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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(03dbf446e73dfea11aaf0bcc00c02d5e1752d0f70b75662e37bfc452010e9e7ece)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(032ccb7a969a2cb4a4895ea54243ba2cbe931a7b9daa77f363c248e7ed5ee92aac)</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 = tb1q07hf8ms559ugm9myrf2tczh5j2e3ymju9w7xaw</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qgvwfyjw527u2w690k9r2rr8e574sd0acrmxh9t</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q07hf8ms559ugm9myrf2tczh5j2e3ymju9w7xaw</span>
<span class="hljs-comment">// tb1qgvwfyjw527u2w690k9r2rr8e574sd0acrmxh9t</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 = msA5FJFcH2psDW7QK1yYdjiSTbNdVpb4hB</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mmdoo5tMJEkVBuJCjSAxyLBnwLyA22Sqcm</span>
println(legacyAddress.toString)
<span class="hljs-comment">// msA5FJFcH2psDW7QK1yYdjiSTbNdVpb4hB</span>
<span class="hljs-comment">// mmdoo5tMJEkVBuJCjSAxyLBnwLyA22Sqcm</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(03dbf446e73dfea11aaf0bcc00c02d5e1752d0f70b75662e37bfc452010e9e7ece)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(032ccb7a969a2cb4a4895ea54243ba2cbe931a7b9daa77f363c248e7ed5ee92aac)</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 = tb1q07hf8ms559ugm9myrf2tczh5j2e3ymju9w7xaw</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qgvwfyjw527u2w690k9r2rr8e574sd0acrmxh9t</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q07hf8ms559ugm9myrf2tczh5j2e3ymju9w7xaw</span>
<span class="hljs-comment">// tb1qgvwfyjw527u2w690k9r2rr8e574sd0acrmxh9t</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 = msA5FJFcH2psDW7QK1yYdjiSTbNdVpb4hB</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mmdoo5tMJEkVBuJCjSAxyLBnwLyA22Sqcm</span>
println(legacyAddress.toString)
<span class="hljs-comment">// msA5FJFcH2psDW7QK1yYdjiSTbNdVpb4hB</span>
<span class="hljs-comment">// mmdoo5tMJEkVBuJCjSAxyLBnwLyA22Sqcm</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, 0xe33237996a4ec9ae4bab1e82ec7add66eb8cb0248ffaf75c4623d311b2451f54)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x4bd2eaf4430bb46edcd9544ec03648ae8122dbf6a8fa608e7eec8a7c8b083d0b)</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(tobacco, museum, town, stand, uncle, strong, concert, glow, load, glow, resemble, soccer, rhythm, fix, mutual, young, warrior, timber, material, plate, brass, card, later, mutual) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(envelope, nuclear, rug, maid, robust, danger, inflict, clever, excite, accuse, mutual, fringe, banana, hospital, survey, butter, gauge, initial, robot, belt, silly, lottery, vintage, gym) // 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 = zpub6jftahH18ngZwiK54pPzk7ta1PjZQJP3BSsUuBPfRvSQiWWXHumCrYfLDjBPd4tbaAGiKiqX4veQXgn4mjUFQwixTjePKTGR5RLLL8h3KtL</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwZTNsTBnifzwHzHLYLQzWsAFwb4KE1LMmh8rrynDaguWy3ARj2obR1GjFETeYBGXM6ySHSxYSM5jLrWhEuGDozPUJukhckG</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 = zpub6qw1QkFKRe3kzT713Mx6QKCW9BjGgjRdgmtQsPWChYnY5X9JGEXDxrpXwpmZxgko5jxYi9AyEnytbg7bY9vigiW19XS7PjQgv8YDTBbS8K1</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rbiKr2MhQvPk5JW6DqXziqvECsdi1u3SJ9QvwGukmAjPTQaw5sSrf6J2ELsrAb3nK6fhfnGhijVWe2y3ceYCWq7933ssE8UW93BrdBDGoS</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 = tb1qrdr2w5j8qjj3n4kpyaxr9t900yfxd2sxaxwer9</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qqmzttwcjz4h0090mx6vj34f632qfrah9m7tm7c</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 = tb1qrdr2w5j8qjj3n4kpyaxr9t900yfxd2sxaxwer9</span>
<span class="hljs-comment">// res2: String = tb1qqmzttwcjz4h0090mx6vj34f632qfrah9m7tm7c</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, 0xe33237996a4ec9ae4bab1e82ec7add66eb8cb0248ffaf75c4623d311b2451f54)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x4bd2eaf4430bb46edcd9544ec03648ae8122dbf6a8fa608e7eec8a7c8b083d0b)</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(tobacco, museum, town, stand, uncle, strong, concert, glow, load, glow, resemble, soccer, rhythm, fix, mutual, young, warrior, timber, material, plate, brass, card, later, mutual) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(envelope, nuclear, rug, maid, robust, danger, inflict, clever, excite, accuse, mutual, fringe, banana, hospital, survey, butter, gauge, initial, robot, belt, silly, lottery, vintage, gym) // 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 = zpub6jftahH18ngZwiK54pPzk7ta1PjZQJP3BSsUuBPfRvSQiWWXHumCrYfLDjBPd4tbaAGiKiqX4veQXgn4mjUFQwixTjePKTGR5RLLL8h3KtL</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwZTNsTBnifzwHzHLYLQzWsAFwb4KE1LMmh8rrynDaguWy3ARj2obR1GjFETeYBGXM6ySHSxYSM5jLrWhEuGDozPUJukhckG</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 = zpub6qw1QkFKRe3kzT713Mx6QKCW9BjGgjRdgmtQsPWChYnY5X9JGEXDxrpXwpmZxgko5jxYi9AyEnytbg7bY9vigiW19XS7PjQgv8YDTBbS8K1</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rbiKr2MhQvPk5JW6DqXziqvECsdi1u3SJ9QvwGukmAjPTQaw5sSrf6J2ELsrAb3nK6fhfnGhijVWe2y3ceYCWq7933ssE8UW93BrdBDGoS</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 = tb1qrdr2w5j8qjj3n4kpyaxr9t900yfxd2sxaxwer9</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qqmzttwcjz4h0090mx6vj34f632qfrah9m7tm7c</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 = tb1qrdr2w5j8qjj3n4kpyaxr9t900yfxd2sxaxwer9</span>
<span class="hljs-comment">// res2: String = tb1qqmzttwcjz4h0090mx6vj34f632qfrah9m7tm7c</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$$anon$3@7e16e00d[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@59d3b5cb[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(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a)</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(ad71623cf63d6c6565c6ee7a360e356e79305ca6)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037)</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(ad71623cf63d6c6565c6ee7a360e356e79305ca6))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037))</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(47633fb9372180d65c910bf06af8e4877b1db6bb)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f)</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(47633fb9372180d65c910bf06af8e4877b1db6bb)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f)))</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(ad71623cf63d6c6565c6ee7a360e356e79305ca6))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0)</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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(47633fb9372180d65c910bf06af8e4877b1db6bb))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),10000 sats,ECPublicKey(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),10000 sats,ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a))</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(e34db964e34d07dab650b0e6660237e4fdf14c83)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(7e15973cca69c26a371121c1a1ffdd980c8c7ea4)</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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),10000 sats,ECPublicKey(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506))),1 sats/byte,pkh(e34db964e34d07dab650b0e6660237e4fdf14c83))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),10000 sats,ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a))),1 sats/byte,pkh(7e15973cca69c26a371121c1a1ffdd980c8c7ea4))</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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(47633fb9372180d65c910bf06af8e4877b1db6bb)), TransactionOutput(4775 sats,pkh(e34db964e34d07dab650b0e6660237e4fdf14c83))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f)), TransactionOutput(4775 sats,pkh(7e15973cca69c26a371121c1a1ffdd980c8c7ea4))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),10000 sats,ECPublicKey(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ad71623cf63d6c6565c6ee7a360e356e79305ca6))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),10000 sats,ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),10000 sats,ECPublicKey(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ad71623cf63d6c6565c6ee7a360e356e79305ca6))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),10000 sats,ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506)), ECDigitalSignature(304402204cc11e47f1e5a2e1a3001684e13bdb4c61d12a38214f0f6071e5bb4166ea71f3022003ce11dfbcf530f8e958930bf638bae3ca5d666e6207fe0c263f4956d9c32bee01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(47633fb9372180d65c910bf06af8e4877b1db6bb)), TransactionOutput(4775 sats,pkh(e34db964e34d07dab650b0e6660237e4fdf14c83))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a)), ECDigitalSignature(3044022018fdab02e6fe1676bbbb5d1712402e1e5d8256970db7d1060a58106c54822b91022073d43dda2a586aa41c4b8dbbb8ac8234eb3fcd866106de7f466f9d5c9af5484101)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f)), TransactionOutput(4775 sats,pkh(7e15973cca69c26a371121c1a1ffdd980c8c7ea4))),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 = 0200000001f2f51feb0737c4d66e37d3120b42f235351e0df6d5d1e0e83f028a506d25873d000000006a47304402204cc11e47f1e5a2e1a3001684e13bdb4c61d12a38214f0f6071e5bb4166ea71f3022003ce11dfbcf530f8e958930bf638bae3ca5d666e6207fe0c263f4956d9c32bee012102abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506000000000288130000000000001976a91447633fb9372180d65c910bf06af8e4877b1db6bb88aca7120000000000001976a914e34db964e34d07dab650b0e6660237e4fdf14c8388ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000012221f889c89e90fe4607206c12b8c96add433bc3564c4afbd3b8b4e607b3769a000000006a473044022018fdab02e6fe1676bbbb5d1712402e1e5d8256970db7d1060a58106c54822b91022073d43dda2a586aa41c4b8dbbb8ac8234eb3fcd866106de7f466f9d5c9af54841012102dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a000000000288130000000000001976a9141ec15655fe8d97c6555d48d9a8b7b0db053ce04f88aca7120000000000001976a9147e15973cca69c26a371121c1a1ffdd980c8c7ea488ac00000000</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$$anon$3@7e16e00d[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@59d3b5cb[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(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a)</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(ad71623cf63d6c6565c6ee7a360e356e79305ca6)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037)</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(ad71623cf63d6c6565c6ee7a360e356e79305ca6))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037))</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(47633fb9372180d65c910bf06af8e4877b1db6bb)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f)</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(47633fb9372180d65c910bf06af8e4877b1db6bb)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f)))</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(ad71623cf63d6c6565c6ee7a360e356e79305ca6))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0)</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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(47633fb9372180d65c910bf06af8e4877b1db6bb))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),10000 sats,ECPublicKey(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),10000 sats,ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a))</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(e34db964e34d07dab650b0e6660237e4fdf14c83)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(7e15973cca69c26a371121c1a1ffdd980c8c7ea4)</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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),10000 sats,ECPublicKey(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506))),1 sats/byte,pkh(e34db964e34d07dab650b0e6660237e4fdf14c83))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),10000 sats,ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a))),1 sats/byte,pkh(7e15973cca69c26a371121c1a1ffdd980c8c7ea4))</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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(47633fb9372180d65c910bf06af8e4877b1db6bb)), TransactionOutput(4775 sats,pkh(e34db964e34d07dab650b0e6660237e4fdf14c83))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f)), TransactionOutput(4775 sats,pkh(7e15973cca69c26a371121c1a1ffdd980c8c7ea4))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),10000 sats,ECPublicKey(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ad71623cf63d6c6565c6ee7a360e356e79305ca6))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),10000 sats,ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),10000 sats,ECPublicKey(02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ad71623cf63d6c6565c6ee7a360e356e79305ca6))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),10000 sats,ECPublicKey(02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(e4d3f2cf6b143fff36cf55b3edf3ecefdf26f037))),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(3d87256d508a023fe8e0d1d5f60d1e3535f2420b12d3376ed6c43707eb1ff5f2:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506)), ECDigitalSignature(304402204cc11e47f1e5a2e1a3001684e13bdb4c61d12a38214f0f6071e5bb4166ea71f3022003ce11dfbcf530f8e958930bf638bae3ca5d666e6207fe0c263f4956d9c32bee01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(47633fb9372180d65c910bf06af8e4877b1db6bb)), TransactionOutput(4775 sats,pkh(e34db964e34d07dab650b0e6660237e4fdf14c83))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(9a76b307e6b4b8d3fb4a4c56c33b43dd6ac9b8126c200746fe909ec889f82122:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a)), ECDigitalSignature(3044022018fdab02e6fe1676bbbb5d1712402e1e5d8256970db7d1060a58106c54822b91022073d43dda2a586aa41c4b8dbbb8ac8234eb3fcd866106de7f466f9d5c9af5484101)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1ec15655fe8d97c6555d48d9a8b7b0db053ce04f)), TransactionOutput(4775 sats,pkh(7e15973cca69c26a371121c1a1ffdd980c8c7ea4))),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 = 0200000001f2f51feb0737c4d66e37d3120b42f235351e0df6d5d1e0e83f028a506d25873d000000006a47304402204cc11e47f1e5a2e1a3001684e13bdb4c61d12a38214f0f6071e5bb4166ea71f3022003ce11dfbcf530f8e958930bf638bae3ca5d666e6207fe0c263f4956d9c32bee012102abc9b6379000c84ebb20daf6e47e6d03157b93ce0343a584be605676e8f6e506000000000288130000000000001976a91447633fb9372180d65c910bf06af8e4877b1db6bb88aca7120000000000001976a914e34db964e34d07dab650b0e6660237e4fdf14c8388ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000012221f889c89e90fe4607206c12b8c96add433bc3564c4afbd3b8b4e607b3769a000000006a473044022018fdab02e6fe1676bbbb5d1712402e1e5d8256970db7d1060a58106c54822b91022073d43dda2a586aa41c4b8dbbb8ac8234eb3fcd866106de7f466f9d5c9af54841012102dd11515d4d22b1a9cdbc2d95fd47a73fede1c93dfc99519a2401df6f68fe360a000000000288130000000000001976a9141ec15655fe8d97c6555d48d9a8b7b0db053ce04f88aca7120000000000001976a9147e15973cca69c26a371121c1a1ffdd980c8c7ea488ac00000000</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(3044022062a605472ff57a8eedc1e4c0667a710e53c86e069e7fc32a0187a7ca0d024e24022032161fc26a7f59198667113b90f86ece773087ed2e3e171cbe1532bbbd9ca883)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3044022027e7d6f070265df97f01e38f3bddb291b3ce2a0ccf6d9e4458fa34f66821383d022061d610d612ec1f63fc7f15624ffe61f49a697f526a487b4f68db48645e1199d6)</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(30440220622b8b089ba4e4a44d1d797df0599cd34bee789d16cd03bc9e41d4bf49a46eb902202afef2bf80abfe2b6911e50629ee84959ce2a5a3275b468d649648328702acd5)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100cbfd281e25e5c08cbfe216336009cf7e857bf55860e56a7980946fb7c7731bce022034b148f9f7ec9c5bac3be44d20496f27a5afd51f8de3d385255158859571af00)</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(3044022062a605472ff57a8eedc1e4c0667a710e53c86e069e7fc32a0187a7ca0d024e24022032161fc26a7f59198667113b90f86ece773087ed2e3e171cbe1532bbbd9ca883)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3044022027e7d6f070265df97f01e38f3bddb291b3ce2a0ccf6d9e4458fa34f66821383d022061d610d612ec1f63fc7f15624ffe61f49a697f526a487b4f68db48645e1199d6)</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(30440220622b8b089ba4e4a44d1d797df0599cd34bee789d16cd03bc9e41d4bf49a46eb902202afef2bf80abfe2b6911e50629ee84959ce2a5a3275b468d649648328702acd5)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100cbfd281e25e5c08cbfe216336009cf7e857bf55860e56a7980946fb7c7731bce022034b148f9f7ec9c5bac3be44d20496f27a5afd51f8de3d385255158859571af00)</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>1.9.2-184-288918d7-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.2-185-4e4e4aa9-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>1.9.2-184-288918d7-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.2-185-4e4e4aa9-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
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@ -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, 0x10ac1b22dd320a448833f5e880a5d5953c3500b63db91773870aaf223c18ca1c)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x731fbea8a8be06041d4de96861c30695365bdc495f41692dc9e4472308f93c09)</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(awful, general, silly, risk, camera, car, camp, leaf, trigger, ahead, install, clerk, select, leopard, suggest, rescue, blast, order, section, furnace, cat, arrest, chronic, organ)</span>
<span class="hljs-comment">// Vector(indoor, worth, pretty, fabric, there, acoustic, inside, rule, half, asthma, script, clerk, grant, until, century, trial, hard, hour, jungle, mixture, correct, lady, usual, car)</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-example2160648050929060719/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example8668133288882830240/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-example2160648050929060719/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8668133288882830240/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@6e947e75)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@7a5ce035)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZEAgNLesSVBysAhw32XpU8Djkm9ecb8Q1dK6yeSpLGNYn5wU8KMtdH4qt743qi5iBofP7V6wnfDDG4eMCYYDybJDTXmNi2c</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYsoTBHfgcyrkwViV3iNcQ5ADqAjpMetKV1gbregXYoayLB2ip6BdCJxf2USUgnnFisrZFtcWYoSsYzf66khsUAd1q31YubB</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZEAgNLesSVBysAhw32XpU8Djkm9ecb8Q1dK6yeSpLGNYn5wU8KMtdH4qt743qi5iBofP7V6wnfDDG4eMCYYDybJDTXmNi2c</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYsoTBHfgcyrkwViV3iNcQ5ADqAjpMetKV1gbregXYoayLB2ip6BdCJxf2USUgnnFisrZFtcWYoSsYzf66khsUAd1q31YubB</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-example2160648050929060719/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8668133288882830240/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@7a68b5ea</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@42e5ac2b</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxQw9hmoNGqZzZ3HioWVp8aJctLjC8cdvE2a1zH74pX16rump7wyaFqY4t1SHgMVuix7dzGkzybwcjRS3YBpB4VYo1uARgYa</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx4ZvWipBTLEmdNJGpCLc4XF6xkKMsgPqhQwWsHLn34DXQzs4oioJpsRt2NpiXSCTG2Jp8gGZjkBH2MSnSPypZ4sbPQnqvG8</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxQw9hmoNGqZzZ3HioWVp8aJctLjC8cdvE2a1zH74pX16rump7wyaFqY4t1SHgMVuix7dzGkzybwcjRS3YBpB4VYo1uARgYa</span>
<span class="hljs-comment">// zpub6jftahH18ngZx4ZvWipBTLEmdNJGpCLc4XF6xkKMsgPqhQwWsHLn34DXQzs4oioJpsRt2NpiXSCTG2Jp8gGZjkBH2MSnSPypZ4sbPQnqvG8</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, 0x10ac1b22dd320a448833f5e880a5d5953c3500b63db91773870aaf223c18ca1c)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x731fbea8a8be06041d4de96861c30695365bdc495f41692dc9e4472308f93c09)</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(awful, general, silly, risk, camera, car, camp, leaf, trigger, ahead, install, clerk, select, leopard, suggest, rescue, blast, order, section, furnace, cat, arrest, chronic, organ)</span>
<span class="hljs-comment">// Vector(indoor, worth, pretty, fabric, there, acoustic, inside, rule, half, asthma, script, clerk, grant, until, century, trial, hard, hour, jungle, mixture, correct, lady, usual, car)</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-example2160648050929060719/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example8668133288882830240/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-example2160648050929060719/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8668133288882830240/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@6e947e75)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@7a5ce035)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZEAgNLesSVBysAhw32XpU8Djkm9ecb8Q1dK6yeSpLGNYn5wU8KMtdH4qt743qi5iBofP7V6wnfDDG4eMCYYDybJDTXmNi2c</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYsoTBHfgcyrkwViV3iNcQ5ADqAjpMetKV1gbregXYoayLB2ip6BdCJxf2USUgnnFisrZFtcWYoSsYzf66khsUAd1q31YubB</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZEAgNLesSVBysAhw32XpU8Djkm9ecb8Q1dK6yeSpLGNYn5wU8KMtdH4qt743qi5iBofP7V6wnfDDG4eMCYYDybJDTXmNi2c</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYsoTBHfgcyrkwViV3iNcQ5ADqAjpMetKV1gbregXYoayLB2ip6BdCJxf2USUgnnFisrZFtcWYoSsYzf66khsUAd1q31YubB</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-example2160648050929060719/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8668133288882830240/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@7a68b5ea</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@42e5ac2b</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxQw9hmoNGqZzZ3HioWVp8aJctLjC8cdvE2a1zH74pX16rump7wyaFqY4t1SHgMVuix7dzGkzybwcjRS3YBpB4VYo1uARgYa</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx4ZvWipBTLEmdNJGpCLc4XF6xkKMsgPqhQwWsHLn34DXQzs4oioJpsRt2NpiXSCTG2Jp8gGZjkBH2MSnSPypZ4sbPQnqvG8</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxQw9hmoNGqZzZ3HioWVp8aJctLjC8cdvE2a1zH74pX16rump7wyaFqY4t1SHgMVuix7dzGkzybwcjRS3YBpB4VYo1uARgYa</span>
<span class="hljs-comment">// zpub6jftahH18ngZx4ZvWipBTLEmdNJGpCLc4XF6xkKMsgPqhQwWsHLn34DXQzs4oioJpsRt2NpiXSCTG2Jp8gGZjkBH2MSnSPypZ4sbPQnqvG8</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(030869625cf8ebf93f3d3c992d70b5fe05fa015c15a5c55e976bdf49eaff724bee)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(031ebb37b62cb73b17f96d03070edccabf7391709905755bb4f5f1d2c6897e9cd1)</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(304502210096c34005b8f44ea4d8904bcba1642076245d06a92c96eb976243cd2b1063647302207deffad178e949238c266743f770ac988ad679a5a6140b87410593773b18256e)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100d5bcf20f559847a20d0098d95ff950c0a0e56e72dc886c236eb0867b3df4dde7022057d1999c0cc82ed51b82ac29b29402a9c17a2c80a8e7c564cb0e65f5a56f3f93)</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(030869625cf8ebf93f3d3c992d70b5fe05fa015c15a5c55e976bdf49eaff724bee)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(031ebb37b62cb73b17f96d03070edccabf7391709905755bb4f5f1d2c6897e9cd1)</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(304502210096c34005b8f44ea4d8904bcba1642076245d06a92c96eb976243cd2b1063647302207deffad178e949238c266743f770ac988ad679a5a6140b87410593773b18256e)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100d5bcf20f559847a20d0098d95ff950c0a0e56e72dc886c236eb0867b3df4dde7022057d1999c0cc82ed51b82ac29b29402a9c17a2c80a8e7c564cb0e65f5a56f3f93)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)