Questions tagged [plutus-playground]
Plutus Playground provides an environment for writing and testing smart contracts before they are released on the Cardano blockchain.
31 questions with no upvoted or accepted answers
6
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1
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142
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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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3
votes
0
answers
149
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Using Plutus PAB for development instead of Playground
trying to migrate away from the playground and seems like PAB is the way to go. The plutus starter repository orignally seems to be the best place to start but it seems to be outdated (i.e. still ...
- 53
2
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0
answers
28
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About Fees in the Plutus Playground
I had been reviewing sample codes that can be run in the Plutus Playground, particularly the Vesting.hs code in Cohort #3 Week #3 of PPP. So while trying several cases in the simulation, I sometimes ...
- 96
2
votes
1
answer
396
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error: suspicious ownership or permission with nix-shell command on plutus-apps repository
Using the nix-shell command in a docker container on GitHub codespaces results in the following error:
$ nix-shell --show-trace
trace: To materialize project.plan-nix for cabal-install entirely, pass ...
- 21
2
votes
1
answer
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 ...
- 21
2
votes
1
answer
131
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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 ...
- 81
1
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0
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56
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Plutus Playground WalletError: InsufficientFunds
I am running my smart contract on the plutus-playground and getting the error below:
Contract instance stopped with error: "WalletError (InsufficientFunds \"Total: Value (Map [(,Map [(\\\&...
- 25
1
vote
0
answers
18
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Why can't I use the same wallet more than once in Plutus Playground?
I'm currently testing my app in the "Plutus Playground" and the simulation will not let me call an endpoint from the same contract more than once.
When I try to use the same wallet, the ...
- 11
1
vote
0
answers
91
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How to add 'ToSchema' to Address (in Playground)?
I'm doing homework2 of week05 (cohort3). My contract runs fine in the repl, but when I try it in the playground, I'm running into an issue. It fails on this line:
mkSchemaDefinitions ''NFTSchema
I ...
- 172
1
vote
1
answer
74
views
Smart contract configuration
Is it possible to write smart contract validator that would check:
if UTXO that contains service price information was included so only script can read what is actual price of the service.
UTXO with ...
1
vote
1
answer
86
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cardano-cli not showing utxo but Testnet Blockchain Explorer does
I have requested funds via Faucet, twice in fact because the first one I thought the request didn't go through but when I run:
cardano-cli query utxo --address $(cat 01.addr) --testnet-magic ...
- 198
1
vote
0
answers
28
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Problem with Lesson 5 code on newer version
I am trying to get signed token up and running on the Plutus playground from lesson 5 and I'm running into an issue with I believe is a depreciated variable of PubKeyHash does any body know the ...
- 472
1
vote
1
answer
105
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Error when executing npm start in plutus-playground-client
I get this error when I try to execute npm start in the plutus-playground-client directory
10% building 0/1 entries 0/0 dependencies 0/0 modulesℹ ｢wds｣: Project is running at https://0.0.0.0:8009/
ℹ ｢...
1
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0
answers
28
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Does the plutus playground make all defined function inlinable by defauld?
I noticed that not in all of the examples on the playground the {-# INLINABLE myProgram #-} flag is used. Does the playground natively accept every function as template haskell? Why do some examples ...
- 1,872
1
vote
0
answers
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 ...
- 349
1
vote
2
answers
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-...
- 198
1
vote
2
answers
285
views
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 ...
- 111
1
vote
2
answers
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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1
vote
1
answer
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 ...
- 11
0
votes
2
answers
92
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Error cabal build: "Failed to build lzma-0.0.0.3" even in nix-shell and also tried "sudo-apt install liblzma-dev"
I'm trying to run the command "cabal build" the Week02 code of plutus-pioneer-program but it has this error and I have tried everything but the same error keeps appear:
Failed to build lzma-...
- 11
0
votes
1
answer
35
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Plutus Playground - mustPayToTheScript - unexpected char escapes - 0 converted to \NUL, 1 to \SOH
I am having trouble with the mustPayToTheScript function - I am getting this error
Contract instance stopped with error: "WalletError (InsufficientFunds \"Total: Value (Map [(,Map [(\\\"...
- 25
0
votes
1
answer
37
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Did I update Plutus Apps Repo Wrong?
I just did a git pull updating my plutus repos from the one used in plutus pioneers 3 to the full state. I did not choose to move the HEAD to the commit mentioned and wanted to see what happens if I ...
- 962
0
votes
1
answer
154
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Select only one UTxO from script address
I need to get only one UTxO from the script address, where its datum hash matches the redeemer hash. For example I have locked two UTxO with 10 Ada and the DatumHash "house" at the script ...
- 33
0
votes
0
answers
58
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npm start is failing
Had worked all last week.
This week after messing around to get cabal repl working, npm start has been abending.
Screen shot attached.
Tried as suggested "GC_DONT_GC=1 npm run start" It ...
- 23
0
votes
1
answer
46
views
ConnectionError: There was a problem with the response body: Unexpected token T in JSON at position 0
I am having an issue with compiling any contracts on the local playground. It doesn't matter even when trying to compile the example contracts that are provided I keep getting this error. I have no ...
0
votes
1
answer
270
views
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 ...
- 101
0
votes
2
answers
173
views
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 ...
- 1
0
votes
0
answers
34
views
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-...
0
votes
1
answer
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 ...
0
votes
1
answer
101
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-...
- 198
0
votes
1
answer
74
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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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