async def post(self):
key_or_wif = self.get_secure_cookie("key_or_wif")
if not key_or_wif and self.jwt.get('key_or_wif') != 'true':
return self.render_as_json({'error': 'not authorized'})
args = json.loads(self.request.body)
if not args.get('uid'):
return self.render_as_json({
"error": True,
"message": "no user account provided"
})
keyhash = hashlib.sha256(
TU.generate_deterministic_signature(
self.config, 'child_wallet').encode()).hexdigest()
exkey = BIP32Key.fromExtendedKey(self.config.xprv)
last_child_key = self.config.mongo.db.child_keys.find(
{'signature': keyhash}, sort=[('inc', -1)])
inc = last_child_key.count() + 1
key = exkey.ChildKey(inc)
child_key = BIP32Key.fromExtendedKey(key.ExtendedKey())
child_key = child_key.ChildKey(inc)
public_key = child_key.PublicKey().hex()
address = str(
P2PKHBitcoinAddress.from_pubkey(bytes.fromhex(public_key)))
private_key = child_key.PrivateKey().hex()
wif = self.to_wif(private_key)
await self.config.mongo.async_db.child_keys.insert_one({
'account':
args.get('uid'),
'inc':
inc,
'extended':
child_key.ExtendedKey(),
'public_key':
public_key,
'address':
address,
'private_key':
private_key,
'wif':
wif,
'signature':
keyhash
})
return self.render_as_json({"address": address})
def get_username_signature(self):
from yadacoin.core.transactionutils import TU
return TU.generate_deterministic_signature(self, self.username,
self.private_key)
