eth2.0-specs/scripts/phase0/build_spec.py

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import sys
import function_puller
code_lines = []
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("SLOTS_PER_EPOCH = 64") # stub, will get overwritten by real var
code_lines.append("def slot_to_epoch(x): return x // SLOTS_PER_EPOCH")
code_lines.append("""
from typing import (
Any,
Callable,
List,
NewType,
Tuple,
)
Slot = NewType('Slot', int) # uint64
Epoch = NewType('Epoch', int) # uint64
Shard = NewType('Shard', int) # uint64
ValidatorIndex = NewType('ValidatorIndex', int) # uint64
Gwei = NewType('Gwei', int) # uint64
Bytes32 = NewType('Bytes32', bytes) # bytes32
BLSPubkey = NewType('BLSPubkey', bytes) # bytes48
BLSSignature = NewType('BLSSignature', bytes) # bytes96
Any = None
Store = None
""")
code_lines += function_puller.get_lines(sys.argv[1])
print(open(sys.argv[2]).read())
print(open(sys.argv[3]).read())
for line in code_lines:
print(line)
print(open(sys.argv[4]).read())
print(open(sys.argv[5]).read())