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telemetry_req.py
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#!/usr/bin/env python3
import struct
import argparse
from pynanocoin import *
from msg_handshake import *
import peercrawler
class telemetry_req:
def __init__(self, ctx: dict):
self.header = message_header(ctx['net_id'], [18, 18, 18], message_type(message_type_enum.telemetry_req), 0)
def serialise(self) -> bytes:
return self.header.serialise_header()
class telemetry_ack:
def __init__(self, hdr: message_header, signature: bytes, node_id: bytes, block_count: int, cemented_count: int,
unchecked_count: int, account_count: int, bandwidth_cap: int,
peer_count: int, protocol_ver: int, uptime: int, genesis_hash: bytes, major_ver: int,
minor_ver: int, patch_ver: int, pre_release_ver: int, maker_ver: int,
timestamp: int, active_difficulty: int):
self.hdr = hdr
self.sig_verified = False
self.sig = signature
self.node_id = node_id
self.block_count = block_count
self.cemented_count = cemented_count
self.unchecked_count = unchecked_count
self.account_count = account_count
self.bandwidth_cap = bandwidth_cap
self.peer_count = peer_count
self.protocol_ver = protocol_ver
self.uptime = uptime
self.genesis_hash = genesis_hash
self.major_ver = major_ver
self.minor_ver = minor_ver
self.patch_ver = patch_ver
self.pre_release_ver = pre_release_ver
self.maker_ver = maker_ver
self.timestamp = timestamp
self.active_difficulty = active_difficulty
def __str__(self):
string = 'Signature: %s\n' % hexlify(self.sig)
string += 'Node ID: %s\n' % hexlify(self.node_id)
string += ' %s\n' % acctools.to_account_addr(self.node_id, 'node_')
string += 'Block Count: %d\n' % self.block_count
string += 'Cemented Count: %d\n' % self.cemented_count
string += 'Unchecked Count: %d\n' % self.unchecked_count
string += 'Account Count: %d\n' % self.account_count
string += 'Bandwidth Cap: %d\n' % self.bandwidth_cap
string += 'Peer Count: %d\n' % self.peer_count
string += 'Protocol Version: %d\n' % self.protocol_ver
string += 'Uptime: %d s\n' % self.uptime
string += 'Genesis Hash: %s\n' % hexlify(self.genesis_hash)
string += 'Major Version: %d\n' % self.major_ver
string += 'Minor Version: %d\n' % self.minor_ver
string += 'Patch Version: %d\n' % self.patch_ver
string += 'Pre-release Version: %d\n' % self.pre_release_ver
string += 'Maker Version: %d\n' % self.maker_ver
string += 'Timestamp: %d ms\n' % self.timestamp
string += 'Active Difficulty: %s (%s)\n' % (self.active_difficulty, hex(self.active_difficulty))
string += '%s signature' % 'Valid' if self.sig_verified else 'INVALID'
return string
def get_sw_version(self) -> str:
return '%s.%s.%s.%s' % (self.major_ver, self.minor_ver, self.patch_ver, self.pre_release_ver)
def serialize_without_signature(self) -> bytes:
data = struct.pack('>32sQQQQQIBQ32sBBBBBQQ', \
self.node_id, \
self.block_count, \
self.cemented_count, \
self.unchecked_count, \
self.account_count, \
self.bandwidth_cap, \
self.peer_count, \
self.protocol_ver, \
self.uptime, \
self.genesis_hash, \
self.major_ver, \
self.minor_ver, \
self.patch_ver, \
self.pre_release_ver, \
self.maker_ver, \
self.timestamp, \
self.active_difficulty)
return data
def serialize(self) -> bytes:
data = self.hdr.serialise_header()
data += struct.pack('64s', self.sig)
data += self.serialize_without_signature()
return data
def sign(self, signing_key: ed25519_blake2b.keys.SigningKey) -> None:
self.sig = signing_key.sign(self.serialize_without_signature())
@classmethod
def parse(self, hdr: message_header, data: bytes):
if len(data) != 202:
raise BadTelemetryReply('message len not 202, data=%s', data)
unpacked = struct.unpack('>64s32sQQQQQIBQ32sBBBBBQQ', data)
sig = unpacked[0]
node_id = unpacked[1]
block_count = unpacked[2]
cemented_count = unpacked[3]
unchecked_count = unpacked[4]
account_count = unpacked[5]
bandwidth_cap = unpacked[6]
peer_count = unpacked[7]
protocol_ver = unpacked[8]
uptime = unpacked[9]
genesis_hash = unpacked[10]
major_ver = unpacked[11]
minor_ver = unpacked[12]
patch_ver = unpacked[13]
pre_release_ver = unpacked[14]
maker_ver = unpacked[15]
timestamp = unpacked[16]
active_difficulty = unpacked[17]
tack = telemetry_ack(hdr, sig, node_id, block_count, cemented_count, unchecked_count,
account_count, bandwidth_cap, peer_count, protocol_ver, uptime,
genesis_hash, major_ver, minor_ver, patch_ver, pre_release_ver, maker_ver,
timestamp, active_difficulty)
tack.sig_verified = verify(data[64:], data[0:64], node_id)
return tack
@classmethod
def from_json(self, json_tel: dict):
return telemetry_ack(message_header.from_json(json_tel['hdr']),
binascii.unhexlify(json_tel['sig']),
binascii.unhexlify(json_tel['node_id']),
json_tel['block_count'],
json_tel['cemented_count'],
json_tel['unchecked_count'],
json_tel['account_count'],
json_tel['bandwidth_cap'],
json_tel['peer_count'],
json_tel['protocol_ver'],
json_tel['uptime'],
binascii.unhexlify(json_tel['genesis_hash']),
json_tel['major_ver'],
json_tel['minor_ver'],
json_tel['patch_ver'],
json_tel['pre_release_ver'],
json_tel['maker_ver'],
json_tel['timestamp'],
json_tel['active_difficulty']
)
def parse_args():
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group()
group.add_argument('-b', '--beta', action='store_true', default=False,
help='use beta network')
group.add_argument('-t', '--test', action='store_true', default=False,
help='use test network')
group1 = parser.add_mutually_exclusive_group(required=False)
group1.add_argument('-a', '--allpeers', action='store_true', default=False,
help='contact all known peers for telemetry')
group1.add_argument('-p', '--peer',
help='peer to contact for frontiers (if not set, one is randomly selected using DNS)')
return parser.parse_args()
def do_telemetry_req(ctx: dict, peeraddr: str, peerport: int) -> None:
with get_connected_socket_endpoint(peeraddr, peerport) as s:
signing_key, verifying_key = node_handshake_id.keypair()
peer_id = node_handshake_id.perform_handshake_exchange(ctx, s, signing_key, verifying_key)
print('Local Node ID: %s' % acctools.to_account_addr(verifying_key.to_bytes(), prefix='node_'))
print('Peer Node ID: %s' % acctools.to_account_addr(peer_id, prefix='node_'))
req = telemetry_req(ctx)
s.sendall(req.serialise())
hdr, data = get_next_hdr_payload(s)
while hdr.msg_type != message_type(13):
hdr, data = get_next_hdr_payload(s)
print(hdr)
resp = telemetry_ack.parse(hdr, data)
print(resp)
def main() -> None:
args = parse_args()
ctx = livectx
if args.beta: ctx = betactx
if args.test: ctx = testctx
peer_tuples = []
if args.peer:
peer_tuples.append(parse_endpoint(args.peer, default_port=ctx['peerport']))
elif args.allpeers:
peers = peercrawler.get_peers_from_service(ctx)
for peer in peers:
peer_tuples.append((str(peer.ip), peer.port))
else:
peer = peercrawler.get_random_peer(ctx, lambda p: p.score >= 1000)
peer_tuples.append((str(peer.ip), peer.port))
for peeraddr, peerport in peer_tuples:
print('Connecting to %s:%s' % (peeraddr, peerport))
try:
do_telemetry_req(ctx, peeraddr, peerport)
except (OSError, PyNanoCoinException) as e:
print('Exception %s: %s' % (type(e), e))
if (not args.allpeers):
raise
class TestTelemetry(unittest.TestCase):
def test_telemetry_ack_from_json(self):
example_json = """
{
"hdr": {
"ext": 202,
"net_id": 67,
"ver_max": 18,
"ver_using": 18,
"ver_min": 18,
"msg_type": 13
},
"sig_verified": true,
"sig": "C019739E66E763FE1673BFE850867972E73F896D5F7B452FB259A0281A2D7168BC1CF7894B7BA7BD6DF97BA5FB5000D97A192AAF0D455B3CFFC7819CC936280B",
"node_id": "F3D02EFA6F40123FD2B787B1CB5982F39A4485CC25A222C416FE6B9B61515707",
"block_count": 158979360,
"cemented_count": 158658193,
"unchecked_count": 7,
"account_count": 29645164,
"bandwidth_cap": 0,
"peer_count": 228,
"protocol_ver": 18,
"uptime": 884,
"genesis_hash": "991CF190094C00F0B68E2E5F75F6BEE95A2E0BD93CEAA4A6734DB9F19B728948",
"major_ver": 23,
"minor_ver": 4,
"patch_ver": 0,
"pre_release_ver": 99,
"maker_ver": 111,
"timestamp": 1655358225428,
"active_difficulty": 18446744039349813248
}"""
tel = telemetry_ack.from_json(json.loads(example_json))
self.assertEqual(tel.sig,
binascii.unhexlify("C019739E66E763FE1673BFE850867972E73F896D5F7B452FB259A0281A2D7168BC1CF7894B7BA7BD6DF97BA5FB5000D97A192AAF0D455B3CFFC7819CC936280B"))
self.assertEqual(tel.node_id, binascii.unhexlify("F3D02EFA6F40123FD2B787B1CB5982F39A4485CC25A222C416FE6B9B61515707"))
self.assertEqual(tel.block_count, 158979360)
self.assertEqual(tel.cemented_count, 158658193)
self.assertEqual(tel.unchecked_count, 7)
self.assertEqual(tel.account_count, 29645164)
self.assertEqual(tel.bandwidth_cap, 0)
self.assertEqual(tel.peer_count, 228)
self.assertEqual(tel.protocol_ver, 18)
self.assertEqual(tel.uptime, 884)
self.assertEqual(tel.genesis_hash,
binascii.unhexlify("991CF190094C00F0B68E2E5F75F6BEE95A2E0BD93CEAA4A6734DB9F19B728948"))
self.assertEqual(tel.major_ver, 23)
self.assertEqual(tel.minor_ver, 4)
self.assertEqual(tel.patch_ver, 0)
self.assertEqual(tel.pre_release_ver, 99)
self.assertEqual(tel.maker_ver, 111)
self.assertEqual(tel.timestamp, 1655358225428)
self.assertEqual(tel.active_difficulty, 18446744039349813248)
if __name__ == '__main__':
main()