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Update 0_beacon-chain.md

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Justin 2019-03-12 12:36:09 +00:00 committed by GitHub
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specs/core/0_beacon-chain.md
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@ -268,12 +268,12 @@ Code snippets appearing in `this style` are to be interpreted as Python code.
| Name | Value | | Name | Value |
| - | - | | - | - |
| `DOMAIN_BEACON_BLOCK` | `int_to_bytes4(0)` | | `DOMAIN_BEACON_BLOCK` | `0` |
| `DOMAIN_RANDAO` | `int_to_bytes4(1)` | | `DOMAIN_RANDAO` | `1` |
| `DOMAIN_ATTESTATION` | `int_to_bytes4(2)` | | `DOMAIN_ATTESTATION` | `2` |
| `DOMAIN_DEPOSIT` | `int_to_bytes4(3)` | | `DOMAIN_DEPOSIT` | `3` |
| `DOMAIN_VOLUNTARY_EXIT` | `int_to_bytes4(4)` | | `DOMAIN_VOLUNTARY_EXIT` | `4` |
| `DOMAIN_TRANSFER` | `int_to_bytes4(5)` | | `DOMAIN_TRANSFER` | `5` |
## Data structures ## Data structures
@ -1107,7 +1107,7 @@ def get_total_balance(state: BeaconState, validators: List[ValidatorIndex]) -> G
```python ```python
def get_fork_version(fork: Fork, def get_fork_version(fork: Fork,
epoch: Epoch) -> bytes4: epoch: Epoch) -> bytes:
""" """
Return the fork version of the given ``epoch``. Return the fork version of the given ``epoch``.
""" """
@ -1122,11 +1122,11 @@ def get_fork_version(fork: Fork,
```python ```python
def get_domain(fork: Fork, def get_domain(fork: Fork,
epoch: Epoch, epoch: Epoch,
domain_type: bytes4) -> int: domain_type: int) -> int:
""" """
Get the domain number that represents the fork meta and signature domain. Get the domain number that represents the fork meta and signature domain.
""" """
return bytes_to_int(get_fork_version(fork, epoch) + domain_type)) return bytes_to_int(get_fork_version(fork, epoch) + int_to_bytes4(domain_type))
``` ```
### `get_bitfield_bit` ### `get_bitfield_bit`