def __init__(self, branch, minor_block_hash, tx_list):
    self.branch = branch
    self.minor_block_hash = minor_block_hash
    self.tx_list = tx_list
def __init__(self, branch, minor_block_hash, tx_list):
    self.branch = branch
    self.minor_block_hash = minor_block_hash
    self.tx_list = tx_list