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Date: Fri, 14 Feb 2014 15:01:41 -0800
From: Mark Friedenbach <mark@monetize.io>
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Subject: Re: [Bitcoin-development] working with the blockchain: transaction
fees & sum(inputs) != sum(outputs) (newbie questions)
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Still straightforward: get a list of transaction hashes for the block
from bitcoind, then query these transactions from the UTXO changestate
database.
On 02/14/2014 12:56 PM, Denis Andrejew wrote:
> Thanks Wladimir, perfect info!
>
> Mark, sounds good. But most likely this DB is keeping this
> information only for the current state of the blockchain and what I
> need really is to be able to get the unspent outputs (and calculate
> the balance for all addresses) for any particular block I happen to
> be interested in :)
>
> - Denis
>
> "Be the change you want to see in the world." (Mahatma Gandhi)
>
>
> On Fri, Feb 14, 2014 at 5:42 PM, Mark Friedenbach
> <mark@monetize.io <mailto:mark@monetize.io>> wrote:
>
> On 02/14/2014 04:20 AM, Denis Andrejew wrote:
>> What I'm trying to do is read the blockchain in order to find
>> all unspent outputs. I'm using bitcoind via rpc as my source of
>> information about the blockchain.
>
> By the way, bitcoind keeps this information in a special LevelDB
> database in the chainstate directory. It would be rather simple to
> iterate over the database for the list of al unspent outputs.
>
>
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