TradingView Communication

Use this to avoid re-discovering the bridge between the OneKey app repository and the separate TradingView chart repository. Do not assume fixed local filesystem paths; locate files by symbol names with rg.

Mental Model

The app loads the chart app inside WebView/iframe and both sides exchange plain message objects.

• Chart -> app: $private payloads with scope, origin, method, and data.
• App -> chart: webRef.current.sendMessageViaInjectedScript(message), which lands in the chart as window.postMessage(message).
• Web/extension uses iframe postMessage; native/desktop injects a script that calls window.postMessage(...).
• Market mode data normally comes from the OneKey app/background service. Perps/Hyperliquid candles are fetched by the chart app directly, while marks, price scale, symbol sync, and chart lines still use the app bridge.

Search Anchors

Start with rg instead of assuming local paths.

App repo anchors:

• URL builder: useTradingViewUrl
• Market wrapper: TradingViewV2
• Market receive handler: useTradingViewMessageHandler
• Market kline/marks handler: handleKLineDataRequest, fetchAccountTransactionMarks
• Market realtime push: useAutoKLineUpdate, useTradingViewV2WebSocket
• Perps wrapper: TradingViewPerpsV2
• Perps receive handler: usePerpsTradingViewMessageHandler
• Perps line sender: useChartLines, buildAllLinesForSymbol
• WebView bridge: sendMessageViaInjectedScript, createMessageInjectedScript, InpageProviderWebView, NativeWebView, DesktopWebView
• Background services: fetchMarketTokenKline, fetchMarketAccountTokenTransactions, subscribeOHLCV, getTradingviewMidPrice, setTradingviewDisplayPriceScale
• Base URLs: TRADING_VIEW_URL, TRADING_VIEW_URL_TEST

Chart repo anchors:

• Entry and mode switch: getBusinessTypeFromUrl, shouldUseFastBootstrapFromUrl
• Widget and manager setup: TradingViewWidget, ChartManager
• Outbound bridge: sendMessage, createDefaultPayload, requestHistoryData, getHyperliquidPriceScale, getMarksData
• Symbol sync: setupSymbolChangeListener, publishActiveSymbol, symbolDisplayState
• Market datafeed: OnekeyDatafeed
• Hyperliquid datafeed: HyperliquidDatafeed, HyperliquidWebSocket
• Marks listener: marksListener, MarksManager
• Perps lines listener: setupPerpsLinesListener, PerpsLinesManager
• Message constants/types: METHOD_TYPES, PERPS_TV_MESSAGE_TYPES, ITVLine

Treat the TradingView library static asset directory in the chart repo as vendor assets. Do not edit it for bridge changes.

URL Parameters

App URL generation is centralized in useTradingViewUrl.

Common params:

• Always: timezone, locale, platform, theme, optional appVersion.
• Market: decimal, networkId, address, symbol, type=market, storageNamespace=market.
• Market using Hyperliquid candles: scene=market-hyperliquid, storageNamespace=market-hyperliquid.
• Perps: symbol, type=perps, storageNamespace=perps, enablePerpsTradingUi.

Perps freezes the initial URL symbol and sends later changes via SYMBOL_CHANGE to avoid WebView reloads.

Message Contracts

Market Kline

Chart requests history with:

{
  scope: '$private',
  method: 'tradingview_getKLineData',
  data: {
    method: 'tradingview_getHistoryData',
    resolution,
    from,
    to,
    firstDataRequest,
  },
}

App handles it in useTradingViewMessageHandler -> handleKLineDataRequest() and fetches serviceMarketV2.fetchMarketTokenKline().

App replies:

{
  type: 'kLineData',
  payload: {
    type: 'history',
    kLineData,
    requestData,
  },
}

Realtime market updates are app-pushed with type: 'autoKLineUpdate' and payload.type: 'realtime'.

Marks

Request/response:

• Chart -> app: method: 'tradingview_getMarks' with requestId, symbol, from, to, resolution.
• App -> chart: type: 'MARKS_RESPONSE', payload: { marks, requestId }.

Push updates:

• App -> chart: type: 'MARKS_UPDATE', payload: { symbol, operation, marks }.
• operation is incremental, replace, or clear.

Market marks come from account token transactions. Perps marks come from Hyperliquid fills.

Hyperliquid Price Scale

Chart requests:

{
  scope: '$private',
  method: 'tradingview_getHyperliquidPriceScale',
  data: { symbol, requestId },
}

App responds:

{
  type: 'HYPERLIQUID_PRICESCALE_RESPONSE',
  payload: { priceScale, minmov: 1, requestId },
}

The app calculates from current mid price with calculateDisplayPriceScale() and caches the result through serviceHyperliquid.setTradingviewDisplayPriceScale().

Perps Symbol Sync

App sends:

{
  type: 'SYMBOL_CHANGE',
  payload: {
    symbol,
    displayPair,
    displayCoin,
    force,
  },
}

Chart handles it in setupSymbolChangeListener(). Display labels are cached by raw symbol in symbolDisplayState; do not key Hyperliquid API calls off display labels.

Perps Lines

App -> chart:

• PERPS_TV_LINES_SYNC: full state { symbol, revision, lines }.
• PERPS_TV_LINES_PATCH: diff { symbol, revision, add, update, remove }.
• PERPS_TV_LINES_CLEAR: { symbol }.
• PERPS_TV_ORDER_PRICE_UPDATE_REJECTED: rollback for failed drag amend.

Chart -> app:

• tradingview_perpsReady: chart lines can be sent.
• tradingview_perpsOrderCancel: user clicked order-line cancel.
• tradingview_perpsOrderDraftCreate: plus/context menu placed a draft order.
• tradingview_perpsOrderPriceUpdate: user dragged a limit order line.
• tradingview_chartExpand: chart expand/collapse state.

The chart serializes sync/patch processing because TradingView line creation is async.

Current app default: PerpCandles sets enablePerpsTradingUi = false, so order draft/cancel/drag UI paths may exist but are not enabled in normal perps candles.

Recovery And Touch Scroll

• App sends type: 'FORCE_RECOVER_WS' after Hyperliquid WebSocket recovery. Chart validates origin before reconnecting subscriptions.
• Chart sends method: 'tradingview_touchScroll' with { deltaY } so app layouts can scroll around the embedded chart.

Change Checklist

When adding or changing a message:

1. Update constants/types on both sides, not just one repo.
2. Preserve requestId for async request/response flows.
3. Keep the payload shape stable for older app/chart builds where possible.
4. For app -> chart messages, add or update a chart-side window.message listener.
5. For chart -> app messages, route through sendMessage() and handle in the relevant app message handler.
6. For perps lines, respect revision ordering and symbol normalization.
7. For Hyperliquid symbols, use the raw coin id for API/cache keys. Display labels are UI-only.
8. Do not bypass $private bridge routing, trading enablement checks, order reject rollback, or origin checks.
9. Test both web iframe and native/desktop injected-script behavior when bridge mechanics change.

Verification

• App-only bridge change: run the relevant TypeScript/lint command for touched files; before commit use yarn agent:check --profile commit.
• Chart repo change: run npm run build or yarn build from the chart repo root; run npm run lint or yarn lint when touching lint-sensitive code.
• For local manual testing, enable "use local TradingView URL" in dev settings and run chart dev server on localhost:5173 (10.0.2.2:5173 for Android emulator).