{
  "id": "composite_split_and_transfer",
  "version": "1.0.0",
  "category": "composite_problems",
  "subcategory": "distribution_workflows",
  "difficulty": "medium",
  "title": "Split and Transfer Token Balance",
  "natural_language_templates": [
    "Split your {token_symbol} balance: send 50% to {address1} and 50% to {address2}, then verify you transferred all",
    "Distribute your {token_symbol} equally between {address1} and {address2}",
    "Transfer half of your {token_symbol} to {address1}, the other half to {address2}, and verify balance is zero"
  ],
  "description": [
    "Split your entire token balance between two recipients.",
    "",
    "This is a 3-step process:",
    "1. Transfer 50% of your {token_symbol} balance to {address1}",
    "2. Transfer the remaining 50% (all remaining) to {address2}",
    "3. Query your balance to verify it is zero (or near zero)",
    "",
    "Token: {token_symbol} at {token_address}",
    "Token decimals: 18",
    "",
    "IMPORTANT:",
    "- First calculate your current balance",
    "- Transfer exactly 50% to address1",
    "- Transfer remaining balance (100% of what's left) to address2",
    "- The key operation is the second transfer (step 2)",
    "",
    "ERC20 transfer function:",
    "- transfer(address to, uint256 amount)",
    "- Function selector: 0xa9059cbb",
    "",
    "Example: If you have 100 tokens:",
    "- Step 1: Transfer 50 tokens to address1",
    "- Step 2: Transfer 50 tokens to address2",
    "- Result: Your balance should be 0"
  ],
  "composite_structure": {
    "pattern": "split-transfer",
    "optimal_steps": 3,
    "atomic_operations": [
      {
        "step": 1,
        "atomic_id": "erc20_transfer_percentage",
        "role": "first_transfer",
        "description": "Transfer 50% to address 1"
      },
      {
        "step": 2,
        "atomic_id": "erc20_transfer_percentage",
        "role": "key_operation",
        "description": "Transfer remaining 50% to address 2"
      },
      {
        "step": 3,
        "atomic_id": "query_erc20_balance",
        "role": "verification",
        "description": "Verify balance is zero"
      }
    ]
  },
  "parameters": {
    "token_address": {
      "type": "address",
      "role": "token",
      "description": "ERC20 token contract address (USDT)",
      "generation": {
        "method": "fixed",
        "value": "0x55d398326f99059fF775485246999027B3197955"
      }
    },
    "token_symbol": {
      "type": "string",
      "role": "display",
      "description": "Token symbol",
      "generation": {
        "method": "fixed",
        "value": "USDT"
      }
    },
    "address1": {
      "type": "address",
      "role": "recipient_1",
      "description": "First recipient address (receives 50%)",
      "generation": {
        "method": "random"
      }
    },
    "address2": {
      "type": "address",
      "role": "recipient_2",
      "description": "Second recipient address (receives remaining 50%)",
      "generation": {
        "method": "random"
      }
    },
    "to_address": {
      "type": "address",
      "role": "key_recipient",
      "description": "Key operation recipient (same as address2)",
      "generation": {
        "method": "random"
      }
    },
    "percentage": {
      "type": "number",
      "unit": "percent",
      "role": "transfer_percentage",
      "description": "Percentage to transfer (100% of remaining for key operation)",
      "generation": {
        "method": "fixed",
        "value": 100
      }
    },
    "token_decimals": {
      "type": "integer",
      "role": "calculation",
      "description": "Token decimals",
      "generation": {
        "method": "fixed",
        "value": 18
      }
    }
  },
  "interaction_config": {
    "max_rounds": 6,
    "optimal_steps": 3,
    "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": "erc20_transfer_percentage",
    "key_operation_step": 2
  },
  "validation": {
    "pre_conditions": [
      {
        "type": "token_balance",
        "description": "Agent must have token balance to split",
        "min_balance": "100 tokens"
      }
    ],
    "post_conditions": [
      {
        "type": "balance_split",
        "weight": 0.7,
        "description": "Balance split equally between recipients"
      },
      {
        "type": "final_balance_zero",
        "weight": 0.3,
        "description": "Agent balance should be zero after transfers"
      }
    ]
  },
  "metadata": {
    "tags": [
      "split",
      "distribution",
      "percentage",
      "erc20",
      "medium"
    ],
    "estimated_gas": 120000,
    "requires_approval": false,
    "difficulty_notes": [
      "Requires balance calculation",
      "Two sequential transfers",
      "Verification step included"
    ]
  }
}