interface X_Defiat_Token {
    // at address: 0xB571d40e4A7087C1B73ce6a3f29EaDfCA022C5B2
    function balanceOf(address account) external view returns(uint256);
    function approve(address spender, uint256 amount) external;
}
function balanceOf(address account) external view returns(uint256);

// at address: 0xB571d40e4A7087C1B73ce6a3f29EaDfCA022C5B2