Panic if the lookahead limit is misconfigured (#1589)

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teor 2021-01-14 14:06:30 +10:00 committed by GitHub
parent 92d95d4be5
commit 9cdf41f5f4
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1 changed files with 6 additions and 7 deletions

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@ -214,16 +214,15 @@ where
// We apply a timeout to the verifier to avoid hangs due to missing earlier blocks.
let verifier = Timeout::new(verifier, BLOCK_VERIFY_TIMEOUT);
// Warn the user if we're ignoring their configured lookahead limit
let lookahead_limit = if config.sync.lookahead_limit < MIN_LOOKAHEAD_LIMIT {
tracing::warn!(config_lookahead_limit = ?config.sync.lookahead_limit, ?MIN_LOOKAHEAD_LIMIT,
"configured lookahead limit too low: using minimum lookahead limit");
assert!(
config.sync.lookahead_limit >= MIN_LOOKAHEAD_LIMIT,
"configured lookahead limit {} too low, must be at least {}",
config.sync.lookahead_limit,
MIN_LOOKAHEAD_LIMIT
} else {
config.sync.lookahead_limit
};
);
Self {
genesis_hash: genesis_hash(config.network.network),
lookahead_limit,
lookahead_limit: config.sync.lookahead_limit,
tip_network,
downloads: Box::pin(Downloads::new(block_network, verifier)),
state,