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a290a3c537
## Issue Addressed Successor to #2431 ## Proposed Changes * Add a `BlockReplayer` struct to abstract over the intricacies of calling `per_slot_processing` and `per_block_processing` while avoiding unnecessary tree hashing. * Add a variant of the forwards state root iterator that does not require an `end_state`. * Use the `BlockReplayer` when reconstructing states in the database. Use the efficient forwards iterator for frozen states. * Refactor the iterators to remove `Arc<HotColdDB>` (this seems to be neater than making _everything_ an `Arc<HotColdDB>` as I did in #2431). Supplying the state roots allow us to avoid building a tree hash cache at all when reconstructing historic states, which saves around 1 second flat (regardless of `slots-per-restore-point`). This is a small percentage of worst-case state load times with 200K validators and SPRP=2048 (~15s vs ~16s) but a significant speed-up for more frequent restore points: state loads with SPRP=32 should be now consistently <500ms instead of 1.5s (a ~3x speedup). ## Additional Info Required by https://github.com/sigp/lighthouse/pull/2628
43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
// Clippy lint set-up (disabled in tests)
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#![cfg_attr(
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not(test),
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deny(
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clippy::integer_arithmetic,
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clippy::disallowed_method,
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clippy::indexing_slicing,
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clippy::unwrap_used,
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clippy::expect_used,
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clippy::panic,
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clippy::let_underscore_must_use
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)
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)]
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#[macro_use]
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mod macros;
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mod metrics;
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pub mod block_replayer;
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pub mod common;
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pub mod genesis;
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pub mod per_block_processing;
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pub mod per_epoch_processing;
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pub mod per_slot_processing;
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pub mod state_advance;
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pub mod upgrade;
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pub mod verify_operation;
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pub use block_replayer::{BlockReplayError, BlockReplayer, StateRootStrategy};
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pub use genesis::{
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eth2_genesis_time, initialize_beacon_state_from_eth1, is_valid_genesis_state,
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process_activations,
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};
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pub use per_block_processing::{
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block_signature_verifier, errors::BlockProcessingError, per_block_processing, signature_sets,
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BlockSignatureStrategy, BlockSignatureVerifier, VerifyBlockRoot, VerifySignatures,
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};
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pub use per_epoch_processing::{
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errors::EpochProcessingError, process_epoch as per_epoch_processing,
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};
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pub use per_slot_processing::{per_slot_processing, Error as SlotProcessingError};
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pub use verify_operation::{SigVerifiedOp, VerifyOperation};
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