Questions tagged [native-assets]
tokens created on the Cardano network
93
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14
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Some issues encountered when working with Cardano
How can I generate a bech32 address in the following code:
const wallet = new AppWallet({
networkId: 0,
fetcher: blockchainProvider,
submitter: blockchainProvider,
key: {
type: 'root',
...
- 13
0
votes
1
answer
18
views
Historical price data for Cardano native assets
Does anyone know where I can get historical price data for Cardano native assets? Data that can subsequently be used for data analysis and visualization. Something similar to what taptools is using ...
- 21
0
votes
1
answer
37
views
Is there any way to wrap a cardano native asset to eth?
I am looking for wrapping some native cardano tokens to the etherium network is there any way to achieve the same? Any help or urls will be very helpfull.
- 171
0
votes
1
answer
78
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Limit the number for each Token (AssetName) within one Currency Symbol (Policy ID)
is there any way to limit number for each tokens within one minting policy, in Plutus validator?
For example for policy ab12 I want to allow users minting tokens, in different transactions. Сan the ...
- 35
0
votes
1
answer
71
views
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 ...
- 1
0
votes
2
answers
132
views
Cardano Multi-Sig Mint BabbageOutputTooSmallUTxO
I’m trying to build a multi-sig transaction to mint an NFT. The transaction will take some input from users wallet via coin selection and add an additional NFT as output.
The problem begans, when the ...
- 23
1
vote
1
answer
25
views
What makes native assets native on Cardano?
Triggered by this blog post[1] (and forum post[2]) which says "No smart contract is needed to mint tokens on Cardano", isn't it so that to mint or to burn custom assets, one does need to run ...
1
vote
1
answer
63
views
Verify if signing wallet is same wallet that generated a particular policy id
Context:
I'm trying to programmatically verify the owner/creator of a policyId. I assume that I need to verify whether a signing wallet is the same wallet that generated a particular policy id. (I am ...
0
votes
1
answer
20
views
Are NFT policies interchangeable between networks?
Generating a policy doesn't require a running node; the cardano-cli alone is sufficient. Since no connection is made to the network, can I assume there's no difference between a policy on preprod and ...
- 177
1
vote
2
answers
310
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 ...
- 13
1
vote
1
answer
33
views
ELI5 Explain native assets at higher level?
Is anyone capable of providing a high-level explanation of how NFT works in Cardano from a traditional blockchain point of view (ERC721, Ethereum, Solana, NEAR, etc), as I'd be very interested in ...
- 178
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17
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Error Minting Native Asset: " unexpected '.', expecting space, letter or digit, white space, "+" or end of input "
I am writing a script to automate minting native assets. Everything works well, up until this point:
echo "Building transaction..."
cardano-cli transaction build \
--babbage-era \...
- 1
1
vote
1
answer
88
views
CIP25 Metadata standard version 2 token name
I have seen recently that CIP25 was updated to include version 2. The main change in this is that the token name is now a bytes type whereas before it was a string.
My question is, what type actually ...
- 11
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votes
1
answer
40
views
Get list of users addresses that minted native asset NFT
I would like to get a list of user addresses, that minted a native asset NFT. Is this possible? I do not want current holders of the NFT, but the original minting NFT holders.
- 103
3
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1
answer
110
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Is there a way to get the current circulating supply of an asset via API?
More specific, I am looking to fetch the circulating supply of native cardano tokens with the Blockfrost API. I know how to get the total supply, but I was wondering if there is any possibility to get ...
- 58
1
vote
1
answer
61
views
How to get information of a certain native token from Cexplorer database?
Given a certain token,for example Sundae, which has
policyID: 9a9693a9a37912a5097918f97918d15240c92ab729a0b7c4aa144d77
fingerprint: asset1m4u92ke6820pkk07m8qmmguye02ewr8g6tezr0
(https://...
- 121
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votes
1
answer
87
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Can anyone explain how tAda locked with asset is calculated?
I have previously asked a similar question here Get Ada locked with asset from db-sync query? but I'm still really stuck with this and needing some help.
After looking at Nami Wallet, Eternl Wallet ...
- 1
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0
answers
38
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Get Ada locked with asset from db-sync query? [duplicate]
Does anybody know a way to get the locked asset Ada/tAda information from db-sync? identical to the information displayed in Nami wallet?
I've tried looking at all the tables, but nothing seems to ...
- 1
0
votes
2
answers
195
views
How can I build a transaction to send different assets (not just ada) using Cardano Serialization Lib?
I have followed this example on how to create a transaction to send ada and I had no issues so far.
What I would like to do next is to add different assets to this same transaction.
Is there an ...
- 1,055
0
votes
1
answer
89
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Problem with metadata on pool.pm
I am having some trouble with metadata for NFT I am minting.
This is the asset on pool.pm:
https://pool.pm/asset1q6fku9qrfld526pfdm746qu3j7wtgvuh5xet9u
And again on adaptors.org:
https://adapools.org/...
- 3
1
vote
2
answers
135
views
How to create a Cardano private network
I need help with a project proposal, but I think this topic could be interesting for many developers and architects.
Does somebody know how to start to build a private Cardano network or where I can ...
- 53
1
vote
2
answers
68
views
How can I allow users to update a public array of data based on whether they own a token or not?
I want to construct public lists that can be altered by people who own a specific token.
Is there a way I can group data together into an array like structure and allow users to append to it?
I ...
- 61
0
votes
1
answer
203
views
Cardano-cli error: "Invalid argument `"type":'"
I'm new and I'm following cardano developers tutorial to create NFT. I arrived at some modified code for what I wanted to do. But get this "Invalid argument `"type":'" error. When ...
- 1
3
votes
1
answer
98
views
Properly (safely) verify that transaction contains an Cardano Native Token or NFT
All the available on-chain validator programs that limit certain redeemer actions to transactions containing an NFT use
hasToken :: TxOut -> Bool
hasToken txOut = assetClassValueOf (txOutValue ...
- 185
1
vote
2
answers
88
views
How to embed smart contract in website
I am creating a dapp website and which will reward it's users on completing different tasks. I have to create cardano native tokens. My question is that how can I send, lock and burn native tokens ...
1
vote
2
answers
60
views
How can I grant an NFT holder a one time action in a web app?
I would like users to be able to perform a one time action on a web app, i.e. claiming one physical item per NFT owned, what would be the best way to keep track of tokens that have already claimed ...
- 61
1
vote
3
answers
161
views
How to figure out what address to query for utxos when minting
Following the iohk guide to minting assets we identify the input utxo using the following command:
cardano-cli query utxo --address $address --testnet-magic 1097911063
This is all well and good if ...
- 856
1
vote
1
answer
140
views
How can I get the wallet distribution of a token?
I'd like to determine the number of wallet holders for (example)
Lobster holders
ClayNation owners
How can I query this with a full node?
- 629
0
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2
answers
102
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Cardano-Cli Transactions with Assets Utxo
I am getting an error when trying to send a transaction with the following Utxos:
TxHash TxIx Amount
--------------------------------...
- 147
3
votes
2
answers
323
views
What is the value of ADA locked in a Native token?
I was wondering, if ADA locked in an native asset is equally valuable? For me it is like if somebody put a draw on a ticket but there are other implications: it can give trouble when making ...
- 917
1
vote
2
answers
112
views
Are negative values valid quantities in native assets?
In Cardano's Alonzo CDDL (Concise Data Definition Language) specification, it seems that the value of an asset could be negative. Is it correct?
If the above assumption is correct, I am wondering how ...
- 403
3
votes
2
answers
592
views
If metadata can be changed, how can the uniqueness of an NFT can be guaranteed?
Let's say, there's manufacturer that produces luxury watches, and he uses Cardano NFTs to track their authenticity. He embeds unique serial number of a watch into metadata of NFT. One watch - one NFT,...
- 33
0
votes
1
answer
25
views
ad-hoc policy lock
It's possible to create a policy which can no longer be used to mint/burn after a given slot. The following object in a policy.script handles that:
{
"type": "before",
&...
- 856
12
votes
2
answers
179
views
Where can I find design and documentation resources on Plutus Staking smartcontracts?
When I was exploring haddock of Plutus I have found that Plutus script can have Rewarding ScriptPurpose:
data ScriptPurpose
= Minting CurrencySymbol
| Spending TxOutRef
| Rewarding ...
- 599
1
vote
0
answers
77
views
Nodejs Native token transaction
I am looking to build a native token transaction in nodeJS using either Cardanocli-Js or Cardano-wallet js but the documentation is massively lacking can anyone give me an example i can look over to ...
4
votes
1
answer
64
views
How to mint mint NFT with StateMachine
I would like to mint an NFT in a particular state of the state machine
Does anyone know where I can find some examples?
- 53
1
vote
1
answer
354
views
How does one-time minting policy actually work?
In week 5 of plutus-pioneer-program with NFT example this plutus minting policy code is provided:
{-# INLINABLE mkPolicy #-}
mkPolicy :: TxOutRef -> TokenName -> () -> ScriptContext -> ...
- 599
0
votes
2
answers
38
views
Is there an easy way to see how many NFT's exist on the Cardano blockchain?
I would like to get the number of all NFT's ever created on Cardano. This means all native assets with a supply of 1. Is there a website where I can find this information or are there tools that can ...
- 3,753
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votes
1
answer
142
views
Question about policy ID for native assets
If the policy ID for a some native token looks like this:
{
"keyHash": "wfwrfasdfasdfsadk4tjwljaldk1234567789123455678",
"type": "sig"
}
Can the token be ...
- 321
1
vote
2
answers
628
views
Why is ADA locked up with native assets and can it be detached from the native assets?
In Yoroi I can see that there is some ADA locked up with my native assets:
Can I spend this ADA without the native asset? If I would not care about the native asset, could I create a transaction that ...
- 3,753
0
votes
2
answers
99
views
cardano-cli transaction build-raw error
I've minted 1,000,000,000,000,000 SLIME coin following this guide https://developers.cardano.org/docs/native-tokens/minting/#prerequisites but I'm getting an error at the "Sending tokens to a ...
- 321
1
vote
1
answer
118
views
About building a transaction using the cli
I've been following this guide https://developers.cardano.org/docs/native-tokens/minting to mint some native tokens but the process of sending native tokens to an address that has multiple UTXOs when ...
- 321
1
vote
2
answers
101
views
What is the output from a transaction when burning tokens?
I'm submitting a transaction to burn token to the blockfrost API and receives the following error
(ApplyTxError
[UtxowFailure
(WrappedShelleyEraFailure
(UtxoFailure
...
0
votes
1
answer
409
views
cardano-cli transaction submit example with native assets
I'm having trouble using the cardano-cli to send one tx. I have one address with 9 ADA and 10,000,000 each of two tokens with the same minting policy and I want to send 5,000,000 ADA of each token to ...
- 321
0
votes
2
answers
352
views
Why does 'cardano-cli query utxo --address $address --mainnet' return an empty list?
I'm trying to list all the utxo's at my Yoroi wallet address. I set the variable 'address' as my receiving address but when I run the command, cardano-cli query utxo --address $address --mainnet, ...
- 321
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votes
1
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32
views
Can a native asset have different rules for minting and burning when using SimpleScripts?
Could I for example have one key to only be used for minting tokens and another only for burning? Or does this require Plutus script?
1
vote
2
answers
364
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Can Nami wallet provide the TransactionWitnessSet for minting a native asset?
I'm trying to mint a native asset reusing the keys that Nami already uses. This is to make a minting service that is connected to a specific wallet, and that wallet is always able to mint more tokens ...
2
votes
2
answers
144
views
Is it possible to specify metadata for native asset on-chain?
I know about token registry, which is off-chain, but I noticed that some tokens such as HOSKY are not in token registry and yet they have logo, description, URL and coin name visible on pool.pm.
Is it ...
- 195
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votes
1
answer
175
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OutputTooSmallUTxO error
I'm following these steps and I get the OutputTooSmallUTxO error.
Not sure what I missed from the steps but here's my parameters and the error as a whole.
tokenname1="Testtoken"
tokenname2=&...
0
votes
1
answer
67
views
Is it possible to change the name of a minted native asset?
Native assets are defined by a fingerprint. This is decoupled from the name, so far as I know. Is it possible to modify the name of the asset after minting it?
- 856