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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Announcement: libcoin
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Hi Michael,
NOTE: Re-add bitcoin-dev to this thread on Cc...
I'll test this ASAP! I REALLY need this feature (blockchain server <->
wallet client).
I just want ask you some things...
1- How close is Libcoin with original Bitcoin? I mean, the output is a
little different, the bitcoind help output was disabled and, I'm afraid
that Libcoin can possibly being distant from Bitcoin in the future... That
can happen?!
2- Do you have plans to update Libcoin on every new upstream Bitcoin
release? How fast will be this updates? Do you need more resources/people
working on it?
Another questions not involved directly with Libcoin/Bitcoin but, I'll
need it for my future Bitcoin projects, and Libcoin is on my radar:
1- Do you know about Diaspora* Project?
2- Do you have skills in Ruby on Rails development?
Thank you!
Thiago
2012/3/3 Michael Gr=C3=B8nager <gronager@ceptacle.com>
> Hi Martin,
>
> There are a couple of options of doing similarly...
>
> In the libcoin repository you will find some code for btc and btcd, it is
> some code I wrote a while ago and it needs to be updated. It functions as=
a
> bitcoind master and slave. The btcd keeps the blockchain, but no wallet.
> btc keeps the wallet and contact the btcd to get transaction info (like
> send an address and get its transactions or send a transaction id and get
> its details). It works (or worked when I wrote them) with the wallet.dat,
> but needs a little update.
>
> You could e.g. run one btcd on the machine and several btc instances to
> get the functionality you asked for.
>
> Further, btcd also enables a web wallet, where the private keys are store=
d
> in your browsers local-store.
>
> I will get the application updated, but most likely in a bit other setup
> as it is something I intend to marketize in the near future.
>
> Hope this answers your question.
>
> Cheers,
>
> Michael
>
> On 03/03/2012, at 02:04, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=83=A0=
=E3=82=BA wrote:
>
> > Michael,
> >
> > libcoin is AWESOME! Thanks!!!
> >
> > Can I do the following scenario with libcoin ? :
> >
> > 1- Create a regular Linux user called "blockchain", with home dir
> pointed to /var/lib/libcoin/ (more or like Ubuntu/Debian mysql does);
> >
> > 2- Start "bitcoind" under user "blockchain" (the Bitcoin blockchain)
> will be downloaded to /var/lib/libcoin/bitcoin/ directory);
> >
> > 3- As another regular user, called "michael", I would like to run
> "bitcoind" too but, I do not want to re-download the blockchain to its ow=
n
> subdir, I want instead, to consult it (blockchain) through libcoin itself
> (not by socket of JSON)...
> >
> > So, the /home/michael/.bitcoin/ directory will have only wallet.dat and
> related files, not the blockchain.
> >
> > This is more or less what we can do with Bitcoin Electrum alternate
> client but, with Electrum, it copy the whole blockchain to mysql... This =
is
> terrible from my point of view, I think that there is no need to duplicat=
e
> the blockchain within MySQL in anyway.
> >
> > I just imagine a bitcoin splited in two, blockchain in one side and
> wallet in the other side.
> >
> > This is possible with libcoin?!
> >
> > Thank you again!
> >
> > Best,
> > Thiago
> >
> > 2012/2/28 Michael Gr=C3=B8nager <gronager@ceptacle.com>
> > Hi again - and thanks for testing and finding this!
> >
> > I have fixed the bug you reported:
> >
> > The culprit was an implicit string constructor for the ChainAddress tha=
t
> caused creation of a not fully initialized ChainAddress. The right way to
> do it is using chain::getAddress(string) as the ChainAddress is chain
> specific.
> >
> > A git pull will fix it ;)
> >
> > Cheers,
> >
> > Michael
> >
> >
> > On 27/02/2012, at 20:03, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=83=A0=
=E3=82=BA wrote:
> >
> >> AWESOME!! Thank you!!
> >>
> >> Anyway, I found a new problem... lol
> >>
> >> /usr/local/bin/bitcoind getinfo #okay
> >> {
> >> "version" : 40001,
> >> "blocks" : 168753,
> >> "connections" : 8,
> >> "difficulty" : 1376302.26788638,
> >> "testnet" : false
> >> }
> >>
> >> /usr/local/bin/bitcoind getaccountaddress "" # okay...
> >> 1J4vNcvEdeCuLH4yvyoC2gxFEF4zquoJ87
> >>
> >> /usr/local/bin/bitcoind listaccounts # NOT okay...
> >> {
> >> }
> >>
> >> /usr/local/bin/bitcoind getaccountaddress "teste" # okay
> >> 1E6pGh6AAtuJdFXheZMp1zdYmvdqAQn9QT
> >>
> >> /usr/local/bin/bitcoind listaccounts # NOT okay...
> >> {
> >> "teste" : 0.00000000
> >> }
> >>
> >> Where is my default account listed at "listaccounts" output?!
> >>
> >> Best,
> >> Thiago
> >>
> >> 2012/2/26 Michael Gr=C3=B8nager <gronager@ceptacle.com>
> >> And if you do an update now "help" is there too ;)
> >>
> >> /M
> >>
> >> On 25/02/2012, at 03:11, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=83=
=A0=E3=82=BA wrote:
> >>
> >>> Thank you!!!
> >>>
> >>> It is all working now! Except "help"...
> >>>
> >>> Nice work Michael!!
> >>>
> >>> Best,
> >>> Thiago
> >>>
> >>> 2012/2/24 Michael Gr=C3=B8nager <gronager@ceptacle.com>
> >>> OK - didn't took the weekend:
> >>>
> >>> support for "port" is on github now :)
> >>>
> >>> Only took two lines:
> >>>
> >>> ("port", value<unsigned short>(&port)->default_value(8333),
> "Listen on specified port for the p2p protocol")
> >>>
> >>> and using the port option in the Node constructor (was there already)=
:
> >>>
> >>> Node node(chain, data_dir, args.count("nolisten") ? "" :
> "0.0.0.0", lexical_cast<string>(port)); // it is also here we specify the
> use of a proxy!
> >>>
> >>> /M
> >>>
> >>>
> >>>
> >>> On 24/02/2012, at 19:49, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=83=
=A0=E3=82=BA wrote:
> >>>
> >>>> Hi Michael,
> >>>>
> >>>> Thank you for your attention!
> >>>>
> >>>> Now, I'm trying to start libcoin's bitcoind using high ports but, it
> always try to listen at 8332, no matter what I "say"...
> >>>>
> >>>> Look:
> >>>>
> >>>> $ cat .bitcoin/bitcoin.conf
> >>>> server=3D1
> >>>> daemon=3D1
> >>>> rpcuser=3Dlibcoin
> >>>> rpcpassword=3DLibCoin13
> >>>> rpcport=3D10332
> >>>> port=3D10333
> >>>>
> >>>> But:
> >>>>
> >>>> /usr/local/bin/bitcoind
> >>>> Error: Address already in use
> >>>>
> >>>> terminate called after throwing an instance of 'DbException'
> >>>> what(): DbEnv::close: Invalid argument
> >>>> Aborted
> >>>>
> >>>> When I "strace it", I can see:
> >>>>
> >>>> ...
> >>>> bind(12, {sa_family=3DAF_INET, sin_port=3Dhtons(8333),
> sin_addr=3Dinet_addr("0.0.0.0")}, 16) =3D -1 EADDRINUSE (Address already =
in use)
> >>>> ...
> >>>>
> >>>> I already tried:
> >>>>
> >>>> /usr/local/bin/bitcoind --rpcport 10332
> >>>> /usr/local/bin/bitcoind --rpcport=3D10332
> >>>>
> >>>> Without success...
> >>>>
> >>>> Thanks again!
> >>>> Thiago
> >>>>
> >>>> 2012/2/24 Michael Gr=C3=B8nager <gronager@ceptacle.com>
> >>>> Hi Thiago,
> >>>>
> >>>> Forgot to comment on the two latter:
> >>>>
> >>>>> $ bitcoind getaccountaddress ""
> >>>>> HTTP error code: 401
> >>>>> Error: couldn't parse reply from server
> >>>>>
> >>>>> $ bitcoind listaccounts
> >>>>> HTTP error code: 401
> >>>>> Error: couldn't parse reply from server
> >>>>>
> >>>>
> >>>> 401 =3D permission denied - you need to setup username / password
> either on the commandline or in the bicoin.conf file to access those
> commands...
> >>>>
> >>>> See in the bitcoind.cpp file for commands that you can use with and
> without auth...
> >>>>
> >>>> Those that contains an "auth" requires auth:
> >>>>
> >>>> server.registerMethod(method_ptr(new GetBalance(wallet)), auth);
> >>>>
> >>>> As opposed to:
> >>>>
> >>>> server.registerMethod(method_ptr(new GetInfo(node)));
> >>>>
> >>>> auth is defined by:
> >>>>
> >>>> Auth auth(rpc_user, rpc_pass); // if rpc_user and rpc_pass are no=
t
> set, all authenticated methods becomes disallowed.
> >>>>
> >>>> so you just experience the case explained in the comment ;) I admit
> that the output could be more readable, though!
> >>>>
> >>>> /M
> >>>>
> >>>>
> >>>>>
> >>>>> Any tips?! lol
> >>>>>
> >>>>> Thanks!
> >>>>> Thiago
> >>>>>
> >>>>> 2012/2/23 Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=83=A0=E3=82=BA <=
thiagocmartinsc@gmail.com>
> >>>>> AWESOME!!!
> >>>>>
> >>>>> I can compile libcoin at my Ubuntu 11.10... I just need to install:
> >>>>>
> >>>>> sudo aptitude install libboost1.46-all-dev
> >>>>>
> >>>>> ...alongside with another already installed dependencies, and now i=
t
> works!!
> >>>>>
> >>>>> Thank you!
> >>>>> Thiago
> >>>>>
> >>>>> 2012/2/23 Michael Gr=C3=B8nager <gronager@ceptacle.com>
> >>>>> Hi Martinx,
> >>>>>
> >>>>> Another note:
> >>>>>
> >>>>> boost 1.42 and openssl 1.0 has a conflict (you will see it when you
> try to compile coinHTTP with that specific combination: sslv2 has been
> removed from openssl, but boost still references it.)
> >>>>>
> >>>>> You should do a :
> >>>>>
> >>>>> sudo apt-get upgrade libboost-dev-all
> >>>>>
> >>>>> to get the 1.46.1 library
> >>>>>
> >>>>> /M
> >>>>>
> >>>>>
> >>>>> On 23/02/2012, at 18:31, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=
=83=A0=E3=82=BA wrote:
> >>>>>
> >>>>>> Hi Michael!
> >>>>>>
> >>>>>> Thank you for libcoin! It is a awesome evolution for Bitcoin and
> for the CryptoCurrencies as a hole... Thanks!!!
> >>>>>>
> >>>>>> Anyway, I am unable to compile libcoin under my Ubuntu 11.04. At
> this machine, I have compiled and running Bitcoin (from sources), Namecoi=
n,
> Devcoin, Litecoin, IXcoin and I0coin, all from sources but, when I try to
> compile libcoin, I got:
> >>>>>>
> >>>>>> ----
> >>>>>> user@desk:~/libcoin$ ./configure
> >>>>>> -- The C compiler identification is GNU
> >>>>>> -- The CXX compiler identification is GNU
> >>>>>> -- Check for working C compiler: /usr/bin/gcc
> >>>>>> -- Check for working C compiler: /usr/bin/gcc -- works
> >>>>>> -- Detecting C compiler ABI info
> >>>>>> -- Detecting C compiler ABI info - done
> >>>>>> -- Check for working CXX compiler: /usr/bin/c++
> >>>>>> -- Check for working CXX compiler: /usr/bin/c++ -- works
> >>>>>> -- Detecting CXX compiler ABI info
> >>>>>> -- Detecting CXX compiler ABI info - done
> >>>>>> -- Looking for include files CMAKE_HAVE_PTHREAD_H
> >>>>>> -- Looking for include files CMAKE_HAVE_PTHREAD_H - found
> >>>>>> -- Looking for pthread_create in pthreads
> >>>>>> -- Looking for pthread_create in pthreads - not found
> >>>>>> -- Looking for pthread_create in pthread
> >>>>>> -- Looking for pthread_create in pthread - found
> >>>>>> -- Found Threads: TRUE
> >>>>>> -- Looking for XOpenDisplay in
> /usr/lib/i386-linux-gnu/libX11.so;/usr/lib/i386-linux-gnu/libXext.so
> >>>>>> -- Looking for XOpenDisplay in
> /usr/lib/i386-linux-gnu/libX11.so;/usr/lib/i386-linux-gnu/libXext.so - fo=
und
> >>>>>> -- Looking for gethostbyname
> >>>>>> -- Looking for gethostbyname - found
> >>>>>> -- Looking for connect
> >>>>>> -- Looking for connect - found
> >>>>>> -- Looking for remove
> >>>>>> -- Looking for remove - found
> >>>>>> -- Looking for shmat
> >>>>>> -- Looking for shmat - found
> >>>>>> -- Looking for IceConnectionNumber in ICE
> >>>>>> -- Looking for IceConnectionNumber in ICE - found
> >>>>>> -- Found X11: /usr/lib/i386-linux-gnu/libX11.so
> >>>>>> -- Boost version: 1.42.0
> >>>>>> -- Found the following Boost libraries:
> >>>>>> -- date_time
> >>>>>> -- regex
> >>>>>> -- filesystem
> >>>>>> -- system
> >>>>>> -- program_options
> >>>>>> -- thread
> >>>>>> -- Found OpenSSL: /usr/lib/libssl.so;/usr/lib/libcrypto.so
> >>>>>> -- Looking for Q_WS_X11
> >>>>>> -- Looking for Q_WS_X11 - found
> >>>>>> -- Looking for Q_WS_WIN
> >>>>>> -- Looking for Q_WS_WIN - not found.
> >>>>>> -- Looking for Q_WS_QWS
> >>>>>> -- Looking for Q_WS_QWS - not found.
> >>>>>> -- Looking for Q_WS_MAC
> >>>>>> -- Looking for Q_WS_MAC - not found.
> >>>>>> -- Found Qt-Version 4.7.2 (using /usr/bin/qmake)
> >>>>>> -- Found wxWidgets: TRUE
> >>>>>>
> >>>>>> The build system is configured to install libraries to
> /usr/local/lib
> >>>>>> Your applications may not be able to find your installed libraries
> unless you:
> >>>>>> set your LD_LIBRARY_PATH (user specific) or
> >>>>>> update your ld.so configuration (system wide)
> >>>>>> You have an ld.so.conf.d directory on your system, so if you wish
> to ensure that
> >>>>>> applications find the installed libcoin libraries, system wide, yo=
u
> could install an
> >>>>>> libcoin specific ld.so configuration with:
> >>>>>> sudo make install_ld_conf
> >>>>>>
> >>>>>> -- Configuring done
> >>>>>> -- Generating done
> >>>>>> -- Build files have been written to: /home/user/libcoin
> >>>>>> ----
> >>>>>>
> >>>>>> Now I tried make, without success:
> >>>>>>
> >>>>>> ----
> >>>>>> .....
> >>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum const&)]+0xf):
> undefined reference to `BN_init'
> >>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum const&)]+0x1e):
> undefined reference to `BN_copy'
> >>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum const&)]+0x38):
> undefined reference to `BN_set_negative'
> >>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum const&)]+0x4f):
> undefined reference to `BN_clear_free'
> >>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum const&)]+0xd3):
> undefined reference to `BN_clear_free'
> >>>>>> ../../lib/libcoin.a(Script.o): In function `operator<<(CBigNum
> const&, unsigned int)':
> >>>>>> Script.cpp:(.text._ZlsRK7CBigNumj[operator<<(CBigNum const&,
> unsigned int)]+0x16): undefined reference to `BN_init'
> >>>>>> Script.cpp:(.text._ZlsRK7CBigNumj[operator<<(CBigNum const&,
> unsigned int)]+0x2c): undefined reference to `BN_lshift'
> >>>>>> Script.cpp:(.text._ZlsRK7CBigNumj[operator<<(CBigNum const&,
> unsigned int)]+0xad): undefined reference to `BN_clear_free'
> >>>>>> ../../lib/libcoin.a(Script.o): In function `operator>>(CBigNum
> const&, unsigned int)':
> >>>>>> Script.cpp:(.text._ZrsRK7CBigNumj[operator>>(CBigNum const&,
> unsigned int)]+0xf): undefined reference to `BN_init'
> >>>>>> Script.cpp:(.text._ZrsRK7CBigNumj[operator>>(CBigNum const&,
> unsigned int)]+0x1e): undefined reference to `BN_copy'
> >>>>>> Script.cpp:(.text._ZrsRK7CBigNumj[operator>>(CBigNum const&,
> unsigned int)]+0x47): undefined reference to `BN_clear_free'
> >>>>>> Script.cpp:(.text._ZrsRK7CBigNumj[operator>>(CBigNum const&,
> unsigned int)]+0xcb): undefined reference to `BN_clear_free'
> >>>>>> ../../lib/libcoin.a(Script.o): In function `operator!=3D(CBigNum
> const&, CBigNum const&)':
> >>>>>> Script.cpp:(.text._ZneRK7CBigNumS1_[operator!=3D(CBigNum const&,
> CBigNum const&)]+0x14): undefined reference to `BN_cmp'
> >>>>>> ../../lib/libcoin.a(Script.o): In function `operator>(CBigNum
> const&, CBigNum const&)':
> >>>>>> Script.cpp:(.text._ZgtRK7CBigNumS1_[operator>(CBigNum const&,
> CBigNum const&)]+0x14): undefined reference to `BN_cmp'
> >>>>>> ../../lib/libcoin.a(Script.o): In function `uint256
> Hash<__gnu_cxx::__normal_iterator<unsigned char*, std::vector<unsigned
> char, std::allocator<unsigned char> > >
> >(__gnu_cxx::__normal_iterator<unsigned char*, std::vector<unsigned char,
> std::allocator<unsigned char> > >, __gnu_cxx::__normal_iterator<unsigned
> char*, std::vector<unsigned char, std::allocator<unsigned char> > >)':
> >>>>>>
> Script.cpp:(.text._Z4HashIN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaI=
hEEEEE7uint256T_S8_[uint256
> Hash<__gnu_cxx::__normal_iterator<unsigned char*, std::vector<unsigned
> char, std::allocator<unsigned char> > >
> >(__gnu_cxx::__normal_iterator<unsigned char*, std::vector<unsigned char,
> std::allocator<unsigned char> > >, __gnu_cxx::__normal_iterator<unsigned
> char*, std::vector<unsigned char, std::allocator<unsigned char> >
> >)]+0x6d): undefined reference to `SHA256'
> >>>>>>
> Script.cpp:(.text._Z4HashIN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaI=
hEEEEE7uint256T_S8_[uint256
> Hash<__gnu_cxx::__normal_iterator<unsigned char*, std::vector<unsigned
> char, std::allocator<unsigned char> > >
> >(__gnu_cxx::__normal_iterator<unsigned char*, std::vector<unsigned char,
> std::allocator<unsigned char> > >, __gnu_cxx::__normal_iterator<unsigned
> char*, std::vector<unsigned char, std::allocator<unsigned char> >
> >)]+0xb8): undefined reference to `SHA256'
> >>>>>> collect2: ld returned 1 exit status
> >>>>>> make[2]: *** [bin/bitcoind] Error 1
> >>>>>> make[1]: ***
> [applications/bitcoind/CMakeFiles/app_bitcoind.dir/all] Error 2
> >>>>>> make: *** [all] Error 2
> >>>>>> -----
> >>>>>>
> >>>>>> What can I do?!
> >>>>>>
> >>>>>> Best,
> >>>>>> Thiago
> >>>>>>
> >>>>>>
> >>>>>> On 1 February 2012 12:18, Michael Gr=C3=B8nager <gronager@ceptacle=
.com>
> wrote:
> >>>>>> Dear Bitcoiners,
> >>>>>>
> >>>>>> libcoin is now in a state ready for its first release, which I
> would like to share with you!
> >>>>>>
> >>>>>> =3D=3D=3D libcoin is a crypto currency library based on the
> bitcoin/bitcoin "Satoshi" client. =3D=3D=3D
> >>>>>>
> >>>>>> Copenhagen, Denmark - 1st February 2012 Ceptacle announces the
> release of the first version of the crypto currency library "libcoin" bas=
ed
> on the bitcoin/bitcoin "Satoshi" client.
> >>>>>>
> >>>>>> libcoin also maintains a version of bitcoind that is a 100%
> compatible drop-in replacement of the bitcoin/bitcoind client: You can us=
e
> it on the same computer on the same files and you can call it with the sa=
me
> scripts. And you can easily extend it without touching the basic bitcoin
> source files.
> >>>>>>
> >>>>>> The libcoin/bitcoind client downloads the entire block chain 3.5
> times faster than the bitcoin/bitcoind client. This is less than 90 minut=
es
> on a modern laptop!
> >>>>>>
> >>>>>> In libcoin, the Satoshi client code has been completely refactored=
,
> properly encapsulating classes, removing all globals, moving from threads
> and mutexes to a pure asynchronous approach. Functionalities have been
> divided into logical units and libraries, minimizing dependencies for e.g=
.
> thin clients.
> >>>>>>
> >>>>>> libcoin is chain agnostic, all chain (bitcoin, testnet, namecoin,
> litecoin, ...) specific settings are maintained from a single class (Chai=
n)
> and hence experiments with chain settings, mining, security and digital
> currencies for research and educational purposes are easily accessible. S=
ee
> the ponzicoin example for how you define your own chain.
> >>>>>>
> >>>>>> The build system of libcoin is based on CMake and supports builds
> of static and dynamic libraries on Linux, Mac OS X, and Windows.
> >>>>>>
> >>>>>> The libcoin license is LGPL v. 3. This mean that you can use it in
> open source as well as in commercial projects, but improvements should go
> back into the libcoin library.
> >>>>>>
> >>>>>> =3D=3D=3D=3D=3D=3D
> >>>>>>
> >>>>>> Read more on libcoin on: http://github.com/ceptacle/libcoin/wiki
> >>>>>>
> >>>>>> Join libcoin on twitter: http://twitter.com/libcoin
> >>>>>>
> >>>>>> Download "libcoin Satoshi release":
> http://github.com/ceptacle/libcoin/zipball/v0.4.0.1
> >>>>>>
> >>>>>> Best regards,
> >>>>>>
> >>>>>> Michael Gronager, PhD
> >>>>>> Director, Ceptacle
> >>>>>> Jens Juels Gade 33
> >>>>>> 2100 Copenhagen E
> >>>>>> Mobile: +45 31 45 14 01
> >>>>>> E-mail: gronager@ceptacle.com
> >>>>>> Web: http://www.ceptacle.com/
> >>>>>>
> >>>>>>
> >>>>>>
> -------------------------------------------------------------------------=
-----
> >>>>>> Keep Your Developer Skills Current with LearnDevNow!
> >>>>>> The most comprehensive online learning library for Microsoft
> developers
> >>>>>> is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3,
> MVC3,
> >>>>>> Metro Style Apps, more. Free future releases when you subscribe no=
w!
> >>>>>> http://p.sf.net/sfu/learndevnow-d2d
> >>>>>> _______________________________________________
> >>>>>> Bitcoin-development mailing list
> >>>>>> Bitcoin-development@lists.sourceforge.net
> >>>>>> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
> >>>>>>
> >>>>>
> >>>>> Michael Gronager, PhD
> >>>>> Director, Ceptacle
> >>>>> Jens Juels Gade 33
> >>>>> 2100 Copenhagen E
> >>>>> Mobile: +45 31 45 14 01
> >>>>> E-mail: gronager@ceptacle.com
> >>>>> Web: http://www.ceptacle.com/
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>
> >>> Michael Gronager, PhD
> >>> Director, Ceptacle
> >>> Jens Juels Gade 33
> >>> 2100 Copenhagen E
> >>> Mobile: +45 31 45 14 01
> >>> E-mail: gronager@ceptacle.com
> >>> Web: http://www.ceptacle.com/
> >>>
> >>>
> >>
> >> Michael Gronager, PhD
> >> Director, Ceptacle
> >> Jens Juels Gade 33
> >> 2100 Copenhagen E
> >> Mobile: +45 31 45 14 01
> >> E-mail: gronager@ceptacle.com
> >> Web: http://www.ceptacle.com/
> >>
> >>
> >
> > Michael Gronager, PhD
> > Director, Ceptacle
> > Jens Juels Gade 33
> > 2100 Copenhagen E
> > Mobile: +45 31 45 14 01
> > E-mail: gronager@ceptacle.com
> > Web: http://www.ceptacle.com/
> >
> >
>
> Michael Gronager, PhD
> Director, Ceptacle
> Jens Juels Gade 33
> 2100 Copenhagen E
> Mobile: +45 31 45 14 01
> E-mail: gronager@ceptacle.com
> Web: http://www.ceptacle.com/
>
>
--bcaec501c5b0cba3aa04bbd2a7fd
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Hi Michael,<div><br></div><div>=C2=A0NOTE: Re-add bitcoin-dev to this threa=
d on Cc...</div><div><br></div><div>=C2=A0I'll test this ASAP! I REALLY=
need this feature (blockchain server <-> wallet client).</div><div><=
br></div>
<div>=C2=A0I just want ask you some things...</div><div><br></div><div>=C2=
=A01- How close is Libcoin with original Bitcoin? I mean, the output is a l=
ittle different, the bitcoind help output was disabled and, I'm afraid =
that Libcoin can possibly being distant from Bitcoin in the future... That =
can happen?!</div>
<div><br></div><div>=C2=A02- Do you have plans to update Libcoin on every n=
ew upstream Bitcoin release? How fast will be this updates? Do you need mor=
e resources/people working on it?</div><div><br></div><div><br></div><div>=
=C2=A0Another questions not involved directly with Libcoin/Bitcoin but, I&#=
39;ll need it for my future Bitcoin projects, and Libcoin is on my radar:</=
div>
<div><br></div><div>=C2=A01- Do you know about Diaspora* Project?</div><div=
><br></div><div>=C2=A02- Do you have skills in Ruby on Rails development?</=
div><div><br></div><div><br></div><div>Thank you!</div><div>Thiago<br><br><=
div class=3D"gmail_quote">
2012/3/3 Michael Gr=C3=B8nager <span dir=3D"ltr"><<a href=3D"mailto:gron=
ager@ceptacle.com" target=3D"_blank">gronager@ceptacle.com</a>></span><b=
r><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:=
1px #ccc solid;padding-left:1ex">
Hi Martin,<br>
<br>
There are a couple of options of doing similarly...<br>
<br>
In the libcoin repository you will find some code for btc and btcd, it is s=
ome code I wrote a while ago and it needs to be updated. It functions as a =
bitcoind master and slave. The btcd keeps the blockchain, but no wallet. bt=
c keeps the wallet and contact the btcd to get transaction info (like send =
an address and get its transactions or send a transaction id and get its de=
tails). It works (or worked when I wrote them) with the wallet.dat, but nee=
ds a little update.<br>
<br>
You could e.g. run one btcd on the machine and several btc instances to get=
the functionality you asked for.<br>
<br>
Further, btcd also enables a web wallet, where the private keys are stored =
in your browsers local-store.<br>
<br>
I will get the application updated, but most likely in a bit other setup as=
it is something I intend to marketize in the near future.<br>
<br>
Hope this answers your question.<br>
<br>
Cheers,<br>
<br>
Michael<br>
<div><div><br>
On 03/03/2012, at 02:04, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=83=A0=E3=
=82=BA wrote:<br>
<br>
> Michael,<br>
><br>
> libcoin is AWESOME! Thanks!!!<br>
><br>
> Can I do the following scenario with libcoin ? :<br>
><br>
> 1- Create a regular Linux user called "blockchain", with hom=
e dir pointed to /var/lib/libcoin/ (more or like Ubuntu/Debian mysql does);=
<br>
><br>
> 2- Start "bitcoind" under user "blockchain" (the B=
itcoin blockchain) will be downloaded to /var/lib/libcoin/bitcoin/ director=
y);<br>
><br>
> 3- As another regular user, called "michael", I would like t=
o run "bitcoind" too but, I do not want to re-download the blockc=
hain to its own subdir, I want instead, to consult it (blockchain) through =
libcoin itself (not by socket of JSON)...<br>
><br>
> So, the /home/michael/.bitcoin/ directory will have only wallet.dat an=
d related files, not the blockchain.<br>
><br>
> This is more or less what we can do with Bitcoin Electrum alternate cl=
ient but, with Electrum, it copy the whole blockchain to mysql... This is t=
errible from my point of view, I think that there is no need to duplicate t=
he blockchain within MySQL in anyway.<br>
><br>
> I just imagine a bitcoin splited in two, blockchain in one side and wa=
llet in the other side.<br>
><br>
> This is possible with libcoin?!<br>
><br>
> Thank you again!<br>
><br>
> Best,<br>
> Thiago<br>
><br>
> 2012/2/28 Michael Gr=C3=B8nager <<a href=3D"mailto:gronager@ceptacl=
e.com" target=3D"_blank">gronager@ceptacle.com</a>><br>
> Hi again - and thanks for testing and finding this!<br>
><br>
> I have fixed the bug you reported:<br>
><br>
> The culprit was an implicit string constructor for the ChainAddress th=
at caused creation of a not fully initialized ChainAddress. The right way t=
o do it is using chain::getAddress(string) as the ChainAddress is chain spe=
cific.<br>
><br>
> A git pull will fix it ;)<br>
><br>
> Cheers,<br>
><br>
> Michael<br>
><br>
><br>
> On 27/02/2012, at 20:03, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=83=
=A0=E3=82=BA wrote:<br>
><br>
>> AWESOME!! Thank you!!<br>
>><br>
>> Anyway, I found a new problem... lol<br>
>><br>
>> /usr/local/bin/bitcoind getinfo #okay<br>
>> {<br>
>> =C2=A0 "version" : 40001,<br>
>> =C2=A0 "blocks" : 168753,<br>
>> =C2=A0 "connections" : 8,<br>
>> =C2=A0 "difficulty" : 1376302.26788638,<br>
>> =C2=A0 "testnet" : false<br>
>> }<br>
>><br>
>> /usr/local/bin/bitcoind getaccountaddress "" =C2=A0# oka=
y...<br>
>> 1J4vNcvEdeCuLH4yvyoC2gxFEF4zquoJ87<br>
>><br>
>> /usr/local/bin/bitcoind listaccounts # NOT okay...<br>
>> {<br>
>> }<br>
>><br>
>> /usr/local/bin/bitcoind getaccountaddress "teste" # okay=
<br>
>> 1E6pGh6AAtuJdFXheZMp1zdYmvdqAQn9QT<br>
>><br>
>> /usr/local/bin/bitcoind listaccounts # NOT okay...<br>
>> {<br>
>> =C2=A0 "teste" : 0.00000000<br>
>> }<br>
>><br>
>> Where is my default account listed at "listaccounts" out=
put?!<br>
>><br>
>> Best,<br>
>> Thiago<br>
>><br>
>> 2012/2/26 Michael Gr=C3=B8nager <<a href=3D"mailto:gronager@cep=
tacle.com" target=3D"_blank">gronager@ceptacle.com</a>><br>
>> And if you do an update now "help" is there too ;)<br>
>><br>
>> /M<br>
>><br>
>> On 25/02/2012, at 03:11, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=
=83=A0=E3=82=BA wrote:<br>
>><br>
>>> Thank you!!!<br>
>>><br>
>>> It is all working now! Except "help"...<br>
>>><br>
>>> Nice work Michael!!<br>
>>><br>
>>> Best,<br>
>>> Thiago<br>
>>><br>
>>> 2012/2/24 Michael Gr=C3=B8nager <<a href=3D"mailto:gronager=
@ceptacle.com" target=3D"_blank">gronager@ceptacle.com</a>><br>
>>> OK - didn't took the weekend:<br>
>>><br>
>>> support for "port" is on github now :)<br>
>>><br>
>>> Only took two lines:<br>
>>><br>
>>> =C2=A0 =C2=A0 =C2=A0 =C2=A0 ("port", value<unsign=
ed short>(&port)->default_value(8333), "Listen on specified =
port for the p2p protocol")<br>
>>><br>
>>> and using the port option in the Node constructor (was there a=
lready):<br>
>>><br>
>>> =C2=A0 =C2=A0 Node node(chain, data_dir, args.count("noli=
sten") ? "" : "0.0.0.0", lexical_cast<string>=
;(port)); // it is also here we specify the use of a proxy!<br>
>>><br>
>>> /M<br>
>>><br>
>>><br>
>>><br>
>>> On 24/02/2012, at 19:49, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=
=E3=83=A0=E3=82=BA wrote:<br>
>>><br>
>>>> Hi Michael,<br>
>>>><br>
>>>> Thank you for your attention!<br>
>>>><br>
>>>> Now, I'm trying to start libcoin's bitcoind using =
high ports but, it always try to listen at 8332, no matter what I "say=
"...<br>
>>>><br>
>>>> Look:<br>
>>>><br>
>>>> $ cat .bitcoin/bitcoin.conf<br>
>>>> server=3D1<br>
>>>> daemon=3D1<br>
>>>> rpcuser=3Dlibcoin<br>
>>>> rpcpassword=3DLibCoin13<br>
>>>> rpcport=3D10332<br>
>>>> port=3D10333<br>
>>>><br>
>>>> But:<br>
>>>><br>
>>>> /usr/local/bin/bitcoind<br>
>>>> Error: Address already in use<br>
>>>><br>
>>>> terminate called after throwing an instance of 'DbExce=
ption'<br>
>>>> what(): =C2=A0DbEnv::close: Invalid argument<br>
>>>> Aborted<br>
>>>><br>
>>>> When I "strace it", I can see:<br>
>>>><br>
>>>> ...<br>
>>>> bind(12, {sa_family=3DAF_INET, sin_port=3Dhtons(8333), sin=
_addr=3Dinet_addr("0.0.0.0")}, 16) =3D -1 EADDRINUSE (Address alr=
eady in use)<br>
>>>> ...<br>
>>>><br>
>>>> I already tried:<br>
>>>><br>
>>>> /usr/local/bin/bitcoind --rpcport 10332<br>
>>>> /usr/local/bin/bitcoind --rpcport=3D10332<br>
>>>><br>
>>>> Without success...<br>
>>>><br>
>>>> Thanks again!<br>
>>>> Thiago<br>
>>>><br>
>>>> 2012/2/24 Michael Gr=C3=B8nager <<a href=3D"mailto:gron=
ager@ceptacle.com" target=3D"_blank">gronager@ceptacle.com</a>><br>
>>>> Hi Thiago,<br>
>>>><br>
>>>> Forgot to comment on the two latter:<br>
>>>><br>
>>>>> $ bitcoind getaccountaddress ""<br>
>>>>> HTTP error code: 401<br>
>>>>> Error: couldn't parse reply from server<br>
>>>>><br>
>>>>> $ bitcoind listaccounts<br>
>>>>> HTTP error code: 401<br>
>>>>> Error: couldn't parse reply from server<br>
>>>>><br>
>>>><br>
>>>> 401 =3D permission denied - you need to setup username / p=
assword either on the commandline or in the bicoin.conf file to access thos=
e commands...<br>
>>>><br>
>>>> See in the bitcoind.cpp file for commands that you can use=
with and without auth...<br>
>>>><br>
>>>> Those that contains an "auth" requires auth:<br>
>>>><br>
>>>> =C2=A0 =C2=A0server.registerMethod(method_ptr(new GetBalan=
ce(wallet)), auth);<br>
>>>><br>
>>>> As opposed to:<br>
>>>><br>
>>>> =C2=A0 =C2=A0server.registerMethod(method_ptr(new GetInfo(=
node)));<br>
>>>><br>
>>>> auth is defined by:<br>
>>>><br>
>>>> =C2=A0 =C2=A0Auth auth(rpc_user, rpc_pass); // if rpc_user=
and rpc_pass are not set, all authenticated methods becomes disallowed.<br=
>
>>>><br>
>>>> so you just experience the case explained in the comment ;=
) I admit that the output could be more readable, though!<br>
>>>><br>
>>>> /M<br>
>>>><br>
>>>><br>
>>>>><br>
>>>>> Any tips?! lol<br>
>>>>><br>
>>>>> Thanks!<br>
>>>>> Thiago<br>
>>>>><br>
>>>>> 2012/2/23 Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3=83=
=A0=E3=82=BA <<a href=3D"mailto:thiagocmartinsc@gmail.com" target=3D"_bl=
ank">thiagocmartinsc@gmail.com</a>><br>
>>>>> AWESOME!!!<br>
>>>>><br>
>>>>> I can compile libcoin at my Ubuntu 11.10... I just nee=
d to install:<br>
>>>>><br>
>>>>> sudo aptitude install libboost1.46-all-dev<br>
>>>>><br>
>>>>> ...alongside with another already installed dependenci=
es, and now it works!!<br>
>>>>><br>
>>>>> Thank you!<br>
>>>>> Thiago<br>
>>>>><br>
>>>>> 2012/2/23 Michael Gr=C3=B8nager <<a href=3D"mailto:=
gronager@ceptacle.com" target=3D"_blank">gronager@ceptacle.com</a>><br>
>>>>> Hi Martinx,<br>
>>>>><br>
>>>>> Another note:<br>
>>>>><br>
>>>>> boost 1.42 and openssl 1.0 has a conflict (you will se=
e it when you try to compile coinHTTP with that specific combination: sslv2=
has been removed from openssl, but boost still references it.)<br>
>>>>><br>
>>>>> You should do a :<br>
>>>>><br>
>>>>> sudo apt-get upgrade libboost-dev-all<br>
>>>>><br>
>>>>> to get the 1.46.1 library<br>
>>>>><br>
>>>>> /M<br>
>>>>><br>
>>>>><br>
>>>>> On 23/02/2012, at 18:31, Martinx - =E3=82=B8=E3=82=A7=
=E3=83=BC=E3=83=A0=E3=82=BA wrote:<br>
>>>>><br>
>>>>>> Hi Michael!<br>
>>>>>><br>
>>>>>> Thank you for libcoin! It is a awesome evolution f=
or Bitcoin and for the CryptoCurrencies as a hole... Thanks!!!<br>
>>>>>><br>
>>>>>> Anyway, I am unable to compile libcoin under my Ub=
untu 11.04. At this machine, I have compiled and running Bitcoin (from sour=
ces), Namecoin, Devcoin, Litecoin, IXcoin and I0coin, all from sources but,=
when I try to compile libcoin, I got:<br>
>>>>>><br>
>>>>>> ----<br>
>>>>>> user@desk:~/libcoin$ ./configure<br>
>>>>>> -- The C compiler identification is GNU<br>
>>>>>> -- The CXX compiler identification is GNU<br>
>>>>>> -- Check for working C compiler: /usr/bin/gcc<br>
>>>>>> -- Check for working C compiler: /usr/bin/gcc -- w=
orks<br>
>>>>>> -- Detecting C compiler ABI info<br>
>>>>>> -- Detecting C compiler ABI info - done<br>
>>>>>> -- Check for working CXX compiler: /usr/bin/c++<br=
>
>>>>>> -- Check for working CXX compiler: /usr/bin/c++ --=
works<br>
>>>>>> -- Detecting CXX compiler ABI info<br>
>>>>>> -- Detecting CXX compiler ABI info - done<br>
>>>>>> -- Looking for include files CMAKE_HAVE_PTHREAD_H<=
br>
>>>>>> -- Looking for include files CMAKE_HAVE_PTHREAD_H =
- found<br>
>>>>>> -- Looking for pthread_create in pthreads<br>
>>>>>> -- Looking for pthread_create in pthreads - not fo=
und<br>
>>>>>> -- Looking for pthread_create in pthread<br>
>>>>>> -- Looking for pthread_create in pthread - found<b=
r>
>>>>>> -- Found Threads: TRUE<br>
>>>>>> -- Looking for XOpenDisplay in /usr/lib/i386-linux=
-gnu/libX11.so;/usr/lib/i386-linux-gnu/libXext.so<br>
>>>>>> -- Looking for XOpenDisplay in /usr/lib/i386-linux=
-gnu/libX11.so;/usr/lib/i386-linux-gnu/libXext.so - found<br>
>>>>>> -- Looking for gethostbyname<br>
>>>>>> -- Looking for gethostbyname - found<br>
>>>>>> -- Looking for connect<br>
>>>>>> -- Looking for connect - found<br>
>>>>>> -- Looking for remove<br>
>>>>>> -- Looking for remove - found<br>
>>>>>> -- Looking for shmat<br>
>>>>>> -- Looking for shmat - found<br>
>>>>>> -- Looking for IceConnectionNumber in ICE<br>
>>>>>> -- Looking for IceConnectionNumber in ICE - found<=
br>
>>>>>> -- Found X11: /usr/lib/i386-linux-gnu/libX11.so<br=
>
>>>>>> -- Boost version: 1.42.0<br>
>>>>>> -- Found the following Boost libraries:<br>
>>>>>> -- =C2=A0 date_time<br>
>>>>>> -- =C2=A0 regex<br>
>>>>>> -- =C2=A0 filesystem<br>
>>>>>> -- =C2=A0 system<br>
>>>>>> -- =C2=A0 program_options<br>
>>>>>> -- =C2=A0 thread<br>
>>>>>> -- Found OpenSSL: /usr/lib/libssl.so;/usr/lib/libc=
rypto.so<br>
>>>>>> -- Looking for Q_WS_X11<br>
>>>>>> -- Looking for Q_WS_X11 - found<br>
>>>>>> -- Looking for Q_WS_WIN<br>
>>>>>> -- Looking for Q_WS_WIN - not found.<br>
>>>>>> -- Looking for Q_WS_QWS<br>
>>>>>> -- Looking for Q_WS_QWS - not found.<br>
>>>>>> -- Looking for Q_WS_MAC<br>
>>>>>> -- Looking for Q_WS_MAC - not found.<br>
>>>>>> -- Found Qt-Version 4.7.2 (using /usr/bin/qmake)<b=
r>
>>>>>> -- Found wxWidgets: TRUE<br>
>>>>>><br>
>>>>>> The build system is configured to install librarie=
s to /usr/local/lib<br>
>>>>>> Your applications may not be able to find your ins=
talled libraries unless you:<br>
>>>>>> set your LD_LIBRARY_PATH (user specific) or<br>
>>>>>> update your ld.so configuration (system wide)<br>
>>>>>> You have an ld.so.conf.d directory on your system,=
so if you wish to ensure that<br>
>>>>>> applications find the installed libcoin libraries,=
system wide, you could install an<br>
>>>>>> libcoin specific ld.so configuration with:<br>
>>>>>> sudo make install_ld_conf<br>
>>>>>><br>
>>>>>> -- Configuring done<br>
>>>>>> -- Generating done<br>
>>>>>> -- Build files have been written to: /home/user/li=
bcoin<br>
>>>>>> ----<br>
>>>>>><br>
>>>>>> Now I tried make, without success:<br>
>>>>>><br>
>>>>>> ----<br>
>>>>>> .....<br>
>>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum=
const&)]+0xf): undefined reference to `BN_init'<br>
>>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum=
const&)]+0x1e): undefined reference to `BN_copy'<br>
>>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum=
const&)]+0x38): undefined reference to `BN_set_negative'<br>
>>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum=
const&)]+0x4f): undefined reference to `BN_clear_free'<br>
>>>>>> Script.cpp:(.text._ZngRK7CBigNum[operator-(CBigNum=
const&)]+0xd3): undefined reference to `BN_clear_free'<br>
>>>>>> ../../lib/libcoin.a(Script.o): In function `operat=
or<<(CBigNum const&, unsigned int)':<br>
>>>>>> Script.cpp:(.text._ZlsRK7CBigNumj[operator<<=
(CBigNum const&, unsigned int)]+0x16): undefined reference to `BN_init&=
#39;<br>
>>>>>> Script.cpp:(.text._ZlsRK7CBigNumj[operator<<=
(CBigNum const&, unsigned int)]+0x2c): undefined reference to `BN_lshif=
t'<br>
>>>>>> Script.cpp:(.text._ZlsRK7CBigNumj[operator<<=
(CBigNum const&, unsigned int)]+0xad): undefined reference to `BN_clear=
_free'<br>
>>>>>> ../../lib/libcoin.a(Script.o): In function `operat=
or>>(CBigNum const&, unsigned int)':<br>
>>>>>> Script.cpp:(.text._ZrsRK7CBigNumj[operator>>=
(CBigNum const&, unsigned int)]+0xf): undefined reference to `BN_init&#=
39;<br>
>>>>>> Script.cpp:(.text._ZrsRK7CBigNumj[operator>>=
(CBigNum const&, unsigned int)]+0x1e): undefined reference to `BN_copy&=
#39;<br>
>>>>>> Script.cpp:(.text._ZrsRK7CBigNumj[operator>>=
(CBigNum const&, unsigned int)]+0x47): undefined reference to `BN_clear=
_free'<br>
>>>>>> Script.cpp:(.text._ZrsRK7CBigNumj[operator>>=
(CBigNum const&, unsigned int)]+0xcb): undefined reference to `BN_clear=
_free'<br>
>>>>>> ../../lib/libcoin.a(Script.o): In function `operat=
or!=3D(CBigNum const&, CBigNum const&)':<br>
>>>>>> Script.cpp:(.text._ZneRK7CBigNumS1_[operator!=3D(C=
BigNum const&, CBigNum const&)]+0x14): undefined reference to `BN_c=
mp'<br>
>>>>>> ../../lib/libcoin.a(Script.o): In function `operat=
or>(CBigNum const&, CBigNum const&)':<br>
>>>>>> Script.cpp:(.text._ZgtRK7CBigNumS1_[operator>(C=
BigNum const&, CBigNum const&)]+0x14): undefined reference to `BN_c=
mp'<br>
>>>>>> ../../lib/libcoin.a(Script.o): In function `uint25=
6 Hash<__gnu_cxx::__normal_iterator<unsigned char*, std::vector<un=
signed char, std::allocator<unsigned char> > > >(__gnu_cxx::=
__normal_iterator<unsigned char*, std::vector<unsigned char, std::all=
ocator<unsigned char> > >, __gnu_cxx::__normal_iterator<unsi=
gned char*, std::vector<unsigned char, std::allocator<unsigned char&g=
t; > >)':<br>
>>>>>> Script.cpp:(.text._Z4HashIN9__gnu_cxx17__normal_it=
eratorIPhSt6vectorIhSaIhEEEEE7uint256T_S8_[uint256 Hash<__gnu_cxx::__nor=
mal_iterator<unsigned char*, std::vector<unsigned char, std::allocato=
r<unsigned char> > > >(__gnu_cxx::__normal_iterator<unsig=
ned char*, std::vector<unsigned char, std::allocator<unsigned char>=
; > >, __gnu_cxx::__normal_iterator<unsigned char*, std::vector<=
;unsigned char, std::allocator<unsigned char> > >)]+0x6d): unde=
fined reference to `SHA256'<br>
>>>>>> Script.cpp:(.text._Z4HashIN9__gnu_cxx17__normal_it=
eratorIPhSt6vectorIhSaIhEEEEE7uint256T_S8_[uint256 Hash<__gnu_cxx::__nor=
mal_iterator<unsigned char*, std::vector<unsigned char, std::allocato=
r<unsigned char> > > >(__gnu_cxx::__normal_iterator<unsig=
ned char*, std::vector<unsigned char, std::allocator<unsigned char>=
; > >, __gnu_cxx::__normal_iterator<unsigned char*, std::vector<=
;unsigned char, std::allocator<unsigned char> > >)]+0xb8): unde=
fined reference to `SHA256'<br>
>>>>>> collect2: ld returned 1 exit status<br>
>>>>>> make[2]: *** [bin/bitcoind] Error 1<br>
>>>>>> make[1]: *** [applications/bitcoind/CMakeFiles/app=
_bitcoind.dir/all] Error 2<br>
>>>>>> make: *** [all] Error 2<br>
>>>>>> -----<br>
>>>>>><br>
>>>>>> What can I do?!<br>
>>>>>><br>
>>>>>> Best,<br>
>>>>>> Thiago<br>
>>>>>><br>
>>>>>><br>
>>>>>> On 1 February 2012 12:18, Michael Gr=C3=B8nager &l=
t;<a href=3D"mailto:gronager@ceptacle.com" target=3D"_blank">gronager@cepta=
cle.com</a>> wrote:<br>
>>>>>> Dear Bitcoiners,<br>
>>>>>><br>
>>>>>> libcoin is now in a state ready for its first rele=
ase, which I would like to share with you!<br>
>>>>>><br>
>>>>>> =3D=3D=3D libcoin is a crypto currency library bas=
ed on the bitcoin/bitcoin "Satoshi" client. =3D=3D=3D<br>
>>>>>><br>
>>>>>> Copenhagen, Denmark - 1st February 2012 Ceptacle a=
nnounces the release of the first version of the crypto currency library &q=
uot;libcoin" based on the bitcoin/bitcoin "Satoshi" client.<=
br>
>>>>>><br>
>>>>>> libcoin also maintains a version of bitcoind that =
is a 100% compatible drop-in replacement of the bitcoin/bitcoind client: Yo=
u can use it on the same computer on the same files and you can call it wit=
h the same scripts. And you can easily extend it without touching the basic=
bitcoin source files.<br>
>>>>>><br>
>>>>>> The libcoin/bitcoind client downloads the entire b=
lock chain 3.5 times faster than the bitcoin/bitcoind client. This is less =
than 90 minutes on a modern laptop!<br>
>>>>>><br>
>>>>>> In libcoin, the Satoshi client code has been compl=
etely refactored, properly encapsulating classes, removing all globals, mov=
ing from threads and mutexes to a pure asynchronous approach. Functionaliti=
es have been divided into logical units and libraries, minimizing dependenc=
ies for e.g. thin clients.<br>
>>>>>><br>
>>>>>> libcoin is chain agnostic, all chain (bitcoin, tes=
tnet, namecoin, litecoin, ...) specific settings are maintained from a sing=
le class (Chain) and hence experiments with chain settings, mining, securit=
y and digital currencies for research and educational purposes are easily a=
ccessible. See the ponzicoin example for how you define your own chain.<br>
>>>>>><br>
>>>>>> The build system of libcoin is based on CMake and =
supports builds of static and dynamic libraries on Linux, Mac OS X, and Win=
dows.<br>
>>>>>><br>
>>>>>> The libcoin license is LGPL v. 3. This mean that y=
ou can use it in open source as well as in commercial projects, but improve=
ments should go back into the libcoin library.<br>
>>>>>><br>
>>>>>> =3D=3D=3D=3D=3D=3D<br>
>>>>>><br>
>>>>>> Read more on libcoin on: <a href=3D"http://github.=
com/ceptacle/libcoin/wiki" target=3D"_blank">http://github.com/ceptacle/lib=
coin/wiki</a><br>
>>>>>><br>
>>>>>> Join libcoin on twitter: <a href=3D"http://twitter=
.com/libcoin" target=3D"_blank">http://twitter.com/libcoin</a><br>
>>>>>><br>
>>>>>> Download "libcoin Satoshi release": <a h=
ref=3D"http://github.com/ceptacle/libcoin/zipball/v0.4.0.1" target=3D"_blan=
k">http://github.com/ceptacle/libcoin/zipball/v0.4.0.1</a><br>
>>>>>><br>
>>>>>> Best regards,<br>
>>>>>><br>
>>>>>> Michael Gronager, PhD<br>
>>>>>> Director, Ceptacle<br>
>>>>>> Jens Juels Gade 33<br>
>>>>>> 2100 Copenhagen E<br>
>>>>>> Mobile: <a href=3D"tel:%2B45%2031%2045%2014%2001" =
value=3D"+4531451401" target=3D"_blank">+45 31 45 14 01</a><br>
>>>>>> E-mail: <a href=3D"mailto:gronager@ceptacle.com" t=
arget=3D"_blank">gronager@ceptacle.com</a><br>
>>>>>> Web: <a href=3D"http://www.ceptacle.com/" target=
=3D"_blank">http://www.ceptacle.com/</a><br>
>>>>>><br>
>>>>>><br>
>>>>>> --------------------------------------------------=
----------------------------<br>
>>>>>> Keep Your Developer Skills Current with LearnDevNo=
w!<br>
>>>>>> The most comprehensive online learning library for=
Microsoft developers<br>
>>>>>> is just $99.99! Visual Studio, SharePoint, SQL - p=
lus HTML5, CSS3, MVC3,<br>
>>>>>> Metro Style Apps, more. Free future releases when =
you subscribe now!<br>
>>>>>> <a href=3D"http://p.sf.net/sfu/learndevnow-d2d" ta=
rget=3D"_blank">http://p.sf.net/sfu/learndevnow-d2d</a><br>
>>>>>> _______________________________________________<br=
>
>>>>>> Bitcoin-development mailing list<br>
>>>>>> <a href=3D"mailto:Bitcoin-development@lists.source=
forge.net" target=3D"_blank">Bitcoin-development@lists.sourceforge.net</a><=
br>
>>>>>> <a href=3D"https://lists.sourceforge.net/lists/lis=
tinfo/bitcoin-development" target=3D"_blank">https://lists.sourceforge.net/=
lists/listinfo/bitcoin-development</a><br>
>>>>>><br>
>>>>><br>
>>>>> Michael Gronager, PhD<br>
>>>>> Director, Ceptacle<br>
>>>>> Jens Juels Gade 33<br>
>>>>> 2100 Copenhagen E<br>
>>>>> Mobile: <a href=3D"tel:%2B45%2031%2045%2014%2001" valu=
e=3D"+4531451401" target=3D"_blank">+45 31 45 14 01</a><br>
>>>>> E-mail: <a href=3D"mailto:gronager@ceptacle.com" targe=
t=3D"_blank">gronager@ceptacle.com</a><br>
>>>>> Web: <a href=3D"http://www.ceptacle.com/" target=3D"_b=
lank">http://www.ceptacle.com/</a><br>
>>>>><br>
>>>>><br>
>>>>><br>
>>>><br>
>>>><br>
>>><br>
>>> Michael Gronager, PhD<br>
>>> Director, Ceptacle<br>
>>> Jens Juels Gade 33<br>
>>> 2100 Copenhagen E<br>
>>> Mobile: <a href=3D"tel:%2B45%2031%2045%2014%2001" value=3D"+45=
31451401" target=3D"_blank">+45 31 45 14 01</a><br>
>>> E-mail: <a href=3D"mailto:gronager@ceptacle.com" target=3D"_bl=
ank">gronager@ceptacle.com</a><br>
>>> Web: <a href=3D"http://www.ceptacle.com/" target=3D"_blank">ht=
tp://www.ceptacle.com/</a><br>
>>><br>
>>><br>
>><br>
>> Michael Gronager, PhD<br>
>> Director, Ceptacle<br>
>> Jens Juels Gade 33<br>
>> 2100 Copenhagen E<br>
>> Mobile: <a href=3D"tel:%2B45%2031%2045%2014%2001" value=3D"+453145=
1401" target=3D"_blank">+45 31 45 14 01</a><br>
>> E-mail: <a href=3D"mailto:gronager@ceptacle.com" target=3D"_blank"=
>gronager@ceptacle.com</a><br>
>> Web: <a href=3D"http://www.ceptacle.com/" target=3D"_blank">http:/=
/www.ceptacle.com/</a><br>
>><br>
>><br>
><br>
> Michael Gronager, PhD<br>
> Director, Ceptacle<br>
> Jens Juels Gade 33<br>
> 2100 Copenhagen E<br>
> Mobile: <a href=3D"tel:%2B45%2031%2045%2014%2001" value=3D"+4531451401=
" target=3D"_blank">+45 31 45 14 01</a><br>
> E-mail: <a href=3D"mailto:gronager@ceptacle.com" target=3D"_blank">gro=
nager@ceptacle.com</a><br>
> Web: <a href=3D"http://www.ceptacle.com/" target=3D"_blank">http://www=
.ceptacle.com/</a><br>
><br>
><br>
<br>
Michael Gronager, PhD<br>
Director, Ceptacle<br>
Jens Juels Gade 33<br>
2100 Copenhagen E<br>
Mobile: <a href=3D"tel:%2B45%2031%2045%2014%2001" value=3D"+4531451401" tar=
get=3D"_blank">+45 31 45 14 01</a><br>
E-mail: <a href=3D"mailto:gronager@ceptacle.com" target=3D"_blank">gronager=
@ceptacle.com</a><br>
Web: <a href=3D"http://www.ceptacle.com/" target=3D"_blank">http://www.cept=
acle.com/</a><br>
<br>
</div></div></blockquote></div><br></div>
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