Implement read-only provider

projects/sdk/src/lib/BeanstalkSDK.ts

@@ -22,6 +22,7 @@ export type Provider = ethers.providers.JsonRpcProvider;
 export type Signer = ethers.Signer;
 export type BeanstalkConfig = Partial<{
   provider: Provider;
+  readProvider?: Provider;
   signer: Signer;
   rpcUrl: string;
   subgraphUrl: string;
@@ -41,6 +42,7 @@ export class BeanstalkSDK {
   public DEBUG: boolean;
   public signer?: Signer;
   public provider: Provider;
+  public readProvider?: Provider;
   public providerOrSigner: Signer | Provider;
   public source: DataSource;
   public subgraphUrl: string;
@@ -116,6 +118,7 @@ export class BeanstalkSDK {
     } else {
       this.provider = (config.signer?.provider as Provider) ?? config.provider!;
     }
+    this.readProvider = config.readProvider;
     this.providerOrSigner = config.signer ?? config.provider!;
 
     this.DEBUG = config.DEBUG ?? false;

projects/sdk/src/lib/contracts.ts

@@ -29,7 +29,7 @@ import {
   Math,
   Math__factory,
   UsdOracle,
-  UsdOracle__factory,
+  UsdOracle__factory
 } from "src/constants/generated";
 import { BaseContract } from "ethers";
 
@@ -53,6 +53,7 @@ export class Contracts {
   static sdk: BeanstalkSDK;
 
   public readonly beanstalk: Beanstalk;
+  public readonly beanstalkRead: Beanstalk;
   public readonly beanstalkPrice: BeanstalkPrice;
   public readonly fertilizer: BeanstalkFertilizer;
 
@@ -90,6 +91,7 @@ export class Contracts {
 
     // Instances
     this.beanstalk = Beanstalk__factory.connect(beanstalkAddress, sdk.providerOrSigner);
+    this.beanstalkRead = Beanstalk__factory.connect(beanstalkAddress, sdk.readProvider ?? sdk.providerOrSigner);
     this.beanstalkPrice = BeanstalkPrice__factory.connect(beanstalkPriceAddress, sdk.providerOrSigner);
     this.fertilizer = BeanstalkFertilizer__factory.connect(beanstalkFertilizerAddress, sdk.providerOrSigner);
 

projects/sdk/src/lib/events/EventManager.ts

@@ -62,18 +62,18 @@ export class EventManager {
     const toBlock = opts.toBlock ?? "latest";
 
     return Promise.all([
-      this.sdk.contracts.beanstalk.queryFilter(
-        this.sdk.contracts.beanstalk.filters.AddDeposit(account, opts.token?.address),
+      this.sdk.contracts.beanstalkRead.queryFilter(
+        this.sdk.contracts.beanstalkRead.filters.AddDeposit(account, opts.token?.address),
         fromBlock,
         toBlock
       ),
-      this.sdk.contracts.beanstalk.queryFilter(
-        this.sdk.contracts.beanstalk.filters.RemoveDeposit(account, opts.token?.address),
+      this.sdk.contracts.beanstalkRead.queryFilter(
+        this.sdk.contracts.beanstalkRead.filters.RemoveDeposit(account, opts.token?.address),
         fromBlock,
         toBlock
       ),
-      this.sdk.contracts.beanstalk.queryFilter(
-        this.sdk.contracts.beanstalk.filters.RemoveDeposits(account, opts.token?.address),
+      this.sdk.contracts.beanstalkRead.queryFilter(
+        this.sdk.contracts.beanstalkRead.filters.RemoveDeposits(account, opts.token?.address),
         fromBlock,
         toBlock
       )
@@ -87,19 +87,19 @@ export class EventManager {
     const toBlock = opts.toBlock ?? "latest";
 
     return Promise.all([
-      this.sdk.contracts.beanstalk.queryFilter(
-        this.sdk.contracts.beanstalk.filters["Sow(address,uint256,uint256,uint256)"](account),
+      this.sdk.contracts.beanstalkRead.queryFilter(
+        this.sdk.contracts.beanstalkRead.filters["Sow(address,uint256,uint256,uint256)"](account),
         fromBlock,
         toBlock
       ),
-      this.sdk.contracts.beanstalk.queryFilter(this.sdk.contracts.beanstalk.filters.Harvest(account), fromBlock, toBlock),
-      this.sdk.contracts.beanstalk.queryFilter(
-        this.sdk.contracts.beanstalk.filters.PlotTransfer(account, null), // from
+      this.sdk.contracts.beanstalkRead.queryFilter(this.sdk.contracts.beanstalkRead.filters.Harvest(account), fromBlock, toBlock),
+      this.sdk.contracts.beanstalkRead.queryFilter(
+        this.sdk.contracts.beanstalkRead.filters.PlotTransfer(account, null), // from
         fromBlock,
         toBlock
       ),
-      this.sdk.contracts.beanstalk.queryFilter(
-        this.sdk.contracts.beanstalk.filters.PlotTransfer(null, account), // to
+      this.sdk.contracts.beanstalkRead.queryFilter(
+        this.sdk.contracts.beanstalkRead.filters.PlotTransfer(null, account), // to
         fromBlock,
         toBlock
       )

projects/ui/src/components/App/SdkProvider.tsx

@@ -54,6 +54,7 @@ const useBeanstalkSdkContext = () => {
 
     const _sdk = new BeanstalkSDK({
       provider: provider as any,
+      readProvider: provider as any,
       signer: signer ?? undefined,
       source: datasource,
       DEBUG: IS_DEVELOPMENT_ENV,

projects/ui/src/graph/client.ts

@@ -65,31 +65,6 @@ const mergeUsingSeasons: (keyArgs: string[]) => FieldPolicy = (keyArgs) => ({
         existing.length - 1 // clamp to last index
       );
 
-      console.debug('[apollo/client/read@seasons] READ:');
-      console.debug(
-        `| left:  index = ${left}, season = ${readField(
-          'season',
-          existing[left]
-        )}`
-      );
-      console.debug(
-        `| right: index = ${right}, season = ${readField(
-          'season',
-          existing[right]
-        )}`
-      );
-      console.debug(`| existing.length = ${existing.length}`);
-      console.debug(
-        `| existing[0] = ${readField('season', existing[0])}`,
-        existing
-      );
-      console.debug(
-        `| existing[${existing.length - 1}] = ${readField(
-          'season',
-          existing[existing.length - 1]
-        )}`
-      );
-
       // If one of the endpoints is missing, force refresh
       if (!existing[left] || !existing[right]) return;