jlpoole/LMXF-specification
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Handle client message download for stamped propagation messages

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This commit is contained in:
Mark Qvist 2025-11-01 00:10:30 +01:00
commit df6271a026
3 changed files with 44 additions and 29 deletions
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10
LXMF/LXStamper.py
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@ -52,23 +52,23 @@ def validate_peering_key(peering_id, peering_key, target_cost):
def validate_pn_stamp(transient_data, target_cost):
from .LXMessage import LXMessage
if len(transient_data) <= LXMessage.LXMF_OVERHEAD+STAMP_SIZE: return None, None, None
if len(transient_data) <= LXMessage.LXMF_OVERHEAD+STAMP_SIZE: return None, None, None, None
else:
lxm_data = transient_data[:-STAMP_SIZE]
stamp = transient_data[-STAMP_SIZE:]
transient_id = RNS.Identity.full_hash(lxm_data)
workblock = stamp_workblock(transient_id, expand_rounds=WORKBLOCK_EXPAND_ROUNDS_PN)
if not stamp_valid(stamp, target_cost, workblock): return None, None, None
if not stamp_valid(stamp, target_cost, workblock): return None, None, None, None
else:
value = stamp_value(workblock, stamp)
return transient_id, lxm_data, value
return transient_id, lxm_data, value, stamp
def validate_pn_stamps_job_simple(transient_list, target_cost):
validated_messages = []
for transient_data in transient_list:
transient_id, lxm_data, value = validate_pn_stamp(transient_data, target_cost)
if transient_id: validated_messages.append([transient_id, lxm_data, value])
transient_id, lxm_data, value, stamp_data = validate_pn_stamp(transient_data, target_cost)
if transient_id: validated_messages.append([transient_id, lxm_data, value, stamp_data])
return validated_messages