Print max fee conversion info when using v3 txs

crates/sncast/src/helpers/fee.rs

@@ -83,6 +83,9 @@ impl FeeArgs {
                 })
             }
             FeeToken::Strk => {
+                if self.max_fee.is_some() {
+                    print_max_fee_conversion_info();
+                }
                 let settings = match (self.max_fee, self.max_gas, self.max_gas_unit_price) {
                     (Some(_), Some(_), Some(_)) => {
                         bail!("Passing all --max-fee, --max-gas and --max-gas-unit-price is conflicting. Please pass only two of them or less")
@@ -273,6 +276,10 @@ fn parse_fee_token(s: &str) -> Result<FeeToken, String> {
     Ok(parsed_token)
 }
 
+fn print_max_fee_conversion_info() {
+    println!("Specifying '--max-fee' flag while using v3 transactions results in conversion to '--max-gas' and '--max-gas-unit-price' flags\n");
+}
+
 fn parse_non_zero_felt(s: &str) -> Result<NonZeroFelt, String> {
     let felt: Felt = s.parse().map_err(|_| "Failed to parse value")?;
     felt.try_into()

crates/sncast/tests/e2e/account/deploy.rs

@@ -463,6 +463,8 @@ pub async fn test_valid_class_hash() {
     let snapbox = runner(&args).current_dir(tempdir.path());
 
     snapbox.assert().success().stdout_matches(indoc! {r"
+        Specifying '--max-fee' flag while using v3 transactions results in conversion to '--max-gas' and '--max-gas-unit-price' flags
+
         command: account deploy
         transaction_hash: [..]
 
@@ -584,6 +586,8 @@ pub async fn test_happy_case_keystore(account_type: &str) {
     let snapbox = runner(&args).current_dir(tempdir.path());
 
     snapbox.assert().stdout_matches(indoc! {r"
+        Specifying '--max-fee' flag while using v3 transactions results in conversion to '--max-gas' and '--max-gas-unit-price' flags
+
         command: account deploy
         transaction_hash: 0x0[..]
 
@@ -857,6 +861,8 @@ pub async fn test_deploy_keystore_other_args() {
 
     let snapbox = runner(&args).current_dir(tempdir.path());
     snapbox.assert().stdout_matches(indoc! {r"
+        Specifying '--max-fee' flag while using v3 transactions results in conversion to '--max-gas' and '--max-gas-unit-price' flags
+
         command: account deploy
         transaction_hash: 0x0[..]
 

crates/sncast/tests/e2e/invoke.rs

@@ -128,11 +128,13 @@ async fn test_happy_case_strk(class_hash: Felt, account_type: AccountType) {
     ];
 
     let snapbox = runner(&args).current_dir(tempdir.path());
-    let output = snapbox.assert().success().get_output().stdout.clone();
+    let output = snapbox.assert().success();
+    let stdout = output.get_output().stdout.clone();
 
-    let hash = get_transaction_hash(&output);
+    let hash = get_transaction_hash(&stdout);
     let receipt = get_transaction_receipt(hash).await;
 
+    assert_stdout_contains(output, "Specifying '--max-fee' flag while using v3 transactions results in conversion to '--max-gas' and '--max-gas-unit-price' flags");
     assert!(matches!(receipt, Invoke(_)));
 }