Home Coins GET Protocol (GET) GET Documentation — State change batches - GET Protocol

GET Documentation — State change batches – GET Protocol


Kasper Keunen

A state change of tickets and different tracked belongings within the GET Protocol leads to a state change receipt. A single receipt incorporates four information factors a few state change of a digital asset tracked by the GET Protocol. Receipts are aggregated in Receipt Batches. These information are periodically saved on the general public IPFS community. By blockchain developer Kasper Keunen.

This weblog will present particulars on the idea of Receipt Batches within the GET Protocol.

A single state change outlined: If a ticket is scanned it modifications state. The ticket modifications from being legitimate to being invalid.

In Statebox/petri-net jargon we confer with a unique state as a ‘place’. By scanning a ticket strikes from the ‘legitimate’ place to the ‘activated’ (or invalid) place. In its new place the ticket has completely different properties.

To learn extra concerning the completely different properties per place learn this weblog.

This modification of a ticket state signifies that its new state (or new place) the ticket asset has completely different properties. In an effort to unfold to different actors within the GET Protocol {that a} sure state change has occurred, state change receipts are used. Extra details about the construction of state change receipts is disclosed on this weblog: (NOT YET PUBLISHED).

Screenshot of eight state change receipts within the kind they’re at the moment saved on the IPFS community.

Stoolbox shops the ticket mutation information it collects periodically on IPFS. IPFS is basically a distributed and public Google-drive (IPFS has quite a lot of similarities with the torrent file community). After a file is saved, anyone with an web connection and data of the situation of the file can entry the file. Instance of an IPFS batch as saved by the GET Protocol.

The truth that IPFS has no centralized controller is a function. As it’s unattainable to censor or manipulate. Nonetheless, due to this function, there isn’t any assure information saved to IPFS will stay accessible. As well as, there isn’t any dependable method of understanding how lengthy a file to IPFS has been saved there.

In an effort to make the information printed to IPFS immutable, blockchain anchoring of the IPFS file location is used. Because of this the file location on IPFS is saved in a sensible contract(at the moment deployed on Ethereum). We name this contract the ‘IPFS anchoring good contract’.

The present implementation of this contract has two predominant capabilities:

  1. Making the IPFS batch areas public (like this).
  2. The contract acts as a single supply of reality for the ticket explorer nodes (decentral API endpoint)
  3. Timestamping and sorting the batches in an immutable method.

The good contract code that’s at the moment used to anchor tickets may be discovered on Etherscan.

The position of the IPFS anchoring good contract is to retailer and timestamp the IPFS hashes containing the state change batches in an immutable and public method.

By crawling this public good contract, a ticket explorer can gather the entire transaction historical past of the GET Protocol.

Determine A. Diagram exhibiting the storage and ordering operate of the IPFS anchoring contract.

Observe for builders: The tackle and actual coding of the IPFS anchoring good contract is anticipated to vary sooner or later. For instance we’re engaged on including a GET proof of burn test a part of the contract logic. In case you have concepts or strategies on the right way to go about this in a decentral method we’d love to listen to them!

Extra particulars on the API-endpoint method of the burn-address is defined within the weblog linked beneath.



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