diff --git a/src/constant.ts b/src/constant.ts
index b045b88..4b39d25 100644
--- a/src/constant.ts
+++ b/src/constant.ts
@@ -14,15 +14,16 @@ export function getConfig(
   env: string | undefined = ENV ||
     process.env.NEAR_ENV ||
     process.env.REACT_APP_REF_SDK_ENV,
-  indexerUrl: string | undefined = INDEXER_URL
-) {
+    indexerUrl: string | undefined = INDEXER_URL,
+    nodeUrl: string | undefined = ""
+  ) {
   ENV = env;
   INDEXER_URL = indexerUrl;
   switch (env) {
     case 'mainnet':
       return {
         networkId: 'mainnet',
-        nodeUrl: 'https://rpc.mainnet.near.org',
+        nodeUrl: nodeUrl || 'https://rpc.mainnet.near.org',
         walletUrl: 'https://wallet.near.org',
         WRAP_NEAR_CONTRACT_ID: 'wrap.near',
         REF_FI_CONTRACT_ID: 'v2.ref-finance.near',
@@ -34,7 +35,7 @@ export function getConfig(
     case 'testnet':
       return {
         networkId: 'testnet',
-        nodeUrl: 'https://rpc.testnet.near.org',
+        nodeUrl: nodeUrl || 'https://rpc.testnet.near.org',
         walletUrl: 'https://wallet.testnet.near.org',
         indexerUrl: indexerUrl || 'https://testnet-indexer.ref-finance.com',
         WRAP_NEAR_CONTRACT_ID: 'wrap.testnet',
@@ -46,7 +47,7 @@ export function getConfig(
     case 'dev':
       return {
         networkId: 'testnet',
-        nodeUrl: 'https://rpc.testnet.near.org',
+        nodeUrl: nodeUrl || 'https://rpc.testnet.near.org',
         walletUrl: 'https://wallet.testnet.near.org',
         indexerUrl: indexerUrl || 'https://dev-indexer.ref-finance.com',
         WRAP_NEAR_CONTRACT_ID: 'wrap.testnet',
@@ -58,7 +59,7 @@ export function getConfig(
     default:
       return {
         networkId: 'mainnet',
-        nodeUrl: 'https://rpc.mainnet.near.org',
+        nodeUrl: nodeUrl || 'https://rpc.mainnet.near.org',
         walletUrl: 'https://wallet.near.org',
         REF_FI_CONTRACT_ID: 'v2.ref-finance.near',
         WRAP_NEAR_CONTRACT_ID: 'wrap.near',
diff --git a/src/ref.ts b/src/ref.ts
index 000729b..5b88a1b 100644
--- a/src/ref.ts
+++ b/src/ref.ts
@@ -47,11 +47,11 @@ let near = new Near({
   headers: {},
   ...getConfig(),
 });
-export const init_env = (env: string, indexerUrl?: string) => {
+export const init_env = (env: string, indexerUrl?: string, nodeUrl?: string) => {
   near = new Near({
     keyStore: getKeyStore(),
     headers: {},
-    ...getConfig(env, indexerUrl),
+    ...getConfig(env, indexerUrl, nodeUrl),
   });
   return switchEnv();
 };
diff --git a/src/utils.ts b/src/utils.ts
index d4e92ff..3472431 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -29,7 +29,6 @@ import {
   STORAGE_TO_REGISTER_WITH_MFT,
 } from './constant';
 import Big from 'big.js';
-import { SignAndSendTransactionsParams } from '@near-wallet-selector/core/lib/wallet';
 import { TokenMetadata } from './types';
 import { PoolMode } from './v1-swap/swap';
 import { getSwappedAmount } from './stable-swap';
@@ -289,7 +288,7 @@ export const WalletSelectorTransactions = (
     };
   });
 
-  return { transactions: parsedTransactions } as SignAndSendTransactionsParams;
+  return { transactions: parsedTransactions } ;
 };
 
 export const separateRoutes = (