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:
File size: 8,316 Bytes
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 | """
BNB Transfer with Message Validator
Validates that a BNB transfer transaction includes a text message in the data field
"""
from typing import Dict, Any
class BNBTransferWithMessageValidator:
"""Validator for BNB transfers with attached text messages"""
def __init__(self, to_address: str, amount: float, message: str):
"""
Initialize validator
Args:
to_address: Expected recipient address
amount: Expected transfer amount in BNB (float)
message: Expected message text
"""
from decimal import Decimal
self.expected_to = to_address.lower()
# Use Decimal for precise BNB to wei conversion
self.expected_amount = int(Decimal(str(amount)) * Decimal(10**18))
self.expected_message = message
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 the transaction execution results
Args:
tx: Transaction object
receipt: Transaction receipt
state_before: Blockchain state before transaction
state_after: Blockchain state after transaction
Returns:
Validation results including score and details
"""
score = 0
details = {}
checks = []
# Check 1: Transaction success (20 points)
tx_success = receipt.get('status') == 1
if tx_success:
score += 20
checks.append({
'name': 'Transaction Success',
'passed': True,
'points': 20,
'message': 'Transaction executed successfully'
})
else:
checks.append({
'name': 'Transaction Success',
'passed': False,
'points': 0,
'message': f"Transaction failed with status: {receipt.get('status')}"
})
return {
'score': score,
'max_score': self.max_score,
'passed': False,
'checks': checks,
'details': details
}
# Use the transaction object and receipt
tx_object = tx
tx_receipt = receipt
# Check 2: Recipient address (20 points)
actual_to = tx_object.get('to', '').lower()
to_correct = actual_to == self.expected_to
if to_correct:
score += 20
checks.append({
'name': 'Recipient Address',
'passed': True,
'points': 20,
'message': f'Correct recipient: {self.expected_to}'
})
else:
checks.append({
'name': 'Recipient Address',
'passed': False,
'points': 0,
'message': f'Expected: {self.expected_to}, Got: {actual_to}'
})
details['expected_to'] = self.expected_to
details['actual_to'] = actual_to
# Check 3: Transfer amount (20 points)
actual_value = int(tx_object.get('value', 0))
amount_correct = actual_value == self.expected_amount
if amount_correct:
score += 20
checks.append({
'name': 'Transfer Amount',
'passed': True,
'points': 20,
'message': f'Correct amount: {self.expected_amount} wei'
})
else:
checks.append({
'name': 'Transfer Amount',
'passed': False,
'points': 0,
'message': f'Expected: {self.expected_amount} wei, Got: {actual_value} wei'
})
details['expected_amount'] = self.expected_amount
details['actual_amount'] = actual_value
# Check 4: Message in transaction data (30 points)
tx_data = tx_object.get('data', '0x')
# Decode the data field
message_found = False
message_correct = False
decoded_message = None
if tx_data and tx_data != '0x':
try:
# Remove '0x' prefix and convert hex to bytes
data_bytes = bytes.fromhex(tx_data[2:])
# Try to decode as UTF-8
try:
decoded_message = data_bytes.decode('utf-8')
message_found = True
# Check if expected message is in the decoded data
if self.expected_message in decoded_message:
message_correct = True
elif decoded_message.strip() == self.expected_message.strip():
message_correct = True
except UnicodeDecodeError:
# Try to decode as ASCII
try:
decoded_message = data_bytes.decode('ascii', errors='ignore')
message_found = True
if self.expected_message in decoded_message:
message_correct = True
except:
pass
except Exception as e:
details['decode_error'] = str(e)
if message_correct:
score += 30
checks.append({
'name': 'Message in Data Field',
'passed': True,
'points': 30,
'message': f'Message correctly encoded: "{self.expected_message}"'
})
elif message_found:
# Message found but not exact match - no partial credit for consistency
checks.append({
'name': 'Message in Data Field',
'passed': False,
'points': 0,
'message': f'Message found but not exact match. Expected: "{self.expected_message}", Got: "{decoded_message}"'
})
else:
checks.append({
'name': 'Message in Data Field',
'passed': False,
'points': 0,
'message': f'No message found in transaction data. Expected: "{self.expected_message}"'
})
details['expected_message'] = self.expected_message
details['tx_data'] = tx_data
details['decoded_message'] = decoded_message
# Check 5: Balance change (10 points)
balance_before = state_before.get('balance', 0)
balance_after = state_after.get('balance', 0)
gas_used = tx_receipt.get('gasUsed', 0)
gas_price = tx_receipt.get('effectiveGasPrice', 0)
gas_cost = gas_used * gas_price
expected_balance = balance_before - self.expected_amount - gas_cost
balance_diff = abs(balance_after - expected_balance)
# Allow 0.1% tolerance for rounding errors
tolerance = max(int(self.expected_amount * 0.001), 1)
balance_correct = balance_diff <= tolerance
if balance_correct:
score += 10
checks.append({
'name': 'Balance Change',
'passed': True,
'points': 10,
'message': 'Balance decreased correctly (including gas)'
})
else:
checks.append({
'name': 'Balance Change',
'passed': False,
'points': 0,
'message': f'Balance mismatch. Expected: {expected_balance}, Got: {balance_after}, Diff: {balance_diff}'
})
details['balance_before'] = balance_before
details['balance_after'] = balance_after
details['gas_cost'] = gas_cost
details['expected_balance'] = expected_balance
# Final result
passed = score >= self.max_score * 0.8 # 80% threshold
return {
'score': score,
'max_score': self.max_score,
'passed': passed,
'checks': checks,
'details': details
}
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