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execution-grounded-evaluation
blockchain
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edbc049 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 | """
ERC1155 Transfer Single Validator
Validate ERC1155 single token ID transfer operation.
"""
from typing import Dict, Any
class ERC1155TransferSingleValidator:
"""Validate ERC1155 safeTransferFrom operation"""
def __init__(
self,
nft_address: str,
to_address: str,
token_id: int,
amount: int
):
self.nft_address = nft_address.lower()
self.to_address = to_address.lower()
self.token_id = token_id
self.expected_amount = amount
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 ERC1155 transfer 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 executed successfully (30%)
2. Correct contract called: ERC1155 contract (20%)
3. Used function: safeTransferFrom (20%)
4. Sender balance decreased, receiver balance increased (30%)
"""
checks = []
total_score = 0
# 1. Validate transaction success (30 points)
tx_status = receipt.get('status', 0)
if tx_status == 1:
checks.append({
'name': 'Transaction Success',
'passed': True,
'message': 'Transaction executed successfully',
'score': 30
})
total_score += 30
else:
checks.append({
'name': 'Transaction Success',
'passed': False,
'message': f'Transaction failed with status: {tx_status}',
'score': 30
})
# If transaction failed, return directly
return {
'passed': False,
'score': 0,
'max_score': self.max_score,
'checks': checks,
'details': {
'nft_address': self.nft_address,
'to_address': self.to_address,
'token_id': self.token_id,
'expected_amount': self.expected_amount,
'transaction_status': tx_status
}
}
# 2. ValidateCorrect contract called: ERC1155 contract (20 points)
tx_to = tx.get('to', '').lower()
if tx_to == self.nft_address:
checks.append({
'name': 'Contract Address',
'passed': True,
'message': f'Correct ERC1155 contract: {tx_to}',
'score': 20
})
total_score += 20
else:
checks.append({
'name': 'Contract Address',
'passed': False,
'message': f'Wrong contract. Expected: {self.nft_address}, Got: {tx_to}',
'score': 20
})
# 3. Validate Used function: safeTransferFrom (20 points)
tx_data = tx.get('data', '') or tx.get('input', '')
if isinstance(tx_data, bytes):
tx_data = tx_data.hex()
if isinstance(tx_data, str) and tx_data.startswith('0x'):
tx_data = tx_data[2:]
# safeTransferFrom(address,address,uint256,uint256,bytes) function selector
expected_selector = '0xf242432a'
actual_selector = 'N/A'
if len(tx_data) >= 8:
actual_selector = '0x' + tx_data[:8]
if actual_selector.lower() == expected_selector.lower():
checks.append({
'name': 'Function Signature',
'passed': True,
'message': f'Correct safeTransferFrom selector: {actual_selector}',
'score': 20,
'details': {
'expected': expected_selector,
'actual': actual_selector
}
})
total_score += 20
else:
checks.append({
'name': 'Function Signature',
'passed': False,
'message': f'Incorrect function selector. Expected safeTransferFrom ({expected_selector}), got {actual_selector}',
'score': 20,
'details': {
'expected': expected_selector,
'actual': actual_selector
}
})
else:
checks.append({
'name': 'Function Signature',
'passed': False,
'message': 'Transaction data too short or missing',
'score': 20
})
# 4. Validate balance change (30 points)
sender_balance_before = state_before.get('erc1155_balance', 0)
sender_balance_after = state_after.get('erc1155_balance', 0)
recipient_balance_before = state_before.get('target_erc1155_balance', 0)
recipient_balance_after = state_after.get('target_erc1155_balance', 0)
sender_decrease = sender_balance_before - sender_balance_after
recipient_increase = recipient_balance_after - recipient_balance_before
balance_check_passed = (
sender_decrease == self.expected_amount and
recipient_increase == self.expected_amount
)
if balance_check_passed:
checks.append({
'name': 'Balance Transfer',
'passed': True,
'message': f'Balances changed correctly: -{self.expected_amount} from sender, +{self.expected_amount} to recipient',
'score': 30,
'details': {
'sender_balance_before': sender_balance_before,
'sender_balance_after': sender_balance_after,
'sender_decrease': sender_decrease,
'recipient_balance_before': recipient_balance_before,
'recipient_balance_after': recipient_balance_after,
'recipient_increase': recipient_increase,
'expected_amount': self.expected_amount
}
})
total_score += 30
else:
checks.append({
'name': 'Balance Transfer',
'passed': False,
'message': f'Balance mismatch. Expected: {self.expected_amount}, Sender decrease: {sender_decrease}, Recipient increase: {recipient_increase}',
'score': 30,
'details': {
'sender_balance_before': sender_balance_before,
'sender_balance_after': sender_balance_after,
'sender_decrease': sender_decrease,
'recipient_balance_before': recipient_balance_before,
'recipient_balance_after': recipient_balance_after,
'recipient_increase': recipient_increase,
'expected_amount': self.expected_amount
}
})
# Aggregate results
all_passed = all(check['passed'] for check in checks)
return {
'passed': all_passed,
'score': total_score,
'max_score': self.max_score,
'checks': checks,
'details': {
'nft_address': self.nft_address,
'to_address': self.to_address,
'token_id': self.token_id,
'expected_amount': self.expected_amount,
'sender_balance_before': sender_balance_before,
'sender_balance_after': sender_balance_after,
'recipient_balance_before': recipient_balance_before,
'recipient_balance_after': recipient_balance_after,
'actual_selector': actual_selector
}
}
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