aigc_api 5.1.2

APIs for aigc, a simple, private and scalable cryptocurrency implementation based on the Mimblewimble chain format.
Documentation 
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// Copyright 2021 The Aigc 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::p2p::types::{PeerAddr, PeerInfoDisplay, ReasonForBan};
use crate::p2p::{self, PeerData};
use crate::rest::*;
use crate::router::{Handler, ResponseFuture};
use crate::web::*;
use hyper::{Body, Request, StatusCode};
use std::net::SocketAddr;
use std::sync::Weak;

pub struct PeersAllHandler {
	pub peers: Weak<p2p::Peers>,
}

impl Handler for PeersAllHandler {
	fn get(&self, _req: Request<Body>) -> ResponseFuture {
		let peers = &w_fut!(&self.peers).all_peer_data();
		json_response_pretty(&peers)
	}
}

pub struct PeersConnectedHandler {
	pub peers: Weak<p2p::Peers>,
}

impl PeersConnectedHandler {
	pub fn get_connected_peers(&self) -> Result<Vec<PeerInfoDisplay>, Error> {
		let peers = w(&self.peers)?
			.iter()
			.connected()
			.into_iter()
			.map(|p| p.info.clone().into())
			.collect::<Vec<PeerInfoDisplay>>();
		Ok(peers)
	}
}

impl Handler for PeersConnectedHandler {
	fn get(&self, _req: Request<Body>) -> ResponseFuture {
		let peers: Vec<PeerInfoDisplay> = w_fut!(&self.peers)
			.iter()
			.connected()
			.into_iter()
			.map(|p| p.info.clone().into())
			.collect();
		json_response(&peers)
	}
}

/// Peer operations
/// GET /v1/peers/10.12.12.13
/// POST /v1/peers/10.12.12.13/ban
/// POST /v1/peers/10.12.12.13/unban
pub struct PeerHandler {
	pub peers: Weak<p2p::Peers>,
}

impl PeerHandler {
	pub fn get_peers(&self, addr: Option<SocketAddr>) -> Result<Vec<PeerData>, Error> {
		if let Some(addr) = addr {
			let peer_addr = PeerAddr(addr);
			let peer_data: PeerData = w(&self.peers)?.get_peer(peer_addr).map_err(|e| {
				let e: Error = ErrorKind::Internal(format!("get peer error: {:?}", e)).into();
				e
			})?;
			return Ok(vec![peer_data]);
		}
		let peers = w(&self.peers)?.all_peer_data();
		Ok(peers)
	}

	pub fn ban_peer(&self, addr: SocketAddr) -> Result<(), Error> {
		let peer_addr = PeerAddr(addr);
		w(&self.peers)?
			.ban_peer(peer_addr, ReasonForBan::ManualBan)
			.map_err(|e| ErrorKind::Internal(format!("ban peer error: {:?}", e)).into())
	}

	pub fn unban_peer(&self, addr: SocketAddr) -> Result<(), Error> {
		let peer_addr = PeerAddr(addr);
		w(&self.peers)?
			.unban_peer(peer_addr)
			.map_err(|e| ErrorKind::Internal(format!("unban peer error: {:?}", e)).into())
	}
}

impl Handler for PeerHandler {
	fn get(&self, req: Request<Body>) -> ResponseFuture {
		let command = right_path_element!(req);

		// We support both "ip" and "ip:port" here for peer_addr.
		// "ip:port" is only really useful for local usernet testing on loopback address.
		// Normally we map peers to ip and only allow a single peer per ip address.
		let peer_addr;
		if let Ok(ip_addr) = command.parse() {
			peer_addr = PeerAddr::from_ip(ip_addr);
		} else if let Ok(addr) = command.parse() {
			peer_addr = PeerAddr(addr);
		} else {
			return response(
				StatusCode::BAD_REQUEST,
				format!("peer address unrecognized: {}", req.uri().path()),
			);
		}

		match w_fut!(&self.peers).get_peer(peer_addr) {
			Ok(peer) => json_response(&peer),
			Err(_) => response(StatusCode::NOT_FOUND, "peer not found"),
		}
	}
	fn post(&self, req: Request<Body>) -> ResponseFuture {
		let mut path_elems = req.uri().path().trim_end_matches('/').rsplit('/');
		let command = match path_elems.next() {
			None => return response(StatusCode::BAD_REQUEST, "invalid url"),
			Some(c) => c,
		};
		let addr = match path_elems.next() {
			None => return response(StatusCode::BAD_REQUEST, "invalid url"),
			Some(a) => {
				if let Ok(ip_addr) = a.parse() {
					PeerAddr::from_ip(ip_addr)
				} else if let Ok(addr) = a.parse() {
					PeerAddr(addr)
				} else {
					return response(
						StatusCode::BAD_REQUEST,
						format!("invalid peer address: {}", req.uri().path()),
					);
				}
			}
		};

		match command {
			"ban" => match w_fut!(&self.peers).ban_peer(addr, ReasonForBan::ManualBan) {
				Ok(_) => response(StatusCode::OK, "{}"),
				Err(e) => response(
					StatusCode::INTERNAL_SERVER_ERROR,
					format!("ban failed: {:?}", e),
				),
			},
			"unban" => match w_fut!(&self.peers).unban_peer(addr) {
				Ok(_) => response(StatusCode::OK, "{}"),
				Err(e) => response(
					StatusCode::INTERNAL_SERVER_ERROR,
					format!("unban failed: {:?}", e),
				),
			},
			_ => response(StatusCode::BAD_REQUEST, "invalid command"),
		}
	}
}