Skip to content

Validate blockchain #80

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Kaqtus14 wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Validate blockchain #80

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
171f20e
Indent transactions
Kaqtus14 Aug 30, 2021
856a381
Validate blockchain
Kaqtus14 Sep 19, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 6 additions & 1 deletion simpleCoin/miner.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -174,9 +174,14 @@ def consensus(blockchain):


def validate_blockchain(block):
"""Validate the submitted chain. If hashes are not correct, return false
"""Validate the submitted chain. If hashes are not correct, return False
block(str): json
"""

for i in range(len(block)-1):
if not block[i].hash_block() == block[i+1].previous_hash:
return False

return True


Expand Down
5 changes: 3 additions & 2 deletions simpleCoin/wallet.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
import time
import base64
import ecdsa
import json


def wallet():
Expand Down Expand Up @@ -92,11 +93,11 @@ def check_transactions():
"""
try:
res = requests.get('http://localhost:5000/blocks')
print(res.text)
print(json.dumps(res.json(),indent=2))
except requests.ConnectionError:
print('Connection error. Make sure that you have run miner.py in another terminal.')



def generate_ECDSA_keys():
"""This function takes care of creating your private and public (your address) keys.
Expand Down