Add prototype for tests

tests/.babelrc

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+{
+  "plugins": [
+    [
+      "@babel/plugin-proposal-class-properties"
+    ]
+  ],
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "targets": {
+          "node": "current"
+        }
+      }
+    ],
+    "@babel/preset-flow"
+  ],
+}

tests/.flowconfig

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+[ignore]
+<PROJECT_ROOT>/lib
+
+[include]
+
+[libs]
+flow-typed
+
+[lints]
+
+[options]
+
+[strict]

tests/globalsetup.js

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+import Zemu from "@zondax/zemu";
+
+const catchExit = async () => {
+  process.on("SIGINT", () => {
+    Zemu.stopAllEmuContainers(function () {
+      process.exit();
+    });
+  });
+};
+
+module.exports = async () => {
+  await catchExit();
+  await Zemu.checkAndPullImage();
+  await Zemu.stopAllEmuContainers();
+};

tests/jest.config.js

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+// For a detailed explanation regarding each configuration property, visit:
+// https://jestjs.io/docs/en/configuration.html
+
+module.exports = {
+  modulePaths: ["<rootDir>/src", "<rootDir>/tests"],
+
+  moduleNameMapper: {
+    "^jest$": "<rootDir>/jest.js",
+  },
+
+  // Automatically clear mock calls and instances between every test
+  clearMocks: true,
+
+  // The directory where Jest should output its coverage files
+  coverageDirectory: "coverage",
+
+  globalSetup: "<rootDir>/globalsetup.js",
+
+  // A list of paths to directories that Jest should use to search for files in
+  roots: ["<rootDir>"],
+
+  runner: "jest-serial-runner",
+
+  // The test environment that will be used for testing
+  testEnvironment: "node",
+
+  // The glob patterns Jest uses to detect test files
+  testMatch: [
+    "**/__tests__/**/*.[jt]s?(x)",
+    "**/?(*.)+(spec|test).[tj]s?(x)",
+    "**/?(*.)+(ispec|test).[tj]s?(x)",
+  ],
+};

tests/jest.js

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+export default jest;
+export const { expect, test } = global;
+
+export const sim_options_s = {
+  model: "nanos",
+  logging: true,
+  start_delay: 2000,
+  X11: true,
+  custom: "",
+};
+
+export const sim_options_x = {
+  model: "nanox",
+  logging: true,
+  start_delay: 2000,
+  X11: true,
+  custom: "",
+};
+
+export const Resolve = require("path").resolve;
+export const NANOS_PATH = Resolve("elfs/ethereum_nanos.elf");
+export const NANOX_PATH = Resolve("elfs/ethereum_nanox.elf");

tests/lib/ethereum.test.js

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+"use strict";
+
+require("core-js/stable");
+
+require("regenerator-runtime/runtime");
+
+var _hwAppEth = _interopRequireDefault(require("@ledgerhq/hw-app-eth"));
+
+var _erc = require("@ledgerhq/hw-app-eth/erc20");
+
+var _zemu = _interopRequireDefault(require("@zondax/zemu"));
+
+var _errors = require("@ledgerhq/errors");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+test("Test USDT Lend on Compound", async () => {
+  jest.setTimeout(100000);
+  const sim = new _zemu.default(NANOS_PATH);
+
+  try {
+    await sim.start(sim_options);
+    let transport = await sim.getTransport();
+    const eth = new _hwAppEth.default(transport); // Send transaction
+    // https://etherscan.io/tx/0xa0f067369c92d240e253ac3bcb7b7aa56952f7e6feb4c2d93239713fb4e2c40e
+
+    let tx = eth.signTransaction("44'/60'/0'/0/0", "F8A95F850684EE180082CA2D944297394C20800E8A38A619A243E9BBE7681FF24E80B844A9059CBB000000000000000000000000D99A9739CF8B0BF66A7C99D9E14510C3146358C60000000000000000000000000000000000000000000002F0DEB79238F100000025A04CABB0BD9DFDC55605915450F9C7E0E3311996071D9F722BFA12E09C9EF8A23FA03DD645E1DA9B19448A327CC5ADCF89FA228C3642528D60258D9AE32A5B07F7A2");
+    await sim.waitUntilScreenIsNot(sim.getMainMenuSnapshot());
+    await sim.clickRight();
+    await sim.clickRight();
+    await sim.clickRight();
+    await sim.clickRight();
+    await sim.clickBoth();
+    await expect(tx).resolves.toEqual({
+      r: "e8c2b5b956b34386e68c5cc5bfc76aac158706430fcf1c71c9f6eb7d9dd690c8",
+      s: "064005410a778b047fdd4afcb1e712217c297e5b0a2190f88b9e56ac745fae69",
+      v: "26"
+    });
+  } finally {
+    await sim.close();
+  }
+});

tests/package.json

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+{
+  "name": "swap-test",
+  "version": "1.0.0",
+  "description": "",
+  "main": "test.js",
+  "scripts": {
+    "build": "babel src/ -d lib/",
+    "prepublish": "yarn run build",
+    "test": "jest src --verbose --runInBand --detectOpenHandles"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@babel/plugin-proposal-class-properties": "^7.12.1",
+    "@ledgerhq/hw-app-eth": "^5.30.0",
+    "@ledgerhq/hw-transport-http": "^4.74.2",
+    "@ledgerhq/logs": "^5.50.0",
+    "@zondax/zemu": "0.13.0",
+    "bignumber.js": "^9.0.0",
+    "bip32-path": "^0.4.2",
+    "core-js": "^3.7.0",
+    "ethereum-tx-decoder": "^3.0.0",
+    "google-protobuf": "^3.11.0",
+    "jest-serial-runner": "^1.1.0",
+    "js-sha256": "^0.9.0",
+    "regenerator-runtime": "^0.13.7",
+    "secp256k1": "^3.7.1"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.7.0",
+    "@babel/core": "^7.7.2",
+    "@babel/preset-env": "^7.7.1",
+    "@babel/preset-flow": "^7.0.0",
+    "@babel/preset-stage-0": "^7.0.0",
+    "@babel/register": "^7.7.0",
+    "flow-bin": "^0.112.0",
+    "jest": "^26.6.3"
+  }
+}

tests/src/ethereum.test.js

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+import "core-js/stable";
+import "regenerator-runtime/runtime";
+import Eth from "@ledgerhq/hw-app-eth";
+import { byContractAddress } from "@ledgerhq/hw-app-eth/erc20";
+import Zemu from "@zondax/zemu";
+import { TransportStatusError } from "@ledgerhq/errors";
+
+const {NANOS_PATH, NANOX_PATH, sim_options_nanos, sim_options_nanox} = require("generic.js");
+
+test("Test nanos", async () => {
+  jest.setTimeout(100000);
+  const sim = new Zemu(NANOS_PATH);
+
+  try {
+    await sim.start(sim_options_nanos);
+
+    let transport = await sim.getTransport();
+    const eth = new Eth(transport);
+
+    // Send transaction
+    // https://etherscan.io/tx/0xa0f067369c92d240e253ac3bcb7b7aa56952f7e6feb4c2d93239713fb4e2c40e
+    let tx = eth.signTransaction(
+        "44'/60'/0'/0/0",
+        "F8A95F850684EE180082CA2D944297394C20800E8A38A619A243E9BBE7681FF24E80B844A9059CBB000000000000000000000000D99A9739CF8B0BF66A7C99D9E14510C3146358C60000000000000000000000000000000000000000000002F0DEB79238F100000025A04CABB0BD9DFDC55605915450F9C7E0E3311996071D9F722BFA12E09C9EF8A23FA03DD645E1DA9B19448A327CC5ADCF89FA228C3642528D60258D9AE32A5B07F7A2"
+      );
+
+    await sim.clickRight();
+    await sim.clickRight();
+    await sim.clickRight();
+    await sim.clickRight();
+    await sim.clickBoth();
+
+    await expect(tx).resolves.toEqual({
+      r: "e8c2b5b956b34386e68c5cc5bfc76aac158706430fcf1c71c9f6eb7d9dd690c8",
+      s: "064005410a778b047fdd4afcb1e712217c297e5b0a2190f88b9e56ac745fae69",
+      v: "26",
+    });
+
+  } finally {
+    await sim.close();
+  }
+});

tests/src/generic.js

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+const sim_options_nanos = {
+  model: "nanos",
+  logging: true,
+  start_delay: 2000,
+  X11: true,
+  custom: "",
+};
+
+const sim_options_nanox = {
+  model: "nanox",
+  logging: true,
+  start_delay: 2000,
+  X11: true,
+  custom: "",
+};
+
+const Resolve = require("path").resolve;
+const NANOS_PATH = Resolve("elfs/ethereum_nanos.elf");
+const NANOX_PATH = Resolve("elfs/ethereum_nanox.elf");
+
+module.exports = {
+    NANOS_PATH,
+    NANOX_PATH,
+    sim_options_nanos,
+    sim_options_nanox
+}