son-wallet-list_sons-lld
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The purpose of this document is to provide a low-level design for implementing list_sons wallet functionality.
The design requirement listed in this document will be limited to the SON Wallet functionality.
The Bitcoin Sidechain functionality has been implemented in the Peerplays blockchain but it doesn't take into account, the change of witnesses.
As per the current implementation of Sidechain, a multi-sig bitcoin address will be created on the bitcoin blockchain to hold the bitcoins that have been deposited into the pBTC accounts of the Peerplays users.
Every Peerplays witnesses will have a bitcoin transaction signing key for this multi-sig bitcoin address and will be required to sign any withdrawal transaction.
When a witness changes, the transaction signing key of the outgoing witness needs to be removed from the multi-sig bitcoin address and the key of the incoming witness needs to be added.
The suggested proposal is to make the Sidechain code available as a plugin and assign the responsibility for running the sidechain code to separate nodes called the Sidechain Operating Nodes (SONs).
The SON functionality will be independent of the witness functionality and SONs don't need to be changed much often.
More on SON Objects can be found at
Users should be able to list all the SON nodes on the blockchain.
They should be able to check the status of the SON which is provided by the son_status variable in the son_object.
They should be able to check the number of votes polled during the last cycle, which is provided by total_votes in son_object. This is changes in every maintenance interval.
For better UI, we can list the SONs based on their status i.e. Active SONs first, Inactive next, In_Maintenance next in that order.
We can even further extend the types of data with the information stored in son_statistics_object as well.
This can be done by introducing a new structure (son_info in the UML below) that can collate the information in database_api and send it to the wallet.