This section is the last of this series of articles, and will explain the remaining things, including the implementation logic of the order queue in the transaction order book, and the implementation logic of more order types. In addition, many friends are asking, will all the code be open source and put on Github after the completion? All I can say is that there is a high probability that it will be open sourced in the long run, but there is no plan to open source it in the short term.order ...