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feat(chart): candle build indicator as direction line #1

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u1 wants to merge 31 commits from feat/candle-build-indicator into main
pull from: feat/candle-build-indicator
merge into: trade:main
Conversation 0 Commits 31 Files Changed 23 +134 -14
1 changed files with 134 additions and 14 deletions
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Showing only changes of commit fa0ff11b5a - Show all commits

148
apps/visualizer/src/App.tsx
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@@ -1,3 +1,4 @@
import type { CSSProperties } from 'react';
import { useEffect, useMemo, useState } from 'react';
import { useLocalStorageState } from './app/hooks/useLocalStorageState';
import AppShell from './layout/AppShell';
@@ -11,6 +12,11 @@ import Button from './ui/Button';
import TopNav from './layout/TopNav';
import AuthStatus from './layout/AuthStatus';
import LoginScreen from './layout/LoginScreen';
import { useDlobStats } from './features/market/useDlobStats';
import { useDlobL2 } from './features/market/useDlobL2';
import { useDlobSlippage } from './features/market/useDlobSlippage';
import { useDlobDepthBands } from './features/market/useDlobDepthBands';
import DlobDashboard from './features/market/DlobDashboard';
function envNumber(name: string, fallback: number): number {
const v = (import.meta as any).env?.[name];
@@ -36,6 +42,11 @@ function formatQty(v: number | null | undefined, decimals: number): string {
return v.toLocaleString(undefined, { minimumFractionDigits: decimals, maximumFractionDigits: decimals });
}
function orderbookBarStyle(scale: number): CSSProperties {
const s = Number.isFinite(scale) && scale > 0 ? Math.min(1, scale) : 0;
return { ['--ob-bar-scale' as any]: s } as CSSProperties;
}
type WhoamiResponse = {
ok?: boolean;
user?: string | null;
@@ -99,9 +110,9 @@ export default function App() {
}
function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
const markets = useMemo(() => ['PUMP-PERP', 'SOL-PERP', 'BTC-PERP', 'ETH-PERP'], []);
const markets = useMemo(() => ['PUMP-PERP', 'SOL-PERP', '1MBONK-PERP', 'BTC-PERP', 'ETH-PERP'], []);
const [symbol, setSymbol] = useLocalStorageState('trade.symbol', envString('VITE_SYMBOL', 'PUMP-PERP'));
const [symbol, setSymbol] = useLocalStorageState('trade.symbol', envString('VITE_SYMBOL', 'SOL-PERP'));
const [source, setSource] = useLocalStorageState('trade.source', envString('VITE_SOURCE', ''));
const [tf, setTf] = useLocalStorageState('trade.tf', envString('VITE_TF', '1m'));
const [pollMs, setPollMs] = useLocalStorageState('trade.pollMs', envNumber('VITE_POLL_MS', 1000));
@@ -110,7 +121,7 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
const [showBuild, setShowBuild] = useLocalStorageState('trade.showBuild', false);
const [tab, setTab] = useLocalStorageState<'orderbook' | 'trades'>('trade.sidebarTab', 'orderbook');
const [bottomTab, setBottomTab] = useLocalStorageState<
'positions' | 'orders' | 'balances' | 'orderHistory' | 'positionHistory'
'dlob' | 'positions' | 'orders' | 'balances' | 'orderHistory' | 'positionHistory'
>('trade.bottomTab', 'positions');
const [tradeSide, setTradeSide] = useLocalStorageState<'long' | 'short'>('trade.form.side', 'long');
const [tradeOrderType, setTradeOrderType] = useLocalStorageState<'market' | 'limit' | 'other'>(
@@ -120,6 +131,16 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
const [tradePrice, setTradePrice] = useLocalStorageState<number>('trade.form.price', 0);
const [tradeSize, setTradeSize] = useLocalStorageState<number>('trade.form.size', 0.1);
useEffect(() => {
if (symbol === 'BONK-PERP') {
setSymbol('1MBONK-PERP');
return;
}
if (!markets.includes(symbol)) {
setSymbol('SOL-PERP');
}
}, [markets, setSymbol, symbol]);
const { candles, indicators, meta, loading, error, refresh } = useChartData({
symbol,
source: source.trim() ? source : undefined,
@@ -128,12 +149,18 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
pollMs,
});
const { stats: dlob, connected: dlobConnected, error: dlobError } = useDlobStats(symbol);
const { l2: dlobL2, connected: dlobL2Connected, error: dlobL2Error } = useDlobL2(symbol, { levels: 14 });
const { rows: slippageRows, connected: slippageConnected, error: slippageError } = useDlobSlippage(symbol);
const { rows: depthBands, connected: depthBandsConnected, error: depthBandsError } = useDlobDepthBands(symbol);
const latest = candles.length ? candles[candles.length - 1] : null;
const first = candles.length ? candles[0] : null;
const changePct =
first && latest && first.close > 0 ? ((latest.close - first.close) / first.close) * 100 : null;
const orderbook = useMemo(() => {
if (dlobL2) return { asks: dlobL2.asks, bids: dlobL2.bids, mid: dlobL2.mid as number | null };
if (!latest) return { asks: [], bids: [], mid: null as number | null };
const mid = latest.close;
const step = Math.max(mid * 0.00018, 0.0001);
@@ -164,7 +191,19 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
});
return { asks, bids, mid };
}, [latest]);
}, [dlobL2, latest]);
const maxAskTotal = useMemo(() => {
let max = 0;
for (const r of orderbook.asks) max = Math.max(max, r.total || 0);
return max;
}, [orderbook.asks]);
const maxBidTotal = useMemo(() => {
let max = 0;
for (const r of orderbook.bids) max = Math.max(max, r.total || 0);
return max;
}, [orderbook.bids]);
const trades = useMemo(() => {
const slice = candles.slice(-24).reverse();
@@ -184,6 +223,24 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
return latest?.close ?? tradePrice;
}, [latest?.close, tradeOrderType, tradePrice]);
const orderValueUsd = useMemo(() => {
if (!Number.isFinite(tradeSize) || tradeSize <= 0) return null;
if (!Number.isFinite(effectiveTradePrice) || effectiveTradePrice <= 0) return null;
const v = effectiveTradePrice * tradeSize;
return Number.isFinite(v) && v > 0 ? v : null;
}, [effectiveTradePrice, tradeSize]);
const dynamicSlippage = useMemo(() => {
if (orderValueUsd == null) return null;
const side = tradeSide === 'short' ? 'sell' : 'buy';
const rows = slippageRows.filter((r) => r.side === side).slice();
rows.sort((a, b) => a.sizeUsd - b.sizeUsd);
if (!rows.length) return null;
const biggest = rows[rows.length - 1];
const match = rows.find((r) => r.sizeUsd >= orderValueUsd) || biggest;
return match;
}, [orderValueUsd, slippageRows, tradeSide]);
const topItems = useMemo(
() => [
{ key: 'BTC', label: 'BTC', changePct: 1.28, active: false },
@@ -209,12 +266,28 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
),
},
{ key: 'oracle', label: 'Oracle', value: formatUsd(latest?.oracle ?? null) },
{ key: 'funding', label: 'Funding / 24h', value: '—', sub: '—' },
{ key: 'oi', label: 'Open Interest', value: '—' },
{ key: 'vol', label: '24h Volume', value: '—' },
{ key: 'details', label: 'Market Details', value: <a href="#">View</a> },
{ key: 'bid', label: 'Bid', value: formatUsd(dlob?.bestBid ?? null) },
{ key: 'ask', label: 'Ask', value: formatUsd(dlob?.bestAsk ?? null) },
{
key: 'spread',
label: 'Spread',
value: dlob?.spreadBps == null ? '—' : `${dlob.spreadBps.toFixed(1)} bps`,
sub: formatUsd(dlob?.spreadAbs ?? null),
},
{
key: 'dlob',
label: 'DLOB',
value: dlobConnected ? 'live' : '—',
sub: dlobError ? <span className="neg">{dlobError}</span> : dlob?.updatedAt || '—',
},
{
key: 'l2',
label: 'L2',
value: dlobL2Connected ? 'live' : '—',
sub: dlobL2Error ? <span className="neg">{dlobL2Error}</span> : dlobL2?.updatedAt || '—',
},
];
}, [latest?.close, latest?.oracle, changePct]);
}, [latest?.close, latest?.oracle, changePct, dlob, dlobConnected, dlobError, dlobL2, dlobL2Connected, dlobL2Error]);
const seriesLabel = useMemo(() => `Candles: Mark (oracle overlay)`, []);
const seriesKey = useMemo(() => `${symbol}|${source}|${tf}`, [symbol, source, tf]);
@@ -292,11 +365,30 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
showBuild={showBuild}
onToggleBuild={() => setShowBuild((v) => !v)}
seriesLabel={seriesLabel}
dlobQuotes={{ bid: dlob?.bestBid ?? null, ask: dlob?.bestAsk ?? null, mid: dlob?.mid ?? null }}
/>
<Card className="bottomCard">
<Tabs
items={[
{
id: 'dlob',
label: 'DLOB',
content: (
<DlobDashboard
market={symbol}
stats={dlob}
statsConnected={dlobConnected}
statsError={dlobError}
depthBands={depthBands}
depthBandsConnected={depthBandsConnected}
depthBandsError={depthBandsError}
slippageRows={slippageRows}
slippageConnected={slippageConnected}
slippageError={slippageError}
/>
),
},
{ id: 'positions', label: 'Positions', content: <div className="placeholder">Positions (next)</div> },
{ id: 'orders', label: 'Orders', content: <div className="placeholder">Orders (next)</div> },
{ id: 'balances', label: 'Balances', content: <div className="placeholder">Balances (next)</div> },
@@ -323,7 +415,7 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
title={
<div className="sideHead">
<div className="sideHead__title">Orderbook</div>
<div className="sideHead__subtitle">{loading ? 'loading…' : latest ? formatUsd(latest.close) : '—'}</div>
<div className="sideHead__subtitle">{loading ? 'loading…' : orderbook.mid != null ? formatUsd(orderbook.mid) : latest ? formatUsd(latest.close) : '—'}</div>
</div>
}
>
@@ -341,18 +433,26 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
</div>
<div className="orderbook__rows">
{orderbook.asks.map((r) => (
<div key={`a-${r.price}`} className="orderbookRow orderbookRow--ask">
<div
key={`a-${r.price}`}
className="orderbookRow orderbookRow--ask"
style={orderbookBarStyle(maxAskTotal > 0 ? r.total / maxAskTotal : 0)}
>
<span className="orderbookRow__price">{formatQty(r.price, 3)}</span>
<span className="orderbookRow__num">{formatQty(r.size, 2)}</span>
<span className="orderbookRow__num">{formatQty(r.total, 2)}</span>
</div>
))}
<div className="orderbookMid">
<span className="orderbookMid__price">{latest ? formatQty(latest.close, 3) : '—'}</span>
<span className="orderbookMid__price">{formatQty(orderbook.mid, 3)}</span>
<span className="orderbookMid__label">mid</span>
</div>
{orderbook.bids.map((r) => (
<div key={`b-${r.price}`} className="orderbookRow orderbookRow--bid">
<div
key={`b-${r.price}`}
className="orderbookRow orderbookRow--bid"
style={orderbookBarStyle(maxBidTotal > 0 ? r.total / maxBidTotal : 0)}
>
<span className="orderbookRow__price">{formatQty(r.price, 3)}</span>
<span className="orderbookRow__num">{formatQty(r.size, 2)}</span>
<span className="orderbookRow__num">{formatQty(r.total, 2)}</span>
@@ -487,7 +587,27 @@ function TradeApp({ user, onLogout }: { user: string; onLogout: () => void }) {
</div>
<div className="tradeMeta__row">
<span className="tradeMeta__label">Slippage (Dynamic)</span>
<span className="tradeMeta__value">—</span>
<span className="tradeMeta__value">
{slippageError ? (
<span className="neg">{slippageError}</span>
) : dynamicSlippage?.impactBps == null ? (
slippageConnected ? (
'—'
) : (
'offline'
)
) : (
<>
{dynamicSlippage.impactBps.toFixed(1)} bps{' '}
<span className="muted">
({dynamicSlippage.sizeUsd.toLocaleString()} USD)
{dynamicSlippage.fillPct != null && dynamicSlippage.fillPct < 99.9
? `, ${dynamicSlippage.fillPct.toFixed(0)}% fill`
: ''}
</span>
</>
)}
</span>
</div>
<div className="tradeMeta__row">
<span className="tradeMeta__label">Margin Required</span>