Questions tagged [horizon]

For questions regarding the Horizon API.

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stellar core upgradation issue

I have upgraded my stellar private network core version 15 to 18 and it is synced. Now I am trying to upgrade my horizon 1.11.0 to 2.12.0 and I have configured captive-core.toml file for my private ...
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4 views

Liquidity Earnings

I have put assets into liquidate pools on the Stellar network. Do I earn fees from the pool in $AQUA only or is it in the tokens I added to the pool?
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179 views

Change Network Passphrase - Quickstart - Persistent - Docker

I am trying to change the network passphrase for stellar. I am using the quickstart docker image and launching in standalone mode. command: docker run --rm -it -p "8000:8000" -v "E:\...
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144 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. ...
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16 views

Stellar operations priority

What order is used to execute operations in ledger? I mean those operations who passed fee filter Sorted by time of submission fee random order? I tried to find this information in docs, but no luck
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1answer
210 views

Friendbot request fails with 400 (Bad Request)

I am trying to create an account on the stellar Test Network. I am using ASP .Net framework. But whenever I make a request and pass in the public key, I always get this error: Response status code ...
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1answer
68 views

Exchanging fiat tether on SDEX

We have fiat tether tokens that we issued, each token is backed up by an equivalent amount on our bank account, currently we are able to switch between one tether into another using our own exchange ...
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11 views

Stellar Captive Core For Private Network

I have set up one stellar private network. Now I want to connect horizon with that private network core in captive mode. So that I have create one stellar-captive-core.cfg file as below [[HOME_DOMAINS]...
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7 views

How do I find out the date and time a specific offer was created?

The "Offer" object only contains a "last_modified_time" field, not when it actually was created, and no information about the transaction ID or ledger number.
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223 views

Transaction failure when using Stellar Go SDK

receiving the following errors related to horizon server: handshake-1 env.sh[19791]: 2019/04/25 12:03:24 handlers.go:180: [ERR] Horizon error: "Transaction Failed". Check horizon.Error.Problem for ...
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How to find my initial create_account transaction?

I'm new to using Stellar, having just created an account on Keybase.io (which presumably acts as my wallet). I have some past experience using the Steem blockchain though, so I understand the basics. ...
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How to get an account's current amount of pooled assets in a liquidity pool (LP) via Horizon API?

I'm wondering how to retrieve the current amount of assets (asset 1 & 2, not shares) that an account has ownership of within a liquidity pool (LP)? More specifically, I'm searching for the Horizon ...
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Stellar-core multiple instances

I am planning on running 3 stellar core instances for high availability purposes. My question is, do I need to have separate db for each core instance? Same for buckets as well, I am assuming buckets ...
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55 views

Horizon captive core disk requirements and practice

Having installed and ran horizon with captive-core, it seems that memory consumption is stable (~ 4.5 G). The disk space is though increasing while transactions keep coming. Around 10G/day. From my ...
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waiting for ingestion system catchup" pid=27603 service=ingest status="{false false 0 0 0}

I am trying to setup horizon server on testnet. captive core is running on a different machine and api server is running on a different machine. When start up horizon api server, getting this info ...
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1answer
60 views

Performance problem with ingesting Horizon

We want to setup Stellar Full Archive with Horizon Using the https://github.com/satoshipay/stellar-core-parallel-catchup we managed to synchronized Stellar Core DB and build full archive. After ...
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1answer
95 views

How to set up a anchor on stellar?

As I working on stellar Blockchain, can anyone guide me on how to create an anchor on stellar? and How it will give a withdraw amount in fiat currency & which protocol is it used to convert ...
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1answer
145 views

Minimum account balance Changed?

The base_reserve_in_stroops says 5,000,000 (0.05 XLM) in the following URL. This is a recent ledger entry. Does this mean it only takes 0.1 XLM (2 * 0.5 XLM) to create an account now? https://horizon....
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11 views

Horizon Ingestion

We hosted horizon in our own network, the size of storage is increasing dramatically. Is there anyway that we can start ingesting only from a specific date?
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MEMO N/A after submitting to bridge endpoint /builder

curl -X POST \ http://localhost:8006/builder \ -H 'Content-Type: application/json' \ -d '{ "source": "GBJ6ONYK73A65BRW7SOGQYEDCN55NCYDH5WJTE7WZIZXF3RRX2GFI33T", "memo": { "text": "...
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240 views

transaction is not submitting on stellar network!

load account is working fine and giving details of accounts means horizon is giving response but on transaction submitting getting error. local node setup done using docker image of stellar code ...
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1answer
75 views

List of Anchors for Sep31 and SEP24?

Is there a list of anchors available that I can access to see if I'm interested in using any of them? It is proving rather tedious to find anchors through a google search. I am already making API ...
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77 views

Getting exception while establishing Trust Line

I am working on Stellar Python SDK after a year. When I ran my old script I got the error: TypeError: __init__() got an unexpected keyword argument 'opts' The code given below: from stellar_base....
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3answers
551 views

How should the changeTrust Operation be used?

If I want to create a trustline between my issuing account and new users accounts, how do I do this. I tried with this code: const StellarSdk = require('stellar-sdk'); StellarSdk.Network....
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2answers
719 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 ...
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18 views

Error being thrown on Stellar core v18.1.0 and Horizon v2.10.0

Need some help with Stellar Node, as I am running Stellar core v18.1.0 and Horizon v2.10.0, I had this issue in v17 of Stellar and still have it. The issue is that I am getting such errors: Error ...
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1answer
68 views

I wanna my private blockchain network with stellar

I wanna my private blockchain network with stellar but it's not working here is my configure # What port stellar-core listens for commands on. This is for Horizon server. HTTP_PORT=11626 ...
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Horizon - Retrieve circulating supply of an Asset

How can I fetch (if possible) the circulating supply of an asset? Using 'https://horizon.stellar.org/assets?asset_code=yyy&asset_issuer=xxx I obtain the total supply (amount) but I can't see where ...
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39 views

How to fix a stuck stellar node after picking up an incorrect block?

I run two different watcher stellar nodes and they have both gotten stuck after picking up an invalid / incorrect block (i.e. the block hash of my node's top block does not match the block of the same ...
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16 views

How do I query the Horizon server for the CREATION date and time of a Stellar DEX Offer?

I'm using the Javascript Stellar SDK and I'm trying to figure out how to ask Horizon for the creation date and time of an account's SDEX offers. The "Offer" object returned from Horizon only ...
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27 views

How to see "order-book" of a liquidity pool?

I've been watching trading activity on yETH/XLM market today and realized that while the orderbook API (i.e. stream from horizon.stellar.org/order_book) keeps returning order-books with very wide ...
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14 views

What API to use to get metadata of asset issuers?

I am trying to get the metadata (such as organization name, logo) of asset issuers in the Stellar network. What API should I use that could possibly contain this information when I pass the Public Key,...
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149 views

`tx_bad_auth` when submit transaction to TestNet

I submit a transaction to the TestNet by using the official horizon API (https://horizon-testnet.stellar.org/), and it returns tx_bad_auth. This is my code: Server server = new Server("...
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1answer
49 views

How to reserve a transaction sequence number?

I have a multisig account and need to initiate a transaction for set option operation. So prepared a transaction which will be expired in 7 days and within this time all (3 out 3 signers) has to sign ...
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new-hist - Got an exception: Could not open log file ... check access rights

When I try to create a new-hist I get the following error. Does anyone has an idea how I can fix this? TY sudo -u stellar stellar-core --conf /etc/stellar/stellar-core.cfg new-hist local3 2021-11-...
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A problem with my account viewer. Hasn't been used since 2019

"scanning for ledger wallet connection". I've tried all day and it just says this for hours. i haven't accessed my stellar since 2019. any tips for how to get to it now?
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1answer
115 views

stellar horizon docker install error -history-archive-urls must be set when --ingest is set

I'm trying to install stellar core and horizon via docker: and I get this error when start horizon_1 | 2020/05/26 23:50:15 --history-archive-urls must be set when --ingest is set $ docker ps ...
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1answer
62 views

Too many open files from horizon

After sending few request to horizon or running horizon for sometime, getting too many open files:443 error. Then I have restarted the horizon then above error is removed.Is there any configuration I ...
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1answer
87 views

How to setup an anchor in Stellar network using Windows?

While there is a great deal of documentation on installing the packages, however, I couldn't follow it properly to install the stellar-core, horizon and Postgres database in windows. There is not ...
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15 views

Migrate stellar in production

we have horizon, core which running on different EC2 instances and postgres db on RDS. We want migrate this on cluster with 2-4 horizon, 2 core and RDS postgres clusters , how can we do it without ...
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Horizon message

I'm trying to understand the following horizon message: time="2021-09-26T21:15:35.082Z" level=warning msg="could not load stellar-core info: http request errored: Get "http://...
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2answers
37 views

Is there any option to get the price of XLM via python stellar_sdk or API?

For example XLM = $0.3537 now Is there any option or API&SDK script for it? or Do I have get it from other website?
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1answer
31 views

Timeout when submitting tx to the blockchain

I have running stellar core and stellar horizon together. Sometimes (recently even more) I am receiving such a response when trying to push tx to the blockchain. How could I approach this issue or ...
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1answer
20 views

Get payments for an account for an asset

Is there a way to query horizon to get payment operations for an account and for a certain asset?
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1answer
29 views

Account' object has no attribute 'sign_decorated

I am trying to pay 2 tokens and I am getting this error: sig = signer.sign_decorated(tx_hash) AttributeError: 'Account' object has no attribute 'sign_decorated' My code given below: def ...
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0answers
13 views

Can Horizon reconnect to its database on brief network outage?

We run a remote Postgres database on our Horizon instance, and on several occasions we would lose connection to the database server briefly (cause still being investigated). This drops our connection ...
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38 views

Horizon does not commit postgres transaction when ingesting

I have a history of stellar core and horizon databases which we abandoned a year ago. Now we need to catch up with the blockchain. stellar core synched to some height, and Horizon lagging few million ...
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73 views

Error Connecting local Horizon to Stellar Core within Stellar Quickstart Docker Image

I am trying to test out some functionality with the Horizon API server. I have followed the directions listed out here Everything seems to be working fine, but when I get to the "Connect Horizon ...
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39 views

Catching Up Stellar Core Not Completed in a Long Time

I'm trying to run the stellar core and the horizon on my server using stellar/quickstart docker image. It's been a week since I started and it didn't synced. On the configuration file stellar-core.cfg,...
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66 views

Horizon - Ingest historical trade history for pair

Is there a way to ingest data for trade_aggregations for asset pairs instead of needing to ingest all the ledgers into Horizon? I only really care about trade_aggregations on specific pairs and don't ...

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