Unanswered Questions

113 questions with no upvoted or accepted answers
11
votes
0answers
143 views

How to emulate a multi-sig transaction?

I'm working on a Plutus contract that requires multiple signatures to unlock. To do so, I've been referencing the MultiSig.hs sample contract. Now, I'm looking to create traces for testing purposes, ...
6
votes
0answers
63 views

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, ...
6
votes
1answer
119 views

Append metadata to transaction from Plutus code

Is there a way to append metadata to transactions that are send from plutus code? Right now we send transactions from the contracts like follows (or something alike): ledgerTx <- ...
5
votes
3answers
206 views

Are there any plans to have a bridge between the Cardano and Cosmos blockchains?

Are there any plans to have a bridge between the Cardano and Cosmos blockchains? Cosmos is working on the gravity-bridge which is a bridge between Ethereum and Cosmos so I assume there must be some ...
5
votes
1answer
77 views

Fetching all Tokens that belong to a Minting Policy

Is there a way to programmatically get all the TokenNames belonging to a CurrencySymbol with Plutus?
4
votes
1answer
52 views

how do I know if I should use cardano-cli or cardano-wallet

I'm new here and it's still a bit vague for me... In the developers' docs I often see that you can do the same thing with cardano-cli and cardano-wallet (receive payments, create metadata transactions,...
4
votes
1answer
82 views

Pay out your salary from employer to employee in ADA (crypto)

How can I arrange for my company that I can pay my employee's in crypto ADA coins or crypto on the Cardano network? I would like to facilitate my employee's that they have the option to pay a part of ...
4
votes
0answers
73 views

Can't connect cardano-wallet with the node on testnet: blockedIndefinitelyException = thread blocked indefinitely in an STM transaction

I'm following this guide https://developers.cardano.org/docs/integrate-cardano/creating-wallet-faucet#creating-a-wallet-with-cardano-wallet to learn about Cardano infra. I have cardano-node running on ...
4
votes
0answers
80 views

How to spend two outputs of two different scripts

I've got a problem. I've tried to implement a logic which can spend 2 outputs of 2 different scripts and create 2 new utxos like a following lookups = Constraints.typedValidatorLookups instance1 ...
3
votes
0answers
35 views

Canonical example of Smart Contract Verification?

Given that the chief benefit of Cardano Smart Contracts over Ethereum Smart Contracts is formal verification (and thus its implied validity, security, and robustness), is there a non-trivial example ...
3
votes
1answer
71 views

Calculating a Transaction Size and Fee

I realize that the CLI has commands for calculating a minimum fee based on a transaction size, but I'm wanting to do a calculation manually. The documentation states that the formula for calculating ...
3
votes
0answers
32 views

Can someone who is familiar with Ouroboros explain its fault tolerance threshold?

Ouroboros claims to be <50% Byzantine fault tolerant with regards to persistence. I was wondering why is it that some other PoS systems settle for 33% (e.g. Casper), when 50% is provably achievable?...
3
votes
1answer
42 views

How to convert BuiltinData to BuiltinString?

Since I just started to write Plutus code, I want to make some tests of Plutus. For example, I'd like to know what exactly my redeemer :: BuiltinData value is. However I can't convert BuiltinData to ...
3
votes
1answer
32 views

There is a CPU spike once per hour when logging "TraceLedgerEvent.TookSnapshot". Is it a bug, or is there a fix?

About once an hour, when TraceLedgerEvent.TookSnapshot is written to the log, there is a CPU spike and at the same time the slotMissedNum is increasing. Is this a bug in the node? Or is there a fix? ...
3
votes
0answers
46 views

How to check using CLI that toke is a NFT?

One can check with online tools (described here) if a token is an NFT. How the same thing can be done using CLI tools? Eg. in some sort of a script.

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