Questions tagged [horizon]

For questions regarding the Horizon API.

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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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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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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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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 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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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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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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31 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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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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25 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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21 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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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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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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63 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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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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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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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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39 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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69 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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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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“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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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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92 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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138 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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59 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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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 ...
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262 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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54 views

Parallel ingestion with Horizon 1.0.0 is not working - second Horizon waits for the first to complete

Document https://github.com/stellar/go/blob/master/services/horizon/internal/docs/admin.md says: To reingest older ledgers (due to a version upgrade) or to ingest ledgers closed by the network before ...
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59 views

How to find a duplicated transaction or operation when receiving op_already_exists

Sometimes our back end is able to create a transaction in the stellar network, but for some instability or bug or unknown problem, discards the transaction hash. When retrying the transaction after ...
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27 views

Duplicate operation in transaction?

I'm having trouble understanding the operations of this transaction: https://horizon.stellar.org/transactions/f06c6a478b0caac5c8b33512100f70c1aa192bee3af7084f2b693df7f75689bd/operations It seems the ...
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41 views

What state is a transaction in after being succesfully posted?

Related to how to trace the state of a transaction after submit? After a transaction has been sent to the Post Transaction endpoint and it returns a successful response: A successful response (i.e....
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46 views

Path payment is taking only 4 hops BUT stellar is mentioning upto 6 hops

Let assets are A,B,C,D,E,F I have created few orders like A->B B->C C->D D->E E->F Now, i have created an order where user1 is selling "F" to a destination user2 and the ...
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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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23 views

Given a public key, is there a way to find the assets issued by the account?

I'd like to know if there is a way to query all the assets of which the account is the issuer.
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2answers
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Horizon returns a 404 error upon querying just-submitted transactions

Upon the successful confirmation of a transaction submission, my app immediately queries the link to the transaction in the response. But I often receive a 404 error from Horizon. Sometimes I get a ...
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1answer
47 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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23 views

How does one use a certain version of Horizon when requesting?

I would like to use the 0.23 version of Horizon in this particular query below. How does one do that? var server = new StellarSdk.Server("https://horizon.stellar.org"); var sourceAsset = new ...
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54 views

strictReceivePaths not the same as strictSendPaths when reversed

I would assume that the strictReceivePaths would be the same as strictSendPaths when reversed. For example, query these: strictReceivePaths: https://horizon.stellar.org/paths/strict-receive?...
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74 views

`pathPaymentStrictSend` transaction produces error `op_under_dest_min` howmuchever the `destMin`

Recreate this transaction on the Stellar laboratory (view XDR to see parameters): AAAAAJ2XxPOBZhImQhYvufkgoiaUvlcAA3oYpZpxw4uO/...
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36 views

Viewing trustlines for authorization required assets from an asset issuer perspective

From an asset holder perspective seeing which trustlines are approved or unapproved for authorization required assets is straightforward - we can see this with the is_authorized boolean on the account ...
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1answer
25 views

How is operation ID calculated?

I am trying to understand how the integer operation ID returned by horizon REST API is calculated. I found this answer which mentions the inputs of the calculation but does not show how to perform ...
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94 views

Connection refused error in Horizon

Launching Horizon with stellar/quickstart docker image: horizon db init --db-url postgres://stellar:123456789@127.0.0.1:5432/core --stellar-core-db-url postgres://stellar:123456789@127.0.0.1:5432/...
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2answers
23 views

How do I return more than 200 entities at a time from Horizon?

I am running my own stellar node and horizon instance. When I try to get over 200 entities at once I get the error curl -X GET "http://localhost:8000/transactions?cursor=&limit=201" { "type": "...
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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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What is the difference between the preconfigured packages and the binaries

We have different options for installing the stellar-core and horizon specially. What is the difference and where shall a new user start to be able to configure a custom anchor?
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60 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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1answer
117 views

Getting up and running with a Stellar-Core and Horizon with a Database

I am new to the Stellar world and wanted to set up a node (Stellar Core, Horizon and a Database) for the first time to run as an anchor. However, I couldn't figure it out from the documentation how to ...
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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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