async def get_update_info(self):
# note: Use long timeout here as it is not critical that we get a response fast,
# and it's bad not to get an update notification just because we did not wait enough.
async with make_aiohttp_session(proxy=self.network.proxy, timeout=120) as session:
async with session.get(UpdateCheck.url) as result:
signed_version_dict = await result.json(content_type=None)
# example signed_version_dict:
# {
# "version": "3.9.9",
# "signatures": {
# "MRkEwoPcvSPaC5WNtQMa7NGPy2tBKbp3Bm": "H84UFTdaBswxTrNty0gLlWiQEQhJA2Se5xVdhR9zFirKYg966IXEkC7km6phIJq+2CT3KwvKuj8YKaSCy1fErwg="
# }
# }
version_num = signed_version_dict['version']
sigs = signed_version_dict['signatures']
for address, sig in sigs.items():
if address not in UpdateCheck.VERSION_ANNOUNCEMENT_SIGNING_KEYS:
continue
sig = base64.b64decode(sig)
msg = version_num.encode('utf-8')
if ecc.verify_message_with_address(address=address, sig65=sig, message=msg,
net=constants.BitcoinMainnet):
self.logger.info(f"valid sig for version announcement '{version_num}' from address '{address}'")
break
else:
raise Exception('no valid signature for version announcement')
return LooseVersion(version_num.strip())
async def do_get(self, url="/labels"):
url = 'https://' + self.target_host + url
network = Network.get_instance()
proxy = network.proxy if network else None
async with make_aiohttp_session(proxy) as session:
async with session.get(url) as result:
return await result.json()
async def do_post(self, url = "/labels", data=None):
url = 'https://' + self.target_host + url
network = Network.get_instance()
proxy = network.proxy if network else None
async with make_aiohttp_session(proxy) as session:
async with session.post(url, json=data) as result:
try:
return await result.json()
except Exception as e:
raise Exception('Could not decode: ' + await result.text()) from e