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Handle propagation node stamp cost peering signalling

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This commit is contained in:
Mark Qvist 2025-10-30 15:39:00 +01:00
commit bd6fe9f9d1
3 changed files with 29 additions and 23 deletions
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11
LXMF/LXMF.py
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@ -138,11 +138,20 @@ def stamp_cost_from_app_data(app_data=None):
def pn_announce_data_is_valid(data):
try:
if type(data) == bytes: data = msgpack.unpackb(data)
if len(data) < 3: raise ValueError("Invalid announce data: Insufficient peer data")
if len(data) < 5: raise ValueError("Invalid announce data: Insufficient peer data")
else:
if data[0] != True and data[0] != False: raise ValueError("Invalid announce data: Indeterminate propagation node status")
try: int(data[1])
except: raise ValueError("Invalid announce data: Could not decode peer timebase")
try: int(data[2])
except: raise ValueError("Invalid announce data: Could not decode peer propagation transfer limit")
try: int(data[3])
except: raise ValueError("Invalid announce data: Could not decode peer propagation sync limit")
if type(data[4]) != list: raise ValueError("Invalid announce data: Could not decode peer stamp costs")
try: int(data[4][0])
except: raise ValueError("Invalid announce data: Could not decode peer target stamp cost")
try: int(data[4][1])
except: raise ValueError("Invalid announce data: Could not decode peer stamp cost flexibility")
except Exception as e:
RNS.log(f"Could not validate propagation node announce data: {e}", RNS.LOG_DEBUG)