pragma solidity >=0.4.22 <0.6.0;

interface IERC1410 {

    // Token Information
    function balanceOf(address _tokenHolder) external view returns (uint256);
    function balanceOfByPartition(bytes32 _partition, address _tokenHolder) external view returns (uint256);
    function partitionsOf(address _tokenHolder) external view returns (bytes32[] memory);
    function totalSupply() external view returns (uint256);

    // Token Transfers
    function transferByPartition(bytes32 _partition, address _to, uint256 _value, bytes calldata _data) external returns (bytes32);
    function operatorTransferByPartition(bytes32 _partition, address _from, address _to, uint256 _value, bytes calldata _data, bytes calldata _operatorData) external returns (bytes32);
    function canTransferByPartition(address _from, address _to, bytes32 _partition, uint256 _value, bytes calldata _data) external view returns (byte, bytes32, bytes32);

    // Operator Information
    function isOperator(address _operator, address _tokenHolder) external view returns (bool);
    function isOperatorForPartition(bytes32 _partition, address _operator, address _tokenHolder) external view returns (bool);

    // Operator Management
    function authorizeOperator(address _operator) external;
    function revokeOperator(address _operator) external;
    function authorizeOperatorByPartition(bytes32 _partition, address _operator) external;
    function revokeOperatorByPartition(bytes32 _partition, address _operator) external;

    // Issuance / Redemption
    function issueByPartition(bytes32 _partition, address _tokenHolder, uint256 _value, bytes calldata _data) external;
    function redeemByPartition(bytes32 _partition, uint256 _value, bytes calldata _data) external;
    function operatorRedeemByPartition(bytes32 _partition, address _tokenHolder, uint256 _value, bytes calldata _data, bytes calldata _operatorData) external;

    // Transfer Events
    event TransferByPartition(
        bytes32 indexed _fromPartition,
        address _operator,
        address indexed _from,
        address indexed _to,
        uint256 _value,
        bytes _data,
        bytes _operatorData
    );

    // Operator Events
    event AuthorizedOperator(address indexed operator, address indexed tokenHolder);
    event RevokedOperator(address indexed operator, address indexed tokenHolder);
    event AuthorizedOperatorByPartition(bytes32 indexed partition, address indexed operator, address indexed tokenHolder);
    event RevokedOperatorByPartition(bytes32 indexed partition, address indexed operator, address indexed tokenHolder);

    // Issuance / Redemption Events
    event IssuedByPartition(bytes32 indexed partition, address indexed to, uint256 value, bytes data);
    event RedeemedByPartition(bytes32 indexed partition, address indexed operator, address indexed from, uint256 value, bytes data, bytes operatorData);

}