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1answer
144 views

Stellar failure safety with UNSAFE_QUORUM false

Stellar failure safety is defined as n = 3f+1 <=> f = (n-1)/3 n is number of node and f is failure safety. I have setup 3 nodes with my quorum and THRESHOLD_PERCENT=67 but it is not ...
4
votes
3answers
222 views

Bonds on Stellar

A couple of years ago Jed wrote about the possibility of using Stellar to issue Bonds (http://jedmccaleb.com/blog/bonds-on-stellar/). The example is clear, however I would like to know what is the ...
2
votes
1answer
117 views

How does the Stellar Network prevent an actor with small quorum intersection from halting the network

I am thinking through some of the edge cases of adversaries attempting to compromise the Stellar Network. Let's say an adversary creates four consensus bearing Stellar-core nodes and runs all four of ...
1
vote
2answers
170 views

What is the proper way to use federated addresses to send funds?

Stellar Docs are great, but I feel they miss the content for bringing all the servers together. If an entity is acting as a custodian on behalf of their users and uses a Hot/Cold wallet architecture ...
2
votes
1answer
63 views

How can I direct stellar laboratory to my own instance of horizon?

I cloned the stellar laboratory project and edited the /src/constants/networks.js file to switch the testnet horizon url to url of my own horizon instance. This allowed me to get requests such as ...
1
vote
1answer
144 views

When issuing a new verified asset is there anything beyond hosting a stellar.toml file I should be sure to do?

I making some development plans and just want to be sure I'm not missing anything obvious. I've read this post How is an asset verified? So far, my intention is to list a new asset and have it ...
4
votes
1answer
114 views

Getting the 'offerId' on a new Offer and any documentation on 'xdr.ManageOfferOp'?

I'm using the JS-SDK to make offers. An issue I am having though is getting the offerId from a new offer. The offerId is required to manage a pre-existing offer. As such, it seems that the offerId ...
2
votes
1answer
83 views

Balance of sender is not updating when send custom assets to receiver

I'm developing a remittance system around Stellar and we generated our own custom assets of type credit_alphanum4. Now the issue is, when we send payments using these custom assets to destination ...
4
votes
1answer
98 views

Bifrost is not detecting incoming transaction

i have succesfully setup bifrost and geth on my pc. And now i'm trying to simulate ICO using bifrost-js-sdk example.html, by sending some ropsten ETH to address provided. But it seems that there's no ...
3
votes
1answer
63 views

Can different assets on Stellar be associated with one another programmatically?

Stablecoins would be great to have in stellar, but I am struggling to see how one could create an automated seignorage shares model for creating a stable coin on the Stellar Network. Is there a way ...
1
vote
0answers
35 views

Bonds on Stellar, can we make a use case? [duplicate]

Assume I create an asset on Stellar: It's a 5 year bond that pays annual interest of 3%. The asset has an ISIN code and will be distributed to around 20 investors. The investor should be able to sell ...
2
votes
1answer
128 views

How should federation servers find each other?

In the architecture for supporting friendly name lookups, the federation docs use tunde_adebayo*your_org.com as the example of the friendly name followed by the url for the server containing the user. ...
3
votes
1answer
493 views

Pre-authorized Transaction

I would like to create a simple escrow account with two preauthorized timebound transactions, but not sure how to approach the problem. I am fairly new to Stellar, so correct me if I am wrong. I ...
1
vote
2answers
285 views

How/where can I host a stellar-core watcher node outside of local?

I've recently gotten a stellar-core watcher node up on my local machine and built another separate console application to interact with the database. The database itself is hosted with Amazon RDS. The ...
3
votes
2answers
246 views

What does it mean with “surge pricing in effect” at Stellar-Core?

As I tested my private network by flooding transaction (around 60TPS) via Horizon using JS-sdk, SCP errored. The only abnormalty that I observed was: [Herder WARNING] surge pricing in effect! 142 ...
1
vote
1answer
42 views

How might an estimate of the Stellar network's energy consumption be measured and monitored?

I'd like to estimate the emissions footprint of the Stellar network in an effort to compare various networks with one another. I realize this can a complex calculation depending upon where one starts ...
2
votes
1answer
128 views

preAuthTx - matching transactions

I have few doubts regarding pre authorized transaction As per the tutorial "Signers of this type are automatically removed from the account when a matching transaction is properly applied". What ...
2
votes
1answer
75 views

Issue with Submit Transaction

Am using Java SDK and Horizon Testnet. Issue is when i submit a transaction using server.submitTransaction method i get following exception, please let me know if you need any more information javax....
12
votes
2answers
861 views

How does the Stellar Consensus Protocol prevent Sybil attacks?

A Sybil attack is an attack where a single adversary controls multiple nodes on a network in order to influence voting to their advantage. It is unknown to the rest of the network that the nodes are ...
6
votes
2answers
87 views

How to add a rate of new token creation per year? [duplicate]

Is there a way to create a token with a fixed 2% annual rate of new token creation on Stellar ? Thanks How to create a token on the stellar network?
3
votes
2answers
327 views

Maximum supply of an Asset

When minting new Assets on the Stellar blockchain, is there any way to specify the maximum supply? I'd like to achieve the same effect as an ERC20 where the total supply is fixed by the initial ...
1
vote
1answer
66 views

Order doesn't match in Stellar

I created an asset (MCoin) on Stellar test-net. I made a sell-offer of 200 MCoin in exchange for XLM and then an offer of buying 200 MCoin for XLM. But ther orders didn't match. Here is the script I ...
1
vote
1answer
235 views

How do I see trustline subentries in an account?

Are trustline sub entries about trustline created to asset issued by my account or the trustline I have created to other assets of different accounts?
0
votes
1answer
186 views

Making offer gives error: TypeError: opts.selling.toXDRObject is not a function

I was trying to make buy offer for a newly created asset (MCoin). I am getting error: TypeError: opts.selling.toXDRObject is not a function The code of node script goes by: server.loadAccount(...
3
votes
1answer
311 views

How to get trust limit of asset?

I have an issuer account I1 and a distributor account D1. I have added trust of an asset DummyAsset issued by I1 with trust limit of 5000 DummyAsset. How can I later verify/check the trust limit of ...
5
votes
1answer
89 views

Should an address be restricted from sending unlimited XLM to itself?

Hello Stellar Community, While testing our wallets yesterday we noticed that an address is able to 'send' itself more XLM than the current total supply limit, ex: 105 Billion XLM. Although the net ...
2
votes
0answers
104 views

Problem with bridge-server ERRO[0062] seen every 60 sec

This server was working fine with this config for like over 12 months with this same config. Now for reasons unknown I get: WARN[0001] accounts.authorizing_seed not provided. /authorize endpoint will ...
1
vote
2answers
57 views

How might I create a wallet on behalf of newbie's, then handoff securely, to help them get started quickly with Stellar?

I am working with a diverse community, where some are not very technical. I'd like to assess the technical/security effort to create and issue a wallet on behalf of these people.
2
votes
1answer
246 views

Using C#, what is the best way to validate a public key / address?

The link here What is the best method for key validation? has an answer for JS, and an answer for calculating it yourself, of which I have can't understand because I don't have a deep CS background. ...
2
votes
1answer
227 views

Receiving error when posting a transaction to Horizon

I am attempting to create a stellar-core and horizon node running under Travis-CI. (Existing solutions do not work for macOS, as Travis does not support Docker instances for test builds.) The ...
4
votes
1answer
85 views

Are the stellar history (XDR) files available in other regions or on other cloud providers

Most of the documentation or configuration info I have seen reference the history.stellar.org bucket on AWS S3 as the official source of history data. This bucket appears to be in the eu-west-1 (...
3
votes
1answer
241 views

What is the Bottleneck for Stellar TPS (for a private network)?

There are discussions on different forums about how good in terms of TPS (transaction per second) Stellar can be. If I would like to achieve higher TPS, is hardware likely to be the only bottleneck? ...
1
vote
1answer
70 views

Number of transactions in Ledger

Does one ledger hold multiple transactions from different accounts? By looking at the single ledger, I see only a few transactions. In the above ledger sequence, there are only 2 transactions.I assume ...
1
vote
1answer
69 views

bitcoin-core: error getting block (pruned data)

Does somebody knows when this occurs? time="2018-03-27T14:24:48Z" level=error msg="Error getting block from bitcoin-core: -1: Block not available (pruned data)" blockHash=...
2
votes
2answers
176 views

Bifrost: How to access ETH, received after ICO?

Bifrost is configured with an ethereum master_public_key, generated for e.g. with this web app https://iancoleman.io/bip39/, by specifying the "BIP32 Extended Public Key". The question is what would ...
2
votes
1answer
73 views

Trustline Created At from Horizon Database

I try to find when is trustline to an asset is created in horizon database. I joining history_effects, history_accounts, history_operations and history_transactions. I got created_at field on ...
1
vote
1answer
335 views

horizon db clear

I run the following commands: horizon db clear horizon db backfill Error: 2018/03/24 14:29:55 network-passphrase is blank: reingestion requires manually setting passphrase How to reingest the ...
3
votes
1answer
131 views

Can a token issued on Stellar determine its own transaction fees?

Would a token that plans to take an additional percentage Lumens for transaction fees be possible to create on the existing Stellar network?
1
vote
1answer
59 views

How I can buy SLT for gryvna (Ukrainian money)?

Is that possible to buy SLT (SmartLands token) for UAH (Ukrainian hryvnas)?
4
votes
1answer
68 views

Formal Verification of Smart Contract in Stellar

Are there any tool to verify the smart contract in Stellar ? From the tutorial, "Code can contain bugs or may not perform as intended. Be sure to analyze and agree upon all possible edge cases when ...
1
vote
1answer
763 views

Error tx_bad_seq

In almost every case, this error indicates that the transaction submitted in the initial request will never succeed. There is one exception: a transaction that fails with the tx_bad_seq result code (...
3
votes
1answer
208 views

What does v blocking node set mean?

I have just started with stellar. I am not able to understand v blocking node set and how do they block progress of a particular node. "An FBA protocol can guarantee liveness to a node 𝑣 only if 𝐐(...
2
votes
1answer
194 views

Horizon DB Initialized with Arbitrary Base(?)

Settings: Private network, 4 nodes running good and validating each other. Now I try to add a 5th node for testing, upon encountering an Horizon ingestion issue. this is how I made the node "5a" (...
1
vote
1answer
44 views

Build and link a federation server to a community forum?

Another noob question, thanks in advance for your patience, sorry if not enough specific : I have a small community forum (a phpbb forum), and i would like to allow members to send test-lumens or ...
2
votes
2answers
232 views

Account IDs not working for Horizon Testnet API

I am testing the Accounts endpoint on the Horizon testnet API. On this documentation page, there is the sample address: GA2HGBJIJKI6O4XEM7CZWY5PS6GKSXL6D34ERAJYQSPYA6X6AI7HYW36 Which when plugged ...
3
votes
1answer
36 views

What happens to offers that are completely fulfilled and are no longer part of orderbook?

Are these offers removed from account and base reserve requirement lowered for the same automatically once offer is fulfilled?
1
vote
0answers
53 views

stellar-core process is killed with stellar-core: bucket/FutureBucket.cpp:114: void

I am now setting up stellar-core in my amazon cloud services. I have tried to run with "./stellar-core &" however, it is showing the below messages on the phase of "Catching up: applying ...
1
vote
1answer
152 views

Running into an invalid quorum set error when running stellar-core

I installed stellar-core and all the tests passed. I used docs/stellar-core_example.cfg and tried to run stellar like so stellar-core -D stellar-example.cfg but I'm getting an error 2018-03-16T17:...
3
votes
1answer
269 views

stellar.toml in a http server

I am setting up a private network on a local machine. I have stellar-core, horizon and bridge server running. While setting up compliance server, it needs access to domain’s stellar.toml. This file ...
2
votes
1answer
385 views

List all asset holder

I want to list all of my asset holder, what I'm doing now is streaming payment and save account that transaction using my asset. Is there any other efficient way to do this?

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