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Change csc types to uint64

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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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10
specs/_features/eip7594/das-core.md
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@ -67,7 +67,7 @@ The following values are (non-configurable) constants used throughout the specif
| Name | Value | Description | | 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 ### Custody setting
@ -105,7 +105,7 @@ class MatrixEntry(Container):
### `get_custody_columns` ### `get_custody_columns`
```python ```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 assert custody_subnet_count <= DATA_COLUMN_SIDECAR_SUBNET_COUNT
subnet_ids: List[uint64] = [] 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: while len(subnet_ids) < custody_subnet_count:
subnet_id = ( subnet_id = (
bytes_to_uint64(hash(uint_to_bytes(uint256(current_id)))[0:8]) 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: if subnet_id not in subnet_ids:
subnet_ids.append(subnet_id) 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)) 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([ 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 i in range(columns_per_subnet)
for subnet_id in subnet_ids for subnet_id in subnet_ids
]) ])

10
specs/_features/eip7594/p2p-interface.md
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@ -119,14 +119,14 @@ The `MetaData` stored locally by clients is updated with an additional field to
seq_number: uint64 seq_number: uint64
attnets: Bitvector[ATTESTATION_SUBNET_COUNT] attnets: Bitvector[ATTESTATION_SUBNET_COUNT]
syncnets: Bitvector[SYNC_COMMITTEE_SUBNET_COUNT] syncnets: Bitvector[SYNC_COMMITTEE_SUBNET_COUNT]
custody_subnet_count: uint8 # csc custody_subnet_count: uint64 # csc
) )
``` ```
Where Where
- `seq_number`, `attnets`, and `syncnets` have the same meaning defined in the Altair document. - `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 ### 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. A new field is added to the ENR under the key `csc` to facilitate custody data column discovery.
| Key | Value | | Key | Value |
|--------|-------------------------------------| |--------|------------------------------------------|
| `csc` | Custody subnet count, uint8 integer | | `csc` | Custody subnet count, big endian integer |

2
tests/core/pyspec/eth2spec/test/eip7594/networking/test_get_custody_columns.py
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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) == len(set(result))
assert len(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) assert all(i < spec.config.NUMBER_OF_COLUMNS for i in result)
python_list_result = [int(i) for i in result] python_list_result = [int(i) for i in result]

4
tests/core/pyspec/eth2spec/test/eip7594/unittests/test_config_invariants.py
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@ -3,7 +3,6 @@ from eth2spec.test.context import (
spec_test, spec_test,
with_eip7594_and_later, with_eip7594_and_later,
) )
from eth2spec.utils.ssz.ssz_typing import uint8
@with_eip7594_and_later @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_BLOB % spec.FIELD_ELEMENTS_PER_CELL == 0
assert spec.FIELD_ELEMENTS_PER_EXT_BLOB % spec.config.NUMBER_OF_COLUMNS == 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.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.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.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 == ( assert spec.config.MAX_REQUEST_DATA_COLUMN_SIDECARS == (
spec.config.MAX_REQUEST_BLOCKS_DENEB * spec.config.NUMBER_OF_COLUMNS spec.config.MAX_REQUEST_BLOCKS_DENEB * spec.config.NUMBER_OF_COLUMNS
) )

4
tests/core/pyspec/eth2spec/test/eip7594/unittests/test_custody.py
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@ -9,9 +9,9 @@ from eth2spec.test.context import (
def run_get_custody_columns(spec, peer_count, custody_subnet_count): 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)] 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: 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)) assert len(assignment) == len(set(assignment))