Create a function to get all valid bank details

handler/markets.py

@@ -166,6 +166,19 @@ class Markets(util.Base):
                         if asset == filter_asset:
                             yield (asset, countrycode, currency, provider)
 
+    def get_valid_account_details(self):
+        currencies = self.sinks.currencies
+        account_info = self.sinks.account_info
+        all_currencies = self.get_all_currencies()
+        supported_currencies = [currency for currency in currencies if currency in all_currencies]
+        currency_account_info_map = {}
+        for currency in supported_currencies:
+            for bank, accounts in account_info.items():
+                for account in accounts:
+                    if account["currency"] == currency:
+                        currency_account_info_map[currency] = account["account_number"]
+        return (supported_currencies, currency_account_info_map)
+
     def distribute_account_details(self, currencies=None, account_info=None):
         """
         Distribute account details for ads.