Merge pull request #1003 from ethereum/master

Backport (partial) v0.6.1 to dev

configs/constant_presets/mainnet.yaml

@@ -15,6 +15,8 @@ MAX_INDICES_PER_ATTESTATION: 4096
 MIN_PER_EPOCH_CHURN_LIMIT: 4
 # 2**16 (= 65,536)
 CHURN_LIMIT_QUOTIENT: 65536
+# Normalizes base rewards
+BASE_REWARDS_PER_EPOCH: 5
 # See issue 563
 SHUFFLE_ROUND_COUNT: 90
 
@@ -36,7 +38,7 @@ MAX_EFFECTIVE_BALANCE: 32000000000
 # 2**4 * 10**9 (= 16,000,000,000) Gwei
 EJECTION_BALANCE: 16000000000
 # 2**0 * 10**9 (= 1,000,000,000) Gwei
-HIGH_BALANCE_INCREMENT: 1000000000
+EFFECTIVE_BALANCE_INCREMENT: 1000000000
 
 
 # Initial values
@@ -71,6 +73,8 @@ MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
 PERSISTENT_COMMITTEE_PERIOD: 2048
 # 2**6 (= 64) epochs ~7 hours
 MAX_CROSSLINK_EPOCHS: 64
+# 2**2 (= 4) epochs 25.6 minutes
+MIN_EPOCHS_TO_INACTIVITY_PENALTY: 4
 
 
 # State list lengths
@@ -91,14 +95,14 @@ BASE_REWARD_QUOTIENT: 32
 WHISTLEBLOWING_REWARD_QUOTIENT: 512
 # 2**3 (= 8)
 PROPOSER_REWARD_QUOTIENT: 8
-# 2**24 (= 16,777,216)
-INACTIVITY_PENALTY_QUOTIENT: 16777216
+# 2**25 (= 33,554,432)
+INACTIVITY_PENALTY_QUOTIENT: 33554432
+# 2**5 (= 32)
+MIN_SLASHING_PENALTY_QUOTIENT: 32
 
 
 # Max operations per block
 # ---------------------------------------------------------------
-# 2**5 (= 32)
-MIN_PENALTY_QUOTIENT: 32
 # 2**4 (= 16)
 MAX_PROPOSER_SLASHINGS: 16
 # 2**0 (= 1)

configs/constant_presets/minimal.yaml

@@ -6,7 +6,6 @@
 
 # [customized] Just 8 shards for testing purposes
 SHARD_COUNT: 8
-
 # [customized] unsecure, but fast
 TARGET_COMMITTEE_SIZE: 4
 # 2**12 (= 4,096)
@@ -15,6 +14,8 @@ MAX_INDICES_PER_ATTESTATION: 4096
 MIN_PER_EPOCH_CHURN_LIMIT: 4
 # 2**16 (= 65,536)
 CHURN_LIMIT_QUOTIENT: 65536
+# Normalizes base rewards
+BASE_REWARDS_PER_EPOCH: 5
 # [customized] Faster, but unsecure.
 SHUFFLE_ROUND_COUNT: 10
 
@@ -36,7 +37,7 @@ MAX_EFFECTIVE_BALANCE: 32000000000
 # 2**4 * 10**9 (= 16,000,000,000) Gwei
 EJECTION_BALANCE: 16000000000
 # 2**0 * 10**9 (= 1,000,000,000) Gwei
-HIGH_BALANCE_INCREMENT: 1000000000
+EFFECTIVE_BALANCE_INCREMENT: 1000000000
 
 
 # Initial values
@@ -71,6 +72,8 @@ MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
 PERSISTENT_COMMITTEE_PERIOD: 2048
 # 2**6 (= 64) epochs ~7 hours
 MAX_CROSSLINK_EPOCHS: 64
+# 2**2 (= 4) epochs 25.6 minutes
+MIN_EPOCHS_TO_INACTIVITY_PENALTY: 4
 
 
 # State list lengths
@@ -91,14 +94,14 @@ BASE_REWARD_QUOTIENT: 32
 WHISTLEBLOWING_REWARD_QUOTIENT: 512
 # 2**3 (= 8)
 PROPOSER_REWARD_QUOTIENT: 8
-# 2**24 (= 16,777,216)
-INACTIVITY_PENALTY_QUOTIENT: 16777216
+# 2**25 (= 33,554,432)
+INACTIVITY_PENALTY_QUOTIENT: 33554432
+# 2**5 (= 32)
+MIN_SLASHING_PENALTY_QUOTIENT: 32
 
 
 # Max operations per block
 # ---------------------------------------------------------------
-# 2**5 (= 32)
-MIN_PENALTY_QUOTIENT: 32
 # 2**4 (= 16)
 MAX_PROPOSER_SLASHINGS: 16
 # 2**0 (= 1)

scripts/phase0/build_spec.py

@@ -5,10 +5,8 @@
 def build_phase0_spec(sourcefile, outfile):
     code_lines = []
     code_lines.append("""
-    
 from typing import (
     Any,
-    Callable,
     Dict,
     List,
     NewType,
@@ -17,19 +15,16 @@ def build_phase0_spec(sourcefile, outfile):
 from eth2spec.utils.minimal_ssz import *
 from eth2spec.utils.bls_stub import *
 
-
-    """)
+""")
     for i in (1, 2, 3, 4, 8, 32, 48, 96):
         code_lines.append("def int_to_bytes%d(x): return x.to_bytes(%d, 'little')" % (i, i))
 
     code_lines.append("""
+
 # stub, will get overwritten by real var
 SLOTS_PER_EPOCH = 64
 
 
-def slot_to_epoch(x): return x // SLOTS_PER_EPOCH
-
-
 Slot = NewType('Slot', int)  # uint64
 Epoch = NewType('Epoch', int)  # uint64
 Shard = NewType('Shard', int)  # uint64
@@ -38,31 +33,26 @@ def slot_to_epoch(x): return x // SLOTS_PER_EPOCH
 Bytes32 = NewType('Bytes32', bytes)  # bytes32
 BLSPubkey = NewType('BLSPubkey', bytes)  # bytes48
 BLSSignature = NewType('BLSSignature', bytes)  # bytes96
-Any = None
 Store = None
-    """)
+""")
 
     code_lines += function_puller.get_spec(sourcefile)
 
     code_lines.append("""
-# Monkey patch validator get committee code
+# Monkey patch validator compute committee code
 _compute_committee = compute_committee
 committee_cache = {}
 
 
-def compute_committee(validator_indices: List[ValidatorIndex],
-                      seed: Bytes32,
-                      index: int,
-                      total_committees: int) -> List[ValidatorIndex]:
-
-    param_hash = (hash_tree_root(validator_indices), seed, index, total_committees)
+def compute_committee(indices: List[ValidatorIndex], seed: Bytes32, index: int, count: int) -> List[ValidatorIndex]:
+    param_hash = (hash_tree_root(indices), seed, index, count)
 
     if param_hash in committee_cache:
-        # print("Cache hit, epoch={0}".format(epoch))
+        print("Cache hit, param_hash: ", param_hash)
         return committee_cache[param_hash]
     else:
-        # print("Cache miss, epoch={0}".format(epoch))
-        ret = _compute_committee(validator_indices, seed, index, total_committees)
+        print("Cache miss, param_hash: ", param_hash)
+        ret = _compute_committee(indices, seed, index, count)
         committee_cache[param_hash] = ret
         return ret
 
@@ -88,7 +78,7 @@ def apply_constants_preset(preset: Dict[str, Any]):
 
     # Deal with derived constants
     global_vars['GENESIS_EPOCH'] = slot_to_epoch(GENESIS_SLOT)
-    
+
     # Initialize SSZ types again, to account for changed lengths
     init_SSZ_types()
 """)

scripts/phase0/function_puller.py

@@ -62,9 +62,10 @@ def get_spec(file_name: str) -> List[str]:
         code_lines.append('')
         for type_line in ssz_type:
             code_lines.append('    ' + type_line)
-    code_lines.append('')
+    code_lines.append('\n')
     code_lines.append('ssz_types = [' + ', '.join([f'\'{ssz_type_name}\'' for (ssz_type_name, _) in type_defs]) + ']')
-    code_lines.append('')
-    code_lines.append('def get_ssz_type_by_name(name: str) -> SSZType: return globals()[name]')
+    code_lines.append('\n')
+    code_lines.append('def get_ssz_type_by_name(name: str) -> SSZType:')
+    code_lines.append('    return globals()[name]')
     code_lines.append('')
     return code_lines