diff --git a/mytoncore/functions.py b/mytoncore/functions.py
index 2b654dc0..4ca0c3f0 100755
--- a/mytoncore/functions.py
+++ b/mytoncore/functions.py
@@ -347,12 +347,15 @@ def GetBlockTimeAvg(local, timediff):
 
 
 def Offers(local, ton):
-    saveOffers = ton.GetSaveOffers()
+    save_offers = ton.GetSaveOffers()
     offers = ton.GetOffers()
     for offer in offers:
-        offerHash = offer.get("hash")
-        if offerHash in saveOffers:
-            ton.VoteOffer(offerHash)
+        offer_hash = offer.get("hash")
+        if offer_hash in save_offers:
+            offer_pseudohash = offer.get("pseudohash")
+            save_offer_pseudohash = save_offers.get(offer_hash)
+            if offer_pseudohash == save_offer_pseudohash and offer_pseudohash is not None:
+                ton.VoteOffer(offer_hash)
 # end define
 
 
diff --git a/mytoncore/mytoncore.py b/mytoncore/mytoncore.py
index b515d01b..81fe2c8c 100644
--- a/mytoncore/mytoncore.py
+++ b/mytoncore/mytoncore.py
@@ -1307,7 +1307,10 @@ def GetStake(self, account, args=None):
 				stake = account.balance - 10
 		#end if
 
-		if stake is None and usePool:
+		pool_version = self.GetVersionFromCodeHash(account.codeHash)
+		is_single_nominator = 'spool' in pool_version
+
+		if stake is None and usePool and not is_single_nominator:
 			stake = account.balance - 20
 		if stake is None:
 			sp = stakePercent / 100
diff --git a/setup.py b/setup.py
index 26b16bd4..1d991cca 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
     package_data={
         'mytoninstaller.scripts': ['*.sh'],
         'mytoncore': [
-            'contracts/*', 
+            'contracts/**/*',
             'complaints/*'
         ],
         'mytonctrl': [