Trait DataContractProvider 

pub trait DataContractProvider: Send + Sync {
    // Required method
    fn as_contract_lookup_fn<'a>(
        &'a self,
        platform_version: &'a PlatformVersion,
    ) -> Box<dyn Fn(&Identifier) -> Result<Option<Arc<DataContract>>, Error> + 'a>;
}

A trait that provides a function that can be used to look up a [DataContract] by its [Identifier].

This trait is automatically implemented for any type that implements ContextProvider. It is used internally by the Drive proof verification functions to look up data contracts.

Required Methods

fn as_contract_lookup_fn<'a>( &'a self, platform_version: &'a PlatformVersion, ) -> Box<dyn Fn(&Identifier) -> Result<Option<Arc<DataContract>>, Error> + 'a>

Returns [ContractLookupFn] function that can be used to look up a [DataContract] by its [Identifier].

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<C> DataContractProvider for C

where C: ContextProvider + ?Sized,