fix: Convert vendor/pezkuwi-subxt from submodule to regular directory

vendor/pezkuwi-subxt/subxt/examples/tx_boxed.rs

@@ -0,0 +1,43 @@
+#![allow(missing_docs)]
+use subxt::{OnlineClient, PolkadotConfig};
+use pezkuwi_subxt_signer::sr25519::dev;
+
+#[subxt::subxt(runtime_metadata_path = "../artifacts/polkadot_metadata_small.scale")]
+pub mod polkadot {}
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let api = OnlineClient::<PolkadotConfig>::new().await?;
+
+    // Prepare some extrinsics. These are boxed so that they can live alongside each other.
+    let txs = [dynamic_remark(), balance_transfer(), remark()];
+
+    for tx in txs {
+        let from = dev::alice();
+        api.tx()
+            .sign_and_submit_then_watch_default(&tx, &from)
+            .await?
+            .wait_for_finalized_success()
+            .await?;
+
+        println!("Submitted tx");
+    }
+
+    Ok(())
+}
+
+fn balance_transfer() -> Box<dyn subxt::tx::Payload> {
+    let dest = dev::bob().public_key().into();
+    Box::new(polkadot::tx().balances().transfer_allow_death(dest, 10_000))
+}
+
+fn remark() -> Box<dyn subxt::tx::Payload> {
+    Box::new(polkadot::tx().system().remark(vec![1, 2, 3, 4, 5]))
+}
+
+fn dynamic_remark() -> Box<dyn subxt::tx::Payload> {
+    use subxt::dynamic::{Value, tx};
+    let tx_payload = tx("System", "remark", vec![Value::from_bytes("Hello")]);
+
+    Box::new(tx_payload)
+}