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3
votes
1answer
35 views

How does a stellar node know that node its communicating with is definitively in or outside its quorum group?

In order for SCP to function properly, a given node has to know that a quorum related message originated from a node in its quorum set. How does this node know for a fact that the message originated ...
0
votes
0answers
10 views

Which uses more server resources, Horizon or Core? And is more CPU or RAM intensive?

Looking for rough estimates on which uses more resources, Horizon or Core and whether either is more CPU or RAM intensive? Thanks.
2
votes
1answer
32 views

Getting an old build and set up stellar core

I want to set up old build (not using docker). If I download the source code, how do i build the core from that? Say I download v10.2.0rc4 from https://github.com/stellar/stellar-core/releases. I ...
0
votes
1answer
90 views

Send payment issue

I am trying to send a payment on stellar testnet. I have already created both accounts using https://friendbot.stellar.org. So both account have a balance. When I am sending payment it is showing "...
2
votes
1answer
50 views

Problem of implementation of Path Payment in a Wallet?

I made a Java implementation of a Path Payment. I created 3 accounts. For example: the first plays the role of issuer. He issued 2 assets (USD, EUR) The second has USD The third, EUR. I created an ...
0
votes
1answer
52 views

Facing issue while syncing nodes when CATCHUP_COMPLETE flag is set to true

I am running a private network with 3 nodes. DUe to some reason I have to stop 3rd node and when I am restarting getting following status again and again: "status" : [ "Catching up: downloading ...
0
votes
2answers
53 views

Issue during Stellar core setup

./stellar-core --genseed command should always generate same seed or it can generate different seed. What is the logic behind executing this command? As per my understanding , it should generate same ...
5
votes
2answers
40 views

Testnet vs Livenet differences for ManageData Op

Is there a difference in cost for ManageData operations on the TestNet vs. on the LiveNet? I believe to observe, that they are free on the testnet, i.e. no XLM is deducted from the source account ...
1
vote
1answer
36 views

(SOLVED) - Error when sending money (C++ QT SDK)

I had this working before (like a week ago) but now I am having issues with sending money to an account. I keep getting this error string "Error transferring https://horizon-testnet.stellar.org/...
1
vote
2answers
23 views

Trades end point not working

Following url has stopped working https://horizon-testnet.stellar.org/order_book/trades?selling_asset_type=native&buying_asset_type=credit_alphanum4&buying_asset_code=FOO&...
1
vote
1answer
40 views

Threshold - Transaction processing meaning?

As per https://www.stellar.org/developers/guides/concepts/multi-sig.html Low security consists of "Transaction processing" (Charging a fee or updating the sequence number for the source account). ...
2
votes
1answer
64 views

History configuration? (404s)

I'm attempting to get a full-history horizon & core setup going, and I'm running into 404s fetching history buckets, with every combination of configurations I've seen on stackexchange and in the ...
4
votes
1answer
27 views

Setting the network interface for core?

it is possible to set the network interface that Core is using? Suppose my host has multiple interfaces, which one is selected?
4
votes
1answer
16 views

Merging account ACCOUNT_MERGE_DEST_FULL error case

I'm trying to understand the different scenarios where merging an account into another one produces an error case. For the most part, it's all pretty straightforward, but I'm struggling to come up ...
5
votes
1answer
30 views

Understanding the flow of stellar with federation server

I have read the guides, check on other places, And I'm still confused about how federation works. Lets say I monitor for deposits from our clients. We generate a unique ID (as a memo) and tell them ...
0
votes
1answer
22 views

Payment to inactive account

I have an app running on Stellar which operates a payment system using XLM. My problem is my app cannot send XLM to an inactive account. Is there any ways for me to get my app to be able to send XLM ...
4
votes
1answer
35 views

Do transactions store information on when they were created?

I'm looking at the XDR definition for transaction and I can't find if there's any info on when a transaction was created. How do I look up date information for a transaction? I want to get some ...
0
votes
1answer
34 views

Create Multiple Trustlines Upon Account Creation

This code successfully creates a new account, and funds it with 5 XLM, but it does not add trust lines to the account. Is it acceptable to chain a changeTrust operation within this transaction? Or do ...
0
votes
3answers
50 views

How to pass in a different config file when running a stellar quickstart docker container?

The Stellar quickstart contains a config file at stellar/core/etc/stellar-core.cfg which it uses by default to start stellar core once the container is first run. How can do a first run of the ...
4
votes
1answer
36 views

Deprecated Commands in Core 10.1.0?

After upgrading to stellar core 10.1.0, it says that some of the commands have been deprecated. Which are those commands, Could someone please help?
0
votes
2answers
31 views

If stellar-core maintains the data, how to view the deleted data

stellar-core will automatic maintenance.Maintenance code:main/Maintainer.cpp. it will delete old data in maintenance process,how to view the deleted data?
0
votes
1answer
27 views

how to transfer XLM from licensed Exchanges to inactive account?

I need to transfer XLM to my own (self created) Account. I have the account generated by Stellar Account Viewer ( https://www.stellar.org/account-viewer/#!/ ) but it seems that account is currently ...
0
votes
1answer
23 views

Get all accounts and sort by balance

How can I get all accounts and sort by the balance? I'd like to build a list of all accounts and then sort them by the balance. I realize the data set would be large, but was thinking maybe via a ...
0
votes
1answer
19 views

How do I just get specific fields when displaying transactions for a given account?

I'm using the Javascript SDK. My objective is to get the last 10 transactions for a given account (which is working), but just show specific fields (such as the amount of lumens, and perhaps the memo),...
0
votes
1answer
36 views

Stellar Blockexplorer API call for looking up exact amount transferred

I am looking for a Stellar Blockexplorer API which lets me look up (given an address and transaction hash) the exact amount in Lumen that was transferred in a transaction as a single string. Example ...
0
votes
1answer
98 views

Receiving ETIMEOUT 104.20.58.10:443 error when request to `horizon.stellar.org`

ETIMEOUT 104.20.58.10:443 I sometime receive this error when request to horizon.stellar.org. What is this error?
2
votes
1answer
60 views

Force transaction to be with memo ID

Because we are exchange we use main account and we generate Id number as a memo that we send to the customer so we will know the transaction was from him. we want to force the customer to add the memo ...
0
votes
1answer
31 views

Main account for our exchange

We need to have main account in order to let our customers to deposit into it. But since stellar does not let you generate account without getting funds into it from an existing account, we do not get ...
3
votes
1answer
66 views

Timeout after 6000ms after submitting a transaction

Whenever I submit a transaction I get a timeout error (after 60 secs). The server is a docker quickstart image in standalone mode. To solve the issue I am have to run the image with -e LOG_LEVEL="...
3
votes
1answer
27 views

How to tell if sequence number has been incremented from transaction post response

Is there a straightforward way to ascertain from the horizon txn post response if the seqno has been incremented? For example, an underfunded operation will cause the seq number to increment, but a ...
0
votes
1answer
45 views

Chaining transactions

Ripple allows to chain transactions of the same account via the AccountTxnId flag. (see https://developers.ripple.com/transaction-common-fields.html#accounttxnid) Is this also possible with Stellar?
4
votes
1answer
53 views

Limiting the size of local buckets on the core

I'm running a core. It's generating a lot of files in its internal bucket (not the history bucket): files that contain the recent-ish history of the blockchain. Is there a way to limit this amount? ...
0
votes
1answer
22 views

Role of Anchors and real peer-to-peer

could You let me know if direct transfers of USD credits from an account of a natural Person to another natural Person in the euro area are possible or do I need an anchor and the transaction needs to ...
3
votes
0answers
31 views

Change stellar quickstart docker from ephemeral to persistent without shutting it down

I made the mistake of running my Stellar instances with the -v "/home/Drew/XCoin:/Drew/XCoin" flags instead of the required -v "/home/Drew/stellar:/opt/stellar"flags that Stellar recommends on the ...
4
votes
0answers
56 views

Stellar-Core won't sync anymore: “Replay failed: mismatched ledger hash”

Stellar-core was running smoothly, then crashed without log entries. Node now fails to catch-up and sync. Logs are complaining about a mismatched ledger hash and I am stuck in an endless loop of ...
1
vote
0answers
75 views

How should one decide how many and which nodes to select in the quorum set when configuring a Stellar Core Node

How should one decide how many and which nodes to select in the quorum set when configuring a Stellar Core Node (in archiver mode)? There is a list of validators in the link below, should all or some ...
3
votes
3answers
57 views

How does Stellar manage to cut the cost of remittances?

Disclaimer: I'm not a developer and just starting to learn Stellar and reading the documentation The way (international) payments work (simplified): When making a purchase on an app, the payment ...
4
votes
1answer
37 views

What are “LedgerEntry objects” and “Asset pairs” in relation to Stellar Core Configuration?

The following is mentioned in the example config but I am wondering what a LedgerEntry object and Asset pair actually are, in this context. # Data layer cache configuration # - ENTRY_CACHE_SIZE ...
2
votes
1answer
36 views

Does Stellar Laboratory query the DB, when it tries to get the Sequence Number?

In Stellar Laboratory, in the Transaction Builder tab, the Transaction Sequence Number is required, there is button which gets the next Sequence Number. Does Stellar Laboratory gets the sequence ...
4
votes
1answer
52 views

Stellar Java Sdk key validation?

In JavaScript SDK we have method isValidEd25519PublicKey for Stellar address validation. But in Java SDK there is no such method. How can I validate Stellar address with Java SDK?
1
vote
1answer
44 views

What is the default inflation destination of my account?

Lets assume I own 10% of all XLM of the network and I want to receive inflation for my XLM. By default this option "inflation destination" is not set on my account. So question is - where does "...
0
votes
1answer
45 views

Issuing new token in an ICO, is there any option to transfer some percentage of tokens to some other stellar account?

How can we achieve the following use case in stellar ICO: When we issue a custom token and distribute the tokens supply for users to buy. For example some user makes a transaction to buys 100 tokens ...
1
vote
2answers
85 views

Using QR code on my stellar account with memo

We are making an exchange so in order to give new customer an address to deposit we give him "generated address", but it is actually a random id that will be used as a memo. Problem is - on other ...
0
votes
1answer
56 views

Getting transactions history for account

I am trying to monitor the transactions for our main account. I am using the laboratory and I see something weird.. I filter it with ascending order to see from start up to now. My question is: From ...
1
vote
2answers
59 views

How much should I pay nodes?

Disclaimer: I'm not a developer and just started venturing the blockchain and Stellar worlds Until this morning, my understanding was that miners get compensated for their work by getting gas/...
0
votes
1answer
63 views

How to extract transaction hash out of XDR using Java Script?

iam having an XDR i want to know the transaction hash before i submit that to stellar. i did this in GO by unmarshal the XDR and used the builder to retrieve the hash. Is there nay way that i can do ...
2
votes
1answer
62 views

Who can become an anchor and how are compliance fields validated?

Am I right understanding that anyone can become an anchor? Let's say, I am an individual or a shell company, or a regular money launderer who wants to conduct some dirty deeds. What stops me from ...
4
votes
2answers
54 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. ...
1
vote
1answer
40 views

Getting error “XDR Write Error: undefined is not a Hyper” when trying to create XDR for custom operation

I am trying to run a forked version of the Stellar-Laboratory, I have forked the js-stellar-base and js-stellar-sdk accordingly, basically what I am trying to do is add a new operation on the ...
5
votes
1answer
167 views

What is the maximum tps achievable by Stellar?

I've read Scalability on Stellar Network. My question is what's the max achievable practical value for tps using today's hardware? You can't just increase the parameters without bound and still expect ...

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