mirror of https://github.com/ConsenSys/mythril
blockchainethereumsmart-contractssoliditysecurityprogram-analysissecurity-analysissymbolic-execution
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38 lines
963 B
38 lines
963 B
7 years ago
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from ether.jsonrpc import EthJsonRpcWithDebug
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def safe_decode(hex_encoded_string):
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if (hex_encoded_string.startswith("0x")):
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return hex_encoded_string[2:].decode("hex")
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else:
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return hex_encoded_string.decode("hex")
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def bytecode_from_blockchain(creation_tx_hash, rpc_host='127.0.0.1', rpc_port=8545):
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"""Load bytecode from a local node via
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creation_tx_hash = ID of transaction that created the contract.
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"""
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eth = EthJsonRpcWithDebug('127.0.0.1', 8545)
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# receipt = eth.eth_getTransactionReceipt(creation_tx_hash)
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trace = eth.traceTransaction(creation_tx_hash)
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if trace['returnValue']:
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return trace['returnValue']
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raise RuntimeError("Transaction trace didn't return any bytecode")
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def string_to_file(filename, string):
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outfile = open(filename, "w")
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outfile.write(string)
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outfile.close()
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def file_to_string(filename):
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infile = open(filename, "r")
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return infile.read()
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