def query_btc_account_balance(account: BTCAddress) -> FVal:
"""Queries blockchain.info for the balance of account
May raise:
- InputError if the given account is not a valid BTC address
- RemotError if there is a problem querying blockchain.info
"""
try:
btc_resp = request_get_direct(
url='https://blockchain.info/q/addressbalance/%s' % account,
handle_429=True,
# If we get a 429 then their docs suggest 10 seconds
# https://blockchain.info/q
backoff_in_seconds=10,
)
except InvalidBTCAddress:
# TODO: Move this validation into our own code and before the balance query
raise InputError(
f'The given string {account} is not a valid BTC address')
except (requests.exceptions.ConnectionError,
UnableToDecryptRemoteData) as e:
raise RemoteError(
f'blockchain.info API request failed due to {str(e)}')
return satoshis_to_btc(FVal(btc_resp)) # result is in satoshis
def query_btc_account_balance(account: BTCAddress) -> FVal:
"""Queries blockchain.info for the balance of account
May raise:
- RemotError if there is a problem querying blockchain.info or blockcypher
"""
try:
if account.lower()[0:3] == 'bc1':
url = f'https://api.blockcypher.com/v1/btc/main/addrs/{account.lower()}/balance'
response_data = request_get(url=url)
if 'balance' not in response_data:
raise RemoteError(f'Unexpected blockcypher balance response: {response_data}')
btc_resp = response_data['balance']
else:
btc_resp = request_get_direct(
url='https://blockchain.info/q/addressbalance/%s' % account,
handle_429=True,
# If we get a 429 then their docs suggest 10 seconds
# https://blockchain.info/q
backoff_in_seconds=10,
)
except (requests.exceptions.ConnectionError, UnableToDecryptRemoteData) as e:
raise RemoteError(f'bitcoin external API request failed due to {str(e)}')
return satoshis_to_btc(FVal(btc_resp)) # result is in satoshis
def query_btc_account_balance(account: BTCAddress) -> FVal:
btc_resp = request_get_direct(
url='https://blockchain.info/q/addressbalance/%s' % account,
handle_429=True,
# If we get a 429 then their docs suggest 10 seconds
# https://blockchain.info/q
backoff_in_seconds=10,
)
return FVal(btc_resp) * FVal('0.00000001') # result is in satoshis
def query_btc_account_balance(account: BTCAddress) -> FVal:
btc_resp = request_get_direct(
'https://blockchain.info/q/addressbalance/%s' % account, )
return FVal(btc_resp) * FVal('0.00000001') # result is in satoshis