store contacts and invoices in wallet file. fix #1482

lib/util.py

@@ -622,37 +622,6 @@ class QueuePipe:
 
 
 
-class StoreDict(dict):
-
-    def __init__(self, config, name):
-        self.config = config
-        self.path = os.path.join(self.config.path, name)
-        self.load()
-
-    def load(self):
-        try:
-            with open(self.path, 'r') as f:
-                self.update(json.loads(f.read()))
-        except:
-            pass
-
-    def save(self):
-        with open(self.path, 'w') as f:
-            s = json.dumps(self, indent=4, sort_keys=True)
-            r = f.write(s)
-
-    def __setitem__(self, key, value):
-        dict.__setitem__(self, key, value)
-        self.save()
-
-    def pop(self, key):
-        if key in self.keys():
-            dict.pop(self, key)
-            self.save()
-
-
-
-
 def check_www_dir(rdir):
     import urllib, urlparse, shutil, os
     if not os.path.exists(rdir):