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For questions regarding Operations within the Stellar Network.

9
votes
Each transaction can contain up to 100 operations (this number may be changed in the future). For the most basic operations (peer-to-peer funds transfer, orders on the Stellar exchange) it's almost … always a 1:1 ratio. However, there are a lot of cases when anchors or any other applications combine multiple operations into the single transaction. For example, market making usually implies that …
answered Jan 21 '18 by Orbit Lens
1
vote
I checked sources and didn't find any case when the server could return ACCOUNT_MERGE_DEST_FULL error. Well, of course you can run a standalone server, and update balances of two accounts directly in …
answered Feb 6 by Orbit Lens
4
votes
Each DataEntry increases the required minimum balance by the size of the base reserve (currently 0.5 XLM). The minimum balance for a basic account is 2 × base reserve. Each additional entry costs …
answered Feb 11 '18 by Orbit Lens
2
votes
) because a transaction itself does not transfer any funds. Think of it as a batch (unit of work) that contains one or more operations. Read more about transaction and operation concepts. …
answered Jun 5 '18 by Orbit Lens
2
votes
* @param operations {Array<StellarSdk.Operation>} - operations to apply * @returns {Promise<StellarSdk.Transaction>} **/ function submitOperations(sourceAccountSecret, operations) { if … (operations.length > 100) return Promise.reject(new Error('A transaction may contain up to 100 operations. Use batching to send send more than 100 operations a time.')) //retrieve keypair from secret key …
answered Jul 19 '18 by Orbit Lens
3
votes
If you have both asset (USD and EUR) on Stellar, there's no problem at all. const {Server, Network, Keypair, TransactionBuilder, Operation, Asset} = require('stellar-sdk') Network.useTestNetwork() …
answered Sep 4 '18 by Orbit Lens
3
votes
Payment is actually a result of the successful execution of a payment operation. A successful payment operation will yield two effects (Account Credited and Account Debited). If a transaction fails …
answered Feb 6 '18 by Orbit Lens
2
votes
My best guess is that your PostgreSQL db works inefficiently with indexes on a large collection. Usually it means that your server has not enough RAM and is unable to keep indexes and cache in memory. …
answered Sep 7 '18 by Orbit Lens
1
vote
Can't say why the event is fired more than once, though I have a solution for you. Try to use event deduplication to overcome the problem. 1. Cursor-based approach Currently you save the most recen …
answered Dec 22 '18 by Orbit Lens
0
votes
Here is sample code (for JavaScript SDK) to check the basic scenario. //initialize Horizon server API wrapper let horizon = new StellarSdk.Server('https://horizon.stellar.org'); //we are going to use …
answered Jun 26 '18 by Orbit Lens
0
votes
In your previous question you posted the link to the SDK API documentation, pointing exactly at the Operation.changeTrust static method. So just follow the described method signature. It says that met …
answered Aug 15 '18 by Orbit Lens