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fix: panic at get_locator (#1711)

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Gary Yu 2018-10-10 16:48:41 +08:00 committed by GitHub
parent 0a96949fd6
commit 009baa1b91
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 9 deletions
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5
servers/src/grin/sync/header_sync.rs
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@ -240,8 +240,8 @@ impl HeaderSync {
let shrink_index = self let shrink_index = self
.history_locators .history_locators
.iter() .iter()
.position(|&r| r.0 > shrink_height) .position(|&r| r.0 > shrink_height);
.unwrap(); if let Some(shrink_index) = shrink_index {
if shrink_index > 100 { if shrink_index > 100 {
// shrink but avoid trivial shrinking // shrink but avoid trivial shrinking
let mut shrunk = self.history_locators[shrink_index..].to_vec(); let mut shrunk = self.history_locators[shrink_index..].to_vec();
@ -250,6 +250,7 @@ impl HeaderSync {
self.history_locators.push((0, locator[locator.len() - 1])); self.history_locators.push((0, locator[locator.len() - 1]));
self.history_locators.append(&mut shrunk); self.history_locators.append(&mut shrunk);
} }
}
debug!( debug!(
LOGGER, LOGGER,
"sync: history locators: len={}, shrunk={}", "sync: history locators: len={}, shrunk={}",