{
    "Function": "transferFrom",
    "File": "contracts/test/weird_tokens/ERC20.sol",
    "Parent Contracts": [],
    "High-Level Calls": [],
    "Internal Calls": [
        "add",
        "sub",
        "sub",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function transferFrom(address src, address dst, uint wad) virtual public returns (bool) {\n        require(balanceOf[src] >= wad, \"insufficient-balance\");\n        if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {\n            require(allowance[src][msg.sender] >= wad, \"insufficient-allowance\");\n            allowance[src][msg.sender] = sub(allowance[src][msg.sender], wad);\n        }\n        balanceOf[src] = sub(balanceOf[src], wad);\n        balanceOf[dst] = add(balanceOf[dst], wad);\n        emit Transfer(src, dst, wad);\n        return true;\n    }"
}