import sys
from Block import Block


def main():
    if len(sys.argv) == 4:
        block = Block(sys.argv[1], sys.argv[2], sys.argv[3])
    else:
        block = Block('from', 100, 'to_whom')
    block.block_creator()
    block.blockchain_checker()


if __name__ == '__main__':
    main()