Files
basicswap/basicswap/network/bsx_network.py

1185 lines
45 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (c) 2025 The Basicswap developers
# Distributed under the MIT software license, see the accompanying
# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
import base64
import json
import zmq
from basicswap.basicswap_util import (
AddressTypes,
MessageNetworkLinkTypes,
MessageNetworks,
MessageTypes,
)
from basicswap.chainparams import (
Coins,
)
from basicswap.db import (
DirectMessageRoute,
NetworkPortal,
SmsgAddress,
)
from basicswap.messages_npb import (
MessagePortalOffer,
MessagePortalSend,
)
from basicswap.network.simplex import (
closeSimplexChat,
encryptMsg,
forwardSimplexMsg,
getResponseData,
initialiseSimplexNetwork,
readSimplexMsgs,
sendSimplexMsg,
)
from basicswap.util import ensure
from basicswap.util.address import (
b58decode,
)
from basicswap.util.logging import LogCategories as LC
from basicswap.util.smsg import smsgGetID
def networkTypeToID(type: str) -> int:
# TODO: remove
if type == "smsg":
return MessageNetworks.SMSG
elif type == "simplex":
return MessageNetworks.SIMPLEX
raise RuntimeError(f"Unknown message network type: {type}")
def networkIDToType(id: int, bridged: bool = False) -> str:
network_name = None
if id == MessageNetworks.SMSG:
network_name = "smsg"
elif id == MessageNetworks.SIMPLEX:
network_name = "simplex"
else:
raise RuntimeError(f"Unknown message network id: {id}")
return ("b." if bridged else "") + network_name
class BSXNetwork:
_read_zmq_queue: bool = True
def __init__(self, data_dir, settings, **kwargs):
self._bridge_networks = self.settings.get("bridge_networks", False)
self._use_direct_message_routes = True
self._smsg_payload_version = 0 # Set in startNetworks (if 0)
self._smsg_add_to_outbox = self.settings.get("smsg_add_to_outbox", False)
self._have_smsg_rpc = False # Set in startNetworks
self._expire_message_routes_after = self._expire_db_records_after = (
self.get_int_setting(
"expire_message_routes_after", 48 * 3600, 10 * 60, 31 * 86400
)
) # Seconds
self.check_smsg_seconds = self.get_int_setting(
"check_smsg_seconds", 10, 1, 10 * 60
)
self._last_checked_smsg = 0
self.check_bridges_seconds = self.get_int_setting(
"check_bridges_seconds", 10, 1, 10 * 60
)
self._last_checked_bridges = 0
self._forget_portals_after = 86400 * 7
self._zmq_queue_enabled = self.settings.get("zmq_queue_enabled", True)
self._poll_smsg = self.settings.get("poll_smsg", False)
self.zmqContext = None
self.zmqSubscriber = None
self.zmq_server_key = self.settings.get("zmq_server_pubkey", None)
self.SMSG_SECONDS_IN_HOUR = (
60 * 60
) # Note: Set smsgsregtestadjust=0 for regtest
self.num_group_simplex_messages_received = 0
self.num_group_simplex_messages_sent = 0
self.num_direct_simplex_messages_received = 0
self.num_direct_simplex_messages_sent = 0
self.num_smsg_messages_received = 0
self.num_smsg_messages_sent = 0
self.known_portals = {}
self.own_portals = {}
super().__init__(data_dir=data_dir, settings=settings, **kwargs)
def finalise(self):
if self._network:
self._network.stopNetwork()
self._network = None
if self.zmqContext:
self.zmqContext.destroy()
def startNetworks(self):
if self._zmq_queue_enabled and self._poll_smsg:
self.log.warning("SMSG polling and zmq listener enabled.")
self.active_networks = []
network_config_list = self.settings.get("networks", [])
if len(network_config_list) < 1:
network_config_list = [{"type": "smsg", "enabled": True}]
self._can_use_smsg_payload2 = False
if (
Coins.PART in self.coin_clients
and self.coin_clients[Coins.PART]["core_version"] > 23020700
):
self._can_use_smsg_payload2 = True
self.log.debug(f'"can_use_smsg_payload2": {self._can_use_smsg_payload2}')
# Set smsg_payload_version automatically if it's unset
was_set: bool = False
if self._smsg_payload_version == 0:
self._smsg_payload_version = int(
self.settings.get(
"smsg_payload_version", 2 if self._can_use_smsg_payload2 else 1
)
)
was_set = True
self.log.debug(
'{}"smsg_payload_version": {}'.format(
"Set " if was_set else "", self._smsg_payload_version
)
)
have_smsg: bool = False
for network in network_config_list:
if network.get("enabled", True) is False:
continue
if network["type"] == "smsg":
have_smsg = True
add_network = {"type": "smsg"}
if "bridged" in network:
if self._smsg_payload_version < 2:
raise ValueError(
'Bridged networks require "smsg_payload_version" >= 2'
)
add_network["bridged"] = network["bridged"]
self.active_networks.append(add_network)
elif network["type"] == "simplex":
initialiseSimplexNetwork(self, network)
if have_smsg:
self._have_smsg_rpc = True
if self._zmq_queue_enabled:
self.zmqContext = zmq.Context()
self.zmqSubscriber = self.zmqContext.socket(zmq.SUB)
if self.zmq_server_key is not None:
zmq_server_key = base64.b64decode(self.zmq_server_key)
zmq_client_key = base64.b64decode(self.settings["zmq_client_key"])
zmq_client_pubkey = base64.b64decode(
self.settings["zmq_client_pubkey"]
)
self.zmqSubscriber.setsockopt(
zmq.CURVE_PUBLICKEY, zmq_client_pubkey
)
self.zmqSubscriber.setsockopt(zmq.CURVE_SECRETKEY, zmq_client_key)
self.zmqSubscriber.setsockopt(zmq.CURVE_SERVERKEY, zmq_server_key)
self.zmqSubscriber.setsockopt_string(zmq.SUBSCRIBE, "smsg")
self.zmqSubscriber.setsockopt_string(zmq.SUBSCRIBE, "hashwtx")
self.zmqSubscriber.connect(
self.settings["zmqhost"] + ":" + str(self.settings["zmqport"])
)
ro = self.callrpc("smsglocalkeys")
found = False
for k in ro["smsg_keys"]:
if k["address"] == self.network_addr:
found = True
break
if not found:
self.log.info("Importing network key to SMSG")
self.callrpc(
"smsgimportprivkey", [self.network_key, "basicswap offers"]
)
ro = self.callrpc("smsglocalkeys", ["anon", "-", self.network_addr])
ensure(ro["result"] == "Success.", "smsglocalkeys failed")
else:
now = self.getTime()
try:
cursor = self.openDB()
query: str = "SELECT addr_id FROM smsgaddresses WHERE addr = :addr"
addresses = cursor.execute(
query, {"addr": self.network_addr}
).fetchall()
if len(addresses) < 1:
query: str = (
"INSERT INTO smsgaddresses (active_ind, created_at, addr, pubkey, use_type) VALUES (:active_ind, :created_at, :addr, :pubkey, :use_type)"
)
cursor.execute(
query,
{
"active_ind": 1,
"created_at": now,
"addr": self.network_addr,
"pubkey": self.network_pubkey,
"use_type": AddressTypes.OFFER,
},
)
finally:
self.closeDB(cursor)
# TODO: Ensure smsg is enabled for the active wallet.
if self._can_use_smsg_payload2:
self.callrpc("smsgoptions", ["set", "addReceivedPubkeys", False])
now: int = self.getTime()
# Load portal data
try:
cursor = self.openDB()
portals = self.query(
NetworkPortal,
cursor,
)
for portal_data in portals:
if portal_data.time_start + portal_data.time_valid < now:
# Database records are kept longer
continue
if portal_data.own_portal == 1:
self.own_portals.add(portal_data)
else:
self.known_portals.add(portal_data)
finally:
self.closeDB(cursor)
def add_connection(self, host, port, peer_pubkey):
self.log.info(f"add_connection {host} {port} {peer_pubkey.hex()}.")
self._network.add_connection(host, port, peer_pubkey)
def get_network_info(self):
if not self._network:
return {"Error": "Not Initialised"}
return self._network.get_info()
def getPrivkeyForAddress(self, cursor, addr: str) -> bytes:
ci_part = self.ci(Coins.PART)
try:
return ci_part.decodeKey(
self.callrpc(
"smsgdumpprivkey",
[
addr,
],
)
)
except Exception as e: # noqa: F841
pass
try:
return ci_part.decodeKey(
ci_part.rpc_wallet(
"dumpprivkey",
[
addr,
],
)
)
except Exception as e: # noqa: F841
pass
raise ValueError("key not found")
def getPubkeyForAddress(self, cursor, addr: str) -> bytes:
if addr == self.network_addr:
return bytes.fromhex(self.network_pubkey)
use_cursor = self.openDB(cursor)
try:
query: str = "SELECT pk_from FROM offers WHERE addr_from = :addr_to LIMIT 1"
rows = use_cursor.execute(query, {"addr_to": addr}).fetchall()
if len(rows) > 0:
return rows[0][0]
query: str = (
"SELECT pk_bid_addr FROM bids WHERE bid_addr = :addr_to LIMIT 1"
)
rows = use_cursor.execute(query, {"addr_to": addr}).fetchall()
if len(rows) > 0:
return rows[0][0]
query: str = "SELECT pubkey FROM smsgaddresses WHERE addr = :addr LIMIT 1"
rows = use_cursor.execute(query, {"addr": addr}).fetchall()
if len(rows) > 0:
return bytes.fromhex(rows[0][0])
finally:
if cursor is None:
self.closeDB(use_cursor, commit=False)
if self._have_smsg_rpc:
try:
rv = self.callrpc(
"smsggetpubkey",
[
addr,
],
)
return b58decode(rv["publickey"])
except Exception as e: # noqa: F841
pass
raise ValueError(f"Could not get public key for address: {addr}")
def addMessageNetworkLink(
self, linked_type, linked_id, link_type, network_id, cursor
) -> None:
now: int = self.getTime()
query = """INSERT INTO message_network_links
(active_ind, linked_type, linked_id, link_type, network_id, created_at)
VALUES
(1, :linked_type, :linked_id, :link_type, :network_id, :created_at)"""
cursor.execute(
query,
{
"linked_type": linked_type,
"linked_id": linked_id,
"link_type": link_type,
"network_id": network_id,
"created_at": now,
},
)
def getActiveNetwork(self, network_id: int):
for network in self.active_networks:
if networkTypeToID(network["type"]) == network_id:
return network
raise RuntimeError("Network not found.")
def getActiveNetworkInterface(self, network_id: int):
network = self.getActiveNetwork(network_id)
return network["ws_thread"]
def getMessageNetsString(self, with_bridged: bool = False) -> str:
if self._smsg_payload_version < 2:
return ""
active_networks_set = set()
bridged_networks_set = set()
for network in self.active_networks:
network_type = network.get("type", "smsg")
active_networks_set.add(network_type)
if with_bridged is False:
continue
for bridged_network in network.get("bridged", []):
bridged_network_type = bridged_network.get("type", "smsg")
bridged_networks_set.add(bridged_network_type)
all_networks = active_networks_set
# Join without duplicates, bridged networks are prefixed with "b."
for bridged_network in bridged_networks_set:
if bridged_network not in active_networks_set:
all_networks.add("b." + bridged_network)
return ",".join(all_networks)
def selectMessageNetString(
self, received_on_network_ids, remote_message_nets: str
) -> str:
if self._smsg_payload_version < 2:
return ""
active_networks_set = set()
bridged_networks_set = set()
for network in self.active_networks:
network_type: str = network.get("type", "smsg")
active_networks_set.add(networkTypeToID(network_type))
for bridged_network in network.get("bridged", []):
bridged_network_type = bridged_network.get("type", "smsg")
bridged_networks_set.add(networkTypeToID(bridged_network_type))
remote_active_network_ids, remote_bridged_network_ids = self.expandMessageNets(
remote_message_nets
)
if len(received_on_network_ids) < 1:
self.log.debug("selectMessageNetString: received_on_network_ids is empty.")
received_on_network_ids.append(MessageNetworks.SMSG)
# If no data was sent it must be from an old version
if len(remote_active_network_ids) < 1 and len(remote_bridged_network_ids) < 1:
return networkIDToType(received_on_network_ids[0])
# Choose which network to respond on
# Pick the received on network if it's in the local node's active networks and the list of remote node's active networks
# else prefer a network the local node has active
for received_on_id in received_on_network_ids:
if (
received_on_id in active_networks_set
and received_on_id in remote_active_network_ids
):
return networkIDToType(received_on_id)
# Prefer to use a network both nodes have active
for local_net_id in active_networks_set:
if local_net_id in remote_active_network_ids:
return networkIDToType(local_net_id)
# Else prefer to use a network this node has active
for local_net_id in active_networks_set:
if local_net_id in remote_bridged_network_ids:
return networkIDToType(local_net_id, True)
for local_net_id in bridged_networks_set:
if local_net_id in remote_active_network_ids:
return networkIDToType(local_net_id, True)
for local_net_id in bridged_networks_set:
if local_net_id in remote_bridged_network_ids:
return networkIDToType(local_net_id, True)
raise RuntimeError("Unable to select network to respond on")
def selectMessageNetStringForConcept(
self, linked_type: int, linked_id: bytes, remote_message_nets: str, cursor
) -> str:
received_on_network_ids = set()
query = """SELECT network_id FROM message_network_links
WHERE linked_type = :linked_type AND linked_id = :linked_id AND link_type = :link_type"""
rows = cursor.execute(
query,
{
"linked_type": linked_type,
"linked_id": linked_id,
"link_type": MessageNetworkLinkTypes.RECEIVED_ON,
},
)
for row in rows:
# TODO: rank networks
network_id = row[0]
received_on_network_ids.add(network_id)
return self.selectMessageNetString(
list(received_on_network_ids), remote_message_nets
)
def expandMessageNets(self, message_nets: str) -> (list, list):
if message_nets is None or len(message_nets) < 1:
return [], []
if len(message_nets) > 256:
raise ValueError("message_nets string is too large")
active_networks = []
bridged_networks = []
for network_string in message_nets.split(","):
add_to_list = active_networks
if network_string.startswith("b."):
network_string = network_string[2:]
add_to_list = bridged_networks
try:
network_id: int = networkTypeToID(network_string)
except Exception as e: # noqa: F841
self.log.debug(f"Unknown message_net {network_string}")
if network_id in active_networks or network_id in bridged_networks:
raise ValueError("Malformed networks data.")
add_to_list.append(network_id)
return active_networks, bridged_networks
def validateMessageNets(self, message_nets: str) -> None:
# Decode to validate
_, _ = self.expandMessageNets(message_nets)
def getMessageRoute(
self, network_id: int, address_from: str, address_to: str, cursor=None
):
try:
use_cursor = self.openDB(cursor)
route = self.queryOne(
DirectMessageRoute,
use_cursor,
{
"network_id": network_id,
"smsg_addr_local": address_from,
"smsg_addr_remote": address_to,
},
)
return route
finally:
if cursor is None:
self.closeDB(use_cursor)
def setMsgSplitInfo(self, xmr_swap) -> None:
for network in self.active_networks:
if network["type"] == "simplex":
xmr_swap.msg_split_info = "9000:11000"
return
for bridged_network in network.get("bridged", []):
if bridged_network["type"] == "simplex":
xmr_swap.msg_split_info = "9000:11000"
return
xmr_swap.msg_split_info = "16000:17000"
def sendMessage(
self,
addr_from: str,
addr_to: str,
payload_hex: bytes,
msg_valid: int,
cursor,
linked_type=None,
linked_id=None,
timestamp=None,
deterministic=False,
message_nets=None, # None|empty -> all
payload_version=None,
) -> bytes:
message_id: bytes = None
active_networks_list, bridged_networks_list = self.expandMessageNets(
message_nets
)
# Empty list means send to all networks
networks_list = active_networks_list + bridged_networks_list
networks_sent_to = set()
# Message routes work only with simplex messages for now.
message_route = self.getMessageRoute(1, addr_from, addr_to, cursor=cursor)
if message_route:
raise RuntimeError("Trying to send through an unestablished direct route.")
message_route = self.getMessageRoute(2, addr_from, addr_to, cursor=cursor)
if message_route:
network = self.getActiveNetwork(MessageNetworks.SIMPLEX)
net_i = network["ws_thread"]
remote_name = None
route_data = json.loads(message_route.route_data.decode("UTF-8"))
if "localDisplayName" in route_data:
remote_name = route_data["localDisplayName"]
else:
pccConnId = route_data["pccConnId"]
self.log.debug(f"Finding name for Simplex chat, ID: {pccConnId}")
cmd_id = net_i.send_command("/chats")
response = net_i.wait_for_command_response(cmd_id)
for chat in getResponseData(response, "chats"):
if (
"chatInfo" not in chat
or "type" not in chat["chatInfo"]
or chat["chatInfo"]["type"] != "direct"
):
continue
try:
if (
chat["chatInfo"]["contact"]["activeConn"]["connId"]
== pccConnId
):
remote_name = chat["chatInfo"]["contact"][
"localDisplayName"
]
break
except Exception as e:
self.log.debug(f"Error parsing chat: {e}")
if remote_name is None:
raise RuntimeError(
f"Unable to find remote name for simplex direct chat, pccConnId: {pccConnId}"
)
message_id = sendSimplexMsg(
self,
network,
addr_from,
addr_to,
bytes.fromhex(payload_hex),
msg_valid,
cursor,
timestamp,
deterministic,
to_user_name=remote_name,
)
return message_id
smsg_difficulty: int = 0x1EFFFFFF
if self._have_smsg_rpc and self._smsg_payload_version >= 2:
smsg_difficulty = self.callrpc("smsggetdifficulty", [-1, True])
else:
self.log.debug("TODO, get difficulty from a portal")
# First network in list will set message_id
smsg_msg: bytes = None
for network in self.active_networks:
net_message_id = None
network_type: int = networkTypeToID(network.get("type", "smsg"))
if network_type in networks_sent_to:
self.logD(
LC.NET, f"Skipping active network {network_type}, already sent to"
)
continue
if len(networks_list) > 0 and network_type not in networks_list:
self.logD(
LC.NET,
f"Skipping active network {network_type}, not in networks_list",
)
continue
if network_type == MessageNetworks.SMSG:
if smsg_msg:
self.forwardSmsg(smsg_msg)
else:
if self._smsg_payload_version < 2:
# TODO: Remove when Particl 23.2.8 is min version
net_message_id = self.sendSmsg(
addr_from,
addr_to,
payload_hex,
msg_valid,
return_msg=False,
cursor=cursor,
payload_version=payload_version,
)
else:
net_message_id, smsg_msg = self.sendSmsg(
addr_from,
addr_to,
payload_hex,
msg_valid,
return_msg=True,
cursor=cursor,
payload_version=payload_version,
)
elif network_type == MessageNetworks.SIMPLEX:
if smsg_msg:
forwardSimplexMsg(self, network, smsg_msg)
else:
net_message_id, smsg_msg = sendSimplexMsg(
self,
network,
addr_from,
addr_to,
bytes.fromhex(payload_hex),
msg_valid,
cursor,
timestamp,
deterministic,
return_msg=True,
difficulty_target=smsg_difficulty,
)
else:
raise ValueError("Unknown network: {}".format(network["type"]))
networks_sent_to.add(network_type)
if not message_id:
message_id = net_message_id
for network in self.active_networks:
net_message_id = None
network_type_from = networkTypeToID(network.get("type", "smsg"))
if network_type_from not in self.known_portals:
self.known_portals[network_type_from] = {}
portals_from = self.known_portals[network_type_from]
for bridged_network in network.get("bridged", []):
network_type_to = networkTypeToID(bridged_network["type"])
if network_type_to in networks_sent_to:
self.logD(
LC.NET,
f"Skipping bridged network {network_type_to}, already sent to",
)
continue
if len(networks_list) > 0 and network_type_to not in networks_list:
self.logD(
LC.NET,
f"Skipping bridged network {network_type_to}, not in networks_list",
)
continue
if network_type_to not in portals_from:
portals_from[network_type_to] = []
portals_from_to = portals_from[network_type_to]
use_portal = None
for portal in portals_from_to:
if use_portal is None:
use_portal = portal
else:
# TODO: Pick better
if portal.num_issues < use_portal.num_issues:
use_portal = portal
if use_portal is None:
self.log.warning(
f"Could not pick portal to network {network_type_to}, msg {self.logIDM(net_message_id)}"
)
else:
if smsg_msg is None:
smsg_msg = encryptMsg(
self,
addr_from,
addr_to,
bytes.fromhex(payload_hex),
msg_valid,
cursor,
timestamp,
deterministic,
use_portal.smsg_difficulty,
)
if not message_id:
message_id = smsgGetID(smsg_msg)
forward_to = None # TODO - simplex username
self.usePortal(use_portal, smsg_msg, addr_from, forward_to, cursor)
networks_sent_to.add(network_type_to)
return message_id
def sendSmsg(
self,
addr_from: str,
addr_to: str,
payload_hex: bytes,
msg_valid: int,
return_msg: bool = False,
cursor=None,
payload_version: int = None,
) -> bytes:
options = {"decodehex": True, "ttl_is_seconds": True}
use_payload_version = (
self._smsg_payload_version if payload_version is None else payload_version
)
if use_payload_version >= 2:
options["payload_format_version"] = 2
options["compression"] = 0
if self._can_use_smsg_payload2:
send_to = self.getPubkeyForAddress(cursor, addr_to).hex()
else:
send_to = addr_to
if self._smsg_add_to_outbox is False:
options["savemsg"] = False
if return_msg:
options["returnmsg"] = True
try:
ro = self.callrpc(
"smsgsend",
[addr_from, send_to, payload_hex, False, msg_valid, False, options],
)
self.num_smsg_messages_sent += 1
if return_msg:
return bytes.fromhex(ro["msgid"]), bytes.fromhex(ro["msg"])
return bytes.fromhex(ro["msgid"])
except Exception as e:
if self.debug:
self.log.error("smsgsend failed {}".format(json.dumps(ro, indent=4)))
raise e
def forwardSmsg(self, smsg_msg: bytes) -> None:
options = {"submitmsg": True, "rehashmsg": False}
self.callrpc("smsgimport", [smsg_msg.hex(), options])
self.num_smsg_messages_sent += 1
def processContactDisconnected(self, event_data) -> None:
net_i = self.getActiveNetworkInterface(MessageNetworks.SIMPLEX)
connId = getResponseData(event_data, "contact")["activeConn"]["connId"]
self.log.info(f"Direct message route disconnected, connId: {connId}")
closeSimplexChat(self, net_i, connId)
query_str = "SELECT record_id, network_id, smsg_addr_local, smsg_addr_remote, route_data FROM direct_message_routes"
try:
cursor = self.openDB()
rows = cursor.execute(query_str).fetchall()
for row in rows:
record_id, network_id, smsg_addr_local, smsg_addr_remote, route_data = (
row
)
route_data = json.loads(route_data.decode("UTF-8"))
if connId == route_data["pccConnId"]:
self.log.debug(f"Removing direct message route: {record_id}.")
cursor.execute(
"DELETE FROM direct_message_routes WHERE record_id = :record_id ",
{"record_id": record_id},
)
break
finally:
self.closeDB(cursor)
def closeMessageRoute(self, record_id, network_id, route_data, cursor):
net_i = self.getActiveNetworkInterface(MessageNetworks.SIMPLEX)
connId = route_data["pccConnId"]
self.log.info(f"Closing Simplex chat, id: {connId}")
closeSimplexChat(self, net_i, connId)
self.log.debug(f"Removing direct message route: {record_id}.")
cursor.execute(
"DELETE FROM direct_message_routes WHERE record_id = :record_id ",
{"record_id": record_id},
)
self.commitDB()
def getSmsgMsgPayloadVersion(self, msg) -> int:
return msg.get("payloadversion", self._smsg_payload_version)
def getSmsgMsgBytes(self, msg) -> bytes:
payload_version = self.getSmsgMsgPayloadVersion(msg)
if payload_version < 2:
return bytes.fromhex(msg["hex"][2:-2])
return bytes.fromhex(msg["hex"][2:])
def processZmqSmsg(self, message) -> None:
if message[0] == 3: # Paid smsg
return # TODO: Switch to paid?
msg_id = message[2:]
options = {"encoding": "hex", "setread": True}
if self._can_use_smsg_payload2:
options["pubkey_from"] = True
num_tries = 5
for i in range(num_tries + 1):
try:
msg = self.callrpc("smsg", [msg_id.hex(), options])
break
except Exception as e:
if "Unknown message id" in str(e) and i < num_tries:
self.delay_event.wait(1)
else:
raise RuntimeError(f'"smsg" failed for {msg_id.hex()}: {e}')
self.processMsg(msg)
def newPortal(self, network_from_id, network_to_id, now):
addr_to: str = self.network_addr
cursor = self.openDB()
try:
addr_portal: str = self.prepareSMSGAddress(
None, AddressTypes.PORTAL_LOCAL, cursor
)
portal = NetworkPortal()
portal.set(
now, 30 * 60, network_from_id, network_to_id, addr_portal, addr_to
)
portal.created_at = now
portal.own_portal = True
portal.record_id = self.add(portal, cursor)
finally:
self.closeDB(cursor)
smsg_difficulty: int = 0x1EFFFFFF
if self._have_smsg_rpc:
smsg_difficulty = self.callrpc("smsggetdifficulty", [-1, True])
msg_buf = MessagePortalOffer()
msg_buf.network_type_from = network_from_id
msg_buf.network_type_to = network_to_id
msg_buf.time_valid = portal.time_valid
msg_buf.smsg_difficulty = smsg_difficulty
payload_hex = (
str.format("{:02x}", MessageTypes.PORTAL_OFFER) + msg_buf.to_bytes().hex()
)
msg_valid: int = max(self.SMSG_SECONDS_IN_HOUR, portal.time_valid)
if network_from_id == MessageNetworks.SMSG:
net_message_id = self.sendSmsg(
addr_portal, addr_to, payload_hex, msg_valid, cursor=cursor
)
elif network_from_id == MessageNetworks.SIMPLEX:
network = self.getActiveNetwork(MessageNetworks.SIMPLEX)
deterministic: bool = True
cursor = self.openDB()
try:
net_message_id = sendSimplexMsg(
self,
network,
addr_portal,
addr_to,
bytes.fromhex(payload_hex),
msg_valid,
cursor,
portal.time_start,
deterministic,
)
finally:
self.closeDB(cursor)
else:
raise RuntimeError(f"Unknown network id {network_from_id}")
if network_from_id not in self.own_portals:
self.own_portals[network_from_id] = {}
self.own_portals[network_from_id][network_to_id] = portal
portal = self.own_portals.get(network_from_id, {}).get(network_to_id, None)
self.logD(
LC.NET,
f"Opened new portal {addr_portal} {network_from_id} -> {network_to_id}, {self.logIDM(net_message_id)}",
)
def refreshPortal(self, portal):
# TODO: Add random delay between refreshes
now: int = self.getTime()
addr_portal: str = portal.address_from
addr_to: str = self.network_addr
smsg_difficulty: int = 0x1EFFFFFF
if self._have_smsg_rpc:
smsg_difficulty = self.callrpc("smsggetdifficulty", [-1, True])
msg_buf = MessagePortalOffer()
msg_buf.network_type_from = portal.network_from
msg_buf.network_type_to = portal.network_to
msg_buf.time_valid = portal.time_valid
msg_buf.smsg_difficulty = smsg_difficulty
payload_hex = (
str.format("{:02x}", MessageTypes.PORTAL_OFFER) + msg_buf.to_bytes().hex()
)
cursor = self.openDB()
try:
msg_valid: int = max(self.SMSG_SECONDS_IN_HOUR, portal.time_valid)
if portal.network_from == MessageNetworks.SMSG:
net_message_id = self.sendSmsg(
addr_portal, addr_to, payload_hex, msg_valid, cursor=cursor
)
elif portal.network_from == MessageNetworks.SIMPLEX:
network = self.getActiveNetwork(MessageNetworks.SIMPLEX)
net_message_id = sendSimplexMsg(
self,
network,
addr_portal,
addr_to,
bytes.fromhex(payload_hex),
msg_valid,
cursor,
portal.time_start,
)
else:
raise RuntimeError(f"Unknown network id {portal.network_from}")
finally:
self.closeDB(cursor)
portal.time_start = now
self.logD(
LC.NET,
f"Refreshed portal {addr_portal} {portal.network_from} -> {portal.network_to}, {self.logIDM(net_message_id)}",
)
def usePortal(self, portal, smsg, addr_from: str, forward_to: str, cursor):
if forward_to is not None:
raise ValueError("TODO")
now: int = self.getTime()
msg_buf = MessagePortalSend()
msg_buf.message_bytes = smsg
payload_hex = (
str.format("{:02x}", MessageTypes.PORTAL_SEND) + msg_buf.to_bytes().hex()
)
msg_valid: int = max(self.SMSG_SECONDS_IN_HOUR, portal.time_valid)
addr_to: str = portal.address_from
if portal.network_from == MessageNetworks.SMSG:
net_message_id = self.sendSmsg(
addr_from, addr_to, payload_hex, msg_valid, cursor=cursor
)
elif portal.network_from == MessageNetworks.SIMPLEX:
network = self.getActiveNetwork(MessageNetworks.SIMPLEX)
net_message_id = sendSimplexMsg(
self,
network,
addr_from,
addr_to,
bytes.fromhex(payload_hex),
msg_valid,
cursor,
now,
)
else:
raise ValueError("Unknown network from ind.")
self.logD(
LC.NET,
f"Sending through portal {portal.address_from} {portal.network_from} -> {portal.network_to}, {self.logIDM(net_message_id)}",
)
def processPortalOffer(self, msg) -> None:
self.log.debug(
"Processing network portal offer {}.".format(self.log.id(msg["msgid"]))
)
network_received_on: int = networkTypeToID(msg.get("msg_net", "smsg"))
time_start: int = msg["sent"]
addr_portal: str = msg["from"]
msg_bytes = self.getSmsgMsgBytes(msg)
portal_data = MessagePortalOffer(init_all=False)
portal_data.from_bytes(msg_bytes)
if portal_data.network_type_from != network_received_on:
raise RuntimeError("Network from must match network received on.")
network_from = self.getActiveNetwork(portal_data.network_type_from)
# Ignore own portals
for network_to_id, portal in self.own_portals.get(
portal_data.network_type_from, {}
).items():
if portal.address_from == addr_portal:
self.log.debug("Ignoring own portal.")
return
# Skip portals to networks this node is not using
found_enabled_bridge: bool = False
enabled_bridged = network_from.get("bridged", [])
for network_to_cross in enabled_bridged:
if network_to_cross.get("enabled", True) is False:
continue
if (
networkTypeToID(network_to_cross.get("type", "smsg"))
== portal_data.network_type_to
):
found_enabled_bridge = True
break
if found_enabled_bridge is False:
self.log.debug("Ignoring portal to an unbridged network.")
return
now: int = self.getTime()
if time_start + portal_data.time_valid < now:
self.log.warning("Offered portal is expired.")
return
cursor = self.openDB()
try:
received_portal = self.queryOne(
NetworkPortal,
cursor,
{
"address_from": addr_portal,
},
)
if received_portal is None:
received_portal = NetworkPortal()
received_portal.set(
time_start,
portal_data.time_valid,
portal_data.network_type_from,
portal_data.network_type_to,
addr_portal,
portal_data.portal_address_to,
)
received_portal.created_at = now
else:
received_portal.num_refreshes += 1
received_portal.smsg_difficulty = portal_data.smsg_difficulty
received_portal.time_start = time_start
received_portal.time_valid = portal_data.time_valid
self.add(received_portal, cursor, upsert=True)
address_record = self.queryOne(
SmsgAddress,
cursor,
{
"addr": addr_portal,
},
)
if address_record is None or len(address_record.pubkey) < 33:
if address_record is None:
address_record = SmsgAddress()
address_record.active_ind = 1
address_record.created_at = now
address_record.addr = received_portal.address_from
address_record.use_type = AddressTypes.PORTAL
address_record.pubkey = msg["pubkey_from"]
self.add(address_record, cursor, upsert=True)
finally:
self.closeDB(cursor)
if received_portal.network_from not in self.known_portals:
self.known_portals[received_portal.network_from] = {}
portals_from = self.known_portals[received_portal.network_from]
if received_portal.network_to not in portals_from:
portals_from[received_portal.network_to] = []
portals_from_to = portals_from[received_portal.network_to]
for portal in portals_from_to:
if portal.address_from == received_portal.address_from:
portal.num_refreshes = received_portal.num_refreshes
portal.time_start = received_portal.time_start
portal.time_valid = received_portal.time_valid
portal.smsg_difficulty = received_portal.smsg_difficulty
return
portals_from_to.append(received_portal)
def processPortalMessage(self, msg):
msg_id = msg["msgid"]
self.log.debug(f"Processing network portal message {msg_id}.")
addr_to: str = msg["to"]
network_from_id: int = networkTypeToID(msg.get("msg_net", "smsg"))
from_portals = self.own_portals.get(network_from_id, {})
portal = None
for network_to_id, to_portal in from_portals.items():
if to_portal.address_from == addr_to:
portal = to_portal
break
if portal is None:
self.log.debug(f"Portal not found for portal message {msg_id}")
return
network_to_id = portal.network_to
msg_bytes = self.getSmsgMsgBytes(msg)
portal_msg = MessagePortalSend(init_all=False)
portal_msg.from_bytes(msg_bytes)
if network_to_id == MessageNetworks.SMSG:
self.forwardSmsg(portal_msg.message_bytes)
elif network_to_id == MessageNetworks.SIMPLEX:
network = self.getActiveNetwork(MessageNetworks.SIMPLEX)
forwardSimplexMsg(self, network, portal_msg.message_bytes)
else:
raise ValueError(f"Unknown network ID {network_to_id}")
portal.messages_sent += 1
cursor = self.openDB()
try:
portal_record = self.queryOne(
NetworkPortal,
cursor,
{
"address_from": portal.address_from,
},
)
portal_record.messages_sent = portal.messages_sent
self.add(portal_record, cursor, upsert=True)
finally:
self.closeDB(cursor)
def updateNetworkBridges(self, now: int) -> None:
for network in self.active_networks:
network_from_id: int = networkTypeToID(network["type"])
for other_network in self.active_networks:
if network == other_network:
continue
network_id: int = networkTypeToID(other_network["type"])
portal = self.own_portals.get(network_from_id, {}).get(network_id, None)
if portal is None:
self.newPortal(network_from_id, network_id, now)
else:
if portal.time_start + portal.time_valid <= now - (5 * 60):
self.refreshPortal(portal)
cursor = self.openDB()
try:
query: str = "DELETE FROM network_portals WHERE time_start < :time_delete"
cursor.execute(query, {"time_delete": now - self._forget_portals_after})
finally:
self.closeDB(cursor)
self._last_checked_bridges = now
def updateNetwork(self) -> None:
now: int = self.getTime()
if self._poll_smsg:
if now - self._last_checked_smsg >= self.check_smsg_seconds:
self._last_checked_smsg = now
options = {"encoding": "hex", "setread": True}
if self._can_use_smsg_payload2:
options["pubkey_from"] = True
msgs = self.callrpc("smsginbox", ["unread", "", options])
for msg in msgs["messages"]:
self.processMsg(msg)
try:
if self._bridge_networks:
if len(self.active_networks) > 1:
if now - self._last_checked_bridges >= self.check_bridges_seconds:
self.updateNetworkBridges(now)
for network in self.active_networks:
if network["type"] == "simplex":
readSimplexMsgs(self, network)
except Exception as ex:
self.logException(f"updateNetwork {ex}")