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| author | Tamas Blummer <tamas@bitsofproof.com> | 2014-04-10 08:04:28 +0200 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2014-04-10 06:04:24 +0000 |
| commit | c411a669557a97f2edbeb5b08ab58275ba015a86 (patch) | |
| tree | 6c9876ec99c1f521901f734a5ce0ef7029a21f1a | |
| parent | 6a015ee3ea9ea62f21a428969f2a2f92c43a62cf (diff) | |
| download | pi-bitcoindev-c411a669557a97f2edbeb5b08ab58275ba015a86.tar.gz pi-bitcoindev-c411a669557a97f2edbeb5b08ab58275ba015a86.zip | |
Re: [Bitcoin-development] Bitcoind-in-background mode for SPV wallets
| -rw-r--r-- | b4/e22c64a0802ed7dd365220f0aae07545501649 | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/b4/e22c64a0802ed7dd365220f0aae07545501649 b/b4/e22c64a0802ed7dd365220f0aae07545501649 new file mode 100644 index 000000000..c4f412c96 --- /dev/null +++ b/b4/e22c64a0802ed7dd365220f0aae07545501649 @@ -0,0 +1,187 @@ +Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] + helo=mx.sourceforge.net) + by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) + (envelope-from <tamas@bitsofproof.com>) id 1WY864-0008V8-51 + for bitcoin-development@lists.sourceforge.net; + Thu, 10 Apr 2014 06:04:24 +0000 +X-ACL-Warn: +Received: from wp059.webpack.hosteurope.de ([80.237.132.66]) + by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) + (Exim 4.76) id 1WY862-0003zu-7j + for bitcoin-development@lists.sourceforge.net; + Thu, 10 Apr 2014 06:04:24 +0000 +Received: from [37.143.74.116] (helo=[192.168.2.2]); authenticated + by wp059.webpack.hosteurope.de running ExIM with esmtpsa + (TLS1.0:RSA_AES_128_CBC_SHA1:16) + id 1WY85v-0002He-SL; Thu, 10 Apr 2014 08:04:15 +0200 +Content-Type: multipart/signed; + boundary="Apple-Mail=_02F48C3C-CDBF-4468-97B7-A12E47A46B2C"; + protocol="application/pgp-signature"; micalg=pgp-sha1 +Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\)) +From: Tamas Blummer <tamas@bitsofproof.com> +In-Reply-To: <CA+s+GJAXu3SEXFDDwi85dNFjO2rfPXJrg-aKHYwbogAHfu3vfQ@mail.gmail.com> +Date: Thu, 10 Apr 2014 08:04:28 +0200 +Message-Id: <0B038624-8861-438E-B7B1-566B4A8E126B@bitsofproof.com> +References: <CA+s+GJCn9U2kmyMH6w3o+m99NCfO0ws=SccvGBYJv07WVuF=eA@mail.gmail.com> + <CAAt2M18z_Qkqat1OETiXAz0QQey4+y5J6=pC7nkoJfyfrpj3=A@mail.gmail.com> + <CAAS2fgScWkentFy7Ak0bpYVLsOFL+xkwPm5QRu9ENeX9oCtPug@mail.gmail.com> + <534570A2.9090502@gmx.de> + <CA+s+GJAXu3SEXFDDwi85dNFjO2rfPXJrg-aKHYwbogAHfu3vfQ@mail.gmail.com> +To: Wladimir <laanwj@gmail.com> +X-Mailer: Apple Mail (2.1874) +X-bounce-key: webpack.hosteurope.de; tamas@bitsofproof.com; 1397109862; + 9ace44eb; +X-Spam-Score: 1.0 (+) +X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. + See http://spamassassin.org/tag/ for more details. + 1.0 HTML_MESSAGE BODY: HTML included in message +X-Headers-End: 1WY862-0003zu-7j +Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net> +Subject: Re: [Bitcoin-development] Bitcoind-in-background mode for SPV + wallets +X-BeenThere: bitcoin-development@lists.sourceforge.net +X-Mailman-Version: 2.1.9 +Precedence: list +List-Id: <bitcoin-development.lists.sourceforge.net> +List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe> +List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development> +List-Post: <mailto:bitcoin-development@lists.sourceforge.net> +List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help> +List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=subscribe> +X-List-Received-Date: Thu, 10 Apr 2014 06:04:24 -0000 + + +--Apple-Mail=_02F48C3C-CDBF-4468-97B7-A12E47A46B2C +Content-Type: multipart/alternative; + boundary="Apple-Mail=_70F2039E-A332-409C-88EC-E601F065003B" + + +--Apple-Mail=_70F2039E-A332-409C-88EC-E601F065003B +Content-Transfer-Encoding: quoted-printable +Content-Type: text/plain; + charset=windows-1252 + +Hi Wladimir, + +If the motivation of the SPV wallet is to radically extend = +functionality, as in my case, then the index is specific to the added = +features and the subset of the blockchain that is of interest for the = +wallet. +As you also point out, adding huge generic purpose indices to core would = +rather discourage people using full nodes due to excess requirements.=20 + +I believe nothing would add more to the core=92s popularity as a trusted = +background node to SPV than full validation at lowest possible memory, = +disk and CPU footprint. +Serving headers should be default but storing and serving full blocks = +configurable to ranges, so people can tailor to their bandwith and space = +available. + +Tamas Blummer +Bits of Proof + +On 09.04.2014, at 21:25, Wladimir <laanwj@gmail.com> wrote: +>=20 +>=20 +> Adding a RPC call for a "address -> utxo" query wouldn't be a big = +deal. It has been requested before for other purposes as well, all the = +better if it helps for interaction with Electrum. +>=20 +> Spent history would be involve a much larger index, and it's not = +likely that will end up in bitcoin +>=20 +> Wladimir +>=20 + + +--Apple-Mail=_70F2039E-A332-409C-88EC-E601F065003B +Content-Transfer-Encoding: quoted-printable +Content-Type: text/html; + charset=windows-1252 + +<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html = +charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; = +-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi = +Wladimir,<br><div apple-content-edited=3D"true"><br></div><div = +apple-content-edited=3D"true">If the motivation of the SPV wallet is to = +radically extend functionality, as in my case, then the index is = +specific to the added features and the subset of the blockchain that is = +of interest for the wallet.</div><div apple-content-edited=3D"true">As = +you also point out, adding huge generic purpose indices to core would = +rather discourage people using full nodes due to excess = +requirements. </div><div apple-content-edited=3D"true"><br></div><div= + apple-content-edited=3D"true">I believe nothing would add more to the = +core=92s popularity as a trusted background node to SPV than full = +validation at lowest possible memory, disk and CPU footprint.</div><div = +apple-content-edited=3D"true">Serving headers should be default but = +storing and serving full blocks configurable to ranges, so people can = +tailor to their bandwith and space available.</div><div = +apple-content-edited=3D"true"><br style=3D"color: rgb(0, 0, 0); = +font-family: Helvetica; font-size: 12px; font-style: normal; = +font-variant: normal; font-weight: normal; letter-spacing: normal; = +line-height: normal; text-align: -webkit-auto; text-indent: 0px; = +text-transform: none; white-space: normal; word-spacing: 0px; = +-webkit-text-stroke-width: 0px; orphans: 2; widows: 2;"><span = +style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; = +font-style: normal; font-variant: normal; font-weight: normal; = +letter-spacing: normal; line-height: normal; text-align: -webkit-auto; = +text-indent: 0px; text-transform: none; white-space: normal; = +word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: = +2; float: none; display: inline !important;">Tamas Blummer</span><span = +style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; = +font-style: normal; font-variant: normal; font-weight: normal; = +letter-spacing: normal; line-height: normal; orphans: auto; text-align: = +start; text-indent: 0px; text-transform: none; white-space: normal; = +widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br = +style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; = +font-style: normal; font-variant: normal; font-weight: normal; = +letter-spacing: normal; line-height: normal; text-align: -webkit-auto; = +text-indent: 0px; text-transform: none; white-space: normal; = +word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: = +2;"><span style=3D"color: rgb(0, 0, 0); font-family: Helvetica; = +font-size: 12px; font-style: normal; font-variant: normal; font-weight: = +normal; letter-spacing: normal; line-height: normal; text-align: = +-webkit-auto; text-indent: 0px; text-transform: none; white-space: = +normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; = +widows: 2; float: none; display: inline !important;">Bits of = +Proof</span></span></div> +<br><div><div>On 09.04.2014, at 21:25, Wladimir <<a = +href=3D"mailto:laanwj@gmail.com">laanwj@gmail.com</a>> = +wrote:</div><blockquote type=3D"cite"><div dir=3D"ltr"><div = +class=3D"gmail_extra"><div class=3D"gmail_quote"><div = +class=3D"h5"><br><br>Adding a RPC call for a "address -> utxo" query = +wouldn't be a big deal. It has been requested before for other purposes = +as well, all the better if it helps for interaction with Electrum.<br> +</div><div class=3D"h5"><br></div><div class=3D"h5">Spent history would = +be involve a much larger index, and it's not likely that will end up in = +bitcoin<br></div><div = +class=3D"h5"><br>Wladimir<br><br></div></div></div></div></blockquote></di= +v><br></body></html>= + +--Apple-Mail=_70F2039E-A332-409C-88EC-E601F065003B-- + +--Apple-Mail=_02F48C3C-CDBF-4468-97B7-A12E47A46B2C +Content-Transfer-Encoding: 7bit +Content-Disposition: attachment; + filename=signature.asc +Content-Type: application/pgp-signature; + name=signature.asc +Content-Description: Message signed with OpenPGP using GPGMail + +-----BEGIN PGP SIGNATURE----- +Comment: GPGTools - http://gpgtools.org + +iQEcBAEBAgAGBQJTRjRsAAoJEPZykcUXcTkcpZsH/3rpCRtTrLyu7eRz54d0IeeE +UdX834QVgR6N00we/WnS3hHQA1EQ/GMlPfsp4pgAwMK/oTMMN8NYsyGLIul1Iw/Q +VL3SB1nCym4/LSIi+NFTfxZs64VO8D8J58WBQOMLpwefe4RXfB5JKtO6ZoE6zPnP +kGL02U2HazbLbBzw7JTE2jCT0R7uhpH8eovo7oJpFF9dBiO95vg7SgmG3vSbfWYf +h83h9QhTCwBwd+NISaEAFw/Oeziyr053PdmBjIbMHHy5QCE6sRlc0U5O/GPIJFCl +AdXZZS7UrPykAaxZdY56M2ueZ9YjzVm6tgRzUGjzz49aZpoRXWYfTqiJv7aqB1Y= +=swE2 +-----END PGP SIGNATURE----- + +--Apple-Mail=_02F48C3C-CDBF-4468-97B7-A12E47A46B2C-- + + |