code: def _fulfillment_to_details(fulfillment):
      
  
      if fulfillment.type_name == 'ed25519-sha-256':
          return {
              'type': 'ed25519-sha-256',
              'public_key': base58.b58encode(fulfillment.public_key).decode(),
          }
  
      if fulfillment.type_name == 'threshold-sha-256':
          subconditions = [
              _fulfillment_to_details(cond['body'])
              for cond in fulfillment.subconditions
          ]
          return {
              'type': 'threshold-sha-256',
              'threshold': fulfillment.threshold,
              'subconditions': subconditions,
          }
  
      raise UnsupportedTypeError(fulfillment.type_name)
docs: Encode a fulfillment as a details dictionary
  
      Args:
          fulfillment: Crypto-conditions Fulfillment object