def sync(self):
"""Synchronize ORV address(wallet) on bitcoin blockchain with local database.
Normally runs be scheduler.
Step 1: Get wallet by address from database
Step 2: Check wallet balance via bitcoin client
Step 3: if balance changed - update it locally (otherwise just update updated_at field)
Step 4: if balance changed - trigger appropriate smart contract via ETH client
"""
addr = session.query(Address).filter_by(address=self.address).first()
if addr:
bclient = BitcoinClient()
blockchain_address = BTCAddress(bclient, self.address)
# TODO: Uncomment once on mainnet, checking mainnet address on dev-btc-node fails
# if not blockchain_address.is_valid():
# raise ValueError("bitcoin address %s is not valid in the blockchain" % self.address)
if int(os.environ['ETHEREUM_TESTRPC_ENABLED']) == 1:
balance = blockchain_address.balance('test')
# balance = blockchain_address.balance()
else:
balance = blockchain_address.balance()
transaction = None
if balance != addr.balance:
persisted_contract = ContractService.find('PricingStrategy')
if persisted_contract is None:
raise RuntimeError(
'PricingStrategy contract is not available in the database'
)
contract_address = persisted_contract.address
contract_abi = json.loads(persisted_contract.abi)
# TODO: Remove this hack once we get rid of testrpc
if int(os.environ['ETHEREUM_TESTRPC_ENABLED']) == 1:
executor_address = os.environ[
'ETHEREUM_TESTRPC_MASTER_ADDRESS']
eclient = EthereumClient('testrpc')
else:
executor_address = os.environ['ETHEREUM_CONTRACT_EXECUTOR']
eclient = EthereumClient()
contract = PricingStrategyContract(eclient, contract_abi,
contract_address)
transaction = contract.set_available_satoshi(
balance, executor_address)
addr.balance = balance
session.commit()
return transaction
else:
raise ValueError("bitcoin address %s not found in the database" %
self.address)
def email_login(email, password):
query = session.query(User).filter(User.email == email)
user = query.one_or_none()
if not user:
# Probably we could raise error here: e-mail not found
return None
hashed_password = User.encode_password(password)
if hashed_password == user.password_hash:
return user
return None
def check_for_updates(cls):
"""Spawn synchronization of each ORV bitcoin wallet
Runs periodically:
Step 1: Get all ORV wallets from database
Step 2: Spawn sync_orv() job for each wallet
"""
query = session.query(Address).filter(
Address.wallet_type == 'orv').order_by(Address.id)
addresses = query.all()
results = []
for item in addresses:
result = sync_orv_wallet.delay(item.address)
results.append(result)
return results
def check_for_updates(cls):
"""Spawn synchronization of each user bitcoin wallet
Runs periodically:
Step 1: Get all users bitcoin wallets
Step 2: Spawn sync_user_bitcoins() job for each wallet
"""
query = session.query(Address). \
filter(Address.wallet_type == 'user'). \
filter(Address.currency == 'bitcoin'). \
order_by(Address.id)
addresses = query.all()
results = []
for item in addresses:
result = sync_user_wallet.delay(item.address)
results.append(result)
return results
def find(name):
query = session.query(Contract).filter(Contract.name == name)
contract = query.one_or_none()
return contract
def update_password(self, password):
user = session.query(User).get(self.id)
user.password_hash = User.encode_password(password)
session.commit()
return user
def delete(self):
user = session.query(User).get(self.id)
session.delete(user)
session.commit()
def find(self):
user = session.query(User).get(self.id)
return user
def find_all():
query = session.query(User)
users = query.all()
return users
def sync(self):
"""Synchronize user address(wallet) on bitcoin blockchain with local database.
Normally runs by scheduler.
Step 1: Step 1: get wallet by address from database
Step 2: Check wallet balance via bitcoin client
Step 3: if balance > 0 - transfer all funds to ORV wallet
Step 4: if balance > 0 - trigger appropriate smart contract via ETH client
"""
addr = session.query(Address).filter_by(address=self.address).first()
if addr:
bclient = BitcoinClient()
blockchain_address = BTCAddress(bclient, self.address)
if not blockchain_address.is_valid():
raise ValueError(
"bitcoin address %s is not valid in the blockchain" %
self.address)
try:
balance = blockchain_address.balance()
if balance > 0:
to_address = os.environ['BITCOIN_ORV_WALLET']
# Send all money to ORV wallet
blockchain_address.send(to_address, balance)
# Step 1: get user of the address
# Step 2: get ethereum wallet of the user
# Step 3: Run contract transfer_to
user = addr.user
for user_address in user.addresses:
# Assuming user could have just one ethereum wallet
if user_address.currency == 'ethereum':
persisted_contract = ContractService.find(
'PricingStrategy')
if persisted_contract is None:
raise RuntimeError(
'PricingStrategy contract is not available in the database'
)
contract_address = persisted_contract.address
contract_abi = json.loads(persisted_contract.abi)
# TODO: Remove this hack once we get rid of testrpc
if int(os.environ['ETHEREUM_TESTRPC_ENABLED']
) == 1:
executor_address = os.environ[
'ETHEREUM_TESTRPC_MASTER_ADDRESS']
eclient = EthereumClient('testrpc')
else:
executor_address = os.environ[
'ETHEREUM_CONTRACT_EXECUTOR']
eclient = EthereumClient()
contract = PricingStrategyContract(
eclient, contract_abi, contract_address)
user_address = user_address.address
transaction = contract.transfer_to(
user_address, balance, executor_address)
# Update wallet status
addr.balance = 0
session.commit()
return transaction
except RuntimeError:
# This issue should not happen in production,
# just in dev/test where we create local accounts, but verify them on mainnet using blockexporer
print("bitcoin address %s does not exist, doing nothing" %
blockchain_address.public_key)
else:
raise ValueError("bitcoin address %s not found in the database" %
self.address)
