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Add TLS support

checkpoints
Aditya Kulkarni 5 years ago
parent
commit
c38febd60e
  1. 9
      Cargo.toml
  2. 459
      src/lightclient.rs

9
Cargo.toml

@ -15,7 +15,6 @@ http = "0.1"
prost = "0.5"
tokio = "0.1"
tower-request-modifier = { git = "https://github.com/tower-rs/tower-http" }
tower-hyper = "0.1"
hyper = "0.12"
tower-util = "0.1"
hex = "0.3"
@ -32,6 +31,14 @@ sha2 = "0.8.0"
ripemd160 = "0.8.0"
ring = "0.14.0"
lazy_static = "1.2.0"
tower-service = "0.2"
tokio-rustls = "0.10.0-alpha.3"
webpki = "0.19.1"
webpki-roots = "0.16.0"
tower-h2 = { git = "https://github.com/tower-rs/tower-h2" }
openssl = "*"
openssl-probe = "*"
[dependencies.bellman]
git = "https://github.com/adityapk00/librustzcash.git"

459
src/lightclient.rs

@ -2,40 +2,148 @@ use crate::lightwallet::LightWallet;
use log::{info, warn, error};
use std::sync::{Arc};
use std::net::ToSocketAddrs;
use std::path::Path;
use std::fs::File;
use std::io;
use std::io::prelude::*;
use std::io::{BufReader, BufWriter, Error, ErrorKind};
use std::sync::Arc;
use std::sync::atomic::{AtomicU64, AtomicI32, AtomicUsize, Ordering};
use json::{object, JsonValue};
use futures::{Future};
use futures::stream::Stream;
use tower_util::MakeService;
use tower_grpc::Request;
use tokio_rustls::client::TlsStream;
use tokio_rustls::{rustls::ClientConfig, TlsConnector};
use std::net::SocketAddr;
use tokio::executor::DefaultExecutor;
use tokio::net::tcp::TcpStream;
use tower_h2;
use zcash_primitives::transaction::{TxId, Transaction};
use zcash_client_backend::{
constants::testnet, constants::mainnet, constants::regtest, encoding::encode_payment_address,
};
use futures::Future;
use hyper::client::connect::{Destination, HttpConnector};
use tower_grpc::Request;
use tower_hyper::{client, util};
use tower_util::MakeService;
use futures::stream::Stream;
use crate::grpc_client::{ChainSpec, BlockId, BlockRange, RawTransaction,
TransparentAddressBlockFilter, TxFilter, Empty, LightdInfo};
use crate::grpc_client::client::CompactTxStreamer;
// Used below to return the grpc "Client" type to calling methods
type Client = crate::grpc_client::client::CompactTxStreamer<tower_request_modifier::RequestModifier<tower_hyper::client::Connection<tower_grpc::BoxBody>, tower_grpc::BoxBody>>;
pub const DEFAULT_SERVER: &str = "http://3.15.168.203:9067";
pub const WALLET_NAME: &str = "zeclite.wallet.dat";
pub const LOGFILE_NAME: &str = "zeclite.debug.log";
struct Dst(SocketAddr);
impl tower_service::Service<()> for Dst {
type Response = TlsStream<TcpStream>;
type Error = ::std::io::Error;
type Future = Box<dyn Future<Item = TlsStream<TcpStream>, Error = ::std::io::Error> + Send>;
fn poll_ready(&mut self) -> futures::Poll<(), Self::Error> {
Ok(().into())
}
fn call(&mut self, _: ()) -> Self::Future {
let mut config = ClientConfig::new();
config.alpn_protocols.push(b"h2".to_vec());
config.root_store.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
let config = Arc::new(config);
let tls_connector = TlsConnector::from(config);
let addr_string_local = "lightd-test.zecwallet.co";
let domain = webpki::DNSNameRef::try_from_ascii_str(addr_string_local).unwrap();
let domain_local = domain.to_owned();
let stream = TcpStream::connect(&self.0).and_then(move |sock| {
sock.set_nodelay(true).unwrap();
tls_connector.connect(domain_local.as_ref(), sock)
})
.map(move |tcp| tcp);
Box::new(stream)
}
}
// Same implementation but without TLS. Should make it straightforward to run without TLS
// when testing on local machine
//
// impl tower_service::Service<()> for Dst {
// type Response = TcpStream;
// type Error = ::std::io::Error;
// type Future = Box<dyn Future<Item = TcpStream, Error = ::std::io::Error> + Send>;
//
// fn poll_ready(&mut self) -> futures::Poll<(), Self::Error> {
// Ok(().into())
// }
//
// fn call(&mut self, _: ()) -> Self::Future {
// let mut config = ClientConfig::new();
// config.alpn_protocols.push(b"h2".to_vec());
// config.root_store.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
//
// let addr_string_local = "mydomain.com".to_string();
// let addr = addr_string_local.as_str();
//
// let stream = TcpStream::connect(&self.0)
// .and_then(move |sock| {
// sock.set_nodelay(true).unwrap();
// Ok(sock)
// });
// Box::new(stream)
// }
// }
macro_rules! make_grpc_client {
() => {{
let uri: http::Uri = "https://lightd-test.zecwallet.co".parse().unwrap();
//let addr = "3.15.168.203:9067"
let addr = "lightd-test.zecwallet.co:443"
.to_socket_addrs()
.unwrap()
.next()
.unwrap();
let h2_settings = Default::default();
let mut make_client = tower_h2::client::Connect::new(Dst {0: addr}, h2_settings, DefaultExecutor::current());
make_client
.make_service(())
.map_err(|e| {
eprintln!("HTTP/2 connection failed; err={:?}", e);
})
.and_then(move |conn| {
let conn = tower_request_modifier::Builder::new()
.set_origin(uri)
.build(conn)
.unwrap();
CompactTxStreamer::new(conn)
// Wait until the client is ready...
.ready()
.map_err(|e| eprintln!("client closed: {:?}", e))
})
}};
}
#[derive(Clone, Debug)]
pub struct LightClientConfig {
pub server : String,
@ -345,20 +453,23 @@ impl LightClient {
let info = Arc::new(RefCell::<LightdInfo>::default());
let info_inner = info.clone();
let say_hello = LightClient::make_grpc_client(uri).unwrap()
let runner = make_grpc_client!()
.and_then(move |mut client| {
client.get_lightd_info(Request::new(Empty{}))
})
.and_then(move |response| {
info_inner.replace(response.into_inner());
.map_err(|e| {
println!("ERR = {:?}", e);
})
.and_then(move |response| {
info_inner.replace(response.into_inner());
Ok(())
})
.map_err(|e| {
println!("ERR = {:?}", e);
Ok(())
})
.map_err(|e| {
println!("ERR = {:?}", e);
})
});
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(say_hello).unwrap();
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner).unwrap();
let ans = info.borrow().clone();
ans
@ -736,31 +847,14 @@ impl LightClient {
}
}
pub fn fetch_blocks<F : 'static + std::marker::Send>(&self, start_height: u64, end_height: u64, c: F)
where F : Fn(&[u8]) {
// Fetch blocks
let uri: http::Uri = self.get_server_uri();
// ==============
// GRPC code
// ==============
let dst = Destination::try_from_uri(uri.clone()).unwrap();
let connector = util::Connector::new(HttpConnector::new(4));
let settings = client::Builder::new().http2_only(true).clone();
let mut make_client = client::Connect::with_builder(connector, settings);
let say_hello = make_client
.make_service(dst)
.map_err(|e| panic!("connect error: {:?}", e))
.and_then(move |conn| {
let conn = tower_request_modifier::Builder::new()
.set_origin(uri)
.build(conn)
.unwrap();
// Wait until the client is ready...
CompactTxStreamer::new(conn)
.ready()
.map_err(|e| eprintln!("streaming error {:?}", e))
})
pub fn fetch_blocks<F : 'static + std::marker::Send>(&self, start_height: u64, end_height: u64, c: F)
where F : Fn(&[u8]) {
let runner = make_grpc_client!()
.and_then(move |mut client| {
let bs = BlockId{ height: start_height, hash: vec!()};
let be = BlockId{ height: end_height, hash: vec!()};
@ -786,34 +880,13 @@ impl LightClient {
})
});
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(say_hello).unwrap();
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner).unwrap();
}
pub fn fetch_transparent_txids<F : 'static + std::marker::Send>(&self, address: String,
start_height: u64, end_height: u64,c: F)
where F : Fn(&[u8], u64) {
let uri: http::Uri = self.get_server_uri();
let dst = Destination::try_from_uri(uri.clone()).unwrap();
let connector = util::Connector::new(HttpConnector::new(4));
let settings = client::Builder::new().http2_only(true).clone();
let mut make_client = client::Connect::with_builder(connector, settings);
let say_hello = make_client
.make_service(dst)
.map_err(|e| panic!("connect error: {:?}", e))
.and_then(move |conn| {
let conn = tower_request_modifier::Builder::new()
.set_origin(uri)
.build(conn)
.unwrap();
// Wait until the client is ready...
CompactTxStreamer::new(conn)
.ready()
.map_err(|e| eprintln!("streaming error {:?}", e))
})
let runner = make_grpc_client!()
.and_then(move |mut client| {
let start = Some(BlockId{ height: start_height, hash: vec!()});
let end = Some(BlockId{ height: end_height, hash: vec!()});
@ -837,57 +910,59 @@ impl LightClient {
})
});
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(say_hello).unwrap();
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner).unwrap();
}
pub fn fetch_full_tx<F : 'static + std::marker::Send>(&self, txid: TxId, c: F)
where F : Fn(&[u8]) {
let uri: http::Uri = self.get_server_uri();
let say_hello = LightClient::make_grpc_client(uri).unwrap()
let runner = make_grpc_client!()
.and_then(move |mut client| {
let txfilter = TxFilter { block: None, index: 0, hash: txid.0.to_vec() };
client.get_transaction(Request::new(txfilter))
})
.and_then(move |response| {
//let tx = Transaction::read(&response.into_inner().data[..]).unwrap();
c(&response.into_inner().data);
.map_err(|e| {
eprintln!("RouteChat request failed; err={:?}", e);
})
.and_then(move |response| {
//let tx = Transaction::read(&response.into_inner().data[..]).unwrap();
c(&response.into_inner().data);
Ok(())
})
.map_err(|e| {
println!("ERR = {:?}", e);
Ok(())
})
.map_err(|e| {
println!("ERR = {:?}", e);
})
});
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(say_hello).unwrap();
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner).unwrap();
}
pub fn broadcast_raw_tx(&self, tx_bytes: Box<[u8]>) -> String {
use std::cell::RefCell;
let uri: http::Uri = self.get_server_uri();
let infostr = Arc::new(RefCell::<String>::default());
let infostrinner = infostr.clone();
let say_hello = LightClient::make_grpc_client(uri).unwrap()
let runner = make_grpc_client!()
.and_then(move |mut client| {
client.send_transaction(Request::new(RawTransaction {data: tx_bytes.to_vec(), height: 0}))
})
.and_then(move |response| {
let sendresponse = response.into_inner();
if sendresponse.error_code == 0 {
infostrinner.replace(format!("Successfully broadcast Tx: {}", sendresponse.error_message));
} else {
infostrinner.replace(format!("Error: {:?}", sendresponse));
}
Ok(())
})
.map_err(|e| {
println!("ERR = {:?}", e);
.map_err(|e| {
println!("ERR = {:?}", e);
})
.and_then(move |response| {
let sendresponse = response.into_inner();
if sendresponse.error_code == 0 {
infostrinner.replace(format!("Successfully broadcast Tx: {}", sendresponse.error_message));
} else {
infostrinner.replace(format!("Error: {:?}", sendresponse));
}
Ok(())
})
.map_err(|e| {
println!("ERR = {:?}", e);
})
});
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(say_hello).unwrap();
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner).unwrap();
let ans = infostr.borrow().clone();
ans
@ -895,198 +970,22 @@ impl LightClient {
pub fn fetch_latest_block<F : 'static + std::marker::Send>(&self, mut c : F)
where F : FnMut(BlockId) {
let uri: http::Uri = self.get_server_uri();
let say_hello = LightClient::make_grpc_client(uri).unwrap()
let runner = make_grpc_client!()
.and_then(|mut client| {
client.get_latest_block(Request::new(ChainSpec {}))
})
.and_then(move |response| {
c(response.into_inner());
Ok(())
})
.map_err(|e| {
println!("ERR = {:?}", e);
.map_err(|e| {
println!("ERR = {:?}", e);
})
.and_then(move |response| {
c(response.into_inner());
Ok(())
})
.map_err(|e| {
println!("ERR = {:?}", e);
})
});
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(say_hello).unwrap();
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner).unwrap();
}
fn make_grpc_client(uri: http::Uri) -> Result<Box<dyn Future<Item=Client, Error=tower_grpc::Status> + Send>, Box<dyn std::error::Error>> {
let dst = Destination::try_from_uri(uri.clone())?;
let connector = util::Connector::new(HttpConnector::new(4));
let settings = client::Builder::new().http2_only(true).clone();
let mut make_client = client::Connect::with_builder(connector, settings);
let say_hello = make_client
.make_service(dst)
.map_err(|e| panic!("connect error: {:?}", e))
.and_then(move |conn| {
let conn = tower_request_modifier::Builder::new()
.set_origin(uri)
.build(conn)
.unwrap();
// Wait until the client is ready...
CompactTxStreamer::new(conn).ready()
});
Ok(Box::new(say_hello))
}
}
/*
TLS Example https://gist.github.com/kiratp/dfcbcf0aa713a277d5d53b06d9db9308
// [dependencies]
// futures = "0.1.27"
// http = "0.1.17"
// tokio = "0.1.21"
// tower-request-modifier = { git = "https://github.com/tower-rs/tower-http" }
// tower-grpc = { version = "0.1.0", features = ["tower-hyper"] }
// tower-service = "0.2"
// tower-util = "0.1"
// tokio-rustls = "0.10.0-alpha.3"
// webpki = "0.19.1"
// webpki-roots = "0.16.0"
// tower-h2 = { git = "https://github.com/tower-rs/tower-h2" }
// openssl = "*"
// openssl-probe = "*"
use std::thread;
use std::sync::{Arc};
use futures::{future, Future};
use tower_util::MakeService;
use tokio_rustls::client::TlsStream;
use tokio_rustls::{rustls::ClientConfig, TlsConnector};
use std::net::SocketAddr;
use tokio::executor::DefaultExecutor;
use tokio::net::tcp::TcpStream;
use tower_h2;
use std::net::ToSocketAddrs;
struct Dst(SocketAddr);
impl tower_service::Service<()> for Dst {
type Response = TlsStream<TcpStream>;
type Error = ::std::io::Error;
type Future = Box<dyn Future<Item = TlsStream<TcpStream>, Error = ::std::io::Error> + Send>;
fn poll_ready(&mut self) -> futures::Poll<(), Self::Error> {
Ok(().into())
}
fn call(&mut self, _: ()) -> Self::Future {
println!("{:?}", self.0);
let mut config = ClientConfig::new();
config.alpn_protocols.push(b"h2".to_vec());
config.root_store.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
let config = Arc::new(config);
let tls_connector = TlsConnector::from(config);
let addr_string_local = "mydomain.com";
let domain = webpki::DNSNameRef::try_from_ascii_str(addr_string_local).unwrap();
let domain_local = domain.to_owned();
let stream = TcpStream::connect(&self.0).and_then(move |sock| {
sock.set_nodelay(true).unwrap();
tls_connector.connect(domain_local.as_ref(), sock)
})
.map(move |tcp| tcp);
Box::new(stream)
}
}
// Same implementation but without TLS. Should make it straightforward to run without TLS
// when testing on local machine
// impl tower_service::Service<()> for Dst {
// type Response = TcpStream;
// type Error = ::std::io::Error;
// type Future = Box<dyn Future<Item = TcpStream, Error = ::std::io::Error> + Send>;
// fn poll_ready(&mut self) -> futures::Poll<(), Self::Error> {
// Ok(().into())
// }
// fn call(&mut self, _: ()) -> Self::Future {
// let mut config = ClientConfig::new();
// config.alpn_protocols.push(b"h2".to_vec());
// config.root_store.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
// let addr_string_local = "mydomain.com".to_string();
// let addr = addr_string_local.as_str();
// let stream = TcpStream::connect(&self.0)
// .and_then(move |sock| {
// sock.set_nodelay(true).unwrap();
// Ok(sock)
// });
// Box::new(stream)
// }
// }
fn connect() {
let keepalive = future::loop_fn((), move |_| {
let uri: http::Uri = "https://mydomain.com".parse().unwrap();
println!("Connecting to network at: {:?}", uri);
let addr = "https://mydomain.com:443"
.to_socket_addrs()
.unwrap()
.next()
.unwrap();
let h2_settings = Default::default();
let mut make_client = tower_h2::client::Connect::new(Dst {0: addr}, h2_settings, DefaultExecutor::current());
make_client
.make_service(())
.map_err(|e| {
eprintln!("HTTP/2 connection failed; err={:?}", e);
})
.and_then(move |conn| {
let conn = tower_request_modifier::Builder::new()
.set_origin(uri)
.build(conn)
.unwrap();
MyGrpcService::new(conn)
// Wait until the client is ready...
.ready()
.map_err(|e| eprintln!("client closed: {:?}", e))
})
.and_then(move |mut client| {
// do stuff
})
.then(|e| {
eprintln!("Reopening client connection to network: {:?}", e);
let retry_sleep = std::time::Duration::from_secs(1);
thread::sleep(retry_sleep);
Ok(future::Loop::Continue(()))
})
});
thread::spawn(move || tokio::run(keepalive));
}
pub fn main() {
connect();
}
*/
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