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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(0388afb334e297153d80dae6547cea8917359ccae02569ffc9a49c53331298a2db)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02ac8b58902532d425aa0162b565bd977ce66d10273746a09ec2df1e333893311f)</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 = tb1qru3as29ltu2arljkapvmcn383dxf6nnv9wwzq7</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q05h3k2jk8lk8gsudcwdw0al7vp4ze4yklsw30n</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qru3as29ltu2arljkapvmcn383dxf6nnv9wwzq7</span>
<span class="hljs-comment">// tb1q05h3k2jk8lk8gsudcwdw0al7vp4ze4yklsw30n</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 = miMcBWcX8iTtDx5but14Xi3BhGea9orbUc</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mrvsC2HpEjWeWyXajCCgRD9YudXMbTv8Hi</span>
println(legacyAddress.toString)
<span class="hljs-comment">// miMcBWcX8iTtDx5but14Xi3BhGea9orbUc</span>
<span class="hljs-comment">// mrvsC2HpEjWeWyXajCCgRD9YudXMbTv8Hi</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 © 2021 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(0388afb334e297153d80dae6547cea8917359ccae02569ffc9a49c53331298a2db)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02ac8b58902532d425aa0162b565bd977ce66d10273746a09ec2df1e333893311f)</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 = tb1qru3as29ltu2arljkapvmcn383dxf6nnv9wwzq7</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q05h3k2jk8lk8gsudcwdw0al7vp4ze4yklsw30n</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qru3as29ltu2arljkapvmcn383dxf6nnv9wwzq7</span>
<span class="hljs-comment">// tb1q05h3k2jk8lk8gsudcwdw0al7vp4ze4yklsw30n</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 = miMcBWcX8iTtDx5but14Xi3BhGea9orbUc</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mrvsC2HpEjWeWyXajCCgRD9YudXMbTv8Hi</span>
println(legacyAddress.toString)
<span class="hljs-comment">// miMcBWcX8iTtDx5but14Xi3BhGea9orbUc</span>
<span class="hljs-comment">// mrvsC2HpEjWeWyXajCCgRD9YudXMbTv8Hi</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 © 2021 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, 0x0e524be2c78622c8305ee5b3017ed2c418a6a8efd65e4c31f8250e9ba91fe4d3)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x63cc73e827c5d42ceddbca5b3abff9317d959366411bba6534ad15541eaf0eb3)</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(atom, myself, weather, monitor, giraffe, goat, scrap, syrup, reason, armor, regret, market, media, federal, satisfy, slim, equip, more, announce, brush, ritual, morning, nation, high) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(glow, glory, wheel, exhibit, front, biology, resist, junk, forest, sting, wrestle, glass, sun, situate, october, casino, risk, claim, clip, click, draft, fiscal, depart, jump) // 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 = zpub6jftahH18ngZxLzoU6pnUozXRN2GvTiqoHWd5n49vNT9KFGgvD5LcjK4BXVRErcKmCTbJcyXqFFWhh9jQnvvqqifW68NwLchvSr7JMh7tLM</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxttoKfxKRoaqXpLckMRxMJwKiWfuFeBwxZhr7tNwN8UGP3mYS16cERpXjexKCqMJLMYAGBmsjPkjdTZ7g7sZGbhmjqC55Dw</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 = zpub6rizAvFy7zNiDk8hBNxPUUHhEnt1fiYfDHp7EVLHDyV1dUw3S8XVAPTPquBQp9vcFXjEGW6YuGLAA1PxJrtXsVS1p5Fyrb94kqgcVPtWnEY</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qfArEKcVEpzrF4jvcWDmh6fmWHzEb4LeU7dQ3A2JSnUdazY4GLdVsX8LRHcrjcW29CWVtyKtcy36mQ1mv7QbhRR4MRkuZMcwiZGui6BEAd</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 = tb1qxj0g6jqm35yrq86nwqp293ge4m8ujg58h4j74c</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q6jrrgf0xxcj4tygxxwq0pyzsqewquc00cxuf62</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 = tb1qxj0g6jqm35yrq86nwqp293ge4m8ujg58h4j74c</span>
<span class="hljs-comment">// res2: String = tb1q6jrrgf0xxcj4tygxxwq0pyzsqewquc00cxuf62</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, 0x0e524be2c78622c8305ee5b3017ed2c418a6a8efd65e4c31f8250e9ba91fe4d3)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x63cc73e827c5d42ceddbca5b3abff9317d959366411bba6534ad15541eaf0eb3)</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(atom, myself, weather, monitor, giraffe, goat, scrap, syrup, reason, armor, regret, market, media, federal, satisfy, slim, equip, more, announce, brush, ritual, morning, nation, high) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(glow, glory, wheel, exhibit, front, biology, resist, junk, forest, sting, wrestle, glass, sun, situate, october, casino, risk, claim, clip, click, draft, fiscal, depart, jump) // 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 = zpub6jftahH18ngZxLzoU6pnUozXRN2GvTiqoHWd5n49vNT9KFGgvD5LcjK4BXVRErcKmCTbJcyXqFFWhh9jQnvvqqifW68NwLchvSr7JMh7tLM</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxttoKfxKRoaqXpLckMRxMJwKiWfuFeBwxZhr7tNwN8UGP3mYS16cERpXjexKCqMJLMYAGBmsjPkjdTZ7g7sZGbhmjqC55Dw</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 = zpub6rizAvFy7zNiDk8hBNxPUUHhEnt1fiYfDHp7EVLHDyV1dUw3S8XVAPTPquBQp9vcFXjEGW6YuGLAA1PxJrtXsVS1p5Fyrb94kqgcVPtWnEY</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qfArEKcVEpzrF4jvcWDmh6fmWHzEb4LeU7dQ3A2JSnUdazY4GLdVsX8LRHcrjcW29CWVtyKtcy36mQ1mv7QbhRR4MRkuZMcwiZGui6BEAd</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 = tb1qxj0g6jqm35yrq86nwqp293ge4m8ujg58h4j74c</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q6jrrgf0xxcj4tygxxwq0pyzsqewquc00cxuf62</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 = tb1qxj0g6jqm35yrq86nwqp293ge4m8ujg58h4j74c</span>
<span class="hljs-comment">// res2: String = tb1q6jrrgf0xxcj4tygxxwq0pyzsqewquc00cxuf62</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$$anon$3@77a0f018[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@1a8fee87[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(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7)</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(cc384aa483fb747f2117912229d8fe3232d14b85)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(afc14d70df8d805531bcc26dd8094373e8957ac2)</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(cc384aa483fb747f2117912229d8fe3232d14b85))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(afc14d70df8d805531bcc26dd8094373e8957ac2))</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(b89b00dbbd6948ff0535545196e733952011c829)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(220f97b1b65a541ec55703c60634a8e2d7844d07)</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(b89b00dbbd6948ff0535545196e733952011c829)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(220f97b1b65a541ec55703c60634a8e2d7844d07)))</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(cc384aa483fb747f2117912229d8fe3232d14b85))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(afc14d70df8d805531bcc26dd8094373e8957ac2))),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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c: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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c: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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b89b00dbbd6948ff0535545196e733952011c829))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(220f97b1b65a541ec55703c60634a8e2d7844d07))),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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),10000 sats,ECPublicKey(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),10000 sats,ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7))</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(246d779cc6114ea8bd1c123926f339894f9bf05f)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(346e65cbc5cc1c79b9344dfca4056abbad74b0fc)</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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),10000 sats,ECPublicKey(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3))),1 sats/byte,pkh(246d779cc6114ea8bd1c123926f339894f9bf05f))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),10000 sats,ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7))),1 sats/byte,pkh(346e65cbc5cc1c79b9344dfca4056abbad74b0fc))</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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b89b00dbbd6948ff0535545196e733952011c829)), TransactionOutput(4775 sats,pkh(246d779cc6114ea8bd1c123926f339894f9bf05f))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(220f97b1b65a541ec55703c60634a8e2d7844d07)), TransactionOutput(4775 sats,pkh(346e65cbc5cc1c79b9344dfca4056abbad74b0fc))),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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),10000 sats,ECPublicKey(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(cc384aa483fb747f2117912229d8fe3232d14b85))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),10000 sats,ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(afc14d70df8d805531bcc26dd8094373e8957ac2))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),10000 sats,ECPublicKey(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(cc384aa483fb747f2117912229d8fe3232d14b85))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),10000 sats,ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(afc14d70df8d805531bcc26dd8094373e8957ac2))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3)), ECDigitalSignature(30440220158f3fdbaf01dba3bf85377b1aca8bd3bebf0321757852c203cd4355cf1d25870220586b6b7214876770781f9b1f00314b5f0e48caec60ef54909e83e42864652c8201)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b89b00dbbd6948ff0535545196e733952011c829)), TransactionOutput(4775 sats,pkh(246d779cc6114ea8bd1c123926f339894f9bf05f))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7)), ECDigitalSignature(3044022015ffb0a965e4ebf0148657b84fc74d82a690819c579131e1fa96fe7a4cd040fd022024693b64628f77a2bcbd5afe1ca6790773c1c469f0de5bc8fad99f8472ff47db01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(220f97b1b65a541ec55703c60634a8e2d7844d07)), TransactionOutput(4775 sats,pkh(346e65cbc5cc1c79b9344dfca4056abbad74b0fc))),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 = 0200000001891138b5ed3549ed1f63e925787bbe16763bed77f1f25ddceb879e9a99af2892000000006a4730440220158f3fdbaf01dba3bf85377b1aca8bd3bebf0321757852c203cd4355cf1d25870220586b6b7214876770781f9b1f00314b5f0e48caec60ef54909e83e42864652c82012103621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3000000000288130000000000001976a914b89b00dbbd6948ff0535545196e733952011c82988aca7120000000000001976a914246d779cc6114ea8bd1c123926f339894f9bf05f88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000015ccd381eb88d60797e32c99bb91c08ad6928873c0383c67c1516072d114a47c7000000006a473044022015ffb0a965e4ebf0148657b84fc74d82a690819c579131e1fa96fe7a4cd040fd022024693b64628f77a2bcbd5afe1ca6790773c1c469f0de5bc8fad99f8472ff47db012103544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7000000000288130000000000001976a914220f97b1b65a541ec55703c60634a8e2d7844d0788aca7120000000000001976a914346e65cbc5cc1c79b9344dfca4056abbad74b0fc88ac00000000</span>
</code></pre>
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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$$anon$3@77a0f018[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@1a8fee87[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(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7)</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(cc384aa483fb747f2117912229d8fe3232d14b85)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(afc14d70df8d805531bcc26dd8094373e8957ac2)</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(cc384aa483fb747f2117912229d8fe3232d14b85))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(afc14d70df8d805531bcc26dd8094373e8957ac2))</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(b89b00dbbd6948ff0535545196e733952011c829)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(220f97b1b65a541ec55703c60634a8e2d7844d07)</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(b89b00dbbd6948ff0535545196e733952011c829)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(220f97b1b65a541ec55703c60634a8e2d7844d07)))</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(cc384aa483fb747f2117912229d8fe3232d14b85))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(afc14d70df8d805531bcc26dd8094373e8957ac2))),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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c: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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c: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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b89b00dbbd6948ff0535545196e733952011c829))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(220f97b1b65a541ec55703c60634a8e2d7844d07))),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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),10000 sats,ECPublicKey(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),10000 sats,ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7))</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(246d779cc6114ea8bd1c123926f339894f9bf05f)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(346e65cbc5cc1c79b9344dfca4056abbad74b0fc)</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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),10000 sats,ECPublicKey(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3))),1 sats/byte,pkh(246d779cc6114ea8bd1c123926f339894f9bf05f))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),10000 sats,ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7))),1 sats/byte,pkh(346e65cbc5cc1c79b9344dfca4056abbad74b0fc))</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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b89b00dbbd6948ff0535545196e733952011c829)), TransactionOutput(4775 sats,pkh(246d779cc6114ea8bd1c123926f339894f9bf05f))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(220f97b1b65a541ec55703c60634a8e2d7844d07)), TransactionOutput(4775 sats,pkh(346e65cbc5cc1c79b9344dfca4056abbad74b0fc))),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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),10000 sats,ECPublicKey(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(cc384aa483fb747f2117912229d8fe3232d14b85))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),10000 sats,ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(afc14d70df8d805531bcc26dd8094373e8957ac2))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),10000 sats,ECPublicKey(03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(cc384aa483fb747f2117912229d8fe3232d14b85))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),10000 sats,ECPublicKey(03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(afc14d70df8d805531bcc26dd8094373e8957ac2))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(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(9228af999a9e87ebdc5df2f177ed3b7616be7b7825e9631fed4935edb5381189:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3)), ECDigitalSignature(30440220158f3fdbaf01dba3bf85377b1aca8bd3bebf0321757852c203cd4355cf1d25870220586b6b7214876770781f9b1f00314b5f0e48caec60ef54909e83e42864652c8201)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b89b00dbbd6948ff0535545196e733952011c829)), TransactionOutput(4775 sats,pkh(246d779cc6114ea8bd1c123926f339894f9bf05f))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c7474a112d0716157cc683033c872869ad081cb99bc9327e79608db81e38cd5c:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7)), ECDigitalSignature(3044022015ffb0a965e4ebf0148657b84fc74d82a690819c579131e1fa96fe7a4cd040fd022024693b64628f77a2bcbd5afe1ca6790773c1c469f0de5bc8fad99f8472ff47db01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(220f97b1b65a541ec55703c60634a8e2d7844d07)), TransactionOutput(4775 sats,pkh(346e65cbc5cc1c79b9344dfca4056abbad74b0fc))),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 = 0200000001891138b5ed3549ed1f63e925787bbe16763bed77f1f25ddceb879e9a99af2892000000006a4730440220158f3fdbaf01dba3bf85377b1aca8bd3bebf0321757852c203cd4355cf1d25870220586b6b7214876770781f9b1f00314b5f0e48caec60ef54909e83e42864652c82012103621e063ffd603aec8f680802ddb58dc15882565aab95c557cbb0d801301710e3000000000288130000000000001976a914b89b00dbbd6948ff0535545196e733952011c82988aca7120000000000001976a914246d779cc6114ea8bd1c123926f339894f9bf05f88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000015ccd381eb88d60797e32c99bb91c08ad6928873c0383c67c1516072d114a47c7000000006a473044022015ffb0a965e4ebf0148657b84fc74d82a690819c579131e1fa96fe7a4cd040fd022024693b64628f77a2bcbd5afe1ca6790773c1c469f0de5bc8fad99f8472ff47db012103544d4fbd914bea164096c490f17731ce34b9a097cbd0fc772eaf4c9878cec8f7000000000288130000000000001976a914220f97b1b65a541ec55703c60634a8e2d7844d0788aca7120000000000001976a914346e65cbc5cc1c79b9344dfca4056abbad74b0fc88ac00000000</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 © 2021 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(3045022100b9b1271a9cff3d5cdc2082aaec30da360beedd6ca8c2d88e34f5ce76b4a9336802206d2831cf57d3505ba1f6394af7a29fe8696c34fa3b22ed69d0819fda25b20a34)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100f0d1d15a35ba83f03ca17d730a46b52c6d8ea856d0faff975938ba1f9edc3810022048acc44977ca9367e9a1ece64d814d619d4d309f8c9fdd75f2a23b45218614d7)</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(30440220302d0d36530e73c8cb97468696d64aa34789bd85382c1f5ec3225443d50c2f5d02207bf73a91d8381f130655d04aba3848381cb73deca179f4c8f8707b69fbccdd80)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100a8abd9647980e289d6f23739df37d365d38af611b9c31248597c2aa8fc9b1ed00220797b02e26e35c30874fdf9ded6b657f38fb5183afe9e9ce939cd6966f4dee5d8)</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(3045022100b9b1271a9cff3d5cdc2082aaec30da360beedd6ca8c2d88e34f5ce76b4a9336802206d2831cf57d3505ba1f6394af7a29fe8696c34fa3b22ed69d0819fda25b20a34)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100f0d1d15a35ba83f03ca17d730a46b52c6d8ea856d0faff975938ba1f9edc3810022048acc44977ca9367e9a1ece64d814d619d4d309f8c9fdd75f2a23b45218614d7)</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(30440220302d0d36530e73c8cb97468696d64aa34789bd85382c1f5ec3225443d50c2f5d02207bf73a91d8381f130655d04aba3848381cb73deca179f4c8f8707b69fbccdd80)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100a8abd9647980e289d6f23739df37d365d38af611b9c31248597c2aa8fc9b1ed00220797b02e26e35c30874fdf9ded6b657f38fb5183afe9e9ce939cd6966f4dee5d8)</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>1.7.0-121-4ef1e6bc-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.7.0-122-0200ae8b-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>1.7.0-121-4ef1e6bc-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.7.0-122-0200ae8b-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, 0xde56f51767a4d56ec7d84d44aebce11e0839972cc60ac6c4417fa02a53769af0)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x8c8fc0b2eac6525db2f16f4c57b37157bffb77b138be82985093a21e198e7432)</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(tattoo, response, easy, soon, essence, resist, buyer, answer, dwarf, invest, debate, despair, logic, slide, reason, scout, short, capital, garment, doctor, pioneer, robust, hint, april)</span>
<span class="hljs-comment">// Vector(milk, lawn, coach, stereo, gown, conduct, slim, combine, era, rural, sword, quarter, zero, rookie, shaft, blind, little, secret, ceiling, during, thunder, shrimp, speak, error)</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-example15835419012907282457/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example7112042356034362315/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-example15835419012907282457/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7112042356034362315/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@50cae212)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@5564d6d9)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZychmZXKkQpgGnhjzkbN3HmT2iFXrsPit2dFS89NCi2AuJJoATvkQYj99ZPvGHHSK9PG5dsZpGtPvv2NGvHSLrpHKmAZbMq</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZjw7wZJHcLPJdVDFfbvN75E5tvEXRgshfAUAXdD2ioCXd1ju8nEfTYmt31fbEE2FUnthRWXDvakKBrG1Ng8pEUHQHA2gsAa</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZychmZXKkQpgGnhjzkbN3HmT2iFXrsPit2dFS89NCi2AuJJoATvkQYj99ZPvGHHSK9PG5dsZpGtPvv2NGvHSLrpHKmAZbMq</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZjw7wZJHcLPJdVDFfbvN75E5tvEXRgshfAUAXdD2ioCXd1ju8nEfTYmt31fbEE2FUnthRWXDvakKBrG1Ng8pEUHQHA2gsAa</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-example15835419012907282457/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7112042356034362315/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-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@2c0e5704</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@76e0297e</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyAPB6zfpamCgxfHXmEZMhjrLAHq5NtuF6RtASkocgxeiz899A6YS37CN9TnA6vhdrHqWxRXd1DcoQGp4cZZPRm4rt6xUDyN</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxvhbGzSnSgmKKMo3S5tMmXJy2Vp4wiPDsZj5YFsHD3q5hqaF8QrM67F72v3q4sST1wLxJJBH7XUifD3hiKQmKNXyqSa8W95</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyAPB6zfpamCgxfHXmEZMhjrLAHq5NtuF6RtASkocgxeiz899A6YS37CN9TnA6vhdrHqWxRXd1DcoQGp4cZZPRm4rt6xUDyN</span>
<span class="hljs-comment">// zpub6jftahH18ngZxvhbGzSnSgmKKMo3S5tMmXJy2Vp4wiPDsZj5YFsHD3q5hqaF8QrM67F72v3q4sST1wLxJJBH7XUifD3hiKQmKNXyqSa8W95</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, 0xde56f51767a4d56ec7d84d44aebce11e0839972cc60ac6c4417fa02a53769af0)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x8c8fc0b2eac6525db2f16f4c57b37157bffb77b138be82985093a21e198e7432)</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(tattoo, response, easy, soon, essence, resist, buyer, answer, dwarf, invest, debate, despair, logic, slide, reason, scout, short, capital, garment, doctor, pioneer, robust, hint, april)</span>
<span class="hljs-comment">// Vector(milk, lawn, coach, stereo, gown, conduct, slim, combine, era, rural, sword, quarter, zero, rookie, shaft, blind, little, secret, ceiling, during, thunder, shrimp, speak, error)</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-example15835419012907282457/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example7112042356034362315/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-example15835419012907282457/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7112042356034362315/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@50cae212)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@5564d6d9)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZychmZXKkQpgGnhjzkbN3HmT2iFXrsPit2dFS89NCi2AuJJoATvkQYj99ZPvGHHSK9PG5dsZpGtPvv2NGvHSLrpHKmAZbMq</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZjw7wZJHcLPJdVDFfbvN75E5tvEXRgshfAUAXdD2ioCXd1ju8nEfTYmt31fbEE2FUnthRWXDvakKBrG1Ng8pEUHQHA2gsAa</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZychmZXKkQpgGnhjzkbN3HmT2iFXrsPit2dFS89NCi2AuJJoATvkQYj99ZPvGHHSK9PG5dsZpGtPvv2NGvHSLrpHKmAZbMq</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZjw7wZJHcLPJdVDFfbvN75E5tvEXRgshfAUAXdD2ioCXd1ju8nEfTYmt31fbEE2FUnthRWXDvakKBrG1Ng8pEUHQHA2gsAa</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-example15835419012907282457/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7112042356034362315/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-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@2c0e5704</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@76e0297e</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyAPB6zfpamCgxfHXmEZMhjrLAHq5NtuF6RtASkocgxeiz899A6YS37CN9TnA6vhdrHqWxRXd1DcoQGp4cZZPRm4rt6xUDyN</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxvhbGzSnSgmKKMo3S5tMmXJy2Vp4wiPDsZj5YFsHD3q5hqaF8QrM67F72v3q4sST1wLxJJBH7XUifD3hiKQmKNXyqSa8W95</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyAPB6zfpamCgxfHXmEZMhjrLAHq5NtuF6RtASkocgxeiz899A6YS37CN9TnA6vhdrHqWxRXd1DcoQGp4cZZPRm4rt6xUDyN</span>
<span class="hljs-comment">// zpub6jftahH18ngZxvhbGzSnSgmKKMo3S5tMmXJy2Vp4wiPDsZj5YFsHD3q5hqaF8QrM67F72v3q4sST1wLxJJBH7XUifD3hiKQmKNXyqSa8W95</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(036560df880b30b7dd34278758dfe159d3123fa8b271c0a40b639605ffe41b733f)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03873456888ca75a987328614f6fa7ad4c2fa902d0be5c206ca9708347e4c95eee)</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(3045022100dc06efd8ac6be7c7d326dec5d03d9ce8a191e1f1d57c50b1a80a969692b6581d0220742fd14a111c62d80b29d9c0c403999911b28bdf750daeff8c3958c8da5b6653)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100d3df92187250b92e90271fb5c0f33c82d58476ecdbc1d5be1a21a67967ef948902204503bb8919444917db769ef4ed62963dfabf87fede91f2e9dcc69f1e652a9dac)</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(036560df880b30b7dd34278758dfe159d3123fa8b271c0a40b639605ffe41b733f)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03873456888ca75a987328614f6fa7ad4c2fa902d0be5c206ca9708347e4c95eee)</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(3045022100dc06efd8ac6be7c7d326dec5d03d9ce8a191e1f1d57c50b1a80a969692b6581d0220742fd14a111c62d80b29d9c0c403999911b28bdf750daeff8c3958c8da5b6653)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100d3df92187250b92e90271fb5c0f33c82d58476ecdbc1d5be1a21a67967ef948902204503bb8919444917db769ef4ed62963dfabf87fede91f2e9dcc69f1e652a9dac)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)