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Allow attestations to genesis block

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This commit is contained in:
Paul Hauner
2019-11-21 11:16:16 +11:00
parent 3bf0aa9908
commit fd6e6d5d40
1 changed files with 6 additions and 1 deletions
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7
beacon_node/beacon_chain/src/beacon_chain.rs
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@@ -852,13 +852,18 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
result
};
if block.slot <= finalized_epoch.start_slot(T::EthSpec::slots_per_epoch()) {
if block.slot > 0
&& (block.slot <= finalized_epoch.start_slot(T::EthSpec::slots_per_epoch()))
{
// Ignore any attestation where the slot of `data.beacon_block_root` is equal to or
// prior to the finalized epoch.
//
// For any valid attestation if the `beacon_block_root` is prior to finalization, then
// all other parameters (source, target, etc) must all be prior to finalization and
// therefore no longer interesting.
//
// We allow the case where the block is the genesis block. Without this, all
// attestations prior to the first block being produced would be invalid.
Ok(AttestationProcessingOutcome::FinalizedSlot {
attestation: block.slot.epoch(T::EthSpec::slots_per_epoch()),
finalized: finalized_epoch,