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Drop the block cache after genesis

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Paul Hauner
2019-11-25 18:19:55 +11:00
parent ebfa1f53d6
commit aebf7d38e0
2 changed files with 16 additions and 0 deletions
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11
beacon_node/client/src/builder.rs
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@@ -591,6 +591,17 @@ where
let backend = if let Some(eth1_service_from_genesis) = self.eth1_service {
eth1_service_from_genesis.update_config(config.clone())?;
// This cache is not useful because it's first (earliest) block likely the block that
// triggered genesis.
//
// In order to vote we need to be able to go back at least 2 * `ETH1_FOLLOW_DISTANCE`
// from the genesis-triggering block. Presently the block cache does not support
// importing blocks with decreasing block numbers, it only accepts them in increasing
// order. If this turns out to be a bottleneck we can update the block cache to allow
// adding earlier blocks too.
eth1_service_from_genesis.drop_block_cache();
CachingEth1Backend::from_service(eth1_service_from_genesis, store)
} else {
CachingEth1Backend::new(config, context.log, store)