max fee per gas config

check/src/deploy.rs

@@ -197,10 +197,12 @@ impl DeployConfig {
         gas: Option<U256>,
         client: &SignerClient,
     ) -> Result<TransactionReceipt> {
-        let mut tx = TypedTransaction::Eip1559(tx);
-        if let Some(gas) = gas {
-            tx.set_gas(gas);
+        let mut tx = tx;
+        tx.gas = gas;
+        if let Some(max_fee) = self.max_fee_per_gas_gwei {
+            tx.max_fee_per_gas = Some(gwei_to_wei(max_fee)?);
         }
+        let tx = TypedTransaction::Eip1559(tx);
 
         let tx = client.send_transaction(tx, None).await?;
         let tx_hash = tx.tx_hash();
@@ -230,3 +232,11 @@ fn format_gas(gas: U256) -> String {
         text.pink()
     }
 }
+
+fn gwei_to_wei(gwei: U256) -> Result<U256> {
+    let wei_per_gwei: U256 = U256::from(10u64.pow(9));
+    match gwei.checked_mul(wei_per_gwei) {
+        Some(wei) => Ok(wei),
+        None => bail!("overflow occurred while converting gwei to wei"),
+    }
+}

check/src/main.rs

@@ -2,7 +2,7 @@
 // For licensing, see https://github.com/OffchainLabs/cargo-stylus/blob/main/licenses/COPYRIGHT.md
 
 use clap::{ArgGroup, Args, Parser};
-use ethers::types::H160;
+use ethers::types::{H160, U256};
 use eyre::{eyre, Context, Result};
 use std::path::PathBuf;
 use tokio::runtime::Builder;
@@ -83,6 +83,9 @@ struct DeployConfig {
     /// Only perform gas estimation.
     #[arg(long)]
     estimate_gas: bool,
+    #[arg(long)]
+    /// Optional max fee per gas in gwei units.
+    max_fee_per_gas_gwei: Option<U256>,
 }
 
 #[derive(Clone, Debug, Args)]