code: def get_unspents(address, bitcoind):
      
      assert BLOCKSTACK_TEST, 'get_unspents can only be used in test mode!'
  
      addresses = [address]
      
      min_confirmations = 0
      max_confirmation = 2000000000  # just a very large number for max
      unspents = bitcoind.listunspent(min_confirmations, max_confirmation, addresses)
  
      if BLOCKSTACK_TEST and len(unspents) == 0:
          try:
              bitcoind.importaddress(str(address))
              unspents = bitcoind.listunspent(min_confirmations, max_confirmation, addresses)
          except Exception as e:
              return format_unspents([])
  
      return format_unspents(unspents)
docs: Used for testing only!
  
      Get the spendable transaction outputs, also known as UTXOs or
      unspent transaction outputs.
  
      NOTE: this will only return unspents if the address provided is present
      in the bitcoind server.