Questions tagged [transaction]
Transferring assets from one address to another.
207
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I want to develop my project related to Cardano
I want to develop a personal project related to Cardano. I have read some documents, but they require using project_id from Blockfrost. However, I don’t want to go that route. So, I’m wondering where ...
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DBSync: Querying ma_tx_out
I queried ma_tx_out and used the fingerprint of an asset to get its ident so I could get the tx_out_id to get the most recent tx_out for a given asset - but that asset is only in that tx_out because ...
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Blockfrost API error with pycardano
I get blockfrost.utils.ApiError: {'status_code': 400, 'error': 'Bad Request', 'message': 'Invalid address for this network or malformed address format.'}
when using pycardano and this code
# Create a ...
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33
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How to verify signed Tx and signer's address?
I am building dApps on cardano, and I faced an issue.
I was trying to let the users sign message to verify them. (using signData method of wallet)
But signData method is not supported for ledger type ...
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40
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Error submitting a transaction (Error: PPViewHashesDontMatch)
I hope I can get help from someone on here. I built a minting transaction on preprod using Lucid that uses a validator that always pass, and I am stuck with this error:
error: Uncaught (in promise) ...
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How to using Mesh for making transaction from specific address of seed and send ADA to another address
I was trying to make 1000 ADA addresses from one seed. I have used MESH and make payment addresses.
and deposit successfully on those addresses, now I need to send ADA from one of these generated ...
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34
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Console devtools sign and submit transaction
so i'm runing this to prompt a transaction on nami wallet, sign and submit.
the ideal scenario was to nami wallet submit transaction for herself but somehow that is not happening, so i tried to submit ...
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How to monitor Cardano Minswap transactions using Blockfrost?
I was trying to monitor the swap actions
like who swapped which A to B Token, as real-time from Minswap platform.
I was using Blockfrost webhook for this, but I fetched lots of transactions including ...
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Need to add signatures to plutus-simple-model-transaction
Any idea how to sign a transaction with multiple keys in plutus-simple-model ?
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2
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Can a smart contract execute itself automatically?
I was wondering wether a smart contract can execute automatically or not. For example, let's say I have a vesting contract that, when a certain deadline passes, automatically executes and send some ...
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Transaction submit error MissingVKeyWitnessesUTXOW
I am @emurgo/cardano-serialization-lib-nodejs to submit transaction in cardano.
I am getting following error.
Transaction 5c98317bc6caf027b91e807ed1cdd78571b8f9a791202b5feff5b32fa5f71f1f rejected,
...
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2
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Rust off-chain solutions
I am interested in learning Rust and I thought a good idea of doing so would be to build something on Cardano. What libraries and resources would you recommend for someone like me? I am specially ...
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60
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Can't collect due to a non existent script
I'm following Plutus Pioneers Program, 4th Cohort, I'm at Week 2 on testnet
I'm struggling a bit collecting the gift, I have do a slightly modified version of Gift, creating it works as expect:
$ ...
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71
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TypeError: a bytes-like object is required, not 'Transaction'
I am trying to use the https://github.com/Python-Cardano/pycardano/blob/main/examples/native_token.py with minor changes, like pointing to mainnet (have tried preview as well). I have updated the ...
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ScriptWitnessNotValidatingUTXOW while minting an NFT
I'm currently trying to create a minting process with lucid (v. 0.8.9) using Blockfrost on Mainnet.
Minting policy:
const mintingPolicy: MintingPolicy = lucid.utils.nativeScriptFromJson({
type: &...
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57
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Is there a way to find the price of an asset from the JSON object of a transaction received from a Blockfrost webhook?
I am trying to find the price of an asset from a transaction JSON object that I receive from a Blockfrost webhook in which I track transactions from and to JPG store, the object has all the ...
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Understanding Script Failure Error Relating to Order TxIds - (script hash not known)
trying to claim back the first player bet after deadline in the ZeroOneGame from ppbl gimbalabs course on pre-production_testnet I get an error when trying to build the claim transaction.
I have this ...
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ScriptWitnessNotValidatingUTXOW - Transaction Error While Minting NFT With Native Script - Before Slot Instruction Not Working
I am trying to mint an NFT for the zeroOneGame exercise from gimbalabs on the pre-production testnet (babbage-era) but I incur in an error and I can't see what I am doing wrong.
Here are the steps ...
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155
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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-...
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18
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Error deserializing multiple UTXOs
When deserializing multiple UTXOs from the same wallet, in some point of the rawUtxos the process crash with this error. When doing the same process to deserialize the same UTXO but not on a loop, it ...
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83
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Transaction in Cardano
I created transfer function with blockfrost.js and cardano-serialization-lib.
I refered following code.
https://github.com/blockfrost/blockfrost-js/tree/master/examples/simple-transaction
When I try ...
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309
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Send native tokens without running node
is there any library or proper guide to send custom/native tokens in NodeJS?
i don't want to run full node (cardano-node/cardano-wallet), just want to build and sign a transaction and submit it via ...
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53
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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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44
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Plutus: multiple-utxo withdraw fails, single-utxo withdraw succeeds
A beneficiary tries to withdraw the maximum amount from 2 utxo's of a smart contract in one transaction but that fails. If the beneficiary does it in two steps it succeeds.
Why does the first one fail?...
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Cardano mempool
I have looked at this thread: Is there any platform to read the Mempool? asking if there is a way to read the (historic) cardano mempool. Back then, there was none so I was wondering if anything has ...
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26
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How to specify a description using cardano-cli
In cardano-cli, when I create a transaction file (.body and also .signed) the contents of the file appear to be in JSON format with 3 fields, as follows
{
"type": "Tx AlonzoEra"...
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Is it possible to create a flutter app that would create and sign cardano transaction
I would like to create a simple mobile application using flutter that would create and sign a transaction and submit it through an API like Blockfrost to the network for which it will interact with ...
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Attempting to build (NFT) transaction in Python and push through Cardano-cli
right now I am getting the system can't find the path specified but I have tried with and without passing the path in as a variable.
I am running this in Python 3.6+ in Visual Studio Code on Windows.
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Is there an easy way to export a CSV file of all transactions from a specific address or wallet?
Is there an easy way, without writing code, to export a CSV file of all transactions from a specific address or wallet? (not Daedalus)
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How eUTXO is more scalable than the account model?
There is this beautiful eUTXO handbook which state scalability as one of the main advantage of the eUTXO accounting model.
How and why is that essentially?
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Failing Validation on Script Address
I am trying to unlock an NFT that I locked into a script address. The unlocking succeds when I have some basic validation rules but when I add the minterIsPaid rule below, the validitation ...
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traceIfFalse is it possible to pass a string not "fixed"
Is this even possible?
traceIfFalse ("A"++show(scriptContextTxInfo)) FoundIt
As logging onchain is just possible with this traceIfFalse ... I'm not finding a solution to make that line ...
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57
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Is the UTxO for change always the very last index of the outputs?
Given a transaction with multiple outputs, is the UTxO for the change always the very last index of the list of all outputs?
To demonstrate what I mean:
Given the following theoretical transaction
...
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Cardano Transaction Submit Errors
I am currently building a dApp on cardano using cardano-serialization-lib and wallets (Nami, Typhon, Yoroi).
Since you have to configure TransactionBuilder with the latest Protocol Parameters, there ...
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103
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Sending consecutive transactions will result in an error
Sending consecutive transactions will result in an error.
Using the simple-transaction example below, a transaction is created in Cardano-Serialization-Lib and sent to the blockchain using BrokFrost.
...
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130
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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 ...
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65
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Whether validation checks are necessary
In Plutonomicon github repo it says by the end of the page:
For example, you don't need to prevent an unexpected transaction from locking value away - that's the submitter's own problem - but you do ...
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84
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cardano-cli Command failed: transaction sign Error: Failed to decode neither the cli's serialisation format nor the ledger's CDDL serialisation [...]
I have a CBOR and want to sign the transaction using the Cardano-cli.
This is the error I get:
Command failed: transaction sign Error: Failed to decode neither the cli's serialisation format nor the ...
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1
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128
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Can't submit (allegedly) correct transaction
Ok, here we go.
First, the balance:
$ cardano-cli query utxo --address addr1vx9z6r6pv5g8aprprvjj2jhamsj4szr6j502fk7wkzq6a3sx0736n --mainnet
TxHash ...
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28
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Transaction submission times
I am building an NFT marketplace on Cardano which supports 3 wallets: Typhon, Yoroi and Nami.
I have to mint an NFT right before putiing it on sale, so I figured I need to wait for the newly minted ...
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2
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149
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How can I create a token that shows 6 decimals places in Eternl?
I have created my own token and I have added a Cardano Token Registry specifying that the token has 6 decimals places. My entry looks exactly like the Minswap's token entry, but the difference is that,...
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Reactivate Retired Stake Pool
If I still have all the keys is it possible to reactivate a stake pool that was previously retired?
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60
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Retrieve Witness Set from Transaction ID
Is there a tool or method to get the set of witnesses (public keys) of a transaction given the transaction ID?
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What's the difference between a payment.vkey/payment.skey and a policy.vkey/policy.skey
I am following this tutorial on creating an NFT on the Cardano testnet. The tutorial references a payment.skey and a policy.skey that are needed to build and sign a transaction that creates the NFT on ...
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79
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Is function "isPayToScriptOut" unsafe?
As far as i understood, function "isPayToScriptOut" assumes every output that has a datum hash is a script output. But what if we create new output with datum, assigned to some pub key (for ...
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69
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Cardano transaction builder library in Haskell
Is there a way besides cardano-cli that I can use to construct a transaction using Haskell?
Something like Lucid-cardano npm package, but in Haskell land?
Said library should allow me to construct a ...
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128
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What is your comfort level for Number Of Confirmations, and why?
As an example, in Eternl wallet, a new transaction is marked as follows:
red (0 to 9 confirmations)
yellow (10 to 19 confirmations)
green (20+ confirmations)
I have been watching blocks in db-sync, ...
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How is Number Of Confirmations derived for a transaction?
In the wallet I use a transaction gets a "number of confirmations" and is indicated as "low" (red), "medium"(yellow), or "high"(green) confidence based on that ...
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How did SundaeSwap solve the scalability issue associated with consuming the same UTxO more than once in the same block?
I know that this was a very hot topic when SundaeSwap came out.
How did the team solve this?
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How to query the address that sent a token from cardano-db-sync?
I'm trying to query the token transactions using the schemas of Cardano-db-sync. When querying ADA transactions, I can easily see the input and output addresses with the values sent by joining the tx, ...
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