5
votes
Notify every new ledger
Just use Client.StreamLedgers method:
client := DefaultPublicNetClient
cursor := Cursor("now")
// Call `cancel()` to stop streaming
ctx, cancel := context.WithCancel(context.Background())
err := ...
- 3,878
3
votes
Muliti Signature with hash(x) in goLang SDK
It looks like the SignatureHint for hash(x) in your transaction is invalid. Signature hint for hash(x) is the 4 last bytes of the hash, not the preimage. Fix required around:
Hint: xdr.SignatureHint(...
- 3,878
3
votes
What is the correct way to unmarshal an encoded transaction for signing
There is no support yet for building a txnbuild.Transaction object from a xdr.TransactionEnvelope in the Go SDK. However, you can still sign the transaction by using this work around: https://play....
- 116
3
votes
Accepted
How to Build transaction XDR before sign it
I'm just going to guess here, since I don't do golang, but if you look at what Sign does, can't you just copy that implementation yourself, and skip the signing part?
I.e.,
func (b *...
- 1,947
3
votes
Accepted
How can I build a transaction with a dynamic list of mutators or operations using the Go SDK?
You could use the spread operator on an object of type []build.TransactionMutator that is passed into the build.Transaction method (on github.com/stellar/go/build).
Here's a code sample:
import (
...
- 1,080
2
votes
How to sign transaction offline with go sdk?
This is how i convert the XDR before the initial signature.
trustTx, err := build.Transaction(
build.SourceAccount{recipient.Address()},
build.AutoSequence{SequenceProvider: horizon....
- 421
2
votes
Accepted
Setting Data with the Go SDK
I now understand that you have to build the transaction yourself using build. Example if anyone else gets stuck:
import (
build "github.com/stellar/go/build"
"github.com/stellar/go/clients/...
- 81
2
votes
Accepted
How to access the "All Operations" Horizon endpoint using the Go SDK?
The horizon internal package is not the right ones to use. It implements the server side. Like the js-stellar-sdk you will need to do an api call to horizon:
curl "https://horizon-testnet.stellar.org/...
- 1,300
2
votes
Accepted
Geting signer of a signature
I'm not user of go, but I think the logic is the same for every language.
Here's how I do: I get the transaction sources accounts and compute the list of legit signers for this transaction, then I ...
- 464
2
votes
Accepted
What is the correct way to unmarshal an encoded transaction for signing
Support for this has now been added to the SDK in txnbuild 1.4. Here's an example that produces the same output as the previous lower-level workaround: https://play.golang.org/p/5uXzCEK_bgc
package ...
- 832
1
vote
golang sdk; how can I check horizon.Error.Problem
"george" from the "Stellar Developers" discord #horizon chat answered me:
you can use the horizonclient.GetError(err) helper to retrieve the Problem structure and inspect it. For ...
- 121
1
vote
Accepted
How to decode stellar XDR
var txe xdr.Transaction
err = xdr.SafeUnmarshalBase64(TDP.XDR, &txe)
if err != nil {
fmt.Println(err)
}
You can use above code to Unmarshal Base64 XDR. And using &txe you can retrieve ...
- 421
1
vote
Problem installing bitbucket.org/ww/goautoneg for Stellar go using dep ensure -v
This has been resolved, I'm unsure whether this was just a timing issue (where I needed to be more patient) or if I needed to install mercurial.
Steps I used for resolution
brew install mercurial
...
- 31
1
vote
How to Build transaction XDR before sign it
I have some examples for that in my kotlin library that wraps the java sdk.
data class PreparedTransaction(val transactionHash: String, val transactionEnvelopeXdr: String)
fun ...
- 348
1
vote
Accepted
Dynamic amount of operation
I found the answer. Hopefully it will help someone in the future.
muts := []build.TransactionMutator{
build.SourceAccount{recipient.Address()},
build.TestNetwork,
build.AutoSequence{...
- 421
1
vote
Accepted
How could I create an AutoSequence in a private testnet with the golang SDK?
I figured that I needed to implement my own SequenceProvider looking at https://github.com/stellar/go/blob/master/clients/horizon/main.go#L20 and https://github.com/stellar/go/blob/master/clients/...
- 173
1
vote
tx_bad_seq error when creating account with the root account of Stellar private network
The only thing that comes to my mind is that your node actually synced with the publicly available test network and applied the history. That's why the master account's (...
- 3,878
Only top scored, non community-wiki answers of a minimum length are eligible