mirror of
https://github.com/NohamR/OqeeRewind.git
synced 2026-01-10 08:08:20 +00:00
126 lines
3.7 KiB
Python
126 lines
3.7 KiB
Python
"""Utility functions for time and tick conversions, and bruteforce operations."""
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import asyncio
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import datetime
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import time
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import aiohttp
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from tqdm import tqdm
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from utils.stream import fetch_segment
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def convert_ticks_to_sec(ticks, timescale):
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"""Convert ticks to seconds."""
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return ticks / timescale
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def convert_sec_to_ticks(seconds, timescale):
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"""Convert seconds to ticks."""
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return seconds * timescale
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def convert_sec_to_date(seconds, offset_hours=1):
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"""Convert seconds to datetime with offset."""
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dt = datetime.datetime.utcfromtimestamp(seconds) + datetime.timedelta(
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hours=offset_hours
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)
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return dt
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def convert_date_to_sec(dt, offset_hours=1):
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"""Convert datetime to seconds with offset."""
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epoch = datetime.datetime(1970, 1, 1)
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utc_dt = dt - datetime.timedelta(hours=offset_hours)
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return (utc_dt - epoch).total_seconds()
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def convert_date_to_ticks(dt, timescale, offset_hours=1):
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"""Convert datetime to ticks with offset."""
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return int(round(convert_date_to_sec(dt, offset_hours) * timescale))
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def past(rep, base, duration):
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"""Calculate past tick."""
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return base - rep * duration
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def future(rep, base, duration):
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"""Calculate future tick."""
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return base + rep * duration
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async def bruteforce(track_id, date):
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"""Bruteforce segments to find valid ticks."""
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valid_ticks = []
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total_requests = 288000
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batch_size = 20000
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print(f"Starting bruteforce for {track_id}")
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print(f"{'='*50}")
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start_time = time.time()
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try:
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async with aiohttp.ClientSession() as session:
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for batch_start in range(0, total_requests, batch_size):
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batch_end = min(batch_start + batch_size, total_requests)
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tasks = [
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fetch_segment(session, t + date, track_id)
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for t in range(batch_start, batch_end)
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]
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results = []
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for coro in tqdm(
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asyncio.as_completed(tasks),
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total=len(tasks),
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desc="Bruteforce",
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unit="req",
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):
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result = await coro
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results.append(result)
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valid_ticks.extend(
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[r for r in results if r and not isinstance(r, Exception)]
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)
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# Stop if we found valid ticks
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if valid_ticks:
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print(f"Found valid ticks: {valid_ticks}, stopping bruteforce.")
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break
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except KeyboardInterrupt:
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print("\n\n🛑 Interrupted by user (Ctrl+C)")
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elapsed = time.time() - start_time
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print(f"\n{'='*50}")
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print(f"✅ Completed in {elapsed:.2f}s")
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print(f"⚡ Speed: {total_requests / elapsed if elapsed > 0 else 0:.2f} req/s")
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print(f"📊 Total checked: {total_requests}")
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print(f"{'='*50}")
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return valid_ticks
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def find_nearest_tick_by_hour(base_tick, dt, timescale, duration, offset_hours=1):
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"""Find the nearest tick for a given datetime."""
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target_ticks = convert_date_to_ticks(dt, timescale, offset_hours)
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diff_ticks = base_tick - target_ticks
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rep_estimate = diff_ticks / duration
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# Determine if we need to go to past or future
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if rep_estimate < 0:
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# Target is in the future from base
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rep = int(round(abs(rep_estimate)))
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nearest_tick = base_tick + rep * duration
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else:
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# Target is in the past from base
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rep = int(round(rep_estimate))
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nearest_tick = base_tick - rep * duration
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# print(f"Requested datetime: {dt} (offset +{offset_hours}h)")
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# print(f"Nearest rep: {rep}")
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# print(f"Tick: {nearest_tick}")
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return nearest_tick, rep
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