feat(transaction): Refactoring to allow up to 20 TXIDs per call

test/unit/mocks/use-cases/index.js

@@ -38,6 +38,13 @@ class BCH {
       status: 200
     }
   }
+
+  async getTxData(rpcData) {
+    return {
+      success: true,
+      status: 200
+    }
+  }
 }
 
 class UseCasesMock {