Files
ftdt-quant-lab/dashboard/server.py
T
ramseshk 526a40b01e Rename VIP→Tier, recalculate equity curve on fee tier change
Renamed all "VIP N" to "Tier N" in config, server, and HTML dropdowns.

Added recalc_equity_curve() that rebuilds the equity curve with new
fee rates. Previously the equity curve was passed through unchanged
when switching tiers, so the chart visually stayed identical even
though PnL numbers changed. Now each tier produces its own curve.

Example OBI historical: Tier 0 equity ends at 141.5, Tier 6 at 149.7 —
the chart visibly shifts up as fees drop from 4.5bp to 2.4bp taker.
2026-08-04 09:12:07 +00:00

444 lines
17 KiB
Python

"""
Dashboard backend — WebSocket metrics server.
Reads live metrics from a shared JSON file (written by the live node)
and serves backtest results from disk. Streams everything to
connected dashboard clients via WebSocket.
Architecture:
- /ws — WebSocket for real-time streaming
- /backtests — list available backtest results
- /backtest/{name} — serve specific backtest result
- / — static HTML dashboard
Usage:
python dashboard/server.py --port 9175
"""
import asyncio
import json
import os
import time
import threading
from pathlib import Path
from typing import Optional
from fastapi import FastAPI, WebSocket, WebSocketDisconnect
from fastapi.staticfiles import StaticFiles
from fastapi.responses import FileResponse, JSONResponse
import sys
sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
from config.fee_tiers import get_perp_fees, PERPS_TIERS, STAKING_TIERS, STRATEGY_FEE_MODELS
from common.risk import risk_summary
import uvicorn
# ═══════════════════════════════════════════════════════════
# Constants
# ═══════════════════════════════════════════════════════════
METRICS_FILE = "/tmp/ftdt-metrics.json"
PAPER_METRICS_FILE = "/tmp/ftdt-paper-metrics.json"
BACKTEST_DIR = "/home/debian/ftdt-quant-lab/backtests/results"
HISTORICAL_DIR = "/home/debian/ftdt-quant-lab/backtests/results/historical"
STATIC_DIR = Path(__file__).parent / "static"
# Ensure backtest dir exists
os.makedirs(BACKTEST_DIR, exist_ok=True)
# ═══════════════════════════════════════════════════════════
# App
# ═══════════════════════════════════════════════════════════
app = FastAPI(title="FTDT Quant Lab Dashboard")
connected_clients: set[WebSocket] = set()
paper_clients: set[WebSocket] = set()
loop: Optional[asyncio.AbstractEventLoop] = None
# ═══════════════════════════════════════════════════════════
# Metrics reader
# ═══════════════════════════════════════════════════════════
def read_metrics() -> dict:
"""Read the shared metrics file written by the live node."""
try:
if os.path.exists(METRICS_FILE):
with open(METRICS_FILE) as f:
return json.load(f)
except (json.JSONDecodeError, IOError):
pass
return _empty_metrics()
def _empty_metrics() -> dict:
return {
"timestamp": time.time(),
"wallet": "0x...",
"total_equity": 898.0,
"total_pnl": 0.0,
"total_pnl_pct": 0.0,
"equity_history": [],
"strategies": {},
"trades": [],
"status": "starting",
}
def read_paper_metrics() -> dict:
"""Read paper trading metrics file."""
try:
if os.path.exists(PAPER_METRICS_FILE):
with open(PAPER_METRICS_FILE) as f:
return json.load(f)
except (json.JSONDecodeError, IOError):
pass
return {"status": "waiting", "mode": "paper", "strategies": {}, "trades": [], "equity_history": [], "total_pnl": 0, "total_equity": 100000}
# ═══════════════════════════════════════════════════════════
# Background broadcaster
# ═══════════════════════════════════════════════════════════
async def broadcast_to_client(ws: WebSocket, payload: str):
try:
await ws.send_text(payload)
except Exception:
connected_clients.discard(ws)
def broadcast_loop():
"""Continuously read metrics and broadcast to all clients."""
while True:
time.sleep(1)
data = read_metrics()
payload = json.dumps(data, default=str)
for ws in list(connected_clients):
if loop:
asyncio.run_coroutine_threadsafe(
broadcast_to_client(ws, payload), loop
)
# Also broadcast paper metrics
paper_data = read_paper_metrics()
paper_payload = json.dumps(paper_data, default=str)
for ws in list(paper_clients):
if loop:
asyncio.run_coroutine_threadsafe(
broadcast_to_client(ws, paper_payload), loop
)
# ═══════════════════════════════════════════════════════════
# WebSocket
# ═══════════════════════════════════════════════════════════
@app.websocket("/ws")
async def websocket_endpoint(websocket: WebSocket):
await websocket.accept()
connected_clients.add(websocket)
try:
# Send initial state immediately
data = read_metrics()
await websocket.send_text(json.dumps(data, default=str))
while True:
await asyncio.sleep(30)
except WebSocketDisconnect:
connected_clients.discard(websocket)
@app.websocket("/ws/paper")
async def paper_websocket_endpoint(websocket: WebSocket):
await websocket.accept()
paper_clients.add(websocket)
try:
data = read_paper_metrics()
await websocket.send_text(json.dumps(data, default=str))
while True:
await asyncio.sleep(30)
except WebSocketDisconnect:
paper_clients.discard(websocket)
# ═══════════════════════════════════════════════════════════
# Backtest endpoints
# ═══════════════════════════════════════════════════════════
@app.get("/api/backtests")
async def list_backtests():
"""List all saved backtest results."""
results = []
if os.path.isdir(BACKTEST_DIR):
for fname in sorted(os.listdir(BACKTEST_DIR), reverse=True):
if fname.endswith(".json"):
fpath = os.path.join(BACKTEST_DIR, fname)
try:
with open(fpath) as f:
data = json.load(f)
results.append({
"name": fname.replace(".json", ""),
"strategy": data.get("strategy", "unknown"),
"start": data.get("start_time"),
"end": data.get("end_time"),
"sharpe": data.get("sharpe", 0),
"sortino": data.get("sortino", 0),
"pnl_pct": data.get("pnl_pct", 0),
"max_dd": data.get("max_dd", 0),
"win_rate": data.get("win_rate", 0),
"total_trades": data.get("total_trades", 0),
})
except (json.JSONDecodeError, IOError):
pass
return JSONResponse(results)
@app.get("/api/backtest/{name}")
async def get_backtest(name: str):
"""Get full backtest result data."""
fpath = os.path.join(BACKTEST_DIR, f"{name}.json")
if os.path.exists(fpath):
with open(fpath) as f:
return JSONResponse(json.load(f))
return JSONResponse({"error": "not found"}, status_code=404)
def recalc_equity_curve(equity_curve, trades, new_fee_rate, fee_model):
"""Rebuild equity curve with new fee rates, preserving gross PnL."""
if not equity_curve or not trades:
return equity_curve
fee_deltas = {}
cum_delta = 0.0
for t in trades:
sz = t.get("size", 0)
px = t.get("price", 0)
old_fee = t.get("fee", 0)
new_fee = sz * px * new_fee_rate * 2
delta = old_fee - new_fee
cum_delta += delta
fee_deltas[t.get("time", "")] = cum_delta
new_curve = []
delta_idx = 0
trade_times = list(fee_deltas.keys())
cum = 0.0
for pt in equity_curve:
pt_time = pt.get("t", "")
while delta_idx < len(trade_times) and trade_times[delta_idx] <= pt_time:
cum = fee_deltas[trade_times[delta_idx]]
delta_idx += 1
new_curve.append({"t": pt_time, "v": round(pt.get("v", 0) + cum, 6)})
return new_curve
@app.get("/api/backtest/{name}/recalc")
async def recalc_backtest(name: str, fee_tier: int = 0, staking_tier: str = "none"):
"""Recalculate backtest PnL with different fee tier."""
fpath = os.path.join(BACKTEST_DIR, f"{name}.json")
if not os.path.exists(fpath):
fpath = os.path.join(HISTORICAL_DIR, f"{name}.json")
if not os.path.exists(fpath):
return JSONResponse({"error": "not found"}, status_code=404)
with open(fpath) as f:
data = json.load(f)
fee_model = STRATEGY_FEE_MODELS.get(data.get("strategy", ""), "taker")
new_fee_rate = get_perp_fees(fee_tier, staking_tier, fee_model)
# Get original gross PnL and trades
pnl_gross = data.get("pnl_gross", data.get("pnl", 0))
trades = data.get("trades", [])
# Recalculate fees with new rate
new_fees = 0.0
new_trades = []
for t in trades:
sz = t.get("size", 0)
px = t.get("price", 0)
orig_fee = t.get("fee", 0)
new_fee = sz * px * new_fee_rate * 2 # entry + exit
new_fees += new_fee
new_trades.append({**t, "fee": round(new_fee, 6),
"pnl_net": round(t.get("pnl_gross", t.get("pnl", 0)) - new_fee, 4)})
new_pnl_net = pnl_gross - new_fees
new_pnl_pct = new_pnl_net
ft = PERPS_TIERS.get(fee_tier, PERPS_TIERS[0])
st = STAKING_TIERS.get(staking_tier, STAKING_TIERS["none"])
eff_taker = get_perp_fees(fee_tier, staking_tier, "taker")
eff_maker = get_perp_fees(fee_tier, staking_tier, "maker")
return JSONResponse({
"strategy": data.get("strategy"),
"fee_tier": ft["name"],
"staking_tier": st["name"],
"effective_taker_pct": round(eff_taker * 100, 4),
"effective_maker_pct": round(eff_maker * 100, 4),
"fee_model": fee_model,
"pnl_gross": round(pnl_gross, 4),
"pnl_gross_pct": round(pnl_gross, 4),
"pnl_net": round(new_pnl_net, 4),
"pnl_net_pct": round(new_pnl_pct, 4),
"fees_total": round(new_fees, 4),
"total_trades": len(new_trades),
"equity_curve": recalc_equity_curve(
data.get("equity_curve", []),
data.get("trades", []),
new_fee_rate,
fee_model
),
"trades": new_trades[-100:],
"sharpe": data.get("sharpe", 0),
"sortino": data.get("sortino", 0),
"max_dd": data.get("max_dd", 0),
"win_rate": data.get("win_rate", 0),
"num_periods": data.get("num_periods", 720),
})
@app.get("/api/backtests/historical")
async def list_historical_backtests():
"""List historical (real data) backtest results."""
results = []
d = HISTORICAL_DIR
if os.path.isdir(d):
for fname in sorted(os.listdir(d), reverse=True):
if fname.endswith(".json"):
fpath = os.path.join(d, fname)
try:
with open(fpath) as f:
data = json.load(f)
results.append({
"name": fname.replace(".json", ""),
"strategy": data.get("strategy", "unknown"),
"coin": data.get("coin", "?"),
"start": data.get("start_time"),
"end": data.get("end_time"),
"sharpe": data.get("sharpe", 0),
"sortino": data.get("sortino", 0),
"pnl_pct": data.get("pnl_pct", 0),
"max_dd": data.get("max_dd", 0),
"win_rate": data.get("win_rate", 0),
"total_trades": data.get("total_trades", 0),
"data_source": "Hyperliquid Mainnet",
})
except (json.JSONDecodeError, IOError):
pass
return JSONResponse(results)
@app.get("/api/backtest/historical/{name}")
async def get_historical_backtest(name: str):
"""Get full historical backtest result."""
fpath = os.path.join(HISTORICAL_DIR, f"{name}.json")
if os.path.exists(fpath):
with open(fpath) as f:
return JSONResponse(json.load(f))
return JSONResponse({"error": "not found"}, status_code=404)
@app.get("/api/backtest/{name}/csv")
async def get_backtest_csv(name: str):
"""Download backtest trades as CSV."""
from fastapi.responses import Response
fpath = os.path.join(BACKTEST_DIR, f"{name}.json")
if not os.path.exists(fpath):
return JSONResponse({"error": "not found"}, status_code=404)
with open(fpath) as f:
data = json.load(f)
trades = data.get("trades", [])
# Build CSV with headers
header = "time,side,size,price,pnl_gross,pnl_net,fee\n"
rows = []
for t in trades:
rows.append(f"{t.get('time','')},{t.get('side','')},{t.get('size','')},{t.get('price','')},{t.get('pnl_gross',t.get('pnl',''))},{t.get('pnl_net',t.get('pnl',''))},{t.get('fee','0')}")
csv_content = header + "\n".join(rows)
return Response(
content=csv_content,
media_type="text/csv",
headers={"Content-Disposition": f"attachment; filename={name}_trades.csv"}
)
@app.get("/api/risk")
async def get_risk_metrics():
"""Compute risk analytics from the latest paper metrics."""
paper = read_paper_metrics()
equity_history = paper.get("equity_history", [])
strategy_equity = paper.get("strategy_equity", {})
if not equity_history:
return JSONResponse({"error": "no equity history available"}, status_code=404)
summary = risk_summary(equity_history, strategy_equity)
# Build a compact correlation text summary for the frontend
corr = summary.get("correlation", {})
corr_summary = []
names = sorted(corr.keys())
for i, n1 in enumerate(names):
for n2 in names[i + 1:]:
val = corr.get(n1, {}).get(n2, 0)
if abs(val) > 0.3: # only show meaningful correlations
corr_summary.append({
"pair": f"{n1}{n2}",
"correlation": round(val, 3),
"level": "high" if abs(val) > 0.7 else "medium",
})
corr_summary.sort(key=lambda x: -abs(x["correlation"]))
return JSONResponse({
"portfolio": {
"var_95": summary["var_95"],
"cvar_95": summary["cvar_95"],
"max_drawdown": summary["max_drawdown"],
"calmar_ratio": summary["calmar_ratio"],
"sharpe": summary["sharpe"],
"sortino": summary["sortino"],
"num_observations": summary["num_observations"],
},
"per_strategy": summary.get("per_strategy", {}),
"correlation_summary": corr_summary,
"correlation_matrix": corr,
})
# ═══════════════════════════════════════════════════════════
# Static
# ═══════════════════════════════════════════════════════════
@app.get("/")
async def root():
return FileResponse(STATIC_DIR / "index.html")
app.mount("/static", StaticFiles(directory=str(STATIC_DIR)), name="static")
# ═══════════════════════════════════════════════════════════
# Main
# ═══════════════════════════════════════════════════════════
def main():
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("--port", type=int, default=9175)
parser.add_argument("--host", default="0.0.0.0")
args = parser.parse_args()
global loop
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
# Start metrics broadcaster
broadcaster = threading.Thread(target=broadcast_loop, daemon=True)
broadcaster.start()
print(f"FTDT Quant Lab Dashboard")
print(f" http://{args.host}:{args.port}")
print(f" WebSocket: ws://{args.host}:{args.port}/ws")
print(f" Backtests: /api/backtests")
uvicorn.run(app, host=args.host, port=args.port, log_level="warning")
if __name__ == "__main__":
main()