use starknet::providers::{
jsonrpc::{HttpTransport, JsonRpcClient},
Provider, Url,
};
#[tokio::main]
async fn main() {
let provider = JsonRpcClient::new(HttpTransport::new(
Url::parse("https://starknet-sepolia.public.blastapi.io/rpc/v0_9").unwrap(),
));
let block_number = provider.block_number().await.unwrap();
println!("{block_number}");
}