public async Task <bool> ChangeTrustVoteToken(string pubKey, string secretKey)
{
//Set network and server
Network.UseTestNetwork();
Server server = new Server("https://horizon-testnet.stellar.org");
var nonNativeAsset = Asset.Create(null, this.VoteToken, IssueAccount.PublicKey);
var source = KeyPair.FromSecretSeed(secretKey);
var limit = "100";
AccountResponse accountResponse = await server.Accounts.Account(source.AccountId);
Account sourceAccount = new Account(source.AccountId, accountResponse.SequenceNumber);
var sourceSponsor = KeyPair.FromSecretSeed(DistributionAccount.SecretSeed);
var sponsored = KeyPair.FromAccountId(pubKey);
var operationStartSponsor = new BeginSponsoringFutureReservesOperation.Builder(sponsored)
.SetSourceAccount(sourceSponsor)
.Build();
var operation = new ChangeTrustOperation.Builder(nonNativeAsset, limit)
.SetSourceAccount(source)
.Build();
var operationEndSponsoring = new EndSponsoringFutureReservesOperation.Builder()
.SetSourceAccount(source)
.Build();
Transaction innerTransaction = new TransactionBuilder(sourceAccount)
.SetFee(100)
.AddOperation(operationStartSponsor)
.AddOperation(operation)
.AddOperation(operationEndSponsoring)
.Build();
//Sign Transaction
innerTransaction.Sign(sourceSponsor);
innerTransaction.Sign(source);
var feeSource = sourceSponsor;
var finalTx = TransactionBuilder.BuildFeeBumpTransaction(feeSource, innerTransaction, 100);
finalTx.Sign(feeSource);
//Try to send the transaction
try
{
var response = await this.SubmitTransaction(finalTx.ToEnvelopeXdrBase64());
return(response.IsSuccess());
}
catch (Exception exception)
{
return(false);
}
}
public async Task <bool> ActivateUserAccount(string accountId, string secretSeed)
{
//Set network and server
Network.UseTestNetwork();
Server server = new Server("https://horizon-testnet.stellar.org");
var sourceKeyPair = KeyPair.FromSecretSeed(DistributionAccount.SecretSeed);
//Destination keypair from the account id
KeyPair destinationKeyPair = KeyPair.FromAccountId(accountId);
AccountResponse sourceAccountResponse = await server.Accounts.Account(DistributionAccount.PublicKey);
//Create source account object
Account sourceAccount = new Account(DistributionAccount.PublicKey, sourceAccountResponse.SequenceNumber);
Asset asset = new AssetTypeNative();
var operationStartSponsor = new BeginSponsoringFutureReservesOperation.Builder(destinationKeyPair)
.SetSourceAccount(sourceKeyPair)
.Build();
//Create payment operation
CreateAccountOperation operation = new CreateAccountOperation.Builder(destinationKeyPair, "0").SetSourceAccount(sourceAccount.KeyPair).Build();
var sponsoredSource = KeyPair.FromSecretSeed(secretSeed);
var operationEndSponsoring = new EndSponsoringFutureReservesOperation.Builder()
.SetSourceAccount(sponsoredSource)
.Build();
Transaction transaction = new TransactionBuilder(sourceAccount)
.SetFee(100)
.AddOperation(operationStartSponsor)
.AddOperation(operation)
.AddOperation(operationEndSponsoring)
.Build();
//Sign Transaction
transaction.Sign(sourceKeyPair);
transaction.Sign(sponsoredSource);
try
{
var response = await server.SubmitTransaction(transaction);
return(response.IsSuccess());
}
catch (Exception exception)
{
return(false);
}
}
