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Questions tagged [transaction]

Transferring assets from one address to another.

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Can we calculate transaction hash from the data?

Can we Calculate the transaction has from the data that we receive from blockfrost. I would like to compare the transaction hash (already present) with the has calculated from the data from Blockfrost ...
Rahat's user avatar
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Understanding a weird Cardano transaction with repeated addresses

Can anyone explain this transaction? https://cardanoscan.io/transaction/4911eeec04808b593a34f527bc54ca9c6bf511d6e1ce2a8d2f813f7faaaaa9c9?tab=summary It features one input and, as outputs, includes the ...
bkv's user avatar
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Build Transaction to Transfer Native Token

I need to build a Cardano transaction that transfers a Native Asset/Token. I am working in Go, using this library: https://github.com/echovl/cardano-go. I can see an example showing how to mint assets,...
csknk's user avatar
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Eternl not able to send ADA to Kucoin (Error 400)

I'm not sure where the problem is. I'm trying to send some tokens from my eternl wallet to my kucoin address. I've copied the address using the copy button from kucoin so I don't think it's because it'...
Sellin's user avatar
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Why is "Current Time" (slot) validating script logic when its interval is not contained within the deadline interval (as defined in script logic)?

I have locked my "deadline" (which is set into the future) in "POSIXTime" to the On-Chain Datum of my contract. To unlock it, I am using the "current time" (aka current ...
Basho's user avatar
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Create cardano transaction for wallet signing using Cardano Serialization Lib

I am trying to generate a simple cardano transaction using Cardano Serialization Lib that simply sends some ADA. I want to sign the transaction using web3 wallet like Nami and verify that signature. I ...
tobben24's user avatar
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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 ...
na Ha's user avatar
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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 ...
RelevantData's user avatar
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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 ...
Mik_A's user avatar
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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 ...
Firing Dev's user avatar
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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) ...
jycappucino's user avatar
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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 ...
Emad Panah's user avatar
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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 ...
Mars's user avatar
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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 ...
Firing Dev's user avatar
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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 ?
Eric's user avatar
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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 ...
ash's user avatar
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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, ...
Heindrick's user avatar
3 votes
2 answers
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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 ...
Mateus's user avatar
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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: $ ...
GlinesMome's user avatar
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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 ...
user9232's user avatar
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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: &...
Kostia's user avatar
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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 ...
Badro's user avatar
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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 ...
user3755529's user avatar
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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 ...
user3755529's user avatar
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172 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-...
Srinath's user avatar
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1 answer
98 views

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 ...
Heindrick's user avatar
1 vote
2 answers
322 views

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 ...
AmirhN's user avatar
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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/...
RelevantData's user avatar
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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?...
wmoco_6725's user avatar
1 vote
1 answer
102 views

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 ...
J L's user avatar
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1 vote
1 answer
28 views

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"...
XiTouch's user avatar
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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 ...
Laizer's user avatar
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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.
thejahcoop's user avatar
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2 answers
310 views

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)
Buk's user avatar
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3 votes
2 answers
109 views

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?
Angelo Badellino's user avatar
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1 answer
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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 ...
Skelli's user avatar
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1 vote
2 answers
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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 ...
Cristovao Morgado's user avatar
1 vote
1 answer
60 views

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 ...
LACE pool's user avatar
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1 answer
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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 ...
Tetiana Diachenko's user avatar
1 vote
1 answer
114 views

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. ...
yousuke's user avatar
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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 ...
Percy Hoover's user avatar
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1 answer
68 views

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 ...
Anastasia Martyniuk's user avatar
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1 answer
94 views

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 ...
Jan Swoboda's user avatar
1 vote
1 answer
136 views

Can't submit (allegedly) correct transaction

Ok, here we go. First, the balance: $ cardano-cli query utxo --address addr1vx9z6r6pv5g8aprprvjj2jhamsj4szr6j502fk7wkzq6a3sx0736n --mainnet TxHash ...
Alfredo Casanova's user avatar
0 votes
1 answer
32 views

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 ...
Tetiana Diachenko's user avatar
0 votes
2 answers
188 views

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,...
Falcon Stakepool's user avatar
1 vote
1 answer
72 views

Reactivate Retired Stake Pool

If I still have all the keys is it possible to reactivate a stake pool that was previously retired?
Anodos's user avatar
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1 vote
1 answer
78 views

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?
Fourzin's user avatar
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1 vote
1 answer
96 views

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 ...
Barney Chambers's user avatar
3 votes
1 answer
80 views

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 ...
Anastasia Martyniuk's user avatar

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