Common connection config allows the basic connection rate limiting code to slow things down

src/renderer/App.tsx

@@ -23,7 +23,7 @@ import Tooltip from 'react-bootstrap/Tooltip';
 import { NavLink, Outlet, Route, Routes } from 'react-router-dom';
 import { toast, ToastContainer } from 'react-toastify';
 
-import { logger } from './common/globals';
+import { GetValidatorConnection, logger } from './common/globals';
 import 'react-toastify/dist/ReactToastify.css';
 import './App.scss';
 import { airdropSol, getElectronStorageWallet } from './data/accounts/account';
@@ -154,7 +154,7 @@ function Topbar() {
         default:
           amount = 1000;
       }
-      const solConn = new sol.Connection(netToURL(net));
+      const solConn = GetValidatorConnection(net);
       if (wallet.publicKey) {
         try {
           const balance = await solConn.getBalance(wallet.publicKey);

src/renderer/common/globals.ts

@@ -1,3 +1,6 @@
+import * as sol from '@solana/web3.js';
+import { Net, netToURL } from '../data/ValidatorNetwork/validatorNetworkState';
+
 // eslint-disable-next-line import/prefer-default-export
 export const logger = (() => {
   return window.electron?.log;
@@ -6,5 +9,25 @@ export const logger = (() => {
 // TODO: make this selectable - Return information at the selected commitment level
 //      [possible values: processed, confirmed, finalized]
 //      cli default seems to be finalized
-// The _get_ data commitment level - can cause mutation API calls to fail (i think due to wallet-adapter things)
+// The _get_ data commitment level - can cause some mutation API calls to fail (i think due to wallet-adapter / metaplex things)
 export const commitmentLevel = 'processed';
+
+let solConn: sol.Connection | undefined;
+let connNet: Net;
+
+export function GetValidatorConnection(net: Net) {
+  if (connNet === net) {
+    if (solConn) {
+      return solConn;
+    }
+    solConn = undefined;
+    connNet = net;
+  }
+  const cfg: sol.ConnectionConfig = {
+    commitment: commitmentLevel,
+    disableRetryOnRateLimit: true,
+  };
+  solConn = new sol.Connection(netToURL(net), cfg);
+
+  return solConn;
+}

src/renderer/components/AccountView.tsx

@@ -12,7 +12,7 @@ import {
 import { Program, AnchorProvider, setProvider } from '@project-serum/anchor';
 import * as sol from '@solana/web3.js';
 import { useQueryClient } from 'react-query';
-import { logger } from '../common/globals';
+import { GetValidatorConnection, logger } from '../common/globals';
 import { useAppDispatch, useAppSelector } from '../hooks';
 
 import {
@@ -26,10 +26,7 @@ import {
   truncateLamportAmount,
   useParsedAccount,
 } from '../data/accounts/getAccount';
-import {
-  netToURL,
-  selectValidatorNetworkState,
-} from '../data/ValidatorNetwork/validatorNetworkState';
+import { selectValidatorNetworkState } from '../data/ValidatorNetwork/validatorNetworkState';
 import AirDropSolButton from './AirDropSolButton';
 import EditableText from './base/EditableText';
 import InlinePK from './InlinePK';
@@ -88,7 +85,7 @@ function AccountView(props: { pubKey: string | undefined }) {
           // TODO: Why do I have to set this every time
           setProvider(
             new AnchorProvider(
-              new sol.Connection(netToURL(net)),
+              GetValidatorConnection(net),
               wallet,
               AnchorProvider.defaultOptions()
             )

src/renderer/components/LogView.tsx

@@ -1,9 +1,12 @@
 import * as sol from '@solana/web3.js';
 import { useEffect, useState } from 'react';
-import { logger, commitmentLevel } from '../common/globals';
+import {
+  logger,
+  commitmentLevel,
+  GetValidatorConnection,
+} from '../common/globals';
 import {
   NetStatus,
-  netToURL,
   selectValidatorNetworkState,
 } from '../data/ValidatorNetwork/validatorNetworkState';
 import { useAppSelector } from '../hooks';
@@ -28,7 +31,7 @@ function LogView() {
       return () => {};
     }
 
-    const solConn = new sol.Connection(netToURL(net));
+    const solConn = GetValidatorConnection(net);
     const subscriptionID = solConn.onLogs(
       'all',
       (logsInfo) => {

src/renderer/data/ValidatorNetwork/ValidatorNetwork.tsx

@@ -3,12 +3,11 @@ import { useEffect } from 'react';
 import Dropdown from 'react-bootstrap/Dropdown';
 import DropdownButton from 'react-bootstrap/DropdownButton';
 import { NavLink } from 'react-router-dom';
-import { logger } from '../../common/globals';
+import { GetValidatorConnection, logger } from '../../common/globals';
 import { useAppDispatch, useAppSelector, useInterval } from '../../hooks';
 import {
   Net,
   NetStatus,
-  netToURL,
   selectValidatorNetworkState,
   setNet,
   setState,
@@ -19,7 +18,7 @@ const validatorState = async (net: Net): Promise<NetStatus> => {
 
   // Connect to cluster
   try {
-    solConn = new sol.Connection(netToURL(net));
+    solConn = GetValidatorConnection(net);
     await solConn.getEpochInfo();
   } catch (error) {
     return NetStatus.Unavailable;
@@ -51,7 +50,7 @@ function ValidatorNetwork() {
       .catch((err) => {
         logger.debug(err);
       });
-  }, 5000);
+  }, 11111);
 
   const netDropdownSelect = (eventKey: string | null) => {
     // TODO: analytics('selectNet', { prevNet: net, newNet: eventKey });

src/renderer/data/accounts/account.ts

@@ -1,15 +1,15 @@
 import { AnyAction, Dispatch, ThunkDispatch } from '@reduxjs/toolkit';
 import { WalletContextState } from '@solana/wallet-adapter-react';
 import * as sol from '@solana/web3.js';
-import { logger, commitmentLevel } from '../../common/globals';
+import {
+  logger,
+  commitmentLevel,
+  GetValidatorConnection,
+} from '../../common/globals';
 import { NewKeyPairInfo } from '../../../types/types';
 import { ConfigState, setConfigValue } from '../Config/configState';
 import { SelectedAccountsList } from '../SelectedAccountsList/selectedAccountsState';
-import {
-  Net,
-  netToURL,
-  ValidatorState,
-} from '../ValidatorNetwork/validatorNetworkState';
+import { Net, ValidatorState } from '../ValidatorNetwork/validatorNetworkState';
 import { AccountsState, reloadFromMain } from './accountState';
 
 export async function airdropSol(
@@ -21,7 +21,7 @@ export async function airdropSol(
   const sols =
     typeof solAmount === 'number' ? solAmount : parseFloat(solAmount);
 
-  const connection = new sol.Connection(netToURL(net));
+  const connection = GetValidatorConnection(net);
 
   const airdropSignature = await connection.requestAirdrop(
     to,

src/renderer/data/accounts/getAccount.ts

@@ -4,7 +4,11 @@ import * as metaplex from '@metaplex/js';
 
 import { LRUCache } from 'typescript-lru-cache';
 import { useQuery } from 'react-query';
-import { logger, commitmentLevel } from '../../common/globals';
+import {
+  logger,
+  commitmentLevel,
+  GetValidatorConnection,
+} from '../../common/globals';
 import { Net, netToURL } from '../ValidatorNetwork/validatorNetworkState';
 import { AccountInfo } from './accountInfo';
 import { AccountMetaValues } from './accountState';
@@ -41,7 +45,7 @@ export async function getParsedAccount(
   net: Net,
   pubKey: string
 ): Promise<sol.AccountInfo<sol.ParsedAccountData> | undefined> {
-  const solConn = new sol.Connection(netToURL(net), commitmentLevel);
+  const solConn = GetValidatorConnection(net);
 
   const key = new sol.PublicKey(pubKey);
 
@@ -145,7 +149,7 @@ export async function getTokenAccounts(
   net: Net,
   pubKey: string
 ): Promise<sol.RpcResponseAndContext<TokenAccountArray>> {
-  const solConn = new sol.Connection(netToURL(net), commitmentLevel);
+  const solConn = GetValidatorConnection(net);
   const key = new sol.PublicKey(pubKey);
   const filter: sol.TokenAccountsFilter = {
     programId: new sol.PublicKey('TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA'),
@@ -180,6 +184,7 @@ export async function getTokenMetadata(
   net: Net,
   tokenPublicKey: string
 ): Promise<metaplex.programs.metadata.Metadata> {
+  // TODO: ...
   const conn = new metaplex.Connection(netToURL(net), commitmentLevel);
   try {
     // TODO: this console.logs "metadata load Error: Unable to find account: HKCjVqNU35H3zsXAVetgo743qCDMu7ssGnET1yvN4RSJ"
@@ -269,7 +274,7 @@ export const getHumanName = (meta: AccountMetaValues | undefined) => {
 };
 
 export async function refreshAccountInfos(net: Net, keys: string[]) {
-  const solConn = new sol.Connection(netToURL(net), commitmentLevel);
+  const solConn = GetValidatorConnection(net);
   const pubKeys = keys.map((k) => new sol.PublicKey(k));
   const accountInfos = await solConn.getMultipleAccountsInfo(pubKeys);
 

src/renderer/data/accounts/programChanges.ts

@@ -1,6 +1,6 @@
 import * as sol from '@solana/web3.js';
-import { logger } from '../../common/globals';
-import { Net, netToURL } from '../ValidatorNetwork/validatorNetworkState';
+import { GetValidatorConnection, logger } from '../../common/globals';
+import { Net } from '../ValidatorNetwork/validatorNetworkState';
 import { AccountInfo } from './accountInfo';
 import { peekAccount, updateCache } from './getAccount';
 
@@ -40,7 +40,7 @@ export const subscribeProgramChanges = async (
   ) {
     logger.silly('subscribeProgramChanges', programID);
 
-    const solConn = new sol.Connection(netToURL(net));
+    const solConn = GetValidatorConnection(net);
     const subscriptionID = solConn.onProgramAccountChange(
       programIDPubkey,
       (info: sol.KeyedAccountInfo, ctx: sol.Context) => {

src/renderer/nav/ValidatorNetworkInfo.tsx

@@ -3,9 +3,9 @@ import { useEffect, useState } from 'react';
 import { Col, Row } from 'react-bootstrap';
 import Container from 'react-bootstrap/Container';
 import { VictoryPie } from 'victory';
-import { logger } from '../common/globals';
+import { GetValidatorConnection, logger } from '../common/globals';
 import {
-  netToURL,
+  Net,
   selectValidatorNetworkState,
 } from '../data/ValidatorNetwork/validatorNetworkState';
 import { useAppSelector } from '../hooks';
@@ -23,8 +23,8 @@ export type ValidatorNetworkInfoResponse = {
   versionCount: VCount[];
 };
 // https://docs.solana.com/developing/clients/jsonrpc-api#getclusternodes
-const fetchValidatorNetworkInfo = async (url: string) => {
-  const solConn = new sol.Connection(url);
+const fetchValidatorNetworkInfo = async (net: Net) => {
+  const solConn = GetValidatorConnection(net);
   const contactInfo = await solConn.getClusterNodes();
   // TODO: on success / failure update the ValidatorNetworkState..
   const nodeVersion = await solConn.getVersion();
@@ -64,7 +64,6 @@ const fetchValidatorNetworkInfo = async (url: string) => {
 function ValidatorNetworkInfo() {
   const validator = useAppSelector(selectValidatorNetworkState);
   const { net } = validator;
-  const url = netToURL(net);
 
   const [data, setData] = useState<ValidatorNetworkInfoResponse>({
     version: 'unknown',
@@ -73,10 +72,10 @@ function ValidatorNetworkInfo() {
   });
   useEffect(() => {
     // TODO: set a spinner while waiting for response
-    fetchValidatorNetworkInfo(url)
+    fetchValidatorNetworkInfo(net)
       .then((d) => setData(d))
       .catch(logger.info);
-  }, [validator, url]);
+  }, [validator, net]);
 
   // TODO: maybe show te version spread as a histogram and feature info ala
   // solana --url mainnet-beta feature status

src/renderer/wallet-adapter/electronAppStorage.ts

@@ -79,6 +79,7 @@ class ElectronAppStorageWalletProvider implements ElectronAppStorageWallet {
     transaction: sol.Transaction,
     options?: sol.SendOptions
   ): Promise<{ signature: sol.TransactionSignature }> => {
+    // TODO: test carefully to see if GetValidatorConnection(net) will work
     const connection = new sol.Connection(netToURL(globalNetworkSet.net));
 
     transaction.recentBlockhash = (