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10
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(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(029c7c44af15fa5a6d30c5d424b0c465770c22e5bf74cbc32b023aa9c4a99bb2cd)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(025829713af3da3fec01262c6271bcc794e3cf0513b8e86683e8c6e7c4c10fb53d)</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 = tb1q4vh9fkqesqtwyfcg75t8hpgmv8aswz2avr0fkg</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qxahyy004uulu24zuq05fk2rmjwj4wge8452ukh</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q4vh9fkqesqtwyfcg75t8hpgmv8aswz2avr0fkg</span>
<span class="hljs-comment">// tb1qxahyy004uulu24zuq05fk2rmjwj4wge8452ukh</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 = mw85M29rAaosx2hshS2t8H8trvyH6yphnu</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mka3YWy8HDtyXVHNuQZAKb9p9KfJMsmjWA</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mw85M29rAaosx2hshS2t8H8trvyH6yphnu</span>
<span class="hljs-comment">// mka3YWy8HDtyXVHNuQZAKb9p9KfJMsmjWA</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 © 2020 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(029c7c44af15fa5a6d30c5d424b0c465770c22e5bf74cbc32b023aa9c4a99bb2cd)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(025829713af3da3fec01262c6271bcc794e3cf0513b8e86683e8c6e7c4c10fb53d)</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 = tb1q4vh9fkqesqtwyfcg75t8hpgmv8aswz2avr0fkg</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qxahyy004uulu24zuq05fk2rmjwj4wge8452ukh</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q4vh9fkqesqtwyfcg75t8hpgmv8aswz2avr0fkg</span>
<span class="hljs-comment">// tb1qxahyy004uulu24zuq05fk2rmjwj4wge8452ukh</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 = mw85M29rAaosx2hshS2t8H8trvyH6yphnu</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mka3YWy8HDtyXVHNuQZAKb9p9KfJMsmjWA</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mw85M29rAaosx2hshS2t8H8trvyH6yphnu</span>
<span class="hljs-comment">// mka3YWy8HDtyXVHNuQZAKb9p9KfJMsmjWA</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 © 2020 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, 0x6540a90c9b1e08f008a7fce630f57caa90fbc0a666f66de2fbd86074053b210f)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xdd417fa8843d5fc9465a85d5eeaa6c32560c39db5cd31cc69f641287ef126a84)</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(grab, aim, drip, curtain, they, job, card, zebra, tower, marble, game, festival, autumn, theory, office, tell, hospital, blind, voyage, science, doctor, outside, loud, toddler) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(tail, armor, tuition, anchor, sting, tool, bonus, expose, sting, inspire, only, gorilla, general, brother, hope, omit, broom, crunch, suit, celery, leave, matrix, present, other) // 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 = zpub6jftahH18ngZwfqDTYVVaPoaNGBPxmDYQT28BNEWBBnBoRXGAHfvARN7aDSPwRFDzGKzGiQifcgRwbDc1N9L14WLDuAnQrMKLAtpbfpyfmV</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxDv4xjpPbejGBp2ZzcdatC2SSzZ3vFCnPLh1M3qLwW3M8P4m73nSTgnytWix5RdngaYUZaPnsnR4VcPQw19g7h5y5MxGHgn</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 = zpub6rEw1dARakkgqi3EGQMBW9CoDBvw9fTk4qg3PJRVa2CGLTofyzeXTGi6p9bQan8G3K4Tg7NzjoBUFTy7Cc4sAp7CdfxknTofbLunurqmQUD</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qerB1UHFpKd41wL1tM1Heej352viUae1ccMFjt717H2yr4tFMP25ir2L5q1XYrd3yfbNW2i6v4qYv52vLWYh5qRHtXjEHLvZEYpYkccgEw</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 = tb1qvv5tr483tzmeywj3f72v0w7uln36gl73acfuee</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qkx9fqp4yhc5l8wyzxfyye94pqlsfjm744wkzqu</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 = tb1qvv5tr483tzmeywj3f72v0w7uln36gl73acfuee</span>
<span class="hljs-comment">// res2: String = tb1qkx9fqp4yhc5l8wyzxfyye94pqlsfjm744wkzqu</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, 0x6540a90c9b1e08f008a7fce630f57caa90fbc0a666f66de2fbd86074053b210f)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xdd417fa8843d5fc9465a85d5eeaa6c32560c39db5cd31cc69f641287ef126a84)</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(grab, aim, drip, curtain, they, job, card, zebra, tower, marble, game, festival, autumn, theory, office, tell, hospital, blind, voyage, science, doctor, outside, loud, toddler) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(tail, armor, tuition, anchor, sting, tool, bonus, expose, sting, inspire, only, gorilla, general, brother, hope, omit, broom, crunch, suit, celery, leave, matrix, present, other) // 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 = zpub6jftahH18ngZwfqDTYVVaPoaNGBPxmDYQT28BNEWBBnBoRXGAHfvARN7aDSPwRFDzGKzGiQifcgRwbDc1N9L14WLDuAnQrMKLAtpbfpyfmV</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxDv4xjpPbejGBp2ZzcdatC2SSzZ3vFCnPLh1M3qLwW3M8P4m73nSTgnytWix5RdngaYUZaPnsnR4VcPQw19g7h5y5MxGHgn</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 = zpub6rEw1dARakkgqi3EGQMBW9CoDBvw9fTk4qg3PJRVa2CGLTofyzeXTGi6p9bQan8G3K4Tg7NzjoBUFTy7Cc4sAp7CdfxknTofbLunurqmQUD</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qerB1UHFpKd41wL1tM1Heej352viUae1ccMFjt717H2yr4tFMP25ir2L5q1XYrd3yfbNW2i6v4qYv52vLWYh5qRHtXjEHLvZEYpYkccgEw</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 = tb1qvv5tr483tzmeywj3f72v0w7uln36gl73acfuee</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qkx9fqp4yhc5l8wyzxfyye94pqlsfjm744wkzqu</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 = tb1qvv5tr483tzmeywj3f72v0w7uln36gl73acfuee</span>
<span class="hljs-comment">// res2: String = tb1qkx9fqp4yhc5l8wyzxfyye94pqlsfjm744wkzqu</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$$anon$3@368d2fe6[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@2ad2998d[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, 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(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9)</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(37d11e82bca4b7356c9e036ef496891ada548c0a)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995)</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(37d11e82bca4b7356c9e036ef496891ada548c0a))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995))</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(128531d1c9f87383a1874eedd1c04927aa0cb656)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37)</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(128531d1c9f87383a1874eedd1c04927aa0cb656)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37)))</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(37d11e82bca4b7356c9e036ef496891ada548c0a))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0)</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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(128531d1c9f87383a1874eedd1c04927aa0cb656))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),10000 sats,ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),10000 sats,ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9))</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(0ee1063b220d7eac28582aab1e834f3c821102eb)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(a7e6636da5f2f60e5c3e9b87898fbf431293e5a6)</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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),10000 sats,ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f))),1 sats/byte,pkh(0ee1063b220d7eac28582aab1e834f3c821102eb))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),10000 sats,ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9))),1 sats/byte,pkh(a7e6636da5f2f60e5c3e9b87898fbf431293e5a6))</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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(128531d1c9f87383a1874eedd1c04927aa0cb656)), TransactionOutput(4775 sats,pkh(0ee1063b220d7eac28582aab1e834f3c821102eb))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37)), TransactionOutput(4775 sats,pkh(a7e6636da5f2f60e5c3e9b87898fbf431293e5a6))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),10000 sats,ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(37d11e82bca4b7356c9e036ef496891ada548c0a))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),10000 sats,ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),10000 sats,ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(37d11e82bca4b7356c9e036ef496891ada548c0a))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),10000 sats,ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),P2PKHScriptSignature(ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f), ECDigitalSignature(3044022027518f8ed5762029b549337ec72fd15a1e3fe21eab5b4902c9980f3061137dc3022044a0e594c8d51926f6516230def4b3004f47ced9d5568b2fd482d300fe850bdc01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(128531d1c9f87383a1874eedd1c04927aa0cb656)), TransactionOutput(4775 sats,pkh(0ee1063b220d7eac28582aab1e834f3c821102eb))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),P2PKHScriptSignature(ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9), ECDigitalSignature(3044022065b9e3d417a9210442fecd22963af76fcfcceffb59430dad7bbafbd8180676dd02206b1bba9d1563c3379e05edb97e5307e8b5430dc8cfa72af7c6ae5127936d52ef01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37)), TransactionOutput(4775 sats,pkh(a7e6636da5f2f60e5c3e9b87898fbf431293e5a6))),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 = 02000000013fdf88a739643fa8fbb51958cbe41e6361d29706f3ba8a16f4c971e0e2a4bf14000000006a473044022027518f8ed5762029b549337ec72fd15a1e3fe21eab5b4902c9980f3061137dc3022044a0e594c8d51926f6516230def4b3004f47ced9d5568b2fd482d300fe850bdc012103b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f000000000288130000000000001976a914128531d1c9f87383a1874eedd1c04927aa0cb65688aca7120000000000001976a9140ee1063b220d7eac28582aab1e834f3c821102eb88ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000162478017f0d617068fa7d8bcba134a192d14574899c64e6aa1f4687834fea14a000000006a473044022065b9e3d417a9210442fecd22963af76fcfcceffb59430dad7bbafbd8180676dd02206b1bba9d1563c3379e05edb97e5307e8b5430dc8cfa72af7c6ae5127936d52ef01210326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9000000000288130000000000001976a914cbe763bc621970874efa7b5224ea54c60d0f7d3788aca7120000000000001976a914a7e6636da5f2f60e5c3e9b87898fbf431293e5a688ac00000000</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$$anon$3@368d2fe6[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@2ad2998d[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, 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(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9)</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(37d11e82bca4b7356c9e036ef496891ada548c0a)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995)</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(37d11e82bca4b7356c9e036ef496891ada548c0a))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995))</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(128531d1c9f87383a1874eedd1c04927aa0cb656)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37)</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(128531d1c9f87383a1874eedd1c04927aa0cb656)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37)))</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(37d11e82bca4b7356c9e036ef496891ada548c0a))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0)</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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(128531d1c9f87383a1874eedd1c04927aa0cb656))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),10000 sats,ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),10000 sats,ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9))</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(0ee1063b220d7eac28582aab1e834f3c821102eb)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(a7e6636da5f2f60e5c3e9b87898fbf431293e5a6)</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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),10000 sats,ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f))),1 sats/byte,pkh(0ee1063b220d7eac28582aab1e834f3c821102eb))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),10000 sats,ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9))),1 sats/byte,pkh(a7e6636da5f2f60e5c3e9b87898fbf431293e5a6))</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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(128531d1c9f87383a1874eedd1c04927aa0cb656)), TransactionOutput(4775 sats,pkh(0ee1063b220d7eac28582aab1e834f3c821102eb))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37)), TransactionOutput(4775 sats,pkh(a7e6636da5f2f60e5c3e9b87898fbf431293e5a6))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),10000 sats,ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(37d11e82bca4b7356c9e036ef496891ada548c0a))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),10000 sats,ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),10000 sats,ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(37d11e82bca4b7356c9e036ef496891ada548c0a))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),10000 sats,ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1f7ee5e26fd570e3b4f10383788856a03bfa995))),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(14bfa4e2e071c9f4168abaf30697d261631ee4cb5819b5fba83f6439a788df3f:0),P2PKHScriptSignature(ECPublicKey(03b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f), ECDigitalSignature(3044022027518f8ed5762029b549337ec72fd15a1e3fe21eab5b4902c9980f3061137dc3022044a0e594c8d51926f6516230def4b3004f47ced9d5568b2fd482d300fe850bdc01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(128531d1c9f87383a1874eedd1c04927aa0cb656)), TransactionOutput(4775 sats,pkh(0ee1063b220d7eac28582aab1e834f3c821102eb))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(4aa1fe347868f4a16a4ec6994857142d194a13babcd8a78f0617d6f017804762:0),P2PKHScriptSignature(ECPublicKey(0326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9), ECDigitalSignature(3044022065b9e3d417a9210442fecd22963af76fcfcceffb59430dad7bbafbd8180676dd02206b1bba9d1563c3379e05edb97e5307e8b5430dc8cfa72af7c6ae5127936d52ef01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cbe763bc621970874efa7b5224ea54c60d0f7d37)), TransactionOutput(4775 sats,pkh(a7e6636da5f2f60e5c3e9b87898fbf431293e5a6))),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 = 02000000013fdf88a739643fa8fbb51958cbe41e6361d29706f3ba8a16f4c971e0e2a4bf14000000006a473044022027518f8ed5762029b549337ec72fd15a1e3fe21eab5b4902c9980f3061137dc3022044a0e594c8d51926f6516230def4b3004f47ced9d5568b2fd482d300fe850bdc012103b4ddff53d2d63eef743b01bf8abcddf975ecc3003c4e58b71374175afec7af8f000000000288130000000000001976a914128531d1c9f87383a1874eedd1c04927aa0cb65688aca7120000000000001976a9140ee1063b220d7eac28582aab1e834f3c821102eb88ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000162478017f0d617068fa7d8bcba134a192d14574899c64e6aa1f4687834fea14a000000006a473044022065b9e3d417a9210442fecd22963af76fcfcceffb59430dad7bbafbd8180676dd02206b1bba9d1563c3379e05edb97e5307e8b5430dc8cfa72af7c6ae5127936d52ef01210326d86c3ee4bd951854babe08e51073dd802efe14b85a89bb337ac9f1f2f5acb9000000000288130000000000001976a914cbe763bc621970874efa7b5224ea54c60d0f7d3788aca7120000000000001976a914a7e6636da5f2f60e5c3e9b87898fbf431293e5a688ac00000000</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 © 2020 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(3045022100e58ea79eab64866a5c887eac0ba8a08322af20fdee90921f36349b8321eba73a022059dc57f38c777abd5c81387522933eeef0e9dcf0d2391bc0908b3910cbd0282f)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402206d200b1f19d029c2b643200ce8f5d483f436a5da90c5fc0c67085ced26ce011802206ca2f3118027fef07881663f08a3886f49c6ebadeea944e6ecc102c5556443f2)</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(304502210090a703e8c94545fa22ea513816b9f938b73606c30425897f165735d5de1eddd5022057166ec998fc1a735e89e31f94d3f773c7554f1ce67e62a9c61f6f484d75be7f)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402203ed7cd427b2d583ee9f18a17c7db1c03a404a4992b2f5bf3e9a308816e48deff02206ce729f9e5c8a73b8d31fdc00b2ab54c428f7ca6f3730b38b5851ab28cf89af5)</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(3045022100e58ea79eab64866a5c887eac0ba8a08322af20fdee90921f36349b8321eba73a022059dc57f38c777abd5c81387522933eeef0e9dcf0d2391bc0908b3910cbd0282f)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402206d200b1f19d029c2b643200ce8f5d483f436a5da90c5fc0c67085ced26ce011802206ca2f3118027fef07881663f08a3886f49c6ebadeea944e6ecc102c5556443f2)</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(304502210090a703e8c94545fa22ea513816b9f938b73606c30425897f165735d5de1eddd5022057166ec998fc1a735e89e31f94d3f773c7554f1ce67e62a9c61f6f484d75be7f)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402203ed7cd427b2d583ee9f18a17c7db1c03a404a4992b2f5bf3e9a308816e48deff02206ce729f9e5c8a73b8d31fdc00b2ab54c428f7ca6f3730b38b5851ab28cf89af5)</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+168-901fb2af-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+169-0f56ab21-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+168-901fb2af-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+169-0f56ab21-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
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, 0x68308a0517070c06025b7f2e1c244f48f909b9adbbc9936f07d9d1364cc0721b)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x53f68042915e4da9d1159c9bbce13d552acec5e69fca94e89ad3d5b8c878e8fd)</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(habit, lounge, life, come, ignore, adapt, annual, husband, come, thrive, because, music, mountain, system, report, junior, nature, join, wait, pen, gospel, gasp, silent, glory)</span>
<span class="hljs-comment">// Vector(fault, reduce, awful, cargo, tooth, stay, dust, receive, option, train, exercise, prevent, provide, glass, omit, welcome, neutral, dynamic, reject, problem, milk, detect, physical, rebel)</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-example8422869244206929105/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example3201535348136675423/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-example8422869244206929105/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3201535348136675423/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@44769e17)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@7db5ad6b)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYm8agteuTjQgQV22KJdZ3nA2cryzgGpqKhNbL9zN9UmSZ85JFCfNLQhHCsZMSRvVDQTMbSsr7nWGP2cxRp19VyuGus5mhv9</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ7BChqH3bhJTpC5YJNuqP364JmFhqCgqjasdEBmjBGLVTz7ynoJFa4RMHuGX3ziiiR6u8EEXswPxjX1hKaoZN8ZUZWvohb8</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYm8agteuTjQgQV22KJdZ3nA2cryzgGpqKhNbL9zN9UmSZ85JFCfNLQhHCsZMSRvVDQTMbSsr7nWGP2cxRp19VyuGus5mhv9</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ7BChqH3bhJTpC5YJNuqP364JmFhqCgqjasdEBmjBGLVTz7ynoJFa4RMHuGX3ziiiR6u8EEXswPxjX1hKaoZN8ZUZWvohb8</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-example8422869244206929105/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3201535348136675423/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@49d4e548</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@334fec47</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwwu42KoQJ5nh6Mbp5nbYiEEukSZYCJLMY6dWLnecdjPzdwueEqH3xyAWCmwbH5LgkYucUEXuJjEfrPQemTH6at9rUGbJ6ej</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxHwg3GRYS3gUW4fL4rsq3VAwSLqFMECMwz8YEpRyfWy3YoxKnRuwCctaHoekte8vFZZA11tb4t8NCsoPfE5WT2p47oa36XK</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZwwu42KoQJ5nh6Mbp5nbYiEEukSZYCJLMY6dWLnecdjPzdwueEqH3xyAWCmwbH5LgkYucUEXuJjEfrPQemTH6at9rUGbJ6ej</span>
<span class="hljs-comment">// zpub6jftahH18ngZxHwg3GRYS3gUW4fL4rsq3VAwSLqFMECMwz8YEpRyfWy3YoxKnRuwCctaHoekte8vFZZA11tb4t8NCsoPfE5WT2p47oa36XK</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, 0x68308a0517070c06025b7f2e1c244f48f909b9adbbc9936f07d9d1364cc0721b)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x53f68042915e4da9d1159c9bbce13d552acec5e69fca94e89ad3d5b8c878e8fd)</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(habit, lounge, life, come, ignore, adapt, annual, husband, come, thrive, because, music, mountain, system, report, junior, nature, join, wait, pen, gospel, gasp, silent, glory)</span>
<span class="hljs-comment">// Vector(fault, reduce, awful, cargo, tooth, stay, dust, receive, option, train, exercise, prevent, provide, glass, omit, welcome, neutral, dynamic, reject, problem, milk, detect, physical, rebel)</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-example8422869244206929105/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example3201535348136675423/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-example8422869244206929105/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3201535348136675423/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@44769e17)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@7db5ad6b)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYm8agteuTjQgQV22KJdZ3nA2cryzgGpqKhNbL9zN9UmSZ85JFCfNLQhHCsZMSRvVDQTMbSsr7nWGP2cxRp19VyuGus5mhv9</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ7BChqH3bhJTpC5YJNuqP364JmFhqCgqjasdEBmjBGLVTz7ynoJFa4RMHuGX3ziiiR6u8EEXswPxjX1hKaoZN8ZUZWvohb8</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYm8agteuTjQgQV22KJdZ3nA2cryzgGpqKhNbL9zN9UmSZ85JFCfNLQhHCsZMSRvVDQTMbSsr7nWGP2cxRp19VyuGus5mhv9</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ7BChqH3bhJTpC5YJNuqP364JmFhqCgqjasdEBmjBGLVTz7ynoJFa4RMHuGX3ziiiR6u8EEXswPxjX1hKaoZN8ZUZWvohb8</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-example8422869244206929105/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3201535348136675423/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@49d4e548</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@334fec47</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwwu42KoQJ5nh6Mbp5nbYiEEukSZYCJLMY6dWLnecdjPzdwueEqH3xyAWCmwbH5LgkYucUEXuJjEfrPQemTH6at9rUGbJ6ej</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxHwg3GRYS3gUW4fL4rsq3VAwSLqFMECMwz8YEpRyfWy3YoxKnRuwCctaHoekte8vFZZA11tb4t8NCsoPfE5WT2p47oa36XK</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZwwu42KoQJ5nh6Mbp5nbYiEEukSZYCJLMY6dWLnecdjPzdwueEqH3xyAWCmwbH5LgkYucUEXuJjEfrPQemTH6at9rUGbJ6ej</span>
<span class="hljs-comment">// zpub6jftahH18ngZxHwg3GRYS3gUW4fL4rsq3VAwSLqFMECMwz8YEpRyfWy3YoxKnRuwCctaHoekte8vFZZA11tb4t8NCsoPfE5WT2p47oa36XK</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(0367c730a3427cfa1d46681dd27d48671a3ac383e8d6c3cdff4442143b34c1fea4)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03acdfa638dc7fca1f39e8f7c3f24808dfdfed7e39c2819e9669aa52267bb79718)</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(304402206ad0056a00cd1cf57264b01cdf54852da679c9fb351a8d8159a5da42e993060f022041312af3b59ac9f94f09114c7a7751288e5a15a5afb94c19683e642f2a7998af)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402206c8b535b2a096c2ea09eef6ba7bb6b09234c1e56ff48d3bc1dcce0795eb588b20220177dc7c08fba003be2df83abce73350f04b7657a4672df7f7f70f69c0f2e1a91)</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(0367c730a3427cfa1d46681dd27d48671a3ac383e8d6c3cdff4442143b34c1fea4)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03acdfa638dc7fca1f39e8f7c3f24808dfdfed7e39c2819e9669aa52267bb79718)</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(304402206ad0056a00cd1cf57264b01cdf54852da679c9fb351a8d8159a5da42e993060f022041312af3b59ac9f94f09114c7a7751288e5a15a5afb94c19683e642f2a7998af)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402206c8b535b2a096c2ea09eef6ba7bb6b09234c1e56ff48d3bc1dcce0795eb588b20220177dc7c08fba003be2df83abce73350f04b7657a4672df7f7f70f69c0f2e1a91)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>