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0answers
17 views

Stellar channel implementation is giving an error “this.source.sequenceNumber is not a function”

i am trying to implement stellar channel concept. i am following stellar channel link. I have created 6 channel accounts. Below is the programme i wrote var destinationId = '...
1
vote
1answer
56 views

How to listening new XLM transaction for multiple accounts

I'm totally new in stellar network. I have experienced create transaction listener for bitcoin and ethereum by listen to every new transaction, if that transaction contain my address it send callback ...
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 ...
1
vote
2answers
68 views

Error while submitting change trust transaction

I created an anchor account which issues USD asset. It worked properly. But now when I modify the program where the anchor issues one more asset called INR and I am creating a trustline for both the ...
1
vote
0answers
25 views

How to filter only the most recent n number of operations of an account for only a specific Asset?

I had a function that returned the most recent 3 payment operations for an account. But I wante to change it so that it would only return the most recent 3 payment operations for only the asset being ...
5
votes
1answer
35 views

Stellar address prefix bitwise operator rationale

Stellar prefixes public keys with G. Why do they use a bitwise operation VersionByteAccountID VersionByte = 6 << 3 to get the base 10 value 48? Javascript "returns the default numerical values", ...
2
votes
2answers
213 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 ...
2
votes
1answer
126 views

How do I locally manage sequence no of an account?

I am trying to successfully send a transaction but its failing whats the purpose of these two functions 1 - StellarSdk.Operation.createAccount 2 - StellarSdk.Operation.payment if I am using an ...
7
votes
1answer
225 views

Why is the memo hash different from the one I specify during tx building?

I'm converting IPFS multi hash to hex, and after throwing away its prefix I want to attach that hash to a stellar transaction (something like here). I build it this way: let transaction = new ...
3
votes
1answer
35 views

(Dup for different SDK) How can I build a transaction with a dynamic list of mutators or operations using the JS SDK?

This is exactly what I am after but in JS. How can I build a transaction with a dynamic list of mutators or operations using the Go SDK? Something like this would be great, and then it'd be easy to ...
3
votes
2answers
58 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
53 views

How return a state after sumbit a transaction [JavaScript]

I've a dispatcher in node js called dis.js. in this dispatcher i want to call a function in makepayment.js and wait for the result of submit transaction. dis.js critical piece of code const mk = ...
4
votes
1answer
665 views

Convert XDR to text

I want to convert the XDR fromat of the transaction to text using JS or java SDK in stellar.Or if there are any methods outside stellar also fine.
2
votes
2answers
268 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 (...
6
votes
2answers
251 views

How to serialize, send over network, deserialize a transaction envelope for multiple signatures?

I'm trying to send over the network a base64 encoded string representing a partly signed envelope. I need to parse the string back to the original javascript object in order to add a new signature to ...
2
votes
1answer
191 views

Good methods for Stress Test to prevent tx_bad_seq?

During a manual stress test with js-stellar-sdk, some transactions may be responded slower (e.g. 10 sec). At high TPS, asynch programming possibly causes server.loadAccount() to get the same tx_seq, ...
2
votes
2answers
386 views

Error in submitting the multisig transaction

The below code is the multisig transaction to submit to stellar horizon testnet. When I am submitting the transaction, I am getting the submission failed error. var alice_public_key = '...
4
votes
1answer
270 views

How can I convert the built 'transaction' in XDR format?

Before I submit the transaction to the network I want to convert the 'transaction' in XDR format so that I can save it to database for future reference. I am using Stellar JS library. How to do it?