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5
votes
1answer
63 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: ...
5
votes
1answer
77 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 ...
4
votes
1answer
98 views

Stellar-core not syncing on testnet after restart. Missing Buckets not being retrieved

After attempting to restart a stellar core node I had running on the test net I got an error, and when I tried to run stellar-core (inside docker container) with stellar-core run I got the following: ...
4
votes
0answers
64 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
2answers
80 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
131 views

Using S3 as Archive for Standalone Node

I assume this is a classical How To. But i can't find the answer. How do I configure S3 as archive for a standadlone stellar node? Here is what I did: 1) Started the node with quickstart template: ...
4
votes
0answers
121 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
1answer
75 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
195 views

Backfilling nodes that have ledger gaps

One more for you: What are the steps to make horizon db backfill to a specific elder ledger number? A core node may not be fully synced and may have ledger gaps.
3
votes
1answer
32 views

Is a network of non-validators really necessary?

From my understanding, stellar-core nodes (i.e., including watchers and validators) will arbitrarily connect to other nodes by default (i.e., no preferred peers set). While it makes sense for watcher ...
3
votes
0answers
12 views

Compiling on CentOS & Fedora

I have written spec files for packaging Stellar-core in the CentOS/Fedora and perhaps eventually RHEL. This works locally with the "make check" step however when I run "make check" on the remote ...
3
votes
0answers
44 views

Delay while streaming payments with GO sdk

I want to stream all payments from stellar so I can see when I receive a payments for public keys stored in db (could be hundreds). It works fine, but when there are a lot of operations, it starts to ...
3
votes
2answers
55 views

Stellar's Quorum Structure

In the Stellar whitepaper, there are examples of various Quorum structures. Which one does Stellar use? Is there a visual representation that I should look at?
3
votes
0answers
17 views

How does Stellar-Core handle multiple archives in a secure manner?

For a stellar code, if a node is configured with multiple history archives for reading, presumably from sources of different nodes. How does this node handle discrepancies between the historical data? ...
3
votes
1answer
86 views

Timeout after 6000ms after submitting a transaction

Whenever I submit a transaction I get a timeout error (after 60 secs). The server is a docker quickstart image in standalone mode. To solve the issue I am have to run the image with -e LOG_LEVEL="...
3
votes
0answers
34 views

Change stellar quickstart docker from ephemeral to persistent without shutting it down

I made the mistake of running my Stellar instances with the -v "/home/Drew/XCoin:/Drew/XCoin" flags instead of the required -v "/home/Drew/stellar:/opt/stellar"flags that Stellar recommends on the ...
3
votes
0answers
134 views

Docker image installation private network detailed instructions

I am able to install a stand alone network on an aws ec2 instance with the command docker run --rm -it -p "8000:8000" -v "/home/scott/stellar:/opt/stellar" --name stellar stellar/quickstart --...
3
votes
0answers
100 views

Where should the stellar-core root account seed be stored?

Should the root account seed from stellar-core be stored in the stellar-core config? After upgrading to the latest version of stellar-core, I'm not able to find the transactions related to the ...
3
votes
1answer
86 views

compliance server error when trying to access stellar.toml file

I am testing compliance, bridge and federation servers simulating payments between two FI One of my compliance servers is displaying the following error when trying to contact the other FI: err="...
3
votes
1answer
83 views

Random crash upon calling KeyPair.random() on android

I'm trying to use the stellar sdk in an android app. So I downloaded the stellar sdk and generate it's jar and include it in as a external jar in my android app. To get it working I also had to add ...
3
votes
2answers
44 views

(SCP) When does a node get its higher-layer software's input?

According to the SCP document (draft-mazieres-dinrg-scp-04, https://datatracker.ietf.org/doc/draft-mazieres-dinrg-scp/), the following paragraph describes how a node get its higher-layer software's ...
3
votes
2answers
549 views

Horizon waiting for Stellar-core to sync

I have built stellar-core and horizon instances from source on Ubuntu 18.04 LTS. I managed to make them work for the test-net, yet now, whilst trying to configure stellar-core.cfg for the public ...
3
votes
1answer
98 views

How to use MANUAL_CLOSE in core config?

The example config states that "Ledger will only close when stellar-core gets the manualclose command". On a new private testing network (ledger#=1), after setting MANUAL_CLOSE=true, I did stellar-...
2
votes
0answers
20 views

Stellar Netwok AWS Storage Volume

I had set one stellar network up on AWS with 500 GB HD near about one year ago. Now storage is approx 90%. Is there any way to remove old ledger,old history to increase the HD.
2
votes
1answer
21 views

How can we export all transactions between tween ledger numbers from stellar?

I need to export all the transactions and the data associated with them between two ledger points. I am guessing I need to get it from history files. How do I find out which json files I need to use ...
2
votes
0answers
48 views

Stellar channel implementation is giving an error “this.source.sequenceNumber is not a function”

i am trying to implement stellar channel concept. i am following stellar channel link. I have created 6 channel accounts. Below is the programme i wrote var destinationId = '...
2
votes
0answers
10 views

Does weighting votes proportionally to lumens held open the door to rent capture?

The scenario where a group of account holders owning the majority of lumens pool their votes and decide to capture all inflation seems at least theoretically possible. In that scenario, members of the ...
2
votes
1answer
84 views

How to fix withdrawal / deposits limits for a custom asset?

I am working on a private Stellar network with Docker and Stellar Laboratory. I have deploy an asset with issuing and distributor accounts, but i want to establish some daily limits for withdrawals ...
2
votes
1answer
78 views

Error while installing stellar core

I am trying to follow this tutorial in order to build a private stellar network. https://labs.imaginea.com/post/stellar-bc-wallet/ And i am still trying to install stellar-core. when i ran ./configure ...
2
votes
0answers
12 views

If stellar bridge goes down, how to retrieve previous transactions?

Let's say that my Stellar bridge server is down for a period of time. How do I retrieve all the transactions that come to my address during that time period using stellar bridge?
2
votes
0answers
28 views

How to set correct hostname in Horizon?

What is the correct way to set a hostname in Horizon? Hosting server is configured to horizon.stellar.domain.com but within Horizon the generated paths for all href attributes show http://horizon/......
2
votes
1answer
41 views

Getting an old build and set up stellar core

I want to set up old build (not using docker). If I download the source code, how do i build the core from that? Say I download v10.2.0rc4 from https://github.com/stellar/stellar-core/releases. I ...
2
votes
1answer
77 views

History configuration? (404s)

I'm attempting to get a full-history horizon & core setup going, and I'm running into 404s fetching history buckets, with every combination of configurations I've seen on stackexchange and in the ...
2
votes
1answer
60 views

How to carry out compliance for transactions between customers using single compliance server?

I have set up an Anchor account and created a custom asset to have customers trade with. I want to set up some compliance for transactions sent from one customer to the other. All customers will be ...
2
votes
0answers
56 views

Is the Horizon Testnet Currently down?

Is the testnet currently functional? Is there an official status website or organisation that issues announcements related to the status of the testnet regarding downtimes, resets or outages? Thanks ...
2
votes
0answers
68 views

History buckets not found in history.stellar.org

After update to stellar-core 10.0.0rc4 I got history issue. Synchronization is stuck. Here is errors: 2018-09-14T14:08:36.090 GCUCN [default INFO] Loading last known ledger 2018-09-14T14:10:19....
2
votes
0answers
104 views

Can't continue stellar-core sync. Stuck in Joining SCP

I'm in the middle process of stellar-core sync, but I need to restart my server for some reason so I stopped the stellar-core sync. Then when I continue the sync process I keep getting this message: ...
2
votes
1answer
112 views

Error while transaction submission in the private network

So I am trying to do a transaction in the private network, I have named it standalone, I am using SSL. I started the network using docker, then created a keypair, then in another terminal ran node to ...
2
votes
0answers
44 views

Legal Question before going live

As I'm getting closer to have a product (timed payments) which I would like to activate on the Stellar public net, I'm wondering which legal aspects I have to consider. The setup for the current ...
2
votes
0answers
132 views

How to resolve 500 Internal Server Error on /transactions/<hash>/operations?

My node returns an error when I query the /operations endpoint in horizon. curl http://127.0.0.1:8000/transactions/73ce2618095d2c17bdaf08a6a6617cef549f974b1619f03b84eb46747e5e4eb0/operations { "...
2
votes
0answers
27 views

Bifrost gives Internal server error 500

I am getting an internal server error if (requestData === undefined) { requestData = null; } // Send the request request.send(requestData); // The error is given at this line ...
2
votes
0answers
104 views

Problem with bridge-server ERRO[0062] seen every 60 sec

This server was working fine with this config for like over 12 months with this same config. Now for reasons unknown I get: WARN[0001] accounts.authorizing_seed not provided. /authorize endpoint will ...
1
vote
0answers
7 views

How to close a stream event when I don't have the channel?

I opened a stream to listen to events. The server rebooted. How do I close the stream when I don't have the channel object? Will Horizon stop calling in when the client does not respond? Is there a ...
1
vote
0answers
36 views
+100

Presign Buy order without knowing the right amount in advance

How it's possible to create a valid Manage Buy Offer in Transaction 5 of the crowdfunding example from the stellar smart contracts reference. The reference quotes: Manage Buy Offer: Holding ...
1
vote
0answers
12 views

Lobstr wallet security

I am checking the best Stellar wallet to save my assets. I have setup the account on LOBSTR. I'm interested most in the security. Looks like the transaction is not signed on client but on server side....
1
vote
1answer
18 views

Stellar-core catch up failed

My stellar node stop syncing with such error: 2020-01-15T05:43:46.809 GAES7 [History DEBUG] Verifying ledger headers from /mnt/volume_lon1_01/buckets/tmp/catchup-425e2f74558fb272/ledger/01/a7/8a/...
1
vote
0answers
14 views

Using the STELLAR LABORATORY (HORIZON) UI to interface/connect to a LOCALHOST Standalone STELLAR core network

I am new to the Stellar network and would like to TEST Stellar's capabilities - via a standalone implementation (http://localhost:8000) of the 'STELLAR/QUICKSTART' on my MAC laptop. The installation ...
1
vote
1answer
43 views

Stellar Core Stuck at Catching up or Joining SCP

I'm trying to get a basic version of Stellar Core setup in Docker using the stellar/quickstart image. One of the problems I'm running into tho is that the state is stuck at Catching up or Joining SCP....
1
vote
0answers
22 views

Store Large volume data

Is there any way to send data over memo more than 28 bytes. As I have done one experiment to send data greater than 28 bytes using SHA256 algorithm but it can not be decoded. So any method regarding ...
1
vote
0answers
11 views

upgraded horizon version, newly added tables is not synchronising with stellar core private network

Stellar core version is 12.2.0. Recently i upgraded my horizon version from 0.17 to 0.23. while running, it showed me an error that i need to "horizon db migrate up". Post doing that it basically ...

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