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2
votes
1answer
15 views

Invalid KES signature OCERT but gLiveView shows KES is valid

Have recently rotated KES following steps. I cannot get any block to get adopted despite being selected as a slot leader number of times already. As you can see Guild LiveView tool shows that KES kes ...
1
vote
0answers
10 views

Failed to build eventful-sql-common-0.2.0

For lecture 10 of plutus pioneering program, we had to run cabal run uniswap-pab to create the contract IDs. I got this error: cabal: Failed to build eventful-sql-common-0.2.0 (which is required by ...
1
vote
0answers
10 views

Error running cardano-db-sync in docker-compose file as devcontainer

I have a docker-compose.yml file which I use as a devcontainer for VSCode. Part of my application requires access to cardano-db-sync so that I can query the database for transaction information. I am ...
3
votes
1answer
16 views

.NET cardano-cli query utxo Process freezes on a specific address

I have a strange situation where running the cli from a .net Process.Start() it works all of the time (on tested addresses), but on 1 address it just freezes - process.WaitForExit() never exits. When ...
1
vote
1answer
25 views

cardano-node goes down after “cardano-cli query pool-params”

Making this query to my cardano-cli cardano-cli query pool-params \ --stake-pool-id pool13crd2ljx87988umk22er6ynwadfwdqupdpcq6prc6v59z62kxse \ --mainnet Makes my cardano-node goes down. Is ...
1
vote
1answer
21 views

Is there a penalty for having two block-producing (BP) nodes in a pool that try to mint a block in the same slot?

Is there a penalty for having two block-producing (BP) nodes in a pool that try to mint a block in the same slot? For example, I'd like to bring up a new BP node in another region, but that results in ...
3
votes
1answer
17 views

What is the correct Plutus repo tag for Plutus Pioneer Program week01?

I'm starting out with the Plutus Pioneer Program at https://github.com/input-output-hk/plutus-pioneer-program. One of the first steps is to clone the Plutus repo https://github.com/input-output-hk/...
1
vote
1answer
22 views

How to transfer ADA from Daedalus wallet to Yoroi wallet?

I have created a new Yoroi wallet but I want to transfer ADA from Daedalus wallet, but I don't know how. For example: I have 20 ADA that I want to send to a Yoroi wallet and I want to send them from a ...
4
votes
2answers
48 views

Did the token fingerprint hash algorithm change?

I have an question about the asset fingerprint. For example here: https://pool.pm/333427e94971f530653bb945f34f914252ad570c0b84dfd8c8e8c97b.ExtraHate067 it shows ...
1
vote
1answer
27 views

How can I send ADA to a Yoroi wallet?

I have created a new Yoroi wallet and I want to send ADA to the newly created Yoroi wallet, but I don't know how.
5
votes
1answer
35 views

Does Daedalus wallet validate transactions on the network in a way that's useful to the network?

Daedalus wallet is a 'full node wallet' does that mean it acts like a validator node on the network while active? or does it simply mean that it validates all the transactions on the blockchain for ...
2
votes
2answers
44 views

Is it possible to send a native token to another wallet while sending the minimum amount of ADA to my own wallet?

Every transaction needs to include at least 1 ADA (See: Is there a minimum amount of ADA I can send in a transaction?). I want to send a native token to someone else, but I don't want to send them the ...
4
votes
1answer
32 views

What are the benefits of the two accounts model?

In some answer (see there) someone explained that there are several benefits for the two accounts system (one spending account and one reward account). What are those benefits? Wouldn't it be more ...
2
votes
1answer
29 views

Smart contract datum encryption

Is there any way to make datum data only visible to a smart contract that owns the UTXO? For example, lets say I wanted to make a guessing game. In this game, person A selects a number and creates an ...
5
votes
2answers
280 views
+50

What's the difference between `unstableMakeIsData` and `makeIsDataIndexed`?

In the docs about validators a function named unstableMakeIsData is used, but has the following comment: -- 'unstableMakeIsData' is a TemplateHaskell function that takes a type name and -- generates ...
3
votes
1answer
24 views

What is meant by 'address is not spendable'?

The Cardano native token documentation explains how the the native tokens can be transacted and that a fee in ada is required for the transaction (min-ada-value). They continue with 'If the address is ...
4
votes
3answers
34 views

When I switch to another stake pool, do I need to withdraw my rewards first?

I'm using Yoroi and want to switch to another stake pool. I never withdrew my rewards from the current pool. What happens to my rewards when I switch pools? Do I need to withdraw them before I switch ...
3
votes
1answer
44 views

NFT Image not Displaying in Pool.pm after using the 721 Metadata Standard

I am not seeing the image of the NFT I minted a couple of hours ago on pool.pm. I used the standard recommended by Alessandro Konrad and Smaug in https://github.com/Berry-Pool/CIPs/blob/master/CIP-...
2
votes
1answer
79 views

Time required to build node

I'm setting up a node on my mac. It's been stuck on "Building network-3.1.2.1 (all, legacy fallback)" for a couple of hours now. Is this normal, or have I got something wrong? Thanks
3
votes
1answer
43 views

Extract the bech32 stake address from a shelly address in javascript

I am looking to get the bech32 stake address from a bech32 shelley address. I think I have to decode the shelley address, take the stake address part and encode it again. I looked here: https://github....
5
votes
1answer
45 views

How is a slot leader actually selected to make a block?

As far as I can tell, once some blockchain data is fed into a hash, this creates an epoch nonce that is used to define the slot leaders in that epoch. How is the nonce used to select slot leaders, and ...
3
votes
2answers
21 views

Can immutable data on Daedalus be backed up and restored for quicker wallet installation/update?

How about just backup and restore chain/immutable directory for Daedalus installation or updates, even across machines. Can that avoid the wallet downloading it again after the installation? Also, are ...
6
votes
3answers
58 views

What's better for cloud Virtual Private Server stake pool operations, persistent disk or local ssd?

I'm comparing various cloud server providers and I'm trying to understand the best storage options to run a stake pool in the cloud. Is a persistent disk better than an attached SSD? A persistent disk ...
2
votes
1answer
25 views

Does the rewards on the pledge stake address count toward the stake pool pledge?

The pledge is just a delegation to the stake pool signed with the owner key. My question about the pledge amount, are the stake address' rewards counting towards the stake pool pledge as well or just ...
1
vote
1answer
17 views

How does smCheck work?

In the PPP lecture 7 state machines are introduced. They are used to make the guessing game more concise. One of the situations is where the first player has won and needs to prove their guess by ...
6
votes
1answer
33 views

What is the difference between an active, relay and passive stake pool node?

I have seen three types of stake pool nodes mentioned. Active Relay Passive How do they differ in purpose and function?
3
votes
3answers
64 views

Where can I find Cardano Dapp code and demo examples?

I am checking Cardano documentation to develop Cardano POC for my Dapp, found some good examples to create contracts using online application i.e. Plutus (https://playground.plutus.iohkdev.io/). ...
2
votes
2answers
41 views

How is the active stake of a stake pool calculated?

This question is related to my previous question: When are the snapshots for the active stake in an epoch taken? The active stake of a pool is used to calculate the rewards. What kind of system ...
1
vote
1answer
26 views

When are the snapshots for the active stake in an epoch taken?

A stake pool always has an "active stake" and a "live stake". "Active stake" refers to the amount of ADA that is used for rewards calculation in the current epoch. "...
1
vote
1answer
35 views

Can I safely reinstall Daedalus wallet when hardware wallet already exists?

I have a hardware wallet. I have decided to reinstall the Daedalus wallet and link it to my hardware wallet. Does anyone know of a tutorial? When I reinstall the Daedalus wallet and connect my ...
3
votes
1answer
30 views

plutus pioneer week01 src code explain

I'm a little confused about the following code(from EnglishAuction.hs): auctionInstance :: Scripts.ScriptInstance Auctioning auctionInstance = Scripts.validator @Auctioning $$(PlutusTx.compile [|| ...
1
vote
0answers
23 views

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 ...
6
votes
1answer
62 views

Staking Key a Privacy risk?

So I just realized today that the staking key for a wallet is persistent, namely that every public key of that wallet will generate the same staking key. This appears to undercut the technique to use ...
4
votes
1answer
49 views

What does two consecutive apostrophes mean in Haskell and Plutus?

I have noticed the frequent appearance of two consecutive apostrophes in Haskell code. Like this: newtype Date = Date Integer data EndDate = Fixed Integer | Never unstableMakeIsData ''Date ...
1
vote
0answers
8 views

Mallet IELE Compiler crashes without Uncaught Error

I was able to get mallet running with the command ./mallet iele -d . I created a simple contract that works in Remix but when I try to compile the contract using iele I get a Uncaught 'Compiler error: ...
2
votes
0answers
23 views

Why does my test of Plutus contract crash?

I tried to equip the EnglishAuction.hs contract from Plutus Pioneer Program week 01 with test routine designed according to what Lars presented in later lectures: doTest :: IO() doTest = ...
5
votes
2answers
57 views

Plutus Pioneer Program - Lecture #1- Cabal Build error

I started following the lectures on youtube and got this error when I try to build the English Auction Warning: The build command is a part of the legacy v1 style of cabal usage. Please switch to ...
4
votes
2answers
226 views

Daedalus wallet not syncing and cardano node not responding

I just updated the daedalus wallets to the 4.1.0 version. When I launch it, it says Verifying the blockchain (50%), once it completes it resets and starts from 0% again. Also, it says: Cardano is not ...
4
votes
1answer
99 views

When actually a validator is deployed to the blockchain?

I'm re-watching the Plutus Pioneer Program and in the video #2 I don't exactly get it here: https://youtu.be/E5KRk5y9KjQ?t=1782 There's the same contract code used by Wallet1 and Wallet2. Each of them ...
2
votes
0answers
54 views

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 ...
4
votes
1answer
52 views

Create a Native token for voting & burn afterwards

I am looking to issue voting Tokens. The basic idea is that I will send something like 100 tokens to 10 people. Then there will be three wallets that act as ballot box. In order to incentivise the ...
8
votes
3answers
89 views

What does it mean to “burn” a token?

I'm guessing it means remove the token from circulation, permanently. In a real-world example that would be akin to literally throwing cash into a fire? What are the technical details involved in the ...
-1
votes
0answers
47 views

Where can I contact developers to make an sharing economy dapp on Cardano? [closed]

I think, one of the next steps on blockchain is to use identity/governance, to enhance the frozen/detained value in people's belongings. We could change commerce between and amongst cities, help the ...
2
votes
1answer
44 views

what is the ADA (Cardano crypto-currency) SDK?

I'am very new to the blockchain community and I have a new project that i'am starting to work on using the Cardano Blockchain and its crypto ADA. I stumbeled upon the name "ADA SDK" and I ...
3
votes
2answers
39 views

Is it safe to point cardano-wallet at Daedalus “wallets” directory?

I'm running an instance of cardano-wallet which is already pointed at my Daedalus node socket. Would it be safe/possible to point to the wallets directory of Deadalus via the --database argument?
0
votes
1answer
25 views

Will there ever be a fiat on-off ramp in the official wallets?

Will we ever have to and from fiat conversion available in the wallet? This would go a very long way in adopting and using Cardano. Currently, using exchanges is a rip-off in fees and a headache in ...
4
votes
1answer
150 views

Detailed Minting policy documentation?

I found several Articles which deal with Minting Policy's for native tokens as: https://cardano-ledger.readthedocs.io/en/latest/explanations/policies.html#minting-policy https://github.com/input-...
4
votes
1answer
42 views

How are staking rewards stored?

In another question Andrew Westberg mentions that staking rewards are not stored as UTxOs to save space on the blockchain. My question is: how exactly are those rewards associated with one's stake ...
2
votes
1answer
33 views

Alonzo being a hard fork, will Daedalus support it automatically? [duplicate]

How should the users prepare for the upcoming Alonzo hard fork? Will it be as simple as just updating the Daedalus wallet when it's out, or are there some precautious actions that we have to take (...
4
votes
1answer
48 views

How to calculate the current reward of a pool at current Epoch using graphql

Having this Graphql query I know how many blocks this pool has produced on this epoch. query stakePoolById($poolId: StakePoolID!) #$epochId: Int { stakePools(where: { id: { _eq: $poolId } }) { ...

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