pragma solidity ^0.4.24;


contract INFTAdaptor {
    function toMirrorTokenId(uint256 _originTokenId) public view returns (uint256);

    function toOriginTokenId(uint256 _mirrorTokenId) public view returns (uint256);

    function approveOriginToken(address _bridge, uint256 _originTokenId) public;

    function ownerInOrigin(uint256 _originTokenId) public view returns (address);

    function cacheMirrorTokenId(uint256 _originTokenId, uint256 _mirrorTokenId) public;
}