Trait OffchainFetcher 

pub trait OffchainFetcher {
    // Provided methods
    fn fetch(request: HttpRequest) -> Result<Vec<u8>, &'static str> { ... }
    fn fetch_string(request: HttpRequest) -> Result<String, &'static str> { ... }
}

A trait for fetching data with flexible HTTP requests.

Provided Methods

fn fetch(request: HttpRequest) -> Result<Vec<u8>, &'static str>

Send an HTTP request and return the response body.

fn fetch_string(request: HttpRequest) -> Result<String, &'static str>

Send an HTTP request and return the response as a UTF-8 string.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl OffchainFetcher for DefaultOffchainFetcher