use std::sync::{Arc, Mutex};
use std::sync::atomic::{Ordering, AtomicBool};
use std::time::{Duration, Instant};
-use std::net::SocketAddr;
+use std::net::{SocketAddr, ToSocketAddrs};
use bitcoin_hashes::sha256d;
+use bitcoin::blockdata::block::Block;
use bitcoin::blockdata::constants::genesis_block;
use bitcoin::network::constants::Network;
use bitcoin::network::message::NetworkMessage;
use tokio::prelude::*;
use tokio::timer::Delay;
+static mut REQUEST_BLOCK: Option<Box<Mutex<Arc<(u64, sha256d::Hash, Block)>>>> = None;
static mut HIGHEST_HEADER: Option<Box<Mutex<(sha256d::Hash, u64)>>> = None;
static mut HEADER_MAP: Option<Box<Mutex<HashMap<sha256d::Hash, u64>>>> = None;
static mut HEIGHT_MAP: Option<Box<Mutex<HashMap<u64, sha256d::Hash>>>> = None;
static SCANNING: AtomicBool = AtomicBool::new(false);
struct PeerState {
- request: (u64, sha256d::Hash),
+ request: Arc<(u64, sha256d::Hash, Block)>,
node_services: u64,
msg: (String, bool),
fail_reason: AddressState,
node_services: 0,
fail_reason: AddressState::Timeout,
msg: (String::new(), false),
- request: (0, Default::default()),
+ request: Arc::clone(&unsafe { REQUEST_BLOCK.as_ref().unwrap() }.lock().unwrap()),
}));
let final_peer_state = Arc::clone(&peer_state);
Peer::new(node.clone(), Duration::from_secs(timeout), printer)
});
tokio::spawn(peer.and_then(move |(mut write, read)| {
- let requested_height = unsafe { HIGHEST_HEADER.as_ref().unwrap() }.lock().unwrap().1 - 1008;
- let requested_block = unsafe { HEIGHT_MAP.as_ref().unwrap() }.lock().unwrap().get(&requested_height).unwrap().clone();
- peer_state.lock().unwrap().request = (requested_height, requested_block);
-
TimeoutStream::new_timeout(read, scan_time + Duration::from_secs(store.get_u64(U64Setting::RunTimeout))).map_err(|_| { () }).for_each(move |msg| {
let mut state_lock = peer_state.lock().unwrap();
macro_rules! check_set_flag {
unsafe { DATA_STORE.as_ref().unwrap() }.add_fresh_nodes(&addrs);
},
NetworkMessage::Block(block) => {
- if block.header.bitcoin_hash() != state_lock.request.1 ||
- !block.check_merkle_root() || !block.check_witness_commitment() {
+ if block != state_lock.request.2 {
state_lock.fail_reason = AddressState::ProtocolViolation;
state_lock.msg = ("ProtocolViolation due to bad block".to_string(), true);
return future::err(());
let old_state = store.set_node_state(node, state_lock.fail_reason, 0);
if old_state != state_lock.fail_reason && state_lock.msg.0 != "" && state_lock.msg.1 {
printer.add_line(format!("Updating {} from {} to {}", node, old_state.to_str(), &state_lock.msg.0), state_lock.msg.1);
+ } else if old_state != state_lock.fail_reason && state_lock.fail_reason == AddressState::TimeoutDuringRequest {
+ printer.add_line(format!("Updating {} from {} to Timeout During Request (ver: {}, vack: {}, addr: {}, block: {})",
+ node, old_state.to_str(), state_lock.recvd_version, state_lock.recvd_verack, state_lock.recvd_addrs, state_lock.recvd_block), true);
}
}
future::ok(())
}));
}
+fn poll_dnsseeds() {
+ tokio::spawn(future::lazy(|| {
+ let printer = unsafe { PRINTER.as_ref().unwrap() };
+ let store = unsafe { DATA_STORE.as_ref().unwrap() };
+
+ let mut new_addrs = 0;
+ for seed in ["seed.bitcoin.sipa.be", "dnsseed.bitcoin.dashjr.org", "seed.bitcoinstats.com", "seed.bitcoin.jonasschnelli.ch", "seed.btc.petertodd.org", "seed.bitcoin.sprovoost.nl", "dnsseed.emzy.de"].iter() {
+ new_addrs += store.add_fresh_addrs((*seed, 8333u16).to_socket_addrs().unwrap_or(Vec::new().into_iter()));
+ new_addrs += store.add_fresh_addrs((("x9.".to_string() + seed).as_str(), 8333u16).to_socket_addrs().unwrap_or(Vec::new().into_iter()));
+ }
+ printer.add_line(format!("Added {} new addresses from other DNS seeds", new_addrs), false);
+ Delay::new(Instant::now() + Duration::from_secs(60)).then(|_| {
+ if !START_SHUTDOWN.load(Ordering::Relaxed) {
+ poll_dnsseeds();
+ }
+ future::ok(())
+ })
+ }));
+}
+
fn scan_net() {
tokio::spawn(future::lazy(|| {
let store = unsafe { DATA_STORE.as_ref().unwrap() };
+
let mut scan_nodes = store.get_next_scan_nodes();
let per_iter_time = Duration::from_millis(1000 / store.get_u64(U64Setting::ConnsPerSec));
let start_time = Instant::now();
}
let mut header_map = unsafe { HEADER_MAP.as_ref().unwrap() }.lock().unwrap();
let mut height_map = unsafe { HEIGHT_MAP.as_ref().unwrap() }.lock().unwrap();
+
if let Some(height) = header_map.get(&headers[0].prev_blockhash).cloned() {
for i in 0..headers.len() {
let hash = headers[i].bitcoin_hash();
header_map.insert(headers[i].bitcoin_hash(), height + 1 + (i as u64));
height_map.insert(height + 1 + (i as u64), headers[i].bitcoin_hash());
}
+
let top_height = height + headers.len() as u64;
*unsafe { HIGHEST_HEADER.as_ref().unwrap() }.lock().unwrap()
= (headers.last().unwrap().bitcoin_hash(), top_height);
printer.set_stat(printer::Stat::HeaderCount(top_height));
+
if top_height >= starting_height as u64 {
- if !SCANNING.swap(true, Ordering::SeqCst) {
- scan_net();
+ if let Err(_) = trusted_write.try_send(NetworkMessage::GetData(vec![Inventory {
+ inv_type: InvType::WitnessBlock,
+ hash: height_map.get(&(top_height - 1008)).unwrap().clone(),
+ }])) {
+ return future::err(());
}
}
} else {
return future::err(())
}
},
+ NetworkMessage::Block(block) => {
+ let hash = block.header.bitcoin_hash();
+ let header_map = unsafe { HEADER_MAP.as_ref().unwrap() }.lock().unwrap();
+ let height = *header_map.get(&hash).expect("Got loose block from trusted peer we coulnd't have requested");
+ if height == unsafe { HIGHEST_HEADER.as_ref().unwrap() }.lock().unwrap().1 - 1008 {
+ *unsafe { REQUEST_BLOCK.as_ref().unwrap() }.lock().unwrap() = Arc::new((height, hash, block));
+ if !SCANNING.swap(true, Ordering::SeqCst) {
+ scan_net();
+ poll_dnsseeds();
+ }
+ }
+ },
NetworkMessage::Ping(v) => {
if let Err(_) = trusted_write.try_send(NetworkMessage::Pong(v)) {
return future::err(())
return;
}
- unsafe { HEADER_MAP = Some(Box::new(Mutex::new(HashMap::new()))) };
- unsafe { HEIGHT_MAP = Some(Box::new(Mutex::new(HashMap::new()))) };
+ unsafe { HEADER_MAP = Some(Box::new(Mutex::new(HashMap::with_capacity(600000)))) };
+ unsafe { HEIGHT_MAP = Some(Box::new(Mutex::new(HashMap::with_capacity(600000)))) };
unsafe { HEADER_MAP.as_ref().unwrap() }.lock().unwrap().insert(genesis_block(Network::Bitcoin).bitcoin_hash(), 0);
unsafe { HEIGHT_MAP.as_ref().unwrap() }.lock().unwrap().insert(0, genesis_block(Network::Bitcoin).bitcoin_hash());
unsafe { HIGHEST_HEADER = Some(Box::new(Mutex::new((genesis_block(Network::Bitcoin).bitcoin_hash(), 0)))) };
+ unsafe { REQUEST_BLOCK = Some(Box::new(Mutex::new(Arc::new((0, genesis_block(Network::Bitcoin).bitcoin_hash(), genesis_block(Network::Bitcoin)))))) };
tokio::run(future::lazy(|| {
let mut args = env::args();
projects / dnsseed-rust / blobdiff