def __init__(self):
    super().__init__()
    self.reject_code_received = None
    self.reject_reason_received = None
    self.block_store = {}
    self.last_block_hash = ''
    self.tx_store = {}
    self.getdata_requests = []
def __init__(self):
    super().__init__()
    self.reject_code_received = None
    self.reject_reason_received = None
    self.block_store = {}
    self.last_block_hash = 
    self.tx_store = {}
    self.getdata_requests = []