Questions tagged [blockfrost]
Anything referencing to Blockfrost API.
18
questions with no upvoted or accepted answers
3
votes
1
answer
110
views
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
2
votes
3
answers
353
views
Building a transaction on cardano-cli/api without running node?
Is there a way to build and sign transactions with the cardano-cli/api without running a node? I am trying to construct a transaction using the cli or api and submit it using blockfrost. It throws an ...
- 73
1
vote
0
answers
37
views
BlockFrost IPFS error
I can't upload an image to IPFS through
ipfs.blockfrost.io/api/v0/ipfs/add
from browser. I am trying to upload image dircetly from frontend of my application (browser extension). I get this response:
{...
1
vote
1
answer
36
views
Mobile app security concerns
I'm looking into creating a mobile app for learning purposes and using Blockfrost as a data provider.
My initial idea is:
Device:
control the keys;
present the data;
Server:
fetch data from ...
1
vote
1
answer
84
views
How to interpret complex transaction data on cardano blockchain
for many of you this may seem as a complete noob question, but I am as many new to this world and can need a hand with this question.
I am currently looking at some random transactions of some NFTs ...
- 11
1
vote
1
answer
40
views
Stream/Query transaction price history of an asset
Is it possible to get the transaction incl. price history of an asset e.g. (SundaeSwap) using blockfrost or cardano-db-sync?
If yes, is it also possible to stream this value from block to block?
- 433
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
0
answers
28
views
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 ...
- 1
0
votes
1
answer
15
views
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 ...
- 101
0
votes
0
answers
39
views
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 ...
0
votes
0
answers
27
views
Validating ecdsa signature in aiken
Im trying to let my validator validate my ecdsa signature yet I get a weird JSON error:
Uncaught (in promise) SyntaxError: Unexpected non-whitespace character after JSON at position 4
My Validator for ...
- 1
0
votes
1
answer
20
views
Blockfrost policy/metadata api issues
I am trying to get the metadata for the policy ID
but every Blockfrost gives error saying "invalid path"
I am able to get data related to assest using:
"https://cardano-preprod....
0
votes
1
answer
62
views
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 ...
- 13
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
3
answers
143
views
how to resolve this transaction submission error of MintToken with Mesh
I am Facing this error while transaction submission.
""transaction submit error ShelleyTxValidationError ShelleyBasedEraBabbage (ApplyTxError [UtxowFailure (FromAlonzoUtxowFail (...
- 29
0
votes
1
answer
27
views
Yarn doesn't recognise BlockFrost
Can anyone help me with this kind of error? I'm running this tutorial.
https://github.com/blockfrost/blockfrost-js-examples/tree/master/examples/simple-transaction
0
votes
1
answer
85
views
How to loop through multiple pages of blockfrost api in Javascript
I'm trying to count the assets at a blockfrost api endpoint. It only shows 100 items on a page though. How do you loop through all the pages and extract the asset count? Thanks for any help.
const ...
- 13
0
votes
1
answer
60
views
How can I Convert BlockFrost API Code to Dandelion API?
I have somehow managed to get a lot of code for BlockFrost API, however, I want to build some free applications for people to monitor blockchain data from a website dashboard.
To take advantage of the ...
- 972