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In Lecture 10 from the Plutus Pioneer Programm there is a replica of the Uniswap Smart Contract built on top of Plutus. It is actually part of the standard Plutus use cases Plutus Uniswap

To have a better user experience and to get to know it better i wanted to build a GUI around it. If you are interested you can find it in this github repo

Now to my question. What is the reason behind the design decision for the Status endpoint of the Plutus PAB Rest API. In order to read the funds we have first to call the funds Endpoint which returns nothing and secondly you have to call the status endpoint.

This is the Frontend Code from Lars where he reads the funds

This makes it very difficult if you want to have concurrent calls one for the funds and one for the pools

Why is there not a dedicated status endpoint for funds and pools?

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  • This got me wondering too. I posted a question but never got any answer: cardano.stackexchange.com/questions/4908/… It seems, the Plutus team is not active on this forum.
    – Jey
    Jan 7 at 12:22
  • 1
    I just registered for the third cohort of the ppp. There i will ask this Question in the Q&A session. As soon as i know more i will post it here. Jan 8 at 7:28
  • Great, I'm looking forward. I am not participating in the cohort, but I would have a lot of questions.
    – Jey
    Jan 8 at 11:05
  • the link to frontend code is broken, can you please update?
    – LexTRX
    Jan 30 at 15:56
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    Thank you @LexTRX it is updated now Jan 31 at 16:56

1 Answer 1

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The only way to read a state of the smart contract is using a contract instance status endpoint (api/contract/instance/$INSTANCE_ID/status). Other endpoints can only trigger a change of the state but they cannot return it so it's always a two step process.

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  • This does not really answer my question. I do already know how to read the different states. My question was why it is designed like this. It even contradicts completely the functional approach of Haskell Language. Dec 10, 2021 at 7:48

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