Questions tagged [plutus-playground]
Plutus Playground provides an environment for writing and testing smart contracts before they are released on the Cardano blockchain.
106 questions
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Localhost not displaying anything after running npm start in plutus-playground-client
I'm on a Mac running Big Sur with the intel chip. I've followed all the steps to set up the local Plutus environment as suggested by Lars in the Plutus Pioneer 3rd iteration.
Next step is to get the ...
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Error evaluating Simulation in playground
I was finally able to run the playground and I was following exactly what the instructor was saying on the video, adding the wallets and actions but only the genesis transaction shows up when I ...
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Not in scope: type constructor or class ‘PaymentPubKeyHash’ - Week 1 Pioneers Exercise
I'm trying to compile the week 1 code on plutus playground hosted locally, but I'm getting this error:
error:
Not in scope: type constructor or class ‘PaymentPubKeyHash’
|
57 | { aSeller ...
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2
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1
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28
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Formatted error messages in Playground
Is there any way to get the Playground errors with proper indentations?
This can help read better the issue at hand.
Instead of getting one huge line:
(Tx {txInputs = fromList [TxIn {txInRef = ...
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English Auction Compilation Failure. Need help understanding the compile error message
I need help.
Followed the lecture up to the compile.
Got this failure :
ConnectionError (HttpExceptionRequest Request { host = "localhost" port = 8080 secure = False requestHeaders = [("...
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2
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173
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How to resolve npm build failure after running `GC_DONT_GC=1 npm start`?
MacOs Catalina 10.15.7 (Intel)
After facing issue here, I ran the command GC_DONT_GC=1 npm run start and it build some libraries, however failed with following error (plutus-playground-server was up ...
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2
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226
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/bin/plutus-playground-server: No such file or directory
Can't get plutus-playground-server to start.
plutus-playground-server: for development use only
/nix/store/601kdlvidgan842yfklrmvpbz6a5xkf7-plutus-playground-server/bin/plutus-playground-server: line ...
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3
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2
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201
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npm run start in plutus-playground-client throws several "Could not find module" errors
I'm trying to run the plutus-playground-client. My OS is macOS Big Sur 11.6.2
I have set up the environment with the following steps based on the nix install instructions from:
https://docs.plutus-...
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1
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66
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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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plutus-playground-server exits with with network error
When starting the plutus-playground-server in a nix-shell on an Ubuntu 20.04 machine (ref. step 4 in the plutus setup instructions), it terminates with the following error:
Interpreter ready
plutus-...
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2
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114
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First time compiling sample Plutus code in local Plutus Playground failed. Can't figure out why
I've been a mainframe programmer my for decades. Never developed on small server platforms. So the biggest challenge I'm having is dealing with the nerve wracking OS setup, Github cloning, server ...
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1
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2
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113
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git checkout 41149926c108c71831cfe8d244c83b0ee4bf5c8a for English Auction doesn't work
According to cabal.project script for the English Auction, the git branch for this plutus script is:
source-repository-package
type: git
location: https://github.com/input-output-hk/plutus-...
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plutus-playground-client crashes on Intel Mac (Big Sur)
After setting up environment for cohort 3 of the pioneers program, running the plutus-playground-client crashes on my Intel Mac (Big Sur).
I've been able to successfully set up Nix and all the code ...
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(Solved) error:\n Variable not in scope: main :: GHC.Types.IO a0 in English Auction
I'm trying to compile the English Auction script on a local plutus-playground-client session and I'm getting this error:
error:\n Variable not in scope: main :: GHC.Types.IO a0
Any help on why ...
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170
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nix-build fails to build plutus or plutus-playground server/client with error: reading from file: Is a directory
I'm attempting to finish the setup for plutus pioneers cohort3 on wsl2 (Windows 10) with Ubunutu 20.04
Nix version: 2.5.1
I cloned the plutus-apps repo (and previously tried the plutus repo before ...
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2
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96
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Where do I find correct and current git checkout?
Update and detailed answer Feb 4, 2022.
For the purposes of the Plutus Pioneer Program, the checkout information can be found in the weekly cabal.project file, located (for Week04, as an example, and ...
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101
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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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87
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What is minimum RAM for running plutus-playground-server on Ubuntu VirtualBox?
I am facing this issues when running
$ nix-build -A plutus-playground.server
> error: 1 dependencies of derivation
> '/nix/store/39qxl421bhkzks2zrra7vy3yl6qqhsib-zlib-lib-zlib-0.6.2.3-config.drv'...
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Need help installing pioneer-based code on intel Mac (Big Sur)
I'm following the instructions laid out in https://docs.plutus-community.com/docs/setup/MacOS.html to setup my intel Mac (Big Sur) dev environment for cohort 3 of the pioneer program and having issues....
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1
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97
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slotToEndPOSIXTime error
Firstly, when I attempt to build a repl of week01 what I get is
Then when I attempt to use slotToEndPOSIXTime I get
Any help would be greatly appreciated, thanks! Everything else works great up ...
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285
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nix-shell command causes error "invalid character in Base64 string"
I'm following the Plutus Env: Setup Starter Pack guideline to run a Plutus Playground Local Instance. At step 4, when running the command nix-shell, I got the error message error: invalid character in ...
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92
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Unable to start /plutus-apps client application
Error is occurring for MacOS 12.1 Monterey. Please, let me know, if I should include additional details.
I am going through the step noted in this document in order to setup local Plutus app: https://...
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3
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294
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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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1
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466
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Lessons Learned setting up plutus-playground - feedback welcome [closed]
I have finally got the plutus-playground running on 2 separate machines. Each machine is a Mac running Catalina 10.15.7.
After extensive trial and error (some self inflicted) I have identified several ...
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2
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97
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Normal buildtime for "nix-build -A plutus-playground.server"
How long should the following build normaly take, when the correct "IOHK binary cache" is set at "nix.conf"?
nix-build -A plutus-playground.server
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(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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Setting GitHub ID in plutus-playground-server local env
I have been able to get my local nix install of the server and client running on my ubuntu distro. However, I can't find where I can set the GitHub ID for the local server configuration and that is ...
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88
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segmentation fault when building Plutus-playground.server
I'm following the instructions for installing the Plutus-playground found here
I discovered I must execute the following before step 10
git clone https://github.com/input-output-hk/plutus-apps.git
I ...
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2
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1
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51
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Online Playground does not appear in Safari
Using macOS Catalina 10.15.7 and Safari v 15.2 (15612.3.6.1.8). The Playground URL (https://playground.plutus.iohkdev.io) generates a blank page. It loads fine on Chrome and Brave (haven't actually ...
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99
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Plutus Playground: error evaluating 'hello, world' example
When I try to evaluate the "Hello, world" example at https://playground.plutus.iohkdev.io/, I get the following error:
DecodingError: An error occurred while decoding a JSON value: Under '...
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2
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104
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Plutus Playground vs Plutus Application Backend vs Plutus Application Framework
Is the Plutus Application Backend another name for the Plutus Playground? If not what is the Plutus Application Backend? Also is the Plutus Application Framework the Plutus Playground?
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166
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"bash: plutus-pab-generate-purs: command not found" issue when run plutus-playground on Ubuntu
I've followed guide for running plutus-playground .
But when I npm run start on plutus-playground-client, it says 'bash: plutus-pab-generate-purs: command not found'.
Please check screenshot on ...
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I'm getting errors in Week05 Solution.hs
Im trying to run Week05's home work solution 1 on the online plutus playground enviornment but I keep getting errors in lines 79 to 84 dose anybody know how to fix this?
code pasted below along with ...
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64
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plutus-playground-server sense of time is incorrect
I think my plutus-playground-server has an incorrect notion of time. I'm working on the homework for lecture 3 and keep running into issues with the simulator.
Here's a screenshot of what I'm ...
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1
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106
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Error Starting plutus-playground-client
I'm having error running the plutus-playground-client. Not sure where to look, here is the complete error log. Any suggestions on how to fix?
0 info it worked if it ends with ok
1 verbose cli [
1 ...
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Plutus Pioneer Program Week02: grab endpoint not working and trace log being cut off
Here you can see the 'grab' endpoint being correctly set.
And here you can see the Tx2 slot for the grab endpoint is missing.
Also, some lines of the trace are being cut off, I'm not sure if this is ...
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1
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Plutus pioneer program - Lecture #1 - Can't understand behaviour of transactions
Why is the second bid of wallet 2 getting ignored when I test it like this? If the first transaction of wallet 2 was also valid, then the second suceeds. I'm just curious if this is somehow expected ...
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2
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66
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When can we expect live deployment of the Plutus Playground
I am working with a low end device, and the live deployment of the playground is what I'm counting on. When can I expect it and is there any community deployed server that is active now?
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Choosing Ubuntu over WSL for Plutus development
I use a low end laptop as my daily driver running a WSL Ubuntu-20.04 as my platform of choice. When trying to run the plutus-playground it often crashes. Should I try using Ubuntu or any other Linux ...
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plutus-playground-server: user error (Error evaluating simulation: JsonDecodingError
I'm following the first lecture in the plutus pioneer program but I cannot set up the local environment. The error happens when running npm start on a nix-shell after initializing the playground ...
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Failing to set up plutus on windows
So I'm using WSL Windows 10 and I set up IOHK hashes, but everytime I run nix-shell I get following error:
build of '/nix/store/9im4jp068ykqsm4s8996px605p6zrw7q-Agda-plan-to-nix-pkgs.drv' failed. ...
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What is the benefit of installing plutus playground locally?
In these instructions for working through the plutus pioneer program, it suggests installing the playground locally:
https://tutorials.cardanoacademy.io/plutus-pioneer-program/setting-up-plutus-...
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Setting up Plutus environment for Apple Silicon computer
I'm trying to setup dependencies to write and test plutus contracts, but I'm worried that the dependencies may not be compatible with the M1 chip.
I have been following these instructions https://www....
6
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1
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How can you run the Plutus Playground and serve the Haddock documentation from the VSCode DevContainer?
I am still looking to settle on a dev environment for Plutus contracts.
I am thinking about using VSCode with the devcontainer, but would like to know how well it all integrates. Is it easy to have ...
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Plutus Pioneer Cohort 2 Lecture 3
I was going through the lecture on Youtube and this is the one with Vesting example where:
wallet 1 gifts 20 ADA to wallet 2 in 2 different slots
wallet 1 gifts 10 ADA to wallet 3 in a slot
later on, ...
3
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1
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Is there any keyword to get the epoch details or stake-pool details in Plutus Smart Contract?
I am trying to write a smart contract where I can get the awards for delegators of a particular stake pool. I need to know if that is right now possible to do using Plutus, if yes, pls suggest me.
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npm build of plutus client fails with "permission denied"
I am trying to run the Plutus playground using the Gitbook recipe (https://docs.plutus-community.com/docs/setup/WindowsWSL.html).
At step 15, the server starts fine, but trying to run the client with &...
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What does @ prefix means?
like this:
auctionInstance = Scripts.validator @Auctioning
and Hello-world app from https://playground.plutus.iohkdev.io/tutorial/tutorials/plutus-playground.html#running-the-hello-world-app
hello = ...
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7
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3
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186
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Deriving Show Compilation Error on Plutus Playground
I seem to be getting a compilation error when I try to compile any of the example files on my local host configuration for the Plutus Playground. The error is pictured here:
And basically it seems ...
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4
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1
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254
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Writing basic validator scripts
I need someone to explain to me line by line. The code is from plutu tutorials. https://docs.cardano.org/projects/plutus/en/latest/plutus/tutorials/basic-validators.html
All the code in that page I ...
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