{
    "Function": "_safeBatchTransferFrom",
    "File": "contracts/openzeppelin-solidity/contracts/token/ERC1155/ERC1155.sol",
    "Parent Contracts": [
        "contracts/openzeppelin-solidity/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol",
        "contracts/openzeppelin-solidity/contracts/token/ERC1155/IERC1155.sol",
        "contracts/openzeppelin-solidity/contracts/utils/introspection/ERC165.sol",
        "contracts/openzeppelin-solidity/contracts/utils/introspection/IERC165.sol",
        "contracts/openzeppelin-solidity/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "require(bool,string)",
        "_beforeTokenTransfer",
        "require(bool,string)",
        "require(bool,string)",
        "_doSafeBatchTransferAcceptanceCheck",
        "_msgSender"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory amounts,\n        bytes memory data\n    ) internal virtual {\n        require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n        require(to != address(0), \"ERC1155: transfer to the zero address\");\n\n        address operator = _msgSender();\n\n        _beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n        for (uint256 i = 0; i < ids.length; ++i) {\n            uint256 id = ids[i];\n            uint256 amount = amounts[i];\n\n            uint256 fromBalance = _balances[id][from];\n            require(fromBalance >= amount, \"ERC1155: insufficient balance for transfer\");\n            unchecked {\n                _balances[id][from] = fromBalance - amount;\n            }\n            _balances[id][to] += amount;\n        }\n\n        emit TransferBatch(operator, from, to, ids, amounts);\n\n        _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);\n    }"
}