Questions tagged [cardano-node]

The top-level component for a node.

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8
votes
1answer
662 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
331 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
521 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 ...
7
votes
1answer
120 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
239 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
2answers
130 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 ...
6
votes
2answers
613 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
135 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
1answer
146 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
132 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 ...
5
votes
1answer
108 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 ...
5
votes
1answer
102 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
68 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
128 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
2answers
324 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
81 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
4answers
395 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 ...
4
votes
2answers
325 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
1answer
115 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
69 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
115 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
3answers
302 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
votes
1answer
153 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
67 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
71 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
2answers
59 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 ...
4
votes
1answer
44 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
57 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
3answers
174 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
99 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
314 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
132 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
48 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
2answers
282 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
3
votes
2answers
131 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
89 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
28 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
48 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
108 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
85 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
111 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
2answers
79 views

Cardano Node + DB Sync + Graph QL vs. Blockfrost API

I've been contemplating the value of essentially running all your own infrastructure by deploying Cardano node, along side DB Sync and exposing it through Cardano GraphQL. I like the idea of building ...
2
votes
1answer
116 views

How to lock funds in a smart contract?

What I want to do: Send 25 ADA and lock it all at the script address until 1 of the 2 scenarios happen: 100 ADA is sent by Nov 25th (today is Nov 20th) and all ADA at the script address is sent out ...
2
votes
1answer
70 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 ...
2
votes
2answers
48 views

cardano-serialization-lib-nodejs documentation

Just realised the power of the cardano-serialization-lib-nodejs as it has all the functionality of cardano-cli, wallet etc. Even has some plutus based functions. But as for any good things the bad ...
2
votes
1answer
152 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: {...
2
votes
1answer
154 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
101 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
1answer
38 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
2answers
133 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: ...