From 66dc3534b2899c31c23d4ddd80f877845d7d4497 Mon Sep 17 00:00:00 2001
From: Derrick Hammer <derrick@derrickhammer.com>
Date: Wed, 29 Mar 2023 05:31:54 -0400
Subject: [PATCH] *add blacklist of RPC methods to not cache

---
 src/client/rpc/rpc.ts |  6 ++++++
 src/index.ts          | 11 +++++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/client/rpc/rpc.ts b/src/client/rpc/rpc.ts
index f8e12a0..fbec543 100644
--- a/src/client/rpc/rpc.ts
+++ b/src/client/rpc/rpc.ts
@@ -137,6 +137,12 @@ export class RPC {
     return null;
   }
 
+  public deleteCachedRequest(request: RPCRequest): void {
+    const hash = this.hashRequest(request);
+
+    this.cache.del(hash);
+  }
+
   private hashRequest(request: RPCRequest): string {
     const tempRequest = {
       method: request.method,
diff --git a/src/index.ts b/src/index.ts
index 8b11804..f654ae0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -74,6 +74,14 @@ interface ConsensusBlockRequest {
 
 let client: Client;
 
+const RPC_NO_CACHE = [
+  "eth_call",
+  "eth_estimateGas",
+  "eth_sendRawTransaction",
+  "eth_getTransactionReceipt",
+  "eth_getTransactionCount",
+];
+
 const plugin: Plugin = {
   name: "eth",
   async plugin(api: PluginAPI): Promise<void> {
@@ -178,6 +186,9 @@ const plugin: Plugin = {
         }
         let ret = provider.rpc.getCachedRequest(request);
 
+        if (RPC_NO_CACHE.includes(request.method)) {
+          provider.rpc.deleteCachedRequest(request);
+        }
         // @ts-ignore
         return { ...ret, id: request.id ?? ret.id };
       },