Merge pull request #548 from oceanprotocol/feature/use_static_rpc_pro…

…vider

use static rpc provider

src/utils/blockchain.ts

@@ -34,7 +34,10 @@ export class Blockchain {
       this.knownRPCs.push(...fallbackRPCs)
     }
     this.network = new ethers.Network(chainName, chainId)
-    this.provider = new ethers.JsonRpcProvider(rpc, this.network)
+    // this.provider = new ethers.JsonRpcProvider(rpc, this.network)
+    this.provider = new ethers.JsonRpcProvider(rpc, null, {
+      staticNetwork: ethers.Network.from(chainId)
+    })
     this.registerForNetworkEvents()
     // always use this signer, not simply provider.getSigner(0) for instance (as we do on many tests)
     this.signer = new ethers.Wallet(process.env.PRIVATE_KEY, this.provider)
@@ -53,7 +56,7 @@ export class Blockchain {
   }
 
   public async isNetworkReady(): Promise<ConnectionStatus> {
-    if (this.networkAvailable || this.provider.ready) {
+    if (this.networkAvailable && this.provider.ready) {
       return { ready: true }
     }
     return await this.detectNetwork()
@@ -70,11 +73,12 @@ export class Blockchain {
         CORE_LOGGER.error(`Unable to detect provider network: (TIMEOUT)`)
         resolve({ ready: false, error: 'TIMEOUT' })
       }, 3000)
+
       this.provider
-        ._detectNetwork()
-        .then((network) => {
+        .getBlock('latest')
+        .then((block) => {
           clearTimeout(timeout)
-          resolve({ ready: network instanceof Network })
+          resolve({ ready: block.hash !== null })
         })
         .catch((err) => {
           CORE_LOGGER.error(`Unable to detect provider network: ${err.message}`)