Questions tagged [horizon]

For questions regarding the Horizon API.

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7 views

How to reopen transaction builder after passing transaction JSON

Can anyone help me understand how to "reopen" a transaction object to add more operations? If given a partially built transaction JSON (has 1 operation but isn't signed) - how do I get back ...
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2answers
663 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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1answer
20 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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1answer
34 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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What are the Horizon 2.0 PostgreSQL settings required to vacuum the DB regularly

Need guidelines on how to best manage the size of the horizon captive-core postrgesql DB. We're currently at 1TB of disk for horizon DB only ingesting ledgers from June 2020.
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1answer
21 views

Horizon v2.0.0 config with Captive Core for pubnet is any example?

I need setup a node for pubnet(mainnet) network watching node https://github.com/stellar/go/blob/master/services/horizon/internal/docs/captive_core.md#configure-captive-core is only testnet config and ...
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46 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 ...
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1answer
28 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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1answer
27 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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1answer
49 views

captive core does not work

I want to use the captive core of stellar-horizon v2.0.0, but the following command does not work. Instance is building a new. As far as I read the docs, I don't think it will make http requests to ...
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1answer
87 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
32 views

Are lumens required for a custom network?

New to Stellar so forgive me if this is not the smartest question, but are real lumens still required on a custom network? I would like to use the stellar blockchain for "transaction" ...
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Is there Prometheus Exporter available for Stellar Horizon? I am getting 404 error while accessing https://horizon-testnet.stellar.org/metrics

I see Prometheus Exporters are available for Stellar Core and Postgres. However couldn't find one for Stellar Horizon. I was reading this link https://developers.stellar.org/docs/run-api-server/...
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1answer
80 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
48 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
61 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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0answers
35 views

Docker quickstart - Error ingesting history archive: ledger does not exists

I'm trying to run the quickstart docker tutorial but I am getting a 503 still ingesting when access the accounts/ACCOUNT_ID on my localhost:8000 (horizon). Looking over my horizon logs I keep ...
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25 views

Stellar Private Network: Waiting for ledger to be available in stellar-core

I have launched Private Network by tutorial https://github.com/stellar/packages#sdf---packages and published full validators. I can't understand where my mistake and why I see ledger version = 0 ...
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2answers
127 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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1answer
173 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
45 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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1answer
176 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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65 views

What is the correct way of preventing transaction duplication?

We faced the problem when horizonclient returned errors while sending an envelope but transaction has been created. Please bash my thoughts and tell me where I'm wrong and how you do that. The process ...
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38 views

stellar-horizon db size

maybe someone could help me. I have a node with the config below: CATCHUP_RECENT=362880 # approximately 3 weeks (5sec per ledger closing) - stellar HISTORY_RETENTION_COUNT=362880 # ...
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1answer
32 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
122 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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2answers
82 views

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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1answer
53 views

How long is a keypair valid until an account is funded and created?

The documentation says: Stellar requires accounts to hold a minimum balance of 1 XLM before they actually exist. Until it gets a bit of funding, your keypair doesn’t warrant space on the ledger. How ...
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1answer
209 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
51 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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2 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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1answer
29 views

How to configure native currency in a private network

I would like to know how we can configure the native currency in a private network? I would like: Change the name of the native currency Change the number of native currency created in the first ...
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17 views

Balance of Stellar at some point in time

I'd like to know about balance of Stellar address at some point in time. However, it's not going very well. So, please give me some advices or comments about how to do that. Now, I'm using horizon ...
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14 views

xff.Handler() does not exist

go version go1.14.6 When installing or running horizon I receive an error: # github.com/stellar/go/services/horizon/internal/httpx github.com/stellar/go/services/horizon/internal/httpx/router.go:77:8: ...
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21 views

Full ledgers for Horizon

I'm trying to launch horizon with full history from 1 ledger. How I can do it? stellar testnet config: HTTP_PORT=11626 PUBLIC_HTTP_PORT=true LOG_FILE_PATH="" NETWORK_PASSPHRASE="Test ...
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1answer
43 views

How to pull memo from a public key's historical transactions and save to an array?

Using Stellar's Javascript SDK Goal Output an array containing all the memos: ['324567567', 'anotherMemo', '239210923', '2349028509'] This array will be used to check against a database and ...
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19 views

Problem upgrading stellar-horizon

I'm trying to upgrade stellar-horizon according to the instructions here https://github.com/stellar/packages/blob/master/docs/upgrading.md However, after running "stellar-horizon-cmd db reingest&...
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20 views

Making a horizon account request with http_request?

I am trying to make a request for account data using stellar-core's boost/asio HttpClient. //https://horizon.stellar.org/accounts/GALAXYVOIDAOPZTDLHILAJQKCVVFMD4IKLXLSZV5YHO7VY74IWZILUTO std::string ...
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33 views

horizon ingest_latest_ledger doesn't update

I just run a new horizon instance. The horizon instance with Ingest=true is running this command: horizon db reingest range 1 latest && horizon serve I can see the history_latest_ledger ...
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36 views

Stellar core Bad ledger-header history entry: claimed ledger

Stellar Core v13 stopped validating a few days ago. Unfortunately, I don't have the old logs anymore so I don't know what happened exactly. I can see there's an error in the core logs: 2020-06-08T17:...
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7 views

Is it possible to execute a trade with amount 0?

Today I found a trade with "base_amount": "0.0000000" when browsing recent trades through Horizon API: https://horizon.stellar.org/trades?offer_id=226428548 At first I thought it could be Horizon bug ...
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55 views

“ingest_latest_ledger” and “history_latest_ledger” freezes, though “core_latest_ledger” increases

I am using "docker-stellar-core-horizon" on Ubuntu-18.04, RAM -16GB (I have also tried the entire thing on CentOS-7, please provide a solution that works for both Ubuntu and CentOS). Docker version- ...
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0answers
30 views

I can not streaming trade from Horizon Server

I have setup one instance running Store core and Horizon (with ingest=true). This is Core node. One instance running Horizon server (with ingest=false). This is Horizon node. I can run streaming ...
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1answer
108 views

horizon ingest the historical data

I'm running a new horizon v1.2 with ingest=true. It is connected to the stellar core with CATCHUP_COMPELTE enabled. (the status of the core is catching up 5%) My question is what is the command to ...
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1answer
175 views

Horizon reingest not working

I do run horizon db reingest range 6500 7104 in order to pull some missing entries to my validator. I run into this error: INFO[2020-05-04T15:52:55.425Z] Ingestion system initial state ...
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1answer
61 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 ...
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0answers
16 views

How to creating anchors for crypto currencies and mapping the native deposit addresses

Actually I want to create a crypto currency wallet using stellar anchors. I do not want to run a dedicated node for any crypto coin and also not want to depend on any 3rd party service that's why I ...
2
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1answer
297 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 ...
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1answer
117 views

Run core with catchup complete

I have a new stellar core instance with CATCHUP COMPLETE true and one stellar horizon instance with INGEST true. I'm totally new with stellar. I've started the core node and it's catching up the data....
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1answer
98 views

How to provide password when running horizon db migrate up command inside docker container?

I have issues with horizon, when inside the docker container I run horizon db clear and I get the output There are 18 migrations to apply in the "up" direction. ... 2019/06/20 10:44:26 A database ...

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