
+		})?;
+	}
+
+	// We need to add a change address or amount with fee is more than total
+	if total != amount_with_fee {
 		fee = tx_fee(coins.len(), 2, None);
 		amount_with_fee = amount + fee;