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fix: Prevent stale nodes from updating chain head (#208)

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This commit is contained in:
Maciej Hirsz
2019-12-06 13:30:30 +01:00
committed by GitHub
parent 516fb0376d
commit f2fc89e374
2 changed files with 50 additions and 35 deletions
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backend/src/node.rs
+20 -13
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@@ -97,24 +97,31 @@ impl Node {
&self.best
}
pub fn update_block(&mut self, block: Block, timestamp: u64, propagation_time: Option<u64>) -> Option<&BlockDetails> {
pub fn update_block(&mut self, block: Block) -> bool {
if block.height > self.best.block.height {
self.stale = false;
self.best.block = block;
self.best.block_time = timestamp - self.best.block_timestamp;
self.best.block_timestamp = timestamp;
self.best.propagation_time = propagation_time;
if self.throttle < timestamp {
if self.best.block_time <= THROTTLE_THRESHOLD {
self.throttle = timestamp + THROTTLE_INTERVAL;
}
return Some(&self.best);
}
true
} else {
false
}
}
None
pub fn update_details(&mut self, timestamp: u64, propagation_time: Option<u64>) -> Option<&BlockDetails> {
self.best.block_time = timestamp - self.best.block_timestamp;
self.best.block_timestamp = timestamp;
self.best.propagation_time = propagation_time;
if self.throttle < timestamp {
if self.best.block_time <= THROTTLE_THRESHOLD {
self.throttle = timestamp + THROTTLE_INTERVAL;
}
Some(&self.best)
} else {
None
}
}
pub fn update_hardware(&mut self, interval: &SystemInterval) -> bool {