getutxos is a special case, since we already maintain that index as part of normal operation.
While I dislike some aspects of getutxos (covered elsewhere), if merged, it would be more appropriate as a special case to keep getutxos fully internal to bitcoind for implementation reasons. On Fri, Aug 8, 2014 at 8:11 AM, Mike Hearn <m...@plan99.net> wrote: >> Something like `getutxos` or this proposal could be implemented as an >> external application or script, instead of having to integrate >> everything into bitcoind. > > > Right, although getutxos needs access to the UTXO set which bitcoind already > has. An external plugin would have to recalculate it from scratch which > seems redundant. > > However there are many other useful services that could be added in such a > way, like -txindex or the nLockTime storage facility we talked about the > other day. > >> >> Bitcoind would need a local interprocess message bus for that > > > Maybe, that feels like it could be overkill though. Probably just something > like > > ./bitcoind -servicecookie=<long random string> -allowextservices=127.0.0.1/8 > > and then any program can connect to bitcoind as normal, send "registersrv" > with the cookie and a list of command ids it's interested in, maybe a > service bit to set, and start receiving those messages wrapped in a new > structure that gives some kind of client ID (like IP address). So any > library that can do the basic P2P protocol could then be extended with not > much code to get a multiplexed stream of messages from different clients. > > An additional standalone program can then bridge this mechanism to running a > shell command for particular messages, though given the history of shell > based exploits I'd feel safer with something that doesn't do that .... -- Jeff Garzik Bitcoin core developer and open source evangelist BitPay, Inc. https://bitpay.com/ ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
