mirror of https://github.com/ConsenSys/mythril
blockchainethereumsmart-contractssoliditysecurityprogram-analysissecurity-analysissymbolic-execution
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46 lines
2.4 KiB
46 lines
2.4 KiB
from mythril.disassembler.disassembly import Disassembly
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from mythril.laser.ethereum import svm
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from mythril.laser.ethereum.state.account import Account
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from mythril.laser.ethereum.state.world_state import WorldState
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import mythril.laser.ethereum.cfg as cfg
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def test_intercontract_call():
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# Arrange
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cfg.gbl_next_uid = 0
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caller_code = Disassembly(
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"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"
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)
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caller_address = "0xaffeaffeaffeaffeaffeaffeaffeaffeaffeaffe"
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callee_code = Disassembly(
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"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"
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)
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callee_address = "0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef"
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world_state = WorldState()
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caller_account = Account(caller_address, caller_code, contract_name="Caller")
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callee_account = Account(callee_address, callee_code, contract_name="Callee")
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world_state.put_account(callee_account)
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world_state.put_account(caller_account)
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laser = svm.LaserEVM()
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# Act
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laser.sym_exec(world_state=world_state, target_address=int(caller_address, 16))
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# Assert
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# Initial node starts in contract caller
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assert len(laser.nodes.keys()) > 0
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assert laser.nodes[0].contract_name == "Caller"
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# At one point we call into contract callee
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for node in laser.nodes.values():
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if node.contract_name == "Callee":
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assert len(node.states[0].transaction_stack) > 1
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return
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assert False
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