{
    "Function": "_transfer",
    "File": "src/kuma-protocol/KIBToken.sol",
    "Parent Contracts": [
        "lib/openzeppelin-contracts/contracts/proxy/utils/UUPSUpgradeable.sol",
        "lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Upgrade.sol",
        "lib/openzeppelin-contracts/contracts/interfaces/draft-IERC1822.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/extensions/ERC20PermitUpgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/utils/cryptography/EIP712Upgradeable.sol",
        "src/kuma-protocol/interfaces/IKIBToken.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/extensions/IERC20PermitUpgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/ERC20Upgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/extensions/IERC20MetadataUpgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/IERC20Upgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/utils/ContextUpgradeable.sol",
        "lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol"
    ],
    "High-Level Calls": [
        "WadRayMath",
        "KIBToken",
        "WadRayMath",
        "KIBToken",
        "WadRayMath",
        "WadRayMath"
    ],
    "Internal Calls": [
        "_refreshCumulativeYield",
        "revert ERC20_TRANSFER_FROM_THE_ZERO_ADDRESS()",
        "revert ERC20_TRANSFER_AMOUNT_EXCEEDS_BALANCE()",
        "revert ERC20_TRANSER_TO_THE_ZERO_ADDRESS()",
        "_refreshYield"
    ],
    "Library Calls": [
        "wadToRay",
        "wadToRay",
        "rayDiv",
        "rayDiv"
    ],
    "Low-Level Calls": [],
    "Code": "function _transfer(address from, address to, uint256 amount) internal override {\n        if (from == address(0)) {\n            revert Errors.ERC20_TRANSFER_FROM_THE_ZERO_ADDRESS();\n        }\n        if (to == address(0)) {\n            revert Errors.ERC20_TRANSER_TO_THE_ZERO_ADDRESS();\n        }\n        _refreshCumulativeYield();\n        _refreshYield();\n\n        uint256 startingFromBalance = this.balanceOf(from);\n        if (startingFromBalance < amount) {\n            revert Errors.ERC20_TRANSFER_AMOUNT_EXCEEDS_BALANCE();\n        }\n        uint256 newFromBalance = startingFromBalance - amount;\n        uint256 newToBalance = this.balanceOf(to) + amount;\n\n        uint256 previousEpochCumulativeYield_ = _previousEpochCumulativeYield;\n        uint256 newFromBaseBalance = WadRayMath.wadToRay(newFromBalance).rayDiv(previousEpochCumulativeYield_);\n        uint256 newToBaseBalance = WadRayMath.wadToRay(newToBalance).rayDiv(previousEpochCumulativeYield_);\n\n        if (amount > 0) {\n            _totalBaseSupply -= (_baseBalances[from] - newFromBaseBalance);\n            _totalBaseSupply += (newToBaseBalance - _baseBalances[to]);\n            _baseBalances[from] = newFromBaseBalance;\n            _baseBalances[to] = newToBaseBalance;\n        }\n\n        emit Transfer(from, to, amount);\n    }"
}