Questions tagged [testnet]

An obsolete Cardano test network. Please use Preview or Preprod instead. Used to validate and test new features prior to implementation on the production network (mainnet)

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Does anyone else have trouble syncing to the PAB end to end testnet?

Plutus PAB Testnode git checkout v2021-11-05 Following the instructions on the readme file leads me to a testnet node that is stuck due to a corrupt block error. [relay2:cardano.node.ChainDB:Error:34] ...
1 vote
1 answer
122 views

Error while syncing with Testnet, Invalid block

I have tried node version 1.30.01, 1.29. 1.29rc-2 .1.33 - latest They all encounter this invalid block here. I'm using config file for the testnet here https://hydra.iohk.io/build/7654130/download/1/...
6 votes
1 answer
381 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 ...
0 votes
1 answer
147 views

Use of multi-signature and multi-witness transaction creation

I'm working on a pseudo-centralized product that manages users wallets, protected by multi-signature verification. I want to know if it is possible for me to batch about 50-100 transactions from ...
2 votes
1 answer
930 views

get tAda for cardano legacy testnet

How can I get testnet ada for cardano testnet, Now that cardano faucet only has option to get tAda for preprod or preview testnet. I'm trying to mint NFT using this website. https://stage.cardahub.io/...
0 votes
1 answer
87 views

LedgerFailure - Trying to sync to testnet

I am getting an error when trying to sync to testnet with 1.29.0 and using the genesis files from https://hydra.iohk.io/job/Cardano/cardano-node/cardano-deployment/latest-finished/download/1/index....
1 vote
1 answer
155 views

Best practice when building a private Cardano testnet?

I am using scripts provided by IOHK to help build a private testnet. I have been told (during discussions in the white/blue/purple testnet development) that best practice is to start the network in ...
0 votes
1 answer
50 views

Payment2.addr: no such file or directory

I know I'm missing something super obvious but I'm on this part and I don't see where payment2.addr gets created so of course it says it doesn't exist. I'm trying to submit the transaction on the ...
0 votes
1 answer
48 views

Creating a Testnet node ( stake pool ) on Ras Pi

I did watch this series on YT for Ras Pi - https://www.youtube.com/watch?v=GBdpE1ta1EU&list=PLBhbLwOuj0DfTnneuG3vyoDHY7Dv_aiyq&index=10 But I have a doubt about the updated method. Is Cabal ...
1 vote
2 answers
46 views

Is the KEVM Testnet Faucet working as described in this Document?

I see there has been plenty of Activity around KEVM but after 25hrs of trying I ONLY et an Error when I requestFunds(). I'd like to see this working so I could test my Solidity DApp. I am migrating ...
5 votes
1 answer
483 views

What tools do I have for building a Cardano Dapp right now?

I am building a Dapp in Cardano and I want it to build NFTs even if it's not possible right now, what tools can I use for it? I know that there is a testnet where I can run Plutus contract. How can I ...
0 votes
1 answer
100 views

Trying to submit a minting transaction using pycardano and blockfrost

Hello Cardano developers, I really hope you can help me :) I'm developing a Dapp and I need to mint a NFT. This works through a website, so a user clicks in a button to mint a NFT. Simple, right? I ...
1 vote
1 answer
121 views

Can Nami connect to custom testnet?

I made custom testnet with magic 42. Cardano-cli work absolutly correct but Nami always connect to testnet with magic 1097911063 (main testnet). So my question: can Nami connect to my testnet? P.S. ...
1 vote
2 answers
97 views

Return tAda using Cardano-CLI

I want to return test ADA to the test faucet. Is there an easy way to return the tAda? I'm using this documentation to create and submit a transaction to testnet: How to create a metadata transaction ...
2 votes
2 answers
81 views

How to run a simple Fib function offline?

On Ethereum, I'm able to run and test a Fibonacci function by writing a Solidity smart-contract with a fib method, compiling to the EVM, deploying and running offline by using any EVM implementation, ...
0 votes
1 answer
102 views

Is hydra.iohk.io just down or has there been a change in .json configs’ provisioning?

Where does one get the basic .*-config.json, .*-topology.json and .*-genesis.json files for package building nowadays? The URLs that always worked for me seem down, e.g.: https://hydra.iohk.io/job/...
11 votes
2 answers
2k views

What is the testnet-magic argument and why is it 1097911063?

I am currently running a testnet-node version 1.29.0. To query the blockain, I use the command cardano-cli query tip --testnet-magic 1097911063 to get the last block. What is the testnet-magic ...
1 vote
3 answers
46 views

Daedalus for testnets and why not use Mainnet as test environment

Last year I set up a Cardano testnet as part of the Plutus Pioneers program. I'm now using my Daedalus installation to experiment with the cardano-cli, which I am finding much easier, with the added ...
1 vote
1 answer
112 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....
0 votes
2 answers
81 views

Preview testnet transactions

I want to access an address that is on preview testnet and create transactions to spend all tADA. How can I do something like this?
0 votes
4 answers
163 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 ...
0 votes
1 answer
416 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=&...
6 votes
1 answer
163 views

How do you publish on-chain code to mainnet and testnet?

I've understand that the on-chain code is stored in the blockchain through Playground module which is in sync against a local node. But how to "publish" this code to run anywhere? It's an ...
1 vote
2 answers
383 views

Using testnet with Nami

I want to test a dapp on the Prepod testnet with the Nami wallet. I tried to receive tAda with the faucet but nothing is showing up on the wallet interface. This is the wallet ...
3 votes
1 answer
944 views

What are the protocol magic values for the preview and preprod test networks?

The cardano testnet has a protocol/testnet magic value of 1097911063. Where do I find this value for the preprod and preview test networks?
1 vote
2 answers
443 views

Transaction submit error

Is there anything wrong with cardano-cli transaction build-raw \ --tx-in 2b67b1d3cbab8004f469a2a2f260738704810744350119d75079d7b6f4b1842a#0 \ --tx-out $(cat payment2.addr)+100000000 \ --tx-...
0 votes
1 answer
224 views

Configuring Nix Cardano Node for pre-production / preview

The build instructions using nix for the cardano node are well documented, however they currently lack an option to build pre-production and preview testnet. Does anyone know which config I could ...
0 votes
1 answer
192 views

How to switch from Legacy Testnet into Preview / Pre Production Testnet?

I have previously installed node 1.33.0, and now I've upgraded my node to 1.35.0. I already have a 'db' folder when I'm using 1.33.0. If I want to switch to Preview / Pre Production configuration and ...
2 votes
1 answer
223 views

Deploy a local testnet

To test plutus scripts and transactions, I want to have a lightweight environment which I can use when I have no internet. So, how can I deploy a local testnet in the Babbage era for testing?
3 votes
1 answer
170 views

Preview and Pre-Production Testnet Configs

I'm trying to setup Oura with preview and pre-production testnets. Does anyone know what values to use in the config? Here's the data that I've guessed so far based on the cardano-node config files. ...
0 votes
3 answers
73 views

What happen with the tAda not returned to the testnet faucet?

After using tAda on the testnet, what happen with unused remnant if for any reason it is not returned to the testnet faucet ? what are the technical implications of not return it to the faucet?
3 votes
1 answer
105 views

Best practice for testing smart contract

Let's say you have your haskell code ready to test as a smart contract on the testnet, what is the best practice to go about testing if your smart contract works as intended? Does the same process ...
0 votes
1 answer
42 views

Why does my testnet wallet "disappear"?

I have an instance of Cardano Wallet running and pointing at testnet. I create/restore a wallet like this: curl -v -H "Content-Type: application/json" -d '{"name":"My Wallet&...
0 votes
2 answers
94 views

No tAda after requesting from faucet

I'm following the docs and ran: cardano-cli query utxo \ --address $(cat payment.addr) \ --testnet-magic 1097911063 and it shows my address but no tAda several minutes after requesting from ...
7 votes
2 answers
528 views

How to convert posixTime to slot number on Cardano Testnet

I'd like to obtain the slot number corresponding to a posixtime on Cardano Testnet. For example, this might be useful if you need to set a slot number in cardano-cli, say building a transaction: ...
0 votes
1 answer
185 views

Difference when building Testnet and Mainnet addresses

I am creating an address generator for cardano. I am struggling to figure out what the differences would be when building an address for testnet instead of mainnet. What components of the address are ...
1 vote
2 answers
141 views

Create address from public/private keypair without external tools/apis

I am starting development with Cardano. I have created a Hierarchal Deterministic Wallet with both Bitcoin and Ethereum, so I am familiar with much of the terminology. I am trying to create a Cardano ...
2 votes
2 answers
96 views

How do I set txInfoValidRange on the testnet using cardano-cli

How does txInfoValidRange get set on the testnet? I've been made aware that on the Plutus Playground a piece of off-chain code: "Constraints.mustValidateIn (from now)" will set ...
3 votes
2 answers
161 views

Empty txInfoSignatories after building transaction with cardano-cli

In the Plutus Pionner Lectures, Lars instructed us to use txSignedBy in order to ensure that a user signed the transaction. The function tries to find a public key hash in the txInfoSignatories list, ...
0 votes
1 answer
199 views

How to mint a token on testnet?

Now I am experimenting to mint a token on cardano testnet I have installed the followings like deadalus wallet for testnet and cli tools as well.Then I recived ada from the testnet to the testnet ...
2 votes
1 answer
280 views

When was the slot duration set to 1 sec on Cardano Testnet?

I'd like to know the exact date when the slot duration was set to 1 sec on Cardano Testnet. Thanks in advance!
7 votes
5 answers
3k views

How to convert a cardano address into a public key hash?

After spending some time learning Plutus with emulators, I decided to start learning how to actually deploy and use the scripts in the testnet. In this process, I installed cardano-cli and created ...
1 vote
1 answer
440 views

PPViewHashesDontMatch and UnspendableUTxONoDatumHash error on redeeming funds from week03 example

I am trying to redeem the funds from the smart contract into the second wallet without running cardano-node (following the instructions from here: https://www.youtube.com/watch?v=ABtffZPoUqU&list=...
3 votes
1 answer
226 views

How many slots did Byron era (testnet) have?

I was wondering the number of slots the Byron era (testnet) had or the slot number when Byron finished. The only info I've been able to find is systemStart": "2019-07-24T20:20:16Z" ...
0 votes
1 answer
30 views

how does the magic number work for different era's?

I'm a but confused with the magic number in the testnet: when we execute a transaction with the cli cardano-cli run transaction , we run it in the alonzo-era. when we check for the magic number, we ...
7 votes
1 answer
170 views

Good tutorials / resources for PAB (testnet)

Does anyone have good resources on the PAB connecting to the testnet? I know Lars Brünjes explained it in the pioneers program, but, at that time, we still had to rely on the emulator. I also know we ...
1 vote
0 answers
55 views

plutus example of interacting with wallet on testnet using haskell

Can anyone proivde an example of how to create a wallet that can be used in the Main.hs file when connected to the testnet? I have working code for Emulator and Simulator, but all examples against ...
1 vote
1 answer
217 views

Testnet relay doesn't have any incoming peer connections other than my BP node

I just recently set up a stakepool on the Testnet. I am running v1.32.1 of Cardano-node on both my relay and BP. Each node (relay and BP) are EC2 instances within the same VPC, and both are running ...
5 votes
1 answer
241 views

PAB connection to public testnet or mainnet (Example/Tutorial)

Does anyone know and want to share any information on how to connect PAB to public testnet (not simulator) or mainnet? Are there any examples/tutorials for it?
0 votes
1 answer
184 views

Does NFT name need to be base16 encoded in metadata.json file? How can I verify it was registered successfuly including the json?

The guide for NFT minting is quite outdate and not working at this moment - https://developers.cardano.org/docs/native-tokens/minting-nfts/ because since recent version of cardano-cli all token names ...