{
    "Function": "approve",
    "File": "contracts/VoterID.sol",
    "Parent Contracts": [
        "interfaces/IVoterID.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "require(bool,string)",
        "require(bool,string)",
        "isApproved"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function approve(address approved, uint256 tokenId) public {\n        address holder = owners[tokenId];\n        require(isApproved(msg.sender, tokenId), 'Identity: Not authorized to approve');\n        require(holder != approved, 'Identity: Approving self not allowed');\n        tokenApprovals[tokenId] = approved;\n        emit Approval(holder, approved, tokenId);\n    }"
}