:: Re: [Libbitcoin] trying offline obe…
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Skribent: Grazcoin
Dato:  
Til: libbitcoin
Emne: Re: [Libbitcoin] trying offline obelisk
Until there is a new database implemented, I think I have found a
temporary solution for my sync-to-offline problem:
http://users.softlab.ece.ntua.gr/~ttsiod/Offline-rsync.html
I will report how it works.

On 2014-03-26 17:44, Amir Taaki wrote:
> yep but there's more but thats the base.
>
>> What are the replacement candidates for the leveldb component?
>>
>> Is the story pretty much told here?
>>
>> https://wiki.unsystem.net/index.php/Libbitcoin/Blockchain
>>
>> On Wed, Mar 26, 2014 at 9:05 AM, Amir Taaki <genjix@???> wrote:
>>> Do you want the new blockchain for fetch_history() to get outputs or
>>> fetch_transaction() on special txs right? Is there a way to only migrate
>>> the data you're interested in rather than the whole blockchain?
>>> Maybe you can even sign it before to show it's valid.
>>> LevelDB is not a good database and the next release of libbitcoin will
>>> have a newer faster slimmer database system for the blockchain.
>>>
>>> On 26/03/14 13:08, Grazcoin wrote:
>>>> This version seems to work fine offline on ubuntu 13.10, so I have an
>>>> offline obelisk that I can play with :)
>>>> Thanks you Amir!
>>>>
>>>> Now the question is how to update the setup while staying offline. For
>>>> security reasons, I would like to update it using a CD/DVD. I thought I
>>>> would tar the updated files from the blockchain directory and overwrite
>>>> that directory on my offline setup, e.g:
>>>> cd worker
>>>> tar cz `find blockchain -type f -newermt "Mar 23"` -f
>>>> ~/blockchain-update-20140326.tgz
>>>>
>>>> But I get way too many files (probably also old files get a newer
>>>> timestamp), so even a DVD is not enough for 3 days.
>>>> Any idea of how to do it in a simple and reasonably optimized way?
>>>>
>>>> Grazcoin
>>>>
>>>>
>>>> On 2014-03-24 22:58, Grazcoin wrote:
>>>>> No problems till now after this change.
>>>>> Thanks!
>>>>>
>>>>> On 2014-03-24 21:27, Amir Taaki wrote:
>>>>>> https://github.com/spesmilo/libbitcoin/commit/d73e6f03771c6e5e4ced166151d99f352da0b626
>>>>>>
>>>>>> new connections are limited to 10 per second now. if this is too low
>>>>>> then
>>>>>> we should lower the time interval rather than the connection limit.
>>>>>>
>>>>>>> I was too fast on the "Fix verified" trigger.
>>>>>>> The assert comes in the same virtual box setup a little later, e.g.
>>>>>>> after 10 times of running:
>>>>>>> sx fetch-transaction
>>>>>>> fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33
>>>>>>> (it is a tx from block 1000)
>>>>>>> This is the case for both the commit that I claimed to be "Fix
>>>>>>> verified", and for the HEAD.
>>>>>>> Grazcoin
>>>>>>>
>>>>>>> On 2014-03-23 17:42, Grazcoin wrote:
>>>>>>>> Fix verified on the virtual box setup :)
>>>>>>>> It required a fresh build (running again install-sx.sh did not fix
>>>>>>>> the
>>>>>>>> problem).
>>>>>>>>
>>>>>>>> Thanks!
>>>>>>>> Grazcoin
>>>>>>>>
>>>>>>>> On 2014-03-22 15:26, Amir Taaki wrote:
>>>>>>>>> Fixed:
>>>>>>>> https://github.com/spesmilo/libbitcoin/commit/9104dfa1661fcc2e61a576de446ad7e0771e74e8
>>>>>>>>
>>>>>>>>> On 21/03/14 11:24, Grazcoin wrote:
>>>>>>>>>> I reproduced the bug on the virtual box image.
>>>>>>>>>>
>>>>>>>>>> 1. I followed the image installation instructions that I gave
>>>>>>>> previously
>>>>>>>>>> on this thread.
>>>>>>>>>> 2. I ran install-sx.sh script of master git HEAD.
>>>>>>>>>> 3. created ~/worker/blockchain and ran sx initchain
>>>>>>>>>> 4. ran obworker (it took ~2 minutes for obworker to start
>>>>>>>>>> connecting
>>>>>>>> though)
>>>>>>>>>> 5. I waited until block 3136, the stopped obworker.
>>>>>>>>>> 6. ifconfig eth0 down to disable networking (don't try the
>>>>>>>>>> service
>>>>>>>>>> networking stop, since that kills the vm)
>>>>>>>>>> 7. .sx.cfg change to service = "tcp://127.0.0.1:9091"
>>>>>>>>>> 8. started again obworker (same output like reported in bug)
>>>>>>>>>> 9. sx fetch-last-height returns 3136 (a little too slow for my
>>>>>>>> taste).
>>>>>>>>>> 10. repeat 6 times, and them *boom* - assertion socket.self()
>>>>>>>>>> like in
>>>>>>>>>> original bug description.
>>>>>>>>>>
>>>>>>>>>> On 2014-03-20 20:09, Thomas Hartman wrote:
>>>>>>>>>>> Sounds like a legitimate problem. Created issue in bugtracker,
>>>>>>>> linked
>>>>>>>>>>> back to this discussion.
>>>>>>>>>>>
>>>>>>>>>>> https://github.com/spesmilo/sx/issues/50
>>>>>>>>>>>
>>>>>>>>>>> On Thu, Mar 20, 2014 at 10:07 AM, Grazcoin <grazcoin@???>
>>>>>>>> wrote:
>>>>>>>>>>>> You can use virtualbox for testing ubuntu using console.
>>>>>>>>>>>> I verified the procedure myself (at least until running the sx
>>>>>>>> install
>>>>>>>>>>>> script).
>>>>>>>>>>>>
>>>>>>>>>>>> Instructions:
>>>>>>>>>>>> 1. download (less than 1GB)
>>>>>>>>>>>>
>>>>>>>> http://virtualboximages.com/Ubuntu+13.10+amd64+VirtualBox+VDI+Virtual+Appliance
>>>>>>>>>>>> 2. unrar e
>>>>>>>>>>>>
>>>>>>>> VirtualBox_-_Ubuntu-13.10-amd64-Desktop_VDI-[VirtualBoxImages.com].rar
>>>>>>>>>>>> 3. start virtualbox (I assume it is installed).
>>>>>>>>>>>> 4. New (name obelisk), Next.
>>>>>>>>>>>> 5. RAM - I gave 4GB, Next
>>>>>>>>>>>> 6. Use an existing virtual hard drive file - choose
>>>>>>>>>>>> ubuntu-13.10-desktop-amd64.vdi
>>>>>>>>>>>> 7. Start machine
>>>>>>>>>>>> 8. sudo su (password is adminuser)
>>>>>>>>>>>> 9. apt-get update
>>>>>>>>>>>> 10. apt-get install git
>>>>>>>>>>>> 11. git clone https://github.com/spesmilo/sx.git
>>>>>>>>>>>> 12. sh sx/install-sx.sh
>>>>>>>>>>>>
>>>>>>>>>>>> to stop and start networking
>>>>>>>>>>>> service networking stop
>>>>>>>>>>>> service networking start
>>>>>>>>>>>>
>>>>>>>>>>>> I hope it helps :)
>>>>>>>>>>>> Grazcoin
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> On 2014-03-19 22:17, Amir Taaki wrote:
>>>>>>>>>>>>> hey I'll take a look soon. I just accidentally shut off my
>>>>>>>>>>>>> server
>>>>>>>> today
>>>>>>>>>>>>> when connected via ssh and tries to shut down the networking.
>>>>>>>>>>>>> doh
>>>>>>>>>>>>>
>>>>>>>>>>>>> On 19/03/14 21:36, Thomas Hartman wrote:
>>>>>>>>>>>>>> my guess would be that libbitcoin might be the component with
>>>>>>>>>>>>>> lingering libs. so you might need to "nuke" that more
>>>>>>>>>>>>>> thoroughly.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Wed, Mar 19, 2014 at 1:35 PM, Thomas Hartman
>>>>>>>>>>>>>> <thomas@???> wrote:
>>>>>>>>>>>>>>> shot in the dark, but
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> $ make clean
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> and then run install-sx again?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Sounds like some library component still might have old
>>>>>>>>>>>>>>> code.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Wed, Mar 19, 2014 at 11:12 AM, Grazcoin
>>>>>>>>>>>>>>> <grazcoin@???>
>>>>>>>> wrote:
>>>>>>>>>>>>>>>> I was using the install-sx.sh script cloned today which
>>>>>>>>>>>>>>>> updates
>>>>>>>> anyway
>>>>>>>>>>>>>>>> all sources, so I am in HEAD on all components (libbitcoin,
>>>>>>>> libwallet,
>>>>>>>>>>>>>>>> obelisk, sx, czmqpp, czmq, etc).
>>>>>>>>>>>>>>>> If you give me some hints or debug instructions, I could
>>>>>>>>>>>>>>>> try to
>>>>>>>> fix it
>>>>>>>>>>>>>>>> myself.
>>>>>>>>>>>>>>>> I am working with ubuntu 13.10
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On 2014-03-19 18:25, Amir Taaki wrote:
>>>>>>>>>>>>>>>>> czmqpp-gitUpdate Obelisk and libczmq++
>>>>>>>>>>>>>>>>> I fixed this a few days ago but should work now.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On 19/03/14 17:22, Grazcoin wrote:
>>>>>>>>>>>>>>>>>> I decided to give the latest obelisk a try on ubuntu with
>>>>>>>> offline usage.
>>>>>>>>>>>>>>>>>> It works already partially.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Starting from a normal setup with network - everything
>>>>>>>>>>>>>>>>>> works
>>>>>>>> fine.
>>>>>>>>>>>>>>>>>> Turning off networking.
>>>>>>>>>>>>>>>>>> # service networking stop
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Start worker
>>>>>>>>>>>>>>>>>> ubuntu@bitcoin:~/worker1$ obworker
>>>>>>>>>>>>>>>>>> Using config file: /etc/obelisk/worker.cfg
>>>>>>>>>>>>>>>>>> Press CTRL-C to shut down.
>>>>>>>>>>>>>>>>>> DEBUG [worker]: Listening: tcp://*:9091
>>>>>>>>>>>>>>>>>> INFO [worker]: worker ready
>>>>>>>>>>>>>>>>>> DEBUG [worker]: Heartbeat: tcp://*:9092
>>>>>>>>>>>>>>>>>> ERROR [protocol]: Failed to start handshake service: Bad
>>>>>>>> stream
>>>>>>>>>>>>>>>>>> Node started.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Then send a request
>>>>>>>>>>>>>>>>>> ubuntu@bitcoin:~/worker1$ sx fetch-last-height
>>>>>>>>>>>>>>>>>> 291345
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> great! it works!
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Then a second request
>>>>>>>>>>>>>>>>>> ubuntu@bitcoin:~/worker1$ sx fetch-last-height
>>>>>>>>>>>>>>>>>> oh ...
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> I get:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> obworker: worker/worker.cpp:29: void
>>>>>>>>>>>>>>>>>> obelisk::send_worker::queue_send(const
>>>>>>>> obelisk::outgoing_message&):
>>>>>>>>>>>>>>>>>> Assertion `socket.self()' failed.
>>>>>>>>>>>>>>>>>> Aborted (core dumped)
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> I use the master HEAD.
>>>>>>>>>>>>>>>>>> This behavior is repeatable.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Quick fix?
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> On 2014-01-31 20:35, Grazcoin wrote:
>>>>>>>>>>>>>>>>>>> I tried it on the latest ubuntu...
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> On 2014-01-31 20:34, Thomas Hartman wrote:
>>>>>>>>>>>>>>>>>>>> I don't know the answer to your question, but what
>>>>>>>>>>>>>>>>>>>> distro
>>>>>>>> are you running?
>>>>>>>>>>>>>>>>>>>> It ran out of the box for me on debian 7.1 but not on
>>>>>>>> latest ubuntu.
>>>>>>>>>>>>>>>>>>>> On Jan 31, 2014, at 6:05 AM, Grazcoin wrote:
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> I was trying to test the functioning of obelisk
>>>>>>>>>>>>>>>>>>>>> offline:
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> 1. started with a normal working online updated setup.
>>>>>>>>>>>>>>>>>>>>> 2. stopped the obworker and obbalancer.
>>>>>>>>>>>>>>>>>>>>> 3. updated /usr/local/etc/obelisk/worker.cfg with
>>>>>>>> outgoing-connections = 0 and listener_enabled = false
>>>>>>>>>>>>>>>>>>>>> 4. tried to start obworker, and got a crash. No extra
>>>>>>>>>>>>>>>>>>>>> info
>>>>>>>> on the error.log
>>>>>>>>>>>>>>>>>>>>> What is the correct config to make this work?
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> git is in sync.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> [jan-31 14:57:29] dev@dev-laptop:~/worker1$ obworker
>>>>>>>>>>>>>>>>>>>>> Using config file: /usr/local/etc/obelisk/worker.cfg
>>>>>>>>>>>>>>>>>>>>> Press CTRL-C to shut down.
>>>>>>>>>>>>>>>>>>>>> DEBUG [worker]: Connecting: tcp://localhost:9092
>>>>>>>>>>>>>>>>>>>>> INFO [worker]: worker ready
>>>>>>>>>>>>>>>>>>>>> ERROR [protocol]: Failed to start handshake service:
>>>>>>>>>>>>>>>>>>>>> Bad
>>>>>>>> stream
>>>>>>>>>>>>>>>>>>>>> ERROR: Unable to start session: Bad stream
>>>>>>>>>>>>>>>>>>>>> terminate called without an active exception
>>>>>>>>>>>>>>>>>>>>> Aborted (core dumped)
>>>>>>>>>>>>>>>>>>>>> [jan-31 14:57:39] dev@dev-laptop:~/worker1$ cat
>>>>>>>> /usr/local/etc/obelisk/worker.cfg
>>>>>>>>>>>>>>>>>>>>> # Debug messages output file.
>>>>>>>>>>>>>>>>>>>>> output-file = "debug.log"
>>>>>>>>>>>>>>>>>>>>> # Error messages output file.
>>>>>>>>>>>>>>>>>>>>> error-file = "error.log"
>>>>>>>>>>>>>>>>>>>>> # Path to blockchain directory.
>>>>>>>>>>>>>>>>>>>>> blockchain-path = "./blockchain/"
>>>>>>>>>>>>>>>>>>>>> # List of hosts (loaded on startup, saved on exit).
>>>>>>>>>>>>>>>>>>>>> # If non-existant or empty then Obelisk/libbitcoin
>>>>>>>>>>>>>>>>>>>>> will
>>>>>>>>>>>>>>>>>>>>> # fall back to trying seed nodes instead.
>>>>>>>>>>>>>>>>>>>>> hosts-file = "hosts"
>>>>>>>>>>>>>>>>>>>>> # Next 2 values ignored if publisher is disabled
>>>>>>>>>>>>>>>>>>>>> publisher_enabled = false
>>>>>>>>>>>>>>>>>>>>> block-publish = "tcp://*:9093"
>>>>>>>>>>>>>>>>>>>>> tx-publish = "tcp://*:9094"
>>>>>>>>>>>>>>>>>>>>> # Connection to the balancer.
>>>>>>>>>>>>>>>>>>>>> # Which port to connect to the load balancer on.
>>>>>>>>>>>>>>>>>>>>> service = "tcp://localhost:9092"
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> # Advanced features:
>>>>>>>>>>>>>>>>>>>>> # Uncomment to give this worker a named UUID. Must be
>>>>>>>> unique.
>>>>>>>>>>>>>>>>>>>>> #name = "ada"
>>>>>>>>>>>>>>>>>>>>> # Number of outgoing network connections to p2p
>>>>>>>>>>>>>>>>>>>>> network.
>>>>>>>>>>>>>>>>>>>>> outgoing-connections = 0
>>>>>>>>>>>>>>>>>>>>> # Listening for incoming connections.
>>>>>>>>>>>>>>>>>>>>> listener_enabled = false
>>>>>>>>>>>>>>>>>>>>> # Add manual outgoing nodes below.
>>>>>>>>>>>>>>>>>>>>> #nodes = (
>>>>>>>>>>>>>>>>>>>>> # ("localhost", 8333)
>>>>>>>>>>>>>>>>>>>>> #)
>>>>>>>>>>>>>>>>>>>>> # Show Obelisk requests in the log file for debugging
>>>>>>>>>>>>>>>>>>>>> or
>>>>>>>> security.
>>>>>>>>>>>>>>>>>>>>> # Slows down Obelisk speed. Disabled by default.
>>>>>>>>>>>>>>>>>>>>> #log_requests = true
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> _______________________________________________
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