EIP-7594: add custody settings config (#3766)

* EIP-7594: add custody settings config

* Add `TARGET_NUMBER_OF_PEERS` to config

* add TARGET_NUMBER_OF_PEERS

Co-authored-by: Hsiao-Wei Wang <[email protected]>

* fix double TARGET_NUMBER_OF_PEERS

* fix tests

---------

Co-authored-by: Hsiao-Wei Wang <[email protected]>

Author: Savid

configs/mainnet.yaml

@@ -159,6 +159,9 @@ NUMBER_OF_COLUMNS: 128
 MAX_CELLS_IN_EXTENDED_MATRIX: 768
 DATA_COLUMN_SIDECAR_SUBNET_COUNT: 32
 MAX_REQUEST_DATA_COLUMN_SIDECARS: 16384
+SAMPLES_PER_SLOT: 8
+CUSTODY_REQUIREMENT: 1
+TARGET_NUMBER_OF_PEERS: 70
 
 # [New in Electra:EIP7251]
 MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA: 128000000000 # 2**7 * 10**9 (= 128,000,000,000)

configs/minimal.yaml

@@ -158,6 +158,9 @@ NUMBER_OF_COLUMNS: 128
 MAX_CELLS_IN_EXTENDED_MATRIX: 768
 DATA_COLUMN_SIDECAR_SUBNET_COUNT: 32
 MAX_REQUEST_DATA_COLUMN_SIDECARS: 16384
+SAMPLES_PER_SLOT: 8
+CUSTODY_REQUIREMENT: 1
+TARGET_NUMBER_OF_PEERS: 70
 
 # [New in Electra:EIP7251]
 MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA: 64000000000 # 2**6 * 10**9 (= 64,000,000,000)

tests/core/pyspec/eth2spec/test/eip7594/unittests/test_config_invariants.py

@@ -11,8 +11,8 @@
 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.SAMPLES_PER_SLOT <= spec.config.NUMBER_OF_COLUMNS
-    assert spec.CUSTODY_REQUIREMENT <= spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT
+    assert spec.config.SAMPLES_PER_SLOT <= spec.config.NUMBER_OF_COLUMNS
+    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 % spec.config.DATA_COLUMN_SIDECAR_SUBNET_COUNT == 0
     assert spec.config.MAX_REQUEST_DATA_COLUMN_SIDECARS == (

tests/core/pyspec/eth2spec/test/eip7594/unittests/test_custody.py

@@ -9,7 +9,7 @@
 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.NUMBER_OF_COLUMNS // 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) == custody_subnet_count * columns_per_subnet
         assert len(assignment) == len(set(assignment))
@@ -20,8 +20,8 @@ def run_get_custody_columns(spec, peer_count, custody_subnet_count):
 @single_phase
 def test_get_custody_columns_peers_within_number_of_columns(spec):
     peer_count = 10
-    custody_subnet_count = spec.CUSTODY_REQUIREMENT
-    assert spec.NUMBER_OF_COLUMNS > peer_count
+    custody_subnet_count = spec.config.CUSTODY_REQUIREMENT
+    assert spec.config.NUMBER_OF_COLUMNS > peer_count
     run_get_custody_columns(spec, peer_count, custody_subnet_count)
 
 
@@ -30,8 +30,8 @@ def test_get_custody_columns_peers_within_number_of_columns(spec):
 @single_phase
 def test_get_custody_columns_peers_more_than_number_of_columns(spec):
     peer_count = 200
-    custody_subnet_count = spec.CUSTODY_REQUIREMENT
-    assert spec.NUMBER_OF_COLUMNS < peer_count
+    custody_subnet_count = spec.config.CUSTODY_REQUIREMENT
+    assert spec.config.NUMBER_OF_COLUMNS < peer_count
     run_get_custody_columns(spec, peer_count, custody_subnet_count)