fix: broken unit-test due to the serde(rename_all = "camelCase") attribute of type ethereum::AccessListItem has been deleted

refer to this commit: rust-ethereum/ethereum@b160820#diff-2a6a2a5c32456901be5ffa0e2d0354f2d48d96a89e486270ae62808c34b6e96f

Author: 0xbillw

client/rpc-core/src/types/transaction_request.rs

@@ -53,6 +53,7 @@ pub struct TransactionRequest {
 	pub data: Data,
 
 	/// EIP-2930 access list
+	#[serde(with = "access_list_item_camelcase")]
 	pub access_list: Option<Vec<AccessListItem>>,
 	/// Chain ID that this transaction is valid on
 	pub chain_id: Option<U64>,
@@ -62,6 +63,36 @@ pub struct TransactionRequest {
 	pub transaction_type: Option<U256>,
 }
 
+mod access_list_item_camelcase {
+	use ethereum::AccessListItem;
+	use ethereum_types::{Address, H256};
+	use serde::{Deserialize, Deserializer};
+
+	#[derive(Deserialize)]
+	struct AccessListItemDef {
+		address: Address,
+		#[serde(rename = "storageKeys")]
+		storage_keys: Vec<H256>,
+	}
+
+	pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<Vec<AccessListItem>>, D::Error>
+	where
+		D: Deserializer<'de>,
+	{
+		let access_item_defs_opt: Option<Vec<AccessListItemDef>> =
+			Option::deserialize(deserializer)?;
+		Ok(access_item_defs_opt.map(|access_item_defs| {
+			access_item_defs
+				.into_iter()
+				.map(|access_item_def| AccessListItem {
+					address: access_item_def.address,
+					storage_keys: access_item_def.storage_keys,
+				})
+				.collect()
+		}))
+	}
+}
+
 impl TransactionRequest {
 	// We accept "data" and "input" for backwards-compatibility reasons.
 	// "input" is the newer name and should be preferred by clients.