[Bitcoin-development] A suggestion for reducing the size of the UTXO database

Andreas Schildbach andreas at schildbach.de
Tue May 26 12:40:28 UTC 2015


On 05/25/2015 11:05 PM, Peter Todd wrote:
> On Mon, May 25, 2015 at 10:29:26PM +0200, Andreas Schildbach wrote:
>>> I see this behavior all the time. I am using the latest release, as far as I know. Version 4.30.
>>>
>>> The same behavior occurs in the Testnet3 variant of the app. Go in there with an empty wallet and receive one payment and wait for it to confirm. Then send a payment and, before it confirms, try to send another one. The wallet won't let you send the second payment. It'll say something like, "You need x.xxxxxx more bitcoins to make this payment." But if you wait for your first payment to confirm, then you'll be able to make the second payment.
>>>
>>> If it matters, I configure the app to connect only to my own trusted Bitcoin node, so I only ever have one active connection at most. I notice that outgoing payments never show as "Sent" until they appear in a block, presumably because the app never sees the transaction come in over any connection.
>>
>> Yes, that's the issue. Because you're connecting only to one node, you
>> don't get any instant confirmations -- due to a Bitcoin protocol
>> limitation you can only get them from nodes you don't post the tx to.
> 
> Odd, I just tried the above as well - with multiple peers connected -
> and had the exact same problem.

It should work, I'm testing this regularly. Can you report an issue
through the app and attach your log when this happens again?






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