Struct StorageClient 

pub struct StorageClient { /* private fields */ }

Storage query client for accessing chain storage

Implementations

impl StorageClient

pub fn new(client: OnlineClient<PolkadotConfig>, metrics: Metrics) -> Self

Create a new storage client

pub async fn get_account_info(&self, address: &str) -> Result<AccountInfo>

Query account information including balance and nonce

pub async fn get_balance(&self, address: &str) -> Result<u128>

Query account balance (free balance only)

pub async fn get_nonce(&self, address: &str) -> Result<u64>

Query account nonce

pub async fn query_storage( &self, pallet: &str, item: &str, keys: Vec<Value>, ) -> Result<Option<Vec<u8>>>

Query a storage value by pallet and item name

pub fn get_constant(&self, pallet: &str, constant: &str) -> Result<Vec<u8>>

Get a runtime constant (returns raw bytes)

pub fn get_existential_deposit(&self) -> Result<u128>

Get the existential deposit (minimum balance to keep account alive)

pub async fn query_storage_at_block( &self, block_hash_hex: &str, pallet: &str, item: &str, keys: Vec<Value>, ) -> Result<Option<Vec<u8>>>

Query storage at a specific block hash

pub async fn iter_storage( &self, pallet: &str, item: &str, ) -> Result<Vec<(Vec<u8>, Vec<u8>)>>

Iterate over storage entries and return their keys and values

pub fn get_pallet_metadata(&self, pallet: &str) -> Result<PalletMetadata>

Get metadata about a pallet

pub fn list_pallets(&self) -> Vec<String>

List all available pallets