fix: switch to --is-view so e2e tests will pass and no breaking changes

cmd/crates/soroban-test/tests/it/integration/hello_world.rs

@@ -1,3 +1,4 @@
+use predicates::boolean::PredicateBooleanExt;
 use soroban_cli::commands::{
     contract::{self, fetch},
     keys,
@@ -19,6 +20,15 @@ async fn invoke() {
     extend_contract(sandbox, id, HELLO_WORLD).await;
     // Note that all functions tested here have no state
     invoke_hello_world(sandbox, id);
+    sandbox
+    .new_assert_cmd("events")
+    .arg("--start-ledger=20")
+    .arg("--id")
+    .arg(id)
+    .assert()
+    .stdout(predicates::str::contains(id).not())
+    .success();
+    invoke_hello_world_with_lib(sandbox, id).await;
     sandbox
         .new_assert_cmd("events")
         .arg("--start-ledger=20")
@@ -27,8 +37,6 @@ async fn invoke() {
         .assert()
         .stdout(predicates::str::contains(id))
         .success();
-
-    invoke_hello_world_with_lib(sandbox, id).await;
     invoke_hello_world_with_lib_two(sandbox, id).await;
     invoke_auth(sandbox, id);
     invoke_auth_with_identity(sandbox, id).await;
@@ -48,7 +56,7 @@ fn invoke_hello_world(sandbox: &TestEnv, id: &str) {
     sandbox
         .new_assert_cmd("contract")
         .arg("invoke")
-        .arg("--sign")
+        .arg("--is-view")
         .arg("--id")
         .arg(id)
         .arg("--")

cmd/soroban-cli/src/commands/contract/invoke.rs

@@ -47,9 +47,9 @@ pub struct Cmd {
     /// Number of instructions to simulate
     #[arg(long)]
     pub instructions: Option<u32>,
-    /// Sign and submit transaction regardless of whether it's a view function  
+    /// Do not sign and submit transaction 
     #[arg(long, env = "SOROBAN_INVOKE_SIGN", env = "SYSTEM_TEST_VERBOSE_OUTPUT")]
-    pub sign: bool,
+    pub is_view: bool,
     /// Function name as subcommand, then arguments for that function as `--arg-name value`
     #[arg(last = true, id = "CONTRACT_FN_AND_ARGS")]
     pub slop: Vec<OsString>,
@@ -304,7 +304,7 @@ impl Cmd {
         if let Some(instructions) = self.instructions {
             txn = txn.set_max_instructions(instructions);
         }
-        let (return_value, events) = if txn.is_view() && !self.sign {
+        let (return_value, events) = if self.is_view {
             (
                 txn.sim_res().results()?[0].xdr.clone(),
                 txn.sim_res().events()?,

docs/soroban-cli-full-docs.md

@@ -879,7 +879,7 @@ soroban contract invoke ... -- --help
   Possible values: `true`, `false`
 
 * `--instructions <INSTRUCTIONS>` — Number of instructions to simulate
-* `--sign` — Sign and submit transaction regardless of whether it's a view function
+* `--is-view` — Do not sign and submit transaction
 
   Possible values: `true`, `false`