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Add untested minimum viable block processing

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This commit is contained in:
Paul Hauner
2018-10-29 20:29:15 +01:00
parent e27c4106e9
commit 46da9b670f
21 changed files with 891 additions and 465 deletions
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61
beacon_chain/chain/src/block_context.rs
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@@ -1,22 +1,10 @@
use db::{
ClientDB,
};
use db::stores::{
BeaconBlockAtSlotError,
};
use validation::block_validation::{
BeaconBlockValidationContext,
};
use super::{
BeaconChain,
};
use ssz_helpers::ssz_beacon_block::{
SszBeaconBlock,
};
use super::BeaconChain;
use db::stores::BeaconBlockAtSlotError;
use db::ClientDB;
use ssz_helpers::ssz_beacon_block::SszBeaconBlock;
use std::sync::Arc;
use types::{
Hash256,
};
use types::Hash256;
use validation::block_validation::BeaconBlockValidationContext;
pub enum BlockValidationContextError {
UnknownCrystallizedState,
@@ -35,18 +23,24 @@ impl From<BeaconBlockAtSlotError> for BlockValidationContextError {
}
impl<T> BeaconChain<T>
where T: ClientDB + Sized
where
T: ClientDB + Sized,
{
pub(crate) fn block_validation_context(&self, block: &SszBeaconBlock, present_slot: u64)
-> Result<BeaconBlockValidationContext<T>, BlockValidationContextError>
{
pub(crate) fn block_validation_context(
&self,
block: &SszBeaconBlock,
parent_block: &SszBeaconBlock,
present_slot: u64,
) -> Result<BeaconBlockValidationContext<T>, BlockValidationContextError> {
/*
* Load the crystallized state for this block from our caches.
*
* Fail if the crystallized state is unknown.
*/
let cry_state_root = Hash256::from(block.cry_state_root());
let cry_state = self.crystallized_states.get(&cry_state_root)
let cry_state_root = Hash256::from(parent_block.cry_state_root());
let cry_state = self
.crystallized_states
.get(&cry_state_root)
.ok_or(BlockValidationContextError::UnknownCrystallizedState)?;
/*
@@ -54,8 +48,10 @@ impl<T> BeaconChain<T>
*
* Fail if the active state is unknown.
*/
let act_state_root = Hash256::from(block.act_state_root());
let act_state = self.active_states.get(&act_state_root)
let act_state_root = Hash256::from(parent_block.act_state_root());
let act_state = self
.active_states
.get(&act_state_root)
.ok_or(BlockValidationContextError::UnknownActiveState)?;
/*
@@ -63,16 +59,21 @@ impl<T> BeaconChain<T>
* the hash of this block from the database
*/
let last_justified_slot = cry_state.last_justified_slot;
let parent_block_hash = block.parent_hash()
let parent_block_hash = block
.parent_hash()
.ok_or(BlockValidationContextError::NoParentHash)?;
let (last_justified_block_hash, _) = self.store.block.block_at_slot(
&parent_block_hash, last_justified_slot)?
let (last_justified_block_hash, _) = self
.store
.block
.block_at_slot(&parent_block_hash, last_justified_slot)?
.ok_or(BlockValidationContextError::UnknownJustifiedBlock)?;
/*
* Load the attester and proposer maps for the crystallized state.
*/
let (attester_map, proposer_map) = self.attester_proposer_maps.get(&cry_state_root)
let (attester_map, proposer_map) = self
.attester_proposer_maps
.get(&cry_state_root)
.ok_or(BlockValidationContextError::UnknownAttesterProposerMaps)?;
Ok(BeaconBlockValidationContext {