Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1W3zLO-0001KZ-WC for bitcoin-development@lists.sourceforge.net; Fri, 17 Jan 2014 02:39:39 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.160.48 as permitted sender) client-ip=209.85.160.48; envelope-from=christophe.biocca@gmail.com; helo=mail-pb0-f48.google.com; Received: from mail-pb0-f48.google.com ([209.85.160.48]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1W3zLN-0000a8-Uh for bitcoin-development@lists.sourceforge.net; Fri, 17 Jan 2014 02:39:38 +0000 Received: by mail-pb0-f48.google.com with SMTP id rr13so3478405pbb.21 for ; Thu, 16 Jan 2014 18:39:32 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.66.231.6 with SMTP id tc6mr14142064pac.68.1389926372067; Thu, 16 Jan 2014 18:39:32 -0800 (PST) Received: by 10.68.146.72 with HTTP; Thu, 16 Jan 2014 18:39:31 -0800 (PST) In-Reply-To: References: Date: Thu, 16 Jan 2014 21:39:31 -0500 Message-ID: From: Christophe Biocca To: =?ISO-8859-1?Q?D=E2niel_Fraga?= Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -1.6 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (christophe.biocca[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1W3zLN-0000a8-Uh Cc: bitcoin-development@lists.sourceforge.net Subject: Re: [Bitcoin-development] Suggestion: allow receivers to pay optional fee for transactions without fees X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Jan 2014 02:39:39 -0000 To clarify, there are proposals to make miners recognize this situation and account for it, only eligius is running it at the moment IIRC: http://bitcoin.stackexchange.com/questions/8390/are-there-any-pools-or-larg= e-miners-running-child-pays-for-parent-patch Right now if you were to try it likely wouldn't result in inclusion. But this is on the radar, and I suspect it'll eventually get merged into mainline. On Thu, Jan 16, 2014 at 9:06 PM, D=E2niel Fraga wrote: > This is good news! Thank you very much Ben for the answer. > > On Thu, 16 Jan 2014 17:52:39 -0800 > Ben Davenport wrote: > >> You can create a transaction which spends the output to yourself, attach= ing >> a fee to that transaction. In order for miners to grab the transaction f= ee >> on that transaction, they would have to also mine the original transacti= on. >> Likely, you'd have to do this by hand, but software could be written to >> simplify doing it. No protocol changes needed. >> >> Ben >> >> >> On Thu, Jan 16, 2014 at 5:39 PM, D=E2niel Fraga wrot= e: >> >> > Someone sent me a very small donation (0.00121 BTC) without >> > paying fees. I don't know who sent it and I know this type of >> > transaction are usually rejected by miners. Take a look at it below: >> > >> > https://imageshack.com/i/ngv5g8j >> > >> > Even with the a low probability of confirmation, I >> > was hoping that after a few days it could be included in a block, but >> > Blockchain.info simply removed it (I know the sender sent from a >> > Blockchain.info wallet, because he added a note): >> > >> > >> > https://blockchain.info/pt/tx/3cde47ee3979a46b36bd61bdb0caf9c11dea58ac= 99f17fb17b95728766de70e0 >> > >> > As you can see now it shows as "Transaction not found". >> > >> > My suggestion is: it would be nice if the receiver could have = a >> > chance to pay the fee when the sender didn't pay any fee. For example, >> > I could pay a fee of 0.0001 BTC and receive 0.00121 BTC. In the end I'= d >> > have 0.00111 BTC. Better than nothing. >> > >> > Would it be technically possible to do that or it would be too >> > much trouble to change the protocol to allow the receiver to pay an >> > optional fee? >> > >> > Ps: I'm not a programmer, but if the receiver could >> > optionally "attach" some fee to the transaction, even if he/she didn't >> > sent the transaction, this could be solved. Bitcoin-qt could even warn >> > the receiver he received a transaction without fee and if he wants >> > faster confirmation he could pay a fee. >> > >> > Ps2: if this is a silly suggestion, just ignore it. I tried on >> > Bitcointalk, but nobody answered. >> > >> > -- >> > Linux 3.12.0: One Giant Leap for Frogkind >> > http://www.youtube.com/DanielFragaBR >> > http://mcxnow.com >> > Bitcoin: 12H6661yoLDUZaYPdah6urZS5WiXwTAUgL >> > >> > >> > >> > >> > ----------------------------------------------------------------------= -------- >> > CenturyLink Cloud: The Leader in Enterprise Cloud Services. >> > Learn Why More Businesses Are Choosing CenturyLink Cloud For >> > Critical Workloads, Development Environments & Everything In Between. >> > Get a Quote or Start a Free Trial Today. >> > >> > http://pubads.g.doubleclick.net/gampad/clk?id=3D119420431&iu=3D/4140/o= stg.clktrk >> > _______________________________________________ >> > Bitcoin-development mailing list >> > Bitcoin-development@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/bitcoin-development >> > >> > > > -- > Linux 3.12.0: One Giant Leap for Frogkind > http://www.youtube.com/DanielFragaBR > http://mcxnow.com > Bitcoin: 12H6661yoLDUZaYPdah6urZS5WiXwTAUgL > > > > -------------------------------------------------------------------------= ----- > CenturyLink Cloud: The Leader in Enterprise Cloud Services. > Learn Why More Businesses Are Choosing CenturyLink Cloud For > Critical Workloads, Development Environments & Everything In Between. > Get a Quote or Start a Free Trial Today. > http://pubads.g.doubleclick.net/gampad/clk?id=3D119420431&iu=3D/4140/ostg= .clktrk > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bitcoin-development