Change csc types to uint64

This commit is contained in:
Pawan Dhananjay 2024-08-30 12:25:26 -07:00
parent 2b4d94ab08
commit 78cc0a6e91
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5 changed files with 14 additions and 16 deletions

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@ -67,7 +67,7 @@ The following values are (non-configurable) constants used throughout the specif
| Name | Value | Description |
| - | - | - |
| `DATA_COLUMN_SIDECAR_SUBNET_COUNT` | `uint8(128)` | The number of data column sidecar subnets used in the gossipsub protocol |
| `DATA_COLUMN_SIDECAR_SUBNET_COUNT` | `uint64(128)` | The number of data column sidecar subnets used in the gossipsub protocol |
### Custody setting
@ -105,7 +105,7 @@ class MatrixEntry(Container):
### `get_custody_columns`
```python
def get_custody_columns(node_id: NodeID, custody_subnet_count: uint8) -> Sequence[ColumnIndex]:
def get_custody_columns(node_id: NodeID, custody_subnet_count: uint64) -> Sequence[ColumnIndex]:
assert custody_subnet_count <= DATA_COLUMN_SIDECAR_SUBNET_COUNT
subnet_ids: List[uint64] = []
@ -113,7 +113,7 @@ def get_custody_columns(node_id: NodeID, custody_subnet_count: uint8) -> Sequenc
while len(subnet_ids) < custody_subnet_count:
subnet_id = (
bytes_to_uint64(hash(uint_to_bytes(uint256(current_id)))[0:8])
% int(DATA_COLUMN_SIDECAR_SUBNET_COUNT)
% DATA_COLUMN_SIDECAR_SUBNET_COUNT
)
if subnet_id not in subnet_ids:
subnet_ids.append(subnet_id)
@ -124,9 +124,9 @@ def get_custody_columns(node_id: NodeID, custody_subnet_count: uint8) -> Sequenc
assert len(subnet_ids) == len(set(subnet_ids))
columns_per_subnet = NUMBER_OF_COLUMNS // int(DATA_COLUMN_SIDECAR_SUBNET_COUNT)
columns_per_subnet = NUMBER_OF_COLUMNS // DATA_COLUMN_SIDECAR_SUBNET_COUNT
return sorted([
ColumnIndex(int(DATA_COLUMN_SIDECAR_SUBNET_COUNT) * i + subnet_id)
ColumnIndex(DATA_COLUMN_SIDECAR_SUBNET_COUNT * i + subnet_id)
for i in range(columns_per_subnet)
for subnet_id in subnet_ids
])

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@ -119,14 +119,14 @@ The `MetaData` stored locally by clients is updated with an additional field to
seq_number: uint64
attnets: Bitvector[ATTESTATION_SUBNET_COUNT]
syncnets: Bitvector[SYNC_COMMITTEE_SUBNET_COUNT]
custody_subnet_count: uint8 # csc
custody_subnet_count: uint64 # csc
)
```
Where
- `seq_number`, `attnets`, and `syncnets` have the same meaning defined in the Altair document.
- `csc` represents the node's custody subnet count. Clients MAY reject ENRs with a value less than `CUSTODY_REQUIREMENT`.
- `custody_subnet_count` represents the node's custody subnet count. Clients MAY reject peers with a value less than `CUSTODY_REQUIREMENT`.
### The gossip domain: gossipsub
@ -322,6 +322,6 @@ Requests the MetaData of a peer, using the new `MetaData` definition given above
A new field is added to the ENR under the key `csc` to facilitate custody data column discovery.
| Key | Value |
|--------|-------------------------------------|
| `csc` | Custody subnet count, uint8 integer |
| Key | Value |
|--------|------------------------------------------|
| `csc` | Custody subnet count, big endian integer |

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@ -20,7 +20,7 @@ def _run_get_custody_columns(spec, rng, node_id=None, custody_subnet_count=None)
assert len(result) == len(set(result))
assert len(result) == (
int(custody_subnet_count) * spec.config.NUMBER_OF_COLUMNS // int(spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT)
custody_subnet_count * spec.config.NUMBER_OF_COLUMNS // spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT
)
assert all(i < spec.config.NUMBER_OF_COLUMNS for i in result)
python_list_result = [int(i) for i in result]

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@ -3,7 +3,6 @@ from eth2spec.test.context import (
spec_test,
with_eip7594_and_later,
)
from eth2spec.utils.ssz.ssz_typing import uint8
@with_eip7594_and_later
@ -13,10 +12,9 @@ def test_invariants(spec):
assert spec.FIELD_ELEMENTS_PER_BLOB % spec.FIELD_ELEMENTS_PER_CELL == 0
assert spec.FIELD_ELEMENTS_PER_EXT_BLOB % spec.config.NUMBER_OF_COLUMNS == 0
assert spec.config.SAMPLES_PER_SLOT <= spec.config.NUMBER_OF_COLUMNS
assert spec.config.NUMBER_OF_COLUMNS == uint8(spec.config.NUMBER_OF_COLUMNS) # ENR field is uint8
assert spec.config.CUSTODY_REQUIREMENT <= spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT
assert spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT <= spec.config.NUMBER_OF_COLUMNS
assert spec.config.NUMBER_OF_COLUMNS % int(spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT) == 0
assert spec.config.NUMBER_OF_COLUMNS % spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT == 0
assert spec.config.MAX_REQUEST_DATA_COLUMN_SIDECARS == (
spec.config.MAX_REQUEST_BLOCKS_DENEB * spec.config.NUMBER_OF_COLUMNS
)

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@ -9,9 +9,9 @@ from eth2spec.test.context import (
def run_get_custody_columns(spec, peer_count, custody_subnet_count):
assignments = [spec.get_custody_columns(node_id, custody_subnet_count) for node_id in range(peer_count)]
columns_per_subnet = spec.config.NUMBER_OF_COLUMNS // int(spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT)
columns_per_subnet = spec.config.NUMBER_OF_COLUMNS // spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT
for assignment in assignments:
assert len(assignment) == int(custody_subnet_count) * columns_per_subnet
assert len(assignment) == custody_subnet_count * columns_per_subnet
assert len(assignment) == len(set(assignment))