Usability: Auto-create data dir and sigs file

pull/48/head
Bernhard Mueller 7 years ago
parent 7501c7fd10
commit f57c30310b
  1. 44
      myth

44
myth

@ -88,6 +88,35 @@ except KeyError:
solc_binary = 'solc'
# Initialize data directry and singature database
if not os.path.exists(mythril_dir):
logging.info("Creating mythril data directory")
os.mkdir(mythril_dir)
# If no function signature file exists, create it. Function signatures from Solidity source code are added automatically.
signatures_file = os.path.join(mythril_dir, 'signatures.json')
if not os.path.exists(signatures_file):
print("No signature database found. Creating empty database: " + signatures_file + "\n" \
"Consider replacing it with the pre-initialized database at " \
"https://raw.githubusercontent.com/ConsenSys/mythril/master/signatures.json")
sigs = {}
with open(signatures_file, 'a') as f:
json.dump({},f)
else:
with open(signatures_file) as f:
try:
sigs = json.load(f)
except JSONDecodeError as e:
exitWithError("Invalid JSON in signatures file " + signatures_file + "\n" + str(e))
# Parse cmdline args
args = parser.parse_args()
@ -141,21 +170,6 @@ if args.search or args.init_db:
sys.exit()
# If no function signature file exists, create it. Function signatures from Solidity source code are added automatically.
signatures_file = os.path.join(mythril_dir, 'signatures.json')
if not os.path.exists(signatures_file):
sigs = {}
else:
with open(signatures_file) as f:
try:
sigs = json.load(f)
except JSONDecodeError as e:
exitWithError("Invalid JSON in signatures file " + signatures_file + "\n" + str(e))
# Load / compile input contracts
contracts = []

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