def handle_protocols(
self,
protocol_name: str,
token_symbol: str,
normalized_balance: FVal,
token_address: str,
token_name: str,
) -> Optional[DefiBalance]:
"""Special handling for price for token/protocols which are easier to do onchain
or need some kind of special treatment.
"""
if protocol_name == 'PoolTogether':
result = _handle_pooltogether(normalized_balance, token_name)
if result is not None:
return result
underlying_asset_price = get_underlying_asset_price(token_symbol)
usd_price = handle_defi_price_query(self.ethereum, token_symbol,
underlying_asset_price)
if usd_price is None:
return None
return DefiBalance(
token_address=to_checksum_address(token_address),
token_name=token_name,
token_symbol=token_symbol,
balance=Balance(amount=normalized_balance,
usd_value=normalized_balance * usd_price),
)
def find_usd_price(asset: Asset) -> Price:
"""Returns the current USD price of the asset
Returns Price(ZERO) if all options have been exhausted and errors are logged in the logs
"""
if asset.identifier in SPECIAL_SYMBOLS:
ethereum = Inquirer()._ethereum
assert ethereum, 'Inquirer should never be called before the injection of ethereum'
underlying_asset_price = get_underlying_asset_price(
asset.identifier)
usd_price = handle_defi_price_query(
ethereum=ethereum,
token_symbol=asset.identifier,
underlying_asset_price=underlying_asset_price,
)
if usd_price is None:
return Price(ZERO)
return Price(usd_price)
try:
price = Inquirer()._cryptocompare_find_usd_price(asset)
except RemoteError:
price = Price(ZERO)
if price == Price(ZERO):
try:
price = Inquirer()._coingecko.simple_price(from_asset=asset,
to_asset=A_USD)
except RemoteError as e:
log.error(
f'Coingecko usd price query for {asset.identifier} failed due to {str(e)}',
)
price = Price(ZERO)
return price
def handle_protocols(
self,
token_symbol: str,
normalized_balance: FVal,
token_address: str,
token_name: str,
) -> Optional[DefiBalance]:
"""Special handling for price for token/protocols which are easier to do onchain"""
underlying_asset_price = get_underlying_asset_price(token_symbol)
usd_price = handle_defi_price_query(self.ethereum, token_symbol,
underlying_asset_price)
if usd_price is None:
return None
return DefiBalance(
token_address=to_checksum_address(token_address),
token_name=token_name,
token_symbol=token_symbol,
balance=Balance(amount=normalized_balance,
usd_value=normalized_balance * usd_price),
)
def find_usd_price(asset: Asset) -> Price:
"""Returns the current USD price of the asset
May raise:
- RemoteError if the cryptocompare query has a problem
"""
if asset.identifier in SPECIAL_SYMBOLS:
ethereum = Inquirer()._ethereum
assert ethereum, 'Inquirer should never be called before the injection of ethereum'
underlying_asset_price = get_underlying_asset_price(
asset.identifier)
usd_price = handle_defi_price_query(
ethereum=ethereum,
token_symbol=asset.identifier,
underlying_asset_price=underlying_asset_price,
)
if usd_price is None:
return Price(ZERO)
return Price(usd_price)
try:
result = Inquirer()._cryptocompare.query_endpoint_price(
from_asset=asset,
to_asset=A_USD,
)
except PriceQueryUnsupportedAsset:
log.error(
'Cryptocompare usd price for asset failed since it is not known to cryptocompare',
asset=asset,
)
return Price(ZERO)
if 'USD' not in result:
log.error('Cryptocompare usd price query failed', asset=asset)
return Price(ZERO)
price = Price(FVal(result['USD']))
log.debug('Got usd price from cryptocompare', asset=asset, price=price)
return price
