Questions tagged [cardano-node]

The top-level component for a node.

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2answers
40 views

Can a smart contract create a transaction on someone else's behalf?

Must someone send their ADA/tokens to a smart contract address in order for the ADA/tokens to be used in the contract OR, for example with Nami wallet connected on a web page, is it possible for a ...
0
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2answers
17 views

How to solve "cabal: Could not resolve dependencies" when building cardano-cli cardano-node

I'm a newbie to Cardano. I'm trying to set up a stake pool as this link explained. https://www.coincashew.com/coins/overview-ada/guide-how-to-build-a-haskell-stakepool-node I stuck with cabal build ...
2
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0answers
18 views

Is there a "Moore's law" type function, that has been fitted to the Cardano blockchain size as a function of time?

In technology, when something is growing quickly and monotonically over time, we often fit the data over time to a curve and make claims like "the doubling time of the number of transistors in a ...
1
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1answer
26 views

Testnet Node Error - [cardano-:cardano.node.DnsSubscription:Error:211493]

Currently running a test node and when it gets synced this error happens. So far I deleted the db/ folder and ran cardano-node again. Everything was going well but when it syncs this happened again. ...
2
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2answers
31 views

Cabal build all failing with error: Symbol not found: _sodium_free

Attempting to build the cardano-node on Mac OS Big Sur while following the instructions found here: https://developers.cardano.org/docs/get-started/installing-cardano-node/#macos When I hit the cabal ...
2
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1answer
25 views

How to create private relay, so we are save against DDOS attack if our public relays goes down

I'm planning to build private relay, in case if my public relay will go down due an attack. Based on my understanding I do not need register that relay when I register pool using command cardano-cli ...
2
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1answer
86 views

ScriptWitnessNotValidatingUTXOW error when submitting transaction

I can send simple transactions to yoroi without any errors. However when I submit a transaction with NFT policy cardano-cli returns an error. node version 1.30.1 (relay node) system: ubuntu 20.4 tip: {...
1
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3answers
49 views

I have a cardano internal error

I ran the Cardano node command and it was fetching new tips for like a minuet then i get this error: cardano-node: internal error: Unable to commit 1048576 bytes of memory (GHC version 8.10.4 for ...
3
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1answer
49 views

Error running Testnet node: unwrapEnvelopeErr = ObsoleteNodeCHAIN BlockNo 2989599 SlotNo 39614381

I am trying to run a testnet node (version 1.29) but it stops sync with this error: $ cardano-node run --topology testnet-topology.json \ --database-path ~/cardano/db/ \ --socket-path ~/cardano/...
1
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1answer
42 views

How many servers do I need to run cardano-wallet?

I want to automate the sell process of NFTs. It seems to me that the only backend wallet available right now is cardano-wallet. To run cardano-wallet I need to install cardano-node. If you investigate ...
2
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2answers
104 views

Installing Cardano-node on an M1 Mac

I am trying to get a cardano node started on a Mac with the new M1 chip. Ive looked through the Installing a Cardano-node walk-through and found that they specify that the Mac install is for Intel ...
5
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1answer
143 views

How to run smart contracts in the Cardano Blockchain?

I know that since Alonzo was launched smart contracts can be published in the blockchain now, but I have no idea how to do it. I have read some articles about the Plutus Application Backend though, it'...
3
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1answer
34 views

Why my cardano-node is now running a strange loop after an upgrade to a higher version?

Lately, after a node upgrade to a higher version (1.30.1), my Block-Producing (BP) node will "stay" in the "start" phase for about 45 minutes making a strange loop by switching to ...
2
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1answer
91 views

How to upgrade my Cardano node to version 1.30.1 from a Coincashew install?

I installed and configured my node by following the tutorial from Coincashew. Currently running with version 1.29.0, could someone give a procedure to upgrade my node to the higher version safely?
4
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2answers
60 views

Executing cardano-cli inside a docker container from another docker container

Can anyone help me with something, I'm trying to run a web server over the cardano-node docker image. I have some solutions in mind but I would like to have some feedback from you. Approach # 1 Build ...
2
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1answer
62 views

Mainnet – How to fix a frozen DB syncing?

I've been trying to sync with the Cardano blockchain in order to use CLI wallet on macOS Big Sur 11.6. But syncing is frozen at epoch 289 on block 6,236,059. cardano-cli query tip --mainnet { &...
3
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2answers
148 views

How to deploy plutus/marlowe contract on Cardano blockchain

i am developing smart contract in plutus/marlowe playground which i compiled and simulate contracts successfully but now i want to deploy a contract on Cardano blockchain
2
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1answer
34 views

What's NODE ID? I'm not talking about pool ID

Was setting up script, sendmytip.sh, to update PoolTool with tip and height information. I noticed this NODE_ID value: #!/usr/bin/env bash ## CHANGE THESE TO SUITE YOUR POOL # your pool id as on the ...
3
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3answers
161 views

Minting NFT automatically based on transaction

I wish to write a script that will automatically mint NFTs given payment to an address. Firstly, I haven't found anyone that has shown how to do this, but if anyone has, or is willing to share, please ...
4
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1answer
108 views

Lobster Challenge: zsh: no matches found error on building transaction

So I'm trying to build the transaction for voting on the naming of Charles Lobster. However whenever i specify the UTXO as TxHash + "#" + TxIx it complains and says zsh: no matches found: ...
0
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1answer
31 views

LedgerFailure - Trying to sync to testnet

I am getting an error when trying to sync to testnet with 1.29.0 and using the genesis files from https://hydra.iohk.io/job/Cardano/cardano-node/cardano-deployment/latest-finished/download/1/index....
2
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1answer
82 views

zsh: command not found: cardano-cli

Following this guide https://developers.cardano.org/docs/get-started/installing-cardano-node/#macos for Mac OS X. Have completed all steps as per guide. However, I am getting 'zsh: command not found: ...
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0answers
15 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 ...
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0answers
7 views

cardano-cli query return epoch = null

When I run cardano-cli query tip --testnet-magic 1097911063 I recieve: { "epoch": null, "hash": "b89d3cdc3ca3e16b6a065668b878116b297a788bfce29f904d4840cf2b69fd34", "...
3
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2answers
82 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 \ --...
5
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1answer
72 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 ...
1
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2answers
62 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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1answer
38 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 ...
3
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1answer
26 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): ...
4
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1answer
42 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 ...
3
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1answer
65 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 ...
0
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1answer
24 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
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2answers
109 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
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0answers
25 views

Exception trying to run test node

I am trying to run a node for testing. I have been through the installation and downloaded the config files from iohk but I am getting an exception when the configs are parsed: AesonException "...
0
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0answers
12 views

Back Cardano Blockchain

I wanted to make a backup of the Cardano DB for a faster restoration in the future. Should I make a backup of all the folder DB or just the folder ledger ? and when I need to restore should I restore ...
6
votes
2answers
94 views

Setting up a stake pool relay node

I am in the initial steps of creating a stake pool and I've learnt that I need a block producer and a relay node. For the process of getting AWS instances, I would like to know: Do I need two relay ...
3
votes
1answer
70 views

Cardano Node: Connection reset by peer problem ---

My cardano node was running normal and all of sudden I get this error, ErrorPolicySuspendPeer (Just (ApplicationExceptionTrace (MuxError (MuxIOException Network.Socket.recvBuf: resource vanished (...
1
vote
1answer
82 views

How do i resolve this cabal error for cardano-node install?

I followed the Linux tutorial at https://developers.cardano.org/docs/get-started/installing-cardano-node and I am getting the following error when I run cabal build all Unrecognized stanza on line 139 ...
6
votes
2answers
569 views

Test node failure

I successfully setup a testnet node over the weekend, all was running fine - I was able to create wallets and perform transactions etc. However when I try to run the node today I am getting some ...
3
votes
1answer
241 views

Getting a "Yaml file not found" error when trying to run cardano-node

Following the instructions here on running cardano-node: https://developers.cardano.org/docs/get-started/running-cardano I'm running into an error on startup that looks like this: InvalidYaml (Just (...
4
votes
1answer
51 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? ...
6
votes
1answer
118 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
3answers
117 views

How can check what version of Cardano-node is running on testnet or mainnet?

I recently ran into sync errors after building/installing cardano-node. I am pretty sure that the problem was that I had built the wrong version, after re-building to exactly what the documentation ...
5
votes
1answer
88 views

systemd service file for cardano node

i'm trying to run a node as a service using systemctl start node-relay.service i get this error, can anyone advise what i'm doing wrong. /home/ec2-user/.local/bin/cardano-node: error while loading ...
4
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2answers
77 views

Cardano Development

I am a software developer. I wanted to learn Cardano development so for that where should I start and what technologies are required?
2
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1answer
111 views

Daedalus wallet recovery phrase to Cardano Wallet Backend mnemonic sentence + mnemonic second factor

Daedalus wallet recovery phrase is 24 words. Cardano Wallet Backend mnemonic sentence is 15 words and mnemonic second factor is 9 words, adding up to 24 words. I tried restoring a wallet through ...
4
votes
1answer
118 views

How can I check if my node is fully synced?

How can I check if my node is fully synced without resorting to https://explorer.cardano-testnet.iohkdev.io/ ?
1
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0answers
189 views

Daedalus wallet 4.2.0 not syncing

I have a problem with wallet syncing. In fact, the wallet on my imac is not syncing at all. It's not connected to the network. I tried recommendations from a similar post, but nothing worked. I tried ...
5
votes
1answer
64 views

Error trying to compile cardano-node on Raspberry Pi

I tried to compile the cardano-node 1.27.0 for Raspberry PI4 following the instructions and everything gets well until I do the: cabal build all Then all compiles until I get this error: src/...
4
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1answer
65 views

Airgapping Concerns for Block Producer Secrets

I am trying to understand the extreme caution about creating secrets for the BP node. Is the concern about not knowing what one might lease in the cloud, or how security is in such a company, or their ...