def test_chunk_iteration():
chunk_number = COLLATION_SIZE // CHUNK_SIZE
test_chunks = [
zpad_left(int_to_big_endian(i), CHUNK_SIZE)
for i in range(chunk_number)
]
chunks = test_chunks
body = b"".join(chunks)
for recovered, original in zip_longest(chunk_iterator(body),
chunks,
fillvalue=None):
assert recovered is not None and original is not None
assert recovered == original
chunks = test_chunks[:-2]
body = b"".join(chunks)
for recovered, original in zip_longest(chunk_iterator(body),
chunks,
fillvalue=None):
assert recovered is not None and original is not None
assert recovered == original
body = b"".join(test_chunks)[:-2]
with pytest.raises(ValueError):
next(chunk_iterator(body))
def modexp(computation):
"""
https://github.com/ethereum/EIPs/pull/198
"""
gas_fee = _compute_modexp_gas_fee(computation.msg.data)
computation.gas_meter.consume_gas(gas_fee, reason='MODEXP Precompile')
result = _modexp(computation.msg.data)
_, _, modulus_length = _extract_lengths(computation.msg.data)
result_bytes = zpad_left(int_to_big_endian(result), to_size=modulus_length)
computation.output = result_bytes
return computation
def modexp(computation):
"""
https://github.com/ethereum/EIPs/pull/198
"""
gas_fee = _compute_modexp_gas_fee(computation.msg.data)
computation.gas_meter.consume_gas(gas_fee, reason='MODEXP Precompile')
result = _modexp(computation.msg.data)
_, _, modulus_length = _extract_lengths(computation.msg.data)
result_bytes = zpad_left(int_to_big_endian(result), to_size=modulus_length)
computation.output = result_bytes
return computation
DATA_LOGGING_CONTRACT_CODE = (
b"\x36\x60\x00\x60\x00\x37\x36\x60\x00\x20\x60\x00\x52\x60\x20\x60\x00\xa0"
)
DATA_LOGGING_CONTRACT_ADDRESS = generate_CREATE2_contract_address(
b"", DATA_LOGGING_CONTRACT_CODE)
HELPER_CONTRACTS = {
ACCOUNT_ADDRESS: ACCOUNT_CODE,
NOOP_CONTRACT_ADDRESS: NOOP_CONTRACT_CODE,
FAILING_CONTRACT_ADDRESS: FAILING_CONTRACT_CODE,
GAS_LOGGING_CONTRACT_ADDRESS: GAS_LOGGING_CONTRACT_CODE,
DATA_LOGGING_CONTRACT_ADDRESS: DATA_LOGGING_CONTRACT_CODE,
}
DESTINATION_ADDRESS = b"\xbb" * 20
ECRECOVER_ADDRESS = zpad_left(int_to_big_endian(ECRECOVER_ADDRESS_INT), 20)
DEFAULT_BASE_TX_PARAMS = {
"chain_id": 1,
"shard_id": 1,
"to": ACCOUNT_ADDRESS,
"gas": 500000,
"access_list": [
[ACCOUNT_ADDRESS, b"\x00" * 32],
[ECRECOVER_ADDRESS],
],
"code": b"",
"salt": b"\x00" * 32,
}
DEFAULT_TX_PARAMS = merge(