use crate::{BlockHeaderData, BlockSource, AsyncBlockSourceResult};
use crate::http::{HttpClient, HttpEndpoint, JsonResponse};
use crate::{BlockHeaderData, BlockSource, AsyncBlockSourceResult};
use crate::http::{HttpClient, HttpEndpoint, JsonResponse};
let mut client = RpcClient::new(CREDENTIALS, server.endpoint()).unwrap();
match client.call_method::<u64>("getblockcount", &[]).await {
let mut client = RpcClient::new(CREDENTIALS, server.endpoint()).unwrap();
match client.call_method::<u64>("getblockcount", &[]).await {