From 64ea408b388d754b4d1284ccfb06872f91be4d35 Mon Sep 17 00:00:00 2001
From: David Kajpust <kajpustd@gmail.com>
Date: Fri, 29 Jun 2018 11:50:32 -0400
Subject: [PATCH] fixed error for blank fee string

---
 client/context/helpers.go | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/client/context/helpers.go b/client/context/helpers.go
index b5d539fbd7..8cc85dfa4a 100644
--- a/client/context/helpers.go
+++ b/client/context/helpers.go
@@ -124,9 +124,14 @@ func (ctx CoreContext) SignAndBuild(name, passphrase string, msgs []sdk.Msg, cdc
 	accnum := ctx.AccountNumber
 	sequence := ctx.Sequence
 	memo := ctx.Memo
-	fee , err := sdk.ParseCoin(ctx.Fee)
-	if err != nil {
-		return nil, err
+
+	fee := sdk.Coin{}
+	if ctx.Fee != "" {
+		parsedFee, err := sdk.ParseCoin(ctx.Fee)
+		if err != nil {
+			return nil, err
+		}
+		fee = parsedFee
 	}
 
 	signMsg := auth.StdSignMsg{