Remove ununsed utility methods

myth

@@ -14,6 +14,7 @@ from mythril.rpc.client import EthJsonRpc
 from mythril.ipc.client import EthIpc
 from ethereum import utils
 from laser.ethereum import laserfree
+import yaml
 import logging
 import binascii
 import sys
@@ -62,12 +63,18 @@ options.add_argument('--ipc', help='use IPC interface instead of RPC', action='s
 options.add_argument('--enable-physics', type=bool, default=False, help='enable graph physics simulation')
 options.add_argument('-v', type=int, help='log level (0-2)', metavar='LOG_LEVEL')
 
+# Get config values
 
 try:
     db_dir = os.environ['DB_DIR']
 except KeyError:
     db_dir = None
 
+try:
+    solc_binary = os.environ['SOLC']
+except KeyError:
+    solc_binary = 'solc'
+
 args = parser.parse_args()
 
 if not (args.search or args.init_db or args.hash or args.disassemble or args.graph or args.xrefs or args.fire_lasers or args.trace):

mythril/ether/util.py

@@ -1,5 +1,3 @@
-from mythril.rpc.client import EthJsonRpc
-from mythril.ipc.client import EthIpc
 from ethereum.abi import encode_abi, encode_int
 from ethereum.utils import zpad
 from ethereum.abi import method_id
@@ -21,48 +19,8 @@ def compile_solidity(file):
     return m.group(1)
 
 
-def bytecode_from_blockchain(creation_tx_hash, ipc, rpc_host='127.0.0.1', rpc_port=8545, rpc_tls=False):
-    """Load bytecode from a local node via
-    creation_tx_hash = ID of transaction that created the contract.
-    """
-    if ipc:
-        eth = EthIpc()
-
-    else:
-        eth = EthJsonRpc(rpc_host, rpc_port, rpc_tls)
-
-    trace = eth.traceTransaction(creation_tx_hash)
-
-    if trace['returnValue']:
-
-        return trace['returnValue']
-
-    raise RuntimeError("Transaction trace didn't return any bytecode")
-
-
 def encode_calldata(func_name, arg_types, args):
     mid = method_id(func_name, arg_types)
     function_selector = zpad(encode_int(mid), 4)
     args = encode_abi(arg_types, args)
     return "0x" + function_selector.hex() + args.hex()
-
-def raw_bytes_to_file(filename, bytestring):
-    with open(filename, 'wb') as f:
-        f.write(bytestring)
-
-
-def file_to_raw_bytes(filename):
-    with open(filename, 'rb') as f:
-        data = f.read()
-    return data
-
-
-def string_to_file(filename, string):
-    with open(filename, 'w') as f:
-        f.write(string)
-
-
-def file_to_string(filename):
-    with open(filename, 'r') as f:
-        data = f.read()
-    return data