Questions tagged [cardano-node]
The top-level component for a node.
277
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How does the Mithril network sustain itself?
I’ve been reading about Parity Fether, an Ethereum wallet powered by a light client and noticed that it’s discontinued in 2022. I couldn’t find why it was abandoned but after doing a bit digging I ...
- 33
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1
answer
53
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When Mithril is used to bootstrap a cardano node, does it decrease its size?
I'm trying to understand the capabilities of Mithril. I noticed that you can bootstrap a cardano node using it as shown here: https://mithril.network/doc/manual/getting-started/bootstrap-cardano-node. ...
- 33
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14
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Cabal build all fail on M1
I want to add Cardano to Express project and followed the steps in documentation: https://developers.cardano.org/docs/get-started/installing-cardano-node/#macos. Unfortunately, “cabal build all” step ...
- 1
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1
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45
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NFT Minting with cip68 standard
I want to write the code for minting NFTs with CIP68 update. Like i need such NFTs whose metadata could be updated instead of minting the new NFT everytime. I searched about it and get to know that ...
- 19
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1
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32
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Failed to build cardano-crypto-wrapper
When I run "cabal build all" I get the error message "Failed to build cardano-crypto-wrapper-1.5.1.0". See below for log file. Any assistance would be appreciated. I was so close ...
- 1
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12
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How to get data based on Block-Height?
in EVM we can call any read-only function and pass it a block_height we would want the data to be returned on.
for example if I wanted a pool's liquidity at block height 999999, i would call that ...
- 11
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38
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Chain error when attempting to start cardano-node
I try to start cardano-node with the following command
./cardano-node run \
--topology testnet/topology.json \
--database-path testnet/db/ \
--socket-path testnet/db/node.socket \
--...
- 65
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18
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Is there a standart way to sync off-chain metadata (assets, tokens, mints) like cardano-db-sync does with on-chain data (epochs, blocks etc)?
I have running cardano-node-ogmios:v5.6.0_1.35.5 in couple with cardano-db-sync:13.1.0.0 (docker-compose.yml) and looking for the solution to sync off-chain assets localy. Is there any standart ...
- 11
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3
answers
67
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Unlock NFT from smart contract by Cardano-serialization-library
I am trying to implement the Unlocking of NFT from an "always true" smart contract. I am using the Cardano serialization library for this. I can lock the NFT successfully, but when i unlock ...
- 19
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1
answer
18
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Query and extract NFT metadata from a cardano-node instance (without db-sync)
Is there a way to query NFTs and extract NFT metadata from a cardano-node instance without using db-sync?
- 177
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105
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InvalidCertificate error running the cardano-node (v 1.35.7) static binary
I'm trying to run the cardano-node static binary with the following command:
cardano-node run \
--topology environments/topology.json \
--database-path db \
--socket-path ipc/node.socket \
--...
- 177
0
votes
2
answers
62
views
Official IOG Cardano Node Course Documentation Error - Node Won't Start
I am following along with the new Official IOG Cardano Node Course:
https://cardano-course.gitbook.io/cardano-course/
I am stuck at Video 3 at 6 minutes and 8 seconds in.
https://youtu.be/YlUljmlCPYs?...
- 215
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28
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nodes stopping because of Bus error: 10
All I can find online is that Bus error: 10 means it's trying to reach a memory space that isn't there. The testnet/preprod/mainnet nodes start up fine but stop shortly after with either Bus erro:10 ...
- 121
1
vote
1
answer
35
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Node never begins to sync, hangs at certain point
Haven't started my node for 6 months (testnet) so I cleared the container to start another sync from scratch, keep getting this weird error & the node won't start adding new chain tips
cardano-...
- 102
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votes
2
answers
59
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Successfully built cardano-node 1.35.7 but still getting version cardano-node and cardano-cli 1.35.3
I followed the iohk instructions to update my cardano-node to version 1.35.7. It built the node with no errors. However when I run cardano-node --version, cardano-cli --version, I get 1.35.3.
I've ...
- 31
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1
answer
29
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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?
- 51
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2
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25
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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 ...
- 51
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3
answers
58
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 ...
- 181
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24
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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 ...
- 111
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3
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51
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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. ...
- 1
1
vote
1
answer
66
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 (...
- 1,035
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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?
- 103
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53
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
46
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 ...
- 317
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0
answers
8
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"...
- 19
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0
answers
33
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 ...
- 5
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votes
4
answers
105
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 ...
- 19
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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://...
- 19
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votes
2
answers
143
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
1
vote
1
answer
31
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://&...
- 111
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40
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?
- 11
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1
answer
34
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 ...
- 121
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30
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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....
- 23
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2
answers
22
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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
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1
answer
26
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 ...
- 41
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1
answer
34
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
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42
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/...
- 310
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20
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": [
{
&...
- 310
1
vote
1
answer
58
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 ...
- 310
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vote
1
answer
18
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 ...
- 310
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1
answer
46
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
57
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 ...
- 310
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1
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20
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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
52
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 ...
- 942
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120
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
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1
answer
59
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 ...
- 433
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answer
42
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
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1
answer
34
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
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1
answer
17
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.
- 71
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3
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39
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.
...
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