On Tue, Jul 23, 2013 at 11:52 AM, Andy Parkins <andypark...@gmail.com> wrote: >> There is actually no such index being maintained by default, and doing so >> is an unnecessary burden IMHO (you need to enable -txindex since 0.8 to >> get this). Of course, if enabled, it can be exposed. > > Wow. I'm surprised at that. How does a newly received transaction have its > inputs verified then? Multiple linear brute force searches of the block chain > for every new transaction? Or is it that transactions are only recorded if > they were in a block, and just their presence indicates they're valid?
The block chain is not involved at all to verify transactions, it's just a historical record to serve to other nodes, and to do wallet rescans with. For validation, a separate database with just unspent transaction outputs is used (around 230 MB now). -- Pieter ------------------------------------------------------------------------------ See everything from the browser to the database with AppDynamics Get end-to-end visibility with application monitoring from AppDynamics Isolate bottlenecks and diagnose root cause in seconds. Start your free trial of AppDynamics Pro today! http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
