[pallet-revive] fix subxt submit & add debug statments (#10016)

- Fix subxt submit by default it's using
`author_submitAndWatchExtrinsic` even though we just want to fire and
forget
- Add debug instructions to log the signer & nonce of new eth
transactions when the node validate the transaction

---------

Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: pgherveou

prdoc/pr_10016.prdoc

@@ -0,0 +1,11 @@
+title: '[pallet-revive] fix subxt submit & add debug statments'
+doc:
+- audience: Runtime Dev
+  description: |-
+    - Fix subxt submit by default it's using `author_submitAndWatchExtrinsic` even though we just want to fire and forget
+    - Add debug instructions to log the signer & nonce of new eth transactions when the node validate the transaction
+crates:
+- name: pallet-revive-eth-rpc
+  bump: patch
+- name: pallet-revive
+  bump: patch

substrate/frame/revive/rpc/src/client.rs

@@ -430,10 +430,14 @@ impl Client {
 	pub async fn submit(
 		&self,
 		call: subxt::tx::DefaultPayload<EthTransact>,
-	) -> Result<H256, ClientError> {
+	) -> Result<(), ClientError> {
 		let ext = self.api.tx().create_unsigned(&call).map_err(ClientError::from)?;
-		let hash = ext.submit().await?;
-		Ok(hash)
+		let hash: H256 = self
+			.rpc_client
+			.request("author_submitExtrinsic", rpc_params![to_hex(ext.encoded())])
+			.await?;
+		log::debug!(target: LOG_TARGET, "Submitted transaction with substrate hash: {hash:?}");
+		Ok(())
 	}
 
 	/// Get an EVM transaction receipt by hash.
@@ -749,3 +753,7 @@ impl Client {
 		get_automine(&self.rpc_client).await
 	}
 }
+
+fn to_hex(bytes: impl AsRef<[u8]>) -> String {
+	format!("0x{}", hex::encode(bytes.as_ref()))
+}

substrate/frame/revive/rpc/src/lib.rs

@@ -175,6 +175,8 @@ impl EthRpcServer for EthRpcServerImpl {
 			err
 		})?;
 
+		log::debug!(target: LOG_TARGET, "send_raw_transaction with hash: {hash:?}");
+
 		// Wait for the transaction to be included in a block if automine is enabled
 		if let Some(mut receiver) = receiver {
 			if let Err(err) = tokio::time::timeout(Duration::from_millis(500), async {

substrate/frame/revive/src/evm/runtime.rs

@@ -299,6 +299,8 @@ pub trait EthExtra {
 			log::debug!(target: LOG_TARGET, "Failed to convert nonce");
 			InvalidTransaction::Call
 		})?;
+
+		log::debug!(target: LOG_TARGET, "Decoded Ethereum transaction with signer: {signer_addr:?} nonce: {nonce:?}");
 		let call_info = create_call::<Self::Config>(tx, Some(encoded_len as u32))?;
 		let storage_credit = <Self::Config as Config>::Currency::withdraw(
 					&signer,