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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(02a44e8cefb32b37cb29acc9c217550b90fa42a2b7db78299567e9b5916a3a3da2)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(028baf67a8bb9c6780a554c0c55dd5635e0a3a5ca70aae932b913cf1b57d9c8df7)</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 = tb1q7zx7gf89qsm7e6rjx020wsxdua40ua4ad8fcdf</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qa6cjcc5njtu3hu0rvxaga0matafa8xkzkzavd7</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q7zx7gf89qsm7e6rjx020wsxdua40ua4ad8fcdf</span>
<span class="hljs-comment">// tb1qa6cjcc5njtu3hu0rvxaga0matafa8xkzkzavd7</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 = n3StSsB8fg4M7PP3rffaep8XqAayTfbSYQ</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n3H3Mw12EQJdKYFKWZipdUNFjr3VVc1s6K</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n3StSsB8fg4M7PP3rffaep8XqAayTfbSYQ</span>
<span class="hljs-comment">// n3H3Mw12EQJdKYFKWZipdUNFjr3VVc1s6K</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(02a44e8cefb32b37cb29acc9c217550b90fa42a2b7db78299567e9b5916a3a3da2)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(028baf67a8bb9c6780a554c0c55dd5635e0a3a5ca70aae932b913cf1b57d9c8df7)</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 = tb1q7zx7gf89qsm7e6rjx020wsxdua40ua4ad8fcdf</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qa6cjcc5njtu3hu0rvxaga0matafa8xkzkzavd7</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q7zx7gf89qsm7e6rjx020wsxdua40ua4ad8fcdf</span>
<span class="hljs-comment">// tb1qa6cjcc5njtu3hu0rvxaga0matafa8xkzkzavd7</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 = n3StSsB8fg4M7PP3rffaep8XqAayTfbSYQ</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n3H3Mw12EQJdKYFKWZipdUNFjr3VVc1s6K</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n3StSsB8fg4M7PP3rffaep8XqAayTfbSYQ</span>
<span class="hljs-comment">// n3H3Mw12EQJdKYFKWZipdUNFjr3VVc1s6K</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, 0x6ba98d9b84b03b8a39ff89b76978b222e22085b5eea482e194fabe56b56ea258)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x47ac940a96af4387f0613395677d29ccc16ab95af7db7dbbfbbcffb590658799)</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(hill, erase, group, annual, admit, shallow, tree, van, resist, envelope, clutch, easy, capital, drift, stumble, stand, load, arrow, dirt, lake, hero, resemble, maximum, august) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(element, gorilla, actor, coil, vintage, sentence, screen, chapter, nice, desk, engine, office, birth, frequent, hint, window, laundry, thank, upset, youth, flip, crazy, bunker, cinnamon) // 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 = zpub6jftahH18ngZy1dByU9g4fELL72aivBLHy3oqQ388d3pzHftq6EWAS76f7rKCJ8dr7qAJ3WXn8NhD6jL2L2VFrWMzCL7uzK57J7i8LpP3bv</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwUwBaHpZiKykV7FE7dDQBPcA3HZneGnuKyf9P9NCUjnW6Ye1jASLh1TkQJPRVpzzVXu93VFW65LsymCyGzkPwuEo1RXUnjA</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 = zpub6qh5Y3BnDWbS4hxGcv5jUjLAs6Eq9cpE5YLkch8TCiNWWtoP44H7yPD3F6PhABJPgJhmLAApf5XPvWQV72q9rysn8q8ECz7chkH3qXnB6Y3</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rHA8U6kmKdNSh86T4hNj3AWz6vS9Ssa1hJa6hUarKLqNpDw3HSNKi5UgDyBpPMDgRLJcv62SFftZYFPY9Zv886HtjsMdRUWXcBtx9S86oN</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 = tb1q5hkumsqp54sttfj03pn3jvvr8w8vtmu4kxc8uw</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qhkf80qjxzl3sp5wtu3rhdnjhsv62uqc85nms2l</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 = tb1q5hkumsqp54sttfj03pn3jvvr8w8vtmu4kxc8uw</span>
<span class="hljs-comment">// res2: String = tb1qhkf80qjxzl3sp5wtu3rhdnjhsv62uqc85nms2l</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, 0x6ba98d9b84b03b8a39ff89b76978b222e22085b5eea482e194fabe56b56ea258)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x47ac940a96af4387f0613395677d29ccc16ab95af7db7dbbfbbcffb590658799)</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(hill, erase, group, annual, admit, shallow, tree, van, resist, envelope, clutch, easy, capital, drift, stumble, stand, load, arrow, dirt, lake, hero, resemble, maximum, august) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(element, gorilla, actor, coil, vintage, sentence, screen, chapter, nice, desk, engine, office, birth, frequent, hint, window, laundry, thank, upset, youth, flip, crazy, bunker, cinnamon) // 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 = zpub6jftahH18ngZy1dByU9g4fELL72aivBLHy3oqQ388d3pzHftq6EWAS76f7rKCJ8dr7qAJ3WXn8NhD6jL2L2VFrWMzCL7uzK57J7i8LpP3bv</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwUwBaHpZiKykV7FE7dDQBPcA3HZneGnuKyf9P9NCUjnW6Ye1jASLh1TkQJPRVpzzVXu93VFW65LsymCyGzkPwuEo1RXUnjA</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 = zpub6qh5Y3BnDWbS4hxGcv5jUjLAs6Eq9cpE5YLkch8TCiNWWtoP44H7yPD3F6PhABJPgJhmLAApf5XPvWQV72q9rysn8q8ECz7chkH3qXnB6Y3</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rHA8U6kmKdNSh86T4hNj3AWz6vS9Ssa1hJa6hUarKLqNpDw3HSNKi5UgDyBpPMDgRLJcv62SFftZYFPY9Zv886HtjsMdRUWXcBtx9S86oN</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 = tb1q5hkumsqp54sttfj03pn3jvvr8w8vtmu4kxc8uw</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qhkf80qjxzl3sp5wtu3rhdnjhsv62uqc85nms2l</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 = tb1q5hkumsqp54sttfj03pn3jvvr8w8vtmu4kxc8uw</span>
<span class="hljs-comment">// res2: String = tb1qhkf80qjxzl3sp5wtu3rhdnjhsv62uqc85nms2l</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$$anon$3@55dc6925[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 2870, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@77ae29ef[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 2870, 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(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332)</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(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f)</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(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f))</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(c3f68342c5565f174f9c4a66080cea68216da241)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08)</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(c3f68342c5565f174f9c4a66080cea68216da241)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08)))</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(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0)</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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c3f68342c5565f174f9c4a66080cea68216da241))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),10000 sats,ECPublicKey(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),10000 sats,ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332))</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(9140a32356a7ac9dbd9f01cb4049a1e27b053560)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(debecca6d83e107bd587ad9cc25768a25893bd31)</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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),10000 sats,ECPublicKey(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017))),1 sats/byte,pkh(9140a32356a7ac9dbd9f01cb4049a1e27b053560))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),10000 sats,ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332))),1 sats/byte,pkh(debecca6d83e107bd587ad9cc25768a25893bd31))</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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c3f68342c5565f174f9c4a66080cea68216da241)), TransactionOutput(4775 sats,pkh(9140a32356a7ac9dbd9f01cb4049a1e27b053560))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08)), TransactionOutput(4775 sats,pkh(debecca6d83e107bd587ad9cc25768a25893bd31))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),10000 sats,ECPublicKey(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),10000 sats,ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),10000 sats,ECPublicKey(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),10000 sats,ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017)), ECDigitalSignature(30440220196978ad137a0f894ec6f007b33a614ee7e813f132b72d293a75714479fa2c900220136ce211d762706fc31d54d82a439d74ef228a9598d4de324fa244cbc1fb89a201)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c3f68342c5565f174f9c4a66080cea68216da241)), TransactionOutput(4775 sats,pkh(9140a32356a7ac9dbd9f01cb4049a1e27b053560))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332)), ECDigitalSignature(304402203714be6a8196187270fa9a7183351c4d2d0e41e827b491a1bfb2296262af8261022052cf8d28d1e91af9810872323b7c12e7ebd16714a4b08229008bd98a73ef63aa01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08)), TransactionOutput(4775 sats,pkh(debecca6d83e107bd587ad9cc25768a25893bd31))),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 = 02000000019dd8b8eec80fbfb9509597d26819147e6f91d7ad117a731aa9134be5849e0204000000006a4730440220196978ad137a0f894ec6f007b33a614ee7e813f132b72d293a75714479fa2c900220136ce211d762706fc31d54d82a439d74ef228a9598d4de324fa244cbc1fb89a2012103305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017000000000288130000000000001976a914c3f68342c5565f174f9c4a66080cea68216da24188aca7120000000000001976a9149140a32356a7ac9dbd9f01cb4049a1e27b05356088ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000015815ea0519dff0858a6c76ad4ca308616470136895405efdde064912438bda6c000000006a47304402203714be6a8196187270fa9a7183351c4d2d0e41e827b491a1bfb2296262af8261022052cf8d28d1e91af9810872323b7c12e7ebd16714a4b08229008bd98a73ef63aa01210288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332000000000288130000000000001976a9147fd3ece55201417dc8a6304dd1ad59f71cce1b0888aca7120000000000001976a914debecca6d83e107bd587ad9cc25768a25893bd3188ac00000000</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$$anon$3@55dc6925[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 2870, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@77ae29ef[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 2870, 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(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332)</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(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f)</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(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f))</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(c3f68342c5565f174f9c4a66080cea68216da241)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08)</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(c3f68342c5565f174f9c4a66080cea68216da241)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08)))</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(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0)</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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c3f68342c5565f174f9c4a66080cea68216da241))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),10000 sats,ECPublicKey(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),10000 sats,ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332))</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(9140a32356a7ac9dbd9f01cb4049a1e27b053560)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(debecca6d83e107bd587ad9cc25768a25893bd31)</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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),10000 sats,ECPublicKey(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017))),1 sats/byte,pkh(9140a32356a7ac9dbd9f01cb4049a1e27b053560))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),10000 sats,ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332))),1 sats/byte,pkh(debecca6d83e107bd587ad9cc25768a25893bd31))</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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c3f68342c5565f174f9c4a66080cea68216da241)), TransactionOutput(4775 sats,pkh(9140a32356a7ac9dbd9f01cb4049a1e27b053560))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08)), TransactionOutput(4775 sats,pkh(debecca6d83e107bd587ad9cc25768a25893bd31))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),10000 sats,ECPublicKey(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),10000 sats,ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),10000 sats,ECPublicKey(03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(9ef1a260ed161ccc9a315e9c8e243c7322af6ce9))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),10000 sats,ECPublicKey(0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ce05f95b770ae04bc9519e88c0809d01488d87f))),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(04029e84e54b13a91a737a11add7916f7e141968d2979550b9bf0fc8eeb8d89d:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017)), ECDigitalSignature(30440220196978ad137a0f894ec6f007b33a614ee7e813f132b72d293a75714479fa2c900220136ce211d762706fc31d54d82a439d74ef228a9598d4de324fa244cbc1fb89a201)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c3f68342c5565f174f9c4a66080cea68216da241)), TransactionOutput(4775 sats,pkh(9140a32356a7ac9dbd9f01cb4049a1e27b053560))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(6cda8b43124906defd5e4095681370646108a34cad766c8a85f0df1905ea1558:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332)), ECDigitalSignature(304402203714be6a8196187270fa9a7183351c4d2d0e41e827b491a1bfb2296262af8261022052cf8d28d1e91af9810872323b7c12e7ebd16714a4b08229008bd98a73ef63aa01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7fd3ece55201417dc8a6304dd1ad59f71cce1b08)), TransactionOutput(4775 sats,pkh(debecca6d83e107bd587ad9cc25768a25893bd31))),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 = 02000000019dd8b8eec80fbfb9509597d26819147e6f91d7ad117a731aa9134be5849e0204000000006a4730440220196978ad137a0f894ec6f007b33a614ee7e813f132b72d293a75714479fa2c900220136ce211d762706fc31d54d82a439d74ef228a9598d4de324fa244cbc1fb89a2012103305b0415b7a3657b9e2d8e92e11ec220ebded0f88617c96dc5e2348490d0c017000000000288130000000000001976a914c3f68342c5565f174f9c4a66080cea68216da24188aca7120000000000001976a9149140a32356a7ac9dbd9f01cb4049a1e27b05356088ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000015815ea0519dff0858a6c76ad4ca308616470136895405efdde064912438bda6c000000006a47304402203714be6a8196187270fa9a7183351c4d2d0e41e827b491a1bfb2296262af8261022052cf8d28d1e91af9810872323b7c12e7ebd16714a4b08229008bd98a73ef63aa01210288e10ecc0ccf3a804ee09315163ea6704f922482dbc7f4581367557519912332000000000288130000000000001976a9147fd3ece55201417dc8a6304dd1ad59f71cce1b0888aca7120000000000001976a914debecca6d83e107bd587ad9cc25768a25893bd3188ac00000000</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(3045022100a28e7dfa7318bd4c28e662f3de1fe4651fbf68976ab32c4b7806c0c7da7f2bf502201c7d895ec04e519924594172a607a62accd242c554fcdbc78209c6b83df8c9f8)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402200b28175cd9fd7a21e44e6f846261d285916a1da46d4f4fa4db7b1dcbdbda7617022007974750aa5aab0ae4cf6d47d357b77e535d9522c8d69095c0f4d0d33af5819d)</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(3045022100a9a21e1a9a17406170bcefe795007a1b32b87a03f74665813366122c7d15897302201eb9a62c9f4d3c4bc67beec4eca99d4470a67977e238da4c22ca4d32f4168b46)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402200541b0e6162310dde488972884e9444986637b332437c43442238bcc346a26cb0220011be2e322f5ce5e98faab5ee1260caed068342b21e42f081d7e875cedee7c9e)</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(3045022100a28e7dfa7318bd4c28e662f3de1fe4651fbf68976ab32c4b7806c0c7da7f2bf502201c7d895ec04e519924594172a607a62accd242c554fcdbc78209c6b83df8c9f8)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402200b28175cd9fd7a21e44e6f846261d285916a1da46d4f4fa4db7b1dcbdbda7617022007974750aa5aab0ae4cf6d47d357b77e535d9522c8d69095c0f4d0d33af5819d)</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(3045022100a9a21e1a9a17406170bcefe795007a1b32b87a03f74665813366122c7d15897302201eb9a62c9f4d3c4bc67beec4eca99d4470a67977e238da4c22ca4d32f4168b46)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402200541b0e6162310dde488972884e9444986637b332437c43442238bcc346a26cb0220011be2e322f5ce5e98faab5ee1260caed068342b21e42f081d7e875cedee7c9e)</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

@ -123,7 +123,7 @@ 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>0.6.0-17-526d8d34-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.6.0-18-d223829a-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

@ -123,7 +123,7 @@ 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>0.6.0-17-526d8d34-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.6.0-18-d223829a-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, 0xe3ff578ccdaba9d95da4c29a90e74928c7afd0900006e6593921d203f6a0d1c1)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x1a9c3e1d0011da0d7ba079542fd8608d16e6e029b992fc5a53e0ebcdab4353a9)</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(token, wide, tobacco, opera, ritual, uncover, isolate, obscure, once, mango, spoil, face, kit, tribe, divorce, absorb, town, six, embody, piano, disorder, expire, either, disease)</span>
<span class="hljs-comment">// Vector(box, tiger, mansion, ability, buffalo, allow, update, august, feature, learn, blouse, boss, hover, hybrid, plunge, crane, wisdom, spoon, wealth, stuff, survey, payment, exchange, crane)</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-example15361455940366259032/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example17990653654499985870/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-example15361455940366259032/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example17990653654499985870/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@6002a52a)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@6275e345)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ3YUPg7hYG8cPZyo9SUCdKGgp9cigcuixUuCdnqv6A4M7u528KFHgS9mbRGuxSjU8xyWT3p1B4vJSeCqNYpjdtYqJKk1yok</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4Wea7AdjLcXUn7SnVKHAYX6t3oNJqK3n8boGz2vhYixdjbc9rhjfReZRcL4Br3C5RYQoYKj4sK5YUrQa9rSASKkMePKG5Lc9Fd</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ3YUPg7hYG8cPZyo9SUCdKGgp9cigcuixUuCdnqv6A4M7u528KFHgS9mbRGuxSjU8xyWT3p1B4vJSeCqNYpjdtYqJKk1yok</span>
<span class="hljs-comment">// vpub5SLqN2bLY4Wea7AdjLcXUn7SnVKHAYX6t3oNJqK3n8boGz2vhYixdjbc9rhjfReZRcL4Br3C5RYQoYKj4sK5YUrQa9rSASKkMePKG5Lc9Fd</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-example15361455940366259032/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example17990653654499985870/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@8ea55bc</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@300d8078</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxEJwj7GCNcWd5SZauvSCHmMZwjCGCeRFAtA7eRWAaQguCiuN7wryJzczbKf9o69fg7RmKqU4N1ehuzzXiC6ginoQrZqBqai</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyHw74mm2K8VTUMu4w2V6YVtFSQtbJA7KVPHqiBPD7zEAEgY5f4GF4AoHBkRRv4xcLgmywey8jRap3We8W5bhSYdtpHDXzB1</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxEJwj7GCNcWd5SZauvSCHmMZwjCGCeRFAtA7eRWAaQguCiuN7wryJzczbKf9o69fg7RmKqU4N1ehuzzXiC6ginoQrZqBqai</span>
<span class="hljs-comment">// zpub6jftahH18ngZyHw74mm2K8VTUMu4w2V6YVtFSQtbJA7KVPHqiBPD7zEAEgY5f4GF4AoHBkRRv4xcLgmywey8jRap3We8W5bhSYdtpHDXzB1</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, 0xe3ff578ccdaba9d95da4c29a90e74928c7afd0900006e6593921d203f6a0d1c1)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x1a9c3e1d0011da0d7ba079542fd8608d16e6e029b992fc5a53e0ebcdab4353a9)</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(token, wide, tobacco, opera, ritual, uncover, isolate, obscure, once, mango, spoil, face, kit, tribe, divorce, absorb, town, six, embody, piano, disorder, expire, either, disease)</span>
<span class="hljs-comment">// Vector(box, tiger, mansion, ability, buffalo, allow, update, august, feature, learn, blouse, boss, hover, hybrid, plunge, crane, wisdom, spoon, wealth, stuff, survey, payment, exchange, crane)</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-example15361455940366259032/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example17990653654499985870/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-example15361455940366259032/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example17990653654499985870/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@6002a52a)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@6275e345)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ3YUPg7hYG8cPZyo9SUCdKGgp9cigcuixUuCdnqv6A4M7u528KFHgS9mbRGuxSjU8xyWT3p1B4vJSeCqNYpjdtYqJKk1yok</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4Wea7AdjLcXUn7SnVKHAYX6t3oNJqK3n8boGz2vhYixdjbc9rhjfReZRcL4Br3C5RYQoYKj4sK5YUrQa9rSASKkMePKG5Lc9Fd</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ3YUPg7hYG8cPZyo9SUCdKGgp9cigcuixUuCdnqv6A4M7u528KFHgS9mbRGuxSjU8xyWT3p1B4vJSeCqNYpjdtYqJKk1yok</span>
<span class="hljs-comment">// vpub5SLqN2bLY4Wea7AdjLcXUn7SnVKHAYX6t3oNJqK3n8boGz2vhYixdjbc9rhjfReZRcL4Br3C5RYQoYKj4sK5YUrQa9rSASKkMePKG5Lc9Fd</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-example15361455940366259032/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example17990653654499985870/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@8ea55bc</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@300d8078</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxEJwj7GCNcWd5SZauvSCHmMZwjCGCeRFAtA7eRWAaQguCiuN7wryJzczbKf9o69fg7RmKqU4N1ehuzzXiC6ginoQrZqBqai</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyHw74mm2K8VTUMu4w2V6YVtFSQtbJA7KVPHqiBPD7zEAEgY5f4GF4AoHBkRRv4xcLgmywey8jRap3We8W5bhSYdtpHDXzB1</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxEJwj7GCNcWd5SZauvSCHmMZwjCGCeRFAtA7eRWAaQguCiuN7wryJzczbKf9o69fg7RmKqU4N1ehuzzXiC6ginoQrZqBqai</span>
<span class="hljs-comment">// zpub6jftahH18ngZyHw74mm2K8VTUMu4w2V6YVtFSQtbJA7KVPHqiBPD7zEAEgY5f4GF4AoHBkRRv4xcLgmywey8jRap3We8W5bhSYdtpHDXzB1</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(03de05133bbc32efafa1ea4a8a92c0cda324f4a05f12a47902580895725d0475c4)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(031e485f8b6e9659c592f498aedbf487895459c09e362a46a9f23a0d334df91793)</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(304402205b528c51ef5aa69193db039a3a358b65ee7fdc910a28129eb417c97d2818f1a902206537e37e6c8219f746efd586d05f9278ec84f1b4f199744bc8635d5206d914b4)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100ed2b8251fb4ded082950fddfbc246b555fa3f6809ccb7ae7c9b42022c2252c660220251a6ff630a9332d0f58db2823cbd33a731d0b91d9fe1b1bd7763bfe27406da4)</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(03de05133bbc32efafa1ea4a8a92c0cda324f4a05f12a47902580895725d0475c4)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(031e485f8b6e9659c592f498aedbf487895459c09e362a46a9f23a0d334df91793)</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(304402205b528c51ef5aa69193db039a3a358b65ee7fdc910a28129eb417c97d2818f1a902206537e37e6c8219f746efd586d05f9278ec84f1b4f199744bc8635d5206d914b4)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100ed2b8251fb4ded082950fddfbc246b555fa3f6809ccb7ae7c9b42022c2252c660220251a6ff630a9332d0f58db2823cbd33a731d0b91d9fe1b1bd7763bfe27406da4)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)