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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 | {
"id": "composite_wrap_unwrap_cycle",
"version": "1.0.0",
"category": "composite_problems",
"subcategory": "wrap_unwrap",
"difficulty": "easy",
"title": "Wrap BNB and Unwrap Back to BNB (Cycle Test)",
"natural_language_templates": [
"Wrap {amount} BNB to WBNB, then immediately unwrap all WBNB back to BNB",
"Deposit {amount} BNB to WBNB and withdraw it back to BNB",
"Convert {amount} BNB to WBNB, then convert it back to native BNB"
],
"description": [
"Test the WBNB wrap/unwrap functionality by wrapping BNB and immediately unwrapping it.",
"",
"This is a 2-step process:",
"1. Deposit BNB to WBNB contract using deposit() function",
"2. Withdraw WBNB back to BNB using withdraw(uint256) function",
"",
"Technical details:",
"- WBNB contract address: 0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c",
"- deposit() function: 0xd0e30db0 (payable)",
"- withdraw(uint256) function: 0x2e1a7d4d",
"",
"Note: This is a test case to verify wrap/unwrap functionality works correctly.",
"The key operation is wbnb_withdraw since the final goal is to get BNB back."
],
"composite_structure": {
"pattern": "wrap-unwrap",
"optimal_steps": 2,
"atomic_operations": [
{
"step": 1,
"atomic_id": "wbnb_deposit",
"role": "wrap_bnb",
"description": "Wrap BNB to WBNB by calling deposit() on WBNB contract"
},
{
"step": 2,
"atomic_id": "wbnb_withdraw",
"role": "key_operation",
"description": "Withdraw WBNB to get native BNB back"
}
]
},
"parameters": {
"wbnb_address": {
"type": "address",
"role": "contract",
"description": "WBNB contract address",
"generation": {
"method": "fixed",
"value": "0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c"
}
},
"amount": {
"type": "number",
"unit": "BNB",
"description": "Amount of BNB to wrap and unwrap",
"generation": {
"method": "random",
"min": 0.01,
"max": 0.1,
"decimals": 3
},
"role": "wrap_amount"
}
},
"interaction_config": {
"max_rounds": 4,
"optimal_steps": 2,
"score_decay_formula": "base_score * min(1.0, optimal_steps / actual_steps)",
"forced_submit_at_max": true
},
"scoring_strategy": {
"method": "atomic_validator_reuse",
"key_operation_id": "wbnb_withdraw",
"key_operation_step": 2
},
"validation": {
"pre_conditions": [
{
"type": "bnb_balance",
"description": "Agent must have sufficient BNB for wrap and gas",
"min_balance": "1 BNB"
}
],
"post_conditions": [
{
"type": "transaction_success",
"weight": 0.3,
"description": "Withdraw transaction executed successfully"
},
{
"type": "contract_called",
"weight": 0.2,
"address": "{wbnb_address}",
"description": "Correct WBNB contract called"
},
{
"type": "function_selector",
"weight": 0.2,
"selector": "0x2e1a7d4d",
"description": "Correct function withdraw(uint256) called"
},
{
"type": "bnb_balance_recovered",
"weight": 0.3,
"description": "BNB balance recovered (minus gas costs)"
}
]
},
"metadata": {
"tags": [
"wrap-unwrap",
"test",
"wbnb",
"cycle",
"easy",
"two-step"
],
"estimated_gas": 120000,
"requires_approval": false,
"difficulty_notes": [
"Simple two-step process",
"Tests basic WBNB wrap/unwrap functionality",
"No approval required"
]
}
}
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