-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathnotes.exs
467 lines (309 loc) · 16.7 KB
/
notes.exs
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
# Feb 5th
anvil --steps-tracing --fork-url https://moonbeam.unitedbloc.com:3000 -p1454
url = "http://localhost:1454"
tx_hash = "0x792e480e00e4938a5916be01370f4ff36b342eaa41a1ccd27a7aa7a4aead3593"
tx_hash = "0xb41c37d767f71f66149d34324611869cb6315d18fc775241244efabb913f93e9"
{:ok, trace} = RemoteChain.HTTP.rpc(url, "debug_traceTransaction", [tx_hash, %{tracer: "callTracer"}])
url = "https://moonbeam.api.onfinality.io/rpc?apikey=49e8baf7-14c3-4d0f-916a-94abf1c4c14a"
{:ok, trace} = RemoteChain.HTTP.rpc(url, "debug_traceTransaction", [tx_hash])
# Jan 13th
tx = "0x9a59b0b9f2dfdcd71af946e607e3f6ea0ccf9a382b89e3806066d91b4b2b406b"
Shell.trace_moon_tx(tx)
# Jan 3rd
n = <<162, 250, 108, 124, 66, 239, 216, 146, 43, 20, 78, 139, 210, 11, 137, 154, 234, 206, 70, 152>>
node_id = {:wallet, nil,
<<3, 253, 245, 150, 223, 41, 186, 110, 251, 230, 65, 137, 248, 79, 181, 87,
173, 238, 56, 121, 216, 68, 174, 50, 154, 221, 174, 252, 211, 56, 0, 227,
138>>,
<<162, 250, 108, 124, 66, 239, 216, 146, 43, 20, 78, 139, 210, 11, 137, 154,
234, 206, 70, 152>>}
port = 51055
address = "38.148.120.19"
pid = Network.Server.ensure_node_connection(Network.PeerHandlerV2, node_id, address, port)
pid = Network.Server.ensure_node_connection(Network.PeerHandlerV2, nil, address, port)
# Jan 1st
anvil --steps-tracing --fork-url https://moonbeam.unitedbloc.com:3000 -p1454
url = "http://localhost:1454"
tx_hash = "0x46b73ab082974503b7c8130caba521855e43b77e2f4ee83f36fcca6f34c13ae0"
{:ok, trace} = RemoteChain.HTTP.rpc(url, "debug_traceTransaction", [tx_hash, %{tracer: "callTracer"}])
url = "https://moonbeam.api.onfinality.io/rpc?apikey=49e8baf7-14c3-4d0f-916a-94abf1c4c14a"
{:ok, trace} = RemoteChain.HTTP.rpc(url, "debug_traceTransaction", [tx_hash])
# Nov 8th
letz = "0x0530f2dfdab4860f4c0bde8a7bced46b1b76038d"
node_id = "0x39905d59e9de79912e2545bc1751dbb900249493"
node = DiodeClient.Base16.decode(node_id)
Network.Rpc.execute_dio("dio_network", []) |> elem(0) |> elem(1) |> Enum.filter(fn n -> n.node_id == node_id end)
Model.KademliaSql.object(Diode.hash(node)) |> DiodeClient.Object.decode!()
Network.Rpc.execute_dio("dio_network", [])
# Nov 6th
Network.Rpc.execute_dio("dio_traffic", [Chains.Moonbeam.chain_id()])
chain_id = Chains.Moonbeam.chain_id()
blocknum = RemoteChain.peaknumber(chain_id)
RemoteChain.epoch_progress(chain_id, blocknum)
epoch = RemoteChain.epoch(chain_id, blocknum)
tickets = TicketStore.tickets(chain_id, epoch - 1)
best = tickets |> Enum.sort_by(&TicketStore.estimate_ticket_value/1, :desc) |> Stream.filter(fn tck -> TicketStore.validate_ticket(tck) == :ok end) |> Enum.take(10)
# Oct 24th
chain_id = Chains.Moonbeam.chain_id()
blocknum = RemoteChain.peaknumber(chain_id)
RemoteChain.epoch_progress(chain_id, blocknum)
epoch = RemoteChain.epoch(chain_id, blocknum)
TicketStore.tickets(chain_id, epoch - 1)
TicketStore.submit_tickets(chain_id, epoch - 1)
# Oct 22nd
chain_id = Chains.Moonbeam.chain_id()
blocknum = RemoteChain.peaknumber(chain_id)
RemoteChain.epoch_progress(chain_id, blocknum)
epoch = RemoteChain.epoch(chain_id, blocknum)
TicketStore.submit_tickets(chain_id, epoch - 1)
# Oct 18th
anvil --steps-tracing --fork-url https://moonbeam.unitedbloc.com:3000 -p1454
url = "http://localhost:1454"
tx_hash = "0x35df975d150e0c3bed459909ae4deb924b88de2cc441aa894f5fef08ee08af66"
{:ok, trace} = RemoteChain.HTTP.rpc(url, "debug_traceTransaction", [tx_hash, %{tracer: "callTracer"}])
# Sep 26th
{:global, name} = RemoteChain.NodeProxy.name(Chains.Moonbeam)
pid = :global.whereis_name(name)
state = :sys.get_state(pid)
:sys.get_state(pid).requests
sample = fn ->
:sys.get_state(pid).requests |> Enum.map(fn {_, req} ->
{req.method, req.params}
end)
end
0x1e4717b2dc5dfd7f487f2043bfe9999372d693bf4d9c51b5b84f1377939cd487
0x42a7b7dd785cd69714a189dffb3fd7d7174edc9ece837694ce50f7078f7c31ae
# Sep 24th
Recover ids can be changed cuasing Ticket.device_address(tck) to crash
# Sep 23rd
Network.Rpc.execute_dio("dio_network", [])
Network.Rpc.execute_dio("dio_usageHistory", [1727072000, 1727100800, 300])
Network.Rpc.execute_dio("dio_proxy|dio_usageHistory", ["0x7e4cd38d266902444dc9c8f7c0aa716a32497d0b", 1727072000, 1727100800, 300])
Network.Rpc.execute_dio("dio_checkConnectivity", [])
Network.Rpc.execute_dio("dio_checkConnectivity", [])
Connectivity.query_connectivity()
{"jsonrpc":"2.0","id":3,"method":"dio_proxy|dio_usageHistory","params":["0x090ad02cebd8fbbe0b411f5d870ab69d1004d6d8"]}
{"jsonrpc":"2.0","id":3,"method":"dio_proxy|dio_connectivity","params":["0x090ad02cebd8fbbe0b411f5d870ab69d1004d6d8"]}
{"jsonrpc":"2.0","id":3,"method":"dio_proxy|dio_connectivity","params":["0xce0b425bf2f2e7c26b4c2401435c655f8f446052"]}
HTTPoison.post("http://eu2.prenet.diode.io:8545", ~S({"jsonrpc":"2.0","id":3,"method":"dio_proxy|dio_usageHistory","params":["0x090ad02cebd8fbbe0b411f5d870ab69d1004d6d8", 1727072000, 1727100800, 300]}), [
{"Content-Type", "application/json"},
{"Accept-Encoding", "gzip"}
])
# Sep 11th
from = "0xdD1970aFe4D76038D5f0F4a44d9Cb435450c623a"
to = "0x8a093e3A83F63A00FFFC4729aa55482845a49294"
data = "0x3e49fb7e00000000000000000000000000000000000000000000000000000000000000400000000000000000000000006a91521d1adc31ca434cb5346d9d95ce4b244a68000000000000000000000000000000000000000000000000000000000000000f64696f6465746573742d68723231350000000000000000000000000000000000"
method = "eth_call"
params = [%{to: to, data: data, from: from}, 7408732]
{:ok, tx} = RemoteChain.HTTP.rpc(url, method, params)
anvil --fork-url https://moonbeam.unitedbloc.com:3000 -p1454
url = "https://moonbeam.api.onfinality.io/rpc?apikey=49e8baf7-14c3-4d0f-916a-94abf1c4c14a"
url = "https://moonbeam.unitedbloc.com:3000"
url = "http://localhost:1454"
tx_hash = "0x3db297eb5ea034a01ff795de5ab4b0bcc4ef582a952d8840abc8036ccc093d39"
{:ok, trace} = RemoteChain.HTTP.rpc(url, "debug_traceTransaction", [tx_hash])
{:ok, tx} = RemoteChain.HTTP.rpc(url, "eth_getTransactionByHash", [tx_hash])
# Sep 9th
ddriveupdate = <<53, 72, 15, 77, 228, 34, 130, 125, 79, 216, 12, 71, 165, 207, 95, 47, 70, 34, 242, 170>>
KademliaLight.find_value(ddriveupdate) |> Object.decode!()
KademliaLight.find_value(key) |> Object.decode!()
key = KademliaLight.hash(ddriveupdate)
Model.KademliaSql.object(key) |> Object.decode!()
us2 = Base16.decode("0x7e4cd38d266902444dc9c8f7c0aa716a32497d0b")
as1 = Base16.decode("0x68e0bafdda9ef323f692fc080d612718c941d120")
KademliaLight.find_value(us2)
KademliaLight.find_node(us2)
KademliaLight.find_node(as1)
# Aug 17th
now = System.os_time(:second)
KademliaLight.network() |> KBuckets.to_list() |> Enum.reject(fn n -> KBuckets.is_self(n) or n.last_connected == nil end) |> Enum.reject(fn n -> now - n.last_connected < 60*30 end) |> length()
network |> KBuckets.to_list() |> Enum.reject(fn n -> KBuckets.is_self(n) end) |> Enum.reject(fn n -> now - n.last_connected < 60*30 end) |> length()
network = KademliaLight.network()
deadline = System.os_time(:second) - 60 * 30
stale = KBuckets.to_list(network) |> Enum.reject(fn n -> KBuckets.is_self(n) end) |> Enum.reject(fn n -> n.last_connected > deadline end)
network = Enum.reduce(stale, network, fn stale_node, network -> KBuckets.delete_item(network, stale_node) end)
# Aug 1st
node = Base16.decode("0x625dc9fb40390992c15f146a8b18850b27b663d6") |> Wallet.from_address()
nodes = KademliaLight.network() |> KBuckets.to_list()
Enum.find(nodes, fn n -> Wallet.equal?(n.node_id, node) end)
Model.KademliaSql.object("ABC") |> Object.decode!()
# Jul 11th
token = "0x434116a99619f2B465A137199C38c1Aab0353913" |> Base16.decode()
Shell.call(Chains.Moonbeam.chain_id(), token, "name")
Shell.call(Chains.Moonbeam.chain_id(), token, "decimals")
# Jul 10th
chain_id = Chains.Moonbeam.chain_id()
epoch = RemoteChain.epoch(chain_id)
fleet_addr = "0x8afe08d333f785c818199a5bdc7a52ac6ffc492a" |> Base16.decode()
TicketStore.fleet_value(chain_id, fleet_addr, 662)
TicketStore.estimate_ticket_value(tck)
TicketStore.fleet_value(chain_id, Ticket.fleet_contract(tck), Ticket.epoch(tck))
Network.Rpc.execute_dio("dio_traffic", [Chains.Moonbeam.chain_id()])
# Jul 9th
:code.add_patha('/opt/diode_node/')
for mod <- [TicketStore, Shell] do
:code.load_file(mod)
Process.sleep(1000)
:code.purge(mod)
end
"0xeaf4de5f51daf557643b85637778cfa0e40013eb063ea0d739f5b7e736fde9d8"
chain_id = Chains.Moonbeam.chain_id()
epoch = RemoteChain.epoch(chain_id)
block = RemoteChain.chainimpl(chain_id).epoch_block(epoch)
blocknum = RemoteChain.peaknumber(chain_id)
RemoteChain.epoch_progress(chain_id, blocknum)
TicketStore.newblock(chain_id, blocknum)
TicketStore.submit_tickets(chain_id, epoch)
[tck | rest] = TicketStore.tickets(chain_id, epoch - 1)
tx = Ticket.raw(tck) |> Contract.Registry.submit_ticket_raw_tx(chain_id)
Shell.submit_tx(tx)
url = "https://moonbeam.api.onfinality.io/rpc?apikey=49e8baf7-14c3-4d0f-916a-94abf1c4c14a"
Shell.call_tx(tx, "latest")
Shell.debug_tx(tx, url, "latest")
Shell.debug_tx(tx, "127.0.0.1:1545", "latest")
tx_hash = "0xeaf4de5f51daf557643b85637778cfa0e40013eb063ea0d739f5b7e736fde9d8"
{:ok, trace} = RemoteChain.HTTP.rpc(url, "debug_traceTransaction", [tx_hash])
trace["structLogs"] |> Enum.map(fn %{"op" => op, "pc" => pc} -> IO.puts("#{pc} #{op}") end)
rpc(chain, "debug_traceCall", [%{to: to, data: data, from: from}, block])
alias Object.Ticket
# DevFleet: https://moonscan.io/address/0x8afe08d333f785c818199a5bdc7a52ac6ffc492a#readProxyContract
fleet_addr = "0x8afe08d333f785c818199a5bdc7a52ac6ffc492a" |> Base16.decode()
Contract.Registry.fleet(chain_id, fleet_addr, Base16.encode(block, false))
Contract.Registry.fleet(chain_id, fleet_addr, Base16.encode(block - 100, false))
Network.Rpc.execute_dio("dio_traffic", [Chains.Moonbeam.chain_id()])
fleet_obj = Contract.Registry.call(chain_id, "GetFleet", ["address"], [fleet_addr], Base16.encode(block, false))
# Jul 9th
handle = GenServer.call(:remoterpc_cache, :get_handle)
DetsPlus.delete_all_objects(:remoterpc_cache)
Enum.take(handle, 50_000) |> Enum.map(fn e -> elem(e, 0) end) |> Enum.filter(&is_integer/1) |> Enum.min_max()
handle |> Enum.map(fn e -> elem(e, 0) end) |> Enum.filter(&is_integer/1) |> Enum.min_max()
Enum.take(handle, 50_000) |> Enum.reject(fn e -> is_number(elem(e, 0)) end) |> Enum.map(fn {{:key, _key}, _value, n} -> n end) |> Enum.min_max()
Enum.take(handle, 150_000) |> Enum.reduce({0, 0, 0}, fn element, {keys, values, others} ->
case element do
{key, _value} when is_integer(key) -> {keys + 1, values, others}
{{:key, _key}, _value, _n} -> {keys, values + 1, others}
_ -> {keys, values, others + 1}
end
end)
Enum.count(handle)
# Jul 2nd
[0 ] 1=3d565ec28595c1a0710abcbd8c0f979d31e38704 Wallet 80-DUP1
[1 ] 30743 "CALL" 2=d78653669fd3df4df8f3141ffa53462121d117a4 Proxy (DiodeRegistryLight) HIT
[2 ] 31497 "DELEGATECALL" 3=0b7d294ef304d41e10b965447857d0654e6e52a5 DiodeRegistryLight B4-INVALID
[3 ] 34597 "STATICCALL" 4=8afe08d333f785c818199a5bdc7a52ac6ffc492a Proxy (DevFleetContract) 57-JUMPI
[4 ] 35348 "DELEGATECALL" 5=75637505b914ec9c6e9b8ede383605cd117b0c99 DevFleetContract 03-SUB
[n4] 36858 "RETURN"
[n3] 37162 "RETURN"
[n2] 48214 "REVERT"
[xx] 49656 "STOP"
"pc": 7653,
"pc": 175,
e = fn hex ->
"0x" <> hex = String.trim(hex)
{:ok, bin} = Base.decode16(hex, case: :mixed)
{:binary.at(bin, 194) == 0xFD, Base.encode16(<<:binary.at(bin, 194)>>)}
end
REVERT = FD
# Jul 1st
anvil --fork-url https://moonbeam.unitedbloc.com:3000 -p1454
# June 28th
export CHAINS_MOONBEAM_RPC='!https://moonbeam.api.onfinality.io/?apikey=49e8baf7-14c3-4d0f-916a-94abf1c4c14a'
export CHAINS_MOONBEAM_WS='!wss://moonbeam.api.onfinality.io/ws?apikey=49e8baf7-14c3-4d0f-916a-94abf1c4c14a'
from = Wallet.from_address(Base16.decode("0x7102533B13b950c964efd346Ee15041E3e55413f"))
multisig = Base16.decode("0x3d565Ec28595c1a0710ABCBd8C0F979d31E38704")
Shell.call_from(Chains.Moonbeam, from, multisig, "executeTransaction", ["uint256"], [9])
{tx, blockRef} = Shell.tx_from(Chains.Moonbeam, from, multisig, "executeTransaction", ["uint256"], [9])
alias DiodeClient.Transaction
RemoteChain.RPC.rpc(
Chains.Moonbeam,
"debug_traceTransaction",
["0x63d7cc1b08b18862ae8b277891089ba414ad7959edf5b554f23061afd9a384a5"]
)
"debug_traceCall"
# June 27th
:binary.bin_to_list(f) |> Enum.chunk_every(32)
# June 26th
## Good
{chain, to, from, data, block} = {15, "0x5000000000000000000000000000000000000000",
"0xae699211c62156b8f29ce17be47d2f069a27f2a6",
"0x8e0383a40000000000000000000000006000000000000000000000000000000000000000",
"latest"}
## Bad
{chain, to, from, data, block} = {15, "0x5000000000000000000000000000000000000000",
"0xae699211c62156b8f29ce17be47d2f069a27f2a6",
"0x8e0383a40000000000000000000000006000000000000000000000000000000000000000",
7474380}
method = "eth_call"
params = [%{to: to, data: data, from: from}, block]
request = %{"jsonrpc" => "2.0", "id" => 1_000_000, "method" => method, "params" => params} |> Poison.encode!()
Network.Rpc.execute_rpc(method, Poison.encode!(params) |> Poison.decode!(), [])
export host=localhost:3834
curl -vk -H "Content-Type: application/json" --data "{\"params\":[{\"to\":\"0x5000000000000000000000000000000000000000\",\"from\":\"0xae699211c62156b8f29ce17be47d2f069a27f2a6\",\"data\":\"0x8e0383a40000000000000000000000006000000000000000000000000000000000000000\"},7474380],\"method\":\"eth_call\",\"jsonrpc\":\"2.0\",\"id\":1000000}'" $host
:code.add_patha('/opt/diode_node/')
for mod <- [Shell, RemoteChain.RPC] do
:code.load_file(mod)
Process.sleep(1000)
:code.purge(mod)
end
:code.load_file(Contract.Registry)
:code.purge(Contract.Registry)
chain_id = Chains.Diode.chain_id()
fleet = Chains.DiodeDev.developer_fleet_address()
f = Contract.Registry.call(chain_id, "EpochFleet", ["address"], [fleet], "latest")
f = Contract.Registry.call(chain_id, "EpochFleet", ["address"], [fleet], 7474380)
f = Contract.Registry.call(chain_id, "EpochFleet", ["address"], [fleet], "0x720ccc")
f = Contract.Registry.call(chain_id, "EpochFleet", ["address"], [fleet], "7474380")
[fleet, totalConnections, totalBytes, nodeArray] = ABI.decode_types(["address", "uint256", "uint256", "address[]"], f)
[fleet, totalConnections, totalBytes, nodeArray] = ABI.decode_types(["bytes32", "bytes32", "bytes32", "address[]"], f)
for n <- 1..20 do
spawn(fn -> Contract.Registry.call(chain_id, "EpochFleet", ["address"], [fleet], 7474380) end)
Process.sleep(1000)
end
:code.load_file(ABI)
:code.purge(ABI)
# June 25th
:code.add_patha('/opt/diode_node/')
:code.load_file(Network.Rpc)
:code.purge(Network.Rpc)
:code.add_patha('/opt/diode_node/')
:code.load_file(Network.Stats)
:code.purge(Network.Stats)
Network.Rpc.execute_dio("dio_traffic", [15])
Network.Rpc.execute_dio("dio_usageHistory", [System.os_time(:second)- 100, System.os_time(:second), 10]) |> elem(0)
Network.Rpc.execute_dio("dio_usageHistory", [1719311919,1719398319,100])
Network.Stats.get_history(1719311919,1719398319,100) |> map_size()
{"jsonrpc":"2.0","id":9,"method":"dio_usageHistory","params":[1719311919,1719398319,10]}
Network.Stats.get_history(System.os_time(:second)- 100, System.os_time(:second), 10) |> Map.keys()
lru = :persistent_term.get(Network.Stats.LRU)
s = System.os_time(:second) - rem(System.os_time(:second), 10)
DetsPlus.LRU.get(lru, s)
# June 24th
:code.load_file(Network.Rpc)
Network.Rpc.execute_dio("dio_traffic", [15])
Network.Rpc.execute_dio("dio_usage", [])
# June 20th
:code.load_file(Network.Rpc)
conns = Network.Server.get_connections(Network.EdgeV2)
RemoteChain.RPCCache.get_storage(Chains.Diode, "0xaf60faa5cd840b724742f1af116168276112d6a6")
RemoteChain.RPCCache.get_storage(Chains.Diode, "0xaf60faa5cd840b724742f1af116168276112d6a6")
RemoteChain.RPCCache.get_block_by_number(Chains.Diode, 7440835)
RemoteChain.RPC.get_block_by_number(Chains.Diode, 7440835)
pid = :global.whereis_name({RemoteChain.RPCCache, Chains.Diode})
state = :sys.get_state(pid)
Map.get(state.request_rpc, {"eth_getStorage", ["0xaf60faa5cd840b724742f1af116168276112d6a6", "0x71905f"]})
RemoteChain.RPCCache.get_balance(Chains.Diode, "0xdd2fd4581271e230360230f9337d5c0430bf44c0", 7442951)
RemoteChain.RPC.get_balance(Chains.Diode, "0xdd2fd4581271e230360230f9337d5c0430bf44c0", 7442951)
Map.get(:sys.get_state(pid).request_rpc, {"eth_getBalance", ["0xdd2fd4581271e230360230f9337d5c0430bf44c0", "0x719207"]})
:global.whereis_name({RemoteChain.NodeProxy, Chains.Diode})
RemoteChain.RPCCache.rpc(Chains.Diode, "dio_edgev2", ["0xd48f676574626c6f636b68656164657232837192bd"])
# June 6th
addr = "0x853cc395280a389331de3c7ed7c38588c109e762"
owner_slot = Hash.to_address(51) |> Base16.encode()
chain = Chains.Moonbeam
RemoteChain.RPCCache.get_storage_at(chain, addr, owner_slot, 6316617)
RemoteChain.RPCCache.get_storage_at(chain, addr, owner_slot, "latest")
latest = RemoteChain.RPCCache.resolve_block(chain, "latest")
RemoteChain.RPCCache.get_last_change(chain, addr, latest)
# May 15th
CLIENT1: 0xd5ac10782e3b8650f32731ec2a472775d46770a6
CLIENT2: 0x3c8b8039f1615a45f02b640c643481c2b08a8db1