Datasets:
Tasks:
Text Generation
Modalities:
Text
Formats:
json
Languages:
English
Size:
< 1K
ArXiv:
Tags:
benchmark
code-generation
transaction-code-generation
execution-grounded-evaluation
blockchain
evm
License:
| """ | |
| ERC20 Permit Validator (EIP-2612) | |
| Validates that the permit function correctly sets token allowance using signature-based approval. | |
| """ | |
| from typing import Dict, Any | |
| from decimal import Decimal | |
| class ERC20PermitValidator: | |
| """Validator for EIP-2612 permit operations""" | |
| def __init__( | |
| self, | |
| token_address: str, | |
| owner_address: str, | |
| spender_address: str, | |
| value: float, | |
| token_decimals: int = 18 | |
| ): | |
| self.token_address = token_address.lower() | |
| self.owner_address = owner_address.lower() | |
| self.spender_address = spender_address.lower() | |
| # Use Decimal for precise calculation | |
| self.expected_allowance = int(Decimal(str(value)) * Decimal(10 ** token_decimals)) | |
| self.token_decimals = token_decimals | |
| self.max_score = 100 | |
| def validate( | |
| self, | |
| tx: Dict[str, Any], | |
| receipt: Dict[str, Any], | |
| state_before: Dict[str, Any], | |
| state_after: Dict[str, Any] | |
| ) -> Dict[str, Any]: | |
| """ | |
| Validate EIP-2612 permit transaction | |
| Args: | |
| tx: Transaction object | |
| receipt: Transaction receipt | |
| state_before: State before transaction | |
| state_after: State after transaction | |
| Returns: | |
| Validation result dictionary | |
| Checks: | |
| 1. Transaction success (40%) | |
| 2. Allowance correctly set (60%) | |
| """ | |
| checks = [] | |
| score = 0 | |
| details = { | |
| 'token_address': self.token_address, | |
| 'owner_address': self.owner_address, | |
| 'spender_address': self.spender_address, | |
| 'expected_allowance': self.expected_allowance | |
| } | |
| # Check 1: Transaction success (40 points) | |
| tx_success = receipt.get('status') == 1 | |
| if tx_success: | |
| score += 40 | |
| checks.append({ | |
| 'name': 'Transaction Success', | |
| 'passed': True, | |
| 'points': 40, | |
| 'message': 'Permit transaction executed successfully' | |
| }) | |
| else: | |
| checks.append({ | |
| 'name': 'Transaction Success', | |
| 'passed': False, | |
| 'points': 0, | |
| 'message': f"Transaction failed with status: {receipt.get('status')}" | |
| }) | |
| # Early return on transaction failure | |
| return { | |
| 'score': score, | |
| 'max_score': self.max_score, | |
| 'passed': False, | |
| 'checks': checks, | |
| 'details': details | |
| } | |
| # Check 2: Allowance correctly set (60 points) | |
| # Get allowance from state_after (should be queried by executor) | |
| actual_allowance = state_after.get('allowance', 0) | |
| details['allowance_before'] = state_before.get('allowance', 0) | |
| details['allowance_after'] = actual_allowance | |
| if actual_allowance == self.expected_allowance: | |
| score += 60 | |
| checks.append({ | |
| 'name': 'Allowance Set Correctly', | |
| 'passed': True, | |
| 'points': 60, | |
| 'message': f'Allowance correctly set to {self.expected_allowance} units', | |
| 'details': { | |
| 'expected': self.expected_allowance, | |
| 'actual': actual_allowance | |
| } | |
| }) | |
| else: | |
| checks.append({ | |
| 'name': 'Allowance Set Correctly', | |
| 'passed': False, | |
| 'points': 0, | |
| 'message': f'Allowance mismatch. Expected: {self.expected_allowance}, Got: {actual_allowance}', | |
| 'details': { | |
| 'expected': self.expected_allowance, | |
| 'actual': actual_allowance | |
| } | |
| }) | |
| # Determine overall pass/fail | |
| all_passed = all(check['passed'] for check in checks) | |
| return { | |
| 'score': score, | |
| 'max_score': self.max_score, | |
| 'passed': all_passed, | |
| 'checks': checks, | |
| 'details': details | |
| } | |