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| author | Andrew Toth <andrewstoth@gmail.com> | 2025-01-17 06:53:52 -0800 |
|---|---|---|
| committer | bitcoindev <bitcoindev@googlegroups.com> | 2025-01-17 07:17:58 -0800 |
| commit | b3d25a3c84a588b737f101e4357e1b66fa2f4e15 (patch) | |
| tree | 264696f126c15aafd1dab7e374097de3e7057f05 | |
| parent | 486a9b11fcc2554b3651f10a3ffb567da84721d9 (diff) | |
| download | pi-bitcoindev-b3d25a3c84a588b737f101e4357e1b66fa2f4e15.tar.gz pi-bitcoindev-b3d25a3c84a588b737f101e4357e1b66fa2f4e15.zip | |
[bitcoindev] Re: Who uses or wants to use PSBTv2 (BIP370)
| -rw-r--r-- | 0c/dcc39877adeec959abb34021cbddab917b1a84 | 228 |
1 files changed, 228 insertions, 0 deletions
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+ boundary="----=_Part_64122_633316306.1737125632863" +X-Original-Sender: andrewstoth@gmail.com +Precedence: list +Mailing-list: list bitcoindev@googlegroups.com; contact bitcoindev+owners@googlegroups.com +List-ID: <bitcoindev.googlegroups.com> +X-Google-Group-Id: 786775582512 +List-Post: <https://groups.google.com/group/bitcoindev/post>, <mailto:bitcoindev@googlegroups.com> +List-Help: <https://groups.google.com/support/>, <mailto:bitcoindev+help@googlegroups.com> +List-Archive: <https://groups.google.com/group/bitcoindev +List-Subscribe: <https://groups.google.com/group/bitcoindev/subscribe>, <mailto:bitcoindev+subscribe@googlegroups.com> +List-Unsubscribe: <mailto:googlegroups-manage+786775582512+unsubscribe@googlegroups.com>, + <https://groups.google.com/group/bitcoindev/subscribe> +X-Spam-Score: -0.5 (/) + +------=_Part_64122_633316306.1737125632863 +Content-Type: multipart/alternative; + boundary="----=_Part_64123_202989195.1737125632863" + +------=_Part_64123_202989195.1737125632863 +Content-Type: text/plain; charset="UTF-8" +Content-Transfer-Encoding: quoted-printable + +BIP375 Sending Silent Payments with PSBTs uses PSBTv2, specifically the PSB= +T_OUT_SCRIPT=20 +field. + +For silent payments, the output script is not known at the time of=20 +creation, so it's not possible to create an unsigned transaction with an=20 +output script as required in v0. + +On Friday, January 17, 2025 at 4:17:49=E2=80=AFAM UTC-5 Sjors Provoost wrot= +e: + +> Dear list, +> +> It's been a few years since BIP370 was proposed [0]. It's a backwards=20 +> compatible change to the PSBT standard defined by BIP174 [1]. Its main=20 +> benefit is the ability to add new inputs and outputs to a transaction. +> +> There's a Bitcoin Core pull request #21283 implements support [2], but ha= +s=20 +> seen very little review so far. Being able to test it against other=20 +> implementation would aid in review. +> +> So which projects are using PSBTv2 or would very much like to? +> +> So far I've learned that Core Lightning uses it. They convert it back to= +=20 +> v0 when interacting with Bitcoin Core, which they find suboptimal [3]. +> +> Feel free to answer here on Stack Exchange [4]. +> +> Kind regards, +> +> Sjors Provoost +> +> [0] https://github.com/bitcoin/bips/blob/master/bip-0370.mediawiki +> [1] https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki +> [2] https://github.com/bitcoin/bitcoin/pull/21283 +> [3] https://github.com/bitcoin/bitcoin/pull/21283#issuecomment-2597171643 +> [4]=20 +> https://bitcoin.stackexchange.com/questions/125384/who-uses-or-wants-to-u= +se-psbtv2-bip370 + +--=20 +You received this message because you are subscribed to the Google Groups "= +Bitcoin Development Mailing List" group. +To unsubscribe from this group and stop receiving emails from it, send an e= +mail to bitcoindev+unsubscribe@googlegroups.com. +To view this discussion visit https://groups.google.com/d/msgid/bitcoindev/= +30737859-573e-40ea-9619-1d18c2a6b0f4n%40googlegroups.com. + +------=_Part_64123_202989195.1737125632863 +Content-Type: text/html; charset="UTF-8" +Content-Transfer-Encoding: quoted-printable + +<div>BIP375=C2=A0<span>Sending Silent Payments with PSBTs</span> uses PSBTv= +2, specifically the <span>PSBT_OUT_SCRIPT field.</span></div><div><span><br= + /></span></div><div><span>For silent payments, the output script is not kn= +own at the time of creation, so it's not possible to create an unsigned tra= +nsaction with an output script as required in v0.<br /></span></div><br /><= +div class=3D"gmail_quote"><div dir=3D"auto" class=3D"gmail_attr">On Friday,= + January 17, 2025 at 4:17:49=E2=80=AFAM UTC-5 Sjors Provoost wrote:<br/></d= +iv><blockquote class=3D"gmail_quote" style=3D"margin: 0 0 0 0.8ex; border-l= +eft: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Dear list, +<br> +<br>It's been a few years since BIP370 was proposed [0]. It's a bac= +kwards compatible change to the PSBT standard defined by BIP174 [1]. Its ma= +in benefit is the ability to add new inputs and outputs to a transaction. +<br> +<br>There's a Bitcoin Core pull request #21283 implements support [2], = +but has seen very little review so far. Being able to test it against other= + implementation would aid in review. +<br> +<br>So which projects are using PSBTv2 or would very much like to? +<br> +<br>So far I've learned that Core Lightning uses it. They convert it ba= +ck to v0 when interacting with Bitcoin Core, which they find suboptimal [3]= +. +<br> +<br>Feel free to answer here on Stack Exchange [4]. +<br> +<br>Kind regards, +<br> +<br>Sjors Provoost +<br> +<br>[0] <a href=3D"https://github.com/bitcoin/bips/blob/master/bip-0370.med= +iawiki" target=3D"_blank" rel=3D"nofollow" data-saferedirecturl=3D"https://= +www.google.com/url?hl=3Den&q=3Dhttps://github.com/bitcoin/bips/blob/mas= +ter/bip-0370.mediawiki&source=3Dgmail&ust=3D1737211786688000&us= +g=3DAOvVaw3eDTC1kKwDpnzpLNl976u0">https://github.com/bitcoin/bips/blob/mast= +er/bip-0370.mediawiki</a> +<br>[1] <a href=3D"https://github.com/bitcoin/bips/blob/master/bip-0174.med= +iawiki" target=3D"_blank" rel=3D"nofollow" data-saferedirecturl=3D"https://= +www.google.com/url?hl=3Den&q=3Dhttps://github.com/bitcoin/bips/blob/mas= +ter/bip-0174.mediawiki&source=3Dgmail&ust=3D1737211786688000&us= +g=3DAOvVaw0RCoybCWL_KrK8BjQaYkoo">https://github.com/bitcoin/bips/blob/mast= +er/bip-0174.mediawiki</a> +<br>[2] <a href=3D"https://github.com/bitcoin/bitcoin/pull/21283" target=3D= +"_blank" rel=3D"nofollow" data-saferedirecturl=3D"https://www.google.com/ur= +l?hl=3Den&q=3Dhttps://github.com/bitcoin/bitcoin/pull/21283&source= +=3Dgmail&ust=3D1737211786688000&usg=3DAOvVaw16wQU-oToTB5RJHvHID6_s"= +>https://github.com/bitcoin/bitcoin/pull/21283</a> +<br>[3] <a href=3D"https://github.com/bitcoin/bitcoin/pull/21283#issuecomme= +nt-2597171643" target=3D"_blank" rel=3D"nofollow" data-saferedirecturl=3D"h= +ttps://www.google.com/url?hl=3Den&q=3Dhttps://github.com/bitcoin/bitcoi= +n/pull/21283%23issuecomment-2597171643&source=3Dgmail&ust=3D1737211= +786688000&usg=3DAOvVaw3ZGG8onrvjBxs2q1D0Qvw2">https://github.com/bitcoi= +n/bitcoin/pull/21283#issuecomment-2597171643</a> +<br>[4] <a href=3D"https://bitcoin.stackexchange.com/questions/125384/who-u= +ses-or-wants-to-use-psbtv2-bip370" target=3D"_blank" rel=3D"nofollow" data-= +saferedirecturl=3D"https://www.google.com/url?hl=3Den&q=3Dhttps://bitco= +in.stackexchange.com/questions/125384/who-uses-or-wants-to-use-psbtv2-bip37= +0&source=3Dgmail&ust=3D1737211786688000&usg=3DAOvVaw2T6cS0WNUtk= +zrvkMDLKmRh">https://bitcoin.stackexchange.com/questions/125384/who-uses-or= +-wants-to-use-psbtv2-bip370</a></blockquote></div> + +<p></p> + +-- <br /> +You received this message because you are subscribed to the Google Groups &= +quot;Bitcoin Development Mailing List" group.<br /> +To unsubscribe from this group and stop receiving emails from it, send an e= +mail to <a href=3D"mailto:bitcoindev+unsubscribe@googlegroups.com">bitcoind= +ev+unsubscribe@googlegroups.com</a>.<br /> +To view this discussion visit <a href=3D"https://groups.google.com/d/msgid/= +bitcoindev/30737859-573e-40ea-9619-1d18c2a6b0f4n%40googlegroups.com?utm_med= +ium=3Demail&utm_source=3Dfooter">https://groups.google.com/d/msgid/bitcoind= +ev/30737859-573e-40ea-9619-1d18c2a6b0f4n%40googlegroups.com</a>.<br /> + +------=_Part_64123_202989195.1737125632863-- + +------=_Part_64122_633316306.1737125632863-- + |