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Update BeaconChain iters

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This commit is contained in:
Paul Hauner
2019-06-06 00:27:17 -04:00
parent df366f99dc
commit ed9f655877
2 changed files with 40 additions and 8 deletions
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17
beacon_node/beacon_chain/src/beacon_chain.rs
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@@ -1,8 +1,8 @@
use crate::checkpoint::CheckPoint;
use crate::errors::{BeaconChainError as Error, BlockProductionError};
use crate::iter::{BlockIterator, BlockRootsIterator};
use crate::metrics::Metrics;
use crate::persisted_beacon_chain::{PersistedBeaconChain, BEACON_CHAIN_DB_KEY};
use crate::iter::BlockRootsIterator;
use fork_choice::{ForkChoice, ForkChoiceError};
use log::{debug, trace};
use operation_pool::DepositInsertStatus;
@@ -226,15 +226,24 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
Ok(headers?)
}
/// Iterate in reverse (highest to lowest slot) through all blocks from the block at `slot`
/// through to the genesis block.
///
/// Returns `None` for headers prior to genesis or when there is an error reading from `Store`.
///
/// Contains duplicate headers when skip slots are encountered.
pub fn rev_iter_blocks(&self, slot: Slot) -> BlockIterator<T::EthSpec, T::Store> {
BlockIterator::new(self.store.clone(), self.state.read().clone(), slot)
}
/// Iterate in reverse through all block roots starting from the current state, through to
/// Iterates in reverse (highest to lowest slot) through all block roots from `slot` through to
/// genesis.
///
/// Returns `None` for roots prior to genesis or when there is an error reading from `Store`.
///
/// Contains duplicate roots when skip slots are encountered.
pub fn iter_block_roots(&self) -> BlockRootsIterator<T::EthSpec, T::Store> {
BlockRootsIterator::from_state(self.store.clone(), self.state.read().clone())
pub fn rev_iter_block_roots(&self, slot: Slot) -> BlockRootsIterator<T::EthSpec, T::Store> {
BlockRootsIterator::new(self.store.clone(), self.state.read().clone(), slot)
}
/*