update nodes

tweak borrow and withdraw fn to account for rounding errors

stores/useMangoStore.tsx

@@ -18,8 +18,8 @@ import { notify } from '../utils/notifications'
 export const ENDPOINTS: EndpointInfo[] = [
   {
     name: 'mainnet-beta',
-    url: 'https://vip-api.mainnet-beta.solana.com/',
-    websocket: 'https://api.mainnet-beta.solana.com/',
+    url: 'https://mango.rpcpool.com/',
+    websocket: 'https://mango.rpcpool.com/',
     custom: false,
   },
   {

utils/mango.tsx

@@ -412,7 +412,7 @@ export async function borrowAndWithdraw(
   const nativeWithdrawQuantity = new BN(
     Math.floor(
       withdrawQuantity * Math.pow(10, mangoGroup.mintDecimals[tokenIndex])
-    )
+    ) - 1
   )
 
   const withdrawInstruction = makeWithdrawInstruction(