use jsonrpc_http_server::jsonrpc_core::*; use jsonrpc_http_server::{AccessControlAllowOrigin, DomainsValidation, RestApi, ServerBuilder}; fn main() { env_logger::init(); let mut io = IoHandler::default(); io.add_sync_method("say_hello", |_params: Params| Ok(Value::String("hello".to_string()))); let server = ServerBuilder::new(io) .threads(3) .rest_api(RestApi::Unsecure) .cors(DomainsValidation::AllowOnly(vec![AccessControlAllowOrigin::Any])) .start_http(&"127.0.0.1:3030".parse().unwrap()) .expect("Unable to start RPC server"); server.wait(); }