private void TransferTxs(GetTxs getTxs)
{
foreach (TxId txid in getTxs.TxIds)
{
try
{
Transaction <T> tx = BlockChain.GetTransaction(txid);
if (tx is null)
{
continue;
}
Message response = new Messages.Tx(tx.Serialize(true))
{
Identity = getTxs.Identity,
};
Transport.ReplyMessage(response);
}
catch (KeyNotFoundException)
{
_logger.Warning("Requested TxId {TxId} does not exist.", txid);
}
}
}
private void TransferTxs(GetTxs getTxs)
{
IEnumerable <Transaction <T> > txs = getTxs.TxIds
.Where(txId => _store.ContainsTransaction(txId))
.Select(BlockChain.GetTransaction);
foreach (Transaction <T> tx in txs)
{
Message response = new Messages.Tx(tx.Serialize(true))
{
Identity = getTxs.Identity,
};
Transport.ReplyMessage(response);
}
}
private void TransferTxs(GetTxs getTxs)
{
foreach (TxId txid in getTxs.TxIds)
{
Transaction <T> tx = BlockChain.GetTransaction(txid);
if (tx is null)
{
continue;
}
Message response = new Messages.Tx(tx.Serialize(true))
{
Identity = getTxs.Identity,
};
Transport.ReplyMessage(response);
}
}
private async Task TransferTxs <T>(
Blockchain <T> blockchain,
GetTxs getTxs,
CancellationToken cancellationToken)
where T : IAction
{
IDictionary <TxId, Transaction <T> > txs = blockchain.Transactions;
foreach (var txid in getTxs.TxIds)
{
if (txs.TryGetValue(txid, out Transaction <T> tx))
{
Message response = new Messages.Tx(tx.ToBencodex(true))
{
Identity = getTxs.Identity,
};
await ReplyAsync(response, cancellationToken);
}
}
}
public async Task CanFillWithInvalidTransaction()
{
var privateKey = new PrivateKey();
var address = privateKey.ToAddress();
var swarm1 = CreateSwarm();
var swarm2 = CreateSwarm();
var tx1 = swarm2.BlockChain.MakeTransaction(
privateKey,
new[] { new DumbAction(address, "foo") });
var tx2 = swarm2.BlockChain.MakeTransaction(
privateKey,
new[] { new DumbAction(address, "bar") });
var tx3 = swarm2.BlockChain.MakeTransaction(
privateKey,
new[] { new DumbAction(address, "quz") });
var tx4 = Transaction <DumbAction> .Create(
4,
privateKey,
swarm1.BlockChain.Genesis.Hash,
new[] { new DumbAction(address, "qux") });
try
{
await StartAsync(swarm1);
await StartAsync(swarm2);
var transport = swarm1.Transport;
var msg = new GetTxs(new[] { tx1.Id, tx2.Id, tx3.Id, tx4.Id });
var replies = (await transport.SendMessageWithReplyAsync(
(BoundPeer)swarm2.AsPeer,
msg,
TimeSpan.FromSeconds(1),
4,
true,
internal IAsyncEnumerable <Transaction <T> > GetTxsAsync <T>(
DealerSocket socket,
IEnumerable <TxId> txIds,
CancellationToken cancellationToken = default(CancellationToken))
where T : IAction
{
return(new AsyncEnumerable <Transaction <T> >(async yield =>
{
var request = new GetTxs(txIds);
await socket.SendMultipartMessageAsync(
request.ToNetMQMessage(_privateKey),
cancellationToken: cancellationToken);
int hashCount = txIds.Count();
while (hashCount > 0)
{
NetMQMessage response =
await socket.ReceiveMultipartMessageAsync(
cancellationToken: cancellationToken);
Message parsedMessage = Message.Parse(response, true);
if (parsedMessage is Messages.Tx parsed)
{
Transaction <T> tx = Transaction <T> .FromBencodex(
parsed.Payload);
await yield.ReturnAsync(tx);
hashCount--;
}
else
{
throw new InvalidMessageException(
$"The response of getdata isn't block. " +
$"but {parsedMessage}");
}
}
}));
}
