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import os | |
from multiprocessing import Pool, cpu_count | |
import click | |
from mythril.mythril import SolidityContract, Report, SymExecWrapper, fire_lasers | |
import resource | |
@click.command() | |
@click.option('--contract-directory', '-i', default="./input") | |
@click.option('--output-directory', '-o', default="./output") | |
@click.option('--cores', default=4) | |
@click.option('--memory', default=8) | |
def main(contract_directory, output_directory, cores, memory): | |
rsrc = resource.RLIMIT_DATA | |
soft, hard = resource.getrlimit(rsrc) | |
resource.setrlimit(rsrc, (memory * 1073741824, hard)) | |
fenrir(contract_directory, output_directory, cores) | |
def analyze_contract(input_output): | |
path, output = input_output | |
contract = SolidityContract(path) | |
issues = fire_lasers(SymExecWrapper(contract, "", "dfs"), None) | |
report = Report() | |
for issue in issues: | |
report.append_issue(issue) | |
if len(issues) > 0: | |
with open(output, 'w+') as output_file: | |
output_file.write(report.as_markdown()) | |
output_file.flush() | |
def fenrir(contract_directory: str, output_directory: str, cores: int): | |
if cores > cpu_count(): | |
print("[*] Your computer is not BEAST enough for that") | |
return | |
pool = Pool(cores) | |
if not os.path.isdir(contract_directory): | |
print("[*] Contract directory doesn't exist") | |
return | |
if not os.path.isdir(output_directory): | |
print("[*] Output directory doesn't exist, creating ...") | |
os.mkdir(output_directory) | |
def names(filename): | |
return "{}/{}".format(contract_directory, filename), "{}/{}.md".format(output_directory, filename) | |
contract_files = list(map(names, os.listdir(contract_directory))) | |
pool.map(analyze_contract, contract_files) | |
pool.close() | |
pool.join() | |
if __name__ == "__main__": | |
main() |
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