{
    "Function": "safeBatchTransferFrom",
    "File": "contracts/lib/solmate/src/tokens/ERC1155.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "ERC1155TokenReceiver"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "code(address)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] calldata ids,\n        uint256[] calldata amounts,\n        bytes calldata data\n    ) public virtual {\n        require(ids.length == amounts.length, \"LENGTH_MISMATCH\");\n\n        require(msg.sender == from || isApprovedForAll[from][msg.sender], \"NOT_AUTHORIZED\");\n\n        // Storing these outside the loop saves ~15 gas per iteration.\n        uint256 id;\n        uint256 amount;\n\n        for (uint256 i = 0; i < ids.length; ) {\n            id = ids[i];\n            amount = amounts[i];\n\n            balanceOf[from][id] -= amount;\n            balanceOf[to][id] += amount;\n\n            // An array can't have a total length\n            // larger than the max uint256 value.\n            unchecked {\n                ++i;\n            }\n        }\n\n        emit TransferBatch(msg.sender, from, to, ids, amounts);\n\n        require(\n            to.code.length == 0\n                ? to != address(0)\n                : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, from, ids, amounts, data) ==\n                    ERC1155TokenReceiver.onERC1155BatchReceived.selector,\n            \"UNSAFE_RECIPIENT\"\n        );\n    }"
}