chore: get the node process running using tsx

- I think next comes understanding how to replace the newer get signer method
understanding how the execute route function has change and what is required
there

examples/node/package.json

@@ -3,7 +3,7 @@
   "version": "0.0.1",
   "type": "module",
   "description": "Sample project to showcase the usage of @lifi/sdk",
-  "main": "index.js",
+  "main": "swap.ts",
   "author": "Max Klenk <max@li.finance>",
   "license": "MIT",
   "dependencies": {
@@ -14,11 +14,11 @@
     "dotenv": "^16.3.1"
   },
   "scripts": {
-    "run-ts": "ts-node swap.ts"
+    "start": "tsx ."
   },
   "devDependencies": {
     "@types/node": "^20.5.9",
-    "ts-node": "^10.9.1",
+    "tsx": "^4.10.2",
     "typescript": "^5.2.2"
   }
 }

examples/node/swap.ts

@@ -1,4 +1,4 @@
-import { findDefaultToken } from '@lifi/data-types'
+import * as lifiDataTypes from '@lifi/data-types'
 import type { Execution, ExecutionSettings, Route, SDKOptions } from '@lifi/sdk'
 import { ChainId, CoinKey } from '@lifi/sdk'
 import 'dotenv/config'
@@ -7,16 +7,20 @@ import { getLifi, getSigner, promptConfirm } from './helpers'
 
 console.log('>> Starting Demo')
 
+const dataTypes = (lifiDataTypes as any).default
+
 const mnemonic = process.env.MNEMONIC || ''
 
 async function demo() {
   // get Route
   const routeRequest = {
     fromChainId: ChainId.AVA, // Avalanche
     fromAmount: '100000', // 1 USDT
-    fromTokenAddress: findDefaultToken(CoinKey.USDC, ChainId.AVA).address,
+    fromTokenAddress: dataTypes.findDefaultToken(CoinKey.USDC, ChainId.AVA)
+      .address,
     toChainId: ChainId.AVA, // Avalanche
-    toTokenAddress: findDefaultToken(CoinKey.USDT, ChainId.AVA).address,
+    toTokenAddress: dataTypes.findDefaultToken(CoinKey.USDT, ChainId.AVA)
+      .address,
     options: {
       slippage: 0.03, // = 3%
       allowSwitchChain: false, // execute all transaction on starting chain
@@ -41,8 +45,6 @@ async function demo() {
 
   console.log('>> Initialize LiFi')
 
-  const wallet = await getSigner(ChainId.AVA)
-
   const lifi = getLifi(optionalConfigs)
 
   console.log('>> Initialized, Requesting route')
@@ -58,6 +60,8 @@ async function demo() {
   console.log('>> Start Execution')
 
   // These are optonal settings for execution ------------------------------------
+  const wallet = await getSigner(ChainId.AVA)
+
   const settings: ExecutionSettings = {
     updateRouteHook: (updatedRoute) => {
       let lastExecution: Execution | undefined = undefined

examples/node/tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "module": "ESNext",
-    "moduleResolution": "node"
+    "moduleResolution": "node",
   },
   "ts-node": {
     "esm": true,