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1answer
54 views

How to decode Core DB Account.Signers using the stellar js-sdk

In the recent core v10.3, there is a new base64 encoded column in the accounts table in the core db which replaces the signers table in earlier core versions. How can I decode this column to produce a ...
1
vote
1answer
26 views

Compliance Protocol for B2C

Forgive me if it sounds stupid but I really have to understand.. In my example, we are creating a stable coin on Stellar and the Compliance Protocol seems perfect for transactions between my company ...
1
vote
1answer
40 views

Memo in manageoffer

Can a memo be included in the managerOffer operation. I tried to include a memo in my manageoffer transaction but it did not go thru.
5
votes
2answers
66 views

Huge temporary bucket files created - and then destroyed on all cores. Is this normal?

I'm maintaining a network of Stellar nodes with quite a lot of traffic, for quite some time now (almost half a year). Everything has been quite stable so far, but last week I noticed that all the core ...
1
vote
1answer
34 views

Python: Retrieve Offer_id from a manage offer operation?

I am using the python py-stellar-base to create a new offer operation. To manage the offer in the future I want to be able to retrieve the created offer_id from the completed transaction. builder....
1
vote
1answer
39 views

Could not get test funds on stellar laboratory

{ "type": "https://stellar.org/horizon-errors/https://stellar.org/horizon-errors/transaction_failed", "title": "Transaction Failed", "status": 400, "detail": "The transaction failed when ...
3
votes
1answer
50 views

Network maintenance & maintaining archive

I have set up a private network. I am writing history archive in local server as of now since it is in dev phase. I have noticed that the archive is missing few ledger/bucket as a result of which if ...
3
votes
1answer
53 views

Dynamic Quorum set configuration for master node - Add / Remove Validators

Is it possible to dynamically set / configure validators in a Quorum set? For example I have a Quorum set of 4 nodes say - {A,B,C,D}. Which have equal slice or equal participation. Now, if we would ...
2
votes
1answer
38 views

Can an account hold multiple assets?

Can an account hold multiple assets? If yes, how do transactions get recorded for each asset? If no, should we create multiple accounts, one for each asset?
1
vote
0answers
22 views

stellar-core on CentOS 7 - systemd issue

I run stellar-core on CentOS7. When I run by using command line, everything is fine, and I can create account. However, when I run it on systemd, I always encounter timeout failure The user I ...
1
vote
1answer
36 views

Stellar core log: idle timeout and connectHandler error: Operation aborted

Is this normal? How do I fix? 2019-03-15T19:55:53.368 GDDAN [Ledger INFO] Got consensus: [seq=22945300, prev=a60b85, tx_count=20, sv: [ txH: f5976e, ct: 1552679752, upgrades: [ ] ]] 2019-03-15T19:55:...
1
vote
1answer
33 views

Is there no notion of on-chain deploy on Stellar?

I saw some answers suggesting contracts cannot be published in advance, in contrast to the Ethereum model. Just to clarify: does this mean you do not ever deploy onto the chain itself? So, you ...
3
votes
4answers
55 views

Preventing knock-off assets

I understand from here and here that assets are defined by the unique combination of their asset_code and their asset_issuer. Suppose I am asset_issuer=Steven and I want to issue asset_code=...
1
vote
1answer
29 views

What tool is used for browser interactivity?

The use-case is I would like someone to buy an asset directly on a website, by clicking GUI-buttons and preferring client-side code, rather than asking them to write code or give a server their keys. ...
2
votes
1answer
27 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-...
2
votes
1answer
57 views

How to evaluate trustlines?

I read about trustlines here. But in implementation, how do you make trust decisions, and what can go wrong if you're wrong? In practice: how can you measure whether a counterparty is someone who ...
1
vote
1answer
49 views

Error: XDR Write Error: not an integer while issuing the asset in stellar network

I am trying to issue an asset in stellar using the following code var StellarSdk = require('stellar-sdk'); StellarSdk.Network.useTestNetwork(); var server = new StellarSdk.Server('https://horizon-...
0
votes
1answer
27 views

How to list all unique contracts on the network?

From a study comparing smart contracts on Ethereum and Stellar, there's a point in the study about downloading all contracts: Testing Smart Contracts: Ethereum vs. Stellar The researchers from ...
1
vote
1answer
18 views

How to interpret the output of the assets endpoint

I'm looking to list all unique assets on the network, per this endpoint/sdk. I understand there are interesting public aggregations of this information, such as: https://stellarasset.com/ https://...
0
votes
2answers
36 views

Framework for a hello world application

Really simple question, with presumably involved answer: I'm trying to understand how to make what starts off as a simple hello_world application where I sell the integers "1-2-3..50" to USER=account ...
2
votes
1answer
65 views

How to listening new XLM transaction for multiple accounts

I'm totally new in stellar network. I have experienced create transaction listener for bitcoin and ethereum by listen to every new transaction, if that transaction contain my address it send callback ...
1
vote
0answers
40 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
49 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
99 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
427 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
vote
0answers
20 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
44 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
71 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
38 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
46 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
79 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
80 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
46 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
42 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
42 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
35 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
62 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
17 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
28 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
30 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
53 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
24 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
12 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
36 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
45 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
92 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
16 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
47 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
91 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 ?

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