Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.24+commit.e67f0147.js&optimize=false&gist=

TestLibrary.sol

pragma solidity ^0.4.24;

// 
// Selector for create in TestMarketplace: 
//   "10a9ee58": "dispatched_createListing(address,bytes32,uint256)"
// call_params:
//  _listing: 0xAB01 deposit: 8
//  ab010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008


contract DispatcherContract {
    function approve_and_create(
        address token_address,
        uint256 token_amount,
        address dispatched,
        bytes4 selector,
        bytes call_params) public payable returns (bool) {
        if ( DispatchableToken(token_address).dispatched_approve(msg.sender, dispatched, token_amount) )
        {
            bytes memory call_data = abi.encodePacked(selector, uint256(msg.sender), call_params);
            return dispatched.call.value(msg.value)(call_data);
        }
        return false;
    }
}


contract TrustedCallee {
    address trusted_dispatcher;
    
    function setTrustedDispatcher(address trusted) public
    {
        // should be an internal function...
        // require the owner of the token sets this.
        trusted_dispatcher = trusted;
    }
}

contract DispatchableToken is TrustedCallee { // Our token would have to inheret from this...
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    
    
    function dispatched_approve(address sender, address spender, uint256 value) public returns (bool) {
        require(trusted_dispatcher == msg.sender);
        //_allowed[sender][spender] = value;
        emit Approval(sender, spender, value);
        return true;
    }
    
}

contract TestMarketplace is TrustedCallee {
    event Listed(
        address seller,
        bytes32 _listing,
        uint256 deposit,
        uint256 value
        );
    
    function dispatched_createListing(address seller, bytes32 _listing, uint256 deposit) public payable {
        require(trusted_dispatcher == msg.sender);
        emit Listed(seller, _listing, deposit, msg.value);
    }
}