Implement new API for sign_and_submit_then_watch

codegen/src/api/calls.rs

@@ -68,7 +68,7 @@ pub fn generate_calls(
                 pub fn #fn_name(
                     &self,
                     #( #call_fn_args, )*
-                ) -> ::subxt::SubmittableExtrinsic<T, #call_struct_name> {
+                ) -> ::subxt::SubmittableExtrinsic<'a, T, #call_struct_name> {
                     let call = #call_struct_name { #( #call_args, )* };
                     ::subxt::SubmittableExtrinsic::new(self.client, call)
                 }

codegen/src/ir.rs

@@ -72,6 +72,7 @@ impl ItemMod {
     }
 }
 
+#[allow(clippy::large_enum_variant)]
 #[derive(Debug, PartialEq, Eq)]
 pub enum Item {
     Rust(syn::Item),

examples/submit_and_watch.rs

@@ -42,14 +42,20 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         .build()
         .await?
         .to_runtime_api::<polkadot::RuntimeApi<polkadot::DefaultConfig>>();
-    let result = api
+
+    let balance_transfer = api
         .tx()
         .balances()
         .transfer(dest, 10_000)
         .sign_and_submit_then_watch(&signer)
+        .await?
+        .wait_for_finalized_success()
         .await?;
 
-    if let Some(event) = result.find_event::<polkadot::balances::events::Transfer>()? {
+    let transfer_event =
+        balance_transfer.find_first_event::<polkadot::balances::events::Transfer>()?;
+
+    if let Some(event) = transfer_event {
         println!("Balance transfer success: value: {:?}", event.2);
     } else {
         println!("Failed to find Balances::Transfer Event");