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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(0398283287de60363bdc74bf5b896f035f93595c2dade2274a6f88e07ee037e9c3)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0218a0bc9b37437b1569fa466f6bd8a51e4c64a35b31470809dce469cd9fb15007)</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 = tb1qns43uja77pdd5rvmvyygl89t3fn04kp7hl9vyf</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qavf7jphn3x2j78w93v43ue4zwy0lhhm89d4zer</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qns43uja77pdd5rvmvyygl89t3fn04kp7hl9vyf</span>
<span class="hljs-comment">// tb1qavf7jphn3x2j78w93v43ue4zwy0lhhm89d4zer</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 = mukhMtqczY7BAQSnPi86ijrna1tP88pWVT</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n2wvwXK8eM7YARkEeg6tjmhDb6Jpxba5Mi</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mukhMtqczY7BAQSnPi86ijrna1tP88pWVT</span>
<span class="hljs-comment">// n2wvwXK8eM7YARkEeg6tjmhDb6Jpxba5Mi</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

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@ -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(0398283287de60363bdc74bf5b896f035f93595c2dade2274a6f88e07ee037e9c3)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0218a0bc9b37437b1569fa466f6bd8a51e4c64a35b31470809dce469cd9fb15007)</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 = tb1qns43uja77pdd5rvmvyygl89t3fn04kp7hl9vyf</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qavf7jphn3x2j78w93v43ue4zwy0lhhm89d4zer</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qns43uja77pdd5rvmvyygl89t3fn04kp7hl9vyf</span>
<span class="hljs-comment">// tb1qavf7jphn3x2j78w93v43ue4zwy0lhhm89d4zer</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 = mukhMtqczY7BAQSnPi86ijrna1tP88pWVT</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n2wvwXK8eM7YARkEeg6tjmhDb6Jpxba5Mi</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mukhMtqczY7BAQSnPi86ijrna1tP88pWVT</span>
<span class="hljs-comment">// n2wvwXK8eM7YARkEeg6tjmhDb6Jpxba5Mi</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
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@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xdf207ccf05241f8fc3d2987ca30724258ed1b5ec6148d6a76e5a753b64d79064)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x7a10a001fbb2785205049777f990cc55ead9c31ea84918c412d049cfb83580d5)</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(tennis, advance, critic, apart, draft, side, aunt, fantasy, lake, blouse, simple, enrich, unfair, sustain, ranch, cinnamon, stove, derive, notable, tuna, rent, hint, dose, opera) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(key, lunar, about, wash, chest, cinnamon, beef, napkin, jewel, smart, credit, profit, pulse, thunder, kingdom, ankle, boat, calm, reduce, near, wine, bracket, addict, pyramid) // 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 = zpub6jftahH18ngZyMEwCMjFD21mhPC5SJ7XUt4kMhqTEBi1JSy9A3KRKsq5trjhUAXK9D2Wh545v9wbMvnANzXGQpQQ7Far7XWhavj1PkQidtU</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxqZ2qcCwFvbZtpAykGUYw3Hx3E2Hn6uXuP6XtRzi8D76MFuXbpq3RiNDKgyL8t1y5MBoTASX2dPDDRQcPPAENejn2VRCv6C</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 = zpub6s4YueVHwPK8hgZSD97DoLKmrTPf71uhnRY4oypbZMKJgXP7zdvfyMEMWWBsYedf7GzbNAXjFmJG4FGRruSz6XJdvR2PVAS3NX8drsPyw95</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qKokjHLkn6iv1igs9c7TLLM5JBhsiKHwsbBTsxNTFxjtAgchU4mmu8vh6wAbBz93GVAaHmr8ZwaFq3x5XdHRpZwpPhqbX4P13DF1nXBJqw</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 = tb1qsadla59apcdnf6uexta2feus2zhxhnr32pj6e4</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q0guk6qwxzxnsmvevr84c65mmymwh74shnvqflq</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 = tb1qsadla59apcdnf6uexta2feus2zhxhnr32pj6e4</span>
<span class="hljs-comment">// res2: String = tb1q0guk6qwxzxnsmvevr84c65mmymwh74shnvqflq</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, 0xdf207ccf05241f8fc3d2987ca30724258ed1b5ec6148d6a76e5a753b64d79064)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x7a10a001fbb2785205049777f990cc55ead9c31ea84918c412d049cfb83580d5)</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(tennis, advance, critic, apart, draft, side, aunt, fantasy, lake, blouse, simple, enrich, unfair, sustain, ranch, cinnamon, stove, derive, notable, tuna, rent, hint, dose, opera) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(key, lunar, about, wash, chest, cinnamon, beef, napkin, jewel, smart, credit, profit, pulse, thunder, kingdom, ankle, boat, calm, reduce, near, wine, bracket, addict, pyramid) // 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 = zpub6jftahH18ngZyMEwCMjFD21mhPC5SJ7XUt4kMhqTEBi1JSy9A3KRKsq5trjhUAXK9D2Wh545v9wbMvnANzXGQpQQ7Far7XWhavj1PkQidtU</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxqZ2qcCwFvbZtpAykGUYw3Hx3E2Hn6uXuP6XtRzi8D76MFuXbpq3RiNDKgyL8t1y5MBoTASX2dPDDRQcPPAENejn2VRCv6C</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 = zpub6s4YueVHwPK8hgZSD97DoLKmrTPf71uhnRY4oypbZMKJgXP7zdvfyMEMWWBsYedf7GzbNAXjFmJG4FGRruSz6XJdvR2PVAS3NX8drsPyw95</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qKokjHLkn6iv1igs9c7TLLM5JBhsiKHwsbBTsxNTFxjtAgchU4mmu8vh6wAbBz93GVAaHmr8ZwaFq3x5XdHRpZwpPhqbX4P13DF1nXBJqw</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 = tb1qsadla59apcdnf6uexta2feus2zhxhnr32pj6e4</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q0guk6qwxzxnsmvevr84c65mmymwh74shnvqflq</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 = tb1qsadla59apcdnf6uexta2feus2zhxhnr32pj6e4</span>
<span class="hljs-comment">// res2: String = tb1q0guk6qwxzxnsmvevr84c65mmymwh74shnvqflq</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$$anon$3@51b9a41b[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@257b303[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(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2)</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(d7381680cb3797fea92371ac73022d707aa8032e)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7)</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(d7381680cb3797fea92371ac73022d707aa8032e))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7))</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(e3227bcbc2fd88425362ec187a0f7155049a1a1e)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84)</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(e3227bcbc2fd88425362ec187a0f7155049a1a1e)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84)))</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(d7381680cb3797fea92371ac73022d707aa8032e))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7))),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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e: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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e: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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e3227bcbc2fd88425362ec187a0f7155049a1a1e))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84))),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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),10000 sats,ECPublicKey(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),10000 sats,ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2))</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(4c21129c8079e6bd7c2c6e44aa6361a9f4ee7d42)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(9d255c086b6d4a99417ee0552dd4eacc3d0dd6d9)</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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),10000 sats,ECPublicKey(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784))),1 sats/byte,pkh(4c21129c8079e6bd7c2c6e44aa6361a9f4ee7d42))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),10000 sats,ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2))),1 sats/byte,pkh(9d255c086b6d4a99417ee0552dd4eacc3d0dd6d9))</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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e3227bcbc2fd88425362ec187a0f7155049a1a1e)), TransactionOutput(4775 sats,pkh(4c21129c8079e6bd7c2c6e44aa6361a9f4ee7d42))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84)), TransactionOutput(4775 sats,pkh(9d255c086b6d4a99417ee0552dd4eacc3d0dd6d9))),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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),10000 sats,ECPublicKey(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(d7381680cb3797fea92371ac73022d707aa8032e))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),10000 sats,ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),10000 sats,ECPublicKey(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(d7381680cb3797fea92371ac73022d707aa8032e))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),10000 sats,ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784)), ECDigitalSignature(304402204e67f9a460f032e833d3255e50f51f5857d144b20792fb1c4b4fed4a355efa3f02207f5fe7c2891ef14a9d54abaa57b31e5336877de887dbf18a2cb0a7f2857b1bee01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e3227bcbc2fd88425362ec187a0f7155049a1a1e)), TransactionOutput(4775 sats,pkh(4c21129c8079e6bd7c2c6e44aa6361a9f4ee7d42))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2)), ECDigitalSignature(304302206bcccc4a876b8e51ad7df9768b89df47848491e25c4ae0f131b39cdb48562dab021f3982348792115e4a2263f2cd32eaee3910a0f402141c671d8f0422ab24519301)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84)), TransactionOutput(4775 sats,pkh(9d255c086b6d4a99417ee0552dd4eacc3d0dd6d9))),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 = 02000000012fd2f791b4893cc5a4d0a2a02acfdb09c40b3e22ad96c789b32bb4c4a9dcbfd5000000006a47304402204e67f9a460f032e833d3255e50f51f5857d144b20792fb1c4b4fed4a355efa3f02207f5fe7c2891ef14a9d54abaa57b31e5336877de887dbf18a2cb0a7f2857b1bee01210345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784000000000288130000000000001976a914e3227bcbc2fd88425362ec187a0f7155049a1a1e88aca7120000000000001976a9144c21129c8079e6bd7c2c6e44aa6361a9f4ee7d4288ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000015eb18c43c7e8054eb8f7894b062ea5eb85b68cff0ca6740cb56d3f2a595e2c54000000006946304302206bcccc4a876b8e51ad7df9768b89df47848491e25c4ae0f131b39cdb48562dab021f3982348792115e4a2263f2cd32eaee3910a0f402141c671d8f0422ab2451930121024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2000000000288130000000000001976a9140bc6d99e9b9565131ae1a5b34436f3ac366c6b8488aca7120000000000001976a9149d255c086b6d4a99417ee0552dd4eacc3d0dd6d988ac00000000</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$$anon$3@51b9a41b[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@257b303[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(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2)</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(d7381680cb3797fea92371ac73022d707aa8032e)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7)</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(d7381680cb3797fea92371ac73022d707aa8032e))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7))</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(e3227bcbc2fd88425362ec187a0f7155049a1a1e)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84)</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(e3227bcbc2fd88425362ec187a0f7155049a1a1e)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84)))</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(d7381680cb3797fea92371ac73022d707aa8032e))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7))),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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e: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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e: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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e3227bcbc2fd88425362ec187a0f7155049a1a1e))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84))),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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),10000 sats,ECPublicKey(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),10000 sats,ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2))</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(4c21129c8079e6bd7c2c6e44aa6361a9f4ee7d42)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(9d255c086b6d4a99417ee0552dd4eacc3d0dd6d9)</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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),10000 sats,ECPublicKey(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784))),1 sats/byte,pkh(4c21129c8079e6bd7c2c6e44aa6361a9f4ee7d42))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),10000 sats,ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2))),1 sats/byte,pkh(9d255c086b6d4a99417ee0552dd4eacc3d0dd6d9))</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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e3227bcbc2fd88425362ec187a0f7155049a1a1e)), TransactionOutput(4775 sats,pkh(4c21129c8079e6bd7c2c6e44aa6361a9f4ee7d42))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84)), TransactionOutput(4775 sats,pkh(9d255c086b6d4a99417ee0552dd4eacc3d0dd6d9))),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(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),10000 sats,ECPublicKey(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(d7381680cb3797fea92371ac73022d707aa8032e))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),10000 sats,ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),10000 sats,ECPublicKey(0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(d7381680cb3797fea92371ac73022d707aa8032e))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),10000 sats,ECPublicKey(024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(fce8d8dab09bf85ae8e24b3b62c6697c528976b7))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(d5bfdca9c4b42bb389c796ad223e0bc409dbcf2aa0a2d0a4c53c89b491f7d22f:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784)), ECDigitalSignature(304402204e67f9a460f032e833d3255e50f51f5857d144b20792fb1c4b4fed4a355efa3f02207f5fe7c2891ef14a9d54abaa57b31e5336877de887dbf18a2cb0a7f2857b1bee01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e3227bcbc2fd88425362ec187a0f7155049a1a1e)), TransactionOutput(4775 sats,pkh(4c21129c8079e6bd7c2c6e44aa6361a9f4ee7d42))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(542c5e592a3f6db50c74a60cff8cb685eba52e064b89f7b84e05e8c7438cb15e:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2)), ECDigitalSignature(304302206bcccc4a876b8e51ad7df9768b89df47848491e25c4ae0f131b39cdb48562dab021f3982348792115e4a2263f2cd32eaee3910a0f402141c671d8f0422ab24519301)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0bc6d99e9b9565131ae1a5b34436f3ac366c6b84)), TransactionOutput(4775 sats,pkh(9d255c086b6d4a99417ee0552dd4eacc3d0dd6d9))),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 = 02000000012fd2f791b4893cc5a4d0a2a02acfdb09c40b3e22ad96c789b32bb4c4a9dcbfd5000000006a47304402204e67f9a460f032e833d3255e50f51f5857d144b20792fb1c4b4fed4a355efa3f02207f5fe7c2891ef14a9d54abaa57b31e5336877de887dbf18a2cb0a7f2857b1bee01210345160c3bc56689275e7fb6637bed076cd3883060afa12559ccf0c5512b209784000000000288130000000000001976a914e3227bcbc2fd88425362ec187a0f7155049a1a1e88aca7120000000000001976a9144c21129c8079e6bd7c2c6e44aa6361a9f4ee7d4288ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000015eb18c43c7e8054eb8f7894b062ea5eb85b68cff0ca6740cb56d3f2a595e2c54000000006946304302206bcccc4a876b8e51ad7df9768b89df47848491e25c4ae0f131b39cdb48562dab021f3982348792115e4a2263f2cd32eaee3910a0f402141c671d8f0422ab2451930121024d4ae50b3c63aee3fe09ef174ceca898d6271a1e1d4f0c4feb6b48baef6bf5e2000000000288130000000000001976a9140bc6d99e9b9565131ae1a5b34436f3ac366c6b8488aca7120000000000001976a9149d255c086b6d4a99417ee0552dd4eacc3d0dd6d988ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/dlc"><span class="arrow-prev">← </span><span>Discreet Log Contract Data Structures</span></a><a class="docs-next button" href="/docs/next/core/lightning-network"><span>Lightning Network Data Types</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

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

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30450221009c331e572b5dcb36012391edf41a262c6da957bf423e4fb1559e89ed26b28156022046103b09fadc3e0245cbafd5da71cbebaaa6e1b48401c4328009ffedbada076c)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100d0f6d9d75218c38ec940efda9e727cda7674181da92ec2e50122c6053cda05b4022054d323c7bb1060bbe6cbfdcbbf68ab02ab18de14fa98eaa91a5c487302926b77)</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(304402203ab92f07873559343209f5b8110adac8ed917b54a9a1fb52323ca01a7e24c5ff02201faf9902a4b5b082e1b2930e5c7467d2235136c5ab772c19de00d6ae9835f35d)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402204cd9ffedf891ad055a0a43a43a7fed4ac9cb4e7ef940b36d43b50504b76a8675022005f7bf4b9dcbfd8b514ebe0111fcfb751fbe9e53ca61be06a6c9fe99f2947cc3)</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(30450221009c331e572b5dcb36012391edf41a262c6da957bf423e4fb1559e89ed26b28156022046103b09fadc3e0245cbafd5da71cbebaaa6e1b48401c4328009ffedbada076c)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100d0f6d9d75218c38ec940efda9e727cda7674181da92ec2e50122c6053cda05b4022054d323c7bb1060bbe6cbfdcbbf68ab02ab18de14fa98eaa91a5c487302926b77)</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(304402203ab92f07873559343209f5b8110adac8ed917b54a9a1fb52323ca01a7e24c5ff02201faf9902a4b5b082e1b2930e5c7467d2235136c5ab772c19de00d6ae9835f35d)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402204cd9ffedf891ad055a0a43a43a7fed4ac9cb4e7ef940b36d43b50504b76a8675022005f7bf4b9dcbfd8b514ebe0111fcfb751fbe9e53ca61be06a6c9fe99f2947cc3)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

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

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.7.0-22-62a8897d-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.7.0-23-ea1ead9a-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

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

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.7.0-22-62a8897d-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.7.0-23-ea1ead9a-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
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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, 0x7638bbc4443b7610285196f99f4e08e8604958d445e3bbb8a0e93227b1f0ddcb)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x80520a08a5bd0802efd310b134cdd45af1e8279023f4e9e05cbdfbe2daff6f23)</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(involve, shift, valve, mask, resist, amount, pattern, crazy, wet, whip, lion, speak, afraid, property, extra, round, roof, shallow, demise, gold, kitchen, wear, jaguar, inch)</span>
<span class="hljs-comment">// Vector(leopard, motion, lion, enter, spatial, accident, satisfy, ginger, raise, please, insect, remove, burden, because, dog, leader, try, actual, control, water, color, leisure, route, holiday)</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-example6012791441788326194/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example13810951810589362847/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-example6012791441788326194/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example13810951810589362847/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@707cd9a2)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@7eb66ff2)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ4AWrwQVqaQpofHJ4iHTJBtbGVtMC4GjGqqFWMKn13SBiY3qNyvZryc2RrUqTEUwsVywWMTH9vh9FaEkysFFjApnNyBCn63</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZNP1xoibF2QZd9moM42eiQoRDB2cMxcg2mD6JffgSWUztvEskdcrbNfFJcBLkeT5rTYyo3ydnANsJe6CBTLCzq9YY4CL8x7</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ4AWrwQVqaQpofHJ4iHTJBtbGVtMC4GjGqqFWMKn13SBiY3qNyvZryc2RrUqTEUwsVywWMTH9vh9FaEkysFFjApnNyBCn63</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZNP1xoibF2QZd9moM42eiQoRDB2cMxcg2mD6JffgSWUztvEskdcrbNfFJcBLkeT5rTYyo3ydnANsJe6CBTLCzq9YY4CL8x7</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-example6012791441788326194/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example13810951810589362847/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@da9cdbd</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@49790438</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxEvzCNYzfvnqVXs5qCFSxdyUQ5Tti5nFVF6AWyz2VJ4joMtBNcYFVY5FRks5Hsu9QeSCP97LLsRYiw2TKWXCp55MwGCcuhd</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxZ9VJEs65NnaK2Mb7XzeNrtJLkc9sz8CFAU1KJKvvm7Yyk5DkGEYDw8UJWZabHsHPc1Efqdgy77GmzstX6cA5jQ86NjVxDP</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxEvzCNYzfvnqVXs5qCFSxdyUQ5Tti5nFVF6AWyz2VJ4joMtBNcYFVY5FRks5Hsu9QeSCP97LLsRYiw2TKWXCp55MwGCcuhd</span>
<span class="hljs-comment">// zpub6jftahH18ngZxZ9VJEs65NnaK2Mb7XzeNrtJLkc9sz8CFAU1KJKvvm7Yyk5DkGEYDw8UJWZabHsHPc1Efqdgy77GmzstX6cA5jQ86NjVxDP</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, 0x7638bbc4443b7610285196f99f4e08e8604958d445e3bbb8a0e93227b1f0ddcb)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x80520a08a5bd0802efd310b134cdd45af1e8279023f4e9e05cbdfbe2daff6f23)</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(involve, shift, valve, mask, resist, amount, pattern, crazy, wet, whip, lion, speak, afraid, property, extra, round, roof, shallow, demise, gold, kitchen, wear, jaguar, inch)</span>
<span class="hljs-comment">// Vector(leopard, motion, lion, enter, spatial, accident, satisfy, ginger, raise, please, insect, remove, burden, because, dog, leader, try, actual, control, water, color, leisure, route, holiday)</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-example6012791441788326194/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example13810951810589362847/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-example6012791441788326194/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example13810951810589362847/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@707cd9a2)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@7eb66ff2)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ4AWrwQVqaQpofHJ4iHTJBtbGVtMC4GjGqqFWMKn13SBiY3qNyvZryc2RrUqTEUwsVywWMTH9vh9FaEkysFFjApnNyBCn63</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZNP1xoibF2QZd9moM42eiQoRDB2cMxcg2mD6JffgSWUztvEskdcrbNfFJcBLkeT5rTYyo3ydnANsJe6CBTLCzq9YY4CL8x7</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ4AWrwQVqaQpofHJ4iHTJBtbGVtMC4GjGqqFWMKn13SBiY3qNyvZryc2RrUqTEUwsVywWMTH9vh9FaEkysFFjApnNyBCn63</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZNP1xoibF2QZd9moM42eiQoRDB2cMxcg2mD6JffgSWUztvEskdcrbNfFJcBLkeT5rTYyo3ydnANsJe6CBTLCzq9YY4CL8x7</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-example6012791441788326194/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example13810951810589362847/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@da9cdbd</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@49790438</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxEvzCNYzfvnqVXs5qCFSxdyUQ5Tti5nFVF6AWyz2VJ4joMtBNcYFVY5FRks5Hsu9QeSCP97LLsRYiw2TKWXCp55MwGCcuhd</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxZ9VJEs65NnaK2Mb7XzeNrtJLkc9sz8CFAU1KJKvvm7Yyk5DkGEYDw8UJWZabHsHPc1Efqdgy77GmzstX6cA5jQ86NjVxDP</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxEvzCNYzfvnqVXs5qCFSxdyUQ5Tti5nFVF6AWyz2VJ4joMtBNcYFVY5FRks5Hsu9QeSCP97LLsRYiw2TKWXCp55MwGCcuhd</span>
<span class="hljs-comment">// zpub6jftahH18ngZxZ9VJEs65NnaK2Mb7XzeNrtJLkc9sz8CFAU1KJKvvm7Yyk5DkGEYDw8UJWZabHsHPc1Efqdgy77GmzstX6cA5jQ86NjVxDP</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

4
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View file

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(024e9fe30b132d49d758765c9fe37e73aa1d0fa5561f442f52d51f88065f27e528)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02f66789a9a14fe1e78760555a38e6771de478ea3c8d8dfe96a15022d6a3cd5666)</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(3045022100b06f2bd45e43869f96f78eb95bb4d7cd0a864677d0ce63d70d3ff2755a6a2c0f022031ccc3ca672a0823672651970b487e55a82ef44dc507b65cd4edaaf712f2f76c)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022070f1243e8c60cdfb136de76bec9a0d9fc706b5df73b207921714fab8a179264e02204e43a4f0593da9241f15c54a1b7fd52f7bb51bcbf30df7f01f027114d27dca3c)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)

4
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View file

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(024e9fe30b132d49d758765c9fe37e73aa1d0fa5561f442f52d51f88065f27e528)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02f66789a9a14fe1e78760555a38e6771de478ea3c8d8dfe96a15022d6a3cd5666)</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(3045022100b06f2bd45e43869f96f78eb95bb4d7cd0a864677d0ce63d70d3ff2755a6a2c0f022031ccc3ca672a0823672651970b487e55a82ef44dc507b65cd4edaaf712f2f76c)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022070f1243e8c60cdfb136de76bec9a0d9fc706b5df73b207921714fab8a179264e02204e43a4f0593da9241f15c54a1b7fd52f7bb51bcbf30df7f01f027114d27dca3c)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)