Questions tagged [plutus-pab]

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Does plutus-pab support parallel requests?

Does plutus-pab support parallel requests to the same smart contract instance? Does plutus-pab support parallel requests to different smart contract instances? By parallel requests I mean calling ...
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1answer
29 views

How does a Cardano DApp client authorize a payment?

Am I correct in thinking that this requires a DApp connector on the same device as the User's wallet? Or could you have an app on the user's device that doesn't connect to their wallet, but somehow ...
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How to use the plutus pab statemachine with RemoteWalletConfig for Nami and Yoroi

Looking at the demo contract provided in the plutus-apps folder, you can follow the example of the PayToWallet endpoint. In this endpoint, yieldUnbalancedTx provides the instance with an unbalanced TX....
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25 views

plutus-pab still not building

I had plutus-playground up and running with a prior commit, but am trying to get the latest version running. I have cloned everything fresh in a new folder. I have successfully run the following ...
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1answer
25 views

Webpack warning when starting plutus-playground-client

I am getting a warning when I run npm start on the plutus-playground-client: ℹ 「wds」: webpack output is served from / ℹ 「wds」: Content not from webpack is served from /home/datapool/plutus-apps/plutus-...
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3answers
154 views

Error running plutus-playground-client in Linux

I have successfully installed nix, cabal and have setup the IOHK binary cache. I cloned the plutus-app repository and successfully built the Haskell packages and other artifacts with nix. Then running ...
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0answers
13 views

Playing the guessing game Steps 3 & 4

Steps 1 & 2 look good. Step 3 export INSTANCE_ID=... curl -s http://localhost:9080/api/contract/instance/$INSTANCE_ID/status | jq parse error: Invalid numeric literal at line 1, column 8 Step 4 I ...
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3answers
49 views

nix-build -A plutus-pab? Where do you run this?

I'm following this environment setup guide https://docs.plutus-community.com/docs/setup/WindowsWSL.html nix-build -A plutus-pab error: attribute 'plutus-pab' in selection path 'plutus-pab' not found I ...
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2answers
79 views

(Solved) Error building Plutus Application Framework

I am trying to build the Plutus Application Framework. I'm running on Archlinux and both Nix and cabal are installed properly as far as I can tell. I have also set the IOHK Binary Caches. However when ...
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47 views

Blockfrost and Plutus Application Backend

I am wondering if anyone has tried both backend services to develope smart contracts? I am aware that IOHK's PAB is compatible only with Plutus whereas Blockfrost's API allows to use other programming ...
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84 views
+50

Good tutorials / resources for PAB (testnet)

Does anyone have good resources on the PAB (connecting to the testnet)? I know Lars explained it in the pioneers program, but, at that time, we still had to rely on the emulator. I also know we have ...
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59 views

Problem running Plutus Playground Client on MacOS

I am encountering a problem when trying to run the Plutus Playground through Nix on MacOS. I tried using the last available tag v2021-12-20, but I am getting the following error when I try to run the ...
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62 views

Who is using the Plutus Application Backend (PAB) here in this forum?

My last three questions all concerned the PAB and have received no answers. This got me wondering if anyone in this forum is actively using the PAB and if so, how he/she is using it. This is more a ...
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1answer
124 views

PAB connection to public testnet or mainnet (Example/Tutorial)

Does anyone know and want to share any information on how to connect PAB to public testnet (not simulator) or mainnet? Are there any examples/tutorials for it?
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1answer
76 views

Does anyone else have trouble syncing to the PAB end to end testnet?

Plutus PAB Testnode git checkout v2021-11-05 Following the instructions on the readme file leads me to a testnet node that is stuck due to a corrupt block error. [relay2:cardano.node.ChainDB:Error:34] ...
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23 views

ContractInstanceId -> Address?

I have a multiple lock-guess game with many Lockers and many Guess'ers. I initiate each lockers and guessers with: lockcid <- Simulator.activateContract (Wallet 1) Lock lockcid2 <- Simulator....
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1answer
56 views

How to get list of wallets generated by PAB

I'd like to know what endpoint to call to get the list of wallets generated by PAB during initialization (after calling cabal run myapp and seen after ending PAB - by pressing enter)
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1answer
56 views

Endpoint contract response from PAB

Is there a way to return values that are not the unit in JSON form from an endpoint? Currently, any successful endpoint call over HTTP returns "[]". The only way we have to debug content is ...
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2answers
513 views

How to run smart contracts in the Cardano Blockchain?

I know that since Alonzo was launched smart contracts can be published in the blockchain now, but I have no idea how to do it. I have read some articles about the Plutus Application Backend though, it'...
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1answer
28 views

Hooks empty after calling endpoint

I'm finding it difficult figuring out the cause of this hiccup. When I create an instance of a contract, the hooks are populated, but after calling an endpoint, the hooks list becomes empty. Status of ...
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0answers
44 views

PAB webserver not working

Trying to connect to the PAB webserver on port 8080 gives: Error: connect ECONNREFUSED 127.0.0.1:8080 Output from running cabal exec MyPAB: [INFO] Slot 0: TxnValidate ...