[handle-429-error] improves

src/StakeWiseSDK.ts

@@ -17,10 +17,7 @@ class StakeWiseSDK {
   constructor(options: StakeWise.Options) {
     const config = configs[options.network]
 
-    const provider = options.provider || createProvider({
-      urls: options.endpoints?.web3 || '',
-      network: options.network,
-    })
+    const provider = options.provider || createProvider(options)
 
     const contracts = createContracts({ provider, config })
 

src/contracts/vaultMulticall.ts

@@ -35,10 +35,7 @@ const vaultMulticall = async <T extends unknown>(values: VaultMulticallInput): P
   const withSigner = !callStatic && !transactionData
 
   if (withSigner) {
-    const library = options.provider || createProvider({
-      urls: options.endpoints?.web3 || '',
-      network: options.network,
-    })
+    const library = options.provider || createProvider(options)
 
     const signer = options.provider
       ? await options.provider.getSigner(userAddress)

src/utils/apiUrls.ts

@@ -1,11 +1,13 @@
 import configs from './configs'
 
 
+const getWeb3Url = (options: StakeWise.Options) => options.endpoints?.web3 || configs[options.network].network.url
 const getBackendUrl = (options: StakeWise.Options) => options.endpoints?.api || configs[options.network].api.backend
 const getSubgraphqlUrl = (options: StakeWise.Options) => options.endpoints?.subgraph || configs[options.network].api.subgraph
 
 
 export default {
+  getWeb3Url,
   getBackendUrl,
   getSubgraphqlUrl,
 }

src/utils/createProvider.ts

@@ -1,20 +1,12 @@
 import { JsonRpcProvider, FallbackProvider, FetchRequest, FetchResponse } from 'ethers'
 
-import configs from './configs'
-import { Network } from './enums'
+import apiUrls from './apiUrls'
 
 
-type Input = {
-  urls: string | string[]
-  network: Network
-}
-
-const createProvider = (values: Input) => {
-  const { urls, network } = values
+const createProvider = (options: StakeWise.Options) => {
+  const { network } = options
 
-  if (!urls) {
-    return new JsonRpcProvider(configs[network].network.url)
-  }
+  const urls = apiUrls.getWeb3Url(options)
 
   if (Array.isArray(urls)) {
     if (urls.length === 1) {
@@ -29,7 +21,7 @@ const createProvider = (values: Input) => {
         const fetchRequest = new FetchRequest(url)
 
         fetchRequest.setThrottleParams({
-          slotInterval: 500,
+          slotInterval: 2 * 1000,
           maxAttempts: 2,
         })