From 2d7fd4a604fda33a6605a98e378a0f36d41a1b41 Mon Sep 17 00:00:00 2001
From: infloop <infloop.gm@gmail.com>
Date: Wed, 28 Aug 2024 20:34:48 +0300
Subject: [PATCH] feat: add more RPC events

---
 packages/execution/src/events/index.ts                     | 7 +++++++
 .../provider/simple-fallback-json-rpc-batch-provider.ts    | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/packages/execution/src/events/index.ts b/packages/execution/src/events/index.ts
index 505c1d9..ca57263 100644
--- a/packages/execution/src/events/index.ts
+++ b/packages/execution/src/events/index.ts
@@ -12,6 +12,12 @@ export type FallbackProviderRequestFailedAllEvent = {
   error: AllProvidersFailedError;
 };
 
+export type FallbackProviderRequestNonRetryableErrorEvent = {
+  action: 'fallback-provider:request:non-retryable-error';
+  provider: SimpleFallbackJsonRpcBatchProvider;
+  error: Error | unknown;
+};
+
 export type FallbackProviderRequestEvent = {
   action: 'fallback-provider:request';
   provider: SimpleFallbackJsonRpcBatchProvider;
@@ -52,4 +58,5 @@ export type ProviderEvents =
 export type FallbackProviderEvents =
   | ProviderEvents
   | FallbackProviderRequestEvent
+  | FallbackProviderRequestNonRetryableErrorEvent
   | FallbackProviderRequestFailedAllEvent;
diff --git a/packages/execution/src/provider/simple-fallback-json-rpc-batch-provider.ts b/packages/execution/src/provider/simple-fallback-json-rpc-batch-provider.ts
index 56eb4b3..12538a7 100644
--- a/packages/execution/src/provider/simple-fallback-json-rpc-batch-provider.ts
+++ b/packages/execution/src/provider/simple-fallback-json-rpc-batch-provider.ts
@@ -32,6 +32,7 @@ import {
   FallbackProviderEvents,
   FallbackProviderRequestEvent,
   FallbackProviderRequestFailedAllEvent,
+  FallbackProviderRequestNonRetryableErrorEvent,
 } from '../events';
 
 /**
@@ -298,6 +299,12 @@ export class SimpleFallbackJsonRpcBatchProvider extends BaseProvider {
 
         // checking that error should not be retried on another provider
         if (this.isNonRetryableError(e)) {
+          const event: FallbackProviderRequestNonRetryableErrorEvent = {
+            action: 'fallback-provider:request:non-retryable-error',
+            provider: this,
+            error: e,
+          };
+          this._eventEmitter.emit('rpc', event);
           throw e;
         }