tasks/task_hard.py

import os

# Load Hard task metadata
DIR = os.path.dirname(os.path.abspath(__file__))
CONTRACT_PATH = os.path.join(DIR, "..", "contracts", "hard_complex.sol")

with open(CONTRACT_PATH, "r", encoding="utf-8") as f:
    CONTRACT_CODE = f.read()

HARD_TASK = {
    "name": "ComplexAudit",
    "code": CONTRACT_CODE,
    "description": "Complete security audit of complex contract with hidden vulns, access control, and delegatecall issues.",
    "ground_truth": {
        "vulnerabilities": [
            {
                "type": "access control",
                "line": 23,
                "severity": "critical",
                "description": "Insecure setter for manager role"
            },
            {
                "type": "delegatecall",
                "line": 31,
                "severity": "critical",
                "description": "Dangerously executing delegatecall on arbitrary user-provided targets and data"
            }
        ]
    }
}