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10
docs/next/core/addresses.html
View file

@ -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(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03190e8f6bb09429d6a691427cc9466efbf294f72baf350735a6dc02b72f832e8a)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03f5478680687b9c98b0399f92a4eb467cfee7909b87405fb051b00ac2ae9c0714)</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 = tb1qa8tvc606ggttcelkpxf5w6j9px2gdmmfsmjgzd</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qyx42ggxlkfar6cauhths7v586qrlu8etuqf3yy</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qa8tvc606ggttcelkpxf5w6j9px2gdmmfsmjgzd</span>
<span class="hljs-comment">// tb1qyx42ggxlkfar6cauhths7v586qrlu8etuqf3yy</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&#x27;re reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don&#x27;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 = n2qP4DDLw41D1CndM9w3u5qvF4ErSYtRGU</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = miay1jk55aM4REm8sMnoqXCCcWaPeHdE8w</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n2qP4DDLw41D1CndM9w3u5qvF4ErSYtRGU</span>
<span class="hljs-comment">// miay1jk55aM4REm8sMnoqXCCcWaPeHdE8w</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) {

10
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(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03190e8f6bb09429d6a691427cc9466efbf294f72baf350735a6dc02b72f832e8a)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03f5478680687b9c98b0399f92a4eb467cfee7909b87405fb051b00ac2ae9c0714)</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 = tb1qa8tvc606ggttcelkpxf5w6j9px2gdmmfsmjgzd</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qyx42ggxlkfar6cauhths7v586qrlu8etuqf3yy</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qa8tvc606ggttcelkpxf5w6j9px2gdmmfsmjgzd</span>
<span class="hljs-comment">// tb1qyx42ggxlkfar6cauhths7v586qrlu8etuqf3yy</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&#x27;re reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don&#x27;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 = n2qP4DDLw41D1CndM9w3u5qvF4ErSYtRGU</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = miay1jk55aM4REm8sMnoqXCCcWaPeHdE8w</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n2qP4DDLw41D1CndM9w3u5qvF4ErSYtRGU</span>
<span class="hljs-comment">// miay1jk55aM4REm8sMnoqXCCcWaPeHdE8w</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) {

12
docs/next/core/hd-keys.html
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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, 0x56714eee4805368776a18e898b60b9a4004e24dc6add640ea877b37aeca83e06)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xc7539b1bda6ee0b9b853e7cf7e53affcfe38018d988090238767c37fa7c66ffd)</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(filter, media, romance, mosquito, fat, dry, surround, crack, maze, force, common, elite, agent, bar, immune, forum, goat, inspire, bulb, group, put, favorite, way, slogan) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(shrug, orphan, shoulder, regular, unlock, fresh, throw, language, sorry, verb, typical, wheat, toe, absorb, cushion, avoid, mother, bring, supreme, manage, whip, tobacco, say, record) // 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 = zpub6jftahH18ngZwmxwR32RLR1bV1v3kiqLWS5vGhP6xpKyz3r84TQ1qVrCJBVG8BPkwEBeA2Jh4J7nbxcmtFPnxp6qsNuBtKfavFyjL9cvj1v</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwEaLmVrekcCtuRVHTSrZ1B12wSo9vaWJARJSPRrHz7RDjB93KKJPanTph7yowmQTmtBwQEq8yHqbvLVhTTjrvcNv9nL2iob</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 = zpub6r3CuvvMpMMJELkbh9yx88ZQfSxXNayXWXqmwqJMkGMeNwbmL3KHaZJffgAambqB1rkLgyP179UfBtz6P1oe9xs4kinaUE5xWuD5Z28dhmZ</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r96EVMpbqkAFCCv9oZS2FXBzWe7yEYfwCxKKkszgFu3v3VKE4N6nMfupCoN7a4LyG5D1Fv8YgvEgjcwwzPPCFcerU4f6riC2NRWdsbKSL8</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 = tb1qj0m7nlwxydcur2tszg80q4pyqpan2v5h82xz96</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qcguzd0h2mcewrzaplle3ralljzmw9xky8acrjs</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 = tb1qj0m7nlwxydcur2tszg80q4pyqpan2v5h82xz96</span>
<span class="hljs-comment">// res2: String = tb1qcguzd0h2mcewrzaplle3ralljzmw9xky8acrjs</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>

12
docs/next/core/hd-keys/index.html
View file

@ -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, 0x56714eee4805368776a18e898b60b9a4004e24dc6add640ea877b37aeca83e06)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xc7539b1bda6ee0b9b853e7cf7e53affcfe38018d988090238767c37fa7c66ffd)</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(filter, media, romance, mosquito, fat, dry, surround, crack, maze, force, common, elite, agent, bar, immune, forum, goat, inspire, bulb, group, put, favorite, way, slogan) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(shrug, orphan, shoulder, regular, unlock, fresh, throw, language, sorry, verb, typical, wheat, toe, absorb, cushion, avoid, mother, bring, supreme, manage, whip, tobacco, say, record) // 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 = zpub6jftahH18ngZwmxwR32RLR1bV1v3kiqLWS5vGhP6xpKyz3r84TQ1qVrCJBVG8BPkwEBeA2Jh4J7nbxcmtFPnxp6qsNuBtKfavFyjL9cvj1v</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwEaLmVrekcCtuRVHTSrZ1B12wSo9vaWJARJSPRrHz7RDjB93KKJPanTph7yowmQTmtBwQEq8yHqbvLVhTTjrvcNv9nL2iob</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 = zpub6r3CuvvMpMMJELkbh9yx88ZQfSxXNayXWXqmwqJMkGMeNwbmL3KHaZJffgAambqB1rkLgyP179UfBtz6P1oe9xs4kinaUE5xWuD5Z28dhmZ</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r96EVMpbqkAFCCv9oZS2FXBzWe7yEYfwCxKKkszgFu3v3VKE4N6nMfupCoN7a4LyG5D1Fv8YgvEgjcwwzPPCFcerU4f6riC2NRWdsbKSL8</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 = tb1qj0m7nlwxydcur2tszg80q4pyqpan2v5h82xz96</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qcguzd0h2mcewrzaplle3ralljzmw9xky8acrjs</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 = tb1qj0m7nlwxydcur2tszg80q4pyqpan2v5h82xz96</span>
<span class="hljs-comment">// res2: String = tb1qcguzd0h2mcewrzaplle3ralljzmw9xky8acrjs</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>

36
docs/next/core/txbuilder.html
View file

@ -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$$anon$3@2813be0b[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 45, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@3c9a5b39[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 39, 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(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc)</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(39eb92e1b43f3be340c1d68475113b1c2cffcf9f)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb)</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(39eb92e1b43f3be340c1d68475113b1c2cffcf9f))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb))</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(12d17ecb6a9b946d7db40f20d46ca7f1b4294350)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc)</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(12d17ecb6a9b946d7db40f20d46ca7f1b4294350)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc)))</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(39eb92e1b43f3be340c1d68475113b1c2cffcf9f))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly &quot;link&quot; 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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e: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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e: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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(12d17ecb6a9b946d7db40f20d46ca7f1b4294350))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc))),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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),10000 sats,ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),10000 sats,ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc))</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(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc96)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(07ea3bc562c55852287318d132c8488d9a3e5c3a)</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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),10000 sats,ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a))),1 sats/byte,pkh(f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc96))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),10000 sats,ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc))),1 sats/byte,pkh(07ea3bc562c55852287318d132c8488d9a3e5c3a))</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> unsignedTxF: <span class="hljs-type">Future</span>[<span class="hljs-type">Transaction</span>] = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(12d17ecb6a9b946d7db40f20d46ca7f1b4294350)), TransactionOutput(4775 sats,pkh(f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc96))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc)), TransactionOutput(4775 sats,pkh(07ea3bc562c55852287318d132c8488d9a3e5c3a))),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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),10000 sats,ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(39eb92e1b43f3be340c1d68475113b1c2cffcf9f))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),10000 sats,ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),10000 sats,ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(39eb92e1b43f3be340c1d68475113b1c2cffcf9f))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),10000 sats,ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),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 &#x27;sign&#x27; method is going produce a validly signed transaction</span>
@ -201,7 +201,7 @@ builder += input
}
<span class="hljs-type">Await</span>.result(signedTxF, <span class="hljs-number">30.</span>seconds)
}
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),P2PKHScriptSignature(ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a), ECDigitalSignature(3044022001d07bc62808536252a6f2bfb6f34982ac88fa13b317967d153a765760d3067402207113141521e8d9bb620796aa547e1e43b5780dcb201626d76ef050618d48b3d301)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(12d17ecb6a9b946d7db40f20d46ca7f1b4294350)), TransactionOutput(4775 sats,pkh(f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc96))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),P2PKHScriptSignature(ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc), ECDigitalSignature(3044022033c205022735187b16b0acb24a2f2a05db3a073733f7c75c467cf6b97fe5462702203739bd9666d6810e2fd112c8f0e90d38a7472fc9ab499003a1ea66d80c1b2f5d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc)), TransactionOutput(4775 sats,pkh(07ea3bc562c55852287318d132c8488d9a3e5c3a))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -211,7 +211,7 @@ 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 = 0200000001593a2dfa9411057793cd61f1eff9688e166cb5fad68c474f7fc5a8857abb3a60000000006a473044022001d07bc62808536252a6f2bfb6f34982ac88fa13b317967d153a765760d3067402207113141521e8d9bb620796aa547e1e43b5780dcb201626d76ef050618d48b3d3012103d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a000000000288130000000000001976a91412d17ecb6a9b946d7db40f20d46ca7f1b429435088aca7120000000000001976a914f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc9688ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000019e006ee22245f608da291bf5cc8b9f1c910d3925b7e3201af521d54fa62ca989000000006a473044022033c205022735187b16b0acb24a2f2a05db3a073733f7c75c467cf6b97fe5462702203739bd9666d6810e2fd112c8f0e90d38a7472fc9ab499003a1ea66d80c1b2f5d01210363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc000000000288130000000000001976a9144b0a0917ae42b965602892ee89e6fb337500d4fc88aca7120000000000001976a91407ea3bc562c55852287318d132c8488d9a3e5c3a88ac00000000</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$$anon$3@2813be0b[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 45, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@3c9a5b39[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 39, 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(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc)</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(39eb92e1b43f3be340c1d68475113b1c2cffcf9f)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb)</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(39eb92e1b43f3be340c1d68475113b1c2cffcf9f))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb))</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(12d17ecb6a9b946d7db40f20d46ca7f1b4294350)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc)</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(12d17ecb6a9b946d7db40f20d46ca7f1b4294350)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc)))</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(39eb92e1b43f3be340c1d68475113b1c2cffcf9f))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly &quot;link&quot; 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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e: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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e: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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(12d17ecb6a9b946d7db40f20d46ca7f1b4294350))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc))),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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),10000 sats,ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),10000 sats,ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc))</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(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc96)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(07ea3bc562c55852287318d132c8488d9a3e5c3a)</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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),10000 sats,ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a))),1 sats/byte,pkh(f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc96))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),10000 sats,ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc))),1 sats/byte,pkh(07ea3bc562c55852287318d132c8488d9a3e5c3a))</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> unsignedTxF: <span class="hljs-type">Future</span>[<span class="hljs-type">Transaction</span>] = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(12d17ecb6a9b946d7db40f20d46ca7f1b4294350)), TransactionOutput(4775 sats,pkh(f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc96))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc)), TransactionOutput(4775 sats,pkh(07ea3bc562c55852287318d132c8488d9a3e5c3a))),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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),10000 sats,ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(39eb92e1b43f3be340c1d68475113b1c2cffcf9f))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),10000 sats,ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),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(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),10000 sats,ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(39eb92e1b43f3be340c1d68475113b1c2cffcf9f))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),10000 sats,ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8b303facc2ae5decddb92aa8c5d62fbc3ada74cb))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),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 &#x27;sign&#x27; method is going produce a validly signed transaction</span>
@ -201,7 +201,7 @@ builder += input
}
<span class="hljs-type">Await</span>.result(signedTxF, <span class="hljs-number">30.</span>seconds)
}
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(603abb7a85a8c57f4f478cd6fab56c168e68f9eff161cd9377051194fa2d3a59:0),P2PKHScriptSignature(ECPublicKey(03d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a), ECDigitalSignature(3044022001d07bc62808536252a6f2bfb6f34982ac88fa13b317967d153a765760d3067402207113141521e8d9bb620796aa547e1e43b5780dcb201626d76ef050618d48b3d301)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(12d17ecb6a9b946d7db40f20d46ca7f1b4294350)), TransactionOutput(4775 sats,pkh(f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc96))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(89a92ca64fd521f51a20e3b725390d911c9f8bccf51b29da08f64522e26e009e:0),P2PKHScriptSignature(ECPublicKey(0363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc), ECDigitalSignature(3044022033c205022735187b16b0acb24a2f2a05db3a073733f7c75c467cf6b97fe5462702203739bd9666d6810e2fd112c8f0e90d38a7472fc9ab499003a1ea66d80c1b2f5d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4b0a0917ae42b965602892ee89e6fb337500d4fc)), TransactionOutput(4775 sats,pkh(07ea3bc562c55852287318d132c8488d9a3e5c3a))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -211,7 +211,7 @@ 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 = 0200000001593a2dfa9411057793cd61f1eff9688e166cb5fad68c474f7fc5a8857abb3a60000000006a473044022001d07bc62808536252a6f2bfb6f34982ac88fa13b317967d153a765760d3067402207113141521e8d9bb620796aa547e1e43b5780dcb201626d76ef050618d48b3d3012103d086847e250cff3bfae11a962f49271522694240bf7511e08b214f183e5d020a000000000288130000000000001976a91412d17ecb6a9b946d7db40f20d46ca7f1b429435088aca7120000000000001976a914f5e4892b0f5a5fc614d5dd8ad5d6f220d12fbc9688ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000019e006ee22245f608da291bf5cc8b9f1c910d3925b7e3201af521d54fa62ca989000000006a473044022033c205022735187b16b0acb24a2f2a05db3a073733f7c75c467cf6b97fe5462702203739bd9666d6810e2fd112c8f0e90d38a7472fc9ab499003a1ea66d80c1b2f5d01210363de13f89b32b0fe1b3d36e1e88511d889111e54ab6c0241ab53bb306308cacc000000000288130000000000001976a9144b0a0917ae42b965602892ee89e6fb337500d4fc88aca7120000000000001976a91407ea3bc562c55852287318d132c8488d9a3e5c3a88ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/psbts"><span class="arrow-prev">← </span><span>Partially Signed Bitcoin Transactions</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(3045022100af0be966550a13651cc46a563f0aa54c526ae2fd04ab9271ca134803d1a741e502203c6f51a0752f8b6a2c02dec3331fcdc81fa1843b7d7ee932aae0e7295b3dd8f8)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100b8cde5ee2d573ad04fd53a2d91325abe96163622b0a9bf534c87b88cb2466c600220499c3c2ce83bcc393f75bec9d344bbf632fc9c08d5673aae8e5a5644e263b1ed)</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(30440220395ae999fd41bbb1d2e5ff2ca86ca952db4526678001000aaf326e6104d6b6af0220166b5a399d8a97ac7afacc64a404e8e9eba4d082ee954be92416272c8e7ef266)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3044022077dd4a039711756fe6679fa8079f2703ea046b68e2492a9480ded3c8735f932902205fb9dd2b1b637435a2ff765ea3ef3c536594ac31b294b73605cdf3d4b8eedeb9)</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(3045022100af0be966550a13651cc46a563f0aa54c526ae2fd04ab9271ca134803d1a741e502203c6f51a0752f8b6a2c02dec3331fcdc81fa1843b7d7ee932aae0e7295b3dd8f8)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100b8cde5ee2d573ad04fd53a2d91325abe96163622b0a9bf534c87b88cb2466c600220499c3c2ce83bcc393f75bec9d344bbf632fc9c08d5673aae8e5a5644e263b1ed)</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(30440220395ae999fd41bbb1d2e5ff2ca86ca952db4526678001000aaf326e6104d6b6af0220166b5a399d8a97ac7afacc64a404e8e9eba4d082ee954be92416272c8e7ef266)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3044022077dd4a039711756fe6679fa8079f2703ea046b68e2492a9480ded3c8735f932902205fb9dd2b1b637435a2ff765ea3ef3c536594ac31b294b73605cdf3d4b8eedeb9)</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

@ -120,7 +120,7 @@ libraryDependencies += <span class="hljs-string">&quot;org.bitcoin-s&quot;</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>0.4.0+220-fb43748d-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+221-166440b3-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">&quot;snapshots&quot;</span>)

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

@ -120,7 +120,7 @@ libraryDependencies += <span class="hljs-string">&quot;org.bitcoin-s&quot;</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>0.4.0+220-fb43748d-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+221-166440b3-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">&quot;snapshots&quot;</span>)

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, 0x94805767adc63032e3e7489f0df44c6bf078e73047236f4c552dfe2db8f3419c)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xe619738aedc2e2e61f95496ec593ae87a9f494a58f2f60ca5ec32cf51f743c88)</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(nest, actor, supreme, fortune, glide, bonus, moon, trouble, pair, hurry, basic, subject, always, inform, scissors, tongue, hungry, glance, enter, wisdom, swear, keen, all, lonely)</span>
<span class="hljs-comment">// Vector(toward, slide, tired, swear, comfort, indoor, layer, powder, human, clutch, two, aunt, palm, engage, normal, tourist, general, fancy, radio, fly, faint, ring, vendor, behind)</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 &#x27;key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called &quot;encrypted-bitcoin-s-seed.json&quot;</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">&quot;key-manager-example&quot;</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-example1603342985473945790/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example3420473629329051958/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let&#x27;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-example1603342985473945790/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3420473629329051958/encrypted-bitcoin-s-seed.json,m/84&#x27;,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">&quot;password&quot;</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@501ba6d9)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@97e25cd)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaVcoEDv6JFg83d6yj5tKiPpnc2uQrYRdauGzfqs2j4krj5Bxe13C8pabLpgMcgvbNFUMqnX4dLDvKV9USLiatFnM9MXLaec</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZXEKaUPcy2XW2mn1EE7rnsM8D7qc92TxM54EA3dfW5WeCu3CUn1311SMDPjMWcWW6YFHr4nqgT4BEK2y1QBui4NVMvGakjX</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeaVcoEDv6JFg83d6yj5tKiPpnc2uQrYRdauGzfqs2j4krj5Bxe13C8pabLpgMcgvbNFUMqnX4dLDvKV9USLiatFnM9MXLaec</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZXEKaUPcy2XW2mn1EE7rnsM8D7qc92TxM54EA3dfW5WeCu3CUn1311SMDPjMWcWW6YFHr4nqgT4BEK2y1QBui4NVMvGakjX</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&#x27;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-example1603342985473945790/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3420473629329051958/encrypted-bitcoin-s-seed.json,m/84&#x27;,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@125db66e</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6ac65966</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZygPGZf4b8c48jVgmVZrKNqufjcUxNZw9oJXugUXHDKPQou2JddesmP3pLj4bTLLnuPvciaB7pGxKnqwAmyzXyA2vhkBYe4B</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxhznuuY7oNuWieMnzi5rTKS1LhR9f3yUZUK9AgHuzL9CHisYUQcidZuaDJ7bMFvhdghYirStsPnahfpfM3Trnxd4vJ34t9Y</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZygPGZf4b8c48jVgmVZrKNqufjcUxNZw9oJXugUXHDKPQou2JddesmP3pLj4bTLLnuPvciaB7pGxKnqwAmyzXyA2vhkBYe4B</span>
<span class="hljs-comment">// zpub6jftahH18ngZxhznuuY7oNuWieMnzi5rTKS1LhR9f3yUZUK9AgHuzL9CHisYUQcidZuaDJ7bMFvhdghYirStsPnahfpfM3Trnxd4vJ34t9Y</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, 0x94805767adc63032e3e7489f0df44c6bf078e73047236f4c552dfe2db8f3419c)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xe619738aedc2e2e61f95496ec593ae87a9f494a58f2f60ca5ec32cf51f743c88)</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(nest, actor, supreme, fortune, glide, bonus, moon, trouble, pair, hurry, basic, subject, always, inform, scissors, tongue, hungry, glance, enter, wisdom, swear, keen, all, lonely)</span>
<span class="hljs-comment">// Vector(toward, slide, tired, swear, comfort, indoor, layer, powder, human, clutch, two, aunt, palm, engage, normal, tourist, general, fancy, radio, fly, faint, ring, vendor, behind)</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 &#x27;key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called &quot;encrypted-bitcoin-s-seed.json&quot;</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">&quot;key-manager-example&quot;</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-example1603342985473945790/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example3420473629329051958/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let&#x27;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-example1603342985473945790/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3420473629329051958/encrypted-bitcoin-s-seed.json,m/84&#x27;,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">&quot;password&quot;</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@501ba6d9)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@97e25cd)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaVcoEDv6JFg83d6yj5tKiPpnc2uQrYRdauGzfqs2j4krj5Bxe13C8pabLpgMcgvbNFUMqnX4dLDvKV9USLiatFnM9MXLaec</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZXEKaUPcy2XW2mn1EE7rnsM8D7qc92TxM54EA3dfW5WeCu3CUn1311SMDPjMWcWW6YFHr4nqgT4BEK2y1QBui4NVMvGakjX</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeaVcoEDv6JFg83d6yj5tKiPpnc2uQrYRdauGzfqs2j4krj5Bxe13C8pabLpgMcgvbNFUMqnX4dLDvKV9USLiatFnM9MXLaec</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZXEKaUPcy2XW2mn1EE7rnsM8D7qc92TxM54EA3dfW5WeCu3CUn1311SMDPjMWcWW6YFHr4nqgT4BEK2y1QBui4NVMvGakjX</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&#x27;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-example1603342985473945790/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3420473629329051958/encrypted-bitcoin-s-seed.json,m/84&#x27;,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@125db66e</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6ac65966</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZygPGZf4b8c48jVgmVZrKNqufjcUxNZw9oJXugUXHDKPQou2JddesmP3pLj4bTLLnuPvciaB7pGxKnqwAmyzXyA2vhkBYe4B</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxhznuuY7oNuWieMnzi5rTKS1LhR9f3yUZUK9AgHuzL9CHisYUQcidZuaDJ7bMFvhdghYirStsPnahfpfM3Trnxd4vJ34t9Y</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZygPGZf4b8c48jVgmVZrKNqufjcUxNZw9oJXugUXHDKPQou2JddesmP3pLj4bTLLnuPvciaB7pGxKnqwAmyzXyA2vhkBYe4B</span>
<span class="hljs-comment">// zpub6jftahH18ngZxhznuuY7oNuWieMnzi5rTKS1LhR9f3yUZUK9AgHuzL9CHisYUQcidZuaDJ7bMFvhdghYirStsPnahfpfM3Trnxd4vJ34t9Y</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

@ -114,12 +114,12 @@ println(<span class="hljs-string">s&quot;Verified with NativeSecp256k1 again=<sp
<pre><code class="hljs css language-scala"><span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKeyWithBouncyCastle
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03aa81a1b16baadcfb4f622c0ef7f88a527a64a93a3075e25d6a9e0bbd83177c26)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03ee170bb620ade77c1b9e7f06da1a71c4539fdc0f11a44ca5481db8b7c490ad26)</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-keyword">val</span> signature = privKey.signWithBouncyCastle(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402206733cef3b40082f326183eba4376d540ca1efafdd08dd4c1c6476bc14398565b022059fc999ccdde9cfd3fe2c4bae907f763072dddc19efb459a4e5d15406adac733)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402203f373bed5d100a294af247a4aef589cb20ae5776ecaa5059d9f0772a81fd919002201b4ad2c6ebad6d553535bf0f79e9d976fd3604641499dc1bc6281b3f4e771279)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>

4
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View file

@ -114,12 +114,12 @@ println(<span class="hljs-string">s&quot;Verified with NativeSecp256k1 again=<sp
<pre><code class="hljs css language-scala"><span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKeyWithBouncyCastle
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03aa81a1b16baadcfb4f622c0ef7f88a527a64a93a3075e25d6a9e0bbd83177c26)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03ee170bb620ade77c1b9e7f06da1a71c4539fdc0f11a44ca5481db8b7c490ad26)</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-keyword">val</span> signature = privKey.signWithBouncyCastle(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402206733cef3b40082f326183eba4376d540ca1efafdd08dd4c1c6476bc14398565b022059fc999ccdde9cfd3fe2c4bae907f763072dddc19efb459a4e5d15406adac733)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402203f373bed5d100a294af247a4aef589cb20ae5776ecaa5059d9f0772a81fd919002201b4ad2c6ebad6d553535bf0f79e9d976fd3604641499dc1bc6281b3f4e771279)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>