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0answers
38 views

Unable to get sequence number

I am trying to create a transaction op and I am not being able to get the sequence number. I tried on Stellar lab but it did not work. What's wrong? Below is my code: # print('Transferring fund to {}'...
0
votes
2answers
47 views

Why in the stellar network the price for 1 transaction and 1 operation is not equal to the price for 1 transaction and 100 operation?

Why in the stellar network the price for 1 transaction and 1 operation is not equal to the price for 1 transaction and 100 operation? In 2 case the network load will be less? (if 100 transactions ...
1
vote
2answers
83 views

Why transaction operation “op_malformed”?

As I understand "If one operation is wrong then the whole transaction is wrong" Trying to find the cause 'op_malformed' I already read it "Transaction Malformed" I never found a mistake This is ...
1
vote
1answer
425 views

If one operation is wrong then the whole transaction is wrong

Found such a problem if one operation is wrong then the whole transaction is wrong. ZuluCrypto\StellarSdk\Horizon\Api\PostTransactionResponse Object ( [result:protected] => [rawData:...
1
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0answers
18 views

peer's txhistory table is not updating after making payment

I have successfully set up stellar-core in my private network using a different network passphrase with 3 nodes. When I run stellar-core -c 'info' output says state: Synced!. I have configured one ...
0
votes
3answers
38 views

My stellar-core can't run on the Public

I just want to run a node which can download the public data.my config stellar-core.cfg like this: DATABASE="postgresql://dbname=stellar_core user=stellar password=123456 host=localhost" #配置数据存储路径 ...
-3
votes
4answers
68 views

Example code on Ubuntu+node.js gives error re “await”

Updated: added full code below. I'm trying to run the "Creating a payment transaction" example but the error I get is const account = await server.loadAccount(sourcePublicKey); ^^^^^...
5
votes
3answers
78 views

Why can a MultiSig transaction fail on too many signers?

The doc is clear what happens but has anybody some use cases why this should happen? Once the signature threshold is met if there are any leftover signatures then the transaction is regarded as ...
0
votes
1answer
35 views

Unable to create wallet due to issuer issue

All of sudden I am getting the following error on TestNet. Issuer Address is GCZDLM6KBK7P42JB6ONIZNYXE24G72PWUXLOZBOLE5EEGOC2FUKKIN4R Creating Wallet for User with id 39 ...
3
votes
2answers
39 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?
1
vote
1answer
74 views

tx_bad_seq error when funding the account

I am trying to create a Stellar Standalone network using my own network passphrase. I m able to set up stellar-core and horizon in my private network and it is working fine, I m able to get the root ...
1
vote
2answers
76 views

Should I start with docker quickstart or stellar core? Any difference?

Situation: I am trying to implement a payment network, I guess kind of similar to World Wire, and I am not sure how should I start off. Have yet to use docker before, so I'm a bit overwhelmed by the ...
2
votes
1answer
45 views

DEX and settlement

I have a question regarding the Stellar DEX. My understanding is that the book building and order matching is done by the protocol itself. Orders are placed through APIs such as Stellar X, Stellar ...
4
votes
1answer
35 views

How to handle docker container restarts with persistent data and missing buckets

I have a private network of Stellar core nodes running on docker swarm with the DB and ledger data persisted correctly. When I remove or update the service for maintenance/upgrade of the docker image ...
0
votes
3answers
36 views

How does stellar-notifier work?

I am checking the following repository - https://github.com/orbitlens/stellar-notifier Can anyone explain how this works end-to-end? Few queries: I want a notification on whenever a payment is ...
3
votes
1answer
31 views

Check with simple API request if account has received prior transactions

I want to check if a simple API request if an account has received prior transactions. I know that one has to do a transaction to "initialize the account" but how do I check if it has received any ...
1
vote
1answer
44 views

Friendbot url - Horizon

I am setting up horizon in local for a private network. How to I configure friendbot url? Can anyone please explain working of this?
3
votes
0answers
14 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? ...
1
vote
1answer
25 views

Anyone else seeing an error with stellar-dotnet-sdk (AccountResponse - accountId cannot be null)?

I've been using stellar-dotnet-sdk for months; today, I get an error while trying to instantiate an AccountResponse object. AccountResponse.cs, line 147 (AccountId = accountId ?? throw new ...
1
vote
1answer
28 views

Stellar Test Network - periodically purged?

Today, I noticed some of my test accounts were no longer on the test network (I recreated them via the friendbot). Is there a periodic purging of the test network? Or is there something going on ...
0
votes
1answer
46 views

Is Stellar Laboratory broken? only shows my XLM balance, not my USD balance (logging in with ledger nano)

Ugh. I have 900,000 USD on GCT62JTWDK2AZ4EUHWJKUBAXAHQANPNEKRB6JW555WR2J2EQVFIJYV3Q and stellar lab https://www.stellar.org/account-viewer/#!/dashboard only shows the XLM balance. I tried to send ...
0
votes
1answer
22 views

How to catch specific error code on JS SDK connecting to horizon

I use Javascript SDK to connect to Horizon. It works, but I also would like the specific error if it doesn't work. See my code below. How can I access the specific code returned from horizon (e.g. ...
1
vote
0answers
11 views

Collecting Core metrics

I want to collect core metrics using the /metrics endpoint. However /metrics seems to collect metrics indefinitely, never resetting them. This means that (for example) the "average database.insert....
3
votes
1answer
33 views

Nomination protocol differences between implementation and specification

To get a more intuitive understanding of the SCP I'm trying to implement a generic version of it. For the implementation I'm using 3 references: Stellar-core source code The SCP paper Internet Draft ...
2
votes
1answer
42 views

Recurring payments or subscriptions

I was wondering if there's a good way to setup some kind of scheme with Stellar to implement recurring payments without resorting to e.g. escrow accounts with pre-arranged timed transactions. I've ...
2
votes
1answer
83 views

Partial vs Complete Catchup: what are the differences in terms of security?

Lets assume I power-up a new core and join (as validator) to a network of pre-existing other nodes. In addition, to speed things up, I chose to do a partial catchup from one history archive. Now, ...
1
vote
1answer
15 views

Partial Catch-up on Validator nodes

I'm curious to know what would happen in the following scenario: Suppose I have a network of 7 validator cores of which 4 performed a complete catchup (replay) of history (say a month's worth of ...
1
vote
1answer
44 views

Are transactions validated by anchors, and how are they rewarded?

We have created our own custom token which is currently running on TestNet but will go on to production soon. I have a few questions: Is an anchor specific for a token? Is it true that an anchor for ...
0
votes
1answer
66 views

How to use Stellar to Build International Remittance app

I want to build a money remittance app using stellar as a middleware.If a person sends money how can a receiver withdraw money ?
2
votes
1answer
40 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 "...
1
vote
1answer
61 views

Creating a stellar account and activating it

Sorry for the newbie question... When a user subscribes to my service, I would like to: Create a new stellar account for the subscriber Seed it with 1.5 XLM (to activate it) Create a Trustline and ...
1
vote
1answer
16 views

client_name=undefined client_version=undefined in horizon logs

I have set up a local Horizon instance, version horizon-v0.16.0. I can start horizon, but when I hit the url http://ip:8000 I am getting the following messages in the logs: time="2019-02-25T12:25:...
0
votes
1answer
71 views

Issue while creating account

I have set up a private network with core & horizon, when creating accounts I am getting internal server error. In horizon logs I am getting msg="select failed: pq: relation "signers" does not ...
1
vote
1answer
72 views

Sent transaction with incorrect memo. Now won't deliver

I sent a XLM transaction from blockchain to bitmart but input an incorrect memo when sending. This has caused the transaction to sit in limbo. How can I correct this error so that I can receive my xlm?...
1
vote
1answer
46 views

I'm really confused on the rate limit… Horizon.env has just an hourly rate limit (72000 in docker image). But http headers claim it is 100/sec?

This answer tells me to look at HTTP headers to determine the rate limit. It is 2 values: X-Ratelimit-Limit: 101 which is # per window X-Ratelimit-Reset: 1 which is the winlow size (1 second). But ...
1
vote
1answer
83 views

How do I disable rate limiting on my local Horizon server?

The docker quickstart doesn't tell me how to disable rate limiting. Also, the Go SDK which we are using seems to have a rate limit function as well... I'm guessing that is just enforcing the rate ...
3
votes
1answer
47 views

How can I close a Stellar Account?

According to the Minimum Account Balance information, the account has to have (2 + # of entries) * 0.5) XLM deposited to support transactions. Let's say there is an account with 0 trust lines and 1 ...
1
vote
0answers
17 views

How to properly update stellar-xdr and recreate docker image of stellar-horizon?

I want to increase the memo field from 28 bytes by changing this line in Stellar-transaction.x for my private network: MEMO_TEXT: string text<28>. I am able to pull the stellar-go repo into my ...
1
vote
0answers
20 views

postgres PANI[0000] connect failed: pq: role “root” does not exist pid=13863, postgres v 9.5 - Horizon

Getting below error when trying to connect to postgres (trying to start Horizon) PANI[0000] connect failed: pq: role "root" does not exist pid=13863 panic: (*logrus.Entry) (0xbcb320,0xc4200112c0) ...
3
votes
1answer
54 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: ...
0
votes
1answer
14 views

core binding to localhost instead of ip address

I have setup a stellar core in local. However when I start the core, it binds to local host. How can I bind it to ip address instead?
0
votes
1answer
20 views

Version devel while setting up horizon in local

I am trying to build horizon in local by following https://github.com/stellar/go/blob/master/services/horizon/internal/docs/admin.md The setup is complete. When I do horizon version it say devel. Why?...
1
vote
1answer
39 views

How to correctly generate a transaction sequence number for a private Stellar network?

I am using a private Stellar network with Horizon but struggling to get the first accounts created using the Go SDK. When attempting to create an account using the autosequence option with the client ...
2
votes
1answer
43 views

What is cause of the spike in tx_bad_seq ? Presumably overloaded stellar network

Starting around Feb 15, started seeing huge spike in tx_bad_seq on my kelp server. I was using the public Horizon. You can see from the lines below the massive increase. Presumably this is due to the ...
0
votes
1answer
51 views

Understanding how nodes catch up

I have set up a private network of 4 nodes. Out of 4 nodes I am writing history in one node only. Here is the config of node1: [HISTORY.vs] get="cp /tmp/node1/sweta/history/vs/{0} {1}" put="cp {0} ...
0
votes
1answer
38 views

How stellar prevent DDoS

How stellar prevent DDoS attack from rest API (https://horizon.stellar.org/)
2
votes
0answers
26 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/......
1
vote
1answer
57 views

How is a client determined for rate limiting? Is it some sort of client ID? based on account that pays fees?

https://www.stellar.org/developers/horizon/reference/rate-limiting.html says rate limiting is based on this: In order to provide service stability, Horizon limits the number of requests a client ...
2
votes
2answers
66 views

Are there any publicly available horizon servers or do you always have to run your own private servers?

Stellarbeat.io has a list of hundreds of horizon servers, but if you try to connect to any of them with a simple GET request (like to get account info), it immediately closes the connection. Are they ...
2
votes
1answer
69 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)...

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