Reference key storage api (#447)

* codegen: Update polkadot.rs polkadot commit-hash: d96d3bea85 polkadot tag: v0.9.16-rc2 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Reference key storage api Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Regenerate polkadot.rs with reference api Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * tests: Update tests with reference interface Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Fix polkadot.rs license check Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Update polkadot.rs with copyright Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Revert "codegen: Update polkadot.rs with copyright" This reverts commit 2970d0573dc0b11d01072b270a525ad497992ddf. Revert "cli: Fix polkadot.rs license check" This reverts commit 6fe8818582ae39669c059c1ed0424b6606620295. * codegen: Implement AccountData trait in the expected order Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Store implementation of StorageEntry Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Generate AccountDefaultData wrapper struct Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Allow `Account` references Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Update polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Utilize AccountDefaultData instead of Account Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Update polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * tests: Update tests to utilize `Account` reference Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Rename AccountDefaultData to AccountOwned Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Add comments for wrapper account Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Obtain vector type parameter for TypePath::Type Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Use slices instead of `& std::vec` in storage API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Update polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Fix documentation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * tests: Remove extra reference Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Add staking example to exercise storage API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Update polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * tests: Update storage tests Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Fix cargo clippy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Simplify vec_type_param Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Rename staking_details.rs to fetch_staking_details.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * tests: Remove dummy variable Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Update polkadot version Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Apply rust-fmt Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Regenerate polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Remove comment Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
2026-04-30 14:17:56 +00:00 · 2022-03-02 17:13:43 +02:00
parent 11f24d78f7
commit 08369f3e43
10 changed files with 1246 additions and 916 deletions
@@ -0,0 +1,82 @@
+// 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 0.9.13-d96d3bea85-aarch64-macos.
+//!
+//! E.g.
+//! ```bash
+//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
+//! polkadot --dev --tmp
+//! ```
+
+use sp_keyring::AccountKeyring;
+use subxt::{
+    sp_core::{
+        sr25519,
+        Pair,
+    },
+    sp_runtime::AccountId32,
+    ClientBuilder,
+    DefaultConfig,
+    DefaultExtra,
+};
+
+#[subxt::subxt(runtime_metadata_path = "examples/polkadot_metadata.scale")]
+pub mod polkadot {}
+
+#[async_std::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, DefaultExtra<DefaultConfig>>>();
+
+    let era = api.storage().staking().active_era(None).await?.unwrap();
+    println!(
+        "Staking active era: index: {:?}, start: {:?}",
+        era.index, era.start
+    );
+
+    let alice_id = AccountKeyring::Alice.to_account_id();
+    println!("  Alice account id:        {:?}", alice_id);
+
+    // Get Alice' Stash account ID
+    let alice_stash_id: AccountId32 = sr25519::Pair::from_string("//Alice//stash", None)
+        .expect("Could not obtain stash signer pair")
+        .public()
+        .into();
+    println!("  Alice//stash account id: {:?}", alice_stash_id);
+
+    // Map from all locked "stash" accounts to the controller account.
+    let controller_acc = api
+        .storage()
+        .staking()
+        .bonded(&alice_stash_id, None)
+        .await?
+        .unwrap();
+    println!("    account controlled by: {:?}", controller_acc);
+
+    let era_result = api
+        .storage()
+        .staking()
+        .eras_reward_points(&era.index, None)
+        .await?;
+    println!("Era reward points: {:?}", era_result);
+
+    Ok(())
+}