Implemented client-side propagation stamp generation and inclusion in outbound propagation messages

This commit is contained in:
Mark Qvist 2025-10-31 21:45:40 +01:00
parent 606a723e31
commit 704b37dc16
7 changed files with 228 additions and 90 deletions

View file

@ -42,8 +42,8 @@ class LXMFPropagationAnnounceHandler:
try:
if type(app_data) == bytes:
if self.lxmrouter.propagation_node:
data = msgpack.unpackb(app_data)
if pn_announce_data_is_valid(data):
if pn_announce_data_is_valid(app_data):
data = msgpack.unpackb(app_data)
node_timebase = int(data[1])
propagation_enabled = data[2]
propagation_transfer_limit = int(data[3])

View file

@ -160,7 +160,7 @@ def pn_announce_data_is_valid(data):
except: raise ValueError("Invalid announce data: Could not decode propagation transfer limit")
try: int(data[4])
except: raise ValueError("Invalid announce data: Could not decode propagation sync limit")
if type(data[4]) != list: raise ValueError("Invalid announce data: Could not decode stamp costs")
if type(data[5]) != list: raise ValueError("Invalid announce data: Could not decode stamp costs")
try: int(data[5][0])
except: raise ValueError("Invalid announce data: Could not decode target stamp cost")
try: int(data[5][1])

View file

@ -24,7 +24,8 @@ class LXMPeer:
ERROR_NO_ACCESS = 0xf1
ERROR_INVALID_KEY = 0xf3
ERROR_INVALID_DATA = 0xf4
ERROR_THROTTLED = 0xf5
ERROR_INVALID_STAMP = 0xf5
ERROR_THROTTLED = 0xf6
ERROR_TIMEOUT = 0xfe
STRATEGY_LAZY = 0x01

View file

@ -159,6 +159,7 @@ class LXMRouter:
self.identity = identity
self.propagation_destination = RNS.Destination(self.identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "propagation")
self.propagation_destination.set_default_app_data(self.get_propagation_node_app_data)
self.control_destination = None
self.client_propagation_messages_received = 0
self.client_propagation_messages_served = 0
@ -286,22 +287,24 @@ class LXMRouter:
if destination_hash in self.delivery_destinations:
self.delivery_destinations[destination_hash].announce(app_data=self.get_announce_app_data(destination_hash), attached_interface=attached_interface)
def get_propagation_node_app_data(self):
node_state = self.propagation_node and not self.from_static_only
stamp_cost = [self.propagation_stamp_cost, self.propagation_stamp_cost_flexibility, self.peering_cost]
metadata = {}
announce_data = [ False, # 0: Legacy LXMF PN support
int(time.time()), # 1: Current node timebase
node_state, # 2: Boolean flag signalling propagation node state
self.propagation_per_transfer_limit, # 3: Per-transfer limit for message propagation in kilobytes
self.propagation_per_sync_limit, # 4: Limit for incoming propagation node syncs
stamp_cost, # 5: Propagation stamp cost for this node
metadata ] # 6: Node metadata
return msgpack.packb(announce_data)
def announce_propagation_node(self):
def delayed_announce():
time.sleep(LXMRouter.NODE_ANNOUNCE_DELAY)
node_state = self.propagation_node and not self.from_static_only
stamp_cost = [self.propagation_stamp_cost, self.propagation_stamp_cost_flexibility, self.peering_cost]
metadata = {}
announce_data = [ False, # 0: Legacy LXMF PN support
int(time.time()), # 1: Current node timebase
node_state, # 2: Boolean flag signalling propagation node state
self.propagation_per_transfer_limit, # 3: Per-transfer limit for message propagation in kilobytes
self.propagation_per_sync_limit, # 4: Limit for incoming propagation node syncs
stamp_cost, # 5: Propagation stamp cost for this node
metadata ] # 6: Node metadata
data = msgpack.packb(announce_data)
self.propagation_destination.announce(app_data=data)
self.propagation_destination.announce(app_data=self.get_propagation_node_app_data())
da_thread = threading.Thread(target=delayed_announce)
da_thread.setDaemon(True)
@ -380,6 +383,29 @@ class LXMRouter:
def get_outbound_propagation_node(self):
return self.outbound_propagation_node
def get_outbound_propagation_cost(self):
target_propagation_cost = None
pn_destination_hash = self.get_outbound_propagation_node()
pn_app_data = RNS.Identity.recall_app_data(pn_destination_hash)
if pn_announce_data_is_valid(pn_app_data):
pn_config = msgpack.unpackb(pn_app_data)
target_propagation_cost = pn_config[5][0]
if not target_propagation_cost:
RNS.log(f"Could not retrieve cached propagation node config. Requesting path to propagation node to get target propagation cost...", RNS.LOG_DEBUG)
RNS.Transport.request_path(pn_destination_hash)
timeout = time.time() + LXMRouter.PATH_REQUEST_WAIT
while not RNS.Identity.recall_app_data(pn_destination_hash) and time.time() < timeout:
time.sleep(0.5)
pn_app_data = RNS.Identity.recall_app_data(pn_destination_hash)
if pn_announce_data_is_valid(pn_app_data):
pn_config = msgpack.unpackb(pn_app_data)
target_propagation_cost = pn_config[5][0]
if not target_propagation_cost: RNS.log("Propagation node stamp cost still unavailable after path request", RNS.LOG_ERROR)
return target_propagation_cost
def set_inbound_propagation_node(self, destination_hash):
# TODO: Implement
raise NotImplementedError("Inbound/outbound propagation node differentiation is currently not implemented")
@ -1525,12 +1551,12 @@ class LXMRouter:
else:
return False
def cancel_outbound(self, message_id):
def cancel_outbound(self, message_id, cancel_state=LXMessage.CANCELLED):
try:
if message_id in self.pending_deferred_stamps:
lxm = self.pending_deferred_stamps[message_id]
RNS.log(f"Cancelling deferred stamp generation for {lxm}", RNS.LOG_DEBUG)
lxm.state = LXMessage.CANCELLED
lxm.state = cancel_state
LXStamper.cancel_work(message_id)
lxmessage = None
@ -1539,7 +1565,7 @@ class LXMRouter:
lxmessage = lxm
if lxmessage != None:
lxmessage.state = LXMessage.CANCELLED
lxmessage.state = cancel_state
if lxmessage in self.pending_outbound:
RNS.log(f"Cancelling {lxmessage} in outbound queue", RNS.LOG_DEBUG)
if lxmessage.representation == LXMessage.RESOURCE:
@ -1574,11 +1600,9 @@ class LXMRouter:
# destination to reply without generating a stamp.
if lxmessage.include_ticket:
ticket = self.generate_ticket(lxmessage.destination_hash)
if ticket:
lxmessage.fields[FIELD_TICKET] = ticket
if ticket: lxmessage.fields[FIELD_TICKET] = ticket
if not lxmessage.packed:
lxmessage.pack()
if not lxmessage.packed: lxmessage.pack()
unknown_path_requested = False
if not RNS.Transport.has_path(destination_hash) and lxmessage.method == LXMessage.OPPORTUNISTIC:
@ -1593,16 +1617,13 @@ class LXMRouter:
RNS.log(f"Deferred stamp generation was requested for {lxmessage}, but no stamp is required, processing immediately", RNS.LOG_DEBUG)
lxmessage.defer_stamp = False
if not lxmessage.defer_stamp:
while not unknown_path_requested and self.processing_outbound:
time.sleep(0.05)
if not lxmessage.defer_stamp and not (lxmessage.desired_method == LXMessage.PROPAGATED and lxmessage.defer_propagation_stamp):
while not unknown_path_requested and self.processing_outbound: time.sleep(0.05)
self.pending_outbound.append(lxmessage)
if not unknown_path_requested:
self.process_outbound()
if not unknown_path_requested: self.process_outbound()
else:
self.pending_deferred_stamps[lxmessage.message_id] = lxmessage
else: self.pending_deferred_stamps[lxmessage.message_id] = lxmessage
def get_outbound_progress(self, lxm_hash):
for lxm in self.pending_outbound:
@ -1626,6 +1647,17 @@ class LXMRouter:
return None
def get_outbound_lxm_propagation_stamp_cost(self, lxm_hash):
for lxm in self.pending_outbound:
if lxm.hash == lxm_hash:
return lxm.propagation_target_cost
for lxm_id in self.pending_deferred_stamps:
if self.pending_deferred_stamps[lxm_id].hash == lxm_hash:
return self.pending_deferred_stamps[lxm_id].stamp_cost
return None
### Message Routing & Delivery ########################
#######################################################
@ -2022,7 +2054,12 @@ class LXMRouter:
self.lxmf_propagation(lxmf_data, stamp_value=stamp_value)
self.client_propagation_messages_received += 1
if stamps_valid: packet.prove()
if len(validated_messages) == len(messages): packet.prove()
else:
RNS.log("Propagation transfer from client contained messages with invalid stamps", RNS.LOG_NOTICE)
reject_data = msgpack.packb([LXMPeer.ERROR_INVALID_STAMP])
RNS.Packet(packet.link, reject_data).send()
packet.link.teardown()
except Exception as e:
RNS.log("Exception occurred while parsing incoming LXMF propagation data.", RNS.LOG_ERROR)
@ -2281,29 +2318,87 @@ class LXMRouter:
return
RNS.log(f"Starting stamp generation for {selected_lxm}...", RNS.LOG_DEBUG)
generated_stamp = selected_lxm.get_stamp()
if generated_stamp:
selected_lxm.stamp = generated_stamp
selected_lxm.defer_stamp = False
selected_lxm.packed = None
selected_lxm.pack()
self.pending_deferred_stamps.pop(selected_message_id)
self.pending_outbound.append(selected_lxm)
RNS.log(f"Stamp generation completed for {selected_lxm}", RNS.LOG_DEBUG)
else:
if selected_lxm.state == LXMessage.CANCELLED:
RNS.log(f"Message cancelled during deferred stamp generation for {selected_lxm}.", RNS.LOG_DEBUG)
selected_lxm.stamp_generation_failed = True
self.pending_deferred_stamps.pop(selected_message_id)
if selected_lxm.failed_callback != None and callable(selected_lxm.failed_callback):
selected_lxm.failed_callback(lxmessage)
if selected_lxm.stamp == None: stamp_generation_success = False
else: stamp_generation_success = True
if selected_lxm.desired_method == LXMessage.PROPAGATED:
if selected_lxm.propagation_stamp == None: propagation_stamp_generation_success = False
else: propagation_stamp_generation_success = True
else: propagation_stamp_generation_success = True
if stamp_generation_success == False:
RNS.log(f"Starting stamp generation for {selected_lxm}...", RNS.LOG_DEBUG)
generated_stamp = selected_lxm.get_stamp()
if generated_stamp:
selected_lxm.stamp = generated_stamp
selected_lxm.defer_stamp = False
selected_lxm.packed = None
selected_lxm.pack()
stamp_generation_success = True
RNS.log(f"Stamp generation completed for {selected_lxm}", RNS.LOG_DEBUG)
else:
RNS.log(f"Deferred stamp generation did not succeed. Failing {selected_lxm}.", RNS.LOG_ERROR)
if selected_lxm.state == LXMessage.CANCELLED:
RNS.log(f"Message cancelled during deferred stamp generation for {selected_lxm}.", RNS.LOG_DEBUG)
selected_lxm.stamp_generation_failed = True
self.pending_deferred_stamps.pop(selected_message_id)
if selected_lxm.failed_callback != None and callable(selected_lxm.failed_callback):
selected_lxm.failed_callback(lxmessage)
else:
RNS.log(f"Deferred stamp generation did not succeed. Failing {selected_lxm}.", RNS.LOG_ERROR)
selected_lxm.stamp_generation_failed = True
self.pending_deferred_stamps.pop(selected_message_id)
self.fail_message(selected_lxm)
if propagation_stamp_generation_success == False:
RNS.log(f"Starting propagation stamp generation for {selected_lxm}...", RNS.LOG_DEBUG)
pn_target_cost = self.get_outbound_propagation_cost()
if pn_target_cost == None:
RNS.log("Failed to get propagation node stamp cost, cannot generate propagation stamp", RNS.LOG_ERROR)
selected_lxm.stamp_generation_failed = True
self.pending_deferred_stamps.pop(selected_message_id)
self.fail_message(selected_lxm)
else:
propagation_stamp = selected_lxm.get_propagation_stamp(target_cost=pn_target_cost)
RNS.log(f"Generated propagation stamp: {RNS.hexrep(propagation_stamp)}")
if propagation_stamp:
selected_lxm.propagation_stamp = propagation_stamp
selected_lxm.defer_propagation_stamp = False
selected_lxm.packed = None
selected_lxm.pack()
propagation_stamp_generation_success = True
RNS.log(f"Propagation stamp generation completed for {selected_lxm}", RNS.LOG_DEBUG)
else:
if selected_lxm.state == LXMessage.CANCELLED:
RNS.log(f"Message cancelled during deferred propagation stamp generation for {selected_lxm}.", RNS.LOG_DEBUG)
selected_lxm.stamp_generation_failed = True
self.pending_deferred_stamps.pop(selected_message_id)
if selected_lxm.failed_callback != None and callable(selected_lxm.failed_callback):
selected_lxm.failed_callback(lxmessage)
else:
RNS.log(f"Deferred propagation stamp generation did not succeed. Failing {selected_lxm}.", RNS.LOG_ERROR)
selected_lxm.stamp_generation_failed = True
self.pending_deferred_stamps.pop(selected_message_id)
self.fail_message(selected_lxm)
if stamp_generation_success and propagation_stamp_generation_success:
self.pending_deferred_stamps.pop(selected_message_id)
self.pending_outbound.append(selected_lxm)
def propagation_transfer_signalling_packet(self, data, packet):
try:
unpacked = msgpack.unpackb(data)
if type(unpacked) == list and len(unpacked) >= 1:
signal = unpacked[0]
if signal == LXMPeer.ERROR_INVALID_STAMP:
RNS.log("Message rejected by propagation node", RNS.LOG_ERROR)
if hasattr(packet, "link") and hasattr(packet.link, "for_lxmessage"):
lxm = packet.link.for_lxmessage
RNS.log(f"Invalid propagation stamp on {lxm}", RNS.LOG_ERROR)
self.cancel_outbound(lxm.message_id, cancel_state=LXMessage.REJECTED)
except Exception as e:
RNS.log(f"An error occurred while processing propagation transfer signalling. The contained exception was: {e}", RNS.LOG_ERROR)
def process_outbound(self, sender = None):
if self.processing_outbound:
@ -2347,7 +2442,7 @@ class LXMRouter:
elif lxmessage.state == LXMessage.REJECTED:
RNS.log("Receiver rejected "+str(lxmessage)+", removing from outbound queue", RNS.LOG_DEBUG)
self.pending_outbound.remove(lxmessage)
if lxmessage in self.pending_outbound: self.pending_outbound.remove(lxmessage)
if lxmessage.failed_callback != None and callable(lxmessage.failed_callback):
lxmessage.failed_callback(lxmessage)
@ -2512,6 +2607,8 @@ class LXMRouter:
propagation_node_identity = RNS.Identity.recall(self.outbound_propagation_node)
propagation_node_destination = RNS.Destination(propagation_node_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, APP_NAME, "propagation")
self.outbound_propagation_link = RNS.Link(propagation_node_destination, established_callback=self.process_outbound)
self.outbound_propagation_link.set_packet_callback(self.propagation_transfer_signalling_packet)
self.outbound_propagation_link.for_lxmessage = lxmessage
else:
RNS.log("No path known for propagation attempt "+str(lxmessage.delivery_attempts)+" to "+RNS.prettyhexrep(self.outbound_propagation_node)+". Requesting path...", RNS.LOG_DEBUG)
RNS.Transport.request_path(self.outbound_propagation_node)

View file

@ -145,26 +145,32 @@ class LXMessage:
self.set_fields(fields)
self.payload = None
self.timestamp = None
self.signature = None
self.hash = None
self.packed = None
self.state = LXMessage.GENERATING
self.method = LXMessage.UNKNOWN
self.progress = 0.0
self.rssi = None
self.snr = None
self.q = None
self.payload = None
self.timestamp = None
self.signature = None
self.hash = None
self.transient_id = None
self.packed = None
self.state = LXMessage.GENERATING
self.method = LXMessage.UNKNOWN
self.progress = 0.0
self.rssi = None
self.snr = None
self.q = None
self.stamp = None
self.stamp_cost = stamp_cost
self.stamp_value = None
self.stamp_valid = False
self.stamp_checked = False
self.defer_stamp = True
self.outbound_ticket = None
self.include_ticket = include_ticket
self.stamp = None
self.stamp_cost = stamp_cost
self.stamp_value = None
self.stamp_valid = False
self.stamp_checked = False
self.propagation_stamp = None
self.propagation_stamp_value = None
self.propagation_stamp_valid = False
self.propagation_target_cost = None
self.defer_stamp = True
self.defer_propagation_stamp = True
self.outbound_ticket = None
self.include_ticket = include_ticket
self.propagation_packed = None
self.paper_packed = None
@ -184,6 +190,7 @@ class LXMessage:
self.resource_representation = None
self.__delivery_destination = None
self.__delivery_callback = None
self.__pn_encrypted_data = None
self.failed_callback = None
self.deferred_stamp_generating = False
@ -324,10 +331,35 @@ class LXMessage:
else:
return None
def get_propagation_stamp(self, target_cost, timeout=None):
# If a stamp was already generated, return
# it immediately.
if self.propagation_stamp != None:
return self.propagation_stamp
# Otherwise, we will need to generate a
# valid stamp according to the cost that
# the propagation node has specified.
else:
self.propagation_target_cost = target_cost
if self.propagation_target_cost == None:
raise ValueError("Cannot generate propagation stamp without configured target propagation cost")
if not self.transient_id: self.pack()
generated_stamp, value = LXStamper.generate_stamp(self.transient_id, target_cost, expand_rounds=LXStamper.WORKBLOCK_EXPAND_ROUNDS_PN)
if generated_stamp:
self.propagation_stamp = generated_stamp
self.propagation_stamp_value = value
self.propagation_stamp_valid = True
return generated_stamp
else:
return None
def pack(self):
if not self.packed:
if self.timestamp == None:
self.timestamp = time.time()
if self.timestamp == None: self.timestamp = time.time()
self.propagation_packed = None
self.paper_packed = None
@ -343,9 +375,8 @@ class LXMessage:
if not self.defer_stamp:
self.stamp = self.get_stamp()
if self.stamp != None:
self.payload.append(self.stamp)
if self.stamp != None: self.payload.append(self.stamp)
signed_part = b""
signed_part += hashed_part
signed_part += self.hash
@ -400,9 +431,14 @@ class LXMessage:
elif self.desired_method == LXMessage.PROPAGATED:
single_packet_content_limit = LXMessage.LINK_PACKET_MAX_CONTENT
encrypted_data = self.__destination.encrypt(self.packed[LXMessage.DESTINATION_LENGTH:])
self.ratchet_id = self.__destination.latest_ratchet_id
self.propagation_packed = msgpack.packb([time.time(), [self.packed[:LXMessage.DESTINATION_LENGTH]+encrypted_data]])
if self.__pn_encrypted_data == None:
self.__pn_encrypted_data = self.__destination.encrypt(self.packed[LXMessage.DESTINATION_LENGTH:])
self.ratchet_id = self.__destination.latest_ratchet_id
lxmf_data = self.packed[:LXMessage.DESTINATION_LENGTH]+self.__pn_encrypted_data
self.transient_id = RNS.Identity.full_hash(lxmf_data)
if self.propagation_stamp != None: lxmf_data += self.propagation_stamp
self.propagation_packed = msgpack.packb([time.time(), [lxmf_data]])
content_size = len(self.propagation_packed)
if content_size <= single_packet_content_limit:

View file

@ -10,7 +10,7 @@ import multiprocessing
WORKBLOCK_EXPAND_ROUNDS = 3000
WORKBLOCK_EXPAND_ROUNDS_PN = 1000
WORKBLOCK_EXPAND_ROUNDS_PEERING = 25
STAMP_SIZE = RNS.Identity.HASHLENGTH
STAMP_SIZE = RNS.Identity.HASHLENGTH//8
PN_VALIDATION_POOL_MIN_SIZE = 256
active_jobs = {}
@ -24,7 +24,7 @@ def stamp_workblock(material, expand_rounds=WORKBLOCK_EXPAND_ROUNDS):
salt=RNS.Identity.full_hash(material+msgpack.packb(n)),
context=None)
wb_time = time.time() - wb_st
RNS.log(f"Stamp workblock size {RNS.prettysize(len(workblock))}, generated in {round(wb_time*1000,2)}ms", RNS.LOG_DEBUG)
# RNS.log(f"Stamp workblock size {RNS.prettysize(len(workblock))}, generated in {round(wb_time*1000,2)}ms", RNS.LOG_DEBUG)
return workblock
@ -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 False, None, None
if len(transient_data) <= LXMessage.LXMF_OVERHEAD+STAMP_SIZE: return 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 False, None, None
if not stamp_valid(stamp, target_cost, workblock): return None, None, None
else:
value = stamp_value(workblock, stamp)
return True, transient_id, value
return transient_id, lxm_data, value
def validate_pn_stamps_job_simple(transient_list, target_cost):
validated_messages = []
for transient_data in transient_list:
stamp_valid, transient_id, value = validate_pn_stamp(transient_data, target_cost)
if stamp_valid: validated_messages.append([transient_id, transient_data, value])
transient_id, lxm_data, value = validate_pn_stamp(transient_data, target_cost)
if transient_id: validated_messages.append([transient_id, lxm_data, value])
return validated_messages
@ -80,7 +80,7 @@ def validate_pn_stamps_job_multip(transient_list, target_cost):
with multiprocessing.Pool(pool_count) as p:
validated_entries = p.starmap(validate_pn_stamp, zip(transient_list, itertools.repeat(target_cost)))
return [e for e in validated_entries if e[0] == True]
return [e for e in validated_entries if e[0] != None]
def validate_pn_stamps(transient_list, target_cost):
non_mp_platform = RNS.vendor.platformutils.is_android()

View file

@ -588,16 +588,18 @@ def get_status(configdir = None, rnsconfigdir = None, verbosity = 0, quietness =
if show_status:
msb = RNS.prettysize(s["messagestore"]["bytes"]); msl = RNS.prettysize(s["messagestore"]["limit"])
ptl = RNS.prettysize(s["propagation_limit"]*1000); uprx = RNS.prettysize(s["unpeered_propagation_rx_bytes"])
ptl = RNS.prettysize(s["propagation_limit"]*1000); psl = RNS.prettysize(s["sync_limit"]*1000);
uprx = RNS.prettysize(s["unpeered_propagation_rx_bytes"])
mscnt = s["messagestore"]["count"]; stp = s["total_peers"]; smp = s["max_peers"]; sdp = s["discovered_peers"]
ssp = s["static_peers"]; cprr = s["clients"]["client_propagation_messages_received"]
cprs = s["clients"]["client_propagation_messages_served"]; upi = s["unpeered_propagation_incoming"]
psc = s["target_stamp_cost"]; scf = s["stamp_cost_flexibility"]
pc = s["peering_cost"]; pcm = s["max_peering_cost"]
print(f"Messagestore contains {mscnt} messages, {msb} ({ms_util} utilised of {msl})")
print(f"Accepting propagated messages from {who_str}, {ptl} per-transfer limit")
print(f"Required propagation stamp cost is {psc}, flexibility is {scf}")
print(f"Peering cost is {pc}, max remote peering cost is {pcm}")
print(f"Accepting propagated messages from {who_str}")
print(f"{ptl} message limit, {psl} sync limit")
print(f"")
print(f"Peers : {stp} total (peer limit is {smp})")
print(f" {sdp} discovered, {ssp} static")
@ -642,14 +644,16 @@ def get_status(configdir = None, rnsconfigdir = None, verbosity = 0, quietness =
else:
ls = "never synced"
sstr = RNS.prettyspeed(p["str"]); sler = RNS.prettyspeed(p["ler"]); stl = RNS.prettysize(p["transfer_limit"]*1000)
sstr = RNS.prettyspeed(p["str"]); sler = RNS.prettyspeed(p["ler"])
stl = RNS.prettysize(p["transfer_limit"]*1000); ssl = RNS.prettysize(p["sync_limit"]*1000)
srxb = RNS.prettysize(p["rx_bytes"]); stxb = RNS.prettysize(p["tx_bytes"]); pmo = pm["offered"]; pmout = pm["outgoing"]
pmi = pm["incoming"]; pmuh = pm["unhandled"]
print(f"{ind}{t}{RNS.prettyhexrep(peer_id)}")
print(f"{ind*2}Status : {a}, {hs}, last heard {RNS.prettytime(h)} ago")
print(f"{ind*2}Costs : Propagation {psc} (flex {psf}), peering {pc}")
print(f"{ind*2}Sync key : {pk}")
print(f"{ind*2}Speeds : {sstr} STR, {sler} LER, {stl} transfer limit")
print(f"{ind*2}Speeds : {sstr} STR, {sler} LER")
print(f"{ind*2}Limits : {stl} message limit, {ssl} sync limit")
print(f"{ind*2}Messages : {pmo} offered, {pmout} outgoing, {pmi} incoming")
print(f"{ind*2}Traffic : {srxb} received, {stxb} sent")
ms = "" if pm["unhandled"] == 1 else "s"