def get(self, configuration_file_name):
configuration_file = RaidenConfigurationFile.get_by_filename(
configuration_file_name)
self.render("account.html", configuration_file=configuration_file)
def get(self, configuration_file_name):
configuration_file = RaidenConfigurationFile.get_by_filename(
configuration_file_name)
self.render("funding_select_method.html",
configuration_file=configuration_file)
def _run_swap(self, **kw):
try:
configuration_file_name = kw.get("configuration_file_name")
exchange_name = kw["exchange"]
token_amount = kw["amount"]
token_ticker = kw["token"]
except (ValueError, KeyError, TypeError) as exc:
self._send_error_message(f"Invalid request: {exc}")
return
try:
configuration_file = RaidenConfigurationFile.get_by_filename(
configuration_file_name)
network_name = configuration_file.network.name
form = TokenExchangeForm({
"network": [network_name],
"exchange": [exchange_name],
"token_amount": [token_amount],
"token_ticker": [token_ticker],
})
if form.validate():
account = configuration_file.account
w3 = make_web3_provider(
configuration_file.ethereum_client_rpc_endpoint, account)
token = Erc20Token.find_by_ticker(form.data["token_ticker"],
network_name)
token_amount = TokenAmount(Wei(form.data["token_amount"]),
token)
exchange = Exchange.get_by_name(form.data["exchange"])(w3=w3)
self._send_status_update(f"Starting swap at {exchange.name}")
costs = exchange.calculate_transaction_costs(
token_amount, account)
needed_funds = costs["total"]
exchange_rate = costs["exchange_rate"]
current_balance = account.get_ethereum_balance(w3)
if needed_funds > current_balance:
raise ValueError((
f"Not enough ETH. {current_balance.formatted} available, but "
f"{needed_funds.formatted} needed"))
self._send_status_update(
(f"Best exchange rate found at {exchange.name}: "
f"{exchange_rate.formatted} / {token_amount.ticker}"))
self._send_status_update(
f"Trying to acquire up to {token_amount.formatted} at this rate"
)
self._send_status_update(
f"Estimated costs: {needed_funds.formatted}")
exchange.buy_tokens(account, token_amount)
token_balance = get_token_balance(w3, account, token)
self._send_status_update(
f"Swap complete. {token_balance.formatted} available")
self._send_redirect(
self.reverse_url("launch", configuration_file.file_name))
else:
for key, error_list in form.errors.items():
error_message = f"{key}: {'/'.join(error_list)}"
self._send_error_message(error_message)
except (json.decoder.JSONDecodeError, KeyError, ExchangeError,
ValueError) as exc:
self._send_error_message(str(exc))
def get(self):
if not RaidenConfigurationFile.list_existing_files():
raise HTTPError(404)
self.render("configuration_list.html")
def test_cannot_get_config_for_different_settings(self):
self.configuration_file.save()
settings = load_settings("mainnet")
all_configs = RaidenConfigurationFile.get_available_configurations(
settings)
self.assertEqual(len(all_configs), 0)
def tearDown(self):
for config in RaidenConfigurationFile.get_available_configurations(
self.settings):
config.path.unlink()
self.account.keystore_file_path.unlink()
def test_can_create_configuration(self):
self.configuration_file.save()
all_configs = RaidenConfigurationFile.get_available_configurations(
self.settings)
self.assertEqual(len(all_configs), 1)
def test_cannot_get_by_not_existing_filename(self):
with self.assertRaises(ValueError):
RaidenConfigurationFile.get_by_filename("invalid")
def _run_funding(self, **kw):
try:
configuration_file_name = kw.get("configuration_file_name")
configuration_file = RaidenConfigurationFile.get_by_filename(
configuration_file_name)
except Exception as exc:
self._send_error_message(str(exc))
return
network = configuration_file.network
if not network.FAUCET_AVAILABLE:
self._send_error_message(
f"Can not run automatic funding for {network.capitalized_name}"
)
return
account = configuration_file.account
try_unlock(account)
if account.passphrase is None:
self._send_error_message(
"Failed to unlock account! Please reload page")
return
w3 = make_web3_provider(
configuration_file.ethereum_client_rpc_endpoint, account)
self._send_status_update(
f"Obtaining {network.capitalized_name} ETH through faucet")
network.fund(account)
balance = account.wait_for_ethereum_funds(
w3=w3, expected_amount=EthereumAmount(0.01))
self._send_status_update(f"Account funded with {balance.formatted}")
service_token = Erc20Token.find_by_ticker(
self.installer_settings.service_token.ticker,
self.installer_settings.network)
if self.installer_settings.service_token.mintable:
self._send_next_step(
f"Minting {service_token.ticker}",
f"Fund Account with {service_token.ticker}",
3,
)
tx_hash = mint_tokens(w3, account, service_token)
wait_for_transaction(w3, tx_hash)
service_token_balance = get_token_balance(w3, account, service_token)
if service_token_balance.as_wei > 0:
self._deposit_to_udc(w3, account, service_token,
service_token_balance)
if self.installer_settings.transfer_token.mintable:
transfer_token = Erc20Token.find_by_ticker(
self.installer_settings.transfer_token.ticker,
self.installer_settings.network)
self._send_next_step(
f"Minting {transfer_token.ticker}",
f"Fund Account with {transfer_token.ticker}",
4,
)
tx_hash = mint_tokens(w3, account, transfer_token)
wait_for_transaction(w3, tx_hash)
self._send_redirect(self.reverse_url("launch",
configuration_file_name))
def get(self, configuration_file_name, keystore_filename):
configuration_file = RaidenConfigurationFile.get_by_filename(
configuration_file_name)
keystore_path = configuration_file.configuration_data["keystore-path"]
self.render(f"{keystore_path}/{keystore_filename}")
def get(self):
self.render_json([
self.reverse_url("api-configuration-detail", os.path.basename(f))
for f in RaidenConfigurationFile.list_existing_files()
])
def _run_swap(self, **kw):
try:
configuration_file_name = kw.get("configuration_file_name")
exchange_name = kw["exchange"]
token_amount = kw["amount"]
token_ticker = kw["token"]
except (ValueError, KeyError, TypeError) as exc:
self._send_error_message(f"Invalid request: {exc}")
return
try:
configuration_file = RaidenConfigurationFile.get_by_filename(
configuration_file_name)
network_name = configuration_file.network.name
form = TokenExchangeForm({
"network": [network_name],
"exchange": [exchange_name],
"token_amount": [token_amount],
"token_ticker": [token_ticker],
})
if form.validate():
account = configuration_file.account
try_unlock(account)
w3 = make_web3_provider(
configuration_file.ethereum_client_rpc_endpoint, account)
token = Erc20Token.find_by_ticker(form.data["token_ticker"],
network_name)
token_amount = TokenAmount(Wei(form.data["token_amount"]),
token)
exchange = Exchange.get_by_name(form.data["exchange"])(w3=w3)
self._send_status_update(f"Starting swap at {exchange.name}")
costs = exchange.calculate_transaction_costs(
token_amount, account)
needed_funds = costs["total"]
exchange_rate = costs["exchange_rate"]
balance_before_swap = account.get_ethereum_balance(w3)
if needed_funds > balance_before_swap:
raise ValueError((
f"Not enough ETH. {balance_before_swap.formatted} available, but "
f"{needed_funds.formatted} needed"))
self._send_status_update(
(f"Best exchange rate found at {exchange.name}: "
f"{exchange_rate} / {token_amount.ticker}"))
self._send_status_update(
f"Trying to acquire {token_amount} at this rate")
transaction_receipt = exchange.buy_tokens(
account, token_amount, costs)
wait_for_transaction(w3, transaction_receipt)
token_balance = get_token_balance(w3, account, token)
balance_after_swap = account.get_ethereum_balance(w3)
actual_total_costs = balance_before_swap - balance_after_swap
self._send_status_update(
f"Swap complete. {token_balance.formatted} available")
self._send_status_update(f"Actual costs: {actual_total_costs}")
required = RequiredAmounts.for_network(network_name)
service_token = Erc20Token.find_by_ticker(
required.service_token.ticker, network_name)
service_token_balance = get_token_balance(
w3, account, service_token)
total_service_token_balance = get_total_token_owned(
w3, account, service_token)
transfer_token = Erc20Token.find_by_ticker(
required.transfer_token.ticker, network_name)
transfer_token_balance = get_token_balance(
w3, account, transfer_token)
if total_service_token_balance < required.service_token:
raise ExchangeError("Exchange was not successful")
elif service_token_balance.as_wei > 0:
self._send_status_update(
f"Making deposit of {service_token_balance.formatted} to the "
"User Deposit Contract")
self._send_status_update(f"This might take a few minutes")
transaction_receipt = deposit_service_tokens(
w3=w3,
account=account,
token=service_token,
amount=service_token_balance.as_wei,
)
wait_for_transaction(w3, transaction_receipt)
service_token_deposited = get_token_deposit(
w3=w3, account=account, token=service_token)
self._send_status_update(
f"Total amount deposited at UDC: {service_token_deposited.formatted}"
)
if transfer_token_balance < required.transfer_token:
redirect_url = self.reverse_url(
"swap", configuration_file.file_name,
transfer_token.ticker)
next_page = "Moving on to exchanging DAI ..."
else:
redirect_url = self.reverse_url(
"launch", configuration_file.file_name)
next_page = "You are ready to launch Raiden! ..."
self._send_summary(
["Congratulations! Swap Successful!", next_page],
icon=token_ticker)
time.sleep(5)
self._send_redirect(redirect_url)
else:
for key, error_list in form.errors.items():
error_message = f"{key}: {'/'.join(error_list)}"
self._send_error_message(error_message)
except (json.decoder.JSONDecodeError, KeyError, ExchangeError,
ValueError) as exc:
self._send_error_message(str(exc))
redirect_url = self.reverse_url("swap",
configuration_file.file_name,
token_ticker)
next_page = f"Try again to exchange {token_ticker}..."
self._send_summary(["Transaction failed",
str(exc), next_page],
icon="error")
time.sleep(5)
self._send_redirect(redirect_url)
def _run_swap(self, **kw):
try:
configuration_file_name = kw.get("configuration_file_name")
exchange_name = kw["exchange"]
token_amount = kw["amount"]
token_ticker = kw["token"]
except (ValueError, KeyError, TypeError) as exc:
self._send_error_message(f"Invalid request: {exc}")
return
try:
configuration_file = RaidenConfigurationFile.get_by_filename(
configuration_file_name)
network_name = configuration_file.network.name
form = TokenExchangeForm({
"network": [network_name],
"exchange": [exchange_name],
"token_amount": [token_amount],
"token_ticker": [token_ticker],
})
if form.validate():
account = configuration_file.account
try_unlock(account)
w3 = make_web3_provider(
configuration_file.ethereum_client_rpc_endpoint, account)
token = Erc20Token.find_by_ticker(form.data["token_ticker"],
network_name)
token_amount = TokenAmount(Wei(form.data["token_amount"]),
token)
exchange = Exchange.get_by_name(form.data["exchange"])(w3=w3)
self._send_status_update(f"Starting swap at {exchange.name}")
costs = exchange.calculate_transaction_costs(
token_amount, account)
needed_funds = costs["total"]
exchange_rate = costs["exchange_rate"]
balance_before_swap = account.get_ethereum_balance(w3)
if needed_funds > balance_before_swap:
raise ValueError((
f"Not enough ETH. {balance_before_swap.formatted} available, but "
f"{needed_funds.formatted} needed"))
self._send_status_update(
(f"Best exchange rate found at {exchange.name}: "
f"{exchange_rate} / {token_amount.ticker}"))
self._send_status_update(
f"Trying to acquire {token_amount} at this rate")
tx_hash = exchange.buy_tokens(account, token_amount, costs)
wait_for_transaction(w3, tx_hash)
token_balance = get_token_balance(w3, account, token)
balance_after_swap = account.get_ethereum_balance(w3)
actual_total_costs = balance_before_swap - balance_after_swap
self._send_status_update(
f"Swap complete. {token_balance.formatted} available")
self._send_status_update(f"Actual costs: {actual_total_costs}")
required = RequiredAmounts.from_settings(
self.installer_settings)
service_token = Erc20Token.find_by_ticker(
required.service_token.ticker, network_name)
service_token_balance = get_token_balance(
w3, account, service_token)
total_service_token_balance = get_total_token_owned(
w3, account, service_token)
transfer_token = Erc20Token.find_by_ticker(
required.transfer_token.ticker, network_name)
transfer_token_balance = get_token_balance(
w3, account, transfer_token)
if total_service_token_balance < required.service_token:
raise ExchangeError("Exchange was not successful")
elif token_ticker == service_token.ticker and service_token_balance > required.service_token:
self._deposit_to_udc(w3, account, service_token,
service_token_balance)
self._redirect_transfer_swap(configuration_file,
transfer_token_balance, required)
else:
for key, error_list in form.errors.items():
error_message = f"{key}: {'/'.join(error_list)}"
self._send_error_message(error_message)
except (json.decoder.JSONDecodeError, KeyError, ExchangeError,
ValueError) as exc:
self._redirect_after_swap_error(exc, configuration_file.file_name,
token_ticker)
def tearDown(self):
for config in RaidenConfigurationFile.get_available_configurations():
config.passphrase_file_path.unlink()
config.path.unlink()
def get(self):
file_names = [os.path.basename(f) for f in RaidenConfigurationFile.list_existing_files()]
self.render("raiden_setup.html", configuration_file_names=file_names)
