{
    "Function": "transferFrom",
    "File": "contracts/openzeppelin-solidity/contracts/token/ERC777/ERC777.sol",
    "Parent Contracts": [
        "contracts/openzeppelin-solidity/contracts/token/ERC20/IERC20.sol",
        "contracts/openzeppelin-solidity/contracts/token/ERC777/IERC777.sol",
        "contracts/openzeppelin-solidity/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "_msgSender",
        "_approve",
        "_move",
        "require(bool,string)",
        "require(bool,string)",
        "_callTokensToSend",
        "_callTokensReceived",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function transferFrom(\n        address holder,\n        address recipient,\n        uint256 amount\n    ) public virtual override returns (bool) {\n        require(recipient != address(0), \"ERC777: transfer to the zero address\");\n        require(holder != address(0), \"ERC777: transfer from the zero address\");\n\n        address spender = _msgSender();\n\n        _callTokensToSend(spender, holder, recipient, amount, \"\", \"\");\n\n        uint256 currentAllowance = _allowances[holder][spender];\n        require(currentAllowance >= amount, \"ERC777: transfer amount exceeds allowance\");\n        _approve(holder, spender, currentAllowance - amount);\n\n        _move(spender, holder, recipient, amount, \"\", \"\");\n\n        _callTokensReceived(spender, holder, recipient, amount, \"\", \"\", false);\n\n        return true;\n    }"
}