805 lines
28 KiB
Rust
805 lines
28 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
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use discovery::{NodeEntry, TableUpdates};
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use ethereum_types::H512;
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use ip_utils::*;
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use network::{AllowIP, Error, ErrorKind, IpFilter};
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use rand::{self, Rng};
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use rlp::{DecoderError, Rlp, RlpStream};
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use serde_json;
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use std::{
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collections::{HashMap, HashSet},
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fmt::{self, Display, Formatter},
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fs,
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hash::{Hash, Hasher},
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net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6, ToSocketAddrs},
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path::PathBuf,
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slice,
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str::FromStr,
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time::{self, Duration, SystemTime},
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};
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/// Node public key
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pub type NodeId = H512;
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#[derive(Debug, Clone, PartialEq)]
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/// Node address info
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pub struct NodeEndpoint {
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/// IP(V4 or V6) address
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pub address: SocketAddr,
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/// Connection port.
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pub udp_port: u16,
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}
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impl NodeEndpoint {
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pub fn udp_address(&self) -> SocketAddr {
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match self.address {
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SocketAddr::V4(a) => SocketAddr::V4(SocketAddrV4::new(*a.ip(), self.udp_port)),
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SocketAddr::V6(a) => SocketAddr::V6(SocketAddrV6::new(
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*a.ip(),
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self.udp_port,
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a.flowinfo(),
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a.scope_id(),
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)),
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}
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}
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pub fn is_allowed(&self, filter: &IpFilter) -> bool {
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(self.is_allowed_by_predefined(&filter.predefined)
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|| filter
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.custom_allow
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.iter()
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.any(|ipnet| self.address.ip().is_within(ipnet)))
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&& !filter
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.custom_block
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.iter()
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.any(|ipnet| self.address.ip().is_within(ipnet))
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}
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pub fn is_allowed_by_predefined(&self, filter: &AllowIP) -> bool {
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match filter {
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AllowIP::All => true,
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AllowIP::Private => self.address.ip().is_usable_private(),
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AllowIP::Public => self.address.ip().is_usable_public(),
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AllowIP::None => false,
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}
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}
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pub fn from_rlp(rlp: &Rlp) -> Result<Self, DecoderError> {
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let tcp_port = rlp.val_at::<u16>(2)?;
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let udp_port = rlp.val_at::<u16>(1)?;
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let addr_bytes = rlp.at(0)?.data()?;
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let address = match addr_bytes.len() {
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4 => Ok(SocketAddr::V4(SocketAddrV4::new(
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Ipv4Addr::new(addr_bytes[0], addr_bytes[1], addr_bytes[2], addr_bytes[3]),
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tcp_port,
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))),
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16 => unsafe {
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let o: *const u16 = addr_bytes.as_ptr() as *const u16;
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let o = slice::from_raw_parts(o, 8);
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Ok(SocketAddr::V6(SocketAddrV6::new(
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Ipv6Addr::new(o[0], o[1], o[2], o[3], o[4], o[5], o[6], o[7]),
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tcp_port,
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0,
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0,
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)))
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},
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_ => Err(DecoderError::RlpInconsistentLengthAndData),
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}?;
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Ok(NodeEndpoint { address, udp_port })
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}
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pub fn to_rlp(&self, rlp: &mut RlpStream) {
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match self.address {
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SocketAddr::V4(a) => {
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rlp.append(&(&a.ip().octets()[..]));
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}
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SocketAddr::V6(a) => unsafe {
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let o: *const u8 = a.ip().segments().as_ptr() as *const u8;
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rlp.append(&slice::from_raw_parts(o, 16));
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},
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};
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rlp.append(&self.udp_port);
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rlp.append(&self.address.port());
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}
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pub fn to_rlp_list(&self, rlp: &mut RlpStream) {
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rlp.begin_list(3);
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self.to_rlp(rlp);
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}
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/// Validates that the tcp port is not 0 and that the node is a valid discovery node (i.e. `is_valid_discovery_node()` is true).
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/// Sync happens over tcp.
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pub fn is_valid_sync_node(&self) -> bool {
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self.is_valid_discovery_node() && self.address.port() != 0
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}
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/// Validates that the udp port is not 0 and address IP is specified.
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/// Peer discovery happens over udp.
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pub fn is_valid_discovery_node(&self) -> bool {
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self.udp_port != 0
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&& match self.address {
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SocketAddr::V4(a) => !a.ip().is_unspecified(),
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SocketAddr::V6(a) => !a.ip().is_unspecified(),
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}
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}
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}
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impl FromStr for NodeEndpoint {
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type Err = Error;
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/// Create endpoint from string. Performs name resolution if given a host name.
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fn from_str(s: &str) -> Result<NodeEndpoint, Error> {
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let address = s.to_socket_addrs().map(|mut i| i.next());
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match address {
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Ok(Some(a)) => Ok(NodeEndpoint {
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address: a,
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udp_port: a.port(),
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}),
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Ok(None) => bail!(ErrorKind::AddressResolve(None)),
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Err(_) => Err(ErrorKind::AddressParse.into()), // always an io::Error of InvalidInput kind
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}
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}
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}
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#[derive(Debug, PartialEq, Eq, Copy, Clone)]
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pub enum PeerType {
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_Required,
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Optional,
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}
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/// A type for representing an interaction (contact) with a node at a given time
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/// that was either a success or a failure.
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#[derive(Clone, Copy, Debug)]
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pub enum NodeContact {
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Success(SystemTime),
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Failure(SystemTime),
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}
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impl NodeContact {
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fn success() -> NodeContact {
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NodeContact::Success(SystemTime::now())
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}
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fn failure() -> NodeContact {
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NodeContact::Failure(SystemTime::now())
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}
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fn time(&self) -> SystemTime {
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match *self {
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NodeContact::Success(t) | NodeContact::Failure(t) => t,
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}
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}
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/// Filters and old contact, returning `None` if it happened longer than a
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/// week ago.
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fn recent(&self) -> Option<&NodeContact> {
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let t = self.time();
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if let Ok(d) = t.elapsed() {
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if d < Duration::from_secs(60 * 60 * 24 * 7) {
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return Some(self);
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}
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}
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None
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}
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}
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#[derive(Debug)]
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pub struct Node {
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pub id: NodeId,
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pub endpoint: NodeEndpoint,
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pub peer_type: PeerType,
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pub last_contact: Option<NodeContact>,
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}
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impl Node {
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pub fn new(id: NodeId, endpoint: NodeEndpoint) -> Node {
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Node {
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id,
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endpoint,
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peer_type: PeerType::Optional,
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last_contact: None,
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}
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}
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}
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impl Display for Node {
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fn fmt(&self, f: &mut Formatter) -> fmt::Result {
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if self.endpoint.udp_port != self.endpoint.address.port() {
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write!(
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f,
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"enode://{:x}@{}+{}",
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self.id, self.endpoint.address, self.endpoint.udp_port
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)?;
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} else {
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write!(f, "enode://{:x}@{}", self.id, self.endpoint.address)?;
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}
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Ok(())
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}
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}
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impl FromStr for Node {
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type Err = Error;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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let (id, endpoint) = if s.len() > 136 && &s[0..8] == "enode://" && &s[136..137] == "@" {
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(
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s[8..136].parse().map_err(|_| ErrorKind::InvalidNodeId)?,
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NodeEndpoint::from_str(&s[137..])?,
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)
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} else {
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(NodeId::new(), NodeEndpoint::from_str(s)?)
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};
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Ok(Node {
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id,
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endpoint,
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peer_type: PeerType::Optional,
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last_contact: None,
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})
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}
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}
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impl PartialEq for Node {
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fn eq(&self, other: &Self) -> bool {
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self.id == other.id
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}
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}
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impl Eq for Node {}
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impl Hash for Node {
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fn hash<H>(&self, state: &mut H)
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where
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H: Hasher,
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{
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self.id.hash(state)
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}
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}
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const MAX_NODES: usize = 1024;
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const NODES_FILE: &str = "nodes.json";
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/// Node table backed by disk file.
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pub struct NodeTable {
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nodes: HashMap<NodeId, Node>,
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useless_nodes: HashSet<NodeId>,
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path: Option<String>,
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}
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impl NodeTable {
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pub fn new(path: Option<String>) -> NodeTable {
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NodeTable {
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path: path.clone(),
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nodes: NodeTable::load(path),
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useless_nodes: HashSet::new(),
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}
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}
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/// Add a node to table
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pub fn add_node(&mut self, mut node: Node) {
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// preserve node last_contact
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node.last_contact = self.nodes.get(&node.id).and_then(|n| n.last_contact);
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self.nodes.insert(node.id, node);
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}
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/// Returns a list of ordered nodes according to their most recent contact
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/// and filtering useless nodes. The algorithm for creating the sorted nodes
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/// is:
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/// - Contacts that aren't recent (older than 1 week) are discarded
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/// - (1) Nodes with a successful contact are ordered (most recent success first)
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/// - (2) Nodes with unknown contact (older than 1 week or new nodes) are randomly shuffled
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/// - (3) Nodes with a failed contact are ordered (oldest failure first)
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/// - The final result is the concatenation of (1), (2) and (3)
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fn ordered_entries(&self) -> Vec<&Node> {
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let mut success = Vec::new();
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let mut failures = Vec::new();
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let mut unknown = Vec::new();
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let nodes = self
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.nodes
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.values()
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.filter(|n| !self.useless_nodes.contains(&n.id));
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for node in nodes {
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// discard contact points older that aren't recent
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match node.last_contact.as_ref().and_then(|c| c.recent()) {
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Some(&NodeContact::Success(_)) => {
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success.push(node);
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}
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Some(&NodeContact::Failure(_)) => {
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failures.push(node);
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}
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None => {
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unknown.push(node);
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}
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}
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}
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success.sort_by(|a, b| {
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let a = a
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.last_contact
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.expect("vector only contains values with defined last_contact; qed");
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let b = b
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.last_contact
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.expect("vector only contains values with defined last_contact; qed");
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// inverse ordering, most recent successes come first
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b.time().cmp(&a.time())
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});
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failures.sort_by(|a, b| {
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let a = a
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.last_contact
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.expect("vector only contains values with defined last_contact; qed");
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let b = b
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.last_contact
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.expect("vector only contains values with defined last_contact; qed");
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// normal ordering, most distant failures come first
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a.time().cmp(&b.time())
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});
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rand::thread_rng().shuffle(&mut unknown);
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success.append(&mut unknown);
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success.append(&mut failures);
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success
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}
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/// Returns node ids sorted by failure percentage, for nodes with the same failure percentage the absolute number of
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/// failures is considered.
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pub fn nodes(&self, filter: &IpFilter) -> Vec<NodeId> {
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self.ordered_entries()
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.iter()
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.filter(|n| n.endpoint.is_allowed(&filter))
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.map(|n| n.id)
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.collect()
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}
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/// Ordered list of all entries by failure percentage, for nodes with the same failure percentage the absolute
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/// number of failures is considered.
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pub fn entries(&self) -> Vec<NodeEntry> {
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self.ordered_entries()
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.iter()
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.map(|n| NodeEntry {
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endpoint: n.endpoint.clone(),
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id: n.id,
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})
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.collect()
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}
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/// Get particular node
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pub fn get_mut(&mut self, id: &NodeId) -> Option<&mut Node> {
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self.nodes.get_mut(id)
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}
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/// Check if a node exists in the table.
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pub fn contains(&self, id: &NodeId) -> bool {
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self.nodes.contains_key(id)
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}
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/// Apply table changes coming from discovery
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pub fn update(&mut self, mut update: TableUpdates, reserved: &HashSet<NodeId>) {
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for (_, node) in update.added.drain() {
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let entry = self
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.nodes
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.entry(node.id)
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.or_insert_with(|| Node::new(node.id, node.endpoint.clone()));
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entry.endpoint = node.endpoint;
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}
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for r in update.removed {
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if !reserved.contains(&r) {
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self.nodes.remove(&r);
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}
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}
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}
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/// Set last contact as failure for a node
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pub fn note_failure(&mut self, id: &NodeId) {
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if let Some(node) = self.nodes.get_mut(id) {
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node.last_contact = Some(NodeContact::failure());
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}
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}
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/// Set last contact as success for a node
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pub fn note_success(&mut self, id: &NodeId) {
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if let Some(node) = self.nodes.get_mut(id) {
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node.last_contact = Some(NodeContact::success());
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}
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}
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/// Mark as useless, no further attempts to connect until next call to `clear_useless`.
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pub fn mark_as_useless(&mut self, id: &NodeId) {
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self.useless_nodes.insert(id.clone());
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}
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/// Attempt to connect to useless nodes again.
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pub fn clear_useless(&mut self) {
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self.useless_nodes.clear();
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}
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/// Save the nodes.json file.
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pub fn save(&self) {
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let mut path = match self.path {
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Some(ref path) => PathBuf::from(path),
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None => return,
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};
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if let Err(e) = fs::create_dir_all(&path) {
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warn!(target: "network", "Error creating node table directory: {:?}", e);
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return;
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}
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path.push(NODES_FILE);
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let node_ids = self.nodes(&IpFilter::default());
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let nodes = node_ids
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.into_iter()
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.map(|id| {
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self.nodes
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.get(&id)
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.expect("self.nodes() only returns node IDs from self.nodes")
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})
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.take(MAX_NODES)
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.map(Into::into)
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.collect();
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let table = json::NodeTable { nodes };
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match fs::File::create(&path) {
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Ok(file) => {
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if let Err(e) = serde_json::to_writer_pretty(file, &table) {
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warn!(target: "network", "Error writing node table file: {:?}", e);
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}
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}
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Err(e) => {
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warn!(target: "network", "Error creating node table file: {:?}", e);
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}
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}
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}
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fn load(path: Option<String>) -> HashMap<NodeId, Node> {
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let path = match path {
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Some(path) => PathBuf::from(path).join(NODES_FILE),
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None => return Default::default(),
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};
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let file = match fs::File::open(&path) {
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Ok(file) => file,
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Err(e) => {
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debug!(target: "network", "Error opening node table file: {:?}", e);
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return Default::default();
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}
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};
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let res: Result<json::NodeTable, _> = serde_json::from_reader(file);
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match res {
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Ok(table) => table
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.nodes
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.into_iter()
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.filter_map(|n| n.into_node())
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.map(|n| (n.id, n))
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.collect(),
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Err(e) => {
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warn!(target: "network", "Error reading node table file: {:?}", e);
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Default::default()
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}
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}
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}
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}
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impl Drop for NodeTable {
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fn drop(&mut self) {
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self.save();
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}
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}
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/// Check if node url is valid
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pub fn validate_node_url(url: &str) -> Option<Error> {
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match Node::from_str(url) {
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Ok(_) => None,
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Err(e) => Some(e),
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}
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}
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mod json {
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use super::*;
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#[derive(Serialize, Deserialize)]
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pub struct NodeTable {
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pub nodes: Vec<Node>,
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}
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#[derive(Serialize, Deserialize)]
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pub enum NodeContact {
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#[serde(rename = "success")]
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Success(u64),
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#[serde(rename = "failure")]
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Failure(u64),
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}
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impl NodeContact {
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pub fn into_node_contact(self) -> super::NodeContact {
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match self {
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NodeContact::Success(s) => {
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super::NodeContact::Success(time::UNIX_EPOCH + Duration::from_secs(s))
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}
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NodeContact::Failure(s) => {
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super::NodeContact::Failure(time::UNIX_EPOCH + Duration::from_secs(s))
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}
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}
|
|
}
|
|
}
|
|
|
|
#[derive(Serialize, Deserialize)]
|
|
pub struct Node {
|
|
pub url: String,
|
|
pub last_contact: Option<NodeContact>,
|
|
}
|
|
|
|
impl Node {
|
|
pub fn into_node(self) -> Option<super::Node> {
|
|
match super::Node::from_str(&self.url) {
|
|
Ok(mut node) => {
|
|
node.last_contact = self.last_contact.map(|c| c.into_node_contact());
|
|
Some(node)
|
|
}
|
|
_ => None,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a super::Node> for Node {
|
|
fn from(node: &'a super::Node) -> Self {
|
|
let last_contact = node.last_contact.and_then(|c| match c {
|
|
super::NodeContact::Success(t) => t
|
|
.duration_since(time::UNIX_EPOCH)
|
|
.ok()
|
|
.map(|d| NodeContact::Success(d.as_secs())),
|
|
super::NodeContact::Failure(t) => t
|
|
.duration_since(time::UNIX_EPOCH)
|
|
.ok()
|
|
.map(|d| NodeContact::Failure(d.as_secs())),
|
|
});
|
|
|
|
Node {
|
|
url: format!("{}", node),
|
|
last_contact,
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use ethereum_types::H512;
|
|
use ipnetwork::IpNetwork;
|
|
use std::{
|
|
net::{Ipv4Addr, SocketAddr, SocketAddrV4},
|
|
str::FromStr,
|
|
};
|
|
use tempdir::TempDir;
|
|
|
|
#[test]
|
|
fn endpoint_parse() {
|
|
let endpoint = NodeEndpoint::from_str("123.99.55.44:7770");
|
|
assert!(endpoint.is_ok());
|
|
let v4 = match endpoint.unwrap().address {
|
|
SocketAddr::V4(v4address) => v4address,
|
|
_ => panic!("should be v4 address"),
|
|
};
|
|
assert_eq!(SocketAddrV4::new(Ipv4Addr::new(123, 99, 55, 44), 7770), v4);
|
|
}
|
|
|
|
#[test]
|
|
fn endpoint_parse_empty_ip_string_returns_error() {
|
|
let endpoint = NodeEndpoint::from_str("");
|
|
assert!(endpoint.is_err());
|
|
assert_matches!(endpoint.unwrap_err().kind(), &ErrorKind::AddressParse);
|
|
}
|
|
|
|
#[test]
|
|
fn endpoint_parse_invalid_ip_string_returns_error() {
|
|
let endpoint = NodeEndpoint::from_str("beef");
|
|
assert!(endpoint.is_err());
|
|
assert_matches!(endpoint.unwrap_err().kind(), &ErrorKind::AddressParse);
|
|
}
|
|
|
|
#[test]
|
|
fn endpoint_parse_valid_ip_without_port_returns_error() {
|
|
let endpoint = NodeEndpoint::from_str("123.123.123.123");
|
|
assert!(endpoint.is_err());
|
|
assert_matches!(endpoint.unwrap_err().kind(), &ErrorKind::AddressParse);
|
|
let endpoint = NodeEndpoint::from_str("123.123.123.123:123");
|
|
assert!(endpoint.is_ok())
|
|
}
|
|
|
|
#[test]
|
|
fn node_parse() {
|
|
assert!(validate_node_url("enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").is_none());
|
|
let node = Node::from_str("enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770");
|
|
assert!(node.is_ok());
|
|
let node = node.unwrap();
|
|
let v4 = match node.endpoint.address {
|
|
SocketAddr::V4(v4address) => v4address,
|
|
_ => panic!("should ve v4 address"),
|
|
};
|
|
assert_eq!(SocketAddrV4::new(Ipv4Addr::new(22, 99, 55, 44), 7770), v4);
|
|
assert_eq!(
|
|
H512::from_str("a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap(),
|
|
node.id);
|
|
}
|
|
|
|
#[test]
|
|
fn node_parse_fails_for_invalid_urls() {
|
|
let node = Node::from_str("foo");
|
|
assert!(node.is_err());
|
|
assert_matches!(node.unwrap_err().kind(), &ErrorKind::AddressParse);
|
|
|
|
let node = Node::from_str("enode://foo@bar");
|
|
assert!(node.is_err());
|
|
assert_matches!(node.unwrap_err().kind(), &ErrorKind::AddressParse);
|
|
}
|
|
|
|
#[test]
|
|
fn table_last_contact_order() {
|
|
let node1 = Node::from_str("enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").unwrap();
|
|
let node2 = Node::from_str("enode://b979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").unwrap();
|
|
let node3 = Node::from_str("enode://c979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").unwrap();
|
|
let node4 = Node::from_str("enode://d979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").unwrap();
|
|
let node5 = Node::from_str("enode://e979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").unwrap();
|
|
let node6 = Node::from_str("enode://f979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").unwrap();
|
|
let id1 = H512::from_str("a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap();
|
|
let id2 = H512::from_str("b979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap();
|
|
let id3 = H512::from_str("c979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap();
|
|
let id4 = H512::from_str("d979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap();
|
|
let id5 = H512::from_str("e979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap();
|
|
let id6 = H512::from_str("f979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap();
|
|
let mut table = NodeTable::new(None);
|
|
|
|
table.add_node(node1);
|
|
table.add_node(node2);
|
|
table.add_node(node3);
|
|
table.add_node(node4);
|
|
table.add_node(node5);
|
|
table.add_node(node6);
|
|
|
|
// failures - nodes 1 & 2
|
|
table.note_failure(&id1);
|
|
table.note_failure(&id2);
|
|
|
|
// success - nodes 3 & 4
|
|
table.note_success(&id3);
|
|
table.note_success(&id4);
|
|
|
|
// success - node 5 (old contact)
|
|
table.get_mut(&id5).unwrap().last_contact = Some(NodeContact::Success(time::UNIX_EPOCH));
|
|
|
|
// unknown - node 6
|
|
|
|
// nodes are also ordered according to their addition time
|
|
//
|
|
// nanosecond precision lost since mac os x high sierra update so let's not compare their order
|
|
// https://github.com/paritytech/parity-ethereum/issues/9632
|
|
let r = table.nodes(&IpFilter::default());
|
|
|
|
// most recent success
|
|
assert!((r[0] == id4 && r[1] == id3) || (r[0] == id3 && r[1] == id4));
|
|
|
|
// unknown (old contacts and new nodes), randomly shuffled
|
|
assert!((r[2] == id5 && r[3] == id6) || (r[2] == id6 && r[3] == id5));
|
|
|
|
// oldest failure
|
|
assert!((r[4] == id1 && r[5] == id2) || (r[4] == id2 && r[5] == id1));
|
|
}
|
|
|
|
#[test]
|
|
fn table_save_load() {
|
|
let tempdir = TempDir::new("").unwrap();
|
|
let node1 = Node::from_str("enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").unwrap();
|
|
let node2 = Node::from_str("enode://b979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").unwrap();
|
|
let node3 = Node::from_str("enode://c979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@22.99.55.44:7770").unwrap();
|
|
let id1 = H512::from_str("a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap();
|
|
let id2 = H512::from_str("b979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap();
|
|
let id3 = H512::from_str("c979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c").unwrap();
|
|
|
|
{
|
|
let mut table = NodeTable::new(Some(tempdir.path().to_str().unwrap().to_owned()));
|
|
table.add_node(node1);
|
|
table.add_node(node2);
|
|
table.add_node(node3);
|
|
|
|
table.note_success(&id2);
|
|
table.note_failure(&id3);
|
|
}
|
|
|
|
{
|
|
let table = NodeTable::new(Some(tempdir.path().to_str().unwrap().to_owned()));
|
|
let r = table.nodes(&IpFilter::default());
|
|
assert_eq!(r[0][..], id2[..]); // latest success
|
|
assert_eq!(r[1][..], id1[..]); // unknown
|
|
assert_eq!(r[2][..], id3[..]); // oldest failure
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn custom_allow() {
|
|
let filter = IpFilter {
|
|
predefined: AllowIP::None,
|
|
custom_allow: vec![
|
|
IpNetwork::from_str(&"10.0.0.0/8").unwrap(),
|
|
IpNetwork::from_str(&"1.0.0.0/8").unwrap(),
|
|
],
|
|
custom_block: vec![],
|
|
};
|
|
assert!(!NodeEndpoint::from_str("123.99.55.44:7770")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
assert!(NodeEndpoint::from_str("10.0.0.1:7770")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
assert!(NodeEndpoint::from_str("1.0.0.55:5550")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
}
|
|
|
|
#[test]
|
|
fn custom_block() {
|
|
let filter = IpFilter {
|
|
predefined: AllowIP::All,
|
|
custom_allow: vec![],
|
|
custom_block: vec![
|
|
IpNetwork::from_str(&"10.0.0.0/8").unwrap(),
|
|
IpNetwork::from_str(&"1.0.0.0/8").unwrap(),
|
|
],
|
|
};
|
|
assert!(NodeEndpoint::from_str("123.99.55.44:7770")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
assert!(!NodeEndpoint::from_str("10.0.0.1:7770")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
assert!(!NodeEndpoint::from_str("1.0.0.55:5550")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
}
|
|
|
|
#[test]
|
|
fn custom_allow_ipv6() {
|
|
let filter = IpFilter {
|
|
predefined: AllowIP::None,
|
|
custom_allow: vec![IpNetwork::from_str(&"fc00::/8").unwrap()],
|
|
custom_block: vec![],
|
|
};
|
|
assert!(NodeEndpoint::from_str("[fc00::]:5550")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
assert!(!NodeEndpoint::from_str("[fd00::]:5550")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
}
|
|
|
|
#[test]
|
|
fn custom_block_ipv6() {
|
|
let filter = IpFilter {
|
|
predefined: AllowIP::All,
|
|
custom_allow: vec![],
|
|
custom_block: vec![IpNetwork::from_str(&"fc00::/8").unwrap()],
|
|
};
|
|
assert!(!NodeEndpoint::from_str("[fc00::]:5550")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
assert!(NodeEndpoint::from_str("[fd00::]:5550")
|
|
.unwrap()
|
|
.is_allowed(&filter));
|
|
}
|
|
}
|