/// <summary>
/// The sign.
/// </summary>
/// <param name="keyGenerator">
/// The key Generator.
/// </param>
/// <exception cref="InvalidOperationException">
/// Thrown when bundle is not finalized.
/// </exception>
public void Sign(IKeyGenerator keyGenerator)
{
if (this.Hash == null)
{
throw new InvalidOperationException("BundleHash must be finalized in order to sign it!");
}
var i = 0;
while (i < this.Transactions.Count)
{
var transaction = this.Transactions[i];
if (transaction.Value < 0)
{
var privateKey = keyGenerator.GetKeyFor(transaction.Address);
privateKey.SignInputTransactions(this.Transactions, i);
i += transaction.Address.SecurityLevel;
}
else
{
i += 1;
}
}
}