How to implement the functionality of the Dutch auction?

Question

Auction

An online electronics store is being developed on Wordpress. To promote the store, it was decided to create a Dutch auction. There will be one or more promotional items, customers will have to share a record of the auction and the store in the social. networks vkontakte and facebook to reduce the price by a certain step for each repost (cost). As a result, a customer who considers the price attractive will be able to buy a promotional product.
There should be some kind of response from the VK and facebook servers that the repost is really done.
How to implement a price reduction depending on the repost in social networks?
Are there ready-made solutions or something similar.

Answer 1

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