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api/index.js
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docs/next/core/addresses.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03fbfe99a1cfe8d204fb1fef1abb98a6a2681b8f3b9dfce15e5e8956450914c4b9)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0327be2904502cbaf3cf6d81d1cd148d0f9164535ed3e05d0e2d3d08632ff5c570)</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 = tb1qjj0uez7khxh2ud4zy3apelapsylghphp0s2wna</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q3dc9avh9n4hwdadc2kx6yduunyx9ftqn336pcr</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qjj0uez7khxh2ud4zy3apelapsylghphp0s2wna</span>
<span class="hljs-comment">// tb1q3dc9avh9n4hwdadc2kx6yduunyx9ftqn336pcr</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="generating-legacy-base58-addresses"></a><a href="#generating-legacy-base58-addresses" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Generating legacy (base58) addresses</h2>
<p>If you need to generate legacy addresses for backwards
@ -101,10 +101,10 @@ Take a look:</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">// we're reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don't do this in an actual application!</span>
<span class="hljs-keyword">val</span> legacyAddress = <span class="hljs-type">P2PKHAddress</span>(pubkey, <span class="hljs-type">TestNet3</span>)
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mu4ojUV9ey4ZVJBffuFCqoPfCJFtRmDt9C</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mtEEqKMEZvAzPw9dNwKUXVzKpNbihTtS1w</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mu4ojUV9ey4ZVJBffuFCqoPfCJFtRmDt9C</span>
<span class="hljs-comment">// mtEEqKMEZvAzPw9dNwKUXVzKpNbihTtS1w</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2022 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

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docs/next/core/addresses/index.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03fbfe99a1cfe8d204fb1fef1abb98a6a2681b8f3b9dfce15e5e8956450914c4b9)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0327be2904502cbaf3cf6d81d1cd148d0f9164535ed3e05d0e2d3d08632ff5c570)</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 = tb1qjj0uez7khxh2ud4zy3apelapsylghphp0s2wna</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q3dc9avh9n4hwdadc2kx6yduunyx9ftqn336pcr</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qjj0uez7khxh2ud4zy3apelapsylghphp0s2wna</span>
<span class="hljs-comment">// tb1q3dc9avh9n4hwdadc2kx6yduunyx9ftqn336pcr</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="generating-legacy-base58-addresses"></a><a href="#generating-legacy-base58-addresses" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Generating legacy (base58) addresses</h2>
<p>If you need to generate legacy addresses for backwards
@ -101,10 +101,10 @@ Take a look:</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">// we're reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don't do this in an actual application!</span>
<span class="hljs-keyword">val</span> legacyAddress = <span class="hljs-type">P2PKHAddress</span>(pubkey, <span class="hljs-type">TestNet3</span>)
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mu4ojUV9ey4ZVJBffuFCqoPfCJFtRmDt9C</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mtEEqKMEZvAzPw9dNwKUXVzKpNbihTtS1w</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mu4ojUV9ey4ZVJBffuFCqoPfCJFtRmDt9C</span>
<span class="hljs-comment">// mtEEqKMEZvAzPw9dNwKUXVzKpNbihTtS1w</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2022 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
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@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x12be8fbf8525475789db6f9cbe1e5390b79afe3f4d7d03e75997655029343b36)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xe20c9b5615dfd50b37a722a120bb047fa004da1cc3b99ade1a266b144e9320b6)</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(bargain, virtual, useful, apart, federal, profit, cherry, hospital, original, valley, neutral, cannon, keen, lecture, wood, quick, advance, depart, grape, skirt, action, old, under, solution) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(tilt, gospel, stereo, close, wool, machine, teach, tone, patrol, alarm, scissors, young, able, home, indoor, jaguar, onion, valid, maze, stomach, eager, end, lizard, still) // 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 = zpub6jftahH18ngZyAmgsNEH5tcJFLAu4QXrkgDyUARbaSaF8iqBqapNSHc54535nTEazdtTJ6ZJzE2ogU5SCxe1VWPWRFUWMEBB4K1MggZ4qEt</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxDsSz8Zzv2h1bm76w9ZskzMmANdRfC5wb41LVK8DHzQLQmuPSPFyy7QDExZGir57RhLgruHQqEwGd9yqStnyKPVAUc6EoRw</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 = zpub6qfArEgbzEnQje7M5bcAGMizRTRSYPuJ5JqrZaYiyvutE9YEejbmTyQkB5jh1RKBnbN83hqduUZAYU6vGqeX6fzqcsapGPHbS8RkxEPoHHp</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rKYNFEmiK9dFRzhEv9M86LiYkupVPNDUacuDfuK7pv7DvpRiU7NxYnJ4rGSDwEetxL1PZCzVMPKQu9UdtKiiaixwLLjSUDZCiuHAms5Cb2</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 = tb1qeqvuh5vwcq5gde92fz36tqx9aj05u39q6j3tty</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q5njd9cvslwhxnwr50096w8pscupvrsfxxauz73</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 = tb1qeqvuh5vwcq5gde92fz36tqx9aj05u39q6j3tty</span>
<span class="hljs-comment">// res2: String = tb1q5njd9cvslwhxnwr50096w8pscupvrsfxxauz73</span>
<span class="hljs-comment">// you can now continue deriving addresses from the same public</span>
<span class="hljs-comment">// key, by imitating what we did above. To get the next</span>

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@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x12be8fbf8525475789db6f9cbe1e5390b79afe3f4d7d03e75997655029343b36)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xe20c9b5615dfd50b37a722a120bb047fa004da1cc3b99ade1a266b144e9320b6)</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(bargain, virtual, useful, apart, federal, profit, cherry, hospital, original, valley, neutral, cannon, keen, lecture, wood, quick, advance, depart, grape, skirt, action, old, under, solution) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(tilt, gospel, stereo, close, wool, machine, teach, tone, patrol, alarm, scissors, young, able, home, indoor, jaguar, onion, valid, maze, stomach, eager, end, lizard, still) // 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 = zpub6jftahH18ngZyAmgsNEH5tcJFLAu4QXrkgDyUARbaSaF8iqBqapNSHc54535nTEazdtTJ6ZJzE2ogU5SCxe1VWPWRFUWMEBB4K1MggZ4qEt</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxDsSz8Zzv2h1bm76w9ZskzMmANdRfC5wb41LVK8DHzQLQmuPSPFyy7QDExZGir57RhLgruHQqEwGd9yqStnyKPVAUc6EoRw</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 = zpub6qfArEgbzEnQje7M5bcAGMizRTRSYPuJ5JqrZaYiyvutE9YEejbmTyQkB5jh1RKBnbN83hqduUZAYU6vGqeX6fzqcsapGPHbS8RkxEPoHHp</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rKYNFEmiK9dFRzhEv9M86LiYkupVPNDUacuDfuK7pv7DvpRiU7NxYnJ4rGSDwEetxL1PZCzVMPKQu9UdtKiiaixwLLjSUDZCiuHAms5Cb2</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 = tb1qeqvuh5vwcq5gde92fz36tqx9aj05u39q6j3tty</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q5njd9cvslwhxnwr50096w8pscupvrsfxxauz73</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 = tb1qeqvuh5vwcq5gde92fz36tqx9aj05u39q6j3tty</span>
<span class="hljs-comment">// res2: String = tb1q5njd9cvslwhxnwr50096w8pscupvrsfxxauz73</span>
<span class="hljs-comment">// you can now continue deriving addresses from the same public</span>
<span class="hljs-comment">// key, by imitating what we did above. To get the next</span>

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@ -64,7 +64,7 @@
});
</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/bitcoin-s/bitcoin-s/blob/master/docs/core/txbuilder.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">TxBuilder Example</h1></header><article><div><span><p>Bitcoin-S features a transaction building API that allows you to construct and sign Bitcoin transactions. Here's an example of how to use it</p>
<pre><code class="hljs css language-scala"><span class="hljs-keyword">implicit</span> <span class="hljs-keyword">val</span> ec: <span class="hljs-type">ExecutionContext</span> = <span class="hljs-type">ExecutionContext</span>.<span class="hljs-type">Implicits</span>.global
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@57c66c50[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@2bdf5755[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8)</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(a1817b996df25af0c80f6470f90f9e116cdd5ad1)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3)</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(a1817b996df25af0c80f6470f90f9e116cdd5ad1))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3))</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(247751d0fd38f23fd09a15fcb22e2d47808f86b3)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0)</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(247751d0fd38f23fd09a15fcb22e2d47808f86b3)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0)))</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(a1817b996df25af0c80f6470f90f9e116cdd5ad1))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly "link" it in the transaction we are creating</span>
<span class="hljs-keyword">val</span> outPoint = <span class="hljs-type">TransactionOutPoint</span>(creditingTx.txId, <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0)</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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(247751d0fd38f23fd09a15fcb22e2d47808f86b3))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0))),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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),10000 sats,ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),10000 sats,ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(077d658dfb0428064990491c8c2761e34739ef4e)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(9a7b10faf5b135d969559f4eff2ed8390a444ac2)</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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),10000 sats,ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997))),1 sats/byte,pkh(077d658dfb0428064990491c8c2761e34739ef4e))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),10000 sats,ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8))),1 sats/byte,pkh(9a7b10faf5b135d969559f4eff2ed8390a444ac2))</span>
<span class="hljs-comment">// We can now finalize the tx builder result from earlier with this finalizer</span>
<span class="hljs-keyword">val</span> unsignedTx: <span class="hljs-type">Transaction</span> = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(247751d0fd38f23fd09a15fcb22e2d47808f86b3)), TransactionOutput(4775 sats,pkh(077d658dfb0428064990491c8c2761e34739ef4e))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0)), TransactionOutput(4775 sats,pkh(9a7b10faf5b135d969559f4eff2ed8390a444ac2))),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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),10000 sats,ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1817b996df25af0c80f6470f90f9e116cdd5ad1))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),10000 sats,ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),10000 sats,ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1817b996df25af0c80f6470f90f9e116cdd5ad1))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),10000 sats,ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997)), ECDigitalSignature(304402201e7e131307a27a0f5d19887d0db446cfb53eeffeda8bea8496c143c6ffde4b37022037df76cdc6566ef430b42f01706a4a2d953bc9a535a190b9494f463f8ae8353101)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(247751d0fd38f23fd09a15fcb22e2d47808f86b3)), TransactionOutput(4775 sats,pkh(077d658dfb0428064990491c8c2761e34739ef4e))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8)), ECDigitalSignature(30440220735e696657fd332bbf0ed8be72aec544bb2e691a336dde7efd7b3ea36d1720d8022076aa9e02e02e172edca09dd7bfecf5ba55bdaf9629e74131fd6951a75444c82f01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0)), TransactionOutput(4775 sats,pkh(9a7b10faf5b135d969559f4eff2ed8390a444ac2))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -207,7 +207,7 @@ signedTx.outputs.length
<span class="hljs-comment">//remember, you can call .hex on any bitcoin-s data structure to get the hex representation!</span>
signedTx.hex
<span class="hljs-comment">// res4: String = 0200000001d5ef60fcde395634b4120f9acc207940ac881869c0d73b52ba8e21ad29ec337e000000006a47304402201e7e131307a27a0f5d19887d0db446cfb53eeffeda8bea8496c143c6ffde4b37022037df76cdc6566ef430b42f01706a4a2d953bc9a535a190b9494f463f8ae835310121038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997000000000288130000000000001976a914247751d0fd38f23fd09a15fcb22e2d47808f86b388aca7120000000000001976a914077d658dfb0428064990491c8c2761e34739ef4e88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001481aaa5e937bec308df6094eee94d5513256795663b74eee00bd5418d24daec5000000006a4730440220735e696657fd332bbf0ed8be72aec544bb2e691a336dde7efd7b3ea36d1720d8022076aa9e02e02e172edca09dd7bfecf5ba55bdaf9629e74131fd6951a75444c82f012103f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8000000000288130000000000001976a91491e09600568d6ea69f2be3751bcf003f4045e2f088aca7120000000000001976a9149a7b10faf5b135d969559f4eff2ed8390a444ac288ac00000000</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$$anon$3@57c66c50[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@2bdf5755[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8)</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(a1817b996df25af0c80f6470f90f9e116cdd5ad1)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3)</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(a1817b996df25af0c80f6470f90f9e116cdd5ad1))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3))</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(247751d0fd38f23fd09a15fcb22e2d47808f86b3)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0)</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(247751d0fd38f23fd09a15fcb22e2d47808f86b3)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0)))</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(a1817b996df25af0c80f6470f90f9e116cdd5ad1))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly "link" it in the transaction we are creating</span>
<span class="hljs-keyword">val</span> outPoint = <span class="hljs-type">TransactionOutPoint</span>(creditingTx.txId, <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0)</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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(247751d0fd38f23fd09a15fcb22e2d47808f86b3))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0))),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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),10000 sats,ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),10000 sats,ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(077d658dfb0428064990491c8c2761e34739ef4e)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(9a7b10faf5b135d969559f4eff2ed8390a444ac2)</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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),10000 sats,ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997))),1 sats/byte,pkh(077d658dfb0428064990491c8c2761e34739ef4e))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),10000 sats,ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8))),1 sats/byte,pkh(9a7b10faf5b135d969559f4eff2ed8390a444ac2))</span>
<span class="hljs-comment">// We can now finalize the tx builder result from earlier with this finalizer</span>
<span class="hljs-keyword">val</span> unsignedTx: <span class="hljs-type">Transaction</span> = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(247751d0fd38f23fd09a15fcb22e2d47808f86b3)), TransactionOutput(4775 sats,pkh(077d658dfb0428064990491c8c2761e34739ef4e))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0)), TransactionOutput(4775 sats,pkh(9a7b10faf5b135d969559f4eff2ed8390a444ac2))),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(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),10000 sats,ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1817b996df25af0c80f6470f90f9e116cdd5ad1))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),10000 sats,ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),10000 sats,ECPublicKey(038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a1817b996df25af0c80f6470f90f9e116cdd5ad1))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),10000 sats,ECPublicKey(03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6269fa47ce33e99b33e7686799ec6778a1e264c3))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7e33ec29ad218eba523bd7c0691888ac407920cc9a0f12b4345639defc60efd5:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997)), ECDigitalSignature(304402201e7e131307a27a0f5d19887d0db446cfb53eeffeda8bea8496c143c6ffde4b37022037df76cdc6566ef430b42f01706a4a2d953bc9a535a190b9494f463f8ae8353101)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(247751d0fd38f23fd09a15fcb22e2d47808f86b3)), TransactionOutput(4775 sats,pkh(077d658dfb0428064990491c8c2761e34739ef4e))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c5ae4dd21854bd00ee4eb7635679563251d594ee4e09f68d30ec7b935eaa1a48:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8)), ECDigitalSignature(30440220735e696657fd332bbf0ed8be72aec544bb2e691a336dde7efd7b3ea36d1720d8022076aa9e02e02e172edca09dd7bfecf5ba55bdaf9629e74131fd6951a75444c82f01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(91e09600568d6ea69f2be3751bcf003f4045e2f0)), TransactionOutput(4775 sats,pkh(9a7b10faf5b135d969559f4eff2ed8390a444ac2))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -207,7 +207,7 @@ signedTx.outputs.length
<span class="hljs-comment">//remember, you can call .hex on any bitcoin-s data structure to get the hex representation!</span>
signedTx.hex
<span class="hljs-comment">// res4: String = 0200000001d5ef60fcde395634b4120f9acc207940ac881869c0d73b52ba8e21ad29ec337e000000006a47304402201e7e131307a27a0f5d19887d0db446cfb53eeffeda8bea8496c143c6ffde4b37022037df76cdc6566ef430b42f01706a4a2d953bc9a535a190b9494f463f8ae835310121038b359e7b348c340ee4eb2099483d874b99cdd607a0cfbce73e0ec23b26f79997000000000288130000000000001976a914247751d0fd38f23fd09a15fcb22e2d47808f86b388aca7120000000000001976a914077d658dfb0428064990491c8c2761e34739ef4e88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001481aaa5e937bec308df6094eee94d5513256795663b74eee00bd5418d24daec5000000006a4730440220735e696657fd332bbf0ed8be72aec544bb2e691a336dde7efd7b3ea36d1720d8022076aa9e02e02e172edca09dd7bfecf5ba55bdaf9629e74131fd6951a75444c82f012103f16c16138cd4c4bbe31e280d15776347914a84e17302dac7a8cd715a81dac0d8000000000288130000000000001976a91491e09600568d6ea69f2be3751bcf003f4045e2f088aca7120000000000001976a9149a7b10faf5b135d969559f4eff2ed8390a444ac288ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/dlc"><span class="arrow-prev">← </span><span>Discreet Log Contract Data Structures</span></a><a class="docs-next button" href="/docs/next/core/lightning-network"><span>Lightning Network Data Types</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2022 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

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

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100b47fa58656b42e71034c5a21636c33ff6be5803bc71a141d9d5d6898ad3a17f302205f7ccce16f5d0b3801b5a5e4c1d58b06b331206b7ea0d0210d84cdff979c110c)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100dfec0e33ff17c778387c68693da12ffa0893aae5e71abe40dda9f0bd83c06de802207b8c03afe7839fcb15141a90c3a7313fed7ab50a852a627de91bc0ed354f7415)</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(304402204a4ad81be2c27ebad0618b11544a7fc6ee37900075e24471759a389c43ae432a02207c145479b8ffad386c05d7ea855cfe2b45f15a20da88e1a1189d79ef6f7d9450)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100fcf757948ea59477d4a0dd05ed7621da350392a3402425c3b09ffcaeb118f367022033691b1ffadd5b03fe5162358767ce21fc23c4bfbb0b0617804556a992f028c0)</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(3045022100b47fa58656b42e71034c5a21636c33ff6be5803bc71a141d9d5d6898ad3a17f302205f7ccce16f5d0b3801b5a5e4c1d58b06b331206b7ea0d0210d84cdff979c110c)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100dfec0e33ff17c778387c68693da12ffa0893aae5e71abe40dda9f0bd83c06de802207b8c03afe7839fcb15141a90c3a7313fed7ab50a852a627de91bc0ed354f7415)</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(304402204a4ad81be2c27ebad0618b11544a7fc6ee37900075e24471759a389c43ae432a02207c145479b8ffad386c05d7ea855cfe2b45f15a20da88e1a1189d79ef6f7d9450)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100fcf757948ea59477d4a0dd05ed7621da350392a3402425c3b09ffcaeb118f367022033691b1ffadd5b03fe5162358767ce21fc23c4bfbb0b0617804556a992f028c0)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

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

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.9.7-18-332893b6-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.7-19-4f9cfdbb-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

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

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.9.7-18-332893b6-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.7-19-4f9cfdbb-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

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

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa3ce5c4aade56d41a0ef0cf347a8f2fa84683447f76f6d956a95e06d58b41e98)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xdc66b7ac3ca898f1b7386ac2a1215e3eaf33725d06e06dd48e7c19fc2ca5e4bd)</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(phrase, indicate, bargain, forward, fine, patch, lonely, thunder, viable, diary, device, vital, educate, boss, cabin, unknown, horn, prize, pistol, school, stereo, foam, kidney, august)</span>
<span class="hljs-comment">// Vector(symbol, cup, twelve, junk, maze, juice, table, ask, section, animal, fiscal, later, veteran, rice, inject, swing, horse, piece, pair, crop, security, fancy, napkin, patrol)</span>
</code></pre>
<p>Now that we have a <code>MnemonicCode</code> that was securely generated, we need to now create <code>KeyManagerParams</code> which tells us how to generate
generate specific kinds of addresses for wallets.</p>
@ -99,7 +99,7 @@ generate specific kinds of addresses for wallets.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//this will create a temp directory with the prefix 'key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called "encrypted-bitcoin-s-seed.json"</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">"key-manager-example"</span>).resolve(<span class="hljs-type">WalletStorage</span>.<span class="hljs-type">ENCRYPTED_SEED_FILE_NAME</span>)
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example10775126435081951787/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example1265766013668690460/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let's create a native segwit key manager</span>
<span class="hljs-keyword">val</span> purpose = <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>
@ -110,19 +110,19 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// network: RegTest.type = RegTest</span>
<span class="hljs-keyword">val</span> kmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, purpose, network)
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10775126435081951787/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1265766013668690460/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-keyword">val</span> aesPasswordOpt = <span class="hljs-type">Some</span>(<span class="hljs-type">AesPassword</span>.fromString(<span class="hljs-string">"password"</span>))
<span class="hljs-comment">// aesPasswordOpt: Some[AesPassword] = Some(Masked(AesPassword))</span>
<span class="hljs-keyword">val</span> km = <span class="hljs-type">BIP39KeyManager</span>.initializeWithMnemonic(aesPasswordOpt, mnemonic, <span class="hljs-type">None</span>, kmParams)
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@62021898)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@a532380)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYxt6F3KDqaW2XZvzpuU4VVsFMcg4jXYK8e1XX6GuTyzhLqvcL2FC4Vx9Urw6boq15ESoS4Motv8TFZn9XGkPtrsahnJvB17</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYxPz3FWuWpxNTkLQsjnK2HEResWyGyqcT5gZuR6n9gdJuYGRDLCiY6Vypgie12pn8V5WxUk1caexfozXs996AkyvCpTiYLq</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYxt6F3KDqaW2XZvzpuU4VVsFMcg4jXYK8e1XX6GuTyzhLqvcL2FC4Vx9Urw6boq15ESoS4Motv8TFZn9XGkPtrsahnJvB17</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYxPz3FWuWpxNTkLQsjnK2HEResWyGyqcT5gZuR6n9gdJuYGRDLCiY6Vypgie12pn8V5WxUk1caexfozXs996AkyvCpTiYLq</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -131,17 +131,17 @@ println(rootXPub)
again after initializing it once. You can use the same <code>mnemonic</code> for different networks, which you control <code>KeyManagerParams</code>.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//let's create a nested segwit key manager for mainnet</span>
<span class="hljs-keyword">val</span> mainnetKmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10775126435081951787/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1265766013668690460/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now, <span class="hljs-literal">false</span>)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6d20babf</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6c303ef4</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx9eZaUTifvt3DSWnbPS49wx8VCFcFZ3qM3GSXiw9xEdFRfkxKersh4RNUmKLSTFCcNu4Jr1s5rrrivZqrv2Lym8AG7amKMu</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx9ATNgfQMBLP9cvCeDkJgjKJnT6Wo1M8fUwUv3m2dwFrzN6mCxpQAeyCpb6sqgEyfdXmqGQ4oXPN9AnECnR3FfEVmDxWVtr</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZx9eZaUTifvt3DSWnbPS49wx8VCFcFZ3qM3GSXiw9xEdFRfkxKersh4RNUmKLSTFCcNu4Jr1s5rrrivZqrv2Lym8AG7amKMu</span>
<span class="hljs-comment">// zpub6jftahH18ngZx9ATNgfQMBLP9cvCeDkJgjKJnT6Wo1M8fUwUv3m2dwFrzN6mCxpQAeyCpb6sqgEyfdXmqGQ4oXPN9AnECnR3FfEVmDxWVtr</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

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

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa3ce5c4aade56d41a0ef0cf347a8f2fa84683447f76f6d956a95e06d58b41e98)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xdc66b7ac3ca898f1b7386ac2a1215e3eaf33725d06e06dd48e7c19fc2ca5e4bd)</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(phrase, indicate, bargain, forward, fine, patch, lonely, thunder, viable, diary, device, vital, educate, boss, cabin, unknown, horn, prize, pistol, school, stereo, foam, kidney, august)</span>
<span class="hljs-comment">// Vector(symbol, cup, twelve, junk, maze, juice, table, ask, section, animal, fiscal, later, veteran, rice, inject, swing, horse, piece, pair, crop, security, fancy, napkin, patrol)</span>
</code></pre>
<p>Now that we have a <code>MnemonicCode</code> that was securely generated, we need to now create <code>KeyManagerParams</code> which tells us how to generate
generate specific kinds of addresses for wallets.</p>
@ -99,7 +99,7 @@ generate specific kinds of addresses for wallets.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//this will create a temp directory with the prefix 'key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called "encrypted-bitcoin-s-seed.json"</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">"key-manager-example"</span>).resolve(<span class="hljs-type">WalletStorage</span>.<span class="hljs-type">ENCRYPTED_SEED_FILE_NAME</span>)
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example10775126435081951787/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example1265766013668690460/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let's create a native segwit key manager</span>
<span class="hljs-keyword">val</span> purpose = <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>
@ -110,19 +110,19 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// network: RegTest.type = RegTest</span>
<span class="hljs-keyword">val</span> kmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, purpose, network)
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10775126435081951787/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1265766013668690460/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-keyword">val</span> aesPasswordOpt = <span class="hljs-type">Some</span>(<span class="hljs-type">AesPassword</span>.fromString(<span class="hljs-string">"password"</span>))
<span class="hljs-comment">// aesPasswordOpt: Some[AesPassword] = Some(Masked(AesPassword))</span>
<span class="hljs-keyword">val</span> km = <span class="hljs-type">BIP39KeyManager</span>.initializeWithMnemonic(aesPasswordOpt, mnemonic, <span class="hljs-type">None</span>, kmParams)
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@62021898)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@a532380)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYxt6F3KDqaW2XZvzpuU4VVsFMcg4jXYK8e1XX6GuTyzhLqvcL2FC4Vx9Urw6boq15ESoS4Motv8TFZn9XGkPtrsahnJvB17</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYxPz3FWuWpxNTkLQsjnK2HEResWyGyqcT5gZuR6n9gdJuYGRDLCiY6Vypgie12pn8V5WxUk1caexfozXs996AkyvCpTiYLq</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYxt6F3KDqaW2XZvzpuU4VVsFMcg4jXYK8e1XX6GuTyzhLqvcL2FC4Vx9Urw6boq15ESoS4Motv8TFZn9XGkPtrsahnJvB17</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYxPz3FWuWpxNTkLQsjnK2HEResWyGyqcT5gZuR6n9gdJuYGRDLCiY6Vypgie12pn8V5WxUk1caexfozXs996AkyvCpTiYLq</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -131,17 +131,17 @@ println(rootXPub)
again after initializing it once. You can use the same <code>mnemonic</code> for different networks, which you control <code>KeyManagerParams</code>.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//let's create a nested segwit key manager for mainnet</span>
<span class="hljs-keyword">val</span> mainnetKmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10775126435081951787/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1265766013668690460/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now, <span class="hljs-literal">false</span>)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6d20babf</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6c303ef4</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx9eZaUTifvt3DSWnbPS49wx8VCFcFZ3qM3GSXiw9xEdFRfkxKersh4RNUmKLSTFCcNu4Jr1s5rrrivZqrv2Lym8AG7amKMu</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx9ATNgfQMBLP9cvCeDkJgjKJnT6Wo1M8fUwUv3m2dwFrzN6mCxpQAeyCpb6sqgEyfdXmqGQ4oXPN9AnECnR3FfEVmDxWVtr</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZx9eZaUTifvt3DSWnbPS49wx8VCFcFZ3qM3GSXiw9xEdFRfkxKersh4RNUmKLSTFCcNu4Jr1s5rrrivZqrv2Lym8AG7amKMu</span>
<span class="hljs-comment">// zpub6jftahH18ngZx9ATNgfQMBLP9cvCeDkJgjKJnT6Wo1M8fUwUv3m2dwFrzN6mCxpQAeyCpb6sqgEyfdXmqGQ4oXPN9AnECnR3FfEVmDxWVtr</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

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

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0283dcab5110b46704c3f4d1fc6d8b7779f9ce50b74c41f38e6d1a4fa5a83baf0f)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(037e490963a93c7bd7b427e7426ba08e555a7ae03cc98ccde2113c7b626c7dd233)</span>
<span class="hljs-keyword">val</span> dataToSign = <span class="hljs-type">DoubleSha256Digest</span>.empty
<span class="hljs-comment">// dataToSign: DoubleSha256Digest = DoubleSha256Digest(0000000000000000000000000000000000000000000000000000000000000000)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> signature = privKey.sign(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402207928116936bd5cc6883e56c2ee6bfe7cbbe6614e8481f030e8cd0511d578c96702207a294c732e76c45b027166bb1090a84fedb6274422af133e85814c82cd514280)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100e11e4d4c5e3b80d8d4c1b5023428412bc32444adff44e7c7dd6a77d4fe9a3a4f02207aab4120344c893b50396b850d0f2a94943365ad1f3e47ac325a664c11132527)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)

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

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0283dcab5110b46704c3f4d1fc6d8b7779f9ce50b74c41f38e6d1a4fa5a83baf0f)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(037e490963a93c7bd7b427e7426ba08e555a7ae03cc98ccde2113c7b626c7dd233)</span>
<span class="hljs-keyword">val</span> dataToSign = <span class="hljs-type">DoubleSha256Digest</span>.empty
<span class="hljs-comment">// dataToSign: DoubleSha256Digest = DoubleSha256Digest(0000000000000000000000000000000000000000000000000000000000000000)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> signature = privKey.sign(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402207928116936bd5cc6883e56c2ee6bfe7cbbe6614e8481f030e8cd0511d578c96702207a294c732e76c45b027166bb1090a84fedb6274422af133e85814c82cd514280)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100e11e4d4c5e3b80d8d4c1b5023428412bc32444adff44e7c7dd6a77d4fe9a3a4f02207aab4120344c893b50396b850d0f2a94943365ad1f3e47ac325a664c11132527)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)