Questions tagged [cardano-node]

The top-level component for a node.

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19 views

Api for historical USD rates?

I want to fetch the historical USD rates from a timestamp, is there any api available for that could be used in javascript?
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0 votes
1 answer
11 views

Does nmkr.io provide public api?

Does nmkr.io provide free usable cardano apis for NFTS or do we have to mint the nfts and build a project on their platform something like that ...and then we can use their api because in their apis ...
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3 answers
31 views

Given tx hash, get block # and info about block the transaction is in

Is there any API for this out already? I'm looking for an API that: Given a tx hash, can get the block # and info about the block which the transaction was in get current block # and info about ...
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0 answers
20 views

Is there a way to get cardano-node version in Prometheus metrics?

Like the title says, does anyone here know of the proper way to go about adding cardano-node version to the cardano_node_metrics being exported by Prometheus to Grafana? I would like to add this ...
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0 votes
3 answers
45 views

Cardano-Node having errors at 84% sync

cardano-node 1.35.5 linux-x86_64 ghc-8.10 git rev 8762a10efe3f9f97939e3cb05edaf04250456702 Trying to connect to testnet I downloaded the binary and configured it per instructions at lovelace academy. ...
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1 vote
1 answer
50 views

Error when compiling cardano-node 1.35.5

I am getting the following error when trying to compile the new version of the cardano-node: Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] trying: cardano-api-1.35.5 (...
0 votes
1 answer
15 views

Disable color in cardano-node logs

I am wondering, if it is possible to disable the colorization of the cardano-node logs. Is it possible to disable the colors in the stdoutput of cardano-node?
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0 answers
42 views

cardano preprod wallet balance is still zero after full node sync

I'm following the instructions laid out in this article. https://developers.cardano.org/docs/get-started/cardano-wallet-js I first ran cardano node and wallet using docker-compose on preprod network. ...
0 votes
1 answer
37 views

cardano-node meaning of inbound outbound connection

I'm trying to find out the difference between connection types on the P2P network. I'm aware of the difference between inbound and outbound TCP connections from a firewalling perspective, but I sense ...
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0 answers
7 views

How to Resolve this Chain Index Error

I am facing this error when i run the Chain Index. [chain-index:Error:26] [2023-01-17 20:33:11.77 UTC] {"contents":{"contents":{"contents":{"tag":"Tip"...
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0 answers
31 views

blockContainsTransactionsByNumber Query returns something like "Cannot return null for non-nullable field Token.asset"

I are facing a serious problem. When I run the following Query on my node, it sometimes returns something like "Cannot return null for non-nullable field Token.asset". However, when I run ...
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0 votes
4 answers
86 views

How can I Stake NFTs In Cardano?

I am new to Cardano, I want some guidance from you guyz about this. Can someone please guide me that how can we stake NFTs in non custodial way in Cardano. I want to stake NFTs like the official ...
0 votes
1 answer
26 views

Not Able to watch my Cardano faucets when i query the node

I am using following command to query node. ./cardano-cli query utxo --address $(cat payment.addr) --testnet-magic 1097911063 Getting the Faucets in preview testnet by the following site https://...
0 votes
2 answers
130 views

Error - Building Cardano Node 1.35.4 in Ubuntu Linux 22.04

When building cardano-node-1.35.4 using git checkout tags/1.35.4 cabal update cabal build all I get the following error cabal: Failed to build tx-generator-2.2 (which is required by test:tx-...
1 vote
1 answer
29 views

Column does not exist when querying Rosetta endpoint

I'm currently running cardano-node version 1.35.0 and rosetta-server 1.8.2. The node is synced and I have blocks in postgres, however each query to rosetta throws an error: curl -vvv -X POST 'http://&...
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1 vote
1 answer
31 views

How often do we see chain reorgs in Cardano?

Is there a specific metric we can follow on-chain, or how we can observe or infere a chain reorg has happened?
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3 votes
1 answer
31 views

Track incoming payment of an address using cardano-db-sync

I have a cardano-node with cardano-db-sync installed. In this node, I also have a separate database named CDT, and a web UI to connect to this CDT database. I defined an address named addr1xxxxxx ...
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0 votes
1 answer
25 views

building cardano-node and cardano-cli on nix

I'm following the instructions here: https://github.com/input-output-hk/cardano-node/blob/master/doc/getting-started/building-the-node-using-nix.md/ But I'm not sure how to get it to compile the 1.35....
0 votes
2 answers
21 views

Get back my funds after a mistaken self transaction on Cardano

I accidentally made a self-transaction with my account and would like to know if I can get it back. As you can see my account here, and this is my self-transaction sent 2 weeks ago. I'm using cardano-...
0 votes
1 answer
21 views

Public cardano-wallet service list

While I am checking cardano-wallet-js, I noticed requirement. Before start using the library you will need a cardano-wallet server running. Is there any public cardano-wallet server which I can use ...
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1 answer
31 views

Cardano Node 1.35.4 problems

I am running cardano node 1.35.4 on Windows 10 it syncs to 100% then gives me the following screen
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1 answer
34 views

What are the values in a Transaction Datum?

Below is a link for the "inspect" window on Cardanoscan. What are the values in the json? (Example: 2486ff67c9772a45ed705adc7266c62ce8e2ad2e61c2656606ba966f) https://cardanoscan.io/...
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0 answers
18 views

How to properly interpret Bytestrings (TxMetadata)

In the TxMetadata caradano wallet spec there is this: { "bytes": HEX-STRING } The value must be base16-encoded (a hex string). So, given this from a transaction: "fields": [ { &...
0 votes
1 answer
43 views

tx_metadata: How to interpret a CBOR string

In the document: https://github.com/input-output-hk/cardano-node/blob/master/doc/reference/tx-metadata.md We are told: "JSON strings are represented as CBOR strings" How can I interpret ...
1 vote
1 answer
15 views

When is valid_contract column in tx table true and a contract?

In the schema descriptions for cardano-db-sync, the valid_contract column description is as follows (link below): "False if the contract is invalid. True if the contract is valid or there is no ...
0 votes
1 answer
41 views

Error when unpacking snapshot to bootstrap Cardano node by using Mithril

I'm trying to bootstrap a Cardano node on preview network by using Mithril follow this instruction: https://mithril.network/doc/manual/getting-started/bootstrap-cardano-node/ In step "Restore ...
1 vote
3 answers
51 views

Running db-sync on a separate machine from node on same LAN

I currently have cardano-node and db-sync running on the same machine. The machine has a max RAM capacity of 32 GB and this is barely enough. Instead of buying a new machine that supports 64 GB RAM, I ...
0 votes
1 answer
18 views

Transaction error from staking account on cardano

I'm trying to get back my funds from my stake.addr from Cardano but I have this error message: Command failed: transaction submit Error: Error while submitting tx: ShelleyTxValidationError ...
3 votes
1 answer
47 views

How To Verify The Code Of A SmartContract?

There's a lot of talk about open-source code on Cardano, but how can I verify that the SmartContract(s) in a git repo are the actual SmartContracts the project has deployed to the Blockchain? I want ...
0 votes
1 answer
106 views

Cardano node sync suddenly stopped at 97.79 %

My cardano node was 100% synced and it is running in production environment. But suddenly I am seeing that my cardano node block get backed and sync percent is 97.78%. Error log: [ip-30-0-:cardano....
0 votes
1 answer
52 views

cardano-node preprod testnet sync stuck in nix develop, possible headerError

Supposed to run testnet node in nix develop. which cardano-node outputs /nix/store/y29rzxcr6vswgc5nhmind0cjbkqxi414-cardano-node-exe-cardano-node-1.35.3/bin/cardano-node seems to be a HeaderError with ...
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0 votes
1 answer
35 views

Can't register my stake pool on Cardano (StakeDelegationImpossibleDELEG)

I'm following the official process here on the Cardano tutorial. Firstly, I have to show you I already have the fund here: // cardano-cli query utxo --address $(cat payment.addr) --mainnet ...
0 votes
1 answer
27 views

Is there full list of Ouroboros mini-protocols that the node supports (preferably official and kept up to date)?

A paper from 2019 I found that describes mini-protocols: https://hydra.iohk.io/build/1070091/download/1/network.pdf. Have more protocols been added?
1 vote
1 answer
13 views

What is the use of BFT node in cardano blockchain?

I searched in Cardano docs but couldn't find much related to the BFT node and how it works. And how it is used in consensus. Why is it needed? Any insights would be great. Thanks.
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0 votes
3 answers
38 views

db-sync "Killed" sometimes. Why?

I have cardano-node and db-sync running just fine, latest versions. Every now and then though, db-sync stops and message in console says "Killed". This was not the case before the Vasil HF. ...
0 votes
1 answer
53 views

Can't submit transaction on Ada on Babbage era. BabbageOutputTooSmallUTxO error

I'm following the official documentation to send a transaction but I'm still getting the same issue even after to double checked my protocol.json. Based on the protocol, it's supposed to be "...
1 vote
1 answer
77 views

Cardano-Node Preprod Testnet PeerStatusChangeFailure on Mac

I am trying to run Cardano-node with preprod testnet configuration files from : curl -O -J https://book.world.dev.cardano.org/environments/preprod/config.json curl -O -J https://book.world.dev.cardano....
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1 vote
1 answer
67 views

Network.Socket.connect: <socket: 11>: permission denied error accessing node.socket over shared volume mount in docker

I am putting together an application in docker (compose) that has 2 services: Cardano Node Web Application Both services/containers shares the node-ipc via volume mount, when I try query tip via the ...
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0 votes
1 answer
38 views

Ogmios Node Stopped Working

I did follow cardano-graphql guide and I was running my node smoothly for 2 months today It gave me this error and couldn't understand what is wrong with it. I restarted the container but didn't solve ...
  • 153
0 votes
1 answer
265 views

Unable to run cardano-node on Preview and Pre-Production Testnet

System Info: macOS Monterey Version 12.6. with an M1 Chip. I'm using cardano-node 1.35.3 that is installed with the Daedalus Mainnet wallet by appending the following in my .zshrc file: export PATH=&...
1 vote
2 answers
32 views

Importing wallets to cardano-node

when I'm upgrading cardano-node and cardano-wallet, I saved the wallets (.sqlite, sqlite-shm, sqlite,wal files) created in the node (cardano-node/data folder). After upgrading to the new node 1.35.3 I ...
  • 153
0 votes
4 answers
122 views

Cardano-Node Preview Testnet PeerSelection Error

I am running cardano-node 1.35.3 on Ubuntu 22.04 Docker container. I am attempting to run the node on the preview testnet. Below is the following error I get when running cardano-node. Here is the ...
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0 votes
1 answer
52 views

Downtime when upgrading or restarting a node

I run not only Cardano nodes but also Ethereum and other nodes. I think the downtime is longer when upgrading or restarting a Cardano node compared to other nodes. Downtime here is the time between ...
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1 vote
2 answers
76 views

Cardano-wallet doesn't work after 1.35.3 update

After Vasil hard fork I did update the node with version 1.35.3 and also updated cardano-wallet to version v2022-08-16 which is suitable with 1.35.3 Although the node is running without any problem ...
  • 153
0 votes
1 answer
124 views

Failed cardano-node build on mac m1

I've followed the installing-cardano-node#macos guide on the developer portal and about 10 things fail to build and all of them are giving me the same error. Cannot specify -O# and --passes=/--foo-...
1 vote
3 answers
97 views

1.35.3 not syncing since epoch 365

I moved our stake pool LOXE to 1.35.3 (git rev 80b5637a5520648d50b0763d7677ddbe374cd598) on August 20th and it was producing blocks regularly. I noticed yesterday that our block producer was up as a ...
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0 votes
1 answer
125 views

Running preview/preprod Cardano-node on windows

Im trying to run preprod node . steps i followed : 1- downloaded these files : https://book.world.dev.cardano.org/environments/preprod/ 2- run this : cardano-node.exe run --topology ./configuration/...
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0 answers
5 views

plutus PAB db migrate issue

I have been using this reference [https://github.com/input-output-hk/plutus-apps/tree/main/plutus-pab/test-node] to deploy smart contract using PAB but while run db migrate command faced below error ...
0 votes
2 answers
69 views

ScriptWitnessNotValidatingUTXOW while trying to mint NFT in preprod testnet

minting script "type": "all", "scripts": [ { "type": "after", "slot": 155761 }, ...
1 vote
2 answers
82 views

Devnet for Cardano

Is there a Devnet(single node) available for Cardano?. With other blockchains you can get instruction abt configuring Devnet, Testnet and Mainnet. With Cardano I read only about Testnet and Mainnet. ...
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