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refactor: improve checkpoint-sync algorithm #1277

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Merged
merged 4 commits into from
Aug 19, 2024
Merged

refactor: improve checkpoint-sync algorithm #1277

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060748c
fix: update head_root correctly
avilagaston9 Aug 15, 2024
3fc4291
feat: download only missing blocks
avilagaston9 Aug 15, 2024
15392a8
Merge branch 'main' into recursive-checkpoint-sync
avilagaston9 Aug 16, 2024
8bae6b7
refactor: restore sync delay
avilagaston9 Aug 16, 2024
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2 changes: 1 addition & 1 deletion lib/lambda_ethereum_consensus/beacon/store_setup.ex
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Expand Up @@ -38,7 +38,7 @@ defmodule LambdaEthereumConsensus.Beacon.StoreSetup do
end

@doc """
Gets a {store, genesis_validators_root} tuple with the configured strategy.
Gets a store with the configured strategy.
"""
@spec setup!() :: Store.t()
def setup!(), do: setup!(get_strategy!())
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6 changes: 2 additions & 4 deletions lib/lambda_ethereum_consensus/beacon/sync_blocks.ex
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Expand Up @@ -8,7 +8,6 @@ defmodule LambdaEthereumConsensus.Beacon.SyncBlocks do
alias LambdaEthereumConsensus.ForkChoice
alias LambdaEthereumConsensus.Libp2pPort
alias LambdaEthereumConsensus.P2P.BlockDownloader
alias LambdaEthereumConsensus.StateTransition.Misc

@blocks_per_chunk 16
@retries 50
Expand All @@ -23,9 +22,8 @@ defmodule LambdaEthereumConsensus.Beacon.SyncBlocks do
"""
@spec run() :: non_neg_integer()
def run() do
# Initial sleep for faster app start
checkpoint = ForkChoice.get_finalized_checkpoint()
initial_slot = Misc.compute_start_slot_at_epoch(checkpoint.epoch) + 1
%{head_slot: head_slot} = ForkChoice.get_current_status_message()
initial_slot = head_slot + 1
last_slot = ForkChoice.get_current_chain_slot()

# If we're around genesis, we consider ourselves synced
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2 changes: 1 addition & 1 deletion lib/lambda_ethereum_consensus/fork_choice/fork_choice.ex
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Expand Up @@ -176,7 +176,7 @@ defmodule LambdaEthereumConsensus.ForkChoice do
Logger.info("Pruning states before slot #{new_finalized_epoch}")

new_finalized_slot =
new_finalized_epoch * ChainSpec.get("SLOTS_PER_EPOCH")
Misc.compute_start_slot_at_epoch(new_finalized_epoch)

Task.Supervisor.start_child(
PruneStatesSupervisor,
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