Questions tagged [horizon]
For questions regarding the Horizon API.
246
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How to create and fund a stellar account on live network?
I have used the JS SDK to create a set of keys, and then send some money to it using friendbot cfr the docs to create an account (https://www.stellar.org/developers/guides/get-started/create-account....
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3
votes
1
answer
183
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Horizon Database Size / Are there very large indexes (yet)?
Could someone with a running Horizon instance please check current index sizes in the Horizon DB? I was told it currently needs around 300GB disk space but curious about index sizes to determine (...
- 586
3
votes
1
answer
166
views
Why does this SSE stream go stale?
While implementing server sent events (SSE) requests I've come across a problem. The streams quickly become stale. The client continues to request data, but the server will only respond with "hello".
...
- 3,367
3
votes
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75
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What is HorizonRequestError error 11?
Horizon returns errors with numbers, but as far as I can see, there aren't numbers in the error reference.
The operation couldn’t be completed. (stellarsdk.HorizonRequestError error 11.)
What is ...
- 117
3
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1
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615
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How to obtain our token's current price
We issued a token on Stellar using stellar API. We need to show the price of our token on our website. How we can do that? Is this available using Stellar API?
- 171
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52
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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 ...
- 3,367
3
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1
answer
186
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Path payment accounting
I've noticed a weird path payment and I'm confused as to how to interpret it.
The payment is represented on stellar.expert as GBN2KFK sending 3.333 XLM to a path and GATEMHC receiving 1 XLM at the ...
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118
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Is there any way of knowing total transactions count (pagination)?
In the transactions endpoint e.g.:
https://horizon-testnet.stellar.org/accounts/GAZHWW2NBPDVJ6PEEOZ2X43QV5JUDYS3XN4OWOTBR6WUACTUML2CCJLI/transactions?cursor=&limit=20&order=desc
Is there any ...
- 133
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62
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How to derive a number of open Offers for a transaction set that hasn't been fully submitted to the network yet
Please help to find out a possible solutions to the following problem:
For a dedicated "Minimal Balance" service one would need to know a number of
account entries among which there are Offers ((2 + #...
- 33
3
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1
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120
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Stream stop get new data when finishing fetch all data and new payment was created
I using java-stellar-sdk version 0.2.0 from this: https://github.com/stellar/java-stellar-sdk/releases
I did as tutorial example:
@Override
protected void onCreate(Bundle savedInstanceState) {
...
- 41
3
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answer
92
views
Fill or Kill (FOK) offers on Stellar?
Is there any way currently to create Fill or Kill offers on Stellar network?
As described in Bitfinex help center:
A "fill or kill" order is a limit order that must be filled immediately in its ...
- 93
3
votes
1
answer
282
views
Issue with Stellar Quickstart Docker Image
I'm trying to run the docker stellar/quickstart image. I launch it with:
docker run -d -p "8000:8000" --name stellar stellar/quickstart --testnet
I've left it running for quite some time but it ...
- 81
3
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0
answers
112
views
Horizon 2.0 Captive Core Reingestion Issues
Ive successfully installed and started horizon 2.0 but I am having problems reingesting ledgers. Id like to reingest ledgers from [30000000, present].
Ive attempted to do so following the instruction ...
- 58
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79
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/......
- 586
3
votes
2
answers
795
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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 ...
- 51
3
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1
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303
views
How do I construct The Horizon postgresql string to connect to a unix socket
I've successfully gotten stellar-core itself to connect to my postgresql database using a Unix socket, like this:
DATABASE="postgresql://dbname=stellarb user=stellarb host=/var/run/postgresql"
Now, I ...
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2
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2
answers
325
views
Can't see the history of an account that paid me
One of the accounts on my platform received a payment on 15/07/18 from THIS ACCOUNT but I can't retrieve the history of the sender account from any explorer.
Here is the screenshot of payments from ...
- 196
2
votes
2
answers
169
views
Getting all offers for a particular Asset (pair)
For a while now I'm trying to figure out how to get all offers for a particular Asset (or pair). As an example, StellarExpert lists all offers of MOBI on the following page: https://stellar.expert/...
- 123
2
votes
1
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241
views
Core breaks after upgrade to 10.0.0
After upgrading both Horizon and Core to new stable versions, I can no longer get stellar-core to start.
before:
ENV STELLAR_CORE_VERSION 9.2.0-551-7561c1d5
ENV HORIZON_VERSION 0.13.1
after:
ENV ...
- 315
2
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1
answer
80
views
How to configure Horizon response _links.href values to use https?
I am running Stellar core and Horizon behind an Nginx reverse proxy and encountering issues with the _link.href output by Horizon. The SSL is terminated at nginx, with the connection to Horizon non-...
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2
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1
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125
views
Asset endpoint returns 404 on standalone network
I build a docker image from the v0.17.0 tag of docker-stellar-core-horizon.
Then, I created a local standalone network from that image:
docker run --rm -d -p "8000:8000" -p "11626:11626" \
-p "...
- 3,367
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99
views
How do you access horizon on a web browser?
I can't find a tutorial on how to use it, what to download, etc.
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68
views
How the transaction history of an account including the amounts sent/received in the transaction be viewed using horizon?
By checking transactions using something like:
https://horizon-testnet.stellar.org/accounts/GBMTGMQXBXZS5XJROQQOZB7TU4ACBIXTJJEG7WTXP4ZEARPGQGDWHWIS/transactions?order=desc&limit=100
I get JSON ...
- 494
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137
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Can the Horizon Server be hacked?
What is the guarantee that the Horizon Server which I am interacting is actually fetching (correct) data from ledger SQL database of Stellar Core?
- 539
2
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146
views
Setting Expiration Time for Offers on Stellar?
Is it possible to create an offer that would only be valid for a day through Stellar DEX?
If not filled until expiry time, such offer would be automatically cancelled.
Centralized exchanges often ...
- 93
2
votes
1
answer
78
views
Why failed transactions are not shown in Horizon in any way?
Anything I can get of the Horizon about the failed transactions is their count in a ledger. No other info is shown about them. Currently, no one can calculate lumen balance using horizon only because ...
- 187
2
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answer
133
views
How to relaunch a Testnet node to use the new Testnet after a reset while using the Docker quickstart container?
What are the recommended steps that should be taken to get a stellar testnet node using the quickstart docker reset on the new testnet?
Currently it is still using the old network by the looks of it,...
- 494
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votes
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208
views
Does AUTO_MAINTENANCE setting clear Horizon DB?
I want to have in my node information only about the last 300000 ledgers. Should I always manually clean the DB or can I automate it?
I'm especially interested in the autocleaning of the Horizon DB.
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178
views
Difference Between Horizon Commands
What is the difference between the following Horizon commands:
horizon
horizon db reingest
horizon db backfill
horizon db rebase
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88
views
Issue with Submit Transaction
Am using Java SDK and Horizon Testnet.
Issue is when i submit a transaction using server.submitTransaction method i get following exception, please let me know if you need any more information
javax....
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2
votes
2
answers
508
views
Account IDs not working for Horizon Testnet API
I am testing the Accounts endpoint on the Horizon testnet API. On this documentation page, there is the sample address:
GA2HGBJIJKI6O4XEM7CZWY5PS6GKSXL6D34ERAJYQSPYA6X6AI7HYW36
Which when plugged ...
- 175
2
votes
2
answers
241
views
Possible to get a list of account holders satisfying certain criteria using Horizon?
I would like to do some analysis of the layout of the Stellar network (maybe some basic graph theory and stats) and I would like to grab a list of all account holders that have had a payment operation ...
- 213
2
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1
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209
views
Horizon DB Initialized with Arbitrary Base(?)
Settings: Private network, 4 nodes running good and validating each other. Now I try to add a 5th node for testing, upon encountering an Horizon ingestion issue.
this is how I made the node "5a" (...
- 1,527
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100
views
Which Horizon "Post Transaction" responses are final and immutable?
I am working on the development of a software wallet. I am using Horizon Post Transaction API to post signed transaction. Following an issue I ran into, I am trying to understand which responses are ...
- 225
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485
views
horizon.stellar.org | 504: Gateway time-out errors are FREQUENT!
I’ve been using the py-stellar-base library to access the stellar public horizon server (version from late last year) and up till recently it’s been fine.
Now I get timeouts (no response from horizon)...
- 559
2
votes
1
answer
399
views
FATAL when switching from test network to public network on stellar-core
My question is about transitioning from the test-network to the public network. I am curious about whether there is a standard procedure to follow, not only in terms of configuration, but also in ...
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2
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1
answer
70
views
How can I direct stellar laboratory to my own instance of horizon?
I cloned the stellar laboratory project and edited the /src/constants/networks.js file to switch the testnet horizon url to url of my own horizon instance.
This allowed me to get requests such as ...
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120
views
Can't close server stream
The other existing question didn't work for me. (How to close a stream event?)
I set up a class to handle and switch streams. In the constructor, I define and initialize the stream this way:
...
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2
votes
1
answer
256
views
Receiving error when posting a transaction to Horizon
I am attempting to create a stellar-core and horizon node running under Travis-CI. (Existing solutions do not work for macOS, as Travis does not support Docker instances for test builds.) The ...
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2
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86
views
Stellar Ledger / Hash uniqueness
I've seen many transactions with the same hash. However, is it safe to say that ledger/hash pairs are unique and there are no scenarios where two transactions on the same ledger share a hash?
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186
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How to access the "All Operations" Horizon endpoint using the Go SDK?
I'm working on an inflation pool, using the go SDK. However the client/horizon package doesn't expose all the horizon endpoints (the Client Interface only has Root, HomeDomainForAccount, LoadAccount, ...
- 105
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533
views
How to connect to a stellar stand alone node?
My goal was to set up a small test network with two stellar nodes. Therefor, I forked the quickstart repo and made some small adjustments. I changed the public key and the network passphrase.
On my ...
- 131
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89
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How to create an account on a private network?
I have already started a stellar private network. I need to generate an account on a stellar private network. I have a secret key and private key also. But I have a question about what should I enter ...
- 143
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2
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110
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Using SDF's Horizon server for Production Systems
I know SDF provides a public Horizon server too. My question from those who are using for their production apps, is it reliable enough or would you suggest running your own Horizon server?
- 215
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80
views
Stellar scalability to 4000 tx/s
I tried to scale Stellar Standalone to process 4000 tx per second.
I use AWS EC2 m4.large for Core, and Horizon. Also I use Postgres RDS for core and Horrizon, but I have only 560 tx per second. My ...
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1
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115
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How to query transaction history of a special kind of asset
When we issued our own asset, how to query transaction history of it?
- 131
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60
views
Horizon import failed (Integer type error?)
I configured a custom docker-compose with Postgres, Stellar Core and Horizon as seperate services. Core and Horizon are running and are responsive via HTTP. Stellar-Core is running on Livenet and is ...
- 205
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1
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268
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Cannot transfer money on standalone network
I'm attempting to transfer funds from the root account to another account on a private stellar network. When I attempt to run the code below (which is basically copied from the examples), I get an ...
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2k
views
Error tx_bad_seq
In almost every case, this error indicates that the transaction submitted in the initial request will never succeed. There is one exception: a transaction that fails with the tx_bad_seq result code (...
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2
answers
430
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Unable to create a new offer on stellar platform using nodejs
As per stellar documentation they provide manageOffer function to create, update and delete an offer, i am enable to use this function can anybody please help me to give me some instructions or any ...
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