Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

feat: new forge frontend #118

Merged
merged 12 commits into from
Jul 14, 2023
1 change: 0 additions & 1 deletion pyproject.toml
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,6 @@ classifiers = [
]
requires-python = ">=3.8"
dependencies = [
"crytic-compile >= 0.3.0, < 0.3.2",
daejunpark marked this conversation as resolved.
Show resolved Hide resolved
"z3-solver",
]
dynamic = ["version"]
Expand Down
1 change: 0 additions & 1 deletion requirements.txt
Original file line number Diff line number Diff line change
@@ -1,2 +1 @@
crytic-compile >= 0.3.0, < 0.3.2
z3-solver
134 changes: 76 additions & 58 deletions src/halmos/__main__.py
Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,6 @@
import re
import traceback

from crytic_compile import cryticparser
from crytic_compile import CryticCompile, InvalidCompilation
from dataclasses import dataclass
from timeit import default_timer as timer
from importlib import metadata
Expand All @@ -29,24 +27,6 @@
if hasattr(sys, 'set_int_max_str_digits'): # Python version >=3.8.14, >=3.9.14, >=3.10.7, or >=3.11
sys.set_int_max_str_digits(0)

def mk_crytic_parser() -> argparse.ArgumentParser:
crytic_compile_parser = argparse.ArgumentParser()
cryticparser.init(crytic_compile_parser)
return crytic_compile_parser

def print_help_compile(crytic_compile_parser: argparse.ArgumentParser) -> None:
formatter = crytic_compile_parser._get_formatter()
for action_group in crytic_compile_parser._action_groups:
if action_group.title == 'options':
# prints "--help", which is not helpful
continue

formatter.start_section(action_group.title)
formatter.add_text(action_group.description)
formatter.add_arguments(action_group._group_actions)
formatter.end_section()
crytic_compile_parser._print_message(formatter.format_help())

def parse_args(args=None) -> argparse.Namespace:
parser = argparse.ArgumentParser(prog='halmos', epilog='For more information, see https://github.com/a16z/halmos')

Expand Down Expand Up @@ -81,7 +61,7 @@ def parse_args(args=None) -> argparse.Namespace:
# build options
group_build = parser.add_argument_group("Build options")

group_build.add_argument('--help-compile', action='store_true', help='print build options (foundry, hardhat, etc.)')
group_build.add_argument('--forge-build-out', metavar='DIRECTORY_NAME', default='out', help='forge build artifacts directory name (default: %(default)s)')

# smt solver options
group_solver = parser.add_argument_group("Solver options")
Expand Down Expand Up @@ -114,7 +94,7 @@ def parse_args(args=None) -> argparse.Namespace:
group_experimental.add_argument('--symbolic-jump', action='store_true', help='support symbolic jump destination')
group_experimental.add_argument('--print-potential-counterexample', action='store_true', help='print potentially invalid counterexamples')

return parser.parse_known_args(args)
return parser.parse_args(args)

@dataclass(frozen=True)
class FunctionInfo:
Expand All @@ -129,8 +109,7 @@ def str_tuple(args: List) -> str:
for arg in args:
typ = arg['type']
if typ == 'tuple':
# ret.append(str_tuple(arg['components']))
ret.append(typ) # crytic-compile bug
ret.append(str_tuple(arg['components']))
else:
ret.append(typ)
return '(' + ','.join(ret) + ')'
Expand Down Expand Up @@ -310,7 +289,7 @@ def setup(

setup_sig, setup_name, setup_selector = setup_info.sig, setup_info.name, setup_info.selector
if setup_sig:
wstore(setup_ex.calldata, 0, 4, BitVecVal(setup_selector, 32))
wstore(setup_ex.calldata, 0, 4, BitVecVal(int(setup_selector, 16), 32))
dyn_param_size = [] # TODO: propagate to run
mk_calldata(abi, setup_info, setup_ex.calldata, dyn_param_size, args)

Expand Down Expand Up @@ -379,7 +358,7 @@ def run(

cd = []

wstore(cd, 0, 4, BitVecVal(funselector, 32))
wstore(cd, 0, 4, BitVecVal(int(funselector, 16), 32))

dyn_param_size = []
mk_calldata(abi, fun_info, cd, dyn_param_size, args)
Expand Down Expand Up @@ -783,6 +762,49 @@ def mk_arrlen(args: argparse.Namespace) -> Dict[str, int]:
return arrlen


def parse_build_out(args: argparse.Namespace) -> Dict:
result = {} # compiler version -> source filename -> contract name -> (json, type)

out_path = os.path.join(args.root, args.forge_build_out)
if not os.path.exists(out_path): raise ValueError('not exist', out_path)
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Suggested change
if not os.path.exists(out_path): raise ValueError('not exist', out_path)
if not os.path.exists(out_path): raise ValueError(f'{out_path} does not exist')

Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

alternatively, we may want to throw the built-in FileNotFoundError?


for sol_dirname in os.listdir(out_path): # for each source filename
if not sol_dirname.endswith('.sol'): continue

sol_path = os.path.join(out_path, sol_dirname)
if not os.path.isdir(sol_path): continue

for json_filename in os.listdir(sol_path): # for each contract name
if not json_filename.endswith('.json'): continue
if json_filename.startswith('.'): continue

json_path = os.path.join(sol_path, json_filename)
with open(json_path, encoding='utf8') as f:
json_out = json.load(f)

compiler_version = json_out['metadata']['compiler']['version']
if compiler_version not in result:
result[compiler_version] = {}
if sol_dirname not in result[compiler_version]:
result[compiler_version][sol_dirname] = {}
contract_map = result[compiler_version][sol_dirname]

contract_name = json_filename.split('.')[0] # cut off compiler version number as well

contract_type = None
for node in json_out['ast']['nodes']:
if node['nodeType'] == 'ContractDefinition' and node['name'] == contract_name:
abstract = 'abstract ' if node.get('abstract') else ''
contract_type = abstract + node['contractKind']
break
if contract_type is None: raise ValueError('no contract type', contract_name)

if contract_name in contract_map: raise ValueError('duplicate contract names in the same file', contract_name, sol_dirname)
contract_map[contract_name] = (json_out, contract_type)

return result


def main() -> int:
main_start = timer()

Expand All @@ -799,12 +821,7 @@ def main() -> int:
#

global args
args, halmos_unknown_args = parse_args()

crytic_compile_parser = mk_crytic_parser()
if args.help_compile:
print_help_compile(crytic_compile_parser)
return 0
args = parse_args()

if args.version:
print(f"Halmos {metadata.version('halmos')}")
Expand All @@ -819,19 +836,25 @@ def main() -> int:
# compile
#

try:
crytic_compile_args, crytic_compile_unknown_args = crytic_compile_parser.parse_known_args()
build_cmd = [
'forge', # shutil.which('forge')
daejunpark marked this conversation as resolved.
Show resolved Hide resolved
'build',
'--root', args.root,
'--extra-output', 'storageLayout', 'metadata'
]

both_unknown = set(halmos_unknown_args) & set(crytic_compile_unknown_args)
if both_unknown:
print(color_warn(f'error: unrecognized arguments: {" ".join(both_unknown)}'))
return 1
# run forge without capturing stdout/stderr
build_exitcode = subprocess.run(build_cmd).returncode
daejunpark marked this conversation as resolved.
Show resolved Hide resolved

cryticCompile = CryticCompile(target=args.root, **vars(crytic_compile_args))
except InvalidCompilation as e:
print(color_warn(f'Parse error: {e}'))
if build_exitcode:
print(color_warn(f'build failed: {build_cmd}'))
return 1

try:
build_out = parse_build_out(args)
except Error as err:
print(color_warn(f'build output parsing failed: {err}'))
daejunpark marked this conversation as resolved.
Show resolved Hide resolved

main_mid = timer()

#
Expand All @@ -842,30 +865,25 @@ def main() -> int:
total_failed = 0
total_found = 0

for compilation_id, compilation_unit in cryticCompile.compilation_units.items():

for filename in sorted(compilation_unit.filenames):
contracts_names = compilation_unit.filename_to_contracts[filename]
source_unit = compilation_unit.source_units[filename]

if args.contract:
if args.contract not in contracts_names: continue
contracts = [args.contract]
else:
contracts = sorted(contracts_names)
for compiler_version in sorted(build_out):
build_out_map = build_out[compiler_version]
for filename in sorted(build_out_map):
for contract_name in sorted(build_out_map[filename]):
if args.contract and args.contract != contract_name: continue

for contract in contracts:
contract_start = timer()
(contract_json, contract_type) = build_out_map[filename][contract_name]
if contract_type != 'contract': continue

hexcode = source_unit.bytecodes_runtime[contract]
abi = source_unit.abis[contract]
methodIdentifiers = source_unit.hashes(contract)
hexcode = contract_json['deployedBytecode']['object']
abi = contract_json['abi']
methodIdentifiers = contract_json['methodIdentifiers']

funsigs = [funsig for funsig in methodIdentifiers if funsig.startswith(args.function)]

if funsigs:
total_found += len(funsigs)
print(f'\nRunning {len(funsigs)} tests for {filename.short}:{contract}')
print(f"\nRunning {len(funsigs)} tests for {contract_json['ast']['absolutePath']}:{contract_name}")
contract_start = timer()

run_args = RunArgs(funsigs, hexcode, abi, methodIdentifiers)
enable_parallel = args.test_parallel and len(funsigs) > 1
Expand Down
6 changes: 2 additions & 4 deletions tests/test_cli.py
Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ def setup_sig():

@pytest.fixture
def setup_selector():
return int('0a9254e4', 16)
return '0a9254e4'


def test_decode_concrete_bytecode():
Expand Down Expand Up @@ -227,9 +227,7 @@ def test_decode():
"type": "function"
}
"""),
# TODO: fix crytic-compile bug
# 'fooStruct(((uint256,uint256),uint256),uint256)'
('fooStruct(tuple,uint256)', """
('fooStruct(((uint256,uint256),uint256),uint256)', """
{
"inputs": [
{
Expand Down
2 changes: 1 addition & 1 deletion tests/test_fixtures.py
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@

@pytest.fixture
def args():
(args, unknown_args) = parse_args([])
args = parse_args([])

# set the global args for the main module
halmos.__main__.args = args
Expand Down