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6 views

Verifying Payment Address

Before funding the payment address on my staking pool, I would like to make sure that the funds can be retrieved by me, as the process of air gapping to create these series of keys and addresses ...
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0answers
6 views

Advanced Payment Integration

I understand this is all new and still very early but I'm wondering if more advanced payment integration is possible. I went through the example of accepting payments, but I have an app releasing soon ...
0
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0answers
5 views

Does Daedalus Perform Tasks Beyond Those of a Wallet?

I didn't read the user agreement and just installed. Why does it use a full core 100% of the time? Is it doing work for the health of the network, or any other type of work besides just being my ...
0
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1answer
8 views

Are Smart Contracts bytecode encrypted?

As the title states, is a smart contract's live machine code encrypted, ciphered, or otherwise shielded? Say a user wants to create a SC to send whatever Ada it receives, at a specified interval, to ...
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0answers
7 views

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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0answers
3 views

cardano-cli query return epoch = null

When I run cardano-cli query tip --testnet-magic 1097911063 I recieve: { "epoch": null, "hash": "b89d3cdc3ca3e16b6a065668b878116b297a788bfce29f904d4840cf2b69fd34", "...
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3answers
44 views

Can a smartcontract access the state of its own address?

As the title says, is there a way for the smart contract to read all UTxOs on its own address and also verify that all UTxOs were used to determine token count on the address. For example users send ...
0
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2answers
36 views

Can same UTXO be consumed multiple times in a same slot/block?

Lets imagine I have UTXO sitting with some Datum, for example storing information about some USDT balance, which I am currently selling to anyone (as in lecture 8 of iteration 2). Can there be for ...
0
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1answer
26 views

How do I set up a smart contract?

I want to request a payment from a business via a smart contract, do I need to know how to code the contract myself? I’d also appreciate some guidance on the following; What do both parties need to ...
0
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0answers
15 views

missing node.socket

so I synced towards Alonzo mainnet with cabal build and interrupted at 92% and somehow ~/cardano/db/node.socket is missing. And no matter how many times I restart the node with cardano-node run \ --...
3
votes
1answer
19 views

Block Producer vs Relay Node setup

Can only Pool operators run Producer nodes? What is the difference between the producer and relay from a setup point and where to get the specifics for each on installing? Being new it's hard to know ...
0
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1answer
11 views

What is a host address how do I get one

I have been going through the Cardano developer tutorials and they asked me to run this code (posted below) to run a node but it responded with (Failed to parse IPv4 address: x.x.x.x.). I figured that ...
1
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2answers
27 views

Staking pool not participating in next couple of epochs?

I started staking yesterday and staked to TSC, which is a new pool started by a YouTuber whose Technical Analysis I appreciate. But after staking I realized... well, a lot of things. It's complex. ...
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0answers
18 views

Integrating payment through a QR code and a smart contract

I am looking to create a set of NFTs to be sold on my website. During the payment process, I would like to simplify the user's time as well as mine by automating the exchanging. I would like to create ...
0
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0answers
15 views

`Integer` as `Datum` in offchain code

In the onchain validator I used Integer type for Datum and everything was fine but when I want to use mustPayToOtherScript tx constraint in the offchain code I get the following error: • Couldn't ...
0
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0answers
15 views

`Constraints.unspentOutputs` in `lookup`

I have a question regarding lookups, there is an option Constraints.unspentOutputs, why is it needed? Because in the txConstraint MustSpendScriptOutput I already supply TxOutRef as an input. The ...
3
votes
1answer
119 views

Can I avoid using a public IP on Block-Producer (BP) node?

My BP and relays are on the same local subnet, I would prefer to give them the private IP address in the topology files. However, all of the guides I've come across explicitly state using public IPs. ...
2
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0answers
12 views

Finding related addresses and total balance of wallet for any given address

In the Daedalus wallet under "Receive" it says Please note that all of your receiving addresses include your stake key. When you share a receiving address, the recipient can search the ...
0
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0answers
11 views

Opinions on Payment Integration Within App...?

I'd like some opinions on this possible integration of Cardano payments on my native iOS app. Native as in it runs and can store information on the device. So Apple would pretty much be behind the ...
1
vote
1answer
32 views

Wallets begining with 0x

I've seen multiple blockchains (eth, bnb, avalanche) that support wallets that begin with 0x, that way we have 1 wallet for multiple chains, is this possible with cardano or we are fixed to addresses ...
0
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1answer
25 views

is it possible to execute an undecidable off-chain loop, and attack the network in this way?

is it possible to execute an undecidable off-chain loop, and attack the network in this way? taking into account that the off-chain code is flat Haskell code is also complete turing.
1
vote
1answer
18 views

Using rsync to copy database

I am spinning up another pool. Can I just rsync the database folder, after everything else has been setup? They're on the same 10GBe switch, so I will try anyway... but just wondering.
0
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0answers
9 views

libsodium build warnings

I am working to set up a Cardano staking pool (node). As I was building the specific reference of libsodium called out in the docs (66f017f1), I got a LOT of unsettling warnings such as (truncated): ...
0
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0answers
14 views

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 ...
0
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0answers
13 views

Can a function be passed in as an endpoint argument?

Can a function be passed in as an endpoint argument? IOW,how can I instantiate a function for FromJSON?
1
vote
1answer
64 views

How to start coding Cardano Smart Contracts?

I have some ideas which including the use of smart contracts. The thing is that i don't know anything coding them. So my question is, where should i start to learn doing it. I mean every programmer ...
1
vote
1answer
45 views

How to instantiate ToSchema for ADT?

If I have data Thing1 = I Integer | S String how do I instantiate ToSchema for it? Note that deriving doesn't work. And how about for data Thing2 = I Integer | S
0
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1answer
36 views

Is there a Cardano API to transfer ADA from one wallet to another using a backend server?

I'm really new to crypto but I've been a dev for a long time now in App and Web Development. I have an app where I'd like to accept payments In ADA. My question is if there's a Cardano API to transfer ...
0
votes
1answer
15 views

cardano-db-sync build instructions?

The ones I found seems to be out of date. https://github.com/input-output-hk/cardano-db-sync/blob/master/doc/building-running.md Warning: Requested index-state 2021-07-02T00:00:00Z is newer than '...
0
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0answers
12 views

Unable to sync blockchain with "cardano-cli blockchain pull mainnet"

I've been attempting to run cardano-cli blockchain pull mainnet and continue to get the following error message: WARN 2021-09-14T03:26:45Z: exe_common::network::native: connection peer iohk-hosts' ...
2
votes
1answer
39 views

Documentation for smart contract deployment on testnet & mainnet

Can somebody point out where I can get the doc for smart contract deployment on testnet & mainnet? I am testing on plutus playground now and would deploy on testnet to try. Thanks in advance.
0
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2answers
45 views

Can I Share Daedalus Public Key?

I am trying to add my accounts to a coin baalance tracker, but am having a hard time with Daedalus. The only option that seems to make any sense is sharing the public key with the tracker apps. Is ...
1
vote
1answer
22 views

nix-build alonzo mainnet

I've installed cardano-node via nix-build: git clone https://github.com/input-output-hk/cardano-node cd cardano-node git checkout tags/1.29.0 -b 1_29_0 nix-build -A scripts.mainnet.node -o mainnet-...
1
vote
2answers
54 views

Why does the Plutus script need be provided in the transaction?

Why does the Plutus script need be provided in the transaction? My understanding is that a script address is just a hash of the script. In order to spend a UTxO from a script address the spending ...
0
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0answers
12 views

Syntax error in script when generating policyid

On windows I'm trying to mint some nfts on cardano testnet using this guide: https://developers.cardano.org/docs/native-tokens/minting-nfts/ Problem is that when I'm trying to generate policyID Im ...
4
votes
1answer
37 views

I've found a small error in the Node running documentation, do I correct that, and if so, how?

I installed the Cardano node today and found a small error in the documentation. https://developers.cardano.org/docs/get-started/running-cardano/ Basically, the config file for the Alonzo era needs to ...
0
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0answers
26 views

cardano-wallet generated seed phrase -> List with quotes and commas

I have been following the Exploring cardano-wallet doc and have run into a bit of a snag when creating a wallet. The cardano-wallet recovery-phrase generate command returns a newly created seed phrase....
4
votes
2answers
141 views

How to prevent economic DOS attacks against Plutus contracts

Many people wrote about the eUTXO model and the benefits it brings compared to Ethereum. However, eUTXO also comes with some challenges. In particular, eUTXO is susceptible to "economic denial of ...
1
vote
0answers
59 views

Is there a good tutorial to mint Cardano NFT using plutus script?

I used to mint Cardano NFT using "Time locking" following this guide https://developers.cardano.org/docs/native-tokens/minting-nfts/. But I know the more formal way is to use plutus script ...
2
votes
0answers
42 views

Did I lose a lot of ADA after updating Cardano node?? Alonzo hardfork

So, the context is I have cardano-wallet and node deployed via docker-compose. I do have mnemonic codes, wallet passphrase, id/label, everything. For alonzo hardfork, I had to upgrade my node which I ...
1
vote
1answer
84 views

Why Is Daedalus Mainnet taking so long to Sync My Transaction History with the Blockchain?

I'm running version 4.3.1 and started yesterday morning at approximately 8:30 AM now almost 24 hours later it's still synching at 89.6% complete. I have 186GB free on C:\ drive and a hard wired ...
0
votes
1answer
17 views

What is the technical configuration difference between a cardano-node relay and producer?

More specifically, how does one know or how does one check if a cardano-node process is acting/functioning as a relay versus a producer?
0
votes
2answers
42 views

cardano-cli: Network.Socket.connect: <socket: 11>: does not exist

I'm at this part of the docs. The node is running (left terminal in the image below), but now I'm trying to query the blockchain from another terminal and receive the error: cardano-cli: Network....
0
votes
1answer
84 views

Minting NFTs via cardano-cli: How to mint several NFTs consecutively?

I followed the NFT minting docs on https://developers.cardano.org/docs/native-tokens/minting-nfts which works very well for the first transaction. I'm currently stuck trying to mint a second NFT. It's ...
3
votes
2answers
184 views

Minting a NFT (collection) with Blockfrost

I see al lot of NFT projects where you can buy 1 or multiple NFT's for a certain price. Like unsigned_algorithms, CardanoTrees etc. I am curious how these projects are created without the use of smart ...
1
vote
2answers
42 views

Added more ADA on Yoroi while staking

Hi there needs some help. I just added more ADA on my Yoroi Wallet while staking in a pool. Will the new ADA be automatically be added into the current staking pool? And do I need to withdraw my ...
0
votes
1answer
31 views

PAB requesting CONFIG_FILE on CLI

Trying to run PAB by executing: cabal exec -- myapp-pab webserver returns the following error: [Error] The --config option is required However, the lecture by Prof. Lars (PPP Lecture 6) didn't make ...
2
votes
1answer
49 views

Retrieve NFT transaction metadata

i've minted some NFTs with 721 metadata in the transaction and am now looking to retrieve the metadata information for further processing. I've send these NFTs around a bit so the utxo is not the ...
2
votes
1answer
52 views

Entropy problem in addresses generated by Daedalus wallet

I've created a new wallet in Daedalus, and I've noticed that 20 new generated addresses have the same repeating pattern in the second part of each address. Here's how it looks like: addr1.................
2
votes
1answer
80 views

Ouroboros: which version

I was reading this blog post From Classic to Hydra and I was wondering which version of Ouroboros is currently implemented in Cardano: Classic, BFT or Praos? Thank you!

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