Electronics Auction - Data Model - Engineering Assignment Help

Assignment Task:

Problem Specification 

1.1 Use Case 

Electronics Auction 

1.2 Description 

In the above Use Case diagram, I have shown about the online electronics auction sale where we have buyer, seller and auctioneer. Generally the seller will update the listing of electronics items, which he wants to sell with asking price and the bidders (buyers) will bid and auctioneer will close the bid. If its normal development there are many steps and people involved in the procedure, also the time taken for this process is a little high, we also have some security issues as we cant trust the other members in this transaction. In the Figure 1.1 Auctioneer will act as a bid closer between the buyer and seller, buyer has to reveal his personal details like name, address, telephone number. Whereas seller has to give personal details and asking price, then auctioneer will close the bid. Where insurer will provide insurance to the product got sale through buyer. 

1.3 Applicability 

Here we are developing the same procedure suing Blockchain, using blockchain in this process improves the security as the no third parties will get involved in the buying and selling, as only buyer and seller are the participants here, where auctioneer acts as a bid closer and monitoring. This is a very fast approach as everything is done online with minimum requirements. Also I say this is a transparent transaction as the buyer and seller has to reveal the details, no one keep their details closed, its open to all. So using block chain we have fast, secure, transparent and Decentralization. 

Data Model 

2.1 Introduction 

In this electronics auction business network we are having 3 participants, buyer, seller and auctioneer. In assets we have electronics and electronics listing. Where these participants and assets combine to give transactions. In this project I am taking two transactions i.e, offer bid and close the bidding. 

2.2 Participants 

In this project, the members are the people or organisations where they considered as sellers or buyers of electronics products, there an Auctioneer who has the ability to close the bidding on the electronics. Also we included insurer to offer the insurance details for the particular electronics closed in the bidding. In the below CTO code we have used email, first name, last name, address and telephone number fields for the buyer, seller and auctioneer as participants. We used “extends” command to apply same field for all participants. 

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