{
    "Function": "getNextValidator",
    "File": "src/OperatorRegistry.sol",
    "Parent Contracts": [
        "src/Utils/Owned.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "numValidators",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function getNextValidator()\n        internal\n        returns (\n            bytes memory pubKey,\n            bytes memory withdrawalCredentials,\n            bytes memory signature,\n            bytes32 depositDataRoot\n        )\n    {\n        // Make sure there are free validators available\n        uint numVals = numValidators();\n        require(numVals != 0, \"Validator stack is empty\");\n\n        // Pop the last validator off the array\n        Validator memory popped = validators[numVals - 1];\n        validators.pop();\n\n        // Return the validator's information\n        pubKey = popped.pubKey;\n        withdrawalCredentials = curr_withdrawal_pubkey;\n        signature = popped.signature;\n        depositDataRoot = popped.depositDataRoot;\n    }"
}