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25 views

Full LCL error when running private nodes

I have set up a private Network by three Nodes. After running sometime, showing below message from Node2. 2019-05-27T09:49:55.006 GCTXZ [Ledger ERROR] Full LCL: { hash = ...
0
votes
0answers
26 views

Lumens are Locked

My XLM holdings can't be moved from the Stellar wallet, to an exchange wallet. I've been trying to move various amounts for weeks. The recipient address is definitely correct, I'm using the correct ...
14
votes
1answer
337 views

How to set inflation for tokens?

I'd like to create a Stellar token and would like to use it as shares for a startup I'm working on so the whole idea is to reward early investors in the ICO with a fixed yearly dividend so inflation ...
0
votes
1answer
62 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 ...
0
votes
1answer
52 views

Submit transaction in Node js Error 400

I initiated a small node js project in which I installed the sdk module in order to communicate with horizon and try out some things, I am following this page from the docs. However I getting an ...
0
votes
1answer
58 views

Testing custom asset with trustlines that must be allowed - can't send tokens from distribution account

I am trying to test the creation of a custom asset - with trustlines that must be authorized by the issuer. My issuing account (GDQMWZ7XBRY55BU4XQ7FZXFBCUXA2YU2KGPQ7JFZOU3ACXR2ARJAAS36) has ...
2
votes
2answers
159 views

Can we encrypt stellar memo text with receiver's public key and sender's private key?

I was trying to figure out a way to encrypt a small payload in a transaction memo to anonymize the memo id without having to store anything on the server. So can anyone help me to encrypt the memo ...
2
votes
4answers
99 views

Channel concept in stellar

I can't understand the channel concept. How does channel keep transactions' order? Is there a channel account for a special operation or any channel account can do any operation?
1
vote
2answers
30 views

How does “accept all assets” federated address in Lobstr work?

in the web interface for lobstr, they tell to to use this federated address for receiving any asset, even if you don't have a trustline. I thought that's impossible. How is that done? I thought I ...
1
vote
0answers
19 views

Why is the /paths endpoint on my custom Horizon deployment abnormally slow?

I was wondering if anyone has an idea what could be causing our Horizon (0.17.6) /paths endpoint to be extremely slow. A simple query takes 1m22s on our custom deployment. On public SDF Horizon the ...
0
votes
0answers
16 views

When to accept different value than voted

In the whitepaper it is stated that a node v accepts a statement a iff either: (1) There exists a quorum U such that v is in U and each member of U either voted for a or claims to accept a. or (2) ...
0
votes
1answer
37 views

I need help I forgot the memo [duplicate]

I accidentally sent my stellar from my blockchain wallet to binance and in the process forgot to put the stellar memo is there anyway to retrieve the funds, what happened to the funds / where do they ...
1
vote
1answer
19 views

How to solve “op_cant_change”?

I set authorization immutable flag to be true. Then I got "op_cant_change". How can I set it to be false again?
0
votes
1answer
24 views

Inflation Destination or public address [duplicate]

Why do I have an inflation destination and a public address in my stellarport account. How can I tell if I've received any staking rewards? Thank you!
0
votes
1answer
22 views

Inflation destination address

Why do I have an inflation destination address and a public address? What is the purpose of each? Where do I find my inflation destination staking rewards?
0
votes
1answer
22 views

Bridge Message: Asset not allowed

May 17 15:48:02 bridge[20257]: time="2019-05-17T15:48:02+08:00" level=info msg="New received payment" id=1626714568404993 service=PaymentListener May 17 15:48:02 bridge[20257]: time="2019-05-17T15:...
2
votes
1answer
29 views

Why Does Stellar Support Authorization-Required Assets?

Are there some common use cases that were anticipated when deciding to support assets that require authorization in order to set up a trust line?
0
votes
1answer
16 views

Stellar_core_commander: Getting an exception trying to run “scc -r base.rb”

Stellar's utility ("Stellar_Core_Commander") is a tool used to deterministically create snapshots of the SQL DB by running a set of stellar operations. Its written in ruby. To run it, you need to ...
2
votes
1answer
49 views

Subscribing to incoming transaction does not work

paymentsRequest.stream(new EventListener<OperationResponse>() { @Override public void onEvent(OperationResponse payment) { System.out.println("TEST TEST TEST"); This ...
3
votes
1answer
52 views

Why horizon cursors are so obfuscated?

I wonder if there is any system in values for stellar horizon cursors. I tried to ask testnet horizon for ledgers, starting from https://horizon-testnet.stellar.org/ledgers/ and then pressing next ...
2
votes
1answer
23 views

Is all the history of ledgers required for consensus?

In Bitcoin when a validator (miner) decides to join the consensus process, the history of all blocks must be downloaded. Is this concept the same in Stellar? We have encountered a scenario where one ...
0
votes
0answers
21 views

Algorithm to find quorum

Given a set of nodes with information about how the note voted/accepted and their quorum slices and my quorum slices. How can I efficiently determine a quorum? Is there any special algorithm used? ...
1
vote
1answer
21 views

How to send Lumens to an uninitialised stellar address pragmatically

I am new to stellar so please bear with my question if it sounds too basic. So, using the stellar laboratory, I created two accounts lets name 1 and 2. I funded the 1st account with test-net coins ...
2
votes
1answer
56 views

Stellar scalability to 4000 tx/s

I tried to scale Stellar Standalone to process 4000 tx per second. I use AWS EC2 m4.large for Core, and Horizon. Also I use Postgres RDS for core and Horrizon, but I have only 560 tx per second. My ...
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
36 views

Publishing history to new history archive results in error of loading history state

I keep getting the [History ERROR] Error loading history state: rapidjson internal assertion failure: IsObject() when trying to publish the state of a recently added node to it's recently initialized ...
3
votes
1answer
31 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 ...
4
votes
1answer
60 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
0answers
22 views

Trying to increase integer value of total coins for root account

i have changed the earlier values of total coins by adding 1 more zero. const uint64_t LedgerManager::GENESIS_LEDGER_TOTAL_COINS = 10000000000000000000 # if __WORDSIZE == 64 typedef long long int ...
0
votes
1answer
68 views

How to configure Full Validator node?

The docs state to set the validator env var, which I did, but how do I specify that I want to run a full validator and not just a basic one? NODE_IS_VALIDATOR=true What other settings are required? ...
2
votes
1answer
37 views

Why doesn't bump sequence affect the sequence number of the transaction it's included in?

Assume the sequence number of an account on the ledger is 5. An incoming transaction contains a bump sequence operation, to bump to 10. The sequence number to be included in the transaction should be ...
1
vote
2answers
36 views

Using SDF's Horizon server for Production Systems

I know SDF provides a public Horizon server too. My question from those who are using for their production apps, is it reliable enough or would you suggest running your own Horizon server?
1
vote
0answers
50 views

Troubles Setting up Private Stellar Network

I am trying to setup a stellar private network for experimentation purposes. Unfortunately, no matter what i do, the nodes end up not being able to sync up. Mostly, as soon as I change the network ...
3
votes
1answer
34 views

How to changing port on stellarterm?

I installed Stellar term on my own server but the default port is 3001 and i want to change that, How can i change the ports in my own Stellar term?
1
vote
1answer
13 views

the history-stale-threshold flag - what exactly happens when history is stale?

A recent(ish?) addition to the horizon configuration is the viper.BindEnv("history-stale-threshold", "HISTORY_STALE_THRESHOLD") the doc says: "the maximum number of ledgers the history db is ...
4
votes
2answers
99 views

Encrypt with Public Key and decrypt with Private Key using elliptic-curve cryptography

Is it possible to perform public key encryption flow for elliptic-curve cryptography? https://en.wikipedia.org/wiki/Public-key_cryptography I need to implement the following scenario: Alice ...
0
votes
1answer
45 views

horizon orderbook calls using py-stellar-base

I hope this is the correct place. I am an amateur programmer and attempting to build a portfolio manager-type program on the Stellar Network. Right now I'm trying to call and parse Stellar network ...
-1
votes
1answer
21 views

Technical Consulting [closed]

Our team create cryptocurrency exchange with stellar's blockchain We have some improvements which we can implement and create pool requests to your public Stellar GitHub. During our investigation, we ...
1
vote
1answer
38 views

Cannot send hashed data through ManageDataOperation

I am trying to send a data hashed using SCryptUtil provided by com.lambdaworks.crypto.SCryptUtil, convert it into array of bytes and send it to the stellar network using ManageDataOperation.Builder ...
-1
votes
1answer
20 views

Friendbot bad request (400) invalid_field: “addr”

I am trying to create an account on the stellar Test Network. But whenever I make a request and pass in the public key, I always get this error: I am using the Javascript documentation from here
0
votes
0answers
10 views

History isnt published during catchup, why?

I noticed that stellar-core does not publish history during catchup. It only publishes history once its actually synced. I'm wondering why this is the case. What's the reasoning behind this? I'm ...
0
votes
0answers
38 views

Made few changes in stellar core file. Saved it but cannot see the changes in the new transactions i am performing

I have made certain changes in LedgerManagerImpl.cpp file under src-> ledger folder on line approx 68-72 const uint32_t LedgerManager::GENESIS_LEDGER_BASE_FEE = 50; const uint32_t LedgerManager::...
3
votes
2answers
175 views

How can I configure horizon to download and retain the entire history and never delete it?

When using the stellar/quickstart docker image, how can I configure horizon (stellar-core?) to download and retain the entire history and never delete it? By default it seems to only download the last ...
11
votes
1answer
101 views

Info on metrics

Is there any documentation as to what each of the metrics outputted by stellar-core -c metrics means? In particular, I'm interested in determining the number of transactions reviewed by a particular ...
-1
votes
1answer
16 views

YAML Configuration Template Issue

So I was going from this nebula package config for AWS that was created, but I was trying to POC what the prod version of the configs for this would look like. I am not that verbose with YAML and am ...
0
votes
1answer
49 views

XLM to USD Path Payment - is 'op_too_few_offers' due to me being on Testnet?

My objective is to create a path payment, to pay from one funded testnet account to another. A code snippet is below (Can't include the whole function, I guess because it exceeds stack exchange code ...
0
votes
1answer
53 views

Fork stellar to create a new blockchain

I want to fork stellar and make a new blockchain, 1) how should I proceed? step by step. 2) how to keep that blockchain running. 3) what should I know before doing this. 4) Please refer to any ...
1
vote
1answer
29 views

Received an update from the Ledger team regarding Stellar withdrawl, they are claiming it is an issue with the Stellar network? Can anyone help?

I recently posted a request for assistance on reddit and here regarding trying to move XLM via my ledger blue and the Stellar Dashboard. After much back and forth with people here, and on other ...
5
votes
1answer
230 views

Is it possible to create a private stellar network without transactions fees?

I am trying to create a private stellar network that is not geared towards financial transactions. So transactions fees would not make sense. I would like new block to be created without any fees. ...
2
votes
2answers
278 views

How to verify a Transaction?

I sent a signed transaction through the internet to a cloud function that needs to verify that the signer is the valid one. My code: const bHMainKeys = Keypair.fromSecret(privateKey) if (...

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