From 4a13cb193aa9a6e7c2e431ebfdcf409942abbd7e Mon Sep 17 00:00:00 2001
From: Lu Zhang <8418040+longbowlu@users.noreply.github.com>
Date: Mon, 21 Oct 2024 10:49:37 -0700
Subject: [PATCH] allow dry run for eth claim (#19937)

## Description

as title

## Test plan

How did you test the new or updated feature?

---

## Release notes

Check each box that your changes affect. If none of the boxes relate to
your changes, release notes aren't required.

For each box you select, include information after the relevant heading
that describes the impact of your changes that a user might notice and
any actions they must take to implement updates.

- [ ] Protocol:
- [ ] Nodes (Validators and Full nodes):
- [ ] Indexer:
- [ ] JSON-RPC:
- [ ] GraphQL:
- [ ] CLI:
- [ ] Rust SDK:
- [ ] REST API:
---
 crates/sui-bridge-cli/src/lib.rs | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/crates/sui-bridge-cli/src/lib.rs b/crates/sui-bridge-cli/src/lib.rs
index eacd3ca431f2c..dfbc095f8e805 100644
--- a/crates/sui-bridge-cli/src/lib.rs
+++ b/crates/sui-bridge-cli/src/lib.rs
@@ -540,6 +540,8 @@ pub enum BridgeClientCommands {
     ClaimOnEth {
         #[clap(long)]
         seq_num: u64,
+        #[clap(long, default_value_t = true, action = clap::ArgAction::Set)]
+        dry_run: bool,
     },
 }
 
@@ -575,8 +577,8 @@ impl BridgeClientCommands {
                 );
                 Ok(())
             }
-            BridgeClientCommands::ClaimOnEth { seq_num } => {
-                claim_on_eth(seq_num, config, sui_bridge_client)
+            BridgeClientCommands::ClaimOnEth { seq_num, dry_run } => {
+                claim_on_eth(seq_num, config, sui_bridge_client, dry_run)
                     .await
                     .map_err(|e| anyhow!("{:?}", e))
             }
@@ -680,6 +682,7 @@ async fn claim_on_eth(
     seq_num: u64,
     config: &LoadedBridgeCliConfig,
     sui_bridge_client: SuiBridgeClient,
+    dry_run: bool,
 ) -> BridgeResult<()> {
     let sui_chain_id = sui_bridge_client.get_bridge_summary().await?.chain_id;
     let parsed_message = sui_bridge_client
@@ -709,8 +712,20 @@ async fn claim_on_eth(
     );
     let message = eth_sui_bridge::Message::from(parsed_message);
     let tx = eth_sui_bridge.transfer_bridged_tokens_with_signatures(signatures, message);
-    let _eth_claim_tx_receipt = tx.send().await.unwrap().await.unwrap().unwrap();
-    info!("Sui to Eth bridge transfer claimed");
+    if dry_run {
+        let tx = tx.tx;
+        let resp = config.eth_signer.estimate_gas(&tx, None).await;
+        println!(
+            "Sui to Eth bridge transfer claim dry run result: {:?}",
+            resp
+        );
+    } else {
+        let eth_claim_tx_receipt = tx.send().await.unwrap().await.unwrap().unwrap();
+        println!(
+            "Sui to Eth bridge transfer claimed: {:?}",
+            eth_claim_tx_receipt
+        );
+    }
     Ok(())
 }