lbry-sdk/scripts/simulate_sync_console.py
2020-07-29 00:14:40 -04:00

190 lines
6.4 KiB
Python

import asyncio
import argparse
from random import randrange
from typing import List
from binascii import unhexlify
from google.protobuf.message import DecodeError
from lbry import Config, Ledger, FullNode
from lbry.console import Advanced, Basic
from lbry.schema.claim import Claim
from lbry.db.utils import chunk
from lbry.testcase import EventGenerator
def cause_protobuf_stderr():
try:
Claim.from_bytes(unhexlify(
'005a3c63779597cba4c0e6ee45c3074fc389bd564ccc5d4a90eb4baacb0b028f2f4930'
'0db003d6a27f0cac8be8b45fdda597303208b81845534e4543494c07123e0a420a'
))
except DecodeError:
pass
class Simulator:
def __init__(self, console):
self.console = console
self.sync = console.service.sync
self.progress = self.sync._on_progress_controller
self.starting_height = 0
self.ending_height = 0
self.starting_file = 0
self.workers = console.service.db.workers
self.txs = 0
self.claims = 0
self.supports = 0
@property
def blocks(self, ):
if self.starting_height == 0:
return self.ending_height-self.starting_height
return (self.ending_height-self.starting_height)+1
async def generate(self, name, units, eid, label, total, steps):
loop_time = min(5.0 / (total[0]/steps[0]), 1.0)
done = (0,)*len(total)
while not all(d >= t for d, t in zip(done, total)):
if done[0] == 0:
first_event = {
"event": name,
"data": {
"id": eid,
"done": done,
"total": total,
"units": units,
}
}
if label is not None:
first_event["data"]["label"] = label
await self.progress.add(first_event)
await asyncio.sleep(loop_time)
done = tuple(min(d+s, t) for d, s, t in zip(done, steps, total))
await self.progress.add({
"event": name,
"data": {
"id": eid,
"done": done,
}
})
async def generate_group(self, name, unit, init_steps, total, increment):
await self.generate(f"{name}.init", ("steps",), 0, None, (init_steps,), (1,))
await self.progress.add({
"event": f"{name}.main",
"data": {"id": 0, "done": (0,), "total": (total,), "units": (unit,)}
})
tasks = []
for group_range in self.make_ranges(total, max(int(total/self.workers), 1)):
tasks.append(self.generate(
f"{name}.insert", (unit,),
group_range[0], f"add {unit} at {group_range[0]}-{group_range[1]}",
(group_range[1] - group_range[0],), (increment,)
))
await asyncio.wait(tasks)
await self.close_event(f"{name}.main")
async def close_event(self, name):
await self.progress.add({"event": name, "data": {"id": 0, "done": (-1, -1)}})
@staticmethod
def make_ranges(num, size=1000):
ranges = []
for i in range(0, num, size):
if ranges:
ranges[-1][-1] = i-1
ranges.append([i, 0])
ranges[-1][-1] = num
return ranges
async def advance(self, initial_sync: bool, ending_height: int, files: List[int], txs: int):
self.ending_height = ending_height
self.txs = txs
self.claims = int(txs/4)
self.supports = int(txs/2)
eg = EventGenerator(
initial_sync=initial_sync,
start=self.starting_height,
end=ending_height,
block_files=[
(0, 191, 280, ((100, 0), (191, 280))),
(1, 89, 178, ((89, 178),)),
(2, 73, 86, ((73, 86),)),
(3, 73, 86, ((73, 86),)),
(4, 73, 86, ((73, 86),)),
(5, 73, 86, ((73, 86),)),
],
claims=[
(102, 120, 361, 361),
(121, 139, 361, 361),
(140, 158, 361, 361),
(159, 177, 361, 361),
(178, 196, 361, 361),
(197, 215, 361, 361),
(216, 234, 361, 361),
(235, 253, 361, 361),
(254, 272, 361, 361),
(273, 291, 361, 361),
],
supports=[
(352, 352, 2, 2),
]
)
for event in eg.events:
await self.progress.add(event)
await asyncio.sleep(0.5)
return
blocks_synced = txs_synced = 0
for file_group in chunk(files, self.workers):
tasks = []
for file in file_group:
if file == files[-1]:
cause_protobuf_stderr()
tasks.append(self.generate(
"blockchain.sync.block.file", ("blocks", "txs"), file, f"blk0000{file}.dat",
(self.blocks-blocks_synced, self.txs-txs_synced),
(50, 100)
))
cause_protobuf_stderr()
else:
blocks = int(self.blocks / len(files))
blocks_synced += blocks
txs = int(self.txs / len(files))
txs_synced += txs
tasks.append(self.generate(
"blockchain.sync.block.file", ("blocks", "txs"), file, f"blk0000{file}.dat",
(blocks, txs), (50, 100)
))
await asyncio.wait(tasks)
self.ending_height = ending_height+1
self.starting_height = self.ending_height
async def main(console):
sim = Simulator(console)
await sim.advance(True, 10_000, [1, 2, 3, 4, 5], 10_000)
#await sim.advance(True, 100_000, [1, 2, 3, 4, 5], 100_000)
#await sim.advance(False, 100_001, [5], 100)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--basic", default=False, action="store_true")
parser.add_argument("--workers", default=3)
args = parser.parse_args()
node = FullNode(Ledger(Config(
workers=args.workers,
spv_address_filters=False
)))
console = Basic(node) if args.basic else Advanced(node)
try:
console.starting()
asyncio.run(main(console))
except KeyboardInterrupt:
pass
finally:
console.stopping()