Questions tagged [cardano-node]

The top-level component for a node.

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8
votes
1answer
499 views

Using cardano-node installed by Daedalus as CLI?

I want to do some transaction with custom metadata and was wondering if I have to install another instance of cardano-node or if it's possible to use the already installed version by Daedalus.
7
votes
1answer
248 views

Can Daedalus be used to query the blockchain, like a passive node?

Daedalus is a full node wallet application, but can I use the full node to query the ledger?
7
votes
1answer
115 views

Does Cardano Node support chained transactions?

Does Cardano node supports processing of chained transactions? E.g. we have an output [O1], and want to create a transaction [TX1] using [O1] as an input and creating new output [O2] and then, until [...
7
votes
1answer
198 views

Getting started developing cardano-node

I encountered a bug in cardano-node recently and since I know Haskell - I thought to myself, why not try and fix it? I've done the following: Build from source per https://github.com/input-output-hk/...
6
votes
1answer
386 views

What are relay nodes?

I just started out with Cardano and blockchain and I read in an article somewhere that said that each stake pool must run at least one block-producing node and one relay node. The block-producing node ...
6
votes
2answers
548 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 ...
6
votes
1answer
119 views

Where to find the code for Alonzo / Plutus / Smart contracts?

I am currently learning about Plutus and how to write smart contracts in it by following the Plutus Pioneers course on Youtube. However, I'm curious to know how things work from a node perspective: ...
6
votes
0answers
105 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 ...
5
votes
2answers
79 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 ...
5
votes
1answer
84 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 ...
5
votes
1answer
63 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/...
5
votes
2answers
120 views

adaPerUTxOWord not found on testnet-shelley-genesis.json

Run cardano-node 1.27.0 testnet error, adaPerUTxOWord not found on testnet-shelley-genesis.json cardano-node run --database-path ~/cnode-testnet/db --socket-path ~/cnode-testnet/sockets/node.socket --...
5
votes
1answer
106 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'...
4
votes
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?
4
votes
2answers
211 views

How can i generate new wallet address using cardano-wallet cli and cardano wallet api after created my wallet?

yoroi and daedalus provide UI to generate new wallet address, how can i use cardano-wallet cli and cardano rest api to generate new address?
4
votes
2answers
46 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 ...
4
votes
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: ...
4
votes
1answer
64 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 ...
4
votes
2answers
92 views

How can you check if a local node is running properly?

I am running a Cardano node using docker, on the testnet, and now I need to check if it works properly and accepts cardano-cli arguments like querying and what not. Is there a convenient way to do it?
4
votes
1answer
54 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 ...
4
votes
1answer
106 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/ ?
4
votes
1answer
65 views

cardano-cli: QueryEncoderUnsupportedQuery Query GetSystemStart TopLevelQueryDisabled

cardano-cli --version cardano-cli 1.27.0 - linux-x86_64 - ghc-8.10 git rev d870347b48c8ba0a81566876153eff23fce3ec64 cardano-cli query tip --mainnet cardano-cli: QueryEncoderUnsupportedQuery Query ...
4
votes
1answer
68 views

How to convert xvk to svk?

I use cardano-address cli export extended private key, but i want to use it with cardano-cli command, how to convert it?
4
votes
1answer
41 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 ...
4
votes
1answer
47 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? ...
4
votes
1answer
74 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 ...
3
votes
1answer
24 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/...
3
votes
1answer
236 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 (...
3
votes
1answer
111 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 ...
3
votes
1answer
27 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 ...
3
votes
3answers
115 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 ...
3
votes
1answer
63 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 (...
3
votes
1answer
46 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
98 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
20 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): ...
3
votes
1answer
63 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 ...
3
votes
1answer
85 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 ...
2
votes
1answer
64 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?
2
votes
1answer
53 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 { &...
2
votes
2answers
113 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
votes
1answer
30 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 ...
2
votes
3answers
74 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 ...
2
votes
1answer
68 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: ...
2
votes
2answers
63 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 \ --...
2
votes
1answer
95 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 ...
1
vote
1answer
35 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 ...
1
vote
0answers
8 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 system: ubuntu 20.4 tip: { "...
1
vote
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 ...
1
vote
1answer
75 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 ...
1
vote
0answers
188 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 ...