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Unanswered Questions

102 questions with no upvoted or accepted answers
5
votes
2answers
206 views

How to sign the XDR transaction envelop and and post it through java sdk?

I received the XDR envelope of a transaction. I need to sign it and submit using Java SDK. I am able to decode the XDR, but need help on how to sign and submit.
4
votes
0answers
28 views

Do transactions store information on when they were created?

I'm looking at the XDR definition for transaction and I can't find if there's any info on when a transaction was created. How do I look up date information for a transaction? I want to get some ...
4
votes
0answers
23 views

Deprecated Commands in Core 10.1.0?

After upgrading to stellar core 10.1.0, it says that some of the commands have been deprecated. Which are those commands, Could someone please help?
4
votes
0answers
26 views

Limiting the size of local buckets on the core

I'm running a core. It's generating a lot of files in its internal bucket (not the history bucket): files that contain the recent-ish history of the blockchain. Is there a way to limit this amount? ...
4
votes
0answers
40 views

Stellar-Core won't sync anymore: “Replay failed: mismatched ledger hash”

Stellar-core was running smoothly, then crashed without log entries. Node now fails to catch-up and sync. Logs are complaining about a mismatched ledger hash and I am stuck in an endless loop of ...
4
votes
1answer
25 views

Own stellar horizon is not showing data prior to own instance launch date

I run a stellar node using the docker quickstart image and due to some syncing error the underlying ec2 instance was terminated and restarted on 2018-12-28T10:45:19Z, state of core is Synced. ...
4
votes
1answer
52 views

Encrypt with Public Key and decrypt with Private Key using elliptic-curve cryptography

Is it possible to perform public key encryption flow for elliptic-curve cryptography? https://en.wikipedia.org/wiki/Public-key_cryptography I need to implement the following scenario: Alice ...
4
votes
0answers
49 views

Stellar-core failing to initialize history archives to S3

My archive setups are configured like this: [HISTORY.v1] get="aws s3 cp s3://my-bucket/v1/{0} {1}" put="aws s3 cp {0} s3://my-bucket/v1/{1}" [HISTORY.v2] get="aws s3 cp s3://my-bucket/v2/{0} {1}" [...
4
votes
0answers
24 views

What are the message size limitations of stellar consensus protocol?

The question is a two part question: What is the message size limitation of stellar consensus protocol? Also how does the message size affect the TPS of stellar?
4
votes
0answers
55 views

How can I do asymmetric encryption and decryption?

How can I do asymmetric encryption by using Stellar's private key of sender and Stellar's public key of receiver and vice-versa in case of case decryption? I had gone through many methods but I am ...
4
votes
1answer
52 views

Bifrost for altcoins?

I am interested in tokenizing an existing cryptocurrency based on Bitcoin (but isn't Bitcoin), or somehow creating a Stellar anchor allowing trade of the coin on the Stellar dex. would Bifrost be ...
4
votes
3answers
83 views

How does Java parse XDR information?

I need to get the transaction records. This information seems to be in XDR. How can I parse it in Java?
4
votes
0answers
42 views

Where can I find history files structure (transactions and ledger files specifically)?

I'm trying to extract history files from the archive, I understood that transaction file is built of pairs: (32bit length,data), but when I try to extract the data from a single stream I get error: ...
4
votes
0answers
64 views

What is the process for the community to propose an XLM lockup?

Let me start by saying I am not proposing a wholesale token "burning" as I believe that could have unintended negative consequences long term. However, considering the tremendous price appreciation ...
3
votes
0answers
16 views

How to tell if sequence number has been incremented from transaction post response

Is there a straightforward way to ascertain from the horizon txn post response if the seqno has been incremented? For example, an underfunded operation will cause the seq number to increment, but a ...

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