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"==2.3.4" + } + }, + "develop": {} +} diff --git a/simpleCoin/wallet.py b/simpleCoin/wallet.py index 7eeb992..2747b4d 100644 --- a/simpleCoin/wallet.py +++ b/simpleCoin/wallet.py @@ -18,24 +18,30 @@ node_pending_transactions list to avoid it get processed more than 1 time. """ -import requests -import time import base64 +import hashlib +import time + import ecdsa +import requests def wallet(): response = None while response not in ["1", "2", "3"]: - response = input("""What do you want to do? + response = input( + """What do you want to do? 1. Generate new wallet 2. Send coins to another wallet - 3. Check transactions\n""") + 3. Check transactions\n""" + ) if response == "1": # Generate new wallet - print("""=========================================\n + print( + """=========================================\n IMPORTANT: save this credentials or you won't be able to recover your wallet\n -=========================================\n""") +=========================================\n""" + ) generate_ECDSA_keys() elif response == "2": addr_from = input("From: introduce your wallet address (public key)\n") @@ -44,7 +50,11 @@ def wallet(): amount = input("Amount: number stating how much do you want to send\n") print("=========================================\n\n") print("Is everything correct?\n") - print("From: {0}\nPrivate Key: {1}\nTo: {2}\nAmount: {3}\n".format(addr_from, private_key, addr_to, amount)) + print( + "From: {0}\nPrivate Key: {1}\nTo: {2}\nAmount: {3}\n".format( + addr_from, private_key, addr_to, amount + ) + ) response = input("y/n\n") if response.lower() == "y": send_transaction(addr_from, private_key, addr_to, amount) @@ -67,12 +77,14 @@ def send_transaction(addr_from, private_key, addr_to, amount): if len(private_key) == 64: signature, message = sign_ECDSA_msg(private_key) - url = 'http://localhost:5000/txion' - payload = {"from": addr_from, - "to": addr_to, - "amount": amount, - "signature": signature.decode(), - "message": message} + url = "http://localhost:5000/txion" + payload = { + "from": addr_from, + "to": addr_to, + "amount": amount, + "signature": signature.decode(), + "message": message, + } headers = {"Content-Type": "application/json"} res = requests.post(url, json=payload, headers=headers) @@ -85,7 +97,7 @@ def check_transactions(): """Retrieve the entire blockchain. With this you can check your wallets balance. If the blockchain is to long, it may take some time to load. """ - res = requests.get('http://localhost:5000/blocks') + res = requests.get("http://localhost:5000/blocks") print(res.text) @@ -97,18 +109,42 @@ def generate_ECDSA_keys(): private_key: str public_ley: base64 (to make it shorter) """ - sk = ecdsa.SigningKey.generate(curve=ecdsa.SECP256k1) #this is your sign (private key) - private_key = sk.to_string().hex() #convert your private key to hex - vk = sk.get_verifying_key() #this is your verification key (public key) + sk = ecdsa.SigningKey.generate( + curve=ecdsa.SECP256k1 + ) # this is your sign (private key) + private_key = sk.to_string().hex() # convert your private key to hex + vk = sk.get_verifying_key() # this is your verification key (public key) public_key = vk.to_string().hex() - #we are going to encode the public key to make it shorter - public_key = base64.b64encode(bytes.fromhex(public_key)) + + # we are going to encode the public key to make it shorter + # public_key = base64.b64encode(bytes.fromhex(public_key)) + + # lets create an address from our public key that is easily readable and helps set apart for which chain + # our address is for. + prefix = "Sc1" # a short identifier that will go at the beginning of the address + addr = public_key[ + :38 + ] # take the first 38 bytes of the public key and use that for the "meat" of the address + checksum = ( + base64.b64encode(addr.encode())[:4].decode().lower() + ) # create a checksum to validate the authenticity of this address + + full_address = ( + f"{prefix}{addr}{checksum}" # put all the parts together for a complete address + ) + + print(f"Generated address: {full_address}. Length: {len(full_address)}") filename = input("Write the name of your new address: ") + ".txt" with open(filename, "w") as f: - f.write("Private key: {0}\nWallet address / Public key: {1}".format(private_key, public_key.decode())) + f.write( + "Private key: {0}\nPublic key: {1}\nWallet address: {2}".format( + private_key, public_key, full_address + ) + ) print("Your new address and private key are now in the file {0}".format(filename)) + def sign_ECDSA_msg(private_key): """Sign the message to be sent private_key: must be hex @@ -125,12 +161,14 @@ def sign_ECDSA_msg(private_key): return signature, message -if __name__ == '__main__': - print(""" =========================================\n +if __name__ == "__main__": + print( + """ =========================================\n SIMPLE COIN v1.0.0 - BLOCKCHAIN SYSTEM\n =========================================\n\n You can find more help at: https://github.com/cosme12/SimpleCoin\n Make sure you are using the latest version or you may end in - a parallel chain.\n\n\n""") + a parallel chain.\n\n\n""" + ) wallet() input("Press ENTER to exit...")