BitcoinJ können Sie bauen diesen Kunden. **"Wie kann ich überprüfen der hash-Kette, wenn ich kann nicht sicherstellen, dass jede Transaktion, die Eingang in Ihr gültig behauptet, eine frühere Transaktion ist die Ausgabe? Wie kann ich das tun, ohne dass eine vollständige Transaktion Tisch?"** Da BitcoinJ eine Verbindung zu einem vertrauenswürdigen Knotens, auf dem er weiß, dass die erhaltenen Blöcken wurden validiert, um nur die Eingänge und für die Ausgänge. Dies ist ein problem, das grundsätzlich alle Bitcoin-Derivaten. Vielleicht sollten Sie Bearbeiten Ihre Frage, um es allgemeiner. Warten, also wenn das nicht gut was sollte ich verwenden zu können, führen die maximal effiziente um bitcoins. Ich bin bereit, zu verbringen, um 2k-3k Dollar.

In Bitcoin Core, es gibt zwei Einstellungen -dbcache und -maxmempool, säumige 450 und 300, beziehungsweise.

Der mempool kann nur besetzen, so viel wie konfiguriert ist, durch -maxmempool.

Die UTXO set cache zu besetzen, so viel wie konfiguriert ist, durch -dbcache plus die Menge der konfigurierten mempool Raum, der aktuell nicht verwendet wird. Die Speichernutzung ist jedoch viel höher als die entsprechende Darstellung auf der Festplatte - das laden des gesamten UTXO set benötigen würde, 6-7 GB an der Zeit zu sprechen.

Die in-memory-Darstellungen werden immer größer. Auf der Festplatte sind Sie nur verpackt Sequenzen von bytes. In Speicher gibt es Indizes und Zeigern, und Speicherzuordnung overhead - alle zu beschleunigen den Zugriff. Der blowup-Faktor für UTXO Daten ist größer als für den Speicher.

Seit 0.14, der mempool ist auch auf der Festplatte gespeichert, die beim abschalten (aber nicht kontinuierlich).

Bisher gibt es keine Priorisierung erfolgt auf der UTXO cache. Wir halten gerade alle Einträge zugegriffen herum, und wenn es wächst zu groß, alle geänderten Einträge werden auf die Festplatte geschrieben. Eine (sehr) deutliche Optimierung ist, dass, wenn ein UTXO erstellt und dann ausgegeben werden, ohne dass auf die Festplatte geschrieben haben wir Sie einfach entfernen Sie es aus dem Speicher.

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