Remove references to xrefs command

myth

@@ -72,7 +72,6 @@ database.add_argument('--init-db', action='store_true', help='initialize the con
 database.add_argument('-s', '--search', help='search the contract database', metavar='EXPRESSION')
 
 utilities = parser.add_argument_group('utilities')
-utilities.add_argument('--xrefs', action='store_true', help='get xrefs from a contract')
 utilities.add_argument('--hash', help='calculate function signature hash', metavar='SIGNATURE')
 utilities.add_argument('--storage', help='read state variables from storage index, use with -a', metavar='INDEX,NUM_SLOTS,[array]')
 utilities.add_argument('--solv', help='specify solidity compiler version. If not present, will try to install it (Experimental)', metavar='SOLV')
@@ -130,7 +129,7 @@ with open(signatures_file) as f:
 
 # Parse cmdline 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.storage or args.truffle):
+if not (args.search or args.init_db or args.hash or args.disassemble or args.graph or args.fire_lasers or args.storage or args.truffle):
     parser.print_help()
     sys.exit()
 
@@ -202,12 +201,10 @@ if args.address or args.init_db:
             else:
                 try:
                     host, port = args.rpc.split(":")
-                    rpcconfig = (host, port, args.rpctls)
+                    rpcconfig = (host, int(port), args.rpctls)
 
                 except ValueError:
-                    exitWithError(args.outform, "Invalid RPC argument, use HOST:PORT")
+                    exitWithError(args.outform, "Invalid RPC argument, use 'ganache', 'infura-[network]' or 'HOST:PORT'")
-
-                rpcconfig = (host, int(port), args.tls)
 
         if (rpcconfig):
 
@@ -352,8 +349,6 @@ elif args.disassemble:
     easm_text = contracts[0].get_easm()
     sys.stdout.write(easm_text)
 
-elif args.xrefs:
-    print("\n".join(contracts[0].get_xrefs()))
 
 elif args.graph or args.fire_lasers:
     if not contracts:

mythril/ether/ethcontract.py

@@ -29,23 +29,6 @@ class ETHContract(persistent.Persistent):
             'disassembly': self.disassembly
         }
 
-    def get_xrefs(self):
-
-        instruction_list = Disassembly(self.code).instruction_list
-
-        xrefs = []
-
-        for instruction in instruction_list:
-            if instruction['opcode'] == "PUSH20":
-                if instruction['argument']:
-                    addr = instruction['argument']
-
-                    if (re.match(r'^0x[a-zA-Z0-9]{40}$', addr) and addr != "0xffffffffffffffffffffffffffffffffffffffff"):
-                        if addr not in xrefs:
-                            xrefs.append(addr)
-
-        return xrefs
-
     def get_easm(self):
 
         return Disassembly(self.code).get_easm()

tests/ethcontract_test.py

@@ -36,13 +36,3 @@ class MatchesExpressionTestCase(ETHContractTestCase):
 
         self.assertTrue(contract.matches_expression("code#PUSH1# or code#PUSH1#"),'Unexpected result in expression matching')
         self.assertFalse(contract.matches_expression("func#abcdef#"),'Unexpected result in expression matching')
-
-class GetXrefsTestCase(ETHContractTestCase):
-
-    def runTest(self):
-
-        contract = ETHContract(self.code)
-
-        xrefs = contract.get_xrefs()
-
-        self.assertEqual(xrefs[0], "0xc3b2ae46792547a96b9f84405e36d0e07edcd05c", 'Error getting xrefs from contract')