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Merge pull request #671 from ethereum/v-guide-bugs 

validator guide bug fixes
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Danny Ryan 2019-02-22 08:34:34 -07:00 committed by GitHub
parent d27132cb0a e8d41fd889
commit d0d2fa10d9
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specs/validator/0_beacon-chain-validator.md
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@ -262,7 +262,9 @@ Set `attestation_data.beacon_block_root = hash_tree_root(head)` where `head` is
Set `attestation_data.epoch_boundary_root = hash_tree_root(epoch_boundary)` where `epoch_boundary` is the block at the most recent epoch boundary in the chain defined by `head` -- i.e. the `BeaconBlock` where `block.slot == get_epoch_start_slot(slot_to_epoch(head.slot))`.
_Note:_ This can be looked up in the state using `get_block_root(state, get_epoch_start_slot(slot_to_epoch(head.slot)))`.
_Note:_ This can be looked up in the state using:
* Let `epoch_start_slot = get_epoch_start_slot(slot_to_epoch(head.slot))`.
* Set `epoch_boundary_root = hash_tree_root(head) if epoch_start_slot == head.slot else get_block_root(state, epoch_start_slot)`.
##### Shard block root
@ -280,9 +282,9 @@ Set `attestation_data.justified_epoch = state.justified_epoch` where `state` is
##### Justified block root
Set `attestation_data.justified_block_root = hash_tree_root(justified_block)` where `justified_block` is the block at `state.justified_epoch` in the chain defined by `head`.
Set `attestation_data.justified_block_root = hash_tree_root(justified_block)` where `justified_block` is the block at the slot `get_epoch_start_slot(state.justified_epoch)` in the chain defined by `head`.
_Note:_ This can be looked up in the state using `get_block_root(state, justified_epoch)`.
_Note:_ This can be looked up in the state using `get_block_root(state, get_epoch_start_slot(state.justified_epoch))`.
#### Construct attestation