lighthouse/beacon_node/beacon_chain/src/errors.rs
Michael Sproul f36a5a15d6
Store states efficiently in the hot database (#746)
* Sparse hot DB and block root tree

* Fix store_tests

* Ensure loads of hot states on boundaries are fast

* Milder error for unaligned finalized blocks
2020-01-08 13:58:01 +11:00

79 lines
2.5 KiB
Rust

use crate::eth1_chain::Error as Eth1ChainError;
use crate::fork_choice::Error as ForkChoiceError;
use ssz_types::Error as SszTypesError;
use state_processing::per_block_processing::errors::AttestationValidationError;
use state_processing::BlockProcessingError;
use state_processing::SlotProcessingError;
use std::time::Duration;
use store::block_root_tree::BlockRootTreeError;
use types::*;
macro_rules! easy_from_to {
($from: ident, $to: ident) => {
impl From<$from> for $to {
fn from(e: $from) -> $to {
$to::$from(e)
}
}
};
}
#[derive(Debug, PartialEq)]
pub enum BeaconChainError {
InsufficientValidators,
UnableToReadSlot,
RevertedFinalizedEpoch {
previous_epoch: Epoch,
new_epoch: Epoch,
},
SlotClockDidNotStart,
NoStateForSlot(Slot),
UnableToFindTargetRoot(Slot),
BeaconStateError(BeaconStateError),
DBInconsistent(String),
DBError(store::Error),
ForkChoiceError(ForkChoiceError),
MissingBeaconBlock(Hash256),
MissingBeaconState(Hash256),
SlotProcessingError(SlotProcessingError),
UnableToAdvanceState(String),
NoStateForAttestation {
beacon_block_root: Hash256,
},
AttestationValidationError(AttestationValidationError),
StateSkipTooLarge {
start_slot: Slot,
requested_slot: Slot,
max_task_runtime: Duration,
},
/// Returned when an internal check fails, indicating corrupt data.
InvariantViolated(String),
SszTypesError(SszTypesError),
CanonicalHeadLockTimeout,
BlockRootTreeError(BlockRootTreeError),
}
easy_from_to!(SlotProcessingError, BeaconChainError);
easy_from_to!(AttestationValidationError, BeaconChainError);
easy_from_to!(SszTypesError, BeaconChainError);
easy_from_to!(BlockRootTreeError, BeaconChainError);
#[derive(Debug, PartialEq)]
pub enum BlockProductionError {
UnableToGetBlockRootFromState,
UnableToReadSlot,
UnableToProduceAtSlot(Slot),
SlotProcessingError(SlotProcessingError),
BlockProcessingError(BlockProcessingError),
Eth1ChainError(Eth1ChainError),
BeaconStateError(BeaconStateError),
/// The `BeaconChain` was explicitly configured _without_ a connection to eth1, therefore it
/// cannot produce blocks.
NoEth1ChainConnection,
}
easy_from_to!(BlockProcessingError, BlockProductionError);
easy_from_to!(BeaconStateError, BlockProductionError);
easy_from_to!(SlotProcessingError, BlockProductionError);
easy_from_to!(Eth1ChainError, BlockProductionError);