fuel-core 0.21.0-rc.1

Fuel client library is aggregation of all fuels service. It contains the all business logic of the fuel protocol.
Documentation 
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use crate::graphql_api::ports::DatabasePort;
use fuel_core_storage::Result as StorageResult;
use fuel_core_types::blockchain::primitives::DaBlockHeight;

pub trait ChainQueryData: Send + Sync {
    fn name(&self) -> StorageResult<String>;

    fn da_height(&self) -> StorageResult<DaBlockHeight>;
}

impl<D: DatabasePort + ?Sized> ChainQueryData for D {
    fn name(&self) -> StorageResult<String> {
        self.chain_name()
    }

    fn da_height(&self) -> StorageResult<DaBlockHeight> {
        self.da_height()
    }
}