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3
votes
2answers
112 views

Can we add more fields on stellar?

I was wondering how to add more fields on transactions like the memo field.Is it possible to do so.. How can I do that?
3
votes
1answer
95 views

Nominate --> Prepare --> Commit --> Externalize question

Ok, so I am trying to grok how, if at all, state moves through this setup. Let's say a stellar node receives a transaction from a client that it wants to propose to the network. The node then sends ...
1
vote
2answers
106 views

What is the syntax of the 'tx' (transaction) command, to execute a transaction?

So using docker I started a private Stellar Network by typing in the below command: docker run --rm -it -p "8000:8000" --name stellar stellar/quickstart --standalone Then I opened another terminal ...
-1
votes
1answer
59 views

Dynamic amount of operation

How can I add multiple operations in one transaction using the Go SDK? I am trying to add a dynamic amount of payment operations under 1 transaction and that seems to be not possible in Go as it's ...
1
vote
0answers
103 views

Horizon Error 6

I'm using the iOS SDK to attempt to submit a testnet transaction, but it fails with error 6, which I believe is BAD_AUTH, too few valid signatures/ wrong network. Here is my code: static func ...
0
votes
4answers
118 views

Looking for Stellar Bifrost developers for setting up BiFrost properly

for 2 wks we are experiencing difficulties with setting up BiFrost. We followed the instructions carefully but no one of our team were able to get it running. For no reason the BiFrost servers stopped ...
2
votes
2answers
52 views

How can I set the value of the ID parameter in Compliance API POST :internal_port/send?

How can I set the value of the ID parameter? Hi, I need help. I'm new to Stellar and I'm creating an anchor. When I execute a payment using the bridge and compliance server, I get the following ...
3
votes
3answers
274 views

How to let users decide between transactions

I am building an API that will send out signed transactions to users and allow them to submit the transactions themselves. I am attempting to send a user three different transactions however I would ...
4
votes
1answer
240 views

A complete catchup of the testnet keeps failing on verifying ledger

Trying to perform a full sync on the Stellar testnet using a recent dockerized stellar/quickstart in persistent mode (horizon: v0.13.1, core: v9.2.0, docker: v18.06.0-ce). After around 10 hours the ...
2
votes
1answer
69 views

operation bump sequence status

I am using latest stellar js library. However operation.BumpSequence is failing. Unhandled rejection TypeError: sdk.Operation.BumpSequence is not a function. As per the roadmap, bumpsequence ...
4
votes
1answer
61 views

Is Horizon semi-centralized?

While anyone can host a Horizon server, is this considered a semi-centralized entry point because the primary REST endpoint for most clients will be through Stellar's own horizon.stellar.com? Are ...
2
votes
1answer
112 views

Upgrading core protocol version (docker quickstart, standalone)

I built the v10 docker image and launched it exposing the HTTP port for core. docker build -f Dockerfile.testing -t stellar:v10 . docker run --rm -it -p "5432:5432" -p "8000:8000" -p "11626:11626" \ ...
3
votes
1answer
46 views

Error when including 2 deps that both have stellar-base as a subdependency

When I include both stellar-hd-wallet and stellar-sdk in my project I get errors when requiring them both as stellar-base is included twice which also imports the generated XDR types twice causing the ...
4
votes
1answer
155 views

Is it possible to submit transactions to Stellar Core directly without Horizon?

Is it possible to submit transactions to Stellar Core directly without Horizon? Or do you need to use Horizon for all interactions with the Stellar network?
3
votes
1answer
110 views

Is a payment returned through horizon api call: “Payments for Account” always “confirmed”?

Is a payment returned through horizon api call: "Payments for Account" always "confirmed"? In comparison to Ripple a transaction could be returned but not validated yet. Is Horizon filtering this out ...
5
votes
1answer
53 views

Asset with limited inflation

Is it possible to set inflation for a custom asset once it has been locked up from issuing new tokens? I see it is possible to create future transactions, but if the Asset is locked from creating new ...
7
votes
2answers
350 views

Lost ledger data: what is the proper way to shutdown and restart a node?

I had to restart Docker Engine, and I stopped the services by attaching to the container and issuing ctrl+c. It was in the process of downloading ledger files, and I thought that it would pick up from ...
2
votes
2answers
368 views

How should the changeTrust Operation be used?

If I want to create a trustline between my issuing account and new users accounts, how do I do this. I tried with this code: const StellarSdk = require('stellar-sdk'); StellarSdk.Network....
5
votes
1answer
65 views

How a new node trusts another node in the network

Let's assume that a new node joined in the network.As per the SCP how this new node trusts another node in the network? Does this happens by exchanging messages between other nodes in the network ? ...
3
votes
1answer
60 views

KELP cannot find package…build failed

When I'm trying to build the binaries using: ./scripts/build.sh I have this error:
4
votes
1answer
96 views

How to use the Stellar SDK API Reference?

I am trying to understand how the API reference is meant to be used. For example I want to see how to set up a trust line for an account using the changeTrust() operation. I went to the API ...
4
votes
2answers
100 views

Federation Database Setup

I plan on maintaining a stellar account for each customer. My newbie questions: Are you supposed to store the public key of each user in the DB along with their friendly_ids? (doesn't this present a ...
4
votes
3answers
713 views

How to get status of historical ledgers synced after setting CATCHUP_COMPLETE=true

I had problems getting the node to resync all past ledgers and had to start from scratch. I can see that stellar-core is writing ledgers to disk, but I'm not sure how to check the status of it, or ...
2
votes
1answer
55 views

How the transaction history of an account including the amounts sent/received in the transaction be viewed using horizon?

By checking transactions using something like: https://horizon-testnet.stellar.org/accounts/GBMTGMQXBXZS5XJROQQOZB7TU4ACBIXTJJEG7WTXP4ZEARPGQGDWHWIS/transactions?order=desc&limit=100 I get JSON ...
3
votes
2answers
112 views

Problems creating a payment

I'm using the stellar lab to create a token. https://medium.com/@ashisherc/create-an-ico-on-stellar-network-with-custom-token-7b6aab349f33 When I get to the step to issue the token, I try to create a ...
7
votes
1answer
219 views

Testing Stellar for high volume of operations per second

I'm testing Stellar for a project where we want to be able to get ~4000 operations per second. Multiple sources ( including this question's answer: Scalability on Stellar network ) indicate that I ...
6
votes
1answer
131 views

Why is XLM considered to be the most liquid asset on the stellar network?

I sometimes encounter statements like "XLM is the most liquid asset on the stellar network" or "XLM has trading pairs with all other assets on the network", etc. Is there something in the protocol ...
2
votes
1answer
55 views

Horizon import failed (Integer type error?)

I configured a custom docker-compose with Postgres, Stellar Core and Horizon as seperate services. Core and Horizon are running and are responsive via HTTP. Stellar-Core is running on Livenet and is ...
3
votes
2answers
152 views

create a stellar application without installing stellar core in local system

I want to create a stellar application which will have these functionality Account creation XLM Balance checking Doing Transaction XLM Receive notification I have read stellar documenation https://...
6
votes
1answer
495 views

Help - why can’t I synch stellar core?

I am using the latest packaged binaries for Ubuntu - and running Stellar core (not the quick start) - with a connection to a PostgreSQL database. Two questions - 1) How long does it typically take ...
6
votes
1answer
88 views

minTime must be >= maxTime ? Java SDK

I'm trying to add a simple time bounds with the Java SDK to settle a transaction happening at a certain time. Code used : Instant unlockDate = Instant.now().plusSeconds(60 * 2); TimeBounds ...
3
votes
1answer
214 views

Is it possible to make a request to an account other than “Friendbot” to receive Lumens?

From the documentation you can make a request using Javascript to the "Friendbot" to receive test Lumens for an account: // The SDK does not have tools for creating test accounts, so you'll have to //...
5
votes
1answer
195 views

Pruning and keeping disk usage low

Does the Stellar network have the concept of pruning? If so, how do I go about configuring it? I am running a node for development purposes but don't want the database and disk usage to become larger ...
4
votes
1answer
166 views

How do you use the stellar quickstart without docker?

It says "The easiest way to install Horizon is by using stellar/quickstart docker image." But I can't run the "docker pull" command without docker. I went to download docker from their site and ...
5
votes
1answer
131 views

How does a node discover the quorums that it is in?

In order for a node to determine that a ledger has been confirmed, it needs to know that a proportion of other nodes in one of its quorum has accepted the ledger. In order to determine which nodes ...
1
vote
2answers
73 views

How Do I “distribute” multiple times?

I can create 500,000,000 (5 hundred million) tokens. I want to release 2,000,000 and put on SDEX (and other XLM exchanges). Then, once sold, do a Pre-ICO and distribute 100,000,000 for this sale. ...
2
votes
2answers
139 views

Is there a minimal implementation of Stellar Consensus Protocol besides stellar-core?

I'm learning about consensus and I'd like to explore SCP in depth. However, the stellar-core implementation is difficult for a newcomer to grok. Is there a minimal SCP implementation elsewhere I can ...
5
votes
2answers
88 views

Testnet vs Livenet addresses

Whats the difference between testnet and livenet addresses ? Similar to bitcoin does stellar has different address scheme for testnet ?
5
votes
1answer
44 views

SCP. Does non-intersecting quorums have different ledgers?

As I understand "slot" = ledger number, "value" = set of transaction. So сould you explain what happens when I(simple node with quorum slice) create a transaction ? 1) Do all nodes in stellar-...
1
vote
2answers
146 views

How many Lumens would I have to get in order to create a custom token?

I am currently working on creating a custom token on the Stellar network. Like here: https://medium.com/python-pandemonium/how-to-create-a-custom-token-on-stellar-network-in-python-abf8b2f7a6f8 I ...
4
votes
1answer
51 views

Notify every new ledger

How I can get notify (like newblockinfo in bitcoin or getlastblock in ethereum or bitcoin) on new ledger in blockchain with go-sdk
2
votes
2answers
153 views

How do I get the public keys from a transaction javascript

I am developing a site as college project and I cannot seem to understand how to implement StrKey to get the public key from a transaction. I can decode the xdr but cannot seem to understand how to ...
4
votes
1answer
117 views

Federation server installer

I am trying to figure out how to install/set up federation server, but when I go here https://github.com/stellar/go/tree/master/services/federation and click on the prebuilt binaries link it will take ...
5
votes
1answer
652 views

How is an asset verified?

I have created a Stellar asset by following the steps in Custom Assets. I can successfully trade the asset on StellarPort.io even though it is not "verified". However, the asset does not even appear ...
6
votes
2answers
268 views

Trusting non-native asset distribution

If two non-issuing accounts, x and y, want to share an asset, must they trust the asset issuing account, a? Or can a trust line be created between x, y and a distribution account, b? My (current) ...
2
votes
2answers
313 views

Get the operation record of a payment

Using the javascript sdk, I'm sending a payment like so: const operation = Operation.payment({ destination: toAddress, asset: asset, amount: amount.toString() }); const account = await ...
3
votes
2answers
66 views

Is it possible to retrieve last N transactions or all transactions since a given timestamp?

The dapp I'm building can not rely on the paging mechanism described here, since after a short amount of time I will have a lot of transactions for a given account. Retrieving them all to only select ...
2
votes
1answer
139 views

Secured ways to check if a node is up working?

To monitor nodes' healthiness, there are tools for Bitcoin and Ethereum (e.g. https://github.com/cubedro/eth-net-intelligence-api). Some of them are tools that sends heartbeats representing an ...
3
votes
1answer
88 views

Effects of a stellar-core node running on too slow hardware?

What are the effects of running a stellar-core node on slow/weak hardware, e.g. not meeting stellar-core hw requirements? Does that create a problem for consensus? If so, are only those affected, ...
1
vote
2answers
1k views

How can I validate a Stellar address?

I am currently only checking if the address is 56 chars long an if it is alphanumeric. Is there a checksum in an address to verify it. Are there any other rules ?

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