From 857aa8ccc30f25eda8e83dcac3e0ad2c1a5ce2b3 Mon Sep 17 00:00:00 2001
From: Richard Moore <github@ricmoo.com>
Date: Fri, 23 Jun 2023 00:33:43 -0400
Subject: [PATCH] Prevent CCIP-read flags being passed to EtherscanProvider
 (#4043)

---
 src.ts/providers/provider-etherscan.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src.ts/providers/provider-etherscan.ts b/src.ts/providers/provider-etherscan.ts
index 2d58f964cb..9b28c7aa0c 100644
--- a/src.ts/providers/provider-etherscan.ts
+++ b/src.ts/providers/provider-etherscan.ts
@@ -96,6 +96,8 @@ export class EtherscanPlugin extends NetworkPlugin {
     }
 }
 
+const skipKeys = [ "enableCcipRead" ];
+
 let nextId = 1;
 
 /**
@@ -308,6 +310,8 @@ export class EtherscanProvider extends AbstractProvider {
     _getTransactionPostData(transaction: TransactionRequest): Record<string, string> {
         const result: Record<string, string> = { };
         for (let key in transaction) {
+            if (skipKeys.indexOf(key) >= 0) { continue; }
+
             if ((<any>transaction)[key] == null) { continue; }
             let value = (<any>transaction)[key];
             if (key === "type" && value === 0) { continue; }