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Updated get_custody_chunk_count #1099

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May 20, 2019
Merged

Updated get_custody_chunk_count #1099

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c14452b
Updated get_custody_chunk_count
vbuterin May 19, 2019
2018dd8
Update 1_custody-game.md
JustinDrake May 20, 2019
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4 changes: 2 additions & 2 deletions specs/core/1_custody-game.md
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Original file line number Diff line number Diff line change
Expand Up @@ -255,8 +255,8 @@ The `empty` function accepts and SSZ type as input and returns an object of that

```python
def get_custody_chunk_count(attestation: Attestation) -> int:
crosslink_start_epoch = attestation.data.latest_crosslink.epoch
crosslink_end_epoch = slot_to_epoch(attestation.data.slot)
crosslink_start_epoch = attestation.data.latest_crosslink.start_epoch
crosslink_end_epoch = attestation.data.latest_crosslink.end_epoch
crosslink_crosslink_length = min(MAX_EPOCHS_PER_CROSSLINK, end_epoch - start_epoch)
chunks_per_epoch = 2 * BYTES_PER_SHARD_BLOCK * SLOTS_PER_EPOCH // BYTES_PER_CUSTODY_CHUNK
return crosslink_crosslink_length * chunks_per_epoch
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