Do not request orphan predecessor if we have its header. Shows we're already on it (sync).

This commit is contained in:
Ignotus Peverell 2018-03-19 22:17:59 +00:00
parent 154d52e548
commit cd72be893e
No known key found for this signature in database
GPG key ID: 99CD25F39F8F8211

View file

@ -388,9 +388,11 @@ impl NetToChainAdapter {
Ok(_) => true, Ok(_) => true,
Err(chain::Error::Orphan) => { Err(chain::Error::Orphan) => {
// make sure we did not miss the parent block // make sure we did not miss the parent block
if !self.currently_syncing.load(Ordering::Relaxed) && !chain.is_orphan(&prev_hash) { if !chain.is_orphan(&prev_hash) {
debug!(LOGGER, "adapter: process_block: received an orphan block, checking the parent: {:}", prev_hash); if let Err(_) = chain.get_block_header(&prev_hash) {
self.request_block_by_hash(prev_hash, &addr) debug!(LOGGER, "adapter: process_block: received an orphan block, checking the parent: {:}", prev_hash);
self.request_block_by_hash(prev_hash, &addr)
}
} }
true true
} }
@ -415,8 +417,6 @@ impl NetToChainAdapter {
// After receiving a compact block if we cannot successfully hydrate // After receiving a compact block if we cannot successfully hydrate
// it into a full block then fallback to requesting the full block // it into a full block then fallback to requesting the full block
// from the same peer that gave us the compact block // from the same peer that gave us the compact block
//
// TODO - currently only request block from a single peer
// consider additional peers for redundancy? // consider additional peers for redundancy?
fn request_block(&self, bh: &BlockHeader, addr: &SocketAddr) { fn request_block(&self, bh: &BlockHeader, addr: &SocketAddr) {
self.request_block_by_hash(bh.hash(), addr) self.request_block_by_hash(bh.hash(), addr)
@ -429,9 +429,6 @@ impl NetToChainAdapter {
// After we have received a block header in "header first" propagation // After we have received a block header in "header first" propagation
// we need to go request the block (compact representation) from the // we need to go request the block (compact representation) from the
// same peer that gave us the header (unless we have already accepted the block) // same peer that gave us the header (unless we have already accepted the block)
//
// TODO - currently only request block from a single peer
// consider additional peers for redundancy?
fn request_compact_block(&self, bh: &BlockHeader, addr: &SocketAddr) { fn request_compact_block(&self, bh: &BlockHeader, addr: &SocketAddr) {
self.send_block_request_to_peer(bh.hash(), addr, |peer, h| { self.send_block_request_to_peer(bh.hash(), addr, |peer, h| {
peer.send_compact_block_request(h) peer.send_compact_block_request(h)
@ -443,24 +440,24 @@ impl NetToChainAdapter {
F: Fn(&p2p::Peer, Hash) -> Result<(), p2p::Error>, F: Fn(&p2p::Peer, Hash) -> Result<(), p2p::Error>,
{ {
match w(&self.chain).block_exists(h) { match w(&self.chain).block_exists(h) {
Ok(false) => { Ok(false) => {
match wo(&self.peers).get_connected_peer(addr) { match wo(&self.peers).get_connected_peer(addr) {
None => debug!(LOGGER, "send_block_request_to_peer: can't send request to peer {:?}, not connected", addr), None => debug!(LOGGER, "send_block_request_to_peer: can't send request to peer {:?}, not connected", addr),
Some(peer) => { Some(peer) => {
match peer.read() { match peer.read() {
Err(e) => debug!(LOGGER, "send_block_request_to_peer: can't send request to peer {:?}, read fails: {:?}", addr, e), Err(e) => debug!(LOGGER, "send_block_request_to_peer: can't send request to peer {:?}, read fails: {:?}", addr, e),
Ok(p) => { Ok(p) => {
if let Err(e) = f(&p, h) { if let Err(e) = f(&p, h) {
error!(LOGGER, "send_block_request_to_peer: failed: {:?}", e) error!(LOGGER, "send_block_request_to_peer: failed: {:?}", e)
} }
} }
} }
} }
} }
} }
Ok(true) => debug!(LOGGER, "send_block_request_to_peer: block {} already known", h), Ok(true) => debug!(LOGGER, "send_block_request_to_peer: block {} already known", h),
Err(e) => error!(LOGGER, "send_block_request_to_peer: failed to check block exists: {:?}", e) Err(e) => error!(LOGGER, "send_block_request_to_peer: failed to check block exists: {:?}", e)
} }
} }
/// Prepare options for the chain pipeline /// Prepare options for the chain pipeline