Feature/check currency in import validation (#538)

* Check currency in import validation (avoid importing transactions in wrong currency)

* Update changelog

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleasd
 
+### Added
+
+- Extended the validation in the import functionality for transactions by checking the currency of the data provider service
+
 ### Changed
 
 - Removed the default transactions import limit

apps/api/src/app/import/import.service.ts

@@ -104,6 +104,12 @@ export class ImportService {
           `orders.${index}.symbol ("${symbol}") is not valid for the specified data source ("${dataSource}")`
         );
       }
+
+      if (result[symbol].currency !== currency) {
+        throw new Error(
+          `orders.${index}.currency ("${currency}") does not match with "${result[symbol].currency}"`
+        );
+      }
     }
   }
 }

test/import/invalid-currency.csv

@@ -0,0 +1,2 @@
+Date,Code,Currency,Price,Quantity,Action,Fee
+12/12/2021,BTC,EUR,44558.42,1,buy,0