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[fix-recent_block_hashes] remove min requirement from append_to_recent_block_hashes

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Danny Ryan 2018-10-04 18:25:24 -05:00
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specs/beacon-chain.md
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@ -447,7 +447,7 @@ First, set `recent_block_hashes` to the output of the following, where `parent_h
def append_to_recent_block_hashes(old_block_hashes, parent_slot, def append_to_recent_block_hashes(old_block_hashes, parent_slot,
current_slot, parent_hash): current_slot, parent_hash):
d = current_slot - parent_slot d = current_slot - parent_slot
return old_block_hashes + [parent_hash] * min(d, len(old_block_hashes)) return old_block_hashes + [parent_hash] * d
``` ```
The output of `get_block_hash` should not change, except that it will no longer throw for `current_slot - 1`. Also, check that the block's `ancestor_hashes` array was correctly updated, using the following algorithm: The output of `get_block_hash` should not change, except that it will no longer throw for `current_slot - 1`. Also, check that the block's `ancestor_hashes` array was correctly updated, using the following algorithm: