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Reduce GENESIS_SLOT to 2**32 #655

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Feb 21, 2019
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Reduce GENESIS_SLOT to 2**32 #655

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8 changes: 2 additions & 6 deletions specs/core/0_beacon-chain.md
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Original file line number Diff line number Diff line change
Expand Up @@ -212,7 +212,7 @@ Code snippets appearing in `this style` are to be interpreted as Python code.
| Name | Value |
| - | - |
| `GENESIS_FORK_VERSION` | `0` |
| `GENESIS_SLOT` | `2**63` |
| `GENESIS_SLOT` | `2**32` |
| `GENESIS_EPOCH` | `slot_to_epoch(GENESIS_SLOT)` |
| `GENESIS_START_SHARD` | `0` |
| `FAR_FUTURE_EPOCH` | `2**64 - 1` |
Expand Down Expand Up @@ -688,12 +688,8 @@ def slot_to_epoch(slot: Slot) -> Epoch:
def get_previous_epoch(state: BeaconState) -> Epoch:
"""`
Return the previous epoch of the given ``state``.
If the current epoch is ``GENESIS_EPOCH``, return ``GENESIS_EPOCH``.
"""
current_epoch = get_current_epoch(state)
if current_epoch == GENESIS_EPOCH:
return GENESIS_EPOCH
return current_epoch - 1
return get_current_epoch(state) - 1
```

### `get_current_epoch`
Expand Down