def pair_get_assets(pair: TradePair) -> Tuple[Asset, Asset]:
"""Returns a tuple with the (base, quote) assets
May raise:
- UnprocessableTradePair
- UnknownAsset
"""
base_str, quote_str = _split_pair(pair)
base_asset = get_asset_by_symbol(base_str)
if base_asset is None:
raise UnknownAsset(base_str)
quote_asset = get_asset_by_symbol(quote_str)
if quote_asset is None:
raise UnknownAsset(quote_str)
return base_asset, quote_asset
def get_gitcoin_asset(symbol: str, token_address: str) -> Asset:
"""At the moment gitcoin keeps a symbol for the asset so mapping to asset can be ambiguous
May raise:
- UnknownAsset
"""
if token_address != NO_ADDRESS:
try:
return EthereumToken(to_checksum_address(token_address))
except (UnknownAsset, ValueError):
pass # let's try by symbol
asset = get_asset_by_symbol(symbol)
if asset is None:
raise UnknownAsset(symbol)
return asset
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.
This method can raise DeserializationError
"""
if protocol_name == 'PoolTogether':
result = _handle_pooltogether(normalized_balance, token_name)
if result is not None:
return result
asset = get_asset_by_symbol(token_symbol)
if asset is None:
return None
token = EthereumToken.from_asset(asset)
if token is None:
return None
underlying_asset_price = get_underlying_asset_price(token)
usd_price = handle_defi_price_query(self.ethereum, token,
underlying_asset_price)
if usd_price is None:
return None
return DefiBalance(
token_address=deserialize_ethereum_address(token_address),
token_name=token_name,
token_symbol=token_symbol,
balance=Balance(amount=normalized_balance,
usd_value=normalized_balance * usd_price),
)
def _consume_grant_entry(self, entry: Dict[str,
Any]) -> Optional[LedgerAction]:
"""
Consumes a grant entry from the CSV and turns it into a LedgerAction
May raise:
- DeserializationError
- KeyError
- UnknownAsset
"""
if entry['Type'] != 'grant':
return None
timestamp = deserialize_timestamp_from_date(
date=entry['date'],
formatstr='%Y-%m-%dT%H:%M:%S',
location='Gitcoin CSV',
skip_milliseconds=True,
)
usd_value = deserialize_asset_amount(entry['Value In USD'])
asset = get_asset_by_symbol(entry['token_name'])
if asset is None:
raise UnknownAsset(entry['token_name'])
token_amount = deserialize_asset_amount(entry['token_value'])
if token_amount == ZERO: # try to make up for https://github.com/gitcoinco/web/issues/9213
price = query_usd_price_zero_if_error(
asset=asset,
time=timestamp,
location=f'Gitcoin CSV entry {entry["txid"]}',
msg_aggregator=self.db.msg_aggregator,
)
if price == ZERO:
self.db.msg_aggregator.add_warning(
f'Could not process gitcoin grant entry at {entry["date"]} for {asset.symbol} '
f'due to amount being zero and inability to find price. Skipping.',
)
return None
# calculate the amount from price and value
token_amount = usd_value / price # type: ignore
match = self.grantid_re.search(entry['url'])
if match is None:
self.db.msg_aggregator.add_warning(
f'Could not process gitcoin grant entry at {entry["date"]} for {asset.symbol} '
f'due to inability to read grant id. Skipping.', )
return None
grant_id = int(match.group(1))
rate = Price(usd_value / token_amount)
raw_txid = entry['txid']
tx_type, tx_id = process_gitcoin_txid(key='txid', entry=entry)
return LedgerAction(
identifier=1, # whatever does not go in the DB
timestamp=timestamp,
action_type=LedgerActionType.DONATION_RECEIVED,
location=Location.GITCOIN,
amount=token_amount,
asset=asset,
rate=rate,
rate_asset=A_USD, # let's use the rate gitcoin calculated
link=raw_txid,
notes=f'Gitcoin grant {grant_id} event',
extra_data=GitcoinEventData(
tx_id=tx_id,
grant_id=grant_id,
clr_round=None, # can't get round from CSV
tx_type=tx_type,
),
)