def main():
# initializing csv builder to hold block hashes
cb = CsvBuilder("output.csv")
# initializing entites to share generated chain
cm = ChainMediator()
doctor = Doctor(cm)
pharmacy = Pharmacy(cm)
doctor.init_blockchain()
while True:
print("Options:")
print("[1] Doctor: Write a prescription")
print("[2] Doctor: View the blockchain (encrypted)")
print("[3] Pharmacist: Fill a prescription (decrypted)")
print("[4] Corrupt the blockchain")
print("[5] Validate the blockchain")
print("[6] Output blockchain hashes to CSV")
print("[7] Clear blockchain hash CSV")
print("[quit] exit program")
decision = str(input())
if decision == "quit":
break
# Doctor: Write a prescription (add a block to the chain)
elif decision == "1":
print("How many prescriptions (blocks) would you like to write? ")
num_blocks = int(input())
for i in range(num_blocks):
doctor.add_block()
# Doctor: View the blockchain (encrypted)
elif decision == "2":
doctor.print_chain()
# Pharmacist: Fill a prescription (decrypted)
elif decision == "3":
pharmacy.decrypt_chain()
# Corrupt the blockchain
elif decision == "4":
pharmacy.corrupt_block(1)
# Validate the blockchain
elif decision == "5":
if(cm.validate_chain(pharmacy.BlockChain)):
print("Blockchain is valid")
else:
print("BlockChain Corrupt. Resetting all blocks to Good Chain.")
cm.fix_corrupt_chains()
# write blockchain hashes to csv
elif decision == "6":
cb.write_to_csv()
print("Output to",cb.file_path,"complete.")
# clear hash csv file
elif decision == "7":
cb.clear_csv()
print(cb.file_path,"cleared.")
else:
print("Please enter one of the valid options.")
def main():
# outputting hashes to CSV for analysis
cb = CsvBuilder("output.csv")
print(
"would you like to clear the csv output file, before taking in the next list of hashes? Y/N: "
)
choice = str(input())
if choice == "Y" or choice == "y":
cb.clear_csv()
# initializing entites to share generated chain
cm = ChainMediator()
doctor = Doctor(cm)
pharmacy = Pharmacy(cm)
doctor.add_block(genesis_block())
while True:
print("Options:")
print("[1] Doctor: Write a prescription")
print("[2] Doctor: View the blockchain (encrypted)")
print("[3] Pharmacist: Fill a prescription (decrypted)")
print("[4] Corrupt the blockchain")
print("[5] Validate the blockchain")
print("[6] Output blockchain to CSV")
print("[quit] exit program")
decision = str(input(""))
if decision == "quit":
sys.exit()
elif decision == "1":
"""
Doctor: Write a prescription
Add a block to the chain
"""
print("How many prescriptions (blocks) would you like to write? ")
num_blocks = int(input())
for i in range(1, num_blocks + 1):
new_block = next_block(doctor.BlockChain[i - 1])
doctor.add_block(new_block)
cb.add_data(str(new_block.hash))
elif decision == "2":
"""
Doctor: View the blockchain (encrypted)
View an encrypted version of the blockchain
"""
doctor.print_chain()
elif decision == "3":
"""
Pharmacist: Fill a prescription (decrypted)
"""
pharmacy.print_chain()
elif decision == "4":
"""
Corrupt the blockchain
"""
doctor.BlockChain[1].timestamp = str(date.datetime.now())
pharmacy.BlockChain[1].timestamp = str(date.datetime.now())
print("Blockchain corrupted.")
elif decision == "5":
"""
Validate the blockchain
"""
i = 0
for sub in cm.Subscribers:
if (cm.validate_chain(sub.BlockChain)):
i += 1
else:
print(
"Blockchain is invalid. Delete cascading through depending blocks."
)
"""
###########################################
Do all the crazy delete things/restore to moderator's goodchain version
###########################################
"""
if (i == len(cm.Subscribers)):
print("Blockchain validated.")
elif decision == "6":
cb.write_to_csv()
print("Output complete.")
else:
print("Please enter one of the valid options.")
