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From: Davidson Souza <davidson.lucas.souza@outlook.com>
To: Bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org>
Thread-Topic: Announcing Libforesta
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Subject: [bitcoin-dev] Announcing Libforesta
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--_000_IA1P223MB04501EFD534B3A53708740E1CA05AIA1P223MB0450NAMP_
Content-Type: text/plain; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable

Hi, list. My name is Davidson, and I=92m thrilled to share `libfloresta` wi=
th the Bitcoin devs mailing list!

This is a derivate of a project I=92ve been developing for a few months, ca=
lled `Floresta` (Portuguese for forest). An Utreexo powered, Fully-Validati=
ng Bitcoin Full node with integrated watch-only wallet and Electrum Server,=
 meant to be a compact, simple, and ready to use full node for end users.

After some feedbacks and thoughts, I=92ve decided to turn it into a series =
of reusable libs that can be used in other applications in a straightforwar=
d way. The main goal here is low-power devices, like SBC and smartphones, b=
ut can be used in any environment. To achieve that, I=92m writing the main =
logic in Rust and will generate bindings to the original code and compiling=
 to WASM, allowing it to run virtually anywhere.


The project is in an early stage, but I=92m using it on signet for a while =
now with no problems. Mainnet support is almost ready, but we need to solve=
 some performance issues with bridge nodes and set some up, so you can have=
 utreexo peers.


The project is available on [my GitHub](https://github.com/Davidson-Souza/F=
loresta) and I wrote an initial [blogpost](https://blog.dlsouza.lol/2023/07=
/07/libfloresta.html) explaining how to use it (in Rust). I=92ll write more=
 as the project matures, and I get it running on other platforms. Any feedb=
ack is welcome!


## Consensus


I know that alternative implementations is a spicy subject in Bitcoin land,=
 but this project **does not** reimplement the Bitcoin Consensus machine fr=
om scratch. I=92m using `libbitcoinconsenus` and plan to use the full `libb=
itcoinkernel` in the future. While this doesn=92t guarantee consistency, it=
 minimizes misimplementations leading to splits.


I=92m also making an extra effort into cross-test against Bitcoin Core to f=
ind any inconsistencies before it causes any trouble.


## Acknowledges


A special thanks to [Vinteum](https://vinteum.org/) for supporting my work =
with utreexo and Floresta.

Best regards,
Davidson Souza.

--_000_IA1P223MB04501EFD534B3A53708740E1CA05AIA1P223MB0450NAMP_
Content-Type: text/html; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1=
252">
<style type=3D"text/css" style=3D"display:none;"> P {margin-top:0;margin-bo=
ttom:0;} </style>
</head>
<body dir=3D"ltr">
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);">Hi, list. My name is Davidson, and I=92m =
thrilled to share `libfloresta` with the
 Bitcoin devs mailing list!</span></p>
<div><span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-d=
ecoration: none; color: rgb(0, 0, 0);"><br>
</span></div>
<div class=3D"elementToProof"><span style=3D"font-size: 11pt; font-family: =
Arial, sans-serif; text-decoration: none; color: rgb(0, 0, 0);">This is a d=
erivate of a project I=92ve been developing for a few months, called `Flore=
sta` (Portuguese for forest). An Utreexo
 powered, Fully-Validating Bitcoin Full node with integrated watch-only wal=
let and Electrum Server, meant to be a compact, simple, and ready to use fu=
ll node for end users.
<br>
</span></div>
<div class=3D"elementToProof"><span style=3D"font-size: 11pt; font-family: =
Arial, sans-serif; text-decoration: none; color: rgb(0, 0, 0);"><br>
</span></div>
<div class=3D"elementToProof"><span style=3D"font-size: 11pt; font-family: =
Arial, sans-serif; text-decoration: none; color: rgb(0, 0, 0);">After some =
feedbacks and thoughts, I=92ve decided to turn it into a series of reusable=
 libs that can be used in other applications
 in a straightforward way. The main goal here is low-power devices, like SB=
C and smartphones, but can be used in any environment. To achieve that, I=
=92m writing the main logic in Rust and will generate bindings to the origi=
nal code and compiling to WASM, allowing
 it to run virtually anywhere.</span></div>
<div class=3D"elementToProof"><span style=3D"font-size: 11pt; font-family: =
Arial, sans-serif; text-decoration: none; color: rgb(0, 0, 0);"><br>
</span></div>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt" =
class=3D"elementToProof">
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);"><span class=3D"Apple-tab-span"></span></s=
pan><span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-de=
coration: none; color: rgb(0, 0, 0);">The
 project is in an early stage, but I=92m using it on signet for a while now=
 with no problems. Mainnet support is almost ready, but we need to solve so=
me performance issues with bridge nodes and set some up, so you can have ut=
reexo peers.</span></p>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt" =
class=3D"elementToProof">
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);"><br>
</span></p>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);"><span class=3D"Apple-tab-span"></span></s=
pan><span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-de=
coration: none; color: rgb(0, 0, 0);">The
 project is available on [my GitHub](</span><a href=3D"https://github.com/D=
avidson-Souza/Floresta" style=3D"text-decoration:none"><span style=3D"font-=
size: 11pt; font-family: Arial, sans-serif; text-decoration: underline; tex=
t-decoration-skip-ink: none; color: rgb(17, 85, 204);">https://github.com/D=
avidson-Souza/Floresta</span></a><span style=3D"font-size: 11pt; font-famil=
y: Arial, sans-serif; text-decoration: none; color: rgb(0, 0, 0);">)
 and I wrote an initial [blogpost](https://blog.dlsouza.lol/2023/07/07/libf=
loresta.html) explaining how to use it (in Rust). I=92ll write more as the =
project matures, and I get it running on other platforms. Any feedback is w=
elcome!</span></p>
<br>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt" =
class=3D"elementToProof">
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);">## Consensus</span></p>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt" =
class=3D"elementToProof">
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);"><br>
</span></p>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt" =
class=3D"elementToProof">
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);"><span class=3D"Apple-tab-span"></span></s=
pan><span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-de=
coration: none; color: rgb(0, 0, 0);">I
 know that alternative implementations is a spicy subject in Bitcoin land, =
but this project **does not** reimplement the Bitcoin Consensus machine fro=
m scratch. I=92m using `libbitcoinconsenus` and plan to use the full `libbi=
tcoinkernel` in the future. While
 this doesn=92t guarantee consistency, it minimizes misimplementations lead=
ing to splits.</span></p>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt" =
class=3D"elementToProof">
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);"><br>
</span></p>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);"><span class=3D"Apple-tab-span"></span></s=
pan><span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-de=
coration: none; color: rgb(0, 0, 0);">I=92m
 also making an extra effort into cross-test against Bitcoin Core to find a=
ny inconsistencies before it causes any trouble.</span></p>
<br>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);">## Acknowledges</span></p>
<br>
<p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-size: 11pt; font-family: Arial, sans-serif; text-decora=
tion: none; color: rgb(0, 0, 0);">A special thanks to [Vinteum](https://vin=
teum.org/) for supporting my work with
 utreexo and Floresta.</span></p>
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: 12pt; color: rgb(0, 0, 0);">
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: 12pt; color: rgb(0, 0, 0);" class=3D"elementToProof">
Best regards,</div>
<div style=3D"font-family: Calibri, Arial, Helvetica, sans-serif; font-size=
: 12pt; color: rgb(0, 0, 0);" class=3D"elementToProof">
Davidson Souza.<br>
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