-
Notifications
You must be signed in to change notification settings - Fork 9
/
gateway_graph.py
590 lines (559 loc) · 25.3 KB
/
gateway_graph.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
# coding: utf-8
import pprint
import os
import json
import utils
import time
import datetime
from routertree import RouteTree, SPVHashTable
from routergraph import RouterGraph
from tcp import create_server_coro, send_tcp_msg_coro, find_connection
from wsocket import WsocketService
from jsonrpc import AsyncJsonRpc
from asyncio import get_event_loop, gather, Task, sleep, ensure_future, iscoroutine
from config import cg_tcp_addr, cg_wsocket_addr, cg_public_ip_port, cg_node_name
from statistics import Statistics, get_timestamp
from glog import tcp_logger, wst_logger
# route_tree.create_node('node',cg_public_ip_port, data={Deposit:xx,Fee:xx,Balance:4 IP:xx,Publickey:xx,SpvList:[]}) # root node
node_list = set()
node = {
"wallet_info": None,
"route_tree": RouteTree(),
"route_graph": RouterGraph(),
"spv_table": SPVHashTable(),
# configurable
"name": cg_node_name
}
global_statistics = Statistics()
class Gateway():
"""
gateway class
"""
TransMessageType=["Rsmc",
"FounderSign",
"Founder",
"RsmcSign",
"FounderFail",
"Settle",
"SettleSign",
"SettleFail",
"RsmcFail",
"Htlc",
"HtlcSign",
"HtlcFail"]
def __init__(self):
"""Counstruct"""
self.websocket = None
self.tcpserver = None
self.rpcserver = None
self.loop = None
self.tcp_pk_dict = {}
self.ws_pk_dict = {}
def _create_service_coros(self):
"""
创建tcp wsocket service coros\n
它们进入event_loop执行后最终返回tcp、wsocket server
"""
return create_server_coro(cg_tcp_addr), WsocketService.create(cg_wsocket_addr), AsyncJsonRpc.start_jsonrpc_serv()
def _save(self, services, loop):
"""
save servers、event loop
"""
self.tcpserver, self.websocket, self.rpcserver = services
self.loop = loop
def start(self):
""" start gateway"""
services_future = gather(*self._create_service_coros())
loop = get_event_loop()
loop.run_until_complete(services_future)
self._save(services_future.result(), loop)
if os.getenv("resume"):
self.resume_channel_from_db()
print("###### Trinity Gateway Start Successfully! ######")
loop.run_forever()
def clearn(self):
"""
clearn task
"""
# print(self.websocket.server)
# self.websocket.close()
tasks = gather(*Task.all_tasks(), loop=self.loop, return_exceptions=True)
# print(">>>>>",tasks,"<<<<<<")
# tasks.add_done_callback(lambda t: t.exception())
tasks.add_done_callback(lambda t: self.loop.stop())
tasks.cancel()
while not tasks.done() and not self.loop.is_closed():
self.loop.run_forever()
def close(self):
self.loop.close()
print("###### Trinity Gateway Closed ######")
async def _stop(self):
"""
delay stop loop\n
avoid CancelledError exception
"""
await sleep(0.25)
self.loop.stop()
def handle_tcp_request(self, protocol, bdata):
try:
data = utils.decode_bytes(bdata)
except UnicodeDecodeError:
return utils.request_handle_result.get("invalid")
else:
if not utils.check_tcp_message_valid(data):
return utils.request_handle_result.get("invalid")
else:
# first save the node_pk and websocket connection map
peername = protocol.transport.get_extra_info('peername')
peer_ip = "{}".format(peername[0])
# check sender is peer or not
# because 'tx message pass on siuatinon' sender may not peer
if peer_ip == utils.get_ip_port(data["Sender"]).split(":")[0]:
node_pk = utils.get_public_key(data["Sender"])
self.tcp_pk_dict[node_pk] = protocol
pprint.pprint(self.tcp_pk_dict)
msg_type = data.get("MessageType")
if msg_type == "JoinNet":
# join net sync node_list
protocol.transport.send(
utils.generate_ack_node_join_msg(
sender, data["Receiver"], node_list
)
)
node_list.add(data["sender"])
elif msg_type == "AckJoin":
node_list.add(data["Receiver"])
node_list = node_list | data["NodeList"]
elif msg_type == "RegisterChannel":
self._send_jsonrpc_msg("TransactionMessage", data)
elif msg_type == "AddChannel":
# basic check
# request wallet to handle
if not utils.check_wallet_url_correct(data["Receiver"], local_url):
# not self's wallet address
protocol.transport.send(utils.generate_error_msg(local_url, data["Sender"], "Invalid wallet address"))
else:
self._send_jsonrpc_msg("CreateChannle", json.dumps(data))
elif msg_type in Gateway.TransMessageType:
self.handle_transaction_message(data)
return utils.request_handle_result.get("correct")
elif msg_type == "ResumeChannel":
message = utils.generate_sync_tree_msg(node["route_tree"], node["wallet_info"]["url"])
# when node accept the restart peer resume the channel request
# then flag the sync message as no need to broadcast to peer's peer
message["Broadcast"] = False
self._send_tcp_msg(data["Sender"], message)
return utils.request_handle_result.get("correct")
elif msg_type == "SyncChannelState":
# node receive the syncchannel msg
# first update self
# then sync to self's neighbors except (has synced)
try:
node["route_graph"].sync_channel_graph(data)
tcp_logger.debug("sync graph from peer successful")
print("**********number of edges is: ",node["route_graph"]._graph.number_of_edges(),"**********")
print("**********",node["route_graph"].show_edgelist(),"**********")
except Exception:
tcp_logger.exception("sync tree from peer raise an exception")
return utils.request_handle_result.get("invalid")
else:
if data["Broadcast"]:
data["Sender"] = node["wallet_info"]["url"]
self.sync_channel_route_to_peer(data)
# node["route_graph"].draw_graph()
return utils.request_handle_result.get("correct")
def handle_wsocket_request(self, websocket, strdata):
"""
handle the websocket request
"""
# first save the spv_pk and websocket connection map
data = utils.json_to_dict(strdata)
spv_pk = utils.get_public_key(data["Sender"])
self.ws_pk_dict[spv_pk] = websocket
# data = {}
msg_type = data.get("MessageType")
# build map bettween spv pk_key with websocket connection
if msg_type == "AddChannel":
# pass the message to wallet to handle
self._send_jsonrpc_msg("method", strdata)
elif msg_type == "CombinationTransaction":
pass
elif msg_type == "PaymentLink":
# to send to wallet
self._send_jsonrpc_msg("TransactionMessage", data)
elif msg_type == "GetRouterInfo":
receiver_pk, receiver_ip_port = utils.parse_url(data.get("Receiver"))
slef_pk, self_ip_port = utils.parse_url(node["wallet_info"]["url"])
# spv transaction to another spv on the same node
if receiver_ip_port == self_ip_port and receiver_pk != slef_pk:
router = {
"FullPath": [(node["wallet_info"]["url"], node["wallet_info"]["fee"])],
"Next": node["wallet_info"]["url"]
}
else:
nids = node["route_graph"].find_shortest_path_decide_by_fee(node["route_graph"].nid, receiver_ip_port)
# next_jump = nids.index()
full_path = []
for nid in nids:
node_object = node["route_graph"]._graph.nodes(nid)
url = node_object.get("Pblickkey") + "@" + node_object.get("Ip")
fee = node_object.get("Fee")
full_path.append((url, fee))
if not len(full_path):
router = None
else:
next_jump = full_path[0][0]
router = {
"FullPath": full_path,
"Next": next_jump
}
message = utils.generate_ack_router_info_msg(router)
self._send_wsocket_msg(websocket, message)
def _send_wsocket_msg(self, con, data):
"""
:param data: dict type
"""
ensure_future(WsocketService.send_msg(con, json.dumps(data)))
def _send_jsonrpc_msg(self, method, data):
"""
:param data: dict type
"""
def send_jsonrpc_callback(futrue):
ex = futrue.exception()
if ex:
print(futrue.exception())
future = ensure_future(
AsyncJsonRpc.jsonrpc_request(get_event_loop(), method, json.dumps(data))
)
future.add_done_callback(send_jsonrpc_callback)
def _send_tcp_msg(self, receiver ,data):
"""
:param receiver: str type: xxxx@ip:port \n
:param data: dict type
"""
# time.sleep(0.04)
bdata = utils.encode_bytes(data)
# addr = utils.get_addr(sender)
# connection = find_connection(receiver)
connection = None
if connection:
tcp_logger.info("find the exist connection")
connection.write(bdata)
else:
def send_tcp_callback(futrue):
ex = futrue.exception()
if ex:
tcp_logger.error("send tcp task raise an exception: {}".format(futrue.exception()))
# print(type(futrue.exception()), futrue.exception())
future = ensure_future(send_tcp_msg_coro(receiver, bdata))
future.add_done_callback(send_tcp_callback)
# add tcp statistics
# global_statistics.stati_tcp.send_times += 1
def handle_jsonrpc_response(self, method, response):
print(response)
def handle_jsonrpc_request(self, method, params):
# print(params)
print(type(params))
if type(params) == str:
data = json.loads(params)
else:
data = params
msg_type = data.get("MessageType")
if method == "ShowNodeList":
return utils.generate_ack_show_node_list(node_list)
if method == "JoinNet":
if data.get("ip"):
self._send_tcp_msg(
data["Receiver"],
utils.generate_join_net_msg()
)
else:
pass
return "{'JoinNet': 'OK'}"
elif method == "SyncWalletData":
print("Get the wallet sync data\n", data)
body = data.get("MessageBody")
node["wallet_info"] = {
"url": body["Publickey"] + "@" + cg_public_ip_port,
"deposit": body["CommitMinDeposit"],
"fee": body["Fee"],
"balance": body["Balance"]
}
# todo init self tree from local file or db
self._init_or_update_self_graph()
return json.dumps(utils.generate_ack_sync_wallet_msg(node["wallet_info"]["url"]))
# search chanenl router return the path
elif method == "GetRouterInfo":
receiver = data.get("Receiver")
receiver_ip_port = utils.parse_url(receiver)[1]
try:
# search tree through ip_port(node identifier in the tree)
nids = node["route_graph"].find_shortest_path_decide_by_fee(node["route_graph"].nid, receiver_ip_port)
# receiver not in the tree
except Exception:
return json.dumps(utils.generate_ack_router_info_msg(None))
# next_jump = nids.index()
full_path = []
for nid in nids:
node_object = node["route_graph"]._graph.nodes[nid]
url = node_object.get("Pblickkey") + "@" + node_object.get("Ip")
fee = node_object.get("Fee")
full_path.append((url, fee))
next_jump = full_path[0][0]
if not len(full_path):
return json.dumps(utils.generate_ack_router_info_msg(None))
else:
router = {
"FullPath": full_path,
"Next": next_jump
}
return json.dumps(utils.generate_ack_router_info_msg(router))
elif method == "TransactionMessage":
if msg_type == "RegisterChannel":
self._send_tcp_msg(data["Receiver"], data)
elif msg_type in Gateway.TransMessageType:
self.handle_transaction_message(data)
elif msg_type in ["PaymentLinkAck", "PaymentAck"]:
recv_pk = utils.get_public_key(data.get("Receiver"))
connection = self.ws_pk_dict.get(recv_pk)
if connection:
self._send_wsocket_msg(connection,data)
else:
wst_logger.info("the receiver is disconnected")
elif method == "SyncBlock":
# push the data to spvs
pass
elif method == "SyncChannel":
self_url = node["wallet_info"]["url"]
channel_founder = data["MessageBody"]["Founder"]
channel_receiver = data["MessageBody"]["Receiver"]
channel_peer = channel_receiver if channel_founder == self_url else channel_founder
if msg_type == "AddChannel":
route_graph = node["route_graph"]
# only channel receiver as the broadcast source
if channel_founder == self_url:
broadcast = True
print("{}and{}build channel,only {} broadcast channel graph".format(channel_founder, channel_peer, channel_peer))
else:
broadcast = False
# if route_graph.has_node(channel_peer):
# sync_type = "add_single_edge"
sync_type = "add_whole_graph"
message = utils.generate_sync_graph_msg(
sync_type,
self_url,
source=self_url,
target=channel_peer,
route_graph=route_graph,
broadcast=broadcast,
excepts=[]
)
self._send_tcp_msg(channel_peer, message)
elif msg_type == "UpdateChannel":
# first update self's balance and sync with self's peers
self_node = node["route_graph"].node
self_node["Balance"] = data["MessageBody"]["Balance"]
message = utils.generate_sync_graph_msg(
"update_node_data",
self_url,
source=self_url,
node=self_node,
excepts=[]
)
self.sync_channel_route_to_peer(message)
elif msg_type == "DeleteChannel":
# remove channel_peer and notification peers
sid = utils.get_ip_port(self_url)
tid = utils.get_ip_port(channel_peer)
node["route_graph"].remove_edge(sid, tid)
message = utils.generate_sync_graph_msg(
"remove_single_edge",
self_url,
source=self_url,
target=channel_peer,
excepts=[]
)
self.sync_channel_route_to_peer(message)
def handle_web_first_connect(self, websocket):
if not node.get("wallet_info"):
node["wallet_info"] = {
"deposit": 5,
"fee": 1,
"url": "03a6fcaac0e13dfbd1dd48a964f92b8450c0c81c28ce508107bc47ddc511d60e75@" + cg_public_ip_port
}
message = utils.generate_node_list_msg(node)
self._send_wsocket_msg(websocket, message)
def handle_wsocket_disconnection(self, websocket):
pass
#self._add_event_push_web_task()
def _add_event_push_web_task(self):
ensure_future(WsocketService.push_by_event(self.websocket.websockets, message))
def _add_timer_push_web_task(self):
message = {}
ensure_future(WsocketService.push_by_timer(self.websocket.websockets, 15, message))
def _init_or_update_self_graph(self):
nid = utils.get_ip_port(node["wallet_info"]["url"])
pk = utils.get_public_key(node["wallet_info"]["url"])
spv_list = node["spv_table"].find(pk)
self_nid = node["route_graph"].nid
data = {
"Nid": nid,
"Ip": nid,
"Pblickkey": pk,
"Name": node["name"],
"Deposit": node["wallet_info"]["deposit"],
"Fee": node["wallet_info"]["fee"],
"Balance": node["wallet_info"]["balance"],
"SpvList": [] if not spv_list else spv_list
}
if not self_nid:
node["route_graph"].add_self_node(data)
else:
node["route_graph"].update_data(data)
# todo sync to self's peers
# node["route_graph"].draw_graph()
def sync_channel_route_to_peer(self, message, path=None, except_peer=None):
"""
:param except_peer: str type (except peer url)
"""
if message.get("SyncType") == "add_whole_graph":
message["MessageBody"] = node["route_graph"].to_json()
# message["Path"] = path
# nodes = message["Nodes"]
# except_nid = None if not except_peer else utils.get_ip_port(except_peer)
# source_nid = utils.get_ip_port(message["Source"])
excepts = message["Excepts"]
# excepts.append(utils.get_ip_port(node["wallet_info"]["url"]))
set_excepts = set(excepts)
set_neighbors = set(node["route_graph"]._graph.neighbors(node["route_graph"].nid))
union_excepts_excepts = set_excepts.union(set_neighbors)
union_excepts_excepts.add(utils.get_ip_port(node["wallet_info"]["url"]))
for ner in set_neighbors:
if ner not in set_excepts:
receiver = node["route_graph"].node["Pblickkey"] + "@" + ner
print("===============sync to the neighbors: {}=============".format(ner))
message["Excepts"] = list(union_excepts_excepts)
self._send_tcp_msg(receiver, message)
def handle_transaction_message(self, data):
"""
:param data: bytes type
"""
receiver_pk, receiver_ip_port = utils.parse_url(data["Receiver"])
self_pk, self_ip_port = utils.parse_url(node["wallet_info"]["url"])
# include router info situation
if data.get("RouterInfo"):
router = data["RouterInfo"]
full_path = router["FullPath"]
next_jump = router["Next"]
# valid msg
if next_jump == node["wallet_info"]["url"]:
# arrive end
if full_path[len(full_path)-1][0] == next_jump:
# spv---node---spv siuation
if len(full_path) == 1:
# right active
message = utils.generate_trigger_transaction_msg(
node["wallet_info"]["url"],
data["Receiver"],
data["MessageBody"]["Value"] - node["wallet_info"]["fee"]
)
pk = utils.parse_url(data["Receiver"])[0]
self._send_wsocket_msg(self.ws_pk_dict[pk], json.dumps(message))
# left active
message = utils.generate_trigger_transaction_msg(
data["Sender"],
node["wallet_info"]["url"],
data["MessageBody"]["Value"] - node["wallet_info"]["fee"]
)
self._send_jsonrpc_msg("TransactionMessage", message)
# xx--node--node--..--xx siuation
else:
# to self's spv
if receiver_pk != self_pk:
message = utils.generate_trigger_transaction_msg(
node["wallet_info"]["url"],
data["Receiver"],
data["MessageBody"]["Value"] - node["wallet_info"]["fee"]
)
pk = utils.parse_url(data["Receiver"])[0]
self._send_wsocket_msg(self.ws_pk_dict[pk], json.dumps(message))
# to self's wallet
# previs hased send the transactions to this node
# do nothing to the origin mesg
else:
pass
# go on pass msg
else:
new_next_jump = full_path[full_path.index([next_jump, node["wallet_info"]["fee"]]) + 1][0]
data["RouterInfo"]["Next"] = new_next_jump
# node1--node2--xxx this for node1 siuation
if data["Sender"] == node["wallet_info"]["url"]:
message = utils.generate_trigger_transaction_msg(
node["wallet_info"]["url"], # self
new_next_jump,
data["MessageBody"]["Value"]
)
self._send_jsonrpc_msg("TransactionMessage", message)
# pxxx---node----exxx for node
else:
# pxxx is spv
if utils.parse_url(data["Sender"])[1] == self_ip_port:
# left active
left_message = utils.generate_trigger_transaction_msg(
data["Sender"],
node["wallet_info"]["url"],
data["MessageBody"]["Value"] - node["wallet_info"]["fee"]
)
# right active
right_message = utils.generate_trigger_transaction_msg(
node["wallet_info"]["url"], # self
new_next_jump,
data["MessageBody"]["Value"] - node["wallet_info"]["fee"]
)
self._send_jsonrpc_msg("TransactionMessage", left_message)
self._send_jsonrpc_msg("TransactionMessage", right_message)
# pxxx is node
else:
message = utils.generate_trigger_transaction_msg(
node["wallet_info"]["url"], # self
new_next_jump,
data["MessageBody"]["Value"] - node["wallet_info"]["fee"]
)
self._send_jsonrpc_msg("TransactionMessage", message)
# addr = utils.get_addr(new_next_jump)
self._send_tcp_msg(new_next_jump, data)
# invalid msg
else:
pass
# no router info situation
# send the msg to receiver directly
else:
if receiver_ip_port == self_ip_port:
# to self's spv
if receiver_pk != self_pk:
self._send_wsocket_msg(self.ws_pk_dict[receiver_pk], data)
# to self's wallet
else:
self._send_jsonrpc_msg("TransactionMessage", data)
# to self's peer
else:
# addr = utils.get_addr(data["Receiver"])
self._send_tcp_msg(data["Receiver"], data)
def resume_channel_from_db(self):
node["wallet_info"] = {
"url": "pk1@localhost:8089",
"deposit": 1,
"fee": 1,
"balance": 10
}
self._init_or_update_self_graph()
peer_list = ["pk2@localhost:8090","pk3@localhost:8091"]
generate_resume_channel_msg = utils.generate_resume_channel_msg
for peer in peer_list:
self._send_tcp_msg(peer, generate_resume_channel_msg(node["wallet_info"]["url"]))
gateway_singleton = Gateway()
if __name__ == "__main__":
from routertree import SPVHashTable
spv_table = SPVHashTable()
utils.mock_node_list_data(route_tree, spv_table)
print(route_tree.nodes)