All Questions
18
questions
1
vote
1
answer
23
views
how to use ownPubKey and RedeemerType and DatumType
My code is here.
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE ...
- 31
2
votes
1
answer
26
views
Expecting one more argument to ‘RedeemerType’
My code is here
marketConstraints :: Market -> TxConstraints (RedeemerType -> ScriptContext -> Bool) (DatumType, ())
marketConstraints market = mustValidateIn (to $ scriptAddress market)
I ...
- 31
1
vote
1
answer
227
views
How to deploy the Plutus smart contract
I am following Plutus-pioneer-program to learn smart contract development in Cardano. I have tried the onchain and offchain code, compiled and tested in Plutus playground and also in emulator trace. ...
- 29
10
votes
3
answers
349
views
How to properly start a new Plutus project, from scratch
I'm from ETH's ecosystem and recently just decided to get into Cardano development, specifically Plutus dev work thanks to Demeter.Run, and after going through the Plutus starters on there, I noticed ...
- 101
0
votes
1
answer
47
views
Printing a plutus validators cborhex to a file
I was hoping to get some advice re printing a plutus validators cborhex to a file. Im kinda basing my logic off of an example in week03 in the pioneer program but need to make some adaptations.
Below ...
- 25
0
votes
1
answer
34
views
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
2
votes
2
answers
57
views
Whats Your Mental Model For Monads?
I was asked by a friend trying to learn plutus what a monad was, so I began talking about category theory. It seems that this confused him further how would you explain monads to a noob?
Whats your ...
- 952
0
votes
1
answer
119
views
Can't create ```TokenName``` using ```tokenName``` with error ```GHC Core to PLC plugin: E042:Error: Unsupported feature: ...```
I'm not sure is relevant but the code in question is for a generic Validator (with Datums and Redeemers) used to get a forwarded minting policy
the problem should be clear from the title, I can't get ...
- 1,088
0
votes
1
answer
202
views
What is the correct way to compare two instances of Value data type?
Question
What is the correct way to compare two instances of Value data type?
Context
I would like to check if outgoing transaction identified by PubKeyHash has the same Value as Value which was ...
- 599
0
votes
2
answers
65
views
Does the redeemer have to be from a wallet address/contract?
Could a contract be programmed such that the redeemer seemingly comes from nowhere from what the node / someone monitoring the blockchain could tell? I am thinking if you gave the contract some ada ...
- 31
0
votes
1
answer
105
views
Question about Plutus smart contract which always succeeds
Can anyone explain in detail why this script, https://github.com/james-iohk/Alonzo-testnet/blob/update-cabal-1.29.0/resources/plutus-sources/plutus-alwayssucceeds/src/Cardano/PlutusExample/...
- 321
3
votes
1
answer
105
views
Best practice for testing smart contract
Let's say you have your haskell code ready to test as a smart contract on the testnet, what is the best practice to go about testing if your smart contract works as intended? Does the same process ...
- 321
2
votes
2
answers
81
views
Retrieve only digit from TokenName and use onchain
How can I make the following function to retrieve only digit portion from the TokenName and use it on chain?
For example I want to retrieve the number 123 from "AAA123" (TokenName)
{-# ...
- 21
0
votes
1
answer
122
views
How to validate the correctness of another parameterized script address on-chain
I would like to write a factory script that can initialize another parameterized script address by sending it an NFT. The factory validator gets the parameters of the target script as redeemer and has ...
- 83
2
votes
1
answer
74
views
What does it mean for a contract to "stop"?
I'm working through the week 4 homework for the Plutus Pioneer program. I've found an answer to the homework problem and now I'm trying to get a deeper understanding of the code. I've noticed that the ...
