Apply double-spend fix to hats.

files/routes/awards.py

@@ -65,19 +65,23 @@ def buy(v, award):
 	price = int(og_price * v.discount)
 
 	if request.values.get("mb"):
-		if v.procoins < price: return {"error": "Not enough marseybux."}, 400
+		if award == "grass":
-		if award == "grass": return {"error": "You can't buy the grass award with marseybux."}, 403
+			return {"error": "You can't buy the grass award with marseybux."}, 403
-		v.charge_account('procoins', price)
+
+		charged = v.charge_account('procoins', price)
+		if not charged:
+			return {"error": "Not enough marseybux."}, 400
 	else:
-		if v.coins < price: return {"error": "Not enough coins."}, 400
+		charged = v.charge_account('coins', price)
-		v.charge_account('coins', price)
+		if not charged:
+			return {"error": "Not enough coins."}, 400
+
 		v.coins_spent += price
 		if v.coins_spent >= 1000000:
 			badge_grant(badge_id=73, user=v)
 		elif v.coins_spent >= 500000:
 			badge_grant(badge_id=72, user=v)
 		elif v.coins_spent >= 250000:
-			
 			badge_grant(badge_id=71, user=v)
 		elif v.coins_spent >= 100000:
 			badge_grant(badge_id=70, user=v)

files/routes/hats.py

@@ -47,13 +47,17 @@ def buy_hat(v, hat_id):
 	if existing: return {"error": "You already own this hat!"}, 400
 
 	if request.values.get("mb"):
-		if v.procoins < hat.price: return {"error": "Not enough marseybux."}, 400
+		charged = v.charge_account('procoins', hat.price)
-		v.procoins -= hat.price
+		if not charged:
+			return {"error": "Not enough marseybux."}, 400
+
 		hat.author.procoins += hat.price * 0.1
 		currency = "marseybux"
 	else:
-		if v.coins < hat.price: return {"error": "Not enough coins."}, 400
+		charged = v.charge_account('coins', price)
-		v.coins -= hat.price
+		if not charged:
+			return {"error": "Not enough coins."}, 400
+
 		v.coins_spent_on_hats += hat.price
 		hat.author.coins += hat.price * 0.1
 		currency = "coins"