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api/index.js
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docs/next/core/addresses.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0368aa488cbf3cf3fb43b5970eac7d163b9e56d250f532334f85c908091ca0ff86)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03c7ca2c999f569aa906738568aa7c9f4fc07dd7a4935bb2a1a78d607ab0fbf97b)</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 = tb1q9dfs50pn8mx0squ8tauxssawakvlnzl4mteqy9</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qu486apmw68j847majkfsjt980vh8a6q9me0xv8</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q9dfs50pn8mx0squ8tauxssawakvlnzl4mteqy9</span>
<span class="hljs-comment">// tb1qu486apmw68j847majkfsjt980vh8a6q9me0xv8</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 = mjU2q2DUCM61yYRrkiwyZPwA9YzsLCXiVs</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n2RSVNKwox8CFZgkvQ5Fna5q3oFyU8qnH2</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mjU2q2DUCM61yYRrkiwyZPwA9YzsLCXiVs</span>
<span class="hljs-comment">// n2RSVNKwox8CFZgkvQ5Fna5q3oFyU8qnH2</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

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docs/next/core/addresses/index.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0368aa488cbf3cf3fb43b5970eac7d163b9e56d250f532334f85c908091ca0ff86)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03c7ca2c999f569aa906738568aa7c9f4fc07dd7a4935bb2a1a78d607ab0fbf97b)</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 = tb1q9dfs50pn8mx0squ8tauxssawakvlnzl4mteqy9</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qu486apmw68j847majkfsjt980vh8a6q9me0xv8</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q9dfs50pn8mx0squ8tauxssawakvlnzl4mteqy9</span>
<span class="hljs-comment">// tb1qu486apmw68j847majkfsjt980vh8a6q9me0xv8</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 = mjU2q2DUCM61yYRrkiwyZPwA9YzsLCXiVs</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n2RSVNKwox8CFZgkvQ5Fna5q3oFyU8qnH2</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mjU2q2DUCM61yYRrkiwyZPwA9YzsLCXiVs</span>
<span class="hljs-comment">// n2RSVNKwox8CFZgkvQ5Fna5q3oFyU8qnH2</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
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@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x579f8a29efc188fce40b4d37151f42e5333bfd4e0d8a85a10664f094ef80597b)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x46753025f82201892cc5053b3f7050889e8a72a7f63005d2154525bf341707e2)</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(fiscal, wisdom, media, test, blush, lazy, mother, have, damage, pottery, spawn, skill, crisp, wrong, deal, rally, mad, amused, odor, thrive, exclude, scan, grass, grocery) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(edit, praise, annual, utility, cactus, setup, reason, pass, depth, wine, before, bachelor, trim, deer, panther, ship, alarm, mouse, eyebrow, enter, viable, argue, buzz, flavor) // 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 = zpub6jftahH18ngZxScUQ78xsxq4FhbQmhRh9qcPrGo5SBG1cSkz5iSFmQ3MhE26jtWREuqPKK8y94EW3CiEdaLWYwkQoBepUD9dYN3C9ZeN4An</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxWhrrAn9skfFUc2bmxS6wAm5ePbZt2Ews4Y9Ktbmk1nPP44aacnALd7pzYPokrRSVT9pEPXafpPT3QorgfWtfNpCKaRxi7z</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 = zpub6rHdGiZTWmuDXM4iurPngYN9FmusLkUNVguaaWQ1pjRBYxPscDLHcQrCg876uoQj71WS3rJW8oKaNSqM9CjqjZ92JXnWh6AFDaRcnWsW2nn</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qLPogCVtjD1jNHBVQP6zvJ7V1W6eyBQr9SX7xVkGiCFYaAwuCXxsPPYN24PVMjRcr8wheYXd13MMG7bcVArraCpz1e5Gq3GZbvu7TjVQVi</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 = tb1q75prp26tpu0egc5cy5cejsrulj20077p2dctyn</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q6y6pmagxvz87ax3zuzq5dv06v4k444gjdch2ze</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 = tb1q75prp26tpu0egc5cy5cejsrulj20077p2dctyn</span>
<span class="hljs-comment">// res2: String = tb1q6y6pmagxvz87ax3zuzq5dv06v4k444gjdch2ze</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, 0x579f8a29efc188fce40b4d37151f42e5333bfd4e0d8a85a10664f094ef80597b)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x46753025f82201892cc5053b3f7050889e8a72a7f63005d2154525bf341707e2)</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(fiscal, wisdom, media, test, blush, lazy, mother, have, damage, pottery, spawn, skill, crisp, wrong, deal, rally, mad, amused, odor, thrive, exclude, scan, grass, grocery) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(edit, praise, annual, utility, cactus, setup, reason, pass, depth, wine, before, bachelor, trim, deer, panther, ship, alarm, mouse, eyebrow, enter, viable, argue, buzz, flavor) // 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 = zpub6jftahH18ngZxScUQ78xsxq4FhbQmhRh9qcPrGo5SBG1cSkz5iSFmQ3MhE26jtWREuqPKK8y94EW3CiEdaLWYwkQoBepUD9dYN3C9ZeN4An</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxWhrrAn9skfFUc2bmxS6wAm5ePbZt2Ews4Y9Ktbmk1nPP44aacnALd7pzYPokrRSVT9pEPXafpPT3QorgfWtfNpCKaRxi7z</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 = zpub6rHdGiZTWmuDXM4iurPngYN9FmusLkUNVguaaWQ1pjRBYxPscDLHcQrCg876uoQj71WS3rJW8oKaNSqM9CjqjZ92JXnWh6AFDaRcnWsW2nn</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qLPogCVtjD1jNHBVQP6zvJ7V1W6eyBQr9SX7xVkGiCFYaAwuCXxsPPYN24PVMjRcr8wheYXd13MMG7bcVArraCpz1e5Gq3GZbvu7TjVQVi</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 = tb1q75prp26tpu0egc5cy5cejsrulj20077p2dctyn</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q6y6pmagxvz87ax3zuzq5dv06v4k444gjdch2ze</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 = tb1q75prp26tpu0egc5cy5cejsrulj20077p2dctyn</span>
<span class="hljs-comment">// res2: String = tb1q6y6pmagxvz87ax3zuzq5dv06v4k444gjdch2ze</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$$anon$3@72a8217e[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@1f5af55[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(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4)</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(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9)</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(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9))</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(63e5f3b3746e7bf7c2c537de34c0339490d8115c)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475)</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(63e5f3b3746e7bf7c2c537de34c0339490d8115c)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475)))</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(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9))),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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a: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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a: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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(63e5f3b3746e7bf7c2c537de34c0339490d8115c))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475))),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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),10000 sats,ECPublicKey(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),10000 sats,ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4))</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(653ed4a6db09217ba5fe66f3668de988d306124d)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(f55f12f8cf4242d3a01665a450a3e8b75415b02c)</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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),10000 sats,ECPublicKey(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508))),1 sats/byte,pkh(653ed4a6db09217ba5fe66f3668de988d306124d))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),10000 sats,ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4))),1 sats/byte,pkh(f55f12f8cf4242d3a01665a450a3e8b75415b02c))</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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(63e5f3b3746e7bf7c2c537de34c0339490d8115c)), TransactionOutput(4775 sats,pkh(653ed4a6db09217ba5fe66f3668de988d306124d))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475)), TransactionOutput(4775 sats,pkh(f55f12f8cf4242d3a01665a450a3e8b75415b02c))),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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),10000 sats,ECPublicKey(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),10000 sats,ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),10000 sats,ECPublicKey(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),10000 sats,ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508)), ECDigitalSignature(304402201ca422d88b2712b14fff4ab5329fa1976ff39d43a86c7f261d9f3bbd5449b4fe02202cb82424aae98f2d4b7310360fc88d3157e1c683eefcf245c7705d2e50d1972d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(63e5f3b3746e7bf7c2c537de34c0339490d8115c)), TransactionOutput(4775 sats,pkh(653ed4a6db09217ba5fe66f3668de988d306124d))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4)), ECDigitalSignature(3044022012221f3a652573ae63b03f18127c74548f8feb99600b6df5c89206ba5b87161802204e0622b2c7758108932cdbdda47038d8c4ec75f00263fa0d843308bacd5f360601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475)), TransactionOutput(4775 sats,pkh(f55f12f8cf4242d3a01665a450a3e8b75415b02c))),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 = 0200000001654c5fa5a54bf8e35a36174d5ec383177cb12049ff59484f8aef85f770aea353000000006a47304402201ca422d88b2712b14fff4ab5329fa1976ff39d43a86c7f261d9f3bbd5449b4fe02202cb82424aae98f2d4b7310360fc88d3157e1c683eefcf245c7705d2e50d1972d0121027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508000000000288130000000000001976a91463e5f3b3746e7bf7c2c537de34c0339490d8115c88aca7120000000000001976a914653ed4a6db09217ba5fe66f3668de988d306124d88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000011a44ebb055733cf688d98447e031d26a38cc2f1d54bde5490d78b746a6f552e3000000006a473044022012221f3a652573ae63b03f18127c74548f8feb99600b6df5c89206ba5b87161802204e0622b2c7758108932cdbdda47038d8c4ec75f00263fa0d843308bacd5f3606012102b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4000000000288130000000000001976a9145b7ba28c228fe40e72c98194891e23dd6cd9a47588aca7120000000000001976a914f55f12f8cf4242d3a01665a450a3e8b75415b02c88ac00000000</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$$anon$3@72a8217e[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@1f5af55[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(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4)</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(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9)</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(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9))</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(63e5f3b3746e7bf7c2c537de34c0339490d8115c)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475)</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(63e5f3b3746e7bf7c2c537de34c0339490d8115c)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475)))</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(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9))),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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a: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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a: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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(63e5f3b3746e7bf7c2c537de34c0339490d8115c))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475))),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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),10000 sats,ECPublicKey(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),10000 sats,ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4))</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(653ed4a6db09217ba5fe66f3668de988d306124d)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(f55f12f8cf4242d3a01665a450a3e8b75415b02c)</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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),10000 sats,ECPublicKey(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508))),1 sats/byte,pkh(653ed4a6db09217ba5fe66f3668de988d306124d))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),10000 sats,ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4))),1 sats/byte,pkh(f55f12f8cf4242d3a01665a450a3e8b75415b02c))</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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(63e5f3b3746e7bf7c2c537de34c0339490d8115c)), TransactionOutput(4775 sats,pkh(653ed4a6db09217ba5fe66f3668de988d306124d))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475)), TransactionOutput(4775 sats,pkh(f55f12f8cf4242d3a01665a450a3e8b75415b02c))),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(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),10000 sats,ECPublicKey(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),10000 sats,ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),10000 sats,ECPublicKey(027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fe49e8448c8d5e7d5854cc7708bc3ab85d6c28af))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),10000 sats,ECPublicKey(02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b2e0108bb7b9b77f8a3e13f8857273977b127df9))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(53a3ae70f785ef8a4f4859ff4920b17c1783c35e4d17365ae3f84ba5a55f4c65:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508)), ECDigitalSignature(304402201ca422d88b2712b14fff4ab5329fa1976ff39d43a86c7f261d9f3bbd5449b4fe02202cb82424aae98f2d4b7310360fc88d3157e1c683eefcf245c7705d2e50d1972d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(63e5f3b3746e7bf7c2c537de34c0339490d8115c)), TransactionOutput(4775 sats,pkh(653ed4a6db09217ba5fe66f3668de988d306124d))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(e352f5a646b7780d49e5bd541d2fcc386ad231e04784d988f63c7355b0eb441a:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4)), ECDigitalSignature(3044022012221f3a652573ae63b03f18127c74548f8feb99600b6df5c89206ba5b87161802204e0622b2c7758108932cdbdda47038d8c4ec75f00263fa0d843308bacd5f360601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(5b7ba28c228fe40e72c98194891e23dd6cd9a475)), TransactionOutput(4775 sats,pkh(f55f12f8cf4242d3a01665a450a3e8b75415b02c))),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 = 0200000001654c5fa5a54bf8e35a36174d5ec383177cb12049ff59484f8aef85f770aea353000000006a47304402201ca422d88b2712b14fff4ab5329fa1976ff39d43a86c7f261d9f3bbd5449b4fe02202cb82424aae98f2d4b7310360fc88d3157e1c683eefcf245c7705d2e50d1972d0121027d47ad459c2d4bf82be51f0dde261feec720b3777607998e20b8cd60befee508000000000288130000000000001976a91463e5f3b3746e7bf7c2c537de34c0339490d8115c88aca7120000000000001976a914653ed4a6db09217ba5fe66f3668de988d306124d88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000011a44ebb055733cf688d98447e031d26a38cc2f1d54bde5490d78b746a6f552e3000000006a473044022012221f3a652573ae63b03f18127c74548f8feb99600b6df5c89206ba5b87161802204e0622b2c7758108932cdbdda47038d8c4ec75f00263fa0d843308bacd5f3606012102b92f1cda629f964fd6342ca7e300da4e1861a3f65dc8c63c46bcd7298414f3a4000000000288130000000000001976a9145b7ba28c228fe40e72c98194891e23dd6cd9a47588aca7120000000000001976a914f55f12f8cf4242d3a01665a450a3e8b75415b02c88ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/dlc"><span class="arrow-prev">← </span><span>Discreet Log Contract Data Structures</span></a><a class="docs-next button" href="/docs/next/core/lightning-network"><span>Lightning Network Data Types</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

4
docs/next/crypto/sign.html
View file

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30440220327064bc74cd8c9021cdbeebb7f7d61b8c973bde886ee34916d17f74e9f95f8e02200ada19aa98f692287c361c1450d9ce8efb3664fc7a180b6479446f7258bc25db)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100b7530713ed9855186114d1476ea3b77374412e25690ae67621b0044859da71c402203e50ff9dd4071c6c2eff18eacfc21343b9f7284d23aadce841380549941a11cf)</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(3045022100c0d27ad6410a90473a9f1e7f7df3b547f548ef11a7d5a11eba4e8181d1141543022079f9946672bcb49c3c194ab23587bb92c047591ffdd6b69fe2d83b1e2f3310de)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30450221008daf47b338f1e8a5d30fcc1737f7b27e3000121c35f032ba914fdec9f7b5c5d2022042b6445a3a6d2e60a6a6fef73195995b108617a79b090912bf6bce24f647a248)</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(30440220327064bc74cd8c9021cdbeebb7f7d61b8c973bde886ee34916d17f74e9f95f8e02200ada19aa98f692287c361c1450d9ce8efb3664fc7a180b6479446f7258bc25db)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100b7530713ed9855186114d1476ea3b77374412e25690ae67621b0044859da71c402203e50ff9dd4071c6c2eff18eacfc21343b9f7284d23aadce841380549941a11cf)</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(3045022100c0d27ad6410a90473a9f1e7f7df3b547f548ef11a7d5a11eba4e8181d1141543022079f9946672bcb49c3c194ab23587bb92c047591ffdd6b69fe2d83b1e2f3310de)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30450221008daf47b338f1e8a5d30fcc1737f7b27e3000121c35f032ba914fdec9f7b5c5d2022042b6445a3a6d2e60a6a6fef73195995b108617a79b090912bf6bce24f647a248)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

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

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.7.0-132-f5ed2329-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.7.0-133-1f35dbdb-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

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

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.7.0-132-f5ed2329-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.7.0-133-1f35dbdb-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

22
docs/next/key-manager/key-manager.html
View file

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x37b10b32ae3662cd9de35a9e0f690d0dc06a44a5e96d91b16da8e180601250b0)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xe17742c143088be0d0ed2dc8991e064d8e228aa9781917be668a3ec8f4ad497d)</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(dash, marriage, smile, fragile, great, grocery, jealous, hero, own, kitten, drive, breeze, allow, car, nut, color, museum, merge, health, seek, alcohol, ankle, drift, achieve)</span>
<span class="hljs-comment">// Vector(thumb, ring, raccoon, maid, master, vacant, dry, pizza, silk, similar, light, only, timber, earn, planet, add, bless, veteran, penalty, laugh, monster, find, chalk, power)</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-example6292239685013773350/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example1706078618283353400/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-example6292239685013773350/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1706078618283353400/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@4d07f5dd)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@384088fb)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYDdwkon9rJ3azas8wi4r2fUNzPFDFp6L8i919cnfNFXYTeUcZ3EHFEoqijqQu1J6LK1TB4eEh9DywmgfvXgm1hhiuzLdXhq</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYFQhWb7M1Pqedc7fTb7BxneBXT7ANi6RuqRcgfbuWpo43uM2FocoYscFkt1L46R5unZjNM6d5b3potuw7fSoW1JzCX1vpND</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYDdwkon9rJ3azas8wi4r2fUNzPFDFp6L8i919cnfNFXYTeUcZ3EHFEoqijqQu1J6LK1TB4eEh9DywmgfvXgm1hhiuzLdXhq</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYFQhWb7M1Pqedc7fTb7BxneBXT7ANi6RuqRcgfbuWpo43uM2FocoYscFkt1L46R5unZjNM6d5b3potuw7fSoW1JzCX1vpND</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-example6292239685013773350/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1706078618283353400/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@54b1c42e</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@3610ffd9</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwQQR6EvegeRbgTSviC2qh7ZG7xpkmqbrM7PvAFSurWA6YUJxYfqxsoH4ieDejeiHsTTi3rJHt5xPR8UNGAxi6bxJUHPCPGn</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwSBAr2FqqkDfKUhTE55BdEj4f2ghtjbx8EgXhJGA15Rc8jBNFSEVBS5UknPZtjqHSw1zF8kgGXnEHFhdTJikauZZkpPVCVV</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZwQQR6EvegeRbgTSviC2qh7ZG7xpkmqbrM7PvAFSurWA6YUJxYfqxsoH4ieDejeiHsTTi3rJHt5xPR8UNGAxi6bxJUHPCPGn</span>
<span class="hljs-comment">// zpub6jftahH18ngZwSBAr2FqqkDfKUhTE55BdEj4f2ghtjbx8EgXhJGA15Rc8jBNFSEVBS5UknPZtjqHSw1zF8kgGXnEHFhdTJikauZZkpPVCVV</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

22
docs/next/key-manager/key-manager/index.html
View file

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x37b10b32ae3662cd9de35a9e0f690d0dc06a44a5e96d91b16da8e180601250b0)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xe17742c143088be0d0ed2dc8991e064d8e228aa9781917be668a3ec8f4ad497d)</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(dash, marriage, smile, fragile, great, grocery, jealous, hero, own, kitten, drive, breeze, allow, car, nut, color, museum, merge, health, seek, alcohol, ankle, drift, achieve)</span>
<span class="hljs-comment">// Vector(thumb, ring, raccoon, maid, master, vacant, dry, pizza, silk, similar, light, only, timber, earn, planet, add, bless, veteran, penalty, laugh, monster, find, chalk, power)</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-example6292239685013773350/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example1706078618283353400/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-example6292239685013773350/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1706078618283353400/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@4d07f5dd)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@384088fb)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYDdwkon9rJ3azas8wi4r2fUNzPFDFp6L8i919cnfNFXYTeUcZ3EHFEoqijqQu1J6LK1TB4eEh9DywmgfvXgm1hhiuzLdXhq</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYFQhWb7M1Pqedc7fTb7BxneBXT7ANi6RuqRcgfbuWpo43uM2FocoYscFkt1L46R5unZjNM6d5b3potuw7fSoW1JzCX1vpND</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYDdwkon9rJ3azas8wi4r2fUNzPFDFp6L8i919cnfNFXYTeUcZ3EHFEoqijqQu1J6LK1TB4eEh9DywmgfvXgm1hhiuzLdXhq</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYFQhWb7M1Pqedc7fTb7BxneBXT7ANi6RuqRcgfbuWpo43uM2FocoYscFkt1L46R5unZjNM6d5b3potuw7fSoW1JzCX1vpND</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-example6292239685013773350/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1706078618283353400/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@54b1c42e</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@3610ffd9</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwQQR6EvegeRbgTSviC2qh7ZG7xpkmqbrM7PvAFSurWA6YUJxYfqxsoH4ieDejeiHsTTi3rJHt5xPR8UNGAxi6bxJUHPCPGn</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwSBAr2FqqkDfKUhTE55BdEj4f2ghtjbx8EgXhJGA15Rc8jBNFSEVBS5UknPZtjqHSw1zF8kgGXnEHFhdTJikauZZkpPVCVV</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZwQQR6EvegeRbgTSviC2qh7ZG7xpkmqbrM7PvAFSurWA6YUJxYfqxsoH4ieDejeiHsTTi3rJHt5xPR8UNGAxi6bxJUHPCPGn</span>
<span class="hljs-comment">// zpub6jftahH18ngZwSBAr2FqqkDfKUhTE55BdEj4f2ghtjbx8EgXhJGA15Rc8jBNFSEVBS5UknPZtjqHSw1zF8kgGXnEHFhdTJikauZZkpPVCVV</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

4
docs/next/secp256k1/secp256k1.html
View file

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03b520265c9f8437bc821261834edae514bdd11691c35fa6b04196226fb8ec5def)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0274415f46986e913e939a65a57922af2d98652031973eb703e84f6d5a339d2953)</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(3045022100c680192009edbb99dfec309c2e7fe675c2b4749eeb439105a572dd1c690cb65c022078873ba4a4a9f38cc83bfd9bc7cd21ea91501070b852df8502e40b406f6c0f59)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30450221008a7f73f05aaeb29df9fa9d766da1a811705e67bb29b4d11ce2ff54f8df5b065e022048377468e037ff41c395234e7a5f59eee3e0cf0997135a7bac0c4931c6eea842)</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(03b520265c9f8437bc821261834edae514bdd11691c35fa6b04196226fb8ec5def)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0274415f46986e913e939a65a57922af2d98652031973eb703e84f6d5a339d2953)</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(3045022100c680192009edbb99dfec309c2e7fe675c2b4749eeb439105a572dd1c690cb65c022078873ba4a4a9f38cc83bfd9bc7cd21ea91501070b852df8502e40b406f6c0f59)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30450221008a7f73f05aaeb29df9fa9d766da1a811705e67bb29b4d11ce2ff54f8df5b065e022048377468e037ff41c395234e7a5f59eee3e0cf0997135a7bac0c4931c6eea842)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)