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Class-ified the type definitions

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specs/core/0_beacon-chain.md
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@ -268,20 +268,19 @@ The types are defined topologically to aid in facilitating an executable version
#### `Fork`
```python
{
class Fork(SSZContainer):
# Previous fork version
previous_version: bytes4
# Current fork version
current_version: bytes4
# Fork epoch number
epoch: uint64
}
```
#### `Crosslink`
```python
{
class Crosslink(SSZContainer):
# Shard number
shard: uint64
# Epoch number
@ -290,26 +289,24 @@ The types are defined topologically to aid in facilitating an executable version
parent_root: bytes32
# Root of the crosslinked shard data since the previous crosslink
data_root: bytes32
}
```
#### `Eth1Data`
```python
{
class Eth1Data(SSZContainer):
# Root of the deposit tree
deposit_root: bytes32
# Total number of deposits
deposit_count: uint64
# Block hash
block_hash: bytes32
}
```
#### `AttestationData`
```python
{
class AttestationData(SSZContainer):
# LMD GHOST vote
beacon_block_root: bytes32
@ -321,24 +318,22 @@ The types are defined topologically to aid in facilitating an executable version
# Crosslink vote
crosslink: Crosslink
}
```
#### `AttestationDataAndCustodyBit`
```python
{
class AttestationDataAndCustodyBit(SSZContainer):
# Attestation data
data: AttestationData
# Custody bit
custody_bit: bool
}
```
#### `IndexedAttestation`
```python
{
class IndexedAttestation(SSZContainer):
# Validator indices
custody_bit_0_indices: List[uint64]
custody_bit_1_indices: List[uint64]
@ -346,13 +341,12 @@ The types are defined topologically to aid in facilitating an executable version
data: AttestationData
# Aggregate signature
signature: bytes96
}
```
#### `DepositData`
```python
{
class DepositData(SSZContainer):
# BLS pubkey
pubkey: bytes48
# Withdrawal credentials
@ -361,24 +355,22 @@ The types are defined topologically to aid in facilitating an executable version
amount: uint64
# Container self-signature
signature: bytes96
}
```
#### `BeaconBlockHeader`
```python
{
class BeaconBlockHeader(SSZContainer):
slot: uint64
parent_root: bytes32
state_root: bytes32
body_root: bytes32
signature: bytes96
}
```
#### `Validator`
```python
{
class Validator(SSZContainer):
# BLS public key
pubkey: bytes48
# Withdrawal credentials
@ -395,13 +387,12 @@ The types are defined topologically to aid in facilitating an executable version
slashed: bool
# Effective balance
effective_balance: uint64
}
```
#### `PendingAttestation`
```python
{
class PendingAttestation(SSZContainer):
# Attester aggregation bitfield
aggregation_bitfield: bytes
# Attestation data
@ -410,18 +401,16 @@ The types are defined topologically to aid in facilitating an executable version
inclusion_delay: uint64
# Proposer index
proposer_index: uint64
}
```
#### `HistoricalBatch`
```python
{
class HistoricalBatch(SSZContainer):
# Block roots
block_roots: Vector[bytes32, SLOTS_PER_HISTORICAL_ROOT]
# State roots
state_roots: Vector[bytes32, SLOTS_PER_HISTORICAL_ROOT]
}
```
### Beacon operations
@ -429,31 +418,29 @@ The types are defined topologically to aid in facilitating an executable version
#### `ProposerSlashing`
```python
{
class ProposerSlashing(SSZContainer):
# Proposer index
proposer_index: uint64
# First block header
header_1: BeaconBlockHeader
# Second block header
header_2: BeaconBlockHeader
}
```
#### `AttesterSlashing`
```python
{
class AttesterSlashing(SSZContainer):
# First attestation
attestation_1: IndexedAttestation
# Second attestation
attestation_2: IndexedAttestation
}
```
#### `Attestation`
```python
{
class Attestation(SSZContainer):
# Attester aggregation bitfield
aggregation_bitfield: bytes
# Attestation data
@ -462,39 +449,36 @@ The types are defined topologically to aid in facilitating an executable version
custody_bitfield: bytes
# BLS aggregate signature
signature: bytes96
}
```
#### `Deposit`
```python
{
class Deposit(SSZContainer):
# Branch in the deposit tree
proof: Vector[bytes32, DEPOSIT_CONTRACT_TREE_DEPTH]
# Index in the deposit tree
index: uint64
# Data
data: DepositData
}
```
#### `VoluntaryExit`
```python
{
class VoluntaryExit(SSZContainer):
# Minimum epoch for processing exit
epoch: uint64
# Index of the exiting validator
validator_index: uint64
# Validator signature
signature: bytes96
}
```
#### `Transfer`
```python
{
class Transfer(SSZContainer):
# Sender index
sender: uint64
# Recipient index
@ -509,7 +493,6 @@ The types are defined topologically to aid in facilitating an executable version
pubkey: bytes48
# Sender signature
signature: bytes96
}
```
### Beacon blocks
@ -517,7 +500,7 @@ The types are defined topologically to aid in facilitating an executable version
#### `BeaconBlockBody`
```python
{
class BeaconBlockBody(SSZContainer):
randao_reveal: bytes96
eth1_data: Eth1Data
graffiti: bytes32
@ -527,20 +510,18 @@ The types are defined topologically to aid in facilitating an executable version
deposits: List[Deposit]
voluntary_exits: List[VoluntaryExit]
transfers: List[Transfer]
}
```
#### `BeaconBlock`
```python
{
class BeaconBlock(SSZContainer):
# Header
slot: uint64
parent_root: bytes32
state_root: bytes32
body: BeaconBlockBody
signature: bytes96
}
```
### Beacon state
@ -548,7 +529,7 @@ The types are defined topologically to aid in facilitating an executable version
#### `BeaconState`
```python
{
class BeaconState(SSZContainer):
# Misc
slot: uint64
genesis_time: uint64
@ -589,7 +570,6 @@ The types are defined topologically to aid in facilitating an executable version
latest_eth1_data: Eth1Data
eth1_data_votes: List[Eth1Data]
deposit_index: uint64
}
```
## Custom types