From e4cdc4da0fd49dd7fd4b53ecd8cbb6e94377c26f Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@gitorious>
Date: Wed, 6 Nov 2013 23:09:24 +0100
Subject: [PATCH] dust threshold

---
 lib/wallet.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/wallet.py b/lib/wallet.py
index 832439ab..26a95154 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -37,6 +37,7 @@ from transaction import Transaction
 from plugins import run_hook
 
 COINBASE_MATURITY = 100
+DUST_THRESHOLD = 5430
 
 # AES encryption
 EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))
@@ -1185,7 +1186,7 @@ class Wallet:
     def add_tx_change( self, inputs, outputs, amount, fee, total, change_addr=None):
         "add change to a transaction"
         change_amount = total - ( amount + fee )
-        if change_amount != 0:
+        if change_amount > DUST_THRESHOLD:
             if not change_addr:
 
                 # send change to one of the accounts involved in the tx