X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=lib%2Ftemplate_registry.py;h=25dad09b45fc843ad1a9f757906c92ded0fb7881;hb=8249d473be2ba0ff109736ff7f87fad871332315;hp=e367d73428152e4b3001c0b40d2bc4b3fcea0391;hpb=adec2324c5f5a612a864453b7cd2cb5f17c5cfa8;p=stratum-mining.git

diff --git a/lib/template_registry.py b/lib/template_registry.py
index e367d73..25dad09 100644
--- a/lib/template_registry.py
+++ b/lib/template_registry.py
@@ -192,7 +192,12 @@ class TemplateRegistry(object):
         # Check nonce        
         if len(nonce) != 8:
             raise SubmitException("Incorrect size of nonce. Expected 8 chars")
-        
+
+        # normalize the case to prevent duplication of valid shares by the client
+        ntime = ntime.lower()
+        nonce = nonce.lower()
+        extranonce2 = extranonce2.lower()
+
         # Check for duplicated submit
         if not job.register_submit(extranonce1_bin, extranonce2, ntime, nonce):
             log.info("Duplicate from %s, (%s %s %s %s)" % \