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api/index.js
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docs/next/core/addresses.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02d69f4b6afd217da580be1c7af7404e5066f95090cbe3338ebcfc638e1b9acc22)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02b9ff04fa3c88b2db3367f639364a394c2b3156efef5a4a6ce354f11cad2281a8)</span>
<span class="hljs-keyword">val</span> segwitAddress = {
<span class="hljs-comment">// see https://bitcoin.org/en/glossary/pubkey-script</span>
@ -89,10 +89,10 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> scriptPubKey = <span class="hljs-type">P2WPKHWitnessSPKV0</span>(pubkey)
<span class="hljs-type">Bech32Address</span>(scriptPubKey, <span class="hljs-type">TestNet3</span>)
}
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q04j56lgkdnu50cun4u3fwq40cjsqmc7sq8f9dy</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qll2wfe34hpzt35meu628xmgtkyaf0ngzewfmf9</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q04j56lgkdnu50cun4u3fwq40cjsqmc7sq8f9dy</span>
<span class="hljs-comment">// tb1qll2wfe34hpzt35meu628xmgtkyaf0ngzewfmf9</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="generating-legacy-base58-addresses"></a><a href="#generating-legacy-base58-addresses" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Generating legacy (base58) addresses</h2>
<p>If you need to generate legacy addresses for backwards
@ -101,10 +101,10 @@ Take a look:</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">// we're reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don't do this in an actual application!</span>
<span class="hljs-keyword">val</span> legacyAddress = <span class="hljs-type">P2PKHAddress</span>(pubkey, <span class="hljs-type">TestNet3</span>)
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mrwz7feRwqGsHTmRTj6wDbw5WGSdwZHiqN</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n4qfe7cQiVh8UbdRuGsuhsyhLZZCMUJMwm</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mrwz7feRwqGsHTmRTj6wDbw5WGSdwZHiqN</span>
<span class="hljs-comment">// n4qfe7cQiVh8UbdRuGsuhsyhLZZCMUJMwm</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2022 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

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docs/next/core/addresses/index.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02d69f4b6afd217da580be1c7af7404e5066f95090cbe3338ebcfc638e1b9acc22)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02b9ff04fa3c88b2db3367f639364a394c2b3156efef5a4a6ce354f11cad2281a8)</span>
<span class="hljs-keyword">val</span> segwitAddress = {
<span class="hljs-comment">// see https://bitcoin.org/en/glossary/pubkey-script</span>
@ -89,10 +89,10 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> scriptPubKey = <span class="hljs-type">P2WPKHWitnessSPKV0</span>(pubkey)
<span class="hljs-type">Bech32Address</span>(scriptPubKey, <span class="hljs-type">TestNet3</span>)
}
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q04j56lgkdnu50cun4u3fwq40cjsqmc7sq8f9dy</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qll2wfe34hpzt35meu628xmgtkyaf0ngzewfmf9</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q04j56lgkdnu50cun4u3fwq40cjsqmc7sq8f9dy</span>
<span class="hljs-comment">// tb1qll2wfe34hpzt35meu628xmgtkyaf0ngzewfmf9</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="generating-legacy-base58-addresses"></a><a href="#generating-legacy-base58-addresses" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Generating legacy (base58) addresses</h2>
<p>If you need to generate legacy addresses for backwards
@ -101,10 +101,10 @@ Take a look:</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">// we're reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don't do this in an actual application!</span>
<span class="hljs-keyword">val</span> legacyAddress = <span class="hljs-type">P2PKHAddress</span>(pubkey, <span class="hljs-type">TestNet3</span>)
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mrwz7feRwqGsHTmRTj6wDbw5WGSdwZHiqN</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n4qfe7cQiVh8UbdRuGsuhsyhLZZCMUJMwm</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mrwz7feRwqGsHTmRTj6wDbw5WGSdwZHiqN</span>
<span class="hljs-comment">// n4qfe7cQiVh8UbdRuGsuhsyhLZZCMUJMwm</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2022 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
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@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x26e9fd504553c248aade6043d417e928b834741c8981d632f0594d89190ac1a3)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x067e7d60796e8cbc51f6c6a44e751b2084dda766ee3bb2b40768421c7c248098)</span>
<span class="hljs-keyword">val</span> mnemonicCode = <span class="hljs-type">MnemonicCode</span>.fromEntropy(entropy)
<span class="hljs-comment">// mnemonicCode: MnemonicCode = Masked(MnemonicCodeImpl)</span>
mnemonicCode.words <span class="hljs-comment">// the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(cheap, exit, favorite, melt, destroy, cattle, problem, slot, duck, pass, where, fabric, local, deliver, impulse, coral, stomach, nurse, bind, only, muscle, lyrics, alley, judge) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(all, view, fix, version, trip, funny, elephant, sugar, picture, inhale, egg, donate, evidence, squirrel, option, shuffle, razor, parent, sure, loud, sick, banner, act, appear) // the phrase the user should write down</span>
<span class="hljs-comment">// the password argument is an optional, extra security</span>
<span class="hljs-comment">// measure. all MnemonicCode instances will give you a</span>
@ -108,7 +108,7 @@ mnemonicCode.words <span class="hljs-comment">// the phrase the user should writ
bip39Seed)
<span class="hljs-comment">// xpriv: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> xpub = xpriv.extPublicKey
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZycebqjqHypXN3PW77cWy7KMYWmEVCoz2NTJ6GBs2mF1aPrfHjPEHrPnxPoDGNR6CbpajZ3zZ1dS9U1tpzXyxmtAVBgyXcCp</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwj5o1CpQFxpSsuUahVdNouNB9rH5KSoAeMUsB12okWHVMq95kvorFDckJqUzZmR4ch9rt5SyZKdAfXu1dVqD1X4bHQVdJff</span>
<span class="hljs-comment">// you can now use the generated xpriv to derive further</span>
<span class="hljs-comment">// private or public keys</span>
@ -154,7 +154,7 @@ spend or steal any of your money.</p>
<span class="hljs-comment">// can generate addresses with it!</span>
accountXpriv.extPublicKey
}
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qnDUrXWh4UPYEPnf7pid53svb1iQRNuDAk21GA4fcLTov6YAuszTi33JkNu4QMxWtrgZSZx2KACJkxAW1hnGP2vSHBA9t5REYwo4xPiwb8</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qVdBf6Dw89ZS7uThFb32L2TXetgHLmtpmpVnCoA3p5NsNNApSpMXc8zUQdHsSbtf5hobG7YwJzSD7hEfS4ApPgeW6mt14kuqvb6uvZ8r2W</span>
<span class="hljs-comment">// address no. 0 ---------------┐</span>
<span class="hljs-comment">// external address ----------┐ |</span>
@ -177,12 +177,12 @@ spend or steal any of your money.</p>
<span class="hljs-keyword">val</span> scriptPubKey = <span class="hljs-type">P2WPKHWitnessSPKV0</span>(pubkey)
<span class="hljs-type">Bech32Address</span>(scriptPubKey, <span class="hljs-type">TestNet3</span>)
}
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q72fqy9ph2f95pw7ut0s0r9faj2hsca0khqzs62</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qpapjem7g7ehqxj0dwgpplgqvtpy488xlvpzf22</span>
<span class="hljs-comment">// tada! We just generated an address you can send money to,</span>
<span class="hljs-comment">// without having access to the private key!</span>
firstAccountAddress.value
<span class="hljs-comment">// res2: String = tb1q72fqy9ph2f95pw7ut0s0r9faj2hsca0khqzs62</span>
<span class="hljs-comment">// res2: String = tb1qpapjem7g7ehqxj0dwgpplgqvtpy488xlvpzf22</span>
<span class="hljs-comment">// you can now continue deriving addresses from the same public</span>
<span class="hljs-comment">// key, by imitating what we did above. To get the next</span>

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@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x26e9fd504553c248aade6043d417e928b834741c8981d632f0594d89190ac1a3)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x067e7d60796e8cbc51f6c6a44e751b2084dda766ee3bb2b40768421c7c248098)</span>
<span class="hljs-keyword">val</span> mnemonicCode = <span class="hljs-type">MnemonicCode</span>.fromEntropy(entropy)
<span class="hljs-comment">// mnemonicCode: MnemonicCode = Masked(MnemonicCodeImpl)</span>
mnemonicCode.words <span class="hljs-comment">// the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(cheap, exit, favorite, melt, destroy, cattle, problem, slot, duck, pass, where, fabric, local, deliver, impulse, coral, stomach, nurse, bind, only, muscle, lyrics, alley, judge) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(all, view, fix, version, trip, funny, elephant, sugar, picture, inhale, egg, donate, evidence, squirrel, option, shuffle, razor, parent, sure, loud, sick, banner, act, appear) // the phrase the user should write down</span>
<span class="hljs-comment">// the password argument is an optional, extra security</span>
<span class="hljs-comment">// measure. all MnemonicCode instances will give you a</span>
@ -108,7 +108,7 @@ mnemonicCode.words <span class="hljs-comment">// the phrase the user should writ
bip39Seed)
<span class="hljs-comment">// xpriv: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> xpub = xpriv.extPublicKey
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZycebqjqHypXN3PW77cWy7KMYWmEVCoz2NTJ6GBs2mF1aPrfHjPEHrPnxPoDGNR6CbpajZ3zZ1dS9U1tpzXyxmtAVBgyXcCp</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwj5o1CpQFxpSsuUahVdNouNB9rH5KSoAeMUsB12okWHVMq95kvorFDckJqUzZmR4ch9rt5SyZKdAfXu1dVqD1X4bHQVdJff</span>
<span class="hljs-comment">// you can now use the generated xpriv to derive further</span>
<span class="hljs-comment">// private or public keys</span>
@ -154,7 +154,7 @@ spend or steal any of your money.</p>
<span class="hljs-comment">// can generate addresses with it!</span>
accountXpriv.extPublicKey
}
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qnDUrXWh4UPYEPnf7pid53svb1iQRNuDAk21GA4fcLTov6YAuszTi33JkNu4QMxWtrgZSZx2KACJkxAW1hnGP2vSHBA9t5REYwo4xPiwb8</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qVdBf6Dw89ZS7uThFb32L2TXetgHLmtpmpVnCoA3p5NsNNApSpMXc8zUQdHsSbtf5hobG7YwJzSD7hEfS4ApPgeW6mt14kuqvb6uvZ8r2W</span>
<span class="hljs-comment">// address no. 0 ---------------┐</span>
<span class="hljs-comment">// external address ----------┐ |</span>
@ -177,12 +177,12 @@ spend or steal any of your money.</p>
<span class="hljs-keyword">val</span> scriptPubKey = <span class="hljs-type">P2WPKHWitnessSPKV0</span>(pubkey)
<span class="hljs-type">Bech32Address</span>(scriptPubKey, <span class="hljs-type">TestNet3</span>)
}
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q72fqy9ph2f95pw7ut0s0r9faj2hsca0khqzs62</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qpapjem7g7ehqxj0dwgpplgqvtpy488xlvpzf22</span>
<span class="hljs-comment">// tada! We just generated an address you can send money to,</span>
<span class="hljs-comment">// without having access to the private key!</span>
firstAccountAddress.value
<span class="hljs-comment">// res2: String = tb1q72fqy9ph2f95pw7ut0s0r9faj2hsca0khqzs62</span>
<span class="hljs-comment">// res2: String = tb1qpapjem7g7ehqxj0dwgpplgqvtpy488xlvpzf22</span>
<span class="hljs-comment">// you can now continue deriving addresses from the same public</span>
<span class="hljs-comment">// key, by imitating what we did above. To get the next</span>

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@ -64,7 +64,7 @@
});
</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/bitcoin-s/bitcoin-s/blob/master/docs/core/txbuilder.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">TxBuilder Example</h1></header><article><div><span><p>Bitcoin-S features a transaction building API that allows you to construct and sign Bitcoin transactions. Here's an example of how to use it</p>
<pre><code class="hljs css language-scala"><span class="hljs-keyword">implicit</span> <span class="hljs-keyword">val</span> ec: <span class="hljs-type">ExecutionContext</span> = <span class="hljs-type">ExecutionContext</span>.<span class="hljs-type">Implicits</span>.global
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@75c5f756[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@148ec758[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd)</span>
<span class="hljs-comment">// this is the script that the TxBuilder is going to create a</span>
<span class="hljs-comment">// script signature that validly spends this scriptPubKey</span>
<span class="hljs-keyword">val</span> creditingSpk = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = privKey.publicKey)
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e)</span>
<span class="hljs-keyword">val</span> amount = <span class="hljs-number">10000.</span>satoshis
<span class="hljs-comment">// amount: Satoshis = 10000 sats</span>
<span class="hljs-comment">// this is the UTXO we are going to be spending</span>
<span class="hljs-keyword">val</span> utxo =
<span class="hljs-type">TransactionOutput</span>(value = amount, scriptPubKey = creditingSpk)
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e))</span>
<span class="hljs-comment">// the private key that locks the funds for the script we are spending too</span>
<span class="hljs-keyword">val</span> destinationPrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
@ -99,7 +99,7 @@
<span class="hljs-comment">// the script that corresponds to destination private key, this is what is receiving the money</span>
<span class="hljs-keyword">val</span> destinationSPK =
<span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = destinationPrivKey.publicKey)
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(79059f9d20deb60f8bd4ce125b89b325bd958911)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(4e790f1937f5130f5f4c32db49d8ab400d394836)</span>
<span class="hljs-comment">// this is where we are sending money too</span>
<span class="hljs-comment">// we could add more destinations here if we</span>
@ -110,7 +110,7 @@
<span class="hljs-type">Vector</span>(destination0)
}
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(79059f9d20deb60f8bd4ce125b89b325bd958911)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(4e790f1937f5130f5f4c32db49d8ab400d394836)))</span>
<span class="hljs-comment">// Add the destinations to the tx builder</span>
builder ++= destinations
@ -123,17 +123,17 @@ builder ++= destinations
inputs = <span class="hljs-type">Vector</span>.empty,
outputs = <span class="hljs-type">Vector</span>(utxo),
lockTime = <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly "link" it in the transaction we are creating</span>
<span class="hljs-keyword">val</span> outPoint = <span class="hljs-type">TransactionOutPoint</span>(creditingTx.txId, <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0)</span>
<span class="hljs-keyword">val</span> input = <span class="hljs-type">TransactionInput</span>(
outPoint,
<span class="hljs-type">EmptyScriptSignature</span>,
sequenceNumber = <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// Add a new input to our builder</span>
builder += input
@ -141,11 +141,11 @@ builder += input
<span class="hljs-comment">// We can now generate a RawTxBuilderResult ready to be finalized</span>
<span class="hljs-keyword">val</span> builderResult = builder.result()
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(79059f9d20deb60f8bd4ce125b89b325bd958911))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4e790f1937f5130f5f4c32db49d8ab400d394836))),UInt32Impl(0))</span>
<span class="hljs-comment">// this contains the information needed to analyze our input during finalization</span>
<span class="hljs-keyword">val</span> inputInfo = <span class="hljs-type">P2PKHInputInfo</span>(outPoint, amount, privKey.publicKey)
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),10000 sats,ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),10000 sats,ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(d03c5ac75445281938d0c129b6da07946771d982)</span>
<span class="hljs-comment">// We chose a finalizer that adds a change output to our tx based on a fee rate</span>
<span class="hljs-keyword">val</span> finalizer = <span class="hljs-type">StandardNonInteractiveFinalizer</span>(
<span class="hljs-type">Vector</span>(inputInfo),
feeRate,
changeSPK)
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),10000 sats,ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644))),1 sats/byte,pkh(d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),10000 sats,ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd))),1 sats/byte,pkh(d03c5ac75445281938d0c129b6da07946771d982))</span>
<span class="hljs-comment">// We can now finalize the tx builder result from earlier with this finalizer</span>
<span class="hljs-keyword">val</span> unsignedTx: <span class="hljs-type">Transaction</span> = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(79059f9d20deb60f8bd4ce125b89b325bd958911)), TransactionOutput(4775 sats,pkh(d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4e790f1937f5130f5f4c32db49d8ab400d394836)), TransactionOutput(4775 sats,pkh(d03c5ac75445281938d0c129b6da07946771d982))),UInt32Impl(0))</span>
<span class="hljs-comment">// We now turn to signing the unsigned transaction</span>
<span class="hljs-comment">// this contains all the information we need to</span>
@ -176,12 +176,12 @@ builder += input
signers = <span class="hljs-type">Vector</span>(privKey),
hashType =
<span class="hljs-type">HashType</span>.sigHashAll)
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),10000 sats,ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),10000 sats,ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),10000 sats,ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),10000 sats,ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644)), ECDigitalSignature(304402204096fece099b64631d5558e44f3082e8c58f935e484fb822965b0d720019b3b90220661153898975e2e9fddd6db909325058274577c56d0707ede8ff533173c1124701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(79059f9d20deb60f8bd4ce125b89b325bd958911)), TransactionOutput(4775 sats,pkh(d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd)), ECDigitalSignature(3044022027dc111b1223382c1cddcb4a2c1b2c92bcea1866e0c42b95208b018a92bd16e102202d1c51f4f74290699dc661f92dfb5d24083abbfc407c6ba0b2d8c75b1b9f307501)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4e790f1937f5130f5f4c32db49d8ab400d394836)), TransactionOutput(4775 sats,pkh(d03c5ac75445281938d0c129b6da07946771d982))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -207,7 +207,7 @@ signedTx.outputs.length
<span class="hljs-comment">//remember, you can call .hex on any bitcoin-s data structure to get the hex representation!</span>
signedTx.hex
<span class="hljs-comment">// res4: String = 0200000001fc8eea859de260c878596e3ec449c668d141c47b964abdd666d704830be553cd000000006a47304402204096fece099b64631d5558e44f3082e8c58f935e484fb822965b0d720019b3b90220661153898975e2e9fddd6db909325058274577c56d0707ede8ff533173c11247012103f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644000000000288130000000000001976a91479059f9d20deb60f8bd4ce125b89b325bd95891188aca7120000000000001976a914d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001560524e6fcdd9cf44a3820d70b745da92b00093011c31710bf8c13a798c80206000000006a473044022027dc111b1223382c1cddcb4a2c1b2c92bcea1866e0c42b95208b018a92bd16e102202d1c51f4f74290699dc661f92dfb5d24083abbfc407c6ba0b2d8c75b1b9f3075012102c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd000000000288130000000000001976a9144e790f1937f5130f5f4c32db49d8ab400d39483688aca7120000000000001976a914d03c5ac75445281938d0c129b6da07946771d98288ac00000000</span>
</code></pre>
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@ -64,7 +64,7 @@
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</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/bitcoin-s/bitcoin-s/blob/master/docs/core/txbuilder.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">TxBuilder Example</h1></header><article><div><span><p>Bitcoin-S features a transaction building API that allows you to construct and sign Bitcoin transactions. Here's an example of how to use it</p>
<pre><code class="hljs css language-scala"><span class="hljs-keyword">implicit</span> <span class="hljs-keyword">val</span> ec: <span class="hljs-type">ExecutionContext</span> = <span class="hljs-type">ExecutionContext</span>.<span class="hljs-type">Implicits</span>.global
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@75c5f756[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@148ec758[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd)</span>
<span class="hljs-comment">// this is the script that the TxBuilder is going to create a</span>
<span class="hljs-comment">// script signature that validly spends this scriptPubKey</span>
<span class="hljs-keyword">val</span> creditingSpk = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = privKey.publicKey)
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e)</span>
<span class="hljs-keyword">val</span> amount = <span class="hljs-number">10000.</span>satoshis
<span class="hljs-comment">// amount: Satoshis = 10000 sats</span>
<span class="hljs-comment">// this is the UTXO we are going to be spending</span>
<span class="hljs-keyword">val</span> utxo =
<span class="hljs-type">TransactionOutput</span>(value = amount, scriptPubKey = creditingSpk)
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e))</span>
<span class="hljs-comment">// the private key that locks the funds for the script we are spending too</span>
<span class="hljs-keyword">val</span> destinationPrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
@ -99,7 +99,7 @@
<span class="hljs-comment">// the script that corresponds to destination private key, this is what is receiving the money</span>
<span class="hljs-keyword">val</span> destinationSPK =
<span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = destinationPrivKey.publicKey)
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(79059f9d20deb60f8bd4ce125b89b325bd958911)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(4e790f1937f5130f5f4c32db49d8ab400d394836)</span>
<span class="hljs-comment">// this is where we are sending money too</span>
<span class="hljs-comment">// we could add more destinations here if we</span>
@ -110,7 +110,7 @@
<span class="hljs-type">Vector</span>(destination0)
}
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(79059f9d20deb60f8bd4ce125b89b325bd958911)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(4e790f1937f5130f5f4c32db49d8ab400d394836)))</span>
<span class="hljs-comment">// Add the destinations to the tx builder</span>
builder ++= destinations
@ -123,17 +123,17 @@ builder ++= destinations
inputs = <span class="hljs-type">Vector</span>.empty,
outputs = <span class="hljs-type">Vector</span>(utxo),
lockTime = <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly "link" it in the transaction we are creating</span>
<span class="hljs-keyword">val</span> outPoint = <span class="hljs-type">TransactionOutPoint</span>(creditingTx.txId, <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0)</span>
<span class="hljs-keyword">val</span> input = <span class="hljs-type">TransactionInput</span>(
outPoint,
<span class="hljs-type">EmptyScriptSignature</span>,
sequenceNumber = <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// Add a new input to our builder</span>
builder += input
@ -141,11 +141,11 @@ builder += input
<span class="hljs-comment">// We can now generate a RawTxBuilderResult ready to be finalized</span>
<span class="hljs-keyword">val</span> builderResult = builder.result()
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(79059f9d20deb60f8bd4ce125b89b325bd958911))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4e790f1937f5130f5f4c32db49d8ab400d394836))),UInt32Impl(0))</span>
<span class="hljs-comment">// this contains the information needed to analyze our input during finalization</span>
<span class="hljs-keyword">val</span> inputInfo = <span class="hljs-type">P2PKHInputInfo</span>(outPoint, amount, privKey.publicKey)
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),10000 sats,ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),10000 sats,ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(d03c5ac75445281938d0c129b6da07946771d982)</span>
<span class="hljs-comment">// We chose a finalizer that adds a change output to our tx based on a fee rate</span>
<span class="hljs-keyword">val</span> finalizer = <span class="hljs-type">StandardNonInteractiveFinalizer</span>(
<span class="hljs-type">Vector</span>(inputInfo),
feeRate,
changeSPK)
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),10000 sats,ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644))),1 sats/byte,pkh(d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),10000 sats,ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd))),1 sats/byte,pkh(d03c5ac75445281938d0c129b6da07946771d982))</span>
<span class="hljs-comment">// We can now finalize the tx builder result from earlier with this finalizer</span>
<span class="hljs-keyword">val</span> unsignedTx: <span class="hljs-type">Transaction</span> = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(79059f9d20deb60f8bd4ce125b89b325bd958911)), TransactionOutput(4775 sats,pkh(d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4e790f1937f5130f5f4c32db49d8ab400d394836)), TransactionOutput(4775 sats,pkh(d03c5ac75445281938d0c129b6da07946771d982))),UInt32Impl(0))</span>
<span class="hljs-comment">// We now turn to signing the unsigned transaction</span>
<span class="hljs-comment">// this contains all the information we need to</span>
@ -176,12 +176,12 @@ builder += input
signers = <span class="hljs-type">Vector</span>(privKey),
hashType =
<span class="hljs-type">HashType</span>.sigHashAll)
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),10000 sats,ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),10000 sats,ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),10000 sats,ECPublicKey(03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8c96b1c477b9439a648dc6f0dad12221e53fb70c))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),10000 sats,ECPublicKey(02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6ae514a35a28f20439404ebeb2a09752fd72da2e))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cd53e50b8304d766d6bd4a967bc441d168c649c43e6e5978c860e29d85ea8efc:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644)), ECDigitalSignature(304402204096fece099b64631d5558e44f3082e8c58f935e484fb822965b0d720019b3b90220661153898975e2e9fddd6db909325058274577c56d0707ede8ff533173c1124701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(79059f9d20deb60f8bd4ce125b89b325bd958911)), TransactionOutput(4775 sats,pkh(d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(0602c898a7138cbf1017c3113009002ba95d740bd720384af49cddfce6240556:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd)), ECDigitalSignature(3044022027dc111b1223382c1cddcb4a2c1b2c92bcea1866e0c42b95208b018a92bd16e102202d1c51f4f74290699dc661f92dfb5d24083abbfc407c6ba0b2d8c75b1b9f307501)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4e790f1937f5130f5f4c32db49d8ab400d394836)), TransactionOutput(4775 sats,pkh(d03c5ac75445281938d0c129b6da07946771d982))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -207,7 +207,7 @@ signedTx.outputs.length
<span class="hljs-comment">//remember, you can call .hex on any bitcoin-s data structure to get the hex representation!</span>
signedTx.hex
<span class="hljs-comment">// res4: String = 0200000001fc8eea859de260c878596e3ec449c668d141c47b964abdd666d704830be553cd000000006a47304402204096fece099b64631d5558e44f3082e8c58f935e484fb822965b0d720019b3b90220661153898975e2e9fddd6db909325058274577c56d0707ede8ff533173c11247012103f12a7951ad77fc23dc0f2e5d725bfb92a3bab0418d21b78730914e1db54a5644000000000288130000000000001976a91479059f9d20deb60f8bd4ce125b89b325bd95891188aca7120000000000001976a914d9af86166abdd0099a8aa9d91aac7dd5bfc5ff6f88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001560524e6fcdd9cf44a3820d70b745da92b00093011c31710bf8c13a798c80206000000006a473044022027dc111b1223382c1cddcb4a2c1b2c92bcea1866e0c42b95208b018a92bd16e102202d1c51f4f74290699dc661f92dfb5d24083abbfc407c6ba0b2d8c75b1b9f3075012102c2d1c36fe42ef7b13744e3288f3ac0e060c2dafd53aea5d02251c26718f775bd000000000288130000000000001976a9144e790f1937f5130f5f4c32db49d8ab400d39483688aca7120000000000001976a914d03c5ac75445281938d0c129b6da07946771d98288ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/dlc"><span class="arrow-prev">← </span><span>Discreet Log Contract Data Structures</span></a><a class="docs-next button" href="/docs/next/core/lightning-network"><span>Lightning Network Data Types</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2022 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

4
docs/next/crypto/sign.html
View file

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100b2ac065b64c8830defe57f4ee4e90648c8d0c6ca8d4849630e4a80ccfa8ab262022004814b9a35b28b0b2158a77d7cb8dff962ce20907f1ede4fc66cc82c44e05ecd)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30440220144152868eb9848aae077dfedd47463827a8953c931322f8b4065b884d56b31b02204ab63688b26a5fd2fc388e054abcb60ebb4291dc5ac90ef305e42eccb8702b17)</span>
<span class="hljs-keyword">val</span> path = <span class="hljs-type">BIP32Path</span>(<span class="hljs-type">Vector</span>(<span class="hljs-type">BIP32Node</span>(<span class="hljs-number">0</span>,<span class="hljs-literal">false</span>)))
<span class="hljs-comment">// path: BIP32Path = m/0</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes,path)
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100d08430752186c021e7cce5a08842165aae0701ac4518d2f76a9fb6f9bd6ccca402200176d559b6fc89536bbb2ff1bb8a2d7f3c3df27f82acc863c60564ee6c1ce115)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402206ab7c48413f65c2096de4ce1d5b29141fefe91d24f11c1688b6e735332381027022016634f30ed71eab42c9bd258f209e9eeb4be57b7cdf46333e39e5c5a93d8fe3f)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

4
docs/next/crypto/sign/index.html
View file

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100b2ac065b64c8830defe57f4ee4e90648c8d0c6ca8d4849630e4a80ccfa8ab262022004814b9a35b28b0b2158a77d7cb8dff962ce20907f1ede4fc66cc82c44e05ecd)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30440220144152868eb9848aae077dfedd47463827a8953c931322f8b4065b884d56b31b02204ab63688b26a5fd2fc388e054abcb60ebb4291dc5ac90ef305e42eccb8702b17)</span>
<span class="hljs-keyword">val</span> path = <span class="hljs-type">BIP32Path</span>(<span class="hljs-type">Vector</span>(<span class="hljs-type">BIP32Node</span>(<span class="hljs-number">0</span>,<span class="hljs-literal">false</span>)))
<span class="hljs-comment">// path: BIP32Path = m/0</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes,path)
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100d08430752186c021e7cce5a08842165aae0701ac4518d2f76a9fb6f9bd6ccca402200176d559b6fc89536bbb2ff1bb8a2d7f3c3df27f82acc863c60564ee6c1ce115)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402206ab7c48413f65c2096de4ce1d5b29141fefe91d24f11c1688b6e735332381027022016634f30ed71eab42c9bd258f209e9eeb4be57b7cdf46333e39e5c5a93d8fe3f)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

2
docs/next/getting-started.html
View file

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.9.7-12-aa54f28a-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.7-14-6fae0aba-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

2
docs/next/getting-started/index.html
View file

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.9.7-12-aa54f28a-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.7-14-6fae0aba-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

22
docs/next/key-manager/key-manager.html
View file

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x20d587d6355433db61b52fddf150cafbb7f192699eada8602de97dae5624937f)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x56987ca6fe7a6b4b978e51c661c0bb68ed55214ad4edf84ddcfea0402035f8cb)</span>
<span class="hljs-keyword">val</span> mnemonic = <span class="hljs-type">MnemonicCode</span>.fromEntropy(entropy)
<span class="hljs-comment">// mnemonic: MnemonicCode = Masked(MnemonicCodeImpl)</span>
<span class="hljs-comment">//you can print that mnemonic seed with this</span>
println(mnemonic.words)
<span class="hljs-comment">// Vector(camp, promote, void, height, drip, unit, man, planet, target, melody, crawl, wash, lecture, since, please, stick, position, accident, kid, win, tornado, banner, evil, typical)</span>
<span class="hljs-comment">// Vector(final, sentence, claim, woman, pluck, place, funny, sketch, shoe, asthma, conduct, spike, stem, mouse, clip, oval, weapon, humble, distance, dog, acoustic, brain, tobacco, guitar)</span>
</code></pre>
<p>Now that we have a <code>MnemonicCode</code> that was securely generated, we need to now create <code>KeyManagerParams</code> which tells us how to generate
generate specific kinds of addresses for wallets.</p>
@ -99,7 +99,7 @@ generate specific kinds of addresses for wallets.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//this will create a temp directory with the prefix 'key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called "encrypted-bitcoin-s-seed.json"</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">"key-manager-example"</span>).resolve(<span class="hljs-type">WalletStorage</span>.<span class="hljs-type">ENCRYPTED_SEED_FILE_NAME</span>)
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example10745211909635969766/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example4642440724577473180/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let's create a native segwit key manager</span>
<span class="hljs-keyword">val</span> purpose = <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>
@ -110,19 +110,19 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// network: RegTest.type = RegTest</span>
<span class="hljs-keyword">val</span> kmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, purpose, network)
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10745211909635969766/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4642440724577473180/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-keyword">val</span> aesPasswordOpt = <span class="hljs-type">Some</span>(<span class="hljs-type">AesPassword</span>.fromString(<span class="hljs-string">"password"</span>))
<span class="hljs-comment">// aesPasswordOpt: Some[AesPassword] = Some(Masked(AesPassword))</span>
<span class="hljs-keyword">val</span> km = <span class="hljs-type">BIP39KeyManager</span>.initializeWithMnemonic(aesPasswordOpt, mnemonic, <span class="hljs-type">None</span>, kmParams)
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@260be95)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@20ff45a0)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ8x9WEVRiAGC5URKtqcnsj3E35TKKEsFjjyAPKKE6SHqbeVWKDM2wRGvdXU3TvQPK2Yq5pkQQa7vfVk1aZb3qiPShLRxVKe</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYrwpRdCEzHXigkA6VdQK3yLUwVdBki2YDxuLDnQH3uzH7Ztuw6qPPZvGe74FyGDZwCc788z8ckM65ZcTpmQzfo6iKEaHiuh</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ8x9WEVRiAGC5URKtqcnsj3E35TKKEsFjjyAPKKE6SHqbeVWKDM2wRGvdXU3TvQPK2Yq5pkQQa7vfVk1aZb3qiPShLRxVKe</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYrwpRdCEzHXigkA6VdQK3yLUwVdBki2YDxuLDnQH3uzH7Ztuw6qPPZvGe74FyGDZwCc788z8ckM65ZcTpmQzfo6iKEaHiuh</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -131,17 +131,17 @@ println(rootXPub)
again after initializing it once. You can use the same <code>mnemonic</code> for different networks, which you control <code>KeyManagerParams</code>.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//let's create a nested segwit key manager for mainnet</span>
<span class="hljs-keyword">val</span> mainnetKmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10745211909635969766/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4642440724577473180/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now, <span class="hljs-literal">false</span>)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@1415e2d4</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@5213d4f7</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxKicqfdvYWeCmM17fKanYB87Af2rqGNmx9E5PwyUagvPgUKrJqxiZyk9dRrHJZparB15xcQTbWrL8rXhvCrzvce2FbxJmW7</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx3iHm4LjpdujNcjtG7NJiRRN55CjGjY4SNAFER4XYAcqCPjFvjT528PVe1SVoudmUM4MzveBoh5VYvQAAQgwkhMHsXTkoej</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxKicqfdvYWeCmM17fKanYB87Af2rqGNmx9E5PwyUagvPgUKrJqxiZyk9dRrHJZparB15xcQTbWrL8rXhvCrzvce2FbxJmW7</span>
<span class="hljs-comment">// zpub6jftahH18ngZx3iHm4LjpdujNcjtG7NJiRRN55CjGjY4SNAFER4XYAcqCPjFvjT528PVe1SVoudmUM4MzveBoh5VYvQAAQgwkhMHsXTkoej</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

22
docs/next/key-manager/key-manager/index.html
View file

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x20d587d6355433db61b52fddf150cafbb7f192699eada8602de97dae5624937f)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x56987ca6fe7a6b4b978e51c661c0bb68ed55214ad4edf84ddcfea0402035f8cb)</span>
<span class="hljs-keyword">val</span> mnemonic = <span class="hljs-type">MnemonicCode</span>.fromEntropy(entropy)
<span class="hljs-comment">// mnemonic: MnemonicCode = Masked(MnemonicCodeImpl)</span>
<span class="hljs-comment">//you can print that mnemonic seed with this</span>
println(mnemonic.words)
<span class="hljs-comment">// Vector(camp, promote, void, height, drip, unit, man, planet, target, melody, crawl, wash, lecture, since, please, stick, position, accident, kid, win, tornado, banner, evil, typical)</span>
<span class="hljs-comment">// Vector(final, sentence, claim, woman, pluck, place, funny, sketch, shoe, asthma, conduct, spike, stem, mouse, clip, oval, weapon, humble, distance, dog, acoustic, brain, tobacco, guitar)</span>
</code></pre>
<p>Now that we have a <code>MnemonicCode</code> that was securely generated, we need to now create <code>KeyManagerParams</code> which tells us how to generate
generate specific kinds of addresses for wallets.</p>
@ -99,7 +99,7 @@ generate specific kinds of addresses for wallets.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//this will create a temp directory with the prefix 'key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called "encrypted-bitcoin-s-seed.json"</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">"key-manager-example"</span>).resolve(<span class="hljs-type">WalletStorage</span>.<span class="hljs-type">ENCRYPTED_SEED_FILE_NAME</span>)
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example10745211909635969766/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example4642440724577473180/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let's create a native segwit key manager</span>
<span class="hljs-keyword">val</span> purpose = <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>
@ -110,19 +110,19 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// network: RegTest.type = RegTest</span>
<span class="hljs-keyword">val</span> kmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, purpose, network)
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10745211909635969766/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4642440724577473180/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-keyword">val</span> aesPasswordOpt = <span class="hljs-type">Some</span>(<span class="hljs-type">AesPassword</span>.fromString(<span class="hljs-string">"password"</span>))
<span class="hljs-comment">// aesPasswordOpt: Some[AesPassword] = Some(Masked(AesPassword))</span>
<span class="hljs-keyword">val</span> km = <span class="hljs-type">BIP39KeyManager</span>.initializeWithMnemonic(aesPasswordOpt, mnemonic, <span class="hljs-type">None</span>, kmParams)
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@260be95)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@20ff45a0)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ8x9WEVRiAGC5URKtqcnsj3E35TKKEsFjjyAPKKE6SHqbeVWKDM2wRGvdXU3TvQPK2Yq5pkQQa7vfVk1aZb3qiPShLRxVKe</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYrwpRdCEzHXigkA6VdQK3yLUwVdBki2YDxuLDnQH3uzH7Ztuw6qPPZvGe74FyGDZwCc788z8ckM65ZcTpmQzfo6iKEaHiuh</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ8x9WEVRiAGC5URKtqcnsj3E35TKKEsFjjyAPKKE6SHqbeVWKDM2wRGvdXU3TvQPK2Yq5pkQQa7vfVk1aZb3qiPShLRxVKe</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYrwpRdCEzHXigkA6VdQK3yLUwVdBki2YDxuLDnQH3uzH7Ztuw6qPPZvGe74FyGDZwCc788z8ckM65ZcTpmQzfo6iKEaHiuh</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -131,17 +131,17 @@ println(rootXPub)
again after initializing it once. You can use the same <code>mnemonic</code> for different networks, which you control <code>KeyManagerParams</code>.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//let's create a nested segwit key manager for mainnet</span>
<span class="hljs-keyword">val</span> mainnetKmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10745211909635969766/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4642440724577473180/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now, <span class="hljs-literal">false</span>)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@1415e2d4</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@5213d4f7</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxKicqfdvYWeCmM17fKanYB87Af2rqGNmx9E5PwyUagvPgUKrJqxiZyk9dRrHJZparB15xcQTbWrL8rXhvCrzvce2FbxJmW7</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx3iHm4LjpdujNcjtG7NJiRRN55CjGjY4SNAFER4XYAcqCPjFvjT528PVe1SVoudmUM4MzveBoh5VYvQAAQgwkhMHsXTkoej</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxKicqfdvYWeCmM17fKanYB87Af2rqGNmx9E5PwyUagvPgUKrJqxiZyk9dRrHJZparB15xcQTbWrL8rXhvCrzvce2FbxJmW7</span>
<span class="hljs-comment">// zpub6jftahH18ngZx3iHm4LjpdujNcjtG7NJiRRN55CjGjY4SNAFER4XYAcqCPjFvjT528PVe1SVoudmUM4MzveBoh5VYvQAAQgwkhMHsXTkoej</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

4
docs/next/secp256k1/secp256k1.html
View file

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(039b9f4c5350e65247a44af24a7f5f2bcd09b660dba98d77b024e0edf567854fd0)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02c579b5517c46f13a8c039460c177cf9636e511cbd3b191a3f77f49c7661de0d9)</span>
<span class="hljs-keyword">val</span> dataToSign = <span class="hljs-type">DoubleSha256Digest</span>.empty
<span class="hljs-comment">// dataToSign: DoubleSha256Digest = DoubleSha256Digest(0000000000000000000000000000000000000000000000000000000000000000)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> signature = privKey.sign(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022040eefb80c05d207eed4d87fcc3fb68b6856d961bd341fd42cce357283acb5a7802202bbb0115a51e71d775f0a2d5e48d8e188c06c54bc5d8db513d14cd6bccf45823)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100dd1729183b55e8d3fdde0d87bcd49d0e4081fba67a83b7d5060f3e2598c09bab02200629445c4cddf7cb5727cab4b69e96d87d75f4e409722331bcec2ff1b22e2ac5)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)

4
docs/next/secp256k1/secp256k1/index.html
View file

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(039b9f4c5350e65247a44af24a7f5f2bcd09b660dba98d77b024e0edf567854fd0)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02c579b5517c46f13a8c039460c177cf9636e511cbd3b191a3f77f49c7661de0d9)</span>
<span class="hljs-keyword">val</span> dataToSign = <span class="hljs-type">DoubleSha256Digest</span>.empty
<span class="hljs-comment">// dataToSign: DoubleSha256Digest = DoubleSha256Digest(0000000000000000000000000000000000000000000000000000000000000000)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> signature = privKey.sign(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022040eefb80c05d207eed4d87fcc3fb68b6856d961bd341fd42cce357283acb5a7802202bbb0115a51e71d775f0a2d5e48d8e188c06c54bc5d8db513d14cd6bccf45823)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100dd1729183b55e8d3fdde0d87bcd49d0e4081fba67a83b7d5060f3e2598c09bab02200629445c4cddf7cb5727cab4b69e96d87d75f4e409722331bcec2ff1b22e2ac5)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)