Files
dzentra_bot/app/tools/dzengi_probe/websocket_probe.py

134 lines
4.0 KiB
Python

# app/tools/dzengi_probe/websocket_probe.py
from __future__ import annotations
import asyncio
import json
from dataclasses import dataclass
from typing import Any
import websockets
from websockets.typing import Subprotocol
from app.tools.dzengi_probe.config import DzengiProbeConfig
from app.tools.dzengi_probe.response_store import append_jsonl, save_json
@dataclass(frozen=True)
class WebSocketProbeResult:
stream: str
output_file: str
ok: bool
messages_saved: int
error: str | None = None
class DzengiWebSocketProbe:
def __init__(self, config: DzengiProbeConfig) -> None:
self.config = config
async def probe_market_data(self, *, max_messages: int = 10) -> WebSocketProbeResult:
output_file = (
f"websocket/marketData.subscribe/"
f"{self.config.symbol_file_name}.jsonl"
)
request_file = (
f"websocket/marketData.subscribe/"
f"{self.config.symbol_file_name}.request.json"
)
subscribe_message: dict[str, Any] = {
"correlationId": "probe-market-data-subscribe",
"destination": "marketData.subscribe",
"payload": {
"symbols": [self.config.symbol],
},
}
save_json(self.config.output_dir / request_file, subscribe_message)
return await self._subscribe_and_save(
stream="marketData.subscribe",
subscribe_message=subscribe_message,
output_file=output_file,
max_messages=max_messages,
)
async def _subscribe_and_save(
self,
*,
stream: str,
subscribe_message: dict[str, Any],
output_file: str,
max_messages: int,
) -> WebSocketProbeResult:
output_path = self.config.output_dir / output_file
messages_saved = 0
if output_path.exists():
output_path.unlink()
try:
async with websockets.connect(
self.config.ws_url,
extra_headers={
"Origin": self.config.base_url,
"Content-Type": "application/json",
},
subprotocols=[Subprotocol("json")],
ping_interval=20,
ping_timeout=20,
close_timeout=5,
) as websocket:
await websocket.send(json.dumps(subscribe_message))
while messages_saved < max_messages:
raw_message = await asyncio.wait_for(
websocket.recv(),
timeout=self.config.timeout_seconds,
)
try:
payload = json.loads(raw_message)
except json.JSONDecodeError:
payload = {"raw": raw_message}
print(payload)
append_jsonl(output_path, payload)
messages_saved += 1
return WebSocketProbeResult(
stream=stream,
output_file=str(output_path),
ok=True,
messages_saved=messages_saved,
)
except Exception as exc:
return WebSocketProbeResult(
stream=stream,
output_file=str(output_path),
ok=False,
messages_saved=messages_saved,
error=str(exc),
)
async def probe_depth_request(self) -> WebSocketProbeResult:
output_file = f"websocket/depth/{self.config.symbol_file_name}.jsonl"
request_message: dict[str, Any] = {
"correlationId": "probe-depth-request",
"destination": f"/api/{self.config.api_version}/depth",
"payload": {
"symbol": self.config.symbol,
"limit": int(self.config.depth_limit),
},
}
return await self._subscribe_and_save(
stream="wss:/api/v1/depth",
subscribe_message=request_message,
output_file=output_file,
max_messages=1,
)