Don't redownload queued blocks on restart

This commit is contained in:
arkpar 2016-03-12 14:54:44 +01:00
parent 16618094f5
commit 1e23a4c888
1 changed files with 7 additions and 6 deletions

View File

@ -298,8 +298,6 @@ impl ChainSync {
/// Restart sync
pub fn restart(&mut self, io: &mut SyncIo) {
self.reset();
self.last_imported_block = None;
self.last_imported_hash = None;
self.starting_block = 0;
self.highest_block = None;
self.have_common_block = false;
@ -366,7 +364,7 @@ impl ChainSync {
for i in 0..item_count {
let info: BlockHeader = try!(r.val_at(i));
let number = BlockNumber::from(info.number);
if number <= self.current_base_block() || self.headers.have_item(&number) {
if (number <= self.current_base_block() && self.have_common_block) || self.headers.have_item(&number) {
trace!(target: "sync", "Skipping existing block header");
continue;
}
@ -376,8 +374,8 @@ impl ChainSync {
}
let hash = info.hash();
match io.chain().block_status(BlockId::Hash(hash.clone())) {
BlockStatus::InChain => {
if self.current_base_block() < number {
BlockStatus::InChain | BlockStatus::Queued => {
if !self.have_common_block || self.current_base_block() < number {
self.last_imported_block = Some(number);
self.last_imported_hash = Some(hash.clone());
}
@ -706,7 +704,10 @@ impl ChainSync {
if !self.have_common_block {
// download backwards until common block is found 1 header at a time
let chain_info = io.chain().chain_info();
start = chain_info.best_block_number;
start = match self.last_imported_block {
Some(n) => n,
None => chain_info.best_block_number,
};
if !self.headers.is_empty() {
start = min(start, self.headers.range_iter().next().unwrap().0 - 1);
}