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Fix bug in attestation production

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This commit is contained in:
Paul Hauner 2019-03-31 15:35:27 +11:00
parent bd860eb3e1
commit c6fc4f0769
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GPG Key ID: D362883A9218FCC6
1 changed files with 30 additions and 7 deletions
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37
beacon_node/beacon_chain/src/beacon_chain.rs
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@ -482,14 +482,37 @@ where
trace!("BeaconChain::produce_attestation: shard: {}", shard);
let state = self.state.read();
let target_root = *self.state.read().get_block_root(
self.state
let current_epoch_start_slot = self
.state
.read()
.slot
.epoch(self.spec.slots_per_epoch)
.start_slot(self.spec.slots_per_epoch);
let target_root = if state.slot == current_epoch_start_slot {
// If we're on the first slot of the state's epoch.
if self.head().beacon_block.slot == state.slot {
// If the current head block is from the current slot, use its block root.
self.head().beacon_block_root
} else {
// If the current head block is not from this slot, use the slot from the previous
// epoch.
let root = *self.state.read().get_block_root(
current_epoch_start_slot - self.spec.slots_per_epoch,
&self.spec,
)?;
root
}
} else {
// If we're not on the first slot of the epoch.
let root = *self
.state
.read()
.slot
.epoch(self.spec.slots_per_epoch)
.start_slot(self.spec.slots_per_epoch),
&self.spec,
)?;
.get_block_root(current_epoch_start_slot, &self.spec)?;
root
};
Ok(AttestationData {
slot: self.state.read().slot,