docs: def setupTxns(self, key, force: bool = False):
          """
          Create base transactions
  
          :param key: ledger
          :param force: replace existing transaction files
          """
          import data
          dataDir = os.path.dirname(data.__file__)
  
          # TODO: Need to get "test" and "live" from ENVS property in config.py
          # but that gives error due to some dependency issue
          allEnvs = {
              "local": Environment("pool_transactions_local",
                                   "domain_transactions_local"),
              "test": Environment("pool_transactions_sandbox",
                                  "domain_transactions_sandbox"),
              "live": Environment("pool_transactions_live",
                                  "domain_transactions_live")
          }
          for env in allEnvs.values():
              fileName = getattr(env, key, None)
              if not fileName:
                  continue
              sourceFilePath = os.path.join(dataDir, fileName)
              if not os.path.exists(sourceFilePath):
                  continue
              destFilePath = os.path.join(
                  self.base_dir, genesis_txn_file(fileName))
              if os.path.exists(destFilePath) and not force:
                  continue
              copyfile(sourceFilePath, destFilePath)
  
          return self