Avoiding possible overflow when block number gets smaller.

This commit is contained in:
Tomasz Drwięga 2016-03-20 12:18:41 +01:00 committed by arkpar
parent 6e666ecac7
commit a36ac996a0
1 changed files with 2 additions and 2 deletions

View File

@ -154,8 +154,8 @@ impl MinerService for Miner {
let should_disable_sealing = {
let current_no = chain.chain_info().best_block_number;
let last_request = self.sealing_block_last_request.lock().unwrap();
current_no - *last_request > SEALING_TIMEOUT_IN_BLOCKS
let is_greater = current_no > *last_request;
is_greater && current_no - *last_request > SEALING_TIMEOUT_IN_BLOCKS
};
if should_disable_sealing {