update types

Author: Alex Luu

packages/web3-types/src/json_rpc_types.ts

@@ -57,6 +57,7 @@ export interface JsonRpcNotification<T = JsonRpcResult> {
 	readonly params: SubscriptionParams<T>; // for subscription results
 	readonly result?: never;
 	readonly data?: never;
+	readonly error?: never;
 }
 
 export interface JsonRpcSubscriptionResult {
@@ -91,4 +92,5 @@ export type JsonRpcBatchResponse<Result = JsonRpcResult, Error = JsonRpcResult>
 export type JsonRpcResponse<Result = JsonRpcResult, Error = JsonRpcResult> =
 	| JsonRpcResponseWithError<Error>
 	| JsonRpcResponseWithResult<Result>
-	| JsonRpcBatchResponse<Result, Error>;
+	| JsonRpcBatchResponse<Result, Error>
+	| JsonRpcNotification<Result>;