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11 votes
1 answer

How do I conduct data analysis on Stellar?

I work as a data scientist for a tech company. I'd love to to run some ML models by pulling data from the blockchain. How would I pull data in a tabular format?
Chris Stroud's user avatar
11 votes
1 answer

Info on metrics

Is there any documentation as to what each of the metrics outputted by stellar-core -c metrics means? In particular, I'm interested in determining the number of transactions reviewed by a particular ...
Ryan's user avatar
  • 241
8 votes
1 answer

Upper limit for managed data

The manage data operation allows binary values to be associated with an account. The documentation doesn't mention any upper limit to this data, but there surely must be. What is the limit? Or does ...
Synesso's user avatar
  • 3,367
7 votes
1 answer

Is there a public queryable version of Stellar.db out there?

Do I need to host my own continuous instance of horizon pointed to a DB that I control in order to execute a query like: SELECT SUM(balance) FROM accounts WHERE inflationdest = {inflation_destination}...
Jarret's user avatar
  • 121
7 votes
1 answer

How much extra balance is needed per DataEntry

The documentation for the Manage Data operation states that: An account can have an arbitrary amount of DataEntries attached to it. Each DataEntry increases the minimum balance needed to be held by ...
l p's user avatar
  • 173
7 votes
1 answer

Regarding Data Entry extensibility

Noticed this in stellar-core: /* DataEntry Data can be attached to accounts. */ struct DataEntry { AccountID accountID; // account this data belongs to string64 dataName; DataValue ...
R.J.'s user avatar
  • 349
6 votes
1 answer

Does a Historical Traffic Chart for the Stellar Lumens Platform Exist?

I'm aware of to view live platform transactions, but I would like to access a historical growth chart. As new apps and tools get brought on board, and as more people ...
Jsweet's user avatar
  • 133
3 votes
1 answer

Stellar Java SDK: Retrieve Account Data

I can see how to add data to an account using ManageDataOperation. But is there a way to retrieve the same data using the Java SDK? I fund a JS example:
Klaus's user avatar
  • 193
2 votes
1 answer

What happens when transaction fails to be applied?

What happens when a network comes to a consensus about a transaction, but that transaction fails to get applied on some nodes but not all nodes? A more concrete example is createAccount operation. ...
B.Li's user avatar
  • 649
1 vote
2 answers

Storing image file on stellar network

I am trying to insert an image into Stellar private network. I have gone through all the operations but did not find anything. Any new update with Stellar protocol version 12?
Shan Gorai's user avatar
1 vote
0 answers

How to get data for a stellar node from a time in the past

Sorry because my English is not good :( I am facing a case, for example, I run 1 stellar node from day 20, but I want to get all the data from day 10, how do I do that? Thanks <3
William Cuong Tran's user avatar