Questions tagged [testnet]

a Cardano test network. Used to validate and test new features prior to implementation on the production network (mainnet)

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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&...
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Transaction submit error

Is there anything wrong with cardano-cli transaction build-raw \ --tx-in 2b67b1d3cbab8004f469a2a2f260738704810744350119d75079d7b6f4b1842a#0 \ --tx-out $(cat payment2.addr)+100000000 \ --tx-...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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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 ...
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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/...
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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: ...
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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!
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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" ...
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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=...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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Alonzo purple node not syncing

My Alonzo Purple stopped earlier today at: { "epoch": 1138, "hash": "6da227172643387f26e2b95e7f8d781938a6084bc745fb5026134fa901bd5ef8", "slot": ...
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Cardano-cli errors when submitting

I can build and sign a tx with no errors using: cardano-cli transaction build --alonzo-era \ --testnet-magic 8 \ --tx-in 20445d5c68e1759f1371a86ecca773b76463fba3831f128fd2f7834de38ae6ec#0 \ --tx-in ...
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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 ...
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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 ...
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Sync Daedalus with a local testnet node

I have set up a Cardano development environment and build a node which is fully synced to the testnet network. How can I make my Daedalus wallet use/point to that local testnet node instead of ...
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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] ...
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Getting Validator Hash

I'm checking the Value locked by certain ValidatorHash of another script that I deployed. Does anyone know how to get Ledger.Address or ValidatorHash from Plutus or cardano-cli? I know the "...
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How to connect Yoroi to testnet?

I already have a testnet cardano-node running on my machine. How can I connect Yoroi there? Is the hetwork hardcoded in the wallet or I'm missing some advanced settings?
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Cardano CLI - Error submitting transaction for minting a token

I am trying to create a token and I've been following the instructions for here: https://developers.cardano.org/docs/native-tokens/minting/#minting-native-assets This is on testnet. Here is some info: ...
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3 votes
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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, ...
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Error while decoding the protocol parameters

This is occurring on testnet. Trying to calculate a fee for a transaction that will include metada. Here's the script: cardano-cli transaction calculate-min-fee \ --tx-body-file tx.draft \ --...
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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 ...
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Testnet Node Error - [cardano-:cardano.node.DnsSubscription:Error:211493]

Currently running a test node and when it gets synced this error happens. So far I deleted the db/ folder and ran cardano-node again. Everything was going well but when it syncs this happened again. ...
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Is there any way to connect to cardano testnet without running the cardano-node on local computer?

Since the KEVM or EVM devnet seem to be crashed, I Want to access the Cardano testnet, but I don't want to run a Cardano node on my machine and sync the info. so I wonder is there any tool that can be ...
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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/...
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Why canot deploy smart contracts to the KEVM testnet using mellat?

Recently I want to deploy a smart contract to the KEVM and EVM testnet using mellat, but after a few minutes of the deployment, I cannot find the transaction in the KEVM or EVM explorer using that ...
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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....
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5 votes
2 answers
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Documentation for smart contract deployment on testnet & mainnet

Can somebody point out where I can get the doc for smart contract deployment on testnet & mainnet? I am testing on plutus playground now and would deploy on testnet to try. Thanks in advance.
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Exception trying to run test node

I am trying to run a node for testing. I have been through the installation and downloaded the config files from iohk but I am getting an exception when the configs are parsed: AesonException "...
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9 votes
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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 ...
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How do you send ada from a Byron address to a Shelley address using the CLI?

I am currently working to build a private network from Byron to Alonzo and I think I have some test-ada left in a Byron address. If I am in the Shelley (Alonzo) era and I am using the cli to conduct ...
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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 ...
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2 votes
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When will fees be finalized on the Alonzo testnet to reflect mainnet experience? Will it be on Sep 1?

I noticed the fees being shown to the Alonzo testnet users haven't been representative. It was mentioned on Aug Cardano 360 it is being finalized. Will it be implemented right out of the gate on 1 ...
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Trying to get a Testnet Node Running

Can anyone help me troubleshoot this? I am trying to get a testnet node running. After syncing for quite a while I get this error: [DESKTOP-:cardano.node.DnsSubscription:Error:70] [2021-08-26 14:36:47....
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What tools do I have for building a Cardano Daap 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 ...
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6 votes
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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 ...
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How can a private network be created besides Mainnet and Testnet?

I've came across this 2 year old question in Stack Overflow, I'm starting a side project at work to explore the potential of Cardano. There is an old documentation page that mentions cardano-sl ...
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5 votes
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Is the metadata limit on testnet transactions the same as mainnet?

I was wondering if there was a difference in the byte limit in metadata added to test-net transactions versus being done on the main-net.
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