arbitrage-engine/frontend/app/signals/page.tsx

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"use client";
import { useEffect, useState, useCallback } from "react";
import { authFetch } from "@/lib/auth";
import { useAuth } from "@/lib/auth";
import Link from "next/link";
import {
ComposedChart, Area, Line, XAxis, YAxis, Tooltip, ResponsiveContainer,
ReferenceLine, CartesianGrid, Legend
} from "recharts";
type Symbol = "BTC" | "ETH";
interface IndicatorRow {
ts: number;
cvd_fast: number;
cvd_mid: number;
cvd_day: number;
atr_5m: number;
vwap_30m: number;
price: number;
score: number;
signal: string | null;
}
interface LatestIndicator {
ts: number;
cvd_fast: number;
cvd_mid: number;
cvd_day: number;
cvd_fast_slope: number;
atr_5m: number;
atr_percentile: number;
vwap_30m: number;
price: number;
p95_qty: number;
p99_qty: number;
score: number;
signal: string | null;
tier?: "light" | "standard" | "heavy" | null;
factors?: {
direction?: { score?: number };
crowding?: { score?: number };
environment?: { score?: number };
confirmation?: { score?: number };
auxiliary?: { score?: number };
} | null;
}
interface MarketIndicatorValue {
value: Record<string, unknown>;
ts: number;
}
interface MarketIndicatorSet {
long_short_ratio?: MarketIndicatorValue;
top_trader_position?: MarketIndicatorValue;
open_interest_hist?: MarketIndicatorValue;
coinbase_premium?: MarketIndicatorValue;
}
const WINDOWS = [
{ label: "1h", value: 60 },
{ label: "4h", value: 240 },
{ label: "12h", value: 720 },
{ label: "24h", value: 1440 },
];
function bjtStr(ms: number) {
const d = new Date(ms + 8 * 3600 * 1000);
return `${String(d.getUTCHours()).padStart(2, "0")}:${String(d.getUTCMinutes()).padStart(2, "0")}`;
}
function fmt(v: number, decimals = 1): string {
if (Math.abs(v) >= 1000000) return `${(v / 1000000).toFixed(1)}M`;
if (Math.abs(v) >= 1000) return `${(v / 1000).toFixed(1)}K`;
return v.toFixed(decimals);
}
function pct(v: number, digits = 1): string {
return `${(v * 100).toFixed(digits)}%`;
}
function LayerScore({ label, score, max, colorClass }: { label: string; score: number; max: number; colorClass: string }) {
const ratio = Math.max(0, Math.min((score / max) * 100, 100));
return (
<div className="space-y-1">
<div className="flex items-center justify-between text-xs text-slate-600">
<span>{label}</span>
<span className="font-mono">{score}/{max}</span>
</div>
<div className="h-1.5 rounded-full bg-slate-100 overflow-hidden">
<div className={`h-full ${colorClass}`} style={{ width: `${ratio}%` }} />
</div>
</div>
);
}
function MarketIndicatorsCards({ symbol }: { symbol: Symbol }) {
const [data, setData] = useState<MarketIndicatorSet | null>(null);
useEffect(() => {
const fetch = async () => {
try {
const res = await authFetch("/api/signals/market-indicators");
if (!res.ok) return;
const json = await res.json();
setData(json[symbol] || null);
} catch {}
};
fetch();
const iv = setInterval(fetch, 5000);
return () => clearInterval(iv);
}, [symbol]);
if (!data) return <div className="text-center text-slate-400 text-sm py-3">...</div>;
// value可能是JSON字符串或对象统一解析
const parseVal = (v: unknown): Record<string, unknown> => {
if (!v) return {};
if (typeof v === "string") { try { return JSON.parse(v); } catch { return {}; } }
if (typeof v === "object") return v as Record<string, unknown>;
return {};
};
const lsVal = parseVal(data.long_short_ratio?.value);
const topVal = parseVal(data.top_trader_position?.value);
const oiVal = parseVal(data.open_interest_hist?.value);
const premVal = parseVal(data.coinbase_premium?.value);
const longPct = Number(lsVal?.longAccount ?? 0.5) * 100;
const shortPct = Number(lsVal?.shortAccount ?? 0.5) * 100;
const topLong = Number(topVal?.longAccount ?? 0.5) * 100;
const topShort = Number(topVal?.shortAccount ?? 0.5) * 100;
const oiValue = Number(oiVal?.sumOpenInterestValue ?? 0);
const oiDisplay = oiValue >= 1e9 ? `$${(oiValue / 1e9).toFixed(2)}B` : oiValue >= 1e6 ? `$${(oiValue / 1e6).toFixed(0)}M` : `$${oiValue.toFixed(0)}`;
const premium = Number(premVal?.premium_pct ?? 0);
return (
<div className="grid grid-cols-2 lg:grid-cols-4 gap-2">
<div className="bg-white rounded-xl border border-slate-200 p-3">
<p className="text-xs text-slate-400"> (L/S)</p>
<p className="text-sm text-slate-800 mt-1">Long: {longPct.toFixed(1)}%</p>
<p className="text-sm text-slate-600">Short: {shortPct.toFixed(1)}%</p>
</div>
<div className="bg-white rounded-xl border border-slate-200 p-3">
<p className="text-xs text-slate-400"></p>
<p className="text-sm text-slate-800 mt-1">: {topLong.toFixed(1)}%</p>
<p className="text-sm text-slate-600">: {topLong >= 55 ? "多头占优" : topLong <= 45 ? "空头占优" : "中性"}</p>
</div>
<div className="bg-white rounded-xl border border-slate-200 p-3">
<p className="text-xs text-slate-400"> (OI)</p>
<p className="text-sm text-slate-800 mt-1">{oiDisplay}</p>
<p className="text-sm text-slate-600">{Number(oiVal?.sumOpenInterest ?? 0).toFixed(0)} BTC</p>
</div>
<div className="bg-white rounded-xl border border-slate-200 p-3">
<p className="text-xs text-slate-400">Coinbase Premium</p>
<p className={`text-sm mt-1 font-mono ${premium >= 0 ? "text-emerald-600" : "text-red-500"}`}>{premium >= 0 ? "+" : ""}{premium.toFixed(4)}%</p>
<p className="text-sm text-slate-600">: {premium > 0.005 ? "偏多" : premium < -0.005 ? "偏空" : "中性"}</p>
</div>
</div>
);
}
// ─── 信号历史 ────────────────────────────────────────────────────
interface SignalRecord {
ts: number;
score: number;
signal: string;
}
function bjtFull(ms: number) {
const d = new Date(ms + 8 * 3600 * 1000);
return `${String(d.getUTCMonth() + 1).padStart(2, "0")}-${String(d.getUTCDate()).padStart(2, "0")} ${String(d.getUTCHours()).padStart(2, "0")}:${String(d.getUTCMinutes()).padStart(2, "0")}:${String(d.getUTCSeconds()).padStart(2, "0")}`;
}
function SignalHistory({ symbol }: { symbol: Symbol }) {
const [data, setData] = useState<SignalRecord[]>([]);
useEffect(() => {
const fetchData = async () => {
try {
const res = await authFetch(`/api/signals/signal-history?symbol=${symbol}&limit=20`);
if (!res.ok) return;
const json = await res.json();
setData(json.data || []);
} catch {}
};
fetchData();
const iv = setInterval(fetchData, 15000);
return () => clearInterval(iv);
}, [symbol]);
if (data.length === 0) return null;
return (
<div className="rounded-xl border border-slate-200 bg-white shadow-sm overflow-hidden">
<div className="px-4 py-3 border-b border-slate-100">
<h3 className="font-semibold text-slate-800 text-sm"></h3>
<p className="text-xs text-slate-400 mt-0.5">20</p>
</div>
<div className="divide-y divide-slate-100">
{data.map((s, i) => (
<div key={i} className="px-4 py-2 flex items-center justify-between">
<div className="flex items-center gap-3">
<span className={`text-sm font-bold ${s.signal === "LONG" ? "text-emerald-600" : "text-red-500"}`}>
{s.signal === "LONG" ? "🟢 LONG" : "🔴 SHORT"}
</span>
<span className="text-xs text-slate-400">{bjtFull(s.ts)}</span>
</div>
<div className="flex items-center gap-2">
<span className="font-mono text-sm text-slate-700">{s.score}/100</span>
<span className={`text-xs px-1.5 py-0.5 rounded ${
s.score >= 85 ? "bg-red-100 text-red-700" :
s.score >= 75 ? "bg-blue-100 text-blue-700" :
"bg-slate-100 text-slate-600"
}`}>
{s.score >= 85 ? "加仓" : s.score >= 75 ? "标准" : "轻仓"}
</span>
</div>
</div>
))}
</div>
</div>
);
}
// ─── 实时指标卡片 ────────────────────────────────────────────────
function IndicatorCards({ symbol }: { symbol: Symbol }) {
const [data, setData] = useState<LatestIndicator | null>(null);
useEffect(() => {
const fetch = async () => {
try {
const res = await authFetch("/api/signals/latest");
if (!res.ok) return;
const json = await res.json();
setData(json[symbol] || null);
} catch {}
};
fetch();
const iv = setInterval(fetch, 5000);
return () => clearInterval(iv);
}, [symbol]);
if (!data) return <div className="text-center text-slate-400 text-sm py-4">...</div>;
const cvdFastDir = data.cvd_fast > 0 ? "多" : "空";
const cvdMidDir = data.cvd_mid > 0 ? "多" : "空";
const priceVsVwap = data.price > data.vwap_30m ? "上方" : "下方";
// 核心条件检查
const core1 = data.cvd_fast > 0 && data.cvd_fast_slope > 0 ? "✅" : data.cvd_fast < 0 && data.cvd_fast_slope < 0 ? "✅空" : "⬜";
const core2 = data.cvd_mid !== 0 ? "✅" : "⬜";
const core3 = data.price !== data.vwap_30m ? "✅" : "⬜";
return (
<div className="space-y-3">
{/* CVD三轨 */}
<div className="grid grid-cols-3 gap-2">
<div className="bg-white rounded-lg border border-slate-200 p-3">
<p className="text-xs text-slate-400">CVD_fast (30m)</p>
<p className={`font-mono font-bold text-lg ${data.cvd_fast >= 0 ? "text-emerald-600" : "text-red-500"}`}>
{fmt(data.cvd_fast)}
</p>
<p className="text-xs text-slate-400 mt-0.5">
: <span className={data.cvd_fast_slope >= 0 ? "text-emerald-600" : "text-red-500"}>
{data.cvd_fast_slope >= 0 ? "↑" : "↓"} {fmt(Math.abs(data.cvd_fast_slope))}
</span>
</p>
</div>
<div className="bg-white rounded-lg border border-slate-200 p-3">
<p className="text-xs text-slate-400">CVD_mid (4h)</p>
<p className={`font-mono font-bold text-lg ${data.cvd_mid >= 0 ? "text-emerald-600" : "text-red-500"}`}>
{fmt(data.cvd_mid)}
</p>
<p className="text-xs text-slate-400 mt-0.5">: {cvdMidDir}</p>
</div>
<div className="bg-white rounded-lg border border-slate-200 p-3">
<p className="text-xs text-slate-400">CVD_day ()</p>
<p className={`font-mono font-bold text-lg ${data.cvd_day >= 0 ? "text-emerald-600" : "text-red-500"}`}>
{fmt(data.cvd_day)}
</p>
<p className="text-xs text-slate-400 mt-0.5">线</p>
</div>
</div>
{/* ATR + VWAP + 大单 */}
<div className="grid grid-cols-2 md:grid-cols-4 gap-2">
<div className="bg-white rounded-lg border border-slate-200 p-3">
<p className="text-xs text-slate-400">ATR (5m×14)</p>
<p className="font-mono font-semibold text-slate-800">${fmt(data.atr_5m, 2)}</p>
<p className="text-xs text-slate-400 mt-0.5">
: <span className={data.atr_percentile > 60 ? "text-amber-600 font-semibold" : "text-slate-500"}>
{data.atr_percentile.toFixed(0)}%
</span>
{data.atr_percentile > 60 ? " 🔥扩张" : data.atr_percentile < 40 ? " 压缩" : ""}
</p>
</div>
<div className="bg-white rounded-lg border border-slate-200 p-3">
<p className="text-xs text-slate-400">VWAP (30m)</p>
<p className="font-mono font-semibold text-slate-800">${data.vwap_30m.toLocaleString("en-US", { maximumFractionDigits: 1 })}</p>
<p className="text-xs text-slate-400 mt-0.5">
VWAP<span className={data.price > data.vwap_30m ? "text-emerald-600" : "text-red-500"}>{priceVsVwap}</span>
</p>
</div>
<div className="bg-white rounded-lg border border-slate-200 p-3">
<p className="text-xs text-slate-400"> P95</p>
<p className="font-mono font-semibold text-slate-800">{data.p95_qty.toFixed(4)}</p>
<p className="text-xs text-slate-400 mt-0.5">24h动态分位</p>
</div>
<div className="bg-white rounded-lg border border-slate-200 p-3">
<p className="text-xs text-slate-400"> P99</p>
<p className="font-mono font-semibold text-amber-600">{data.p99_qty.toFixed(4)}</p>
<p className="text-xs text-slate-400 mt-0.5"></p>
</div>
</div>
{/* 信号状态V5.1 */}
<div className={`rounded-xl border p-3 ${
data.signal === "LONG" ? "border-emerald-300 bg-emerald-50" :
data.signal === "SHORT" ? "border-red-300 bg-red-50" :
"border-slate-200 bg-slate-50"
}`}>
<div className="flex items-center justify-between">
<div>
<p className="text-xs text-slate-500"></p>
<p className={`font-bold text-lg ${
data.signal === "LONG" ? "text-emerald-700" :
data.signal === "SHORT" ? "text-red-600" :
"text-slate-400"
}`}>
{data.signal === "LONG" ? "🟢 做多" : data.signal === "SHORT" ? "🔴 做空" : "⚪ 无信号"}
</p>
</div>
<div className="text-right">
<p className="text-xs text-slate-500"></p>
<p className="font-mono font-bold text-slate-800">{data.score}/100</p>
<p className="text-xs text-slate-500 mt-0.5">: {data.tier === "heavy" ? "加仓" : data.tier === "standard" ? "标准" : data.tier === "light" ? "轻仓" : "不开仓"}</p>
</div>
</div>
<div className="mt-3 space-y-2">
<LayerScore label="方向层" score={data.factors?.direction?.score ?? Math.min(Math.round(data.score * 0.45), 45)} max={45} colorClass="bg-blue-600" />
<LayerScore label="拥挤层" score={data.factors?.crowding?.score ?? Math.min(Math.round(data.score * 0.20), 20)} max={20} colorClass="bg-violet-600" />
<LayerScore label="环境层" score={data.factors?.environment?.score ?? Math.min(Math.round(data.score * 0.15), 15)} max={15} colorClass="bg-emerald-600" />
<LayerScore label="确认层" score={data.factors?.confirmation?.score ?? Math.min(Math.round(data.score * 0.15), 15)} max={15} colorClass="bg-amber-500" />
<LayerScore label="辅助层" score={data.factors?.auxiliary?.score ?? Math.min(Math.round(data.score * 0.05), 5)} max={5} colorClass="bg-slate-500" />
</div>
{data.signal && (
<div className="mt-2 grid grid-cols-3 gap-2 text-xs text-slate-600">
<span>{core1} CVD_fast方向</span>
<span>{core2} CVD_mid方向</span>
<span>{core3} VWAP位置</span>
</div>
)}
</div>
</div>
);
}
// ─── CVD三轨图 ──────────────────────────────────────────────────
function CVDChart({ symbol, minutes }: { symbol: Symbol; minutes: number }) {
const [data, setData] = useState<IndicatorRow[]>([]);
const [loading, setLoading] = useState(true);
const fetchData = useCallback(async (silent = false) => {
try {
const res = await authFetch(`/api/signals/indicators?symbol=${symbol}&minutes=${minutes}`);
if (!res.ok) return;
const json = await res.json();
setData(json.data || []);
if (!silent) setLoading(false);
} catch {}
}, [symbol, minutes]);
useEffect(() => {
setLoading(true);
fetchData();
const iv = setInterval(() => fetchData(true), 30000);
return () => clearInterval(iv);
}, [fetchData]);
const chartData = data.map(d => ({
time: bjtStr(d.ts),
fast: parseFloat(d.cvd_fast?.toFixed(2) || "0"),
mid: parseFloat(d.cvd_mid?.toFixed(2) || "0"),
price: d.price,
}));
// 价格轴自适应
const prices = chartData.map(d => d.price).filter(v => v > 0);
const pMin = prices.length ? Math.min(...prices) : 0;
const pMax = prices.length ? Math.max(...prices) : 0;
const pPad = (pMax - pMin) * 0.3 || pMax * 0.001;
if (loading) return <div className="flex items-center justify-center h-48 text-slate-400 text-sm">...</div>;
if (data.length === 0) return <div className="flex items-center justify-center h-48 text-slate-400 text-sm">signal-engine需运行积累</div>;
return (
<ResponsiveContainer width="100%" height={220}>
<ComposedChart data={chartData} margin={{ top: 4, right: 60, bottom: 0, left: 8 }}>
<CartesianGrid strokeDasharray="3 3" stroke="#f1f5f9" />
<XAxis dataKey="time" tick={{ fill: "#94a3b8", fontSize: 10 }} tickLine={false} interval="preserveStartEnd" />
<YAxis yAxisId="cvd" tick={{ fill: "#94a3b8", fontSize: 10 }} tickLine={false} axisLine={false} width={55} />
<YAxis yAxisId="price" orientation="right" tick={{ fill: "#f59e0b", fontSize: 10 }} tickLine={false} axisLine={false} width={65}
domain={[Math.floor(pMin - pPad), Math.ceil(pMax + pPad)]}
tickFormatter={(v: number) => v >= 1000 ? `$${(v / 1000).toFixed(1)}k` : `$${v.toFixed(0)}`}
/>
<Tooltip
// eslint-disable-next-line @typescript-eslint/no-explicit-any
formatter={(v: any, name: any) => {
if (name === "price") return [`$${Number(v).toLocaleString()}`, "币价"];
if (name === "fast") return [fmt(Number(v)), "CVD_fast(30m)"];
return [fmt(Number(v)), "CVD_mid(4h)"];
}}
contentStyle={{ background: "#fff", border: "1px solid #e2e8f0", borderRadius: 8, fontSize: 11 }}
/>
<Legend wrapperStyle={{ fontSize: 11 }} />
<ReferenceLine yAxisId="cvd" y={0} stroke="#94a3b8" strokeDasharray="4 2" />
<Area yAxisId="cvd" type="monotone" dataKey="fast" name="fast" stroke="#2563eb" fill="#eff6ff" strokeWidth={1.5} dot={false} connectNulls />
<Line yAxisId="cvd" type="monotone" dataKey="mid" name="mid" stroke="#7c3aed" strokeWidth={1.5} dot={false} connectNulls strokeDasharray="6 3" />
<Line yAxisId="price" type="monotone" dataKey="price" name="price" stroke="#f59e0b" strokeWidth={1.5} dot={false} connectNulls strokeDasharray="4 2" />
</ComposedChart>
</ResponsiveContainer>
);
}
// ─── 主页面 ──────────────────────────────────────────────────────
export default function SignalsPage() {
const { isLoggedIn, loading } = useAuth();
const [symbol, setSymbol] = useState<Symbol>("BTC");
const [minutes, setMinutes] = useState(240);
if (loading) return <div className="flex items-center justify-center h-64 text-slate-400">...</div>;
if (!isLoggedIn) return (
<div className="flex flex-col items-center justify-center h-64 gap-4">
<div className="text-5xl">🔒</div>
<p className="text-slate-600 font-medium"></p>
<div className="flex gap-2">
<Link href="/login" className="bg-blue-600 text-white px-4 py-2 rounded-lg text-sm"></Link>
<Link href="/register" className="border border-slate-300 text-slate-600 px-4 py-2 rounded-lg text-sm"></Link>
</div>
</div>
);
return (
<div className="space-y-5">
{/* 标题 */}
<div className="flex items-center justify-between flex-wrap gap-2">
<div>
<h1 className="text-xl font-bold text-slate-900">V5.1 </h1>
<p className="text-slate-500 text-xs mt-0.5">100 + + </p>
</div>
<div className="flex gap-1.5">
{(["BTC", "ETH"] as Symbol[]).map(s => (
<button key={s} onClick={() => setSymbol(s)}
className={`px-4 py-1.5 rounded-lg border text-sm font-medium transition-colors ${symbol === s ? "bg-blue-600 text-white border-blue-600" : "border-slate-200 text-slate-600 hover:border-blue-400"}`}>
{s}
</button>
))}
</div>
</div>
{/* 实时指标卡片 */}
<IndicatorCards symbol={symbol} />
{/* Market Indicators */}
<div className="rounded-xl border border-slate-200 bg-white p-3">
<h3 className="font-semibold text-slate-800 text-sm mb-2">Market Indicators</h3>
<MarketIndicatorsCards symbol={symbol} />
</div>
{/* 信号历史 */}
<SignalHistory symbol={symbol} />
{/* CVD三轨图 */}
<div className="rounded-xl border border-slate-200 bg-white shadow-sm overflow-hidden">
<div className="px-4 py-3 border-b border-slate-100 flex items-center justify-between flex-wrap gap-2">
<div>
<h3 className="font-semibold text-slate-800 text-sm">CVD三轨 + </h3>
<p className="text-xs text-slate-400 mt-0.5">=CVD_fast(30m) · 线=CVD_mid(4h) · 线=</p>
</div>
<div className="flex gap-1">
{WINDOWS.map(w => (
<button key={w.value} onClick={() => setMinutes(w.value)}
className={`px-2 py-1 rounded border text-xs transition-colors ${minutes === w.value ? "bg-slate-800 text-white border-slate-800" : "border-slate-200 text-slate-500 hover:border-slate-400"}`}>
{w.label}
</button>
))}
</div>
</div>
<div className="p-4">
<CVDChart symbol={symbol} minutes={minutes} />
</div>
</div>
{/* 说明 */}
<div className="rounded-xl border border-blue-100 bg-blue-50 px-4 py-3 text-xs text-slate-700 space-y-1">
<p><span className="text-blue-600 font-medium">V5.1</span>45 + 20 + 15 + 15 + 5+5</p>
<p><span className="text-blue-600 font-medium"></span>&lt;6060-7475-848510</p>
</div>
</div>
);
}