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bdk-sp

An experimental crate to research the implementation of silent payment tools in BDK.

Warning

Work in progress. Not recommended for use with bitcoin mainnet.

execution flow enabled by this crate

This is a second iteration of the work initiated in rust-bip352.

Tip

This is a continuation of the changes applied in bdk:feat/silent-payments-with-rust-silentpayments branch, isolated here for better discoverability. The example-crates/justfile has been refactored to work in isolation from the bdk repository.

The project started building on top of rust-silentpayments, but later extracted the needed parts from it and started evolving by its own.

The project follows BIP352 specification, refer to it to learn more about silentpayments. The only dependencies from the library are:

  • bitcoin
  • serde (optional)

Example

To get started see the encoding::SilentPaymentCode, receive::Scanner or send::XprivSilentPaymentSender structs depending on the silent payment side you want to focus on.

use bdk_sp::{
bitcoin::{ ... },
encoding::SilentPaymentCode,
receive::Scanner,
send::XprivSilentPaymentSender,};// As a RECEIVER// Create silent payment codeslet secp = Secp256k1::new();let sp_code = SilentPaymentCode{version:0,scan: scan_privkey.public_key(&secp),spend: spend_privkey.public_key(&secp),network:Network::Regtest,};// Get labeled silent payment codeslet label_to_tweak = <HashMap<_,_>>::new();let label = SilentPaymentCode::get_label(scan_sk, m);let labelled_sp_code = sp_code.add_label(label)?;let neg_spend_pk = sp_code.spend.negate(&secp);let label_pk = labelled_sp_code.spend.combine(&neg_spend_pk)?;
label_to_tweak.insert(label_pk,(label, m));// Scan for payments to silent payment codelet scanner = Scanner::new(scan_sk, sp_code.spend, label_to_tweak);let found_spouts = scanner.scan_tx(&tx,&[prevout])?;// As a SENDER// Parse silentpayment code stringslet silent_payment_code = SilentPaymentCode::try_from(sp_code.as_str())?;// Get silent payment code script pub keyslet sp_sender = XprivSilentPaymentSender::new(master_xpriv);letmut outputs_and_derivation_paths:Vec<(OutPoint,DerivationPath)> = { ...}letsp_script_pubkeys =
sp_sender.send_to(&outputs_and_derivation_paths,&[silent_payment_code])?;let txout = TxOut{value:10000,script_pubkey: sp_script_pubkeys
.first().expect("only provided one silent payment code").clone(),};

Contributing

Found a bug, have an issue or a feature request? Feel free to open an issue on GitHub. This library is open source licensed under MIT.

About

Experimental project to integrate silent payments in BDK

Resources

Readme
MIT license

Contributing

Contributing
Activity
Custom properties

Stars

24 stars

Watchers

5 watching

Forks

11 forks
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
bdk-sp
An experimental crate to research the implementation of silent payment tools in BDK.
Warning
Work in progress. Not recommended for use with bitcoin mainnet.
execution flow enabled by this crate
This is a second iteration of the work initiated in rust-bip352.
Tip
This is a continuation of the changes applied in
bdk:feat/silent-payments-with-rust-silentpayments branch, isolated here for
better discoverability.
The example-crates/justfile has been refactored to work in isolation from
the bdk repository.
The project started building on top of rust-silentpayments, but later
extracted the needed parts from it and started evolving by its own.
The project follows BIP352 specification, refer to it to learn more about
silentpayments.
The only dependencies from the library are:
  • bitcoin
  • serde (optional)
Example
To get started see the encoding::SilentPaymentCode, receive::Scanner or
send::XprivSilentPaymentSender structs depending on the silent payment side
you want to focus on.
use bdk_sp::{
bitcoin::{ ... },
encoding::SilentPaymentCode,
receive::Scanner,
send::XprivSilentPaymentSender,};// As a RECEIVER// Create silent payment codeslet secp = Secp256k1::new();let sp_code = SilentPaymentCode{version:0,scan: scan_privkey.public_key(&secp),spend: spend_privkey.public_key(&secp),network:Network::Regtest,};// Get labeled silent payment codeslet label_to_tweak = <HashMap<_,_>>::new();let label = SilentPaymentCode::get_label(scan_sk, m);let labelled_sp_code = sp_code.add_label(label)?;let neg_spend_pk = sp_code.spend.negate(&secp);let label_pk = labelled_sp_code.spend.combine(&neg_spend_pk)?;
label_to_tweak.insert(label_pk,(label, m));// Scan for payments to silent payment codelet scanner = Scanner::new(scan_sk, sp_code.spend, label_to_tweak);let found_spouts = scanner.scan_tx(&tx,&[prevout])?;// As a SENDER// Parse silentpayment code stringslet silent_payment_code = SilentPaymentCode::try_from(sp_code.as_str())?;// Get silent payment code script pub keyslet sp_sender = XprivSilentPaymentSender::new(master_xpriv);letmut outputs_and_derivation_paths:Vec<(OutPoint,DerivationPath)> = { ...}letsp_script_pubkeys =
sp_sender.send_to(&outputs_and_derivation_paths,&[silent_payment_code])?;let txout = TxOut{value:10000,script_pubkey: sp_script_pubkeys
.first().expect("only provided one silent payment code").clone(),};
Contributing
Found a bug, have an issue or a feature request? Feel free to open an issue on
GitHub. This library is open source licensed under MIT.
About
Experimental project to integrate silent payments in BDK
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
24 stars
Watchers
5 watching
Forks
11 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
bdk-sp
An experimental crate to research the implementation of silent payment tools in BDK.
Warning
Work in progress. Not recommended for use with bitcoin mainnet.
execution flow enabled by this crate
This is a second iteration of the work initiated in rust-bip352.
Tip
This is a continuation of the changes applied in
bdk:feat/silent-payments-with-rust-silentpayments branch, isolated here for
better discoverability.
The example-crates/justfile has been refactored to work in isolation from
the bdk repository.
The project started building on top of rust-silentpayments, but later
extracted the needed parts from it and started evolving by its own.
The project follows BIP352 specification, refer to it to learn more about
silentpayments.
The only dependencies from the library are:
  • bitcoin
  • serde (optional)
Example
To get started see the encoding::SilentPaymentCode, receive::Scanner or
send::XprivSilentPaymentSender structs depending on the silent payment side
you want to focus on.
use bdk_sp::{
bitcoin::{ ... },
encoding::SilentPaymentCode,
receive::Scanner,
send::XprivSilentPaymentSender,};// As a RECEIVER// Create silent payment codeslet secp = Secp256k1::new();let sp_code = SilentPaymentCode{version:0,scan: scan_privkey.public_key(&secp),spend: spend_privkey.public_key(&secp),network:Network::Regtest,};// Get labeled silent payment codeslet label_to_tweak = <HashMap<_,_>>::new();let label = SilentPaymentCode::get_label(scan_sk, m);let labelled_sp_code = sp_code.add_label(label)?;let neg_spend_pk = sp_code.spend.negate(&secp);let label_pk = labelled_sp_code.spend.combine(&neg_spend_pk)?;
label_to_tweak.insert(label_pk,(label, m));// Scan for payments to silent payment codelet scanner = Scanner::new(scan_sk, sp_code.spend, label_to_tweak);let found_spouts = scanner.scan_tx(&tx,&[prevout])?;// As a SENDER// Parse silentpayment code stringslet silent_payment_code = SilentPaymentCode::try_from(sp_code.as_str())?;// Get silent payment code script pub keyslet sp_sender = XprivSilentPaymentSender::new(master_xpriv);letmut outputs_and_derivation_paths:Vec<(OutPoint,DerivationPath)> = { ...}letsp_script_pubkeys =
sp_sender.send_to(&outputs_and_derivation_paths,&[silent_payment_code])?;let txout = TxOut{value:10000,script_pubkey: sp_script_pubkeys
.first().expect("only provided one silent payment code").clone(),};
Contributing
Found a bug, have an issue or a feature request? Feel free to open an issue on
GitHub. This library is open source licensed under MIT.
About
Experimental project to integrate silent payments in BDK
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
24 stars
Watchers
5 watching
Forks
11 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
bdk-sp
An experimental crate to research the implementation of silent payment tools in BDK.
Warning
Work in progress. Not recommended for use with bitcoin mainnet.
execution flow enabled by this crate
This is a second iteration of the work initiated in rust-bip352.
Tip
This is a continuation of the changes applied in
bdk:feat/silent-payments-with-rust-silentpayments branch, isolated here for
better discoverability.
The example-crates/justfile has been refactored to work in isolation from
the bdk repository.
The project started building on top of rust-silentpayments, but later
extracted the needed parts from it and started evolving by its own.
The project follows BIP352 specification, refer to it to learn more about
silentpayments.
The only dependencies from the library are:
  • bitcoin
  • serde (optional)
Example
To get started see the encoding::SilentPaymentCode, receive::Scanner or
send::XprivSilentPaymentSender structs depending on the silent payment side
you want to focus on.
use bdk_sp::{
bitcoin::{ ... },
encoding::SilentPaymentCode,
receive::Scanner,
send::XprivSilentPaymentSender,};// As a RECEIVER// Create silent payment codeslet secp = Secp256k1::new();let sp_code = SilentPaymentCode{version:0,scan: scan_privkey.public_key(&secp),spend: spend_privkey.public_key(&secp),network:Network::Regtest,};// Get labeled silent payment codeslet label_to_tweak = <HashMap<_,_>>::new();let label = SilentPaymentCode::get_label(scan_sk, m);let labelled_sp_code = sp_code.add_label(label)?;let neg_spend_pk = sp_code.spend.negate(&secp);let label_pk = labelled_sp_code.spend.combine(&neg_spend_pk)?;
label_to_tweak.insert(label_pk,(label, m));// Scan for payments to silent payment codelet scanner = Scanner::new(scan_sk, sp_code.spend, label_to_tweak);let found_spouts = scanner.scan_tx(&tx,&[prevout])?;// As a SENDER// Parse silentpayment code stringslet silent_payment_code = SilentPaymentCode::try_from(sp_code.as_str())?;// Get silent payment code script pub keyslet sp_sender = XprivSilentPaymentSender::new(master_xpriv);letmut outputs_and_derivation_paths:Vec<(OutPoint,DerivationPath)> = { ...}letsp_script_pubkeys =
sp_sender.send_to(&outputs_and_derivation_paths,&[silent_payment_code])?;let txout = TxOut{value:10000,script_pubkey: sp_script_pubkeys
.first().expect("only provided one silent payment code").clone(),};
Contributing
Found a bug, have an issue or a feature request? Feel free to open an issue on
GitHub. This library is open source licensed under MIT.
About
Experimental project to integrate silent payments in BDK
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
24 stars
Watchers
5 watching
Forks
11 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
bdk-sp
An experimental crate to research the implementation of silent payment tools in BDK.
Warning
Work in progress. Not recommended for use with bitcoin mainnet.
execution flow enabled by this crate
This is a second iteration of the work initiated in rust-bip352.
Tip
This is a continuation of the changes applied in
bdk:feat/silent-payments-with-rust-silentpayments branch, isolated here for
better discoverability.
The example-crates/justfile has been refactored to work in isolation from
the bdk repository.
The project started building on top of rust-silentpayments, but later
extracted the needed parts from it and started evolving by its own.
The project follows BIP352 specification, refer to it to learn more about
silentpayments.
The only dependencies from the library are:
  • bitcoin
  • serde (optional)
Example
To get started see the encoding::SilentPaymentCode, receive::Scanner or
send::XprivSilentPaymentSender structs depending on the silent payment side
you want to focus on.
use bdk_sp::{
bitcoin::{ ... },
encoding::SilentPaymentCode,
receive::Scanner,
send::XprivSilentPaymentSender,};// As a RECEIVER// Create silent payment codeslet secp = Secp256k1::new();let sp_code = SilentPaymentCode{version:0,scan: scan_privkey.public_key(&secp),spend: spend_privkey.public_key(&secp),network:Network::Regtest,};// Get labeled silent payment codeslet label_to_tweak = <HashMap<_,_>>::new();let label = SilentPaymentCode::get_label(scan_sk, m);let labelled_sp_code = sp_code.add_label(label)?;let neg_spend_pk = sp_code.spend.negate(&secp);let label_pk = labelled_sp_code.spend.combine(&neg_spend_pk)?;
label_to_tweak.insert(label_pk,(label, m));// Scan for payments to silent payment codelet scanner = Scanner::new(scan_sk, sp_code.spend, label_to_tweak);let found_spouts = scanner.scan_tx(&tx,&[prevout])?;// As a SENDER// Parse silentpayment code stringslet silent_payment_code = SilentPaymentCode::try_from(sp_code.as_str())?;// Get silent payment code script pub keyslet sp_sender = XprivSilentPaymentSender::new(master_xpriv);letmut outputs_and_derivation_paths:Vec<(OutPoint,DerivationPath)> = { ...}letsp_script_pubkeys =
sp_sender.send_to(&outputs_and_derivation_paths,&[silent_payment_code])?;let txout = TxOut{value:10000,script_pubkey: sp_script_pubkeys
.first().expect("only provided one silent payment code").clone(),};
Contributing
Found a bug, have an issue or a feature request? Feel free to open an issue on
GitHub. This library is open source licensed under MIT.
About
Experimental project to integrate silent payments in BDK
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
24 stars
Watchers
5 watching
Forks
11 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
bdk-sp
An experimental crate to research the implementation of silent payment tools in BDK.
Warning
Work in progress. Not recommended for use with bitcoin mainnet.
execution flow enabled by this crate
This is a second iteration of the work initiated in rust-bip352.
Tip
This is a continuation of the changes applied in
bdk:feat/silent-payments-with-rust-silentpayments branch, isolated here for
better discoverability.
The example-crates/justfile has been refactored to work in isolation from
the bdk repository.
The project started building on top of rust-silentpayments, but later
extracted the needed parts from it and started evolving by its own.
The project follows BIP352 specification, refer to it to learn more about
silentpayments.
The only dependencies from the library are:
  • bitcoin
  • serde (optional)
Example
To get started see the encoding::SilentPaymentCode, receive::Scanner or
send::XprivSilentPaymentSender structs depending on the silent payment side
you want to focus on.
use bdk_sp::{
bitcoin::{ ... },
encoding::SilentPaymentCode,
receive::Scanner,
send::XprivSilentPaymentSender,};// As a RECEIVER// Create silent payment codeslet secp = Secp256k1::new();let sp_code = SilentPaymentCode{version:0,scan: scan_privkey.public_key(&secp),spend: spend_privkey.public_key(&secp),network:Network::Regtest,};// Get labeled silent payment codeslet label_to_tweak = <HashMap<_,_>>::new();let label = SilentPaymentCode::get_label(scan_sk, m);let labelled_sp_code = sp_code.add_label(label)?;let neg_spend_pk = sp_code.spend.negate(&secp);let label_pk = labelled_sp_code.spend.combine(&neg_spend_pk)?;
label_to_tweak.insert(label_pk,(label, m));// Scan for payments to silent payment codelet scanner = Scanner::new(scan_sk, sp_code.spend, label_to_tweak);let found_spouts = scanner.scan_tx(&tx,&[prevout])?;// As a SENDER// Parse silentpayment code stringslet silent_payment_code = SilentPaymentCode::try_from(sp_code.as_str())?;// Get silent payment code script pub keyslet sp_sender = XprivSilentPaymentSender::new(master_xpriv);letmut outputs_and_derivation_paths:Vec<(OutPoint,DerivationPath)> = { ...}letsp_script_pubkeys =
sp_sender.send_to(&outputs_and_derivation_paths,&[silent_payment_code])?;let txout = TxOut{value:10000,script_pubkey: sp_script_pubkeys
.first().expect("only provided one silent payment code").clone(),};
Contributing
Found a bug, have an issue or a feature request? Feel free to open an issue on
GitHub. This library is open source licensed under MIT.
About
Experimental project to integrate silent payments in BDK
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
24 stars
Watchers
5 watching
Forks
11 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
bdk-sp
An experimental crate to research the implementation of silent payment tools in BDK.
Warning
Work in progress. Not recommended for use with bitcoin mainnet.
execution flow enabled by this crate
This is a second iteration of the work initiated in rust-bip352.
Tip
This is a continuation of the changes applied in
bdk:feat/silent-payments-with-rust-silentpayments branch, isolated here for
better discoverability.
The example-crates/justfile has been refactored to work in isolation from
the bdk repository.
The project started building on top of rust-silentpayments, but later
extracted the needed parts from it and started evolving by its own.
The project follows BIP352 specification, refer to it to learn more about
silentpayments.
The only dependencies from the library are:
  • bitcoin
  • serde (optional)
Example
To get started see the encoding::SilentPaymentCode, receive::Scanner or
send::XprivSilentPaymentSender structs depending on the silent payment side
you want to focus on.
use bdk_sp::{
bitcoin::{ ... },
encoding::SilentPaymentCode,
receive::Scanner,
send::XprivSilentPaymentSender,};// As a RECEIVER// Create silent payment codeslet secp = Secp256k1::new();let sp_code = SilentPaymentCode{version:0,scan: scan_privkey.public_key(&secp),spend: spend_privkey.public_key(&secp),network:Network::Regtest,};// Get labeled silent payment codeslet label_to_tweak = <HashMap<_,_>>::new();let label = SilentPaymentCode::get_label(scan_sk, m);let labelled_sp_code = sp_code.add_label(label)?;let neg_spend_pk = sp_code.spend.negate(&secp);let label_pk = labelled_sp_code.spend.combine(&neg_spend_pk)?;
label_to_tweak.insert(label_pk,(label, m));// Scan for payments to silent payment codelet scanner = Scanner::new(scan_sk, sp_code.spend, label_to_tweak);let found_spouts = scanner.scan_tx(&tx,&[prevout])?;// As a SENDER// Parse silentpayment code stringslet silent_payment_code = SilentPaymentCode::try_from(sp_code.as_str())?;// Get silent payment code script pub keyslet sp_sender = XprivSilentPaymentSender::new(master_xpriv);letmut outputs_and_derivation_paths:Vec<(OutPoint,DerivationPath)> = { ...}letsp_script_pubkeys =
sp_sender.send_to(&outputs_and_derivation_paths,&[silent_payment_code])?;let txout = TxOut{value:10000,script_pubkey: sp_script_pubkeys
.first().expect("only provided one silent payment code").clone(),};
Contributing
Found a bug, have an issue or a feature request? Feel free to open an issue on
GitHub. This library is open source licensed under MIT.
About
Experimental project to integrate silent payments in BDK
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
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24 stars
Watchers
5 watching
Forks
11 forks
Report repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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bdk-sp
An experimental crate to research the implementation of silent payment tools in BDK.
Warning
Work in progress. Not recommended for use with bitcoin mainnet.
execution flow enabled by this crate
This is a second iteration of the work initiated in rust-bip352.
Tip
This is a continuation of the changes applied in
bdk:feat/silent-payments-with-rust-silentpayments branch, isolated here for
better discoverability.
The example-crates/justfile has been refactored to work in isolation from
the bdk repository.
The project started building on top of rust-silentpayments, but later
extracted the needed parts from it and started evolving by its own.
The project follows BIP352 specification, refer to it to learn more about
silentpayments.
The only dependencies from the library are:
  • bitcoin
  • serde (optional)
Example
To get started see the encoding::SilentPaymentCode, receive::Scanner or
send::XprivSilentPaymentSender structs depending on the silent payment side
you want to focus on.
use bdk_sp::{
bitcoin::{ ... },
encoding::SilentPaymentCode,
receive::Scanner,
send::XprivSilentPaymentSender,};// As a RECEIVER// Create silent payment codeslet secp = Secp256k1::new();let sp_code = SilentPaymentCode{version:0,scan: scan_privkey.public_key(&secp),spend: spend_privkey.public_key(&secp),network:Network::Regtest,};// Get labeled silent payment codeslet label_to_tweak = <HashMap<_,_>>::new();let label = SilentPaymentCode::get_label(scan_sk, m);let labelled_sp_code = sp_code.add_label(label)?;let neg_spend_pk = sp_code.spend.negate(&secp);let label_pk = labelled_sp_code.spend.combine(&neg_spend_pk)?;
label_to_tweak.insert(label_pk,(label, m));// Scan for payments to silent payment codelet scanner = Scanner::new(scan_sk, sp_code.spend, label_to_tweak);let found_spouts = scanner.scan_tx(&tx,&[prevout])?;// As a SENDER// Parse silentpayment code stringslet silent_payment_code = SilentPaymentCode::try_from(sp_code.as_str())?;// Get silent payment code script pub keyslet sp_sender = XprivSilentPaymentSender::new(master_xpriv);letmut outputs_and_derivation_paths:Vec<(OutPoint,DerivationPath)> = { ...}letsp_script_pubkeys =
sp_sender.send_to(&outputs_and_derivation_paths,&[silent_payment_code])?;let txout = TxOut{value:10000,script_pubkey: sp_script_pubkeys
.first().expect("only provided one silent payment code").clone(),};
Contributing
Found a bug, have an issue or a feature request? Feel free to open an issue on
GitHub. This library is open source licensed under MIT.
About
Experimental project to integrate silent payments in BDK
Resources
Readme
MIT license
Contributing
Contributing
Activity
Custom properties
Stars
24 stars
Watchers
5 watching
Forks
11 forks
Report repository
Releases
Packages
Contributors
Languages