def __init__(self, num_tx_per_shard, x_shard_percent, tx):
    self.num_tx_per_shard = num_tx_per_shard
    self.x_shard_percent = x_shard_percent
    self.tx = tx
def __init__(self, num_tx_per_shard, x_shard_percent, tx):
    self.num_tx_per_shard = num_tx_per_shard
    self.x_shard_percent = x_shard_percent
    self.tx = tx