/// <summary>
/// Adds a time-bounds to this transaction.
/// See: https://www.stellar.org/developers/learn/concepts/transactions.html
/// </summary>
/// <param name="timeBounds">timeBounds</param>
/// <returns>Builder object so you can chain methods.</returns>
public Builder AddTimeBounds(TimeBounds timeBounds)
{
if (_timeBounds != null)
{
throw new ArgumentException("TimeBounds has been already added.", nameof(timeBounds));
}
_timeBounds = timeBounds ?? throw new ArgumentNullException(nameof(timeBounds), "timeBounds cannot be null");
return(this);
}
private Transaction(KeyPair sourceAccount, long sequenceNumber, Operation[] operations, Memo memo, TimeBounds timeBounds)
{
SourceAccount = sourceAccount ?? throw new ArgumentNullException(nameof(sourceAccount), "sourceAccount cannot be null");
SequenceNumber = sequenceNumber;
Operations = operations ?? throw new ArgumentNullException(nameof(operations), "operations cannot be null");
if (operations.Length == 0)
{
throw new ArgumentNullException(nameof(operations), "At least one operation required");
}
Fee = operations.Length * BaseFee;
Signatures = new List <DecoratedSignature>();
Memo = memo ?? Memo.None();
TimeBounds = timeBounds;
}
/// <summary>
/// Generates Transaction XDR object.
/// </summary>
/// <returns></returns>
public xdr.Transaction ToXdr()
{
// fee
var fee = new Uint32 {
InnerValue = Fee
};
// sequenceNumber
var sequenceNumberUint = new Uint64 {
InnerValue = SequenceNumber
};
var sequenceNumber = new SequenceNumber {
InnerValue = sequenceNumberUint
};
// sourceAccount
var sourceAccount = new AccountID {
InnerValue = SourceAccount.XdrPublicKey
};
// operations
var operations = new xdr.Operation[Operations.Length];
for (var i = 0; i < Operations.Length; i++)
{
operations[i] = Operations[i].ToXdr();
}
// ext
var ext = new xdr.Transaction.TransactionExt {
Discriminant = 0
};
var transaction = new xdr.Transaction
{
Fee = fee,
SeqNum = sequenceNumber,
SourceAccount = sourceAccount,
Operations = operations,
Memo = Memo.ToXdr(),
TimeBounds = TimeBounds?.ToXdr(),
Ext = ext
};
return(transaction);
}