// Copyright 2018 The Grin Developers // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. use super::utils::w; use crate::chain; use crate::rest::*; use crate::router::{Handler, ResponseFuture}; use crate::types::Version; use crate::web::*; use hyper::{Body, Request}; use std::sync::Weak; const CRATE_VERSION: &'static str = env!("CARGO_PKG_VERSION"); /// Version handler. Get running node API version /// GET /v1/version pub struct VersionHandler { pub chain: Weak, } impl VersionHandler { fn get_version(&self) -> Result { let head = w(&self.chain)? .head_header() .map_err(|e| ErrorKind::Internal(format!("can't get head: {}", e)))?; Ok(Version { node_version: CRATE_VERSION.to_owned(), block_header_version: head.version.into(), }) } } impl Handler for VersionHandler { fn get(&self, _req: Request) -> ResponseFuture { result_to_response(self.get_version()) } }