Struct EmptyDataProvider 

pub struct EmptyDataProvider;

No-op data provider — all methods return None.

Trait Implementations

impl DataProvider for EmptyDataProvider

fn resolve_token( &self, chain_id: u64, address: &str, ) -> Pin<Box<dyn Future<Output = Option<TokenMeta>> + Send + '_>>

Resolve token metadata (symbol, decimals, name) for a given chain and address.

fn resolve_ens_name( &self, address: &str, chain_id: u64, types: Option<&[String]>, ) -> Pin<Box<dyn Future<Output = Option<String>> + Send + '_>>

Resolve an ENS name for an address.

fn resolve_local_name( &self, address: &str, chain_id: u64, types: Option<&[String]>, ) -> Pin<Box<dyn Future<Output = Option<String>> + Send + '_>>

Resolve a local/contact name for an address.

fn resolve_nft_collection_name( &self, collection_address: &str, chain_id: u64, ) -> Pin<Box<dyn Future<Output = Option<String>> + Send + '_>>

Resolve an NFT collection name for a collection contract address.

fn resolve_block_timestamp( &self, chain_id: u64, block_number: u64, ) -> Pin<Box<dyn Future<Output = Option<u64>> + Send + '_>>

Resolve an approximate unix timestamp for a given block number.