edit ttl for prevent double spend (#1589)

diff --git a/api/transact.go b/api/transact.go
index 3dcad4c..a503e39 100644 (file)
--- a/api/transact.go
+++ b/api/transact.go
@@ -21,7 +21,7 @@ import (
 )
 
 var (
-       defaultTxTTL    = 5 * time.Minute
+       defaultTxTTL    = 30 * time.Minute
        defaultBaseRate = float64(100000)
        flexibleGas     = int64(1800)
 )