Sync constants

Author: hwwhww

eth/beacon/constants.py

@@ -10,3 +10,5 @@
 RAND_BYTES = 3
 # The highest possible result of the RNG.
 RAND_MAX = 2 ** (RAND_BYTES * 8) - 1
+
+EMPTY_SIGNATURE = (0, 0)

eth/beacon/state_machines/configs.py

@@ -13,17 +13,20 @@
         # Misc
         ('SHARD_COUNT', int),
         ('TARGET_COMMITTEE_SIZE', int),
-        ('MAX_ATTESTATIONS_PER_BLOCK', int),
-        ('MIN_BALANCE', int),
+        ('EJECTION_BALANCE', int),
         ('MAX_BALANCE_CHURN_QUOTIENT', int),
         ('GWEI_PER_ETH', int),
         ('BEACON_CHAIN_SHARD_NUMBER', int),
-        ('BLS_WITHDRAWAL_CREDENTIALS', bytes),
+        ('BLS_WITHDRAWAL_PREFIX_BYTE', bytes),
+        ('MAX_CASPER_VOTES', int),
+        ('LATEST_BLOCK_ROOTS_LENGTH', int),
+        # EMPTY_SIGNATURE is defined in constants.py
         # Deposit contract
         ('DEPOSIT_CONTRACT_ADDRESS', Address),
         ('DEPOSIT_CONTRACT_TREE_DEPTH', int),
         ('MIN_DEPOSIT', int),
         ('MAX_DEPOSIT', int),
+        # ZERO_HASH (ZERO_HASH32) is defined in constants.py
         # Initial values
         ('INITIAL_FORK_VERSION', int),
         ('INITIAL_SLOT_NUMBER', int),
@@ -41,5 +44,11 @@
         ('WHISTLEBLOWER_REWARD_QUOTIENT', int),
         ('INCLUDER_REWARD_QUOTIENT', int),
         ('INACTIVITY_PENALTY_QUOTIENT', int),
+        # Max operations per block
+        ('MAX_PROPOSER_SLASHINGS', int),
+        ('MAX_CASPER_SLASHINGS', int),
+        ('MAX_ATTESTATIONS', int),
+        ('MAX_DEPOSITS', int),
+        ('MAX_EXITS', int),
     )
 )

eth/beacon/state_machines/forks/serenity/configs.py

@@ -8,12 +8,13 @@
     # Misc
     SHARD_COUNT=2**10,  # (= 1,024) shards
     TARGET_COMMITTEE_SIZE=2**8,  # (= 256) validators
-    MAX_ATTESTATIONS_PER_BLOCK=2**7,  # (= 128) attestations
-    MIN_BALANCE=2**4,  # (= 16) ETH
+    EJECTION_BALANCE=2**4,  # (= 16) ETH
     MAX_BALANCE_CHURN_QUOTIENT=2**5,  # (= 32)
     GWEI_PER_ETH=10**9,  # Gwei/ETH
     BEACON_CHAIN_SHARD_NUMBER=2**64 - 1,
-    BLS_WITHDRAWAL_CREDENTIALS=b'\x00',
+    BLS_WITHDRAWAL_PREFIX_BYTE=b'\x00',
+    MAX_CASPER_VOTES=2**10,  # (= 1,024) votes
+    LATEST_BLOCK_ROOTS_LENGTH=2**13,  # (= 8,192) block roots
     # Deposit contract
     DEPOSIT_CONTRACT_ADDRESS=ZERO_ADDRESS,  # TBD
     DEPOSIT_CONTRACT_TREE_DEPTH=2**5,  # (= 32)
@@ -32,8 +33,14 @@
     COLLECTIVE_PENALTY_CALCULATION_PERIOD=2**20,  # (= 1,048,576) slots
     ZERO_BALANCE_VALIDATOR_TTL=2**22,  # (= 4,194,304) slots
     # Reward and penalty quotients
-    BASE_REWARD_QUOTIENT=2**11,  # (= 2,048)
+    BASE_REWARD_QUOTIENT=2**10,  # (= 1,024)
     WHISTLEBLOWER_REWARD_QUOTIENT=2**9,  # (= 512)
     INCLUDER_REWARD_QUOTIENT=2**3,  # (= 8)
     INACTIVITY_PENALTY_QUOTIENT=2**34,  # (= 17,179,869,184)
+    # Max operations per block
+    MAX_PROPOSER_SLASHINGS=2**4,  # (= 16)
+    MAX_CASPER_SLASHINGS=2**4,  # (= 16)
+    MAX_ATTESTATIONS=2**7,  # (= 128)
+    MAX_DEPOSITS=2**4,  # (= 16)
+    MAX_EXITS=2**4,  # (= 16)
 )

tests/beacon/conftest.py

@@ -330,13 +330,8 @@ def target_committee_size():
 
 
 @pytest.fixture
-def max_attestations_per_block():
-    return SERENITY_CONFIG.MAX_ATTESTATIONS_PER_BLOCK
-
-
-@pytest.fixture
-def min_balance():
-    return SERENITY_CONFIG.MIN_BALANCE
+def ejection_balance():
+    return SERENITY_CONFIG.EJECTION_BALANCE
 
 
 @pytest.fixture
@@ -355,8 +350,18 @@ def beacon_chain_shard_number():
 
 
 @pytest.fixture
-def bls_withdrawal_credentials():
-    return SERENITY_CONFIG.BLS_WITHDRAWAL_CREDENTIALS
+def bls_withdrawal_prefix_byte():
+    return SERENITY_CONFIG.BLS_WITHDRAWAL_PREFIX_BYTE
+
+
+@pytest.fixture
+def max_casper_votes():
+    return SERENITY_CONFIG.MAX_CASPER_VOTES
+
+
+@pytest.fixture
+def latest_block_roots_length():
+    return SERENITY_CONFIG.LATEST_BLOCK_ROOTS_LENGTH
 
 
 @pytest.fixture
@@ -439,6 +444,31 @@ def inactivity_penalty_quotient():
     return SERENITY_CONFIG.INACTIVITY_PENALTY_QUOTIENT
 
 
+@pytest.fixture
+def max_proposer_slashings():
+    return SERENITY_CONFIG.MAX_PROPOSER_SLASHINGS
+
+
+@pytest.fixture
+def max_casper_slashings():
+    return SERENITY_CONFIG.MAX_CASPER_SLASHINGS
+
+
+@pytest.fixture
+def max_attestations():
+    return SERENITY_CONFIG.MAX_ATTESTATIONS
+
+
+@pytest.fixture
+def max_deposits():
+    return SERENITY_CONFIG.MAX_DEPOSITS
+
+
+@pytest.fixture
+def max_exits():
+    return SERENITY_CONFIG.MAX_EXITS
+
+
 #
 # genesis
 #