94d2e94bf1
* Fixes symbolic reentrancy example * Fix coverage Issue# 527 * Remove debug unused code * New solidity biased API and reporting * Updated examples to new api WIP * simple_mapping FIXED. new api * Simple transaction example added. msg.value can be symbolic now * Reentrancy symbolic now updated to new API + bugfixes
41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
from seth import *
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seth = ManticoreEVM()
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#And now make the contract account to analyze
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source_code = '''
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pragma solidity ^0.4.15;
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contract Overflow {
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event Log(string);
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uint private sellerBalance=0;
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function add(uint value) returns (bool){
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sellerBalance += value; // complicated math with possible overflow
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// possible auditor assert
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assert(sellerBalance >= value);
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}
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}
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'''
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#Initialize user and contracts
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user_account = seth.create_account(balance=1000)
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contract_account = seth.solidity_create_contract(source_code, owner=user_account, balance=0)
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#First add wont owerflow uint256 representation
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contract_account.add(seth.SValue)
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#Potential overflow
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contract_account.add(seth.SValue)
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print "[+] There are %d reverted states now"% len(seth.final_state_ids)
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for state_id in seth.final_state_ids:
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seth.report(state_id)
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print "[+] There are %d alive states now"% len(seth.running_state_ids)
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for state_id in seth.running_state_ids:
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seth.report(state_id)
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print "[+] Global coverage: %x"% contract_account
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print seth.coverage(contract_account)
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