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Disconnect peers on a fork

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This commit is contained in:
arkpar 2016-12-03 16:02:13 +00:00
parent 268c6d15c0
commit a65a556239
2 changed files with 16 additions and 8 deletions
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8
sync/src/chain.rs
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@ -140,6 +140,8 @@ const HEADERS_TIMEOUT_SEC: f64 = 15f64;
const BODIES_TIMEOUT_SEC: f64 = 10f64;
const FORK_HEADER_TIMEOUT_SEC: f64 = 3f64;
const MAX_REORG_BLOCKS: u64 = 64;
#[derive(Copy, Clone, Eq, PartialEq, Debug)]
/// Sync state
pub enum SyncState {
@ -567,6 +569,12 @@ impl ChainSync {
trace!(target: "sync", "Received {} subchain heads, proceeding to download", headers.len());
self.blocks.reset_to(hashes);
self.state = SyncState::Blocks;
} else {
let best = io.chain().chain_info().best_block_number;
if best > self.last_imported_block && best - self.last_imported_block > MAX_REORG_BLOCKS {
trace!(target: "sync", "No common block, disabling peer");
io.disable_peer(peer_id);
}
}
},
SyncState::Blocks | SyncState::NewBlocks | SyncState::Waiting => {

16
sync/src/tests/chain.rs
View File

@ -78,14 +78,14 @@ fn empty_blocks() {
fn forked() {
::env_logger::init().ok();
let mut net = TestNet::new(3);
net.peer_mut(0).chain.add_blocks(300, EachBlockWith::Uncle);
net.peer_mut(1).chain.add_blocks(300, EachBlockWith::Uncle);
net.peer_mut(2).chain.add_blocks(300, EachBlockWith::Uncle);
net.peer_mut(0).chain.add_blocks(100, EachBlockWith::Nothing); //fork
net.peer_mut(1).chain.add_blocks(200, EachBlockWith::Uncle);
net.peer_mut(2).chain.add_blocks(200, EachBlockWith::Uncle);
net.peer_mut(1).chain.add_blocks(100, EachBlockWith::Uncle); //fork between 1 and 2
net.peer_mut(2).chain.add_blocks(10, EachBlockWith::Nothing);
net.peer_mut(0).chain.add_blocks(30, EachBlockWith::Uncle);
net.peer_mut(1).chain.add_blocks(30, EachBlockWith::Uncle);
net.peer_mut(2).chain.add_blocks(30, EachBlockWith::Uncle);
net.peer_mut(0).chain.add_blocks(10, EachBlockWith::Nothing); //fork
net.peer_mut(1).chain.add_blocks(20, EachBlockWith::Uncle);
net.peer_mut(2).chain.add_blocks(20, EachBlockWith::Uncle);
net.peer_mut(1).chain.add_blocks(10, EachBlockWith::Uncle); //fork between 1 and 2
net.peer_mut(2).chain.add_blocks(1, EachBlockWith::Nothing);
// peer 1 has the best chain of 601 blocks
let peer1_chain = net.peer(1).chain.numbers.read().clone();
net.sync();