Merge da8c8f2 into 0247bda

Author: ejaycoleman

.changeset/silent-masks-dance.md

@@ -0,0 +1,5 @@
+---
+"ledger-live-desktop": minor
+---
+
+Adds MSW to LLD for MAD/DADA development

apps/ledger-live-desktop/README.md

@@ -53,6 +53,11 @@ pnpm i
 pnpm dev:lld
 ```
 
+```bash
+# launch the app in dev mode with MSW
+pnpm dev:lld:msw
+```
+
 ## Watch deps
 
 In another terminal and in parallel to `pnpm dev:lld`, you can watch different libs from the monorepo

apps/ledger-live-desktop/package.json

@@ -17,6 +17,7 @@
   "scripts": {
     "start:prod": "electron ./.webpack/main.bundle.js",
     "start": "cross-env NODE_ENV=development node ./tools/main.js",
+    "start:msw": "cross-env NODE_ENV=development ENABLE_MSW=true node ./tools/main.js",
     "build": "cross-env CSC_IDENTITY_AUTO_DISCOVERY=false STAGING=1 node ./tools/dist --nosign -v",
     "build:js": "cross-env NODE_ENV=production node ./tools/main.js build",
     "build:testing": "cross-env NODE_ENV=production TESTING=1 node ./tools/main.js build",
@@ -114,7 +115,6 @@
     "json-rpc-2.0": "0.2.19",
     "jsqr": "1.4.0",
     "lodash": "4.17.21",
-    "msw": "2.3.4",
     "prando": "5.1.2",
     "prop-types": "15.8.1",
     "qrcode": "1.5.3",
@@ -228,6 +228,7 @@
     "jest-environment-jsdom": "29.7.0",
     "listr": "0.14.3",
     "listr-verbose-renderer": "0.6.0",
+    "msw": "2.3.4",
     "nock": "13.5.4",
     "prebuild-install": "7.1.2",
     "react-refresh": "0.14.0",

apps/ledger-live-desktop/src/mocks/browser.ts

@@ -0,0 +1,16 @@
+import { setupWorker } from "msw/browser";
+import { http, HttpResponse } from "msw";
+import { mockAssets } from "./dada/mockAssets";
+
+const handlers = [
+  http.get("https://dada.api.ledger-test.com/v1/assets", () => {
+    return HttpResponse.json(mockAssets);
+  }),
+];
+
+const mswWorker = setupWorker(...handlers);
+
+export const startWorker = () =>
+  mswWorker.start({
+    onUnhandledRequest: "bypass",
+  });

apps/ledger-live-desktop/src/mocks/dada/mockAssets.ts

@@ -0,0 +1,99 @@
+export const mockAssets = {
+  cryptoAssets: {
+    bitcoin: {
+      id: "bitcoin",
+      ticker: "BTC",
+      name: "Bitcoin",
+      assetsIds: {
+        bitcoin: "bitcoin",
+      },
+    },
+  },
+  networks: {
+    bitcoin: {
+      id: "bitcoin",
+      name: "Bitcoin",
+      ticker: "BTC",
+    },
+  },
+  cryptoOrTokenCurrencies: {
+    bitcoin: {
+      type: "crypto_currency",
+      id: "bitcoin",
+      name: "Bitcoin",
+      ticker: "BTC",
+      units: [
+        {
+          code: "sat",
+          name: "satoshi",
+          magnitude: 0,
+        },
+        {
+          code: "bit",
+          name: "bit",
+          magnitude: 2,
+        },
+        {
+          code: "mBTC",
+          name: "mBTC",
+          magnitude: 5,
+        },
+        {
+          code: "BTC",
+          name: "bitcoin",
+          magnitude: 8,
+        },
+      ],
+      chainId: null,
+      confirmationsNeeded: 6,
+      symbol: "Ƀ",
+      coinType: 0,
+      family: "bitcoin",
+      hasSegwit: false,
+      hasTokens: false,
+      hrp: null,
+      disableCountervalue: false,
+    },
+  },
+  interestRates: {},
+  markets: {
+    bitcoin: {
+      currencyId: "bitcoin",
+      marketCap: 2311255367617,
+      fullyDilutedValuation: 2311255367617,
+      totalVolume: 37329002918,
+      high24h: 117596,
+      low24h: 115979,
+      price: 116155,
+      priceChange24h: -495.931735560574,
+      priceChangePercentage1h: -0.123056529685568,
+      priceChangePercentage24h: -0.425143016739924,
+      priceChangePercentage7d: 0.604189220603407,
+      priceChangePercentage30d: 6.49600225510015,
+      priceChangePercentage1y: 95.3416888544017,
+      marketCapChange24h: -9795454917.64356,
+      marketCapChangePercentage24h: -0.42203,
+      circulatingSupply: 19903696,
+      totalSupply: 19903696,
+      allTimeHigh: 122838,
+      allTimeLow: 67.81,
+      allTimeHighDate: "2025-07-14T07:56:01.937Z",
+      allTimeLowDate: "2013-07-06T00:00:00Z",
+      sparkline: [
+        115457.055, 113789.06, 113069.94, 113673.75, 113655.07, 113556.14, 113019.516, 112296.38,
+        112869.4, 113457.52, 113567.17, 113912.57, 113782.64, 114347.945, 114319.44, 114776.26,
+        114449.12, 114292.16, 114761.914, 114928.08, 115291.22, 114717.484, 114149.64, 114783.83,
+        112866.555, 113385.8, 113954.92, 113604.5, 114083.75, 114036.836, 114949.54, 115487.57,
+        115132.55, 114559.35, 114733.26, 116385.94, 116351.84, 116575.81, 117596.49, 116755.37,
+        116691.76, 116600.516,
+      ],
+      fetchAt: "2025-08-11T12:21:27.696160Z",
+    },
+  },
+  currenciesOrder: {
+    key: "marketCap",
+    order: "desc",
+    currenciesIds: ["bitcoin"],
+    metaCurrencyIds: ["bitcoin"],
+  },
+};

apps/ledger-live-desktop/src/mocks/init.ts

@@ -0,0 +1,26 @@
+async function enableMocking() {
+  const mswEnabled = process.env.ENABLE_MSW === "true";
+
+  if (mswEnabled) {
+    try {
+      const { startWorker } = await import("~/mocks/browser");
+
+      await startWorker();
+    } catch (error) {
+      console.error("MSW: Failed to start Mock Service Worker:", error);
+    }
+    return;
+  }
+
+  const registrations = await navigator.serviceWorker.getRegistrations();
+  const mswRegistrations = registrations.filter(registration =>
+    registration.active?.scriptURL.includes("mockServiceWorker"),
+  );
+  await Promise.all(
+    mswRegistrations.map(async registration => {
+      await registration.unregister();
+    }),
+  );
+}
+
+enableMocking();

apps/ledger-live-desktop/src/renderer/index.ts

@@ -1,4 +1,5 @@
 import "./pre";
 import "~/renderer/env";
 import "~/renderer/experimental"; // NB we need to load this first because it loads things from process.env and will setEnv properly at boot
+import "~/mocks/init"; // Initialize MSW (Mock Service Worker) for API mocking
 import "~/renderer/init";