lbry-sdk/scripts/simulate_sync_console.py
Lex Berezhny e64b108404 console
2020-06-23 13:11:16 -04:00

111 lines
4 KiB
Python

import asyncio
from random import randrange
from lbry.blockchain import Ledger
from lbry.service import FullNode
from lbry.console import Advanced
from lbry.conf import Config
class Simulator:
def __init__(self, progress, ending_height, files, txs, processes):
self.progress = progress
self.starting_height = 0
self.ending_height = ending_height
self.starting_file = 0
self.ending_file = files
self.txs = txs
self.processes = processes
@property
def blocks(self):
return self.ending_height-self.starting_height
@property
def files(self):
return self.ending_file-self.starting_file
async def advance(self):
await self.progress.add({
"event": "blockchain.sync.start",
"data": {
"starting_height": self.starting_height,
"ending_height": self.ending_height,
"files": self.files,
"blocks": self.blocks,
"txs": self.txs
}
})
blocks_synced = txs_synced = 0
for starting_file in range(self.starting_file, self.ending_file, self.processes):
tasks = []
for b in range(starting_file, min(self.ending_file, starting_file+self.processes)):
if b == (self.ending_file-1):
tasks.append(self.sync_block_file(b, self.blocks-blocks_synced, self.txs-txs_synced))
else:
blocks = int(self.blocks / self.files)
blocks_synced += blocks
txs = int(self.txs / self.files)
txs_synced += txs
tasks.append(self.sync_block_file(b, blocks, txs))
await asyncio.wait(tasks)
await self.progress.add({
"event": "blockchain.sync.block.done",
"data": {"step": 1, "total": 1, "unit": "tasks", "best_height_processed": self.ending_height}
})
await self.process()
self.processes = 1
self.txs = 25
self.starting_height = self.ending_height
self.ending_height += 1
async def sync_block_file(self, block_file, blocks, txs):
for i in range(0, blocks, 1000):
await self.progress.add({
"event": "blockchain.sync.block.read",
"data": {"step": i, "total": blocks, "unit": "blocks", "block_file": block_file}
})
await asyncio.sleep(randrange(1, 10)/10)
await self.progress.add({
"event": "blockchain.sync.block.read",
"data": {"step": blocks, "total": blocks, "unit": "blocks", "block_file": block_file}
})
await asyncio.sleep(0.5)
for i in range(0, txs, 10000):
await self.progress.add({
"event": "blockchain.sync.block.save",
"data": {"step": i, "total": txs, "unit": "txs", "block_file": block_file}
})
await asyncio.sleep(randrange(1, 10) / 10)
await self.progress.add({
"event": "blockchain.sync.block.save",
"data": {"step": txs, "total": txs, "unit": "txs", "block_file": block_file}
})
async def process(self):
for i in range(3):
await self.progress.add({
"event": "db.sync.input",
"data": {"step": i, "total": 2, "unit": "txis"}
})
await asyncio.sleep(1)
claims = int(self.txs/4)
for i in range(0, claims+1, 10_000):
await self.progress.add({
"event": "blockchain.sync.claim.update",
"data": {"step": i, "total": claims, "unit": "claims"}
})
await asyncio.sleep(0.1)
async def main():
console = Advanced(FullNode(Ledger(Config(processes=4))))
progress = console.service.sync._on_progress_controller
sim = Simulator(progress, 200_000, 7, 1_000_000, console.service.db.processes)
console.starting()
await sim.advance()
console.stopping()
if __name__ == "__main__":
asyncio.run(main())