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Author Topic: Requested: graphs/statistics about spent+unspent transactions  (Read 717 times)
cjp
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September 16, 2012, 12:34:02 PM
 #1

It would be nice (and for me useful) to have the following graphs:

* number of fully spent transactions of a block, as a function of the creation time of that block
* number of partially spent transactions of a block, as a function of the creation time of that block
* number of fully unspent transactions of a block, as a function of the creation time of that block
(partially spent = some outputs are spent and some are not)

Naturally, these graphs will change in time, as old transactions go from fully unspent to partially spent to fully spent.

These don't change in time (only extra data is appended):
* total number of existing fully spent transactions, as a function of time
* total number of existing partially spent transactions, as a function of time
* total number of existing fully unspent transactions, as a function of time

With a bit of programming I could make these graphs myself, but I'd like to know if there is an easier way. Maybe they already exist somewhere?


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September 16, 2012, 12:39:17 PM
 #2

sipa's presentation at Bitcoin Conference 2012 including some information, because his "ultraprune" branch slated for 0.8 will specifically index unspent txout's.  Not quite the information you wanted, but it is worth a look for you.

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cjp
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September 16, 2012, 12:46:04 PM
 #3

sipa's presentation at Bitcoin Conference 2012 including some information, because his "ultraprune" branch slated for 0.8 will specifically index unspent txout's.  Not quite the information you wanted, but it is worth a look for you.

I'm not at the conference and I can't find the presentations on the conference website. Where can I find this presentation?

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gmaxwell
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September 16, 2012, 02:31:01 PM
 #4

* number of fully spent transactions of a block, as a function of the creation time of that block
* number of partially spent transactions of a block, as a function of the creation time of that block
I think it might be interesting to ask: Why are you interested in distinguishing these cases?

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Stephen Gornick
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September 17, 2012, 12:20:34 AM
 #5

With a bit of programming I could make these graphs myself,

The getrawtransaction call, new in Bitcoin.org v0.7, should make collecting this type of info easier.

Also Armory has sample code (in extras) that should help make this job easier.

 - https://github.com/etotheipi/BitcoinArmory/tree/master/extras

Other options include libBitcoin, ABE, and more.

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