Skip to main content

Caller

Trait Caller 

Source
pub trait Caller {
    type Provider: Provider;

    // Required method
    fn call<ResultType>(
        &self,
        canister_id: Principal,
        call_mode: CallMode,
        method: &str,
        args: Result<Vec<u8>, Error>,
    ) -> CallBuilder<ResultType, Self::Provider>
       where ResultType: for<'a> Deserialize<'a> + CandidType;
}
Expand description

Trait for objects that can initiate canister calls.

Required Associated Types§

Source

type Provider: Provider

Required Methods§

Source

fn call<ResultType>( &self, canister_id: Principal, call_mode: CallMode, method: &str, args: Result<Vec<u8>, Error>, ) -> CallBuilder<ResultType, Self::Provider>
where ResultType: for<'a> Deserialize<'a> + CandidType,

Initiate a call to a canister method.

§Parameters
  • canister_id: The target canister’s principal.
  • call_mode: Whether this is a query or update.
  • method: Method name to call.
  • args: Encoded Candid arguments or error.
§Returns

A configured CallBuilder to execute the call.

Dyn Compatibility§

This trait is not dyn compatible.

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

Implementors§