/// <summary>
/// Broadcast a transaction on the hub.
/// </summary>
/// <param name="transaction">The transaction to broadcast.</param>
/// <returns>The cause of the rejection or <c>null</c>.</returns>
public Task <RejectPayload> BroadcastTransactionAsync(Transaction transaction)
{
if (transaction == null)
{
throw new ArgumentNullException("transaction");
}
TaskCompletionSource <RejectPayload> completion = new TaskCompletionSource <RejectPayload>();
uint256 hash = transaction.GetHash();
if (this.BroadcastedTransaction.TryAdd(hash, transaction))
{
TransactionBroadcastedDelegate broadcasted = null;
TransactionRejectedDelegate rejected = null;
broadcasted = (t) =>
{
if (t.GetHash() == hash)
{
completion.SetResult(null);
this.TransactionRejected -= rejected;
this.TransactionBroadcasted -= broadcasted;
}
};
this.TransactionBroadcasted += broadcasted;
rejected = (t, r) =>
{
if (r.Hash == hash)
{
completion.SetResult(r);
this.TransactionRejected -= rejected;
this.TransactionBroadcasted -= broadcasted;
}
};
this.TransactionRejected += rejected;
this.OnBroadcastTransaction(transaction);
}
return(completion.Task);
}
/// <summary>
/// Broadcast a transaction on the hub
/// </summary>
/// <param name="transaction">The transaction to broadcast</param>
/// <returns>The cause of the rejection or null</returns>
public Task <RejectPayload> BroadcastTransactionAsync(Transaction transaction)
{
if (transaction == null)
{
throw new ArgumentNullException(nameof(transaction));
}
#if NO_RCA
TaskCompletionSource <RejectPayload> completion = new TaskCompletionSource <RejectPayload>();
#else
TaskCompletionSource <RejectPayload> completion = new TaskCompletionSource <RejectPayload>(TaskCreationOptions.RunContinuationsAsynchronously);
#endif
var hash = transaction.GetHash();
if (BroadcastedTransaction.TryAdd(hash, transaction))
{
TransactionBroadcastedDelegate broadcasted = null;
TransactionRejectedDelegate rejected = null;
broadcasted = (t) =>
{
if (t.GetHash() == hash)
{
completion.SetResult(null);
TransactionRejected -= rejected;
TransactionBroadcasted -= broadcasted;
}
};
TransactionBroadcasted += broadcasted;
rejected = (t, r) =>
{
if (r.Hash == hash)
{
completion.SetResult(r);
TransactionRejected -= rejected;
TransactionBroadcasted -= broadcasted;
}
};
TransactionRejected += rejected;
OnBroadcastTransaction(transaction);
}
return(completion.Task);
}
/// <summary>
/// Broadcast a transaction on the hub
/// </summary>
/// <param name="transaction">The transaction to broadcast</param>
/// <returns>The cause of the rejection or null</returns>
public Task <RejectPayload> BroadcastTransactionAsync(Types.Transaction transaction) //todo: make private
{
if (transaction == null)
{
throw new ArgumentNullException("transaction");
}
TaskCompletionSource <RejectPayload> completion = new TaskCompletionSource <RejectPayload>();
var hash = GetHash(transaction);
if (BroadcastedTransaction.TryAdd(hash, transaction))
{
TransactionBroadcastedDelegate broadcasted = null;
TransactionRejectedDelegate rejected = null;
broadcasted = (t) =>
{
if (GetHash(t) == hash)
{
completion.SetResult(null);
TransactionRejected -= rejected;
TransactionBroadcasted -= broadcasted;
}
};
TransactionBroadcasted += broadcasted;
rejected = (t, r) =>
{
if (r.Hash == hash)
{
completion.SetResult(r);
TransactionRejected -= rejected;
TransactionBroadcasted -= broadcasted;
}
};
TransactionRejected += rejected;
OnBroadcastTransaction(transaction);
}
return(completion.Task);
}