update xrpl to 4.0.0

package.json

   "author": "nitowa",
   "license": "MIT",
   "dependencies": {
+    "axios": "^1.7.7",
     "ripple-lib": "^1.10.0",
-    "xrpl": "^2.7.0"
+    "xrpl": "^4.0.0"
   },
   "devDependencies": {
     "@types/chai": "^4.2.21",

src/xrpIO/xrpl-binding.ts

       throw new Error(`Insufficient funds to send transaction. See tx ${response.result.hash}`)
     }
     
-    this.dbg("Tx finalized", response.result.hash, response.result.Sequence)
+    
+    this.dbg("Tx finalized", response.result.hash, response.result.tx_json.Sequence)
     return response
 
   }
     }
     const tx = await this.getTransaction(hash)
 
-    if(verifyOwner && tx.result.Account != verifyOwner){
-      throw new CannotVerifyOwnerError(hash, tx.result.Account, verifyOwner)
+    
+
+    if(verifyOwner && tx.result.tx_json.Account != verifyOwner){
+      throw new CannotVerifyOwnerError(hash, tx.result.tx_json.Account, verifyOwner)
     }
 
-    const memo = tx.result.Memos[0].Memo
+    const memo = tx.result.tx_json.Memos[0].Memo
     const memoParsed = {
       data: hexDecode(memo.MemoData),
       format: hexDecode(memo.MemoFormat),

test/CONSTANTS.ts

+import axios from 'axios';
 import { Wallet } from "../src/util/types";
 import { readFileSync } from 'fs'
 const Path = require('path')
 }
 export const TEST_DATA = "test123123"
 
-import fetch from 'node-fetch';
-
-export const makeTestnetWallet = () : Promise<Wallet> => fetch('https://faucet.altnet.rippletest.net/accounts', {
-    method: 'POST',
-    headers: {
-        'Accept': 'application/json',
-        'Content-Type': 'application/json'
-    },
-}).then((raw:any) => {
-    return raw.json().then(content => {
-        return({
-            secret: content.account.secret,
-            address: content.account.address
-        });
-    })
-});
+export const makeTestnetWallet = async () : Promise<Wallet> => {
+    try{
+        const response = await axios.post('https://faucet.altnet.rippletest.net/accounts', {})
+        return ({
+            secret: response.data.seed,
+            address: response.data.account.address
+        })
+    
+    }catch(e){
+        console.log(e)
+    }
+}
 
 export const htmlTxt = readFileSync(Path.resolve(__dirname, '..', '..', 'test', 'index.html')).toString('ascii')
 

test/primitives.ts

     })
 
     it('sends even if rate limit exceeded', async function(){
-        this.timeout(10 * 60 * 1000) //10m
+        this.timeout(100 * 60 * 1000) //100m
         console.log("Testing if sending past rate limits correctly recovers and finishes. This may take a while.")
         await api.treeWrite(htmlTxt, receiveWallet.address, sendWallet.secret)
         console.log("1/7")