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Subscribe to Runtime upgrades for proper extrinsic construction (#513)

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* subxt: Add subscription to runtime upgrades

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Synchronize and expose inner `RuntimeVersion` of the `Client`

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* examples: Add runtime update example

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Expose `RuntimeVersion` as locked

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Expose `Metadata` as locked

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt/storage: Use locked metadata

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Use parking lot RwLock variant for locked metadata

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Utilize locked metadata variant

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt/transaction: Use locked metadata variant

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Update subxt to use locked version of the Metadata

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Add runtime update client wrapper

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* examples: Modify runtime update example

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Fix clippy

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Fix cargo check

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* codegen: Keep consistency with cargo check fix

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Remove unnecessary Arc

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Remove MetadataInner and use parking_lot::RwLock

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Update polkadot.rs

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Update polkadot.rs generation comment

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Switch to async::Mutex

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Block executor while decoding dynamic events

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* codegen: Use async API to handle async locking

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Remove unused dependencies

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Update examples and integration-tests

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Fix test deadlock

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Revert back to sync lock

Revert "Fix test deadlock"

This reverts commit 4a79933df23e81573611cb14be6c5b5b2b56d4df.

Revert "Update examples and integration-tests"

This reverts commit 5423f6eb4131582909d5a4ca70adff75e27cdd0e.

Revert "Remove unused dependencies"

This reverts commit e8ecbabb5b01a7ba4ae83b8bde36295a3f64daf7.

Revert "codegen: Use async API to handle async locking"

This reverts commit ced4646541c431adcb973369b1061b7b3cbfaae1.

Revert "subxt: Block executor while decoding dynamic events"

This reverts commit 8b3ba4a5eabb29f77ac1ca671450956fc479a33d.

Revert "subxt: Switch to async::Mutex"

This reverts commit f5bde9b79394a6bf61b6b9daefc36ceaa84b82be.

* subxt: Perform RuntimeVersion update before fetching metadata

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Reintroduce MetadataInner

* Use parking lot instead of std::RwLock

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt: Reduce lock metadata time when decoding events

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* codegen: Update `validate_metdata` locking pattern

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* subxt/examples: Update polkadot download link

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* tests: Wrap metadata in a helper function

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Update examples/examples/subscribe_runtime_updates.rs

Co-authored-by: James Wilson <james@jsdw.me>

* subxt/updates: Update runtime if version is different

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

Co-authored-by: James Wilson <james@jsdw.me>
This commit is contained in:
Alexandru Vasile
2022-05-11 14:44:43 +03:00
committed by GitHub
parent 199cfa744b
commit 115073a33d
30 changed files with 6444 additions and 3369 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/examples/balance_transfer.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/balance_transfer_with_params.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/custom_config.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/fetch_all_accounts.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/fetch_staking_details.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/metadata_compatibility.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/rpc_call.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/submit_and_watch.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/subscribe_all_events.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/subscribe_one_event.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
examples/examples/subscribe_runtime_updates.rs
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@@ -0,0 +1,80 @@
// Copyright 2019-2022 Parity Technologies (UK) Ltd.
// This file is part of subxt.
//
// subxt is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// subxt is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with subxt. If not, see <http://www.gnu.org/licenses/>.
//! To run this example, a local polkadot node should be running. Example verified against polkadot 0.9.18-f6d6ab005d-aarch64-macos.
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```
use sp_keyring::AccountKeyring;
use std::time::Duration;
use subxt::{
ClientBuilder,
DefaultConfig,
PairSigner,
PolkadotExtrinsicParams,
};
#[subxt::subxt(runtime_metadata_path = "../artifacts/polkadot_metadata.scale")]
pub mod polkadot {}
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
env_logger::init();
let api = ClientBuilder::new()
.build()
.await?
.to_runtime_api::<polkadot::RuntimeApi<DefaultConfig, PolkadotExtrinsicParams<DefaultConfig>>>();
// Start a new tokio task to perform the runtime updates while
// utilizing the API for other use cases.
let update_client = api.client.updates();
tokio::spawn(async move {
let result = update_client.perform_runtime_updates().await;
println!("Runtime update failed with result={:?}", result);
});
// Make multiple transfers to simulate a long running `subxt::Client` use-case.
//
// Meanwhile, the tokio task above will perform any necessary updates to keep in sync
// with the node we've connected to. Transactions submitted in the vicinity of a runtime
// update may still fail, however, owing to a race between the update happening and
// subxt synchronising its internal state with it.
let signer = PairSigner::new(AccountKeyring::Alice.pair());
// Make small balance transfers from Alice to Bob:
for _ in 0..10 {
let hash = api
.tx()
.balances()
.transfer(
AccountKeyring::Bob.to_account_id().into(),
123_456_789_012_345,
)
.unwrap()
.sign_and_submit_default(&signer)
.await
.unwrap();
println!("Balance transfer extrinsic submitted: {}", hash);
tokio::time::sleep(Duration::from_secs(30)).await;
}
Ok(())
}
examples/examples/subscribe_some_events.rs
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@@ -18,7 +18,7 @@
//!
//! E.g.
//! ```bash
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.18/polkadot" --output /usr/local/bin/polkadot --location
//! polkadot --dev --tmp
//! ```