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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(02f10d11241c30e7f4feb69fcd7b5b8f83764c4d5a66c3626ec03907025138d4bc)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0362f2145be9b9c0a22b3e161a1464bf11d32c65aa9269c9d2cddf75f459c384c3)</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 = tb1qc9ak28akmrpknaflst5prvnm00nl2pk8smfe0w</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qy4v39tkcgs4k9gez6407fdptdxhmqpm3w7gtyn</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qc9ak28akmrpknaflst5prvnm00nl2pk8smfe0w</span>
<span class="hljs-comment">// tb1qy4v39tkcgs4k9gez6407fdptdxhmqpm3w7gtyn</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 = my9zXiKdh3dpGGB9ETWoUPdLCDCdLdAdBZ</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mivS13uZhhZ9u51bKKos5SMZU9WFB89xQc</span>
println(legacyAddress.toString)
<span class="hljs-comment">// my9zXiKdh3dpGGB9ETWoUPdLCDCdLdAdBZ</span>
<span class="hljs-comment">// mivS13uZhhZ9u51bKKos5SMZU9WFB89xQc</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(02f10d11241c30e7f4feb69fcd7b5b8f83764c4d5a66c3626ec03907025138d4bc)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0362f2145be9b9c0a22b3e161a1464bf11d32c65aa9269c9d2cddf75f459c384c3)</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 = tb1qc9ak28akmrpknaflst5prvnm00nl2pk8smfe0w</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qy4v39tkcgs4k9gez6407fdptdxhmqpm3w7gtyn</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qc9ak28akmrpknaflst5prvnm00nl2pk8smfe0w</span>
<span class="hljs-comment">// tb1qy4v39tkcgs4k9gez6407fdptdxhmqpm3w7gtyn</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 = my9zXiKdh3dpGGB9ETWoUPdLCDCdLdAdBZ</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mivS13uZhhZ9u51bKKos5SMZU9WFB89xQc</span>
println(legacyAddress.toString)
<span class="hljs-comment">// my9zXiKdh3dpGGB9ETWoUPdLCDCdLdAdBZ</span>
<span class="hljs-comment">// mivS13uZhhZ9u51bKKos5SMZU9WFB89xQc</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, 0x50095c5d2b9d13c7e350d1365cccadf40aca336a077f30b767249234383c8766)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x29532d30bde823aedc4384be65df768c2530df0cd1c67eb230ace8f9d6a7a152)</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(exotic, enough, blanket, fire, spell, token, minute, boss, curve, toy, clock, trend, protect, boost, pool, useful, cost, robot, since, caught, drum, bundle, budget, suspect) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(citizen, offer, equip, knock, lion, student, illegal, identify, salmon, confirm, tank, blue, fantasy, hurdle, crew, decide, leaf, muscle, clinic, spin, output, fatigue, luxury, eagle) // 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 = zpub6jftahH18ngZyU4cQW2wXNy33mjWKxWTDr8kZ33wcEGbBu819YDfiBVTsVD1pSBavWiEQFi9qJ1pGBoUFbj4fmxemPzGEyUruA3EDWXqoMD</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxhTGucm53SAYfMptWLhTujCeQFxnXdGx7sQNBojtjCwBgjrSiKco87sSMXwx5PNibU4hjxkDbDWty5BBoR8vnEt1cJZ6pND</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 = zpub6sBjFXwwmpqHfS3rjdW9ANeu8CzpfCKkyw457XVvnePUAXdC2ZFNjZA1fjg8RoyaghtZveTdzaabqKYjMSQzyPqbm5LRypv8pytJpLhGBC2</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r4NF8FQCAGewSjippppLMXjPccu1VuFxTLUucQCBs7TzXE2GGLFiG6etDQdoZsWXmGUMKBpgWsFsxcvYTwK9Zv58CRLPA8SE9Xi4XoriZd</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 = tb1qu68yvkz5rggde8rjeyg59ckhqd899yfw7fngjq</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qr8uxgp9yzwjvxayqeatyunxmypya6w8yz9j225</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 = tb1qu68yvkz5rggde8rjeyg59ckhqd899yfw7fngjq</span>
<span class="hljs-comment">// res2: String = tb1qr8uxgp9yzwjvxayqeatyunxmypya6w8yz9j225</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, 0x50095c5d2b9d13c7e350d1365cccadf40aca336a077f30b767249234383c8766)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x29532d30bde823aedc4384be65df768c2530df0cd1c67eb230ace8f9d6a7a152)</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(exotic, enough, blanket, fire, spell, token, minute, boss, curve, toy, clock, trend, protect, boost, pool, useful, cost, robot, since, caught, drum, bundle, budget, suspect) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(citizen, offer, equip, knock, lion, student, illegal, identify, salmon, confirm, tank, blue, fantasy, hurdle, crew, decide, leaf, muscle, clinic, spin, output, fatigue, luxury, eagle) // 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 = zpub6jftahH18ngZyU4cQW2wXNy33mjWKxWTDr8kZ33wcEGbBu819YDfiBVTsVD1pSBavWiEQFi9qJ1pGBoUFbj4fmxemPzGEyUruA3EDWXqoMD</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxhTGucm53SAYfMptWLhTujCeQFxnXdGx7sQNBojtjCwBgjrSiKco87sSMXwx5PNibU4hjxkDbDWty5BBoR8vnEt1cJZ6pND</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 = zpub6sBjFXwwmpqHfS3rjdW9ANeu8CzpfCKkyw457XVvnePUAXdC2ZFNjZA1fjg8RoyaghtZveTdzaabqKYjMSQzyPqbm5LRypv8pytJpLhGBC2</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r4NF8FQCAGewSjippppLMXjPccu1VuFxTLUucQCBs7TzXE2GGLFiG6etDQdoZsWXmGUMKBpgWsFsxcvYTwK9Zv58CRLPA8SE9Xi4XoriZd</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 = tb1qu68yvkz5rggde8rjeyg59ckhqd899yfw7fngjq</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qr8uxgp9yzwjvxayqeatyunxmypya6w8yz9j225</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 = tb1qu68yvkz5rggde8rjeyg59ckhqd899yfw7fngjq</span>
<span class="hljs-comment">// res2: String = tb1qr8uxgp9yzwjvxayqeatyunxmypya6w8yz9j225</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$$anon$3@412a27b1[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@412f40c6[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(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066)</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(b7d77c3499b744cff248661aafbee7200eab367a)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(5280dbcfbed7f03682154468fa5f10f6e83df548)</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(b7d77c3499b744cff248661aafbee7200eab367a))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(5280dbcfbed7f03682154468fa5f10f6e83df548))</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(563502baf156a9373746aea3da03a7cc775cb41e)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(25f1d93437b5e152b946d79b80c3735be3606097)</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(563502baf156a9373746aea3da03a7cc775cb41e)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(25f1d93437b5e152b946d79b80c3735be3606097)))</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(b7d77c3499b744cff248661aafbee7200eab367a))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5280dbcfbed7f03682154468fa5f10f6e83df548))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0)</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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(563502baf156a9373746aea3da03a7cc775cb41e))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(25f1d93437b5e152b946d79b80c3735be3606097))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),10000 sats,ECPublicKey(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),10000 sats,ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066))</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(74dc83e15a2af1b42bde89dd21c39ada1f12f003)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(ebf656f158d8ae5f4e600aad7595bd5e51b97a9c)</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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),10000 sats,ECPublicKey(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b))),1 sats/byte,pkh(74dc83e15a2af1b42bde89dd21c39ada1f12f003))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),10000 sats,ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066))),1 sats/byte,pkh(ebf656f158d8ae5f4e600aad7595bd5e51b97a9c))</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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(563502baf156a9373746aea3da03a7cc775cb41e)), TransactionOutput(4775 sats,pkh(74dc83e15a2af1b42bde89dd21c39ada1f12f003))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(25f1d93437b5e152b946d79b80c3735be3606097)), TransactionOutput(4775 sats,pkh(ebf656f158d8ae5f4e600aad7595bd5e51b97a9c))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),10000 sats,ECPublicKey(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b7d77c3499b744cff248661aafbee7200eab367a))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),10000 sats,ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5280dbcfbed7f03682154468fa5f10f6e83df548))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),10000 sats,ECPublicKey(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b7d77c3499b744cff248661aafbee7200eab367a))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),10000 sats,ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5280dbcfbed7f03682154468fa5f10f6e83df548))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b)), ECDigitalSignature(304402201343151872bec2a5236060296999a85547e8021a41f3366b231e070b3fb681fc02205a52262cc382407a72e8531bad40bd6a634118973c782c9b5a7dc0b6654f12da01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(563502baf156a9373746aea3da03a7cc775cb41e)), TransactionOutput(4775 sats,pkh(74dc83e15a2af1b42bde89dd21c39ada1f12f003))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066)), ECDigitalSignature(3044022100e62628e6e7aa1b25030c3a15cc7d2d3311a3971320f7c12aace1d15ff3331e22021f2ff798d6b895286af3b8082dcf32ad9d6075ef5ef3e30b3b09ebf5825e13a001)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(25f1d93437b5e152b946d79b80c3735be3606097)), TransactionOutput(4775 sats,pkh(ebf656f158d8ae5f4e600aad7595bd5e51b97a9c))),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 = 0200000001aff75d06dce46ccee15ad5460ccfe8ebdf62039f87e0075fa8415c9cd155593a000000006a47304402201343151872bec2a5236060296999a85547e8021a41f3366b231e070b3fb681fc02205a52262cc382407a72e8531bad40bd6a634118973c782c9b5a7dc0b6654f12da01210350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b000000000288130000000000001976a914563502baf156a9373746aea3da03a7cc775cb41e88aca7120000000000001976a91474dc83e15a2af1b42bde89dd21c39ada1f12f00388ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000153cceb124501e1a01130d2715754466e7c28a4775dc144c667005df0b6099fdc000000006a473044022100e62628e6e7aa1b25030c3a15cc7d2d3311a3971320f7c12aace1d15ff3331e22021f2ff798d6b895286af3b8082dcf32ad9d6075ef5ef3e30b3b09ebf5825e13a0012102562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066000000000288130000000000001976a91425f1d93437b5e152b946d79b80c3735be360609788aca7120000000000001976a914ebf656f158d8ae5f4e600aad7595bd5e51b97a9c88ac00000000</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$$anon$3@412a27b1[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@412f40c6[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(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066)</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(b7d77c3499b744cff248661aafbee7200eab367a)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(5280dbcfbed7f03682154468fa5f10f6e83df548)</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(b7d77c3499b744cff248661aafbee7200eab367a))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(5280dbcfbed7f03682154468fa5f10f6e83df548))</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(563502baf156a9373746aea3da03a7cc775cb41e)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(25f1d93437b5e152b946d79b80c3735be3606097)</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(563502baf156a9373746aea3da03a7cc775cb41e)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(25f1d93437b5e152b946d79b80c3735be3606097)))</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(b7d77c3499b744cff248661aafbee7200eab367a))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5280dbcfbed7f03682154468fa5f10f6e83df548))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0)</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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(563502baf156a9373746aea3da03a7cc775cb41e))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(25f1d93437b5e152b946d79b80c3735be3606097))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),10000 sats,ECPublicKey(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),10000 sats,ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066))</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(74dc83e15a2af1b42bde89dd21c39ada1f12f003)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(ebf656f158d8ae5f4e600aad7595bd5e51b97a9c)</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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),10000 sats,ECPublicKey(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b))),1 sats/byte,pkh(74dc83e15a2af1b42bde89dd21c39ada1f12f003))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),10000 sats,ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066))),1 sats/byte,pkh(ebf656f158d8ae5f4e600aad7595bd5e51b97a9c))</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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(563502baf156a9373746aea3da03a7cc775cb41e)), TransactionOutput(4775 sats,pkh(74dc83e15a2af1b42bde89dd21c39ada1f12f003))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(25f1d93437b5e152b946d79b80c3735be3606097)), TransactionOutput(4775 sats,pkh(ebf656f158d8ae5f4e600aad7595bd5e51b97a9c))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),10000 sats,ECPublicKey(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b7d77c3499b744cff248661aafbee7200eab367a))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),10000 sats,ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5280dbcfbed7f03682154468fa5f10f6e83df548))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),10000 sats,ECPublicKey(0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b7d77c3499b744cff248661aafbee7200eab367a))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),10000 sats,ECPublicKey(02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5280dbcfbed7f03682154468fa5f10f6e83df548))),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(3a5955d19c5c41a85f07e0879f0362dfebe8cf0c46d55ae1ce6ce4dc065df7af:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b)), ECDigitalSignature(304402201343151872bec2a5236060296999a85547e8021a41f3366b231e070b3fb681fc02205a52262cc382407a72e8531bad40bd6a634118973c782c9b5a7dc0b6654f12da01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(563502baf156a9373746aea3da03a7cc775cb41e)), TransactionOutput(4775 sats,pkh(74dc83e15a2af1b42bde89dd21c39ada1f12f003))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(dc9f09b6f05d0067c644c15d77a4287c6e46545771d23011a0e1014512ebcc53:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066)), ECDigitalSignature(3044022100e62628e6e7aa1b25030c3a15cc7d2d3311a3971320f7c12aace1d15ff3331e22021f2ff798d6b895286af3b8082dcf32ad9d6075ef5ef3e30b3b09ebf5825e13a001)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(25f1d93437b5e152b946d79b80c3735be3606097)), TransactionOutput(4775 sats,pkh(ebf656f158d8ae5f4e600aad7595bd5e51b97a9c))),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 = 0200000001aff75d06dce46ccee15ad5460ccfe8ebdf62039f87e0075fa8415c9cd155593a000000006a47304402201343151872bec2a5236060296999a85547e8021a41f3366b231e070b3fb681fc02205a52262cc382407a72e8531bad40bd6a634118973c782c9b5a7dc0b6654f12da01210350eac7ffdc5b083571b76cae7b1d6af5899b90d23e2936819035f943ebf0aa4b000000000288130000000000001976a914563502baf156a9373746aea3da03a7cc775cb41e88aca7120000000000001976a91474dc83e15a2af1b42bde89dd21c39ada1f12f00388ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000153cceb124501e1a01130d2715754466e7c28a4775dc144c667005df0b6099fdc000000006a473044022100e62628e6e7aa1b25030c3a15cc7d2d3311a3971320f7c12aace1d15ff3331e22021f2ff798d6b895286af3b8082dcf32ad9d6075ef5ef3e30b3b09ebf5825e13a0012102562ddf8180042d78650b87e2167b083b5414e9cb65d3ae32a1d408916c3f6066000000000288130000000000001976a91425f1d93437b5e152b946d79b80c3735be360609788aca7120000000000001976a914ebf656f158d8ae5f4e600aad7595bd5e51b97a9c88ac00000000</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(3044022050da3b101ef76464903903e0c5542db45546afb2ee730036c8cb283fd4ddc6ba02206ee455fe48ceec92d5fc0df4d3704c800979f2e24bd74deaab5b7db6bc416a53)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100d8d35c68cc89c79bbd1b94fba12261e07054c41661593c198a6eb81df19200e302200c0da4918d037893621fec5d6be9e5b532acc4aa2d59e5d77c3ba1e08a79a7e0)</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(3044022019e7cb1bac8050b328c3a24c14ffe14a92a0026715a3b9ce24583179688ad2130220582b948fed0df39b0570a2d1688c96ad7a62e43f5411a7ca97bd459c8cd80cdd)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100d6d258fb9d39090924c40a98b30c20af58384bc2658cb3268eb32974960e2220022069c2e87f0f2481661905e724a69c81fc9b9951b19a0d5d5eb6f5175598fd5965)</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(3044022050da3b101ef76464903903e0c5542db45546afb2ee730036c8cb283fd4ddc6ba02206ee455fe48ceec92d5fc0df4d3704c800979f2e24bd74deaab5b7db6bc416a53)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100d8d35c68cc89c79bbd1b94fba12261e07054c41661593c198a6eb81df19200e302200c0da4918d037893621fec5d6be9e5b532acc4aa2d59e5d77c3ba1e08a79a7e0)</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(3044022019e7cb1bac8050b328c3a24c14ffe14a92a0026715a3b9ce24583179688ad2130220582b948fed0df39b0570a2d1688c96ad7a62e43f5411a7ca97bd459c8cd80cdd)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100d6d258fb9d39090924c40a98b30c20af58384bc2658cb3268eb32974960e2220022069c2e87f0f2481661905e724a69c81fc9b9951b19a0d5d5eb6f5175598fd5965)</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>1.9.6-7-a8d81a76-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.6-8-963646c1-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>1.9.6-7-a8d81a76-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.6-8-963646c1-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, 0xaf79a3b48b228f0d47570a21c70847bb1e3b5c66797a86eeb319da3aff1645e6)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa27ff7a004383b2148d6a5af83bb713caf5044c1dd72ffcad1918929a3ea6112)</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(quarter, snack, unfold, bind, cigar, mammal, bubble, throw, canyon, debate, ball, involve, together, purchase, okay, consider, manage, intact, shoe, refuse, quiz, menu, bleak, session)</span>
<span class="hljs-comment">// Vector(pen, zero, trend, anchor, lonely, mouse, cash, start, question, build, sword, junk, vital, carbon, alter, purity, zone, final, good, banner, olive, vivid, lounge, feature)</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-example12518161242301797659/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example4493705702612123158/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-example12518161242301797659/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4493705702612123158/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@2c50947c)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@4b7b4384)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZRzgvu2qK7h2JKqJRNeycKnsPbMYj44STGXEtVsYSJbDKwMiqcU2q61cpNz2zESuuWNgo9oJiy2xKT2BjtCNQxQEVZ2kuf9</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYTjWZhibopvDAiW3rtEru7YYsWMRc4ZXVVqiiCNB4NDju6JyaWstQjyVfKpiTep3B4TXmCjJKPw9t22Ppi8t2g7gz4R61Mm</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZRzgvu2qK7h2JKqJRNeycKnsPbMYj44STGXEtVsYSJbDKwMiqcU2q61cpNz2zESuuWNgo9oJiy2xKT2BjtCNQxQEVZ2kuf9</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYTjWZhibopvDAiW3rtEru7YYsWMRc4ZXVVqiiCNB4NDju6JyaWstQjyVfKpiTep3B4TXmCjJKPw9t22Ppi8t2g7gz4R61Mm</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-example12518161242301797659/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4493705702612123158/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@6ddce955</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@31e6df0d</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxcmAGLBL9U52zCR6BrcyGmskXAw6F5Zxffn9u8XnvZDmQmC4qF5iTeUqpHNGpss7SepwfwTMuumMnoot5XUKVrep3r1wpJR</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZweVyu8s6eBJDrb5qdNCrZZdS15vy8653hu6diq2RYcrHyv9Ka9Va3JSifECxJJEEiCundzPMWLfZMNp6AMQq7aNGYP6snFt</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxcmAGLBL9U52zCR6BrcyGmskXAw6F5Zxffn9u8XnvZDmQmC4qF5iTeUqpHNGpss7SepwfwTMuumMnoot5XUKVrep3r1wpJR</span>
<span class="hljs-comment">// zpub6jftahH18ngZweVyu8s6eBJDrb5qdNCrZZdS15vy8653hu6diq2RYcrHyv9Ka9Va3JSifECxJJEEiCundzPMWLfZMNp6AMQq7aNGYP6snFt</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

22
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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, 0xaf79a3b48b228f0d47570a21c70847bb1e3b5c66797a86eeb319da3aff1645e6)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa27ff7a004383b2148d6a5af83bb713caf5044c1dd72ffcad1918929a3ea6112)</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(quarter, snack, unfold, bind, cigar, mammal, bubble, throw, canyon, debate, ball, involve, together, purchase, okay, consider, manage, intact, shoe, refuse, quiz, menu, bleak, session)</span>
<span class="hljs-comment">// Vector(pen, zero, trend, anchor, lonely, mouse, cash, start, question, build, sword, junk, vital, carbon, alter, purity, zone, final, good, banner, olive, vivid, lounge, feature)</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-example12518161242301797659/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example4493705702612123158/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-example12518161242301797659/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4493705702612123158/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@2c50947c)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@4b7b4384)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZRzgvu2qK7h2JKqJRNeycKnsPbMYj44STGXEtVsYSJbDKwMiqcU2q61cpNz2zESuuWNgo9oJiy2xKT2BjtCNQxQEVZ2kuf9</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYTjWZhibopvDAiW3rtEru7YYsWMRc4ZXVVqiiCNB4NDju6JyaWstQjyVfKpiTep3B4TXmCjJKPw9t22Ppi8t2g7gz4R61Mm</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZRzgvu2qK7h2JKqJRNeycKnsPbMYj44STGXEtVsYSJbDKwMiqcU2q61cpNz2zESuuWNgo9oJiy2xKT2BjtCNQxQEVZ2kuf9</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYTjWZhibopvDAiW3rtEru7YYsWMRc4ZXVVqiiCNB4NDju6JyaWstQjyVfKpiTep3B4TXmCjJKPw9t22Ppi8t2g7gz4R61Mm</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-example12518161242301797659/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4493705702612123158/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@6ddce955</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@31e6df0d</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxcmAGLBL9U52zCR6BrcyGmskXAw6F5Zxffn9u8XnvZDmQmC4qF5iTeUqpHNGpss7SepwfwTMuumMnoot5XUKVrep3r1wpJR</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZweVyu8s6eBJDrb5qdNCrZZdS15vy8653hu6diq2RYcrHyv9Ka9Va3JSifECxJJEEiCundzPMWLfZMNp6AMQq7aNGYP6snFt</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxcmAGLBL9U52zCR6BrcyGmskXAw6F5Zxffn9u8XnvZDmQmC4qF5iTeUqpHNGpss7SepwfwTMuumMnoot5XUKVrep3r1wpJR</span>
<span class="hljs-comment">// zpub6jftahH18ngZweVyu8s6eBJDrb5qdNCrZZdS15vy8653hu6diq2RYcrHyv9Ka9Va3JSifECxJJEEiCundzPMWLfZMNp6AMQq7aNGYP6snFt</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

4
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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(03c2084a4a93cdc2ca6d970a0d72df10996a5d8d604d2b84585c664b84b8bdd8ef)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0369d7911aa52d5cca2e95c14266096b608d266cf8e6e06e1f6cfc50893f83a394)</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(3045022100e3e090670ee2937ff317d3977eb9b96c5139112b85b695d082035f883f6bc68202203d42c56e2311ba2b5d1f3b99a01a02b50d3223772146dcbb33379e07c9ca966a)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30440220294ff3d909d07bdd86ecff610ddca926345e4d2673aaf172a4800734d769dcdd0220512b2cb7d56d2eff20925015301cb7bd1257a8c7aafb01561647c7385e5affb4)</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
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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(03c2084a4a93cdc2ca6d970a0d72df10996a5d8d604d2b84585c664b84b8bdd8ef)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0369d7911aa52d5cca2e95c14266096b608d266cf8e6e06e1f6cfc50893f83a394)</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(3045022100e3e090670ee2937ff317d3977eb9b96c5139112b85b695d082035f883f6bc68202203d42c56e2311ba2b5d1f3b99a01a02b50d3223772146dcbb33379e07c9ca966a)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30440220294ff3d909d07bdd86ecff610ddca926345e4d2673aaf172a4800734d769dcdd0220512b2cb7d56d2eff20925015301cb7bd1257a8c7aafb01561647c7385e5affb4)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)