def broadcast(name_list, private_key, register_addr_list, consensus_hash, blockchain_client, fee, \
blockchain_broadcaster=None, subsidy_public_key=None, tx_only=False, testset=False):
"""
Builds and broadcasts a preorder transaction.
@subsidy_public_key: if given, the public part of the subsidy key
"""
if subsidy_public_key is not None:
# subsidizing, and only want the tx
tx_only = True
# sanity check
if subsidy_public_key is None and private_key is None:
raise Exception("Missing both client public and private key")
if blockchain_broadcaster is None:
blockchain_broadcaster = blockchain_client
from_address = None # change address
inputs = None
private_key_obj = None
script_pubkey = None # to be mixed into preorder hash
if subsidy_public_key is not None:
# subsidizing
pubk = BitcoinPublicKey( subsidy_public_key )
from_address = BitcoinPublicKey( subsidy_public_key ).address()
inputs = get_unspents( from_address, blockchain_client )
script_pubkey = get_script_pubkey( subsidy_public_key )
else:
# ordering directly
pubk = BitcoinPrivateKey( private_key ).public_key()
public_key = pubk.to_hex()
script_pubkey = get_script_pubkey( public_key )
# get inputs and from address using private key
private_key_obj, from_address, inputs = analyze_private_key(private_key, blockchain_client)
nulldata = build( name_list, script_pubkey, register_addr_list, consensus_hash, testset=testset)
outputs = make_outputs(nulldata, inputs, from_address, fee, format='hex')
if tx_only:
unsigned_tx = serialize_transaction( inputs, outputs )
return {"unsigned_tx": unsigned_tx}
else:
# serialize, sign, and broadcast the tx
response = serialize_sign_and_broadcast(inputs, outputs, private_key_obj, blockchain_client)
response.update({'data': nulldata})
return response
def get_address_from_pubkey(hex_pubkey):
""" get bitcoin address from pub key
"""
pubkey = BitcoinPublicKey(hex_pubkey)
return pubkey.address()
def __init__(self,
signing_key,
verifying_key,
challenge,
blockchain_id=None,
public_keychain=None,
chain_path=None,
crypto_backend=default_backend()):
""" signing_key should be provided in PEM format
verifying_key should be provided in compressed hex format
blockchainid should be a string
master_public_key should be an extended public key
chain_path should be a string
"""
self.bitcoin_private_key = BitcoinPrivateKey(signing_key,
compressed=True)
self.bitcoin_public_key = BitcoinPublicKey(verifying_key)
self.tokenizer = Tokenizer(crypto_backend=crypto_backend)
self.signing_key = signing_key
self.verifying_key = verifying_key
self.challenge = challenge
self.blockchain_id = blockchain_id
self.public_keychain = public_keychain
self.chain_path = chain_path
def setUp(self):
self.private_key_hex = str(PRIVATE_KEY)
self.public_key_hex = str(PUBLIC_KEY)
self.private_key = BitcoinPrivateKey(self.private_key_hex)
self.public_key = BitcoinPublicKey(self.public_key_hex)
self.profile = RYAN_PROFILE
self.username = '******'
self.sample_encoded_token = RESPONSE_SAMPLE_ENCODED_TOKEN
self.sample_decoded_token = RESPONSE_SAMPLE_DECODED_TOKEN
def setUp(self):
self.private_key_hex = str(PRIVATE_KEY)
self.public_key_hex = str(PUBLIC_KEY)
self.domain_name = 'localhost:3000'
self.private_key = BitcoinPrivateKey(self.private_key_hex)
self.public_key = BitcoinPublicKey(self.public_key_hex)
self.sample_encoded_token = REQUEST_SAMPLE_ENCODED_TOKEN
self.sample_decoded_token = REQUEST_SAMPLE_DECODED_TOKEN
self.maxDiff = None
def do_public_keys_match_issuer(token, tokenizer, decoded_token):
# extract the public key from the token
try:
payload = decoded_token['payload']
if not payload['public_keys']:
return not payload.get('iss', None)
if len(payload['public_keys']) != 1:
raise NotImplementedError('Multiple public keys are not supported')
address_from_pub_key = BitcoinPublicKey(str(payload['public_keys'][0])).address()
address_from_iss = get_address_from_did(payload['iss'])
return address_from_pub_key == address_from_iss
except (KeyError, ValueError):
traceback.print_exc()
return False
def do_signatures_match_public_keys(token, tokenizer, decoded_token):
# extract the public key from the token
try:
payload = decoded_token['payload']
if not payload['public_keys']:
return True
if len(payload['public_keys']) != 1:
raise NotImplementedError('Multiple public keys are not supported')
public_key = BitcoinPublicKey(str(payload['public_keys'][0]))
except KeyError:
traceback.print_exc()
return False
# return whether the token is verified/valid
return tokenizer.verify(token, public_key.to_pem())
def __init__(self, signing_key, verifying_key, issuing_domain,
permissions=[], crypto_backend=default_backend()):
""" signing_key should be provided in PEM format
verifying_key should be provided in compressed hex format
issuing_domain should be a valid domain
permissions should be a list
"""
validate_permissions(permissions)
self.bitcoin_private_key = BitcoinPrivateKey(signing_key, compressed=True)
self.bitcoin_public_key = BitcoinPublicKey(verifying_key)
self.tokenizer = Tokenizer(crypto_backend=crypto_backend)
self.issuing_domain = issuing_domain
self.permissions = permissions
self.signing_key = signing_key
self.verifying_key = verifying_key
def is_valid_jwt(cls, token, tokenizer):
# decode the token
try:
decoded_token = cls.decode(token)
except DecodeError:
traceback.print_exc()
return False
# extract the public key from the token
try:
payload = decoded_token['payload']
public_key_str = payload['issuer']['publicKey']
public_key = BitcoinPublicKey(str(public_key_str))
except KeyError:
traceback.print_exc()
return False
# return whether the token is verified/valid
return tokenizer.verify(token, public_key.to_pem())
def validate_token_record(token_record,
parent_public_key,
signing_algorithm='ES256'):
""" A function for validating an individual token record and extracting
the decoded token.
"""
if not ("token" in token_record and "publicKey" in token_record and \
"parentPublicKey" in token_record):
raise ValueError("Invalid token record")
token = token_record["token"]
public_key = BitcoinPublicKey(parent_public_key)
decoded_token = jwt.decode(token,
public_key.to_pem(),
algorithms=[signing_algorithm])
decoded_token = json.loads(json.dumps(decoded_token))
if "subject" not in decoded_token and "publicKey" not in decoded_token[
"subject"]:
raise ValueError("Invalid decoded token")
if "claim" not in decoded_token:
raise ValueError("Invalid decoded token")
if token_record["publicKey"] == token_record["parentPublicKey"]:
if token_record["publicKey"] != decoded_token["subject"]["publicKey"]:
raise ValueError("Token's public key doesn't match")
else:
raise ValueError(
"Verification of tokens signed with keychains is not yet supported"
)
return decoded_token
def broadcast(name,
destination_address,
keepdata,
consensus_hash,
private_key,
blockchain_client,
blockchain_broadcaster=None,
tx_only=False,
user_public_key=None,
testset=False):
# sanity check
pay_fee = True
if user_public_key is not None:
pay_fee = False
tx_only = True
if user_public_key is None and private_key is None:
raise Exception("Missing both public and private key")
if not tx_only and private_key is None:
raise Exception("Need private key for broadcasting")
if blockchain_broadcaster is None:
blockchain_broadcaster = blockchain_client
from_address = None
inputs = None
private_key_obj = None
if user_public_key is not None:
# subsidizing
pubk = BitcoinPublicKey(user_public_key)
from_address = pubk.address()
inputs = get_unspents(from_address, blockchain_client)
elif private_key is not None:
# ordering directly
pubk = BitcoinPrivateKey(private_key).public_key()
public_key = pubk.to_hex()
# get inputs and from address using private key
private_key_obj, from_address, inputs = analyze_private_key(
private_key, blockchain_client)
nulldata = build(name, keepdata, consensus_hash, testset=testset)
outputs = make_outputs(nulldata,
inputs,
destination_address,
from_address,
pay_fee=pay_fee,
format='hex')
if tx_only:
unsigned_tx = serialize_transaction(inputs, outputs)
return {"unsigned_tx": unsigned_tx}
else:
# serialize, sign, and broadcast the tx
response = serialize_sign_and_broadcast(inputs, outputs,
private_key_obj,
blockchain_broadcaster)
response.update({'data': nulldata})
return response
def broadcast(name,
data_hash,
consensus_hash,
private_key,
blockchain_client,
blockchain_broadcaster=None,
tx_only=False,
user_public_key=None,
testset=False):
"""
Write a name update into the blockchain.
Returns a JSON object with 'data' set to the nulldata and 'transaction_hash' set to the transaction hash on success.
"""
# sanity check
pay_fee = True
if user_public_key is not None:
pay_fee = False
tx_only = True
if user_public_key is None and private_key is None:
raise Exception("Missing both public and private key")
if not tx_only and private_key is None:
raise Exception("Need private key for broadcasting")
if blockchain_broadcaster is None:
blockchain_broadcaster = blockchain_client
from_address = None
inputs = None
private_key_obj = None
if user_public_key is not None:
# subsidizing
pubk = BitcoinPublicKey(user_public_key)
from_address = pubk.address()
# get inputs from utxo provider
inputs = get_unspents(from_address, blockchain_client)
elif private_key is not None:
# ordering directly
pubk = BitcoinPrivateKey(private_key).public_key()
public_key = pubk.to_hex()
# get inputs and from address using private key
private_key_obj, from_address, inputs = analyze_private_key(
private_key, blockchain_client)
nulldata = build(name,
consensus_hash,
data_hash=data_hash,
testset=testset)
outputs = make_outputs(nulldata, inputs, from_address, pay_fee=pay_fee)
if tx_only:
unsigned_tx = serialize_transaction(inputs, outputs)
return {'unsigned_tx': unsigned_tx}
else:
signed_tx = tx_serialize_and_sign(inputs, outputs, private_key_obj)
response = broadcast_transaction(signed_tx, blockchain_broadcaster)
response.update({'data': nulldata})
return response
def get_script_pubkey(public_key):
hash160 = BitcoinPublicKey(public_key).hash160()
script_pubkey = script_to_hex(
'OP_DUP OP_HASH160 %s OP_EQUALVERIFY OP_CHECKSIG' % hash160)
return script_pubkey
public_key = private_key.public_key()
public_key.to_hex()
#Test 2
#private key
from pybitcoin import BitcoinPrivateKey
from pybitcoin import BitcoinPublicKey
private_key = BitcoinPrivateKey()
private_key.to_hex()
private_key.to_wif()
#public key
public_key = private_key.public_key()
public_key.to_hex()
public_key_2 = BitcoinPublicKey(str(public_key.to_hex(), "utf-8")[1:])
print(public_key.to_hex() == public_key_2.to_hex())
#Test 3
#private key
from pybitcoin import BitcoinPrivateKey
from pybitcoin import BitcoinPublicKey
from pybitcoin import BlockcypherClient
private_key = BitcoinPrivateKey()
private_key.to_hex()
private_key.to_wif()
#insert from to hex below
private_key_2 = BitcoinPrivateKey('')
#public key
public_key = private_key.public_key()
balmap = pickle.load(output) # 'obj_dict' is a dict object
output = open('pickled_tmpmap.dat', 'rb')
tmpmap = pickle.load(output) # 'obj_dict' is a dict object
else:
if os.path.isfile("genesis.json") == False:
print "Downloading Genesis Block"
download_file()
save_file()
json_file = "genesis.json"
json_data = open(json_file)
data = json.load(json_data)
for x in data:
try:
addy = ""
pub = str(x["owner_pubkey"])
pbl = BitcoinPublicKey(pub)
tmpmap[pub] = pbl.address()
addy = tmpmap[pub]
if addy not in balmap:
balmap[addy] = 0
balmap[addy] += float(x["mir_amount"])
except Exception as e:
print e
output = open('pickled_tmpmap.dat', 'wb+')
pickle.dump(tmpmap, output)
output.close()
output = open('pickled_balmap.dat', 'wb+')
pickle.dump(balmap, output)