mirror of
https://gitlab.com/pulsechaincom/lighthouse-pulse.git
synced 2025-01-09 20:41:22 +00:00
661ef65de8
* Add intermediate structures for bytes conversion * Expose byte conversion methods from `Eth1Service` * Add eth1 ssz containers * Fix type errors * Load eth1 cache on restart * Fix compile errors * Update Cargo.lock * Add comments and minor formatting * Add test for eth1 cache persistence * Restrict Deposit and Block cache field visibility * Add checks * Fix `SszDepositCache` check * Implement Encode/Decode directly on `BlockCache`
86 lines
2.6 KiB
Rust
86 lines
2.6 KiB
Rust
use crate::Config;
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use crate::{
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block_cache::BlockCache,
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deposit_cache::{DepositCache, SszDepositCache},
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};
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use parking_lot::RwLock;
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use ssz::{Decode, Encode};
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use ssz_derive::{Decode, Encode};
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#[derive(Default)]
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pub struct DepositUpdater {
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pub cache: DepositCache,
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pub last_processed_block: Option<u64>,
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}
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impl DepositUpdater {
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pub fn new(deposit_contract_deploy_block: u64) -> Self {
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let cache = DepositCache::new(deposit_contract_deploy_block);
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DepositUpdater {
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cache,
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last_processed_block: None,
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}
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}
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}
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#[derive(Default)]
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pub struct Inner {
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pub block_cache: RwLock<BlockCache>,
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pub deposit_cache: RwLock<DepositUpdater>,
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pub config: RwLock<Config>,
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}
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impl Inner {
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/// Prunes the block cache to `self.target_block_cache_len`.
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///
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/// Is a no-op if `self.target_block_cache_len` is `None`.
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pub fn prune_blocks(&self) {
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if let Some(block_cache_truncation) = self.config.read().block_cache_truncation {
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self.block_cache.write().truncate(block_cache_truncation);
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}
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}
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/// Encode the eth1 block and deposit cache as bytes.
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pub fn as_bytes(&self) -> Vec<u8> {
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let ssz_eth1_cache = SszEth1Cache::from_inner(&self);
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ssz_eth1_cache.as_ssz_bytes()
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}
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/// Recover `Inner` given byte representation of eth1 deposit and block caches.
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pub fn from_bytes(bytes: &[u8], config: Config) -> Result<Self, String> {
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let ssz_cache = SszEth1Cache::from_ssz_bytes(bytes)
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.map_err(|e| format!("Ssz decoding error: {:?}", e))?;
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Ok(ssz_cache.to_inner(config)?)
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}
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}
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#[derive(Encode, Decode, Clone)]
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pub struct SszEth1Cache {
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block_cache: BlockCache,
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deposit_cache: SszDepositCache,
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last_processed_block: Option<u64>,
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}
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impl SszEth1Cache {
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pub fn from_inner(inner: &Inner) -> Self {
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let deposit_updater = inner.deposit_cache.read();
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let block_cache = inner.block_cache.read();
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Self {
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block_cache: (*block_cache).clone(),
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deposit_cache: SszDepositCache::from_deposit_cache(&deposit_updater.cache),
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last_processed_block: deposit_updater.last_processed_block,
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}
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}
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pub fn to_inner(&self, config: Config) -> Result<Inner, String> {
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Ok(Inner {
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block_cache: RwLock::new(self.block_cache.clone()),
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deposit_cache: RwLock::new(DepositUpdater {
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cache: self.deposit_cache.to_deposit_cache()?,
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last_processed_block: self.last_processed_block,
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}),
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config: RwLock::new(config),
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})
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}
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}
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