async def connect_current_block(self):
"""
Connects to the websocket entry point of the node
If the connection fails, it tries the fallback mode on HTTP GET
"""
for endpoint in [
e for e in self.node.endpoints if isinstance(e, BMAEndpoint)
]:
if not self._connected['block']:
try:
conn_handler = next(
endpoint.conn_handler(
self.session, proxy=self._user_parameters.proxy()))
ws_connection = bma.ws.block(conn_handler)
async with ws_connection as ws:
self._connected['block'] = True
self._logger.debug(
"Connected successfully to block ws")
async for msg in ws:
if msg.type == aiohttp.WSMsgType.TEXT:
self._logger.debug("Received a block")
block_data = bma.parse_text(
msg.data, bma.ws.WS_BLOCk_SCHEMA)
await self.refresh_block(block_data)
elif msg.type == aiohttp.WSMsgType.CLOSED:
break
elif msg.type == aiohttp.WSMsgType.ERROR:
break
except (aiohttp.WSServerHandshakeError, ValueError) as e:
self._logger.debug("Websocket block {0} : {1}".format(
type(e).__name__, str(e)))
await self.request_current_block()
except (ClientError, gaierror, TimeoutError) as e:
self._logger.debug("{0} : {1}".format(
str(e), self.node.pubkey[:5]))
self.change_state_and_emit(Node.OFFLINE)
except jsonschema.ValidationError as e:
self._logger.debug(str(e))
self._logger.debug("Validation error")
self.change_state_and_emit(Node.CORRUPTED)
except RuntimeError:
if self.session.closed:
pass
else:
raise
finally:
self._connected['block'] = False
self._ws_tasks['block'] = None
async def connect_peers(self):
"""
Connects to the peer websocket entry point
If the connection fails, it tries the fallback mode on HTTP GET
"""
for endpoint in [
e for e in self.node.endpoints if isinstance(e, BMAEndpoint)
]:
if not self._connected['peer']:
try:
conn_handler = next(
endpoint.conn_handler(
self.session, proxy=self._user_parameters.proxy()))
ws_connection = bma.ws.peer(conn_handler)
async with ws_connection as ws:
self._connected['peer'] = True
self._logger.debug(
"Connected successfully to peer ws : {0}".format(
self.node.pubkey[:5]))
async for msg in ws:
if msg.tp == aiohttp.WSMsgType.TEXT:
self._logger.debug(
"Received a peer : {0}".format(
self.node.pubkey[:5]))
peer_data = bma.parse_text(
msg.data, bma.ws.WS_PEER_SCHEMA)
self.refresh_peer_data(peer_data)
elif msg.tp == aiohttp.WSMsgType.CLOSED:
break
elif msg.tp == aiohttp.WSMsgType.ERROR:
break
except (aiohttp.WSServerHandshakeError, ValueError) as e:
self._logger.debug("Websocket peer {0} : {1} - {2}".format(
type(e).__name__, str(e), self.node.pubkey[:5]))
await self.request_peers()
except (ClientError, gaierror, TimeoutError) as e:
self._logger.debug("{0} : {1}".format(
str(e), self.node.pubkey[:5]))
self.change_state_and_emit(Node.OFFLINE)
except jsonschema.ValidationError as e:
self._logger.debug(str(e))
self._logger.debug("Validation error : {0}".format(
self.node.pubkey[:5]))
self.change_state_and_emit(Node.CORRUPTED)
finally:
self._connected['peer'] = False
self._ws_tasks['peer'] = None
async def connect_peers(self):
"""
Connects to the peer websocket entry point
If the connection fails, it tries the fallback mode on HTTP GET
"""
for endpoint in [e for e in self.node.endpoints if isinstance(e, BMAEndpoint)]:
if not self._connected['peer']:
try:
conn_handler = next(endpoint.conn_handler(self.session,
proxy=self._user_parameters.proxy()))
ws_connection = bma.ws.peer(conn_handler)
async with ws_connection as ws:
self._connected['peer'] = True
self._logger.debug("Connected successfully to peer ws")
async for msg in ws:
if msg.type == aiohttp.WSMsgType.TEXT:
self._logger.debug("Received a peer")
peer_data = bma.parse_text(msg.data, bma.ws.WS_PEER_SCHEMA)
self.refresh_peer_data(peer_data)
elif msg.type == aiohttp.WSMsgType.CLOSED:
break
elif msg.type == aiohttp.WSMsgType.ERROR:
break
except (aiohttp.WSServerHandshakeError, ValueError) as e:
self._logger.debug("Websocket peer {0} : {1}"
.format(type(e).__name__, str(e)))
await self.request_peers()
except (ClientError, gaierror, TimeoutError) as e:
self._logger.debug("{:}:{:}".format(str(e.__class__.__name__), str(e)))
self.handle_failure()
except jsonschema.ValidationError as e:
self._logger.debug("{:}:{:}".format(str(e.__class__.__name__), str(e)))
self.handle_failure(weight=3)
except RuntimeError:
if self.session.closed:
pass
else:
raise
except AttributeError as e:
if ("feed_appdata", "do_handshake") in str(e):
self._logger.debug(str(e))
else:
raise
finally:
self._connected['peer'] = False
self._ws_tasks['peer'] = None
async def connect_current_block(self):
"""
Connects to the websocket entry point of the node
If the connection fails, it tries the fallback mode on HTTP GET
"""
for endpoint in [e for e in self.node.endpoints if isinstance(e, BMAEndpoint)]:
if not self._connected['block']:
try:
conn_handler = next(endpoint.conn_handler(self.session, proxy=self._user_parameters.proxy()))
ws_connection = bma.ws.block(conn_handler)
async with ws_connection as ws:
self._connected['block'] = True
self._logger.debug("Connected successfully to block ws")
async for msg in ws:
if msg.type == aiohttp.WSMsgType.TEXT:
self._logger.debug("Received a block")
block_data = bma.parse_text(msg.data, bma.ws.WS_BLOCk_SCHEMA)
self.block_found.emit(BlockUID(block_data['number'], block_data['hash']))
elif msg.type == aiohttp.WSMsgType.CLOSED:
break
elif msg.type == aiohttp.WSMsgType.ERROR:
break
except (aiohttp.WSServerHandshakeError, ValueError) as e:
self._logger.debug("Websocket block {0} : {1}".format(type(e).__name__, str(e)))
self.handle_failure()
except (ClientError, gaierror, TimeoutError) as e:
self._logger.debug("{0} : {1}".format(str(e), self.node.pubkey[:5]))
self.handle_failure()
except jsonschema.ValidationError as e:
self._logger.debug("{:}:{:}".format(str(e.__class__.__name__), str(e)))
self.handle_failure(weight=3)
except RuntimeError:
if self.session.closed:
pass
else:
raise
except AttributeError as e:
if ("feed_appdata", "do_handshake") in str(e):
self._logger.debug(str(e))
else:
raise
finally:
self._connected['block'] = False
self._ws_tasks['block'] = None
def test_peer(self):
json_sample = """{
"version": 1,
"currency": "beta_brouzouf",
"pubkey": "HsLShAtzXTVxeUtQd7yi5Z5Zh4zNvbu8sTEZ53nfKcqY",
"endpoints": [
"BASIC_MERKLED_API some.dns.name 88.77.66.55 2001:0db8:0000:85a3:0000:0000:ac1f 9001",
"BASIC_MERKLED_API some.dns.name 88.77.66.55 2001:0db8:0000:85a3:0000:0000:ac1f 9002",
"OTHER_PROTOCOL 88.77.66.55 9001"
],
"signature": "42yQm4hGTJYWkPg39hQAUgP6S6EQ4vTfXdJuxKEHL1ih6YHiDL2hcwrFgBHjXLRgxRhj2VNVqqc6b4JayKqTE14r"
}
"""
data = parse_text(json_sample, WS_PEER_SCHEMA)
self.assertEqual(data["version"], 1)
self.assertEqual(data["currency"], "beta_brouzouf")
self.assertEqual(data["pubkey"], "HsLShAtzXTVxeUtQd7yi5Z5Zh4zNvbu8sTEZ53nfKcqY")
self.assertEqual(len(data["endpoints"]), 3)
self.assertEqual(data["signature"], "42yQm4hGTJYWkPg39hQAUgP6S6EQ4vTfXdJuxKEHL1ih6YHiDL2hcwrFgBHjXLRgxRhj2VNVqqc6b4JayKqTE14r")
def test_block(self):
json_sample = """
{
"version": 2,
"currency": "beta_brouzouf",
"nonce": 28,
"inner_hash": "FD09B0F7CEC5A575CA6E528DC4C854B612AE77B7283F48E0D28677F5C9C9D0DD",
"number": 1,
"time": 1408996317,
"medianTime": 1408992543,
"dividend": 254,
"monetaryMass": 18948,
"issuer": "HsLShAtzXTVxeUtQd7yi5Z5Zh4zNvbu8sTEZ53nfKcqY",
"previousHash": "0009A7A62703F976F683BBA500FC0CB832B8220D",
"previousIssuer": "CYYjHsNyg3HMRMpTHqCJAN9McjH5BwFLmDKGV3PmCuKp",
"membersCount": 4,
"hash": "0000F40BDC0399F2E84000468628F50A122B5F16",
"identities": [
"9WYHTavL1pmhunFCzUwiiq4pXwvgGG5ysjZnjz9H8yB:2D96KZwNUvVtcapQPq2mm7J9isFcDCfykwJpVEZwBc7tCgL4qPyu17BT5ePozAE9HS6Yvj51f62Mp4n9d9dkzJoX:1409007070:udid2;c;CAT;LOL;2000-04-19;e+43.70-079.42;0;"
],
"joiners": [
"9WYHTavL1pmhunFCzUwiiq4pXwvgGG5ysjZnjz9H8yB:2XiBDpuUdu6zCPWGzHXXy8c4ATSscfFQG9DjmqMZUxDZVt1Dp4m2N5oHYVUfoPdrU9SLk4qxi65RNrfCVnvQtQJk:1505004141"
],
"leavers": [
"9WYHTavL1pmhunFCzUwiiq4pXwvgGG5ysjZnjz9H8yB:2XiBDpuUdu6zCPWGzHXXy8c4ATSscfFQG9DjmqMZUxDZVt1Dp4m2N5oHYVUfoPdrU9SLk4qxi65RNrfCVnvQtQJk:1505004141"
],
"revoked": [
"9WYHTavL1pmhunFCzUwiiq4pXwvgGG5ysjZnjz9H8yB:2D96KZwNUvVtcapQPq2mm7J9isFcDCfykwJpVEZwBc7tCgL4qPyu17BT5ePozAE9HS6Yvj51f62Mp4n9d9dkzJoX"
],
"excluded": [
"9WYHTavL1pmhunFCzUwiiq4pXwvgGG5ysjZnjz9H8yB"
],
"certifications": [
"CYYjHsNyg3HMRMpTHqCJAN9McjH5BwFLmDKGV3PmCuKp:9WYHTavL1pmhunFCzUwiiq4pXwvgGG5ysjZnjz9H8yB:1505900000:2XiBDpuUdu6zCPWGzHXXy8c4ATSscfFQG9DjmqMZUxDZVt1Dp4m2N5oHYVUfoPdrU9SLk4qxi65RNrfCVnvQtQJk"
],
"transactions": [
{
"signatures": [
"H41/8OGV2W4CLKbE35kk5t1HJQsb3jEM0/QGLUf80CwJvGZf3HvVCcNtHPUFoUBKEDQO9mPK3KJkqOoxHpqHCw==",
"2D96KZwNUvVtcapQPq2mm7J9isFcDCfykwJpVEZwBc7tCgL4qPyu17BT5ePozAE9HS6Yvj51f62Mp4n9d9dkzJoX",
"2XiBDpuUdu6zCPWGzHXXy8c4ATSscfFQG9DjmqMZUxDZVt1Dp4m2N5oHYVUfoPdrU9SLk4qxi65RNrfCVnvQtQJk"
],
"version": 2,
"currency": "beta_brouzouf",
"issuers": [
"HsLShAtzXTVxeUtQd7yi5Z5Zh4zNvbu8sTEZ53nfKcqY",
"CYYjHsNyg3HMRMpTHqCJAN9McjH5BwFLmDKGV3PmCuKp",
"9WYHTavL1pmhunFCzUwiiq4pXwvgGG5ysjZnjz9H8yB"
],
"inputs": [
"T:6991C993631BED4733972ED7538E41CCC33660F554E3C51963E2A0AC4D6453D3:0",
"T:3A09A20E9014110FD224889F13357BAB4EC78A72F95CA03394D8CCA2936A7435:0",
"D:4745EEBA84D4E3C2BDAE4768D4E0F5A671531EE1B0B9F5206744B4551C664FDF:243",
"T:3A09A20E9014110FD224889F13357BAB4EC78A72F95CA03394D8CCA2936A7435:1",
"T:67F2045B5318777CC52CD38B424F3E40DDA823FA0364625F124BABE0030E7B5B:0",
"D:521A760049DF4FAA602FEF86B7A8E306654502FA3A345F6169B8468B81E71AD3:187"
],
"unlocks": [
"0:SIG(0)",
"1:SIG(2)",
"2:SIG(1)",
"3:SIG(1)",
"4:SIG(0)",
"5:SIG(0)"
],
"outputs": [
"30:SIG(BYfWYFrsyjpvpFysgu19rGK3VHBkz4MqmQbNyEuVU64g)",
"156:SIG(DSz4rgncXCytsUMW2JU2yhLquZECD2XpEkpP9gG5HyAx)",
"49:SIG(6DyGr5LFtFmbaJYRvcs9WmBsr4cbJbJ1EV9zBbqG7A6i)"
]
}
],
"signature": "H41/8OGV2W4CLKbE35kk5t1HJQsb3jEM0/QGLUf80CwJvGZf3HvVCcNtHPUFoUBKEDQO9mPK3KJkqOoxHpqHCw=="
}
"""
parse_text(json_sample, WS_BLOCk_SCHEMA)