runtime API: Substitute UncheckedExtrinsic with custom encoding (#1076)

* codegen: Add uncheckedExtrinsic substitute Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Add uncheckedExtrinsic replacement Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Test uncheckedExtrinsic encoding Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Apply clippy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Implement encode_to instead of encode for uncheckedExtrinsic Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Remove encode_as_fields from uncheckedExtrinsic Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * utils: Extend the UncheckedExtrinsic interface Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * utils: Use Static<Encoded> for uncheckedExtrinsic Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * utils: Remove extra impl on the uncheckedExtrinsic Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * utils: Add back the EncodeAsType Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * utils: Simplify the decode_as_type Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * utils: Use encode_as_type Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * utils: impl Decode for UncheckedExtrinsic Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update subxt/src/utils/unchecked_extrinsic.rs Co-authored-by: James Wilson <james@jsdw.me> * utils: Apply cargo fmt Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * utils: Check encoding / decoding of uncheckedExtrinsic Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * utils/tests: Use an already encoded tx bytes to start with Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> --------- Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> Co-authored-by: James Wilson <james@jsdw.me>
2026-04-22 21:58:00 +00:00 · 2023-07-21 13:34:34 +03:00
parent c2875de172
commit fd8f60c8a9
4 changed files with 203 additions and 2 deletions
@@ -3,6 +3,7 @@
 // see LICENSE for license details.

 use crate::{node_runtime, test_context};
+use codec::Encode;
 use subxt::utils::AccountId32;
 use subxt_signer::sr25519::dev;

@@ -47,3 +48,57 @@ async fn account_nonce() -> Result<(), subxt::Error> {

    Ok(())
 }
+
+#[tokio::test]
+async fn unchecked_extrinsic_encoding() -> Result<(), subxt::Error> {
+    let ctx = test_context().await;
+    let api = ctx.client();
+
+    let alice = dev::alice();
+    let bob = dev::bob();
+    let bob_address = bob.public_key().to_address();
+
+    // Construct a tx from Alice to Bob.
+    let tx = node_runtime::tx().balances().transfer(bob_address, 10_000);
+
+    let signed_extrinsic = api
+        .tx()
+        .create_signed(&tx, &alice, Default::default())
+        .await
+        .unwrap();
+
+    let tx_bytes = signed_extrinsic.into_encoded();
+    let len = tx_bytes.len() as u32;
+
+    // Manually encode the runtime API call arguments to make a raw call.
+    let mut encoded = tx_bytes.clone();
+    encoded.extend(len.encode());
+
+    let expected_result: node_runtime::runtime_types::pallet_transaction_payment::types::FeeDetails<
+        ::core::primitive::u128,
+    > = api
+        .runtime_api()
+        .at_latest()
+        .await?
+        .call_raw(
+            "TransactionPaymentApi_query_fee_details",
+            Some(encoded.as_ref()),
+        )
+        .await?;
+
+    // Use the generated API to confirm the result with the raw call.
+    let runtime_api_call = node_runtime::apis()
+        .transaction_payment_api()
+        .query_fee_details(tx_bytes.into(), len);
+
+    let result = api
+        .runtime_api()
+        .at_latest()
+        .await?
+        .call(runtime_api_call)
+        .await?;
+
+    assert_eq!(expected_result, result);
+
+    Ok(())
+}