Files
pezkuwi-subxt/subxt/examples/storage_fetch_dynamic.rs
pezkuwichain 7af0bcd262 Complete rebrand: Polkadot→Pezkuwi, Substrate→Bizinikiwi
- Replace PolkadotConfig with PezkuwiConfig
- Replace SubstrateConfig with BizinikiwConfig
- Rename config module files (polkadot.rs→pezkuwi.rs, substrate.rs→bizinikiwi.rs)
- Update all documentation and examples
- All 165 files updated, cargo check passes
2025-12-21 21:42:34 +03:00

30 lines
1.2 KiB
Rust

#![allow(missing_docs)]
use pezkuwi_subxt_signer::sr25519::dev;
use pezkuwi_subxt::{
OnlineClient, PezkuwiConfig,
dynamic::{At, Value},
utils::AccountId32,
};
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Create a new API client, configured to talk to Pezkuwi nodes.
let api = OnlineClient::<PezkuwiConfig>::new().await?;
// Build a dynamic storage query to access account information.
// here, we assume that there is one value to provide at this entry
// to access a value; an AccountId32. In this example we don't know the
// return type and so we set it to `Value`, which anything can decode into.
let account: AccountId32 = dev::alice().public_key().into();
let storage_query = pezkuwi_subxt::dynamic::storage::<(AccountId32,), Value>("System", "Account");
// Use that query to access a storage entry, fetch a result and decode the value.
let client_at = api.storage().at_latest().await?;
let account_info = client_at.entry(storage_query)?.fetch((account,)).await?.decode()?;
// With out `Value` type we can dig in to find what we want using the `At`
// trait and `.at()` method that this provides on the Value.
println!("Alice has free balance: {}", account_info.at("data").at("free").unwrap());
Ok(())
}