Questions tagged [cardano-node]

The top-level component for a node.

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systemd auto run stake poll issue (code=exited, status=127)

I have been trying to run the Cardano node by systemd for about 3 days but not getting any luck I can run startBlockProducingNode.sh manually without error, Cardano node run successfully The systemd ...
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Building a transaction on cardano-cli/api without running node?

Is there a way to build and sign transactions with the cardano-cli/api without running a node? I am trying to construct a transaction using the cli or api and submit it using blockfrost. It throws an ...
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How can I Convert BlockFrost API Code to Dandelion API?

I have somehow managed to get a lot of code for BlockFrost API, however, I want to build some free applications for people to monitor blockchain data from a website dashboard. To take advantage of the ...
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Is the Transaction Hash from block frost the same as the transaction id?

When making an API (HTTP) Get request to the blockfrost API service, you can specify an address and get the transactions at the address (https://docs.blockfrost.io/#tag/Cardano-Addresses/paths/~...
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Cardano Node Causing Browser Errors

I am not a developer, just a hobbyist. I installed the Cardano Node (1.33.0-win64) so that I could point my Nami Wallet Browser Extension to it, rather than the web server node Nami points to by ...
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Query assets with cardano-cli

So as the title says, I really need some help to query all the assets from a wallet address with the help of the cardano-cli. So far I've got the cardano-node running with docker.
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Where to locate the path to node.socket in order to set CARDANO_NODE_SOCKET_PATH env variable?

I would like to check the sync progress of the cardano node from within a cardano-node-ogmios docker container that I installed. When I open the docker CLI and I run the command cardano-cli query tip -...
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symbol lookup error: cardano-node: undefined symbol: crypto_vrf_publickeybytes

I am trying to run a cardano node in my local and the command which i am running goes like this. cardano-node run \ --topology mainnet-topology.json \ --database-path db \ --socket-path db/...
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start-cluster - Command failed: genesis create - */genesis.alonzo.spec.json: openBinaryFile: does not exist (No such file or directory)

After cloning latest cardano-node and running nix-shell successfully I get an error running start-cluster and different error if I run with sudo: Do I need to download the latest genesis jason file? ...
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How to read data from a Cardano node directly?

I know there are some tools out there that help reading historical data from the Cardano blockchain, such as IOHK's cardano-db-sync and blockfrost.io, but I would like to read directly from the a ...
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How do I log all individual network messages in the cardano-node within a file?

I am trying to collect as much information as possible from a running Cardano node. Is there a way we can log the messages/packets exchanged between nodes in the Cardano P2P network? Thank you.
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Any way to speed up cardano-node startup?

cardano-node is now taking around 50 minutes to start on my hardware, I dont do it often but its quite slow. I think the issue is the process where it replays all the block chunks. That seems to be ...
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chain-index does not connect

I'm trying to run the cardano node, the cardano wallet and the chain index in three different docker images, but the chain index does not connect. The docker-compose file is below and the chain-index ...
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Cardano - cardano-cli query utxo - get all utxo of an address

As the title, I've been wondering if cardano-cli has an ability to get all utxo based on given address. I already tried cardano-cli query utxo --address $(cat /path/to/addr) --testnet-magic 1097911063 ...
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How to get cardano-node to work with public systemd sockets?

I get no errors but no traffic and am at a loss. A couple of things: I load a new service from file cardano-node.xml: firewall-cmd --permanent --new-service-from-file=/usr/lib64/firewalld/services/...
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How to run testnet node and mainnet node on background at the same time?

After searching for a while, didn’t find any post regarding this. I know running node for testnet and mainnet use different configuring files, and on the cardano developer portal, they are showing the ...
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One node surprisingly running out of disk space

I had two cardano-node instances running via kvm on one physical machine. Both nodes were running on mainnet for a while before I switched them over to testnet (to prepare for turning these into a ...
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Listening for rollbacks

How can you listen for all chain rollbacks? For example every time there is a rollback, based on the depth, I'd like to take some action on my app's backend. Is there any API that could enable this?
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Why do we need the ```plutus-chain-index``` to run and why does it take so long to sync

I'm trying to set up a PAB in order to test my contracts Currently I have: fully synced a cardano-node running on testnet fully synced cardano-wallet tracking one wallet a plutus-chain-index syncing ...
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The pool of validators. Who owns it?

Good day , I am relatively new to Cardano ecosystem and want to understand how it works specifically with Ouroboros protocol. Watching the video in IOHK channel I got some insides but still have many ...
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Relay Node on Cardano

Hello I have recently set up a relay node. Is there a helpful guide/video i can access to create a wallet and send transactions on the relay node? Thanks in Advance? Thank you for your answers. I ...
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Maximum allowable length of a chain fork [closed]

Where can you check the maximum allowable length of a chain fork for the current era? And past/future eras?
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1 answer
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How do I make a Sidechain

I want to make a side chain on Cardano to so something that the protocol says should be done on a sidechain, but how do I make one? Can I use Plutus or am I limited to the CLI?
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Cardano Serialization Lib Usage

I am going through Cardano developer docs and the different APIs used to interact with the Cardano network. In the list is Cardano Serialization Lib which has the description, This is a library for ...
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Is it possible to specify a Windows named pipe for Daedalus?

I'm on a Windows machine and would like to use cardano-cli to interact with the Cardano network. I have Daedalus running which is running an instance of cardano-node. In order for the CLI to find the ...
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How many validator nodes on cardano [closed]

How many validator nodes are there that verify 1 transaction block on cardano?
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Deploying a Contract Problem

I know this is probably the fifth post about deploying smart contracts, but I seem to not succeed doing it. Here is what I tried: Installed Cardano Tesnet Alozo with Docker Synced Testnet with docker ...
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How convert TxOut CtxUtxo era to Plutus Map TxOutRef TxOut

At least can someone give a hint how to convert TxOut CtxUtxo era to TxOut Ctx era. I found that it's possible to convert to Ledger.UTxO and then ...
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How to see the local node's mempool?

I'm building a few applications and am running into scaling issues. Occasionally a lot of transactions need to be submitted, sometimes even chained, but generally it's simply splitting an incoming ...
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Disable GitHub Actions when forking cardano-node

Would you please give me a hint of where to look or modify? I don't even know if they have a charge associated. If you were to fork https://github.com/input-output-hk/cardano-node.git, the GitHub ...
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How to install cardano-node and cardano-cli on Mac M1

I tried to install cardano-cli and cardano-node using this documentation and stuck on below step mkdir -p $HOME/.local/bin cp -p "$(./scripts/bin-path.sh cardano-node)" $HOME/.local/bin/ cp -...
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How to apply show to TxOutAnyEra datatype from cardano-cli sources?

Example: testTxOut :: IO () testTxOut = do let testInput = "addr_test1vqwvs32x3wg5ea2l5tr7t93hpta8arwxllr4ey96dhl5d7sytaf9n + 1000000 lovelace" case (OutBuilder.getTxOutFrom ...
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how to import cardano-cli project into dependecies under cabal?

I've got the following nix-shell: let src = builtins.fetchGit { url = "git@github.com:input-output-hk/plutus-apps.git"; # url = "https://github.com/input-output-hk/plutus-...
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Uninstalling Nix after Node, Db-sync & Postgres Installation

I have installed via Nix a cardano node, DB-sync and Postgres on a single server. My plan is to pass my Postgres data into an Apache Kafka cluster. My node is synced to tip and DB-sync is on epoch ...
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2 votes
2 answers
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Disk Space of Cardano node & Cardano DB-sync

I recently installed the Cardano node and Db-sync and Postgres using nix. I use a server with 97 GB of space, node version 1.34.1 and DB-sync version 12.0. The node took about 70 GB after fully synced ...
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Why does building cardano-node require unreasonable amounts of disk space?

What is the reason behind the build process with nix requiring so much disk space when building cardano-node? I totally understand when video games with 4K videos, high resolution textures, large ...
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in plutus-pioneer-program iteration 3 not able to use --required-signer-hash in grab.sh so causing beneficiary's signature missing error (if remove)

Invalid option `--required-signer-hash' Usage: cardano-cli transaction build [ --byron-era | --shelley-era | --allegra-era | --mary-era | --alonzo-era ] [ --shelley-mode | --byron-mode [--epoch-slots ...
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1 vote
1 answer
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Missing datums in db-sync

From time to time I encounter transactions which contain UTXOs associated to script addresses with datum hashes for which no corresponding entries are available in the datum table of a fully-synched ...
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1 answer
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What is the Address Gap Limit in Daedalus?

I saw another question posted about the gap limit, but I can't figure out what it is. Can you explain it, please?
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Is it possible to configure transaction with Plutus, serialize it and use under cardano directly?

I have got developed contracts, on-chain & off-chain parts, on-chain serializations etc. I would like to implement the backend/client to be able run contract on real networks(testnet or mainnet). ...
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2 answers
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Error querying protocol parameters in local network created from scratch

I'm creating a local testnet for development purposes with the following steps: # create genesis files: mkdir /tmp/cardano cd /tmp/cardano cardano-cli genesis create --testnet-magic 777 --gen-...
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2 votes
3 answers
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How to Make a Successful CIP?

I am finding the current state of Plutus is not suitable for my purposes, as such I wish to make a CIP. How do I make the CIP? What should I do to optimise the CIP and maximise the chances of it being ...
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How to combine or spend the rest of utxos

I have several utxos in my cardano wallet address created via the cardano-cli that have 1-4 ADA each. Some utxos have an NFT associated with them. Is there a way to spend the rest of several utxos in ...
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Can Queries To the Chain be made From Plutus Smart Contracts?

Considering that Plutus Smart Contracts have two parts (on chain and off chain) is there a way to make Queries to the Cardano Chain in the onchain part of the contract considering that the SC is ...
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Failed to build Diff-0.4.0 (why?)

| 18 | import Data.Monoid (mappend) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ /usr/bin/ld.gold: error: cannot find -lgmp collect2: error: ld returned 1 exit status `gcc' failed in phase `Linker'. (Exit code: ...
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Unable to send funds from a Byron-era wallet created with Daedalus back in 2017

This is not a situation that happened to me personally, so I am sorry upfront if I can't provide all the necessary information, but I am trying to help recover money from a wallet that has been ...
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2 answers
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zsh: exec format error: cardano-node on MacOS BigSur

I'm getting this zsh: exec format error: cardano-node I ran file $(command -v cardano-node) This returned the following /usr/local/bin/cardano-node: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),...
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Run a node virtually that can be accessed from different machines

I am trying to run a cardano node, however I am not sure of the best way to go about it. My goal is to create a cardano wallet through python on my own machine. I want to run a cardano node on a VM, ...
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Looking for a detailed step by step mempool processing sequence

I was looking for some documentation / description of how the mempool filling / emptying works currently in cardano-node. The simplest example would be, say, a block producer node with four relays ...
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How long will it takes a cardano node to fully sync?

I have startted my cardano node with this command. cardano-node run \ --config $HOME/cardano/testnet-config.json \ --database-path $HOME/cardano/db/ \ --socket-path $HOME/cardano/db/node.socket \ --...
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