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

@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03dc896c90b6bf1d59e76dd658aa3df83f48ad5ad9f03036e7f45d5eca4d55a7b0)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(035d82ac4a50dd8c24ccd9f00275446a96473de4792d1ae13fc466d365dadc5100)</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 = tb1qrwl56qv2wsjj8qc7xqxk88pw3ggntd66luc6xs</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qgyd3pnn2m87t2ntty33ndcekq2p8ceypavqx5k</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qrwl56qv2wsjj8qc7xqxk88pw3ggntd66luc6xs</span>
<span class="hljs-comment">// tb1qgyd3pnn2m87t2ntty33ndcekq2p8ceypavqx5k</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 = mi3fi3eGdBVzWLgeV62kTtYeQqrSx3Ma9m</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mmTCe5SK4PpWdaji8DjmiXjduSvK4KNSLW</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mi3fi3eGdBVzWLgeV62kTtYeQqrSx3Ma9m</span>
<span class="hljs-comment">// mmTCe5SK4PpWdaji8DjmiXjduSvK4KNSLW</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(03dc896c90b6bf1d59e76dd658aa3df83f48ad5ad9f03036e7f45d5eca4d55a7b0)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(035d82ac4a50dd8c24ccd9f00275446a96473de4792d1ae13fc466d365dadc5100)</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 = tb1qrwl56qv2wsjj8qc7xqxk88pw3ggntd66luc6xs</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qgyd3pnn2m87t2ntty33ndcekq2p8ceypavqx5k</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qrwl56qv2wsjj8qc7xqxk88pw3ggntd66luc6xs</span>
<span class="hljs-comment">// tb1qgyd3pnn2m87t2ntty33ndcekq2p8ceypavqx5k</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 = mi3fi3eGdBVzWLgeV62kTtYeQqrSx3Ma9m</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mmTCe5SK4PpWdaji8DjmiXjduSvK4KNSLW</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mi3fi3eGdBVzWLgeV62kTtYeQqrSx3Ma9m</span>
<span class="hljs-comment">// mmTCe5SK4PpWdaji8DjmiXjduSvK4KNSLW</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, 0x92069b6072f77ba4502e68c582e46a4035cc27d3c98a42b6e3daa03f7b1e6662)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x539f96300bfab66f2922768ab907034d2f22bcea5f2f28d3cc9fa50ac47726d8)</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(must, crumble, submit, tourist, jeans, split, doll, snack, sheriff, blame, box, lesson, fresh, become, execute, course, dress, require, wall, document, waste, monkey, office, festival) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(fatal, witness, metal, blood, problem, daring, pig, excite, melt, sight, school, olympic, vendor, fury, practice, tourist, churn, oyster, child, energy, proof, describe, opinion, blur) // 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 = zpub6jftahH18ngZwAqDiNkr8iTddZstybUs5j2UtTGmYTSyDU7652rATijVVaVdh6s36TYc8RK7kmFiKeSm3h24LZwaLryuNYBDHWRfXLtVBo6</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwbGV6A8N9TB3rmyLEANdi3XmzLYYQmrbKkQzYLkAZ8vQQ2y5ENmQoBp3KrhjsvyXFS5cGWEaDEKfGbF65htUML25Zyk7BPp</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 = zpub6rFq63tiNFJ8ge3xniL1C3EJf9HTQZFuSApAbQiCxqUAC7odAs8tWRMNhNhQiLApWV41erjEPtKP7CPdCoNvzPQsS4WqB6ASikmXahf3ZBT</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rLak3AaLWNDjsYkNnnabS2PCcfhu4s694GUpHYqRCMmK8noJjnawabgxmKz6kgxnDahaqinkyNLmpuaraLpeD5Xh88QySrDFffgpPd2da7</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 = tb1q0g36ffyu63jrdu2lay8at40m7axvrta42s9av3</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qlcfd4dg5hccwjxdhz059vcvwkr48n9yc2styfd</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 = tb1q0g36ffyu63jrdu2lay8at40m7axvrta42s9av3</span>
<span class="hljs-comment">// res2: String = tb1qlcfd4dg5hccwjxdhz059vcvwkr48n9yc2styfd</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, 0x92069b6072f77ba4502e68c582e46a4035cc27d3c98a42b6e3daa03f7b1e6662)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x539f96300bfab66f2922768ab907034d2f22bcea5f2f28d3cc9fa50ac47726d8)</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(must, crumble, submit, tourist, jeans, split, doll, snack, sheriff, blame, box, lesson, fresh, become, execute, course, dress, require, wall, document, waste, monkey, office, festival) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(fatal, witness, metal, blood, problem, daring, pig, excite, melt, sight, school, olympic, vendor, fury, practice, tourist, churn, oyster, child, energy, proof, describe, opinion, blur) // 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 = zpub6jftahH18ngZwAqDiNkr8iTddZstybUs5j2UtTGmYTSyDU7652rATijVVaVdh6s36TYc8RK7kmFiKeSm3h24LZwaLryuNYBDHWRfXLtVBo6</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwbGV6A8N9TB3rmyLEANdi3XmzLYYQmrbKkQzYLkAZ8vQQ2y5ENmQoBp3KrhjsvyXFS5cGWEaDEKfGbF65htUML25Zyk7BPp</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 = zpub6rFq63tiNFJ8ge3xniL1C3EJf9HTQZFuSApAbQiCxqUAC7odAs8tWRMNhNhQiLApWV41erjEPtKP7CPdCoNvzPQsS4WqB6ASikmXahf3ZBT</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rLak3AaLWNDjsYkNnnabS2PCcfhu4s694GUpHYqRCMmK8noJjnawabgxmKz6kgxnDahaqinkyNLmpuaraLpeD5Xh88QySrDFffgpPd2da7</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 = tb1q0g36ffyu63jrdu2lay8at40m7axvrta42s9av3</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qlcfd4dg5hccwjxdhz059vcvwkr48n9yc2styfd</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 = tb1q0g36ffyu63jrdu2lay8at40m7axvrta42s9av3</span>
<span class="hljs-comment">// res2: String = tb1qlcfd4dg5hccwjxdhz059vcvwkr48n9yc2styfd</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$$anon$3@62a6050e[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@302e4d46[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, 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(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8)</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(b6903aa6fe9635778d0b3f0b46e068255d8217f5)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219)</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(b6903aa6fe9635778d0b3f0b46e068255d8217f5))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219))</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(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a)</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(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a)))</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(b6903aa6fe9635778d0b3f0b46e068255d8217f5))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0)</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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),10000 sats,ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),10000 sats,ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8))</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(98bb65533eaac2a007b8c4764814ba1695d8cfda)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(df858db512aa672dd5ba76f6d0c572a9bc109dae)</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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),10000 sats,ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af))),1 sats/byte,pkh(98bb65533eaac2a007b8c4764814ba1695d8cfda))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),10000 sats,ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8))),1 sats/byte,pkh(df858db512aa672dd5ba76f6d0c572a9bc109dae))</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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d)), TransactionOutput(4775 sats,pkh(98bb65533eaac2a007b8c4764814ba1695d8cfda))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a)), TransactionOutput(4775 sats,pkh(df858db512aa672dd5ba76f6d0c572a9bc109dae))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),10000 sats,ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b6903aa6fe9635778d0b3f0b46e068255d8217f5))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),10000 sats,ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),10000 sats,ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b6903aa6fe9635778d0b3f0b46e068255d8217f5))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),10000 sats,ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),P2PKHScriptSignature(ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af), ECDigitalSignature(3044022040ca7103f99c123a5d0c9092094686c3288e0764fc1b0fc249e8390acc8b3bac022069b7449ebf9a9245b5867b6b7264cef7da70acbeef17cddfd9d4e07a12906f1501)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d)), TransactionOutput(4775 sats,pkh(98bb65533eaac2a007b8c4764814ba1695d8cfda))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),P2PKHScriptSignature(ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8), ECDigitalSignature(3044022062de25ab3906a2cfd52779fd418a5c26a3277d18e522db5d5a18ad6f16bd5ee102206b11c640ad78b000055758e7209bce2e290f4ab4f9e35d8af01a096a94c2066101)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a)), TransactionOutput(4775 sats,pkh(df858db512aa672dd5ba76f6d0c572a9bc109dae))),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 = 02000000014191d06d2045a1330f74b62b420d3f38efe521237c03fa77e71b0a3bf5e9a1fc000000006a473044022040ca7103f99c123a5d0c9092094686c3288e0764fc1b0fc249e8390acc8b3bac022069b7449ebf9a9245b5867b6b7264cef7da70acbeef17cddfd9d4e07a12906f150121030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af000000000288130000000000001976a9146f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d88aca7120000000000001976a91498bb65533eaac2a007b8c4764814ba1695d8cfda88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001b22bcb7de2a28a93dc73a456e8b418e5fea76f1cf0df6bee8767674cb7dcad30000000006a473044022062de25ab3906a2cfd52779fd418a5c26a3277d18e522db5d5a18ad6f16bd5ee102206b11c640ad78b000055758e7209bce2e290f4ab4f9e35d8af01a096a94c2066101210270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8000000000288130000000000001976a9147c6f8334ea5e8310581b4cfc102160963bd2c15a88aca7120000000000001976a914df858db512aa672dd5ba76f6d0c572a9bc109dae88ac00000000</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$$anon$3@62a6050e[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@302e4d46[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, 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(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8)</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(b6903aa6fe9635778d0b3f0b46e068255d8217f5)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219)</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(b6903aa6fe9635778d0b3f0b46e068255d8217f5))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219))</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(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a)</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(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a)))</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(b6903aa6fe9635778d0b3f0b46e068255d8217f5))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0)</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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),10000 sats,ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),10000 sats,ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8))</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(98bb65533eaac2a007b8c4764814ba1695d8cfda)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(df858db512aa672dd5ba76f6d0c572a9bc109dae)</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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),10000 sats,ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af))),1 sats/byte,pkh(98bb65533eaac2a007b8c4764814ba1695d8cfda))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),10000 sats,ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8))),1 sats/byte,pkh(df858db512aa672dd5ba76f6d0c572a9bc109dae))</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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d)), TransactionOutput(4775 sats,pkh(98bb65533eaac2a007b8c4764814ba1695d8cfda))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a)), TransactionOutput(4775 sats,pkh(df858db512aa672dd5ba76f6d0c572a9bc109dae))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),10000 sats,ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b6903aa6fe9635778d0b3f0b46e068255d8217f5))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),10000 sats,ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),10000 sats,ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b6903aa6fe9635778d0b3f0b46e068255d8217f5))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),10000 sats,ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(453445cb6dd5dc7f4bf47c79ce7fa836d7424219))),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(fca1e9f53b0a1be777fa037c2321e5ef383f0d422bb6740f33a145206dd09141:0),P2PKHScriptSignature(ECPublicKey(030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af), ECDigitalSignature(3044022040ca7103f99c123a5d0c9092094686c3288e0764fc1b0fc249e8390acc8b3bac022069b7449ebf9a9245b5867b6b7264cef7da70acbeef17cddfd9d4e07a12906f1501)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d)), TransactionOutput(4775 sats,pkh(98bb65533eaac2a007b8c4764814ba1695d8cfda))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(30addcb74c676787ee6bdff01c6fa7fee518b4e856a473dc938aa2e27dcb2bb2:0),P2PKHScriptSignature(ECPublicKey(0270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8), ECDigitalSignature(3044022062de25ab3906a2cfd52779fd418a5c26a3277d18e522db5d5a18ad6f16bd5ee102206b11c640ad78b000055758e7209bce2e290f4ab4f9e35d8af01a096a94c2066101)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7c6f8334ea5e8310581b4cfc102160963bd2c15a)), TransactionOutput(4775 sats,pkh(df858db512aa672dd5ba76f6d0c572a9bc109dae))),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 = 02000000014191d06d2045a1330f74b62b420d3f38efe521237c03fa77e71b0a3bf5e9a1fc000000006a473044022040ca7103f99c123a5d0c9092094686c3288e0764fc1b0fc249e8390acc8b3bac022069b7449ebf9a9245b5867b6b7264cef7da70acbeef17cddfd9d4e07a12906f150121030b716e773ec81240979bbdba509cc17c3909661b0ad2f0507b035a14dda345af000000000288130000000000001976a9146f6e8e8c471f380d6eec8e9ee6841c86d06f2a8d88aca7120000000000001976a91498bb65533eaac2a007b8c4764814ba1695d8cfda88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001b22bcb7de2a28a93dc73a456e8b418e5fea76f1cf0df6bee8767674cb7dcad30000000006a473044022062de25ab3906a2cfd52779fd418a5c26a3277d18e522db5d5a18ad6f16bd5ee102206b11c640ad78b000055758e7209bce2e290f4ab4f9e35d8af01a096a94c2066101210270927ab8f0f4df419bbbf599c76a5f044137991f6566571550a5d456ea9231a8000000000288130000000000001976a9147c6f8334ea5e8310581b4cfc102160963bd2c15a88aca7120000000000001976a914df858db512aa672dd5ba76f6d0c572a9bc109dae88ac00000000</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(3044022070ea2141cf5f711ab3632cd9cef36f7ceaf7efa48c1409c79f6c7e71759647f402204ce2d65d9ff4610096f853432c7ad3f315cdb4071017e490e7bfd5ccf0305057)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100947a80f58987aa66be3a530932ff05c0c5600046ec3c9bb9b2bcf6107d751fca02202c4991ca6b94ba20a5fb26c2047834e3eb3f9d6b1b7b7fddaf9430cf18b07cb7)</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(3044022003d06471f1e79d3c3ea7ac3fd41d0f39ce2e2b72311984144fb1b65e7a9f9f6a022051c6b3440df8a6b3557cc90bd5a92004dbdf83cbce240743808db86f9ac40477)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402202d30f664f4bafee48ef6d56da1b9575f473abfae20ad01d40b2cff54720ce82d02206bc63f17dcd06c9921a7dd10aaaa3bb83fb9aad928aef771c817b10b6a9431dc)</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(3044022070ea2141cf5f711ab3632cd9cef36f7ceaf7efa48c1409c79f6c7e71759647f402204ce2d65d9ff4610096f853432c7ad3f315cdb4071017e490e7bfd5ccf0305057)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100947a80f58987aa66be3a530932ff05c0c5600046ec3c9bb9b2bcf6107d751fca02202c4991ca6b94ba20a5fb26c2047834e3eb3f9d6b1b7b7fddaf9430cf18b07cb7)</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(3044022003d06471f1e79d3c3ea7ac3fd41d0f39ce2e2b72311984144fb1b65e7a9f9f6a022051c6b3440df8a6b3557cc90bd5a92004dbdf83cbce240743808db86f9ac40477)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402202d30f664f4bafee48ef6d56da1b9575f473abfae20ad01d40b2cff54720ce82d02206bc63f17dcd06c9921a7dd10aaaa3bb83fb9aad928aef771c817b10b6a9431dc)</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+197-3d37d919-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+198-40f46d7c-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+197-3d37d919-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+198-40f46d7c-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, 0x7fedf49101199b1e977265d04c2c65e6416c49c68cdf1b655145b3fb76c74af8)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x590a50250037389df7a2ffe35e1363714555dbf6d7c6afad2b67d313c8137832)</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(lend, hurry, cattle, acquire, often, monster, fruit, erosion, space, gesture, bonus, smart, bitter, ceiling, boss, orbit, bread, clever, fabric, gun, resist, glove, cloud, blind)</span>
<span class="hljs-comment">// Vector(flip, family, announce, about, inform, exclude, teach, garment, today, vacuum, sugar, tip, fetch, unknown, swap, web, quick, harsh, supreme, plate, develop, answer, this, example)</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-example349233193926487440/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example5155423579016462626/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-example349233193926487440/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example5155423579016462626/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@585e34df)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@405b61a3)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZoKuqSqSSaPSRRe1Fm5YPPtNpVwRG2kG5FmRpgAwVz3eYfmKLAvXsq8zPFpsNcJfTjCjeiELoAXqVCJcrXY5HPSJKzAYKYu</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZydMWAUJUVygXuMNsBsMuuvFLVuq1Kxz1mArDdRrosRw8np6nLCfmCwrfhvLZd3xar2eVL7U2tWFr7LYSeeX3oyXFkVKHTL</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZoKuqSqSSaPSRRe1Fm5YPPtNpVwRG2kG5FmRpgAwVz3eYfmKLAvXsq8zPFpsNcJfTjCjeiELoAXqVCJcrXY5HPSJKzAYKYu</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZydMWAUJUVygXuMNsBsMuuvFLVuq1Kxz1mArDdRrosRw8np6nLCfmCwrfhvLZd3xar2eVL7U2tWFr7LYSeeX3oyXFkVKHTL</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-example349233193926487440/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example5155423579016462626/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@349a28f3</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@3644ebf</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxz6PAsywGvmT7JDo2F3Y3qyFx5Wxn4FnHf2LqJqBzEgCdVbfKoYDWPcDPAD7DFirzsezXVtPz7GExZ6KCAp2NHgstM9t9Xg</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyAPpqbcoJrMhDmwAdfqMaN18U5VNXMUWEARmEG67J84VDceSmxpMPmR5fcJaQGUA7zUuN7mXDqEfKU8EnHvU8iE6ozCacPS</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxz6PAsywGvmT7JDo2F3Y3qyFx5Wxn4FnHf2LqJqBzEgCdVbfKoYDWPcDPAD7DFirzsezXVtPz7GExZ6KCAp2NHgstM9t9Xg</span>
<span class="hljs-comment">// zpub6jftahH18ngZyAPpqbcoJrMhDmwAdfqMaN18U5VNXMUWEARmEG67J84VDceSmxpMPmR5fcJaQGUA7zUuN7mXDqEfKU8EnHvU8iE6ozCacPS</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, 0x7fedf49101199b1e977265d04c2c65e6416c49c68cdf1b655145b3fb76c74af8)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x590a50250037389df7a2ffe35e1363714555dbf6d7c6afad2b67d313c8137832)</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(lend, hurry, cattle, acquire, often, monster, fruit, erosion, space, gesture, bonus, smart, bitter, ceiling, boss, orbit, bread, clever, fabric, gun, resist, glove, cloud, blind)</span>
<span class="hljs-comment">// Vector(flip, family, announce, about, inform, exclude, teach, garment, today, vacuum, sugar, tip, fetch, unknown, swap, web, quick, harsh, supreme, plate, develop, answer, this, example)</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-example349233193926487440/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example5155423579016462626/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-example349233193926487440/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example5155423579016462626/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@585e34df)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@405b61a3)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZoKuqSqSSaPSRRe1Fm5YPPtNpVwRG2kG5FmRpgAwVz3eYfmKLAvXsq8zPFpsNcJfTjCjeiELoAXqVCJcrXY5HPSJKzAYKYu</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZydMWAUJUVygXuMNsBsMuuvFLVuq1Kxz1mArDdRrosRw8np6nLCfmCwrfhvLZd3xar2eVL7U2tWFr7LYSeeX3oyXFkVKHTL</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZoKuqSqSSaPSRRe1Fm5YPPtNpVwRG2kG5FmRpgAwVz3eYfmKLAvXsq8zPFpsNcJfTjCjeiELoAXqVCJcrXY5HPSJKzAYKYu</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZydMWAUJUVygXuMNsBsMuuvFLVuq1Kxz1mArDdRrosRw8np6nLCfmCwrfhvLZd3xar2eVL7U2tWFr7LYSeeX3oyXFkVKHTL</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-example349233193926487440/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example5155423579016462626/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@349a28f3</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@3644ebf</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxz6PAsywGvmT7JDo2F3Y3qyFx5Wxn4FnHf2LqJqBzEgCdVbfKoYDWPcDPAD7DFirzsezXVtPz7GExZ6KCAp2NHgstM9t9Xg</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyAPpqbcoJrMhDmwAdfqMaN18U5VNXMUWEARmEG67J84VDceSmxpMPmR5fcJaQGUA7zUuN7mXDqEfKU8EnHvU8iE6ozCacPS</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxz6PAsywGvmT7JDo2F3Y3qyFx5Wxn4FnHf2LqJqBzEgCdVbfKoYDWPcDPAD7DFirzsezXVtPz7GExZ6KCAp2NHgstM9t9Xg</span>
<span class="hljs-comment">// zpub6jftahH18ngZyAPpqbcoJrMhDmwAdfqMaN18U5VNXMUWEARmEG67J84VDceSmxpMPmR5fcJaQGUA7zUuN7mXDqEfKU8EnHvU8iE6ozCacPS</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(036ed5e1abc65c3eb6756e8fc4bb17efdfc8c14b7bd92cb72b90f4a185f1479b80)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(033b77a2a118be65e66d8550e5e991ce7d1161b64fcd45c630feb13c4fb45a0391)</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(3045022100cc6c23b0a423ed986becf01f6d1497ccab97c375059dd6d3a7f33bc0a182eaf50220343a7e3d4ff8f6a8947e367894eeebfecb681d3e1a1957e1be16d8381e65b4ae)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100c824995b97837e79883529ff22af62549dfaf0bc6b76bf69375d85bf8f78f45602205125109b28c03c5e52198f27d636cd30c2102cb092c5107b53a8c54b0553e7ba)</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(036ed5e1abc65c3eb6756e8fc4bb17efdfc8c14b7bd92cb72b90f4a185f1479b80)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(033b77a2a118be65e66d8550e5e991ce7d1161b64fcd45c630feb13c4fb45a0391)</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(3045022100cc6c23b0a423ed986becf01f6d1497ccab97c375059dd6d3a7f33bc0a182eaf50220343a7e3d4ff8f6a8947e367894eeebfecb681d3e1a1957e1be16d8381e65b4ae)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100c824995b97837e79883529ff22af62549dfaf0bc6b76bf69375d85bf8f78f45602205125109b28c03c5e52198f27d636cd30c2102cb092c5107b53a8c54b0553e7ba)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>