2019-11-01 23:51:39 +01:00
|
|
|
#!/usr/bin/python3
|
|
|
|
|
|
|
|
|
|
"""Mini blockchain using Python."""
|
|
|
|
|
|
|
|
|
|
from blockchain import Blockchain
|
2019-11-03 10:04:12 +01:00
|
|
|
from transactions import mempool
|
2019-11-01 23:51:39 +01:00
|
|
|
|
|
|
|
|
|
|
|
|
|
def main():
|
|
|
|
|
"""main function"""
|
|
|
|
|
|
2019-11-03 10:04:12 +01:00
|
|
|
# prepare 100 transactions from the mempool for block structure
|
2019-11-01 23:51:39 +01:00
|
|
|
block_transactions = [mempool.pop(0) for i in range(3)]
|
|
|
|
|
|
|
|
|
|
my_blockchain = Blockchain()
|
|
|
|
|
my_blockchain.add_block(block_transactions)
|
|
|
|
|
|
|
|
|
|
# SUMMARY:
|
|
|
|
|
|
|
|
|
|
block_one_transactions = {"sender": "Alice", "receiver": "Bob", "amount": "50"}
|
|
|
|
|
block_two_transactions = {"sender": "Bob", "receiver": "Cole", "amount": "25"}
|
|
|
|
|
block_three_transactions = {"sender": "Alice", "receiver": "Cole", "amount": "35"}
|
|
|
|
|
fake_transactions = {"sender": "Bob", "receiver": "Cole, Alice", "amount": "25"}
|
|
|
|
|
|
|
|
|
|
local_blockchain = Blockchain()
|
|
|
|
|
local_blockchain.print_blocks()
|
|
|
|
|
local_blockchain.add_block(block_one_transactions)
|
|
|
|
|
local_blockchain.add_block(block_two_transactions)
|
|
|
|
|
local_blockchain.add_block(block_three_transactions)
|
|
|
|
|
local_blockchain.print_blocks()
|
|
|
|
|
local_blockchain.chain[2].transactions = fake_transactions
|
|
|
|
|
local_blockchain.validate_chain()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
|
|
main()
|
