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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(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03b1544fb93018ce33f72ed6e041faffbd400ab65b5cbb6e2cf3c277860a9e6ecb)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03a45962f4bd818b74598442cbcfe3d5c53299cf819e7725beb24bfb0bcaaf25d4)</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 = tb1qm9fdvmla8e4msgtzh4tk6sc656yvh2d2a5ygg6</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qct6vmgzm02lqccu4um4dv9r88tc6uncu7s72vr</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qm9fdvmla8e4msgtzh4tk6sc656yvh2d2a5ygg6</span>
<span class="hljs-comment">// tb1qct6vmgzm02lqccu4um4dv9r88tc6uncu7s72vr</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 = n1L4ALn3N949rpV7RzP64NgSejagDMMNnM</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = myHneVhTo2zn17Vdb8ntvFUD3Ui8pwwWcc</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n1L4ALn3N949rpV7RzP64NgSejagDMMNnM</span>
<span class="hljs-comment">// myHneVhTo2zn17Vdb8ntvFUD3Ui8pwwWcc</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

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docs/next/core/addresses/index.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03b1544fb93018ce33f72ed6e041faffbd400ab65b5cbb6e2cf3c277860a9e6ecb)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03a45962f4bd818b74598442cbcfe3d5c53299cf819e7725beb24bfb0bcaaf25d4)</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 = tb1qm9fdvmla8e4msgtzh4tk6sc656yvh2d2a5ygg6</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qct6vmgzm02lqccu4um4dv9r88tc6uncu7s72vr</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qm9fdvmla8e4msgtzh4tk6sc656yvh2d2a5ygg6</span>
<span class="hljs-comment">// tb1qct6vmgzm02lqccu4um4dv9r88tc6uncu7s72vr</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 = n1L4ALn3N949rpV7RzP64NgSejagDMMNnM</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = myHneVhTo2zn17Vdb8ntvFUD3Ui8pwwWcc</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n1L4ALn3N949rpV7RzP64NgSejagDMMNnM</span>
<span class="hljs-comment">// myHneVhTo2zn17Vdb8ntvFUD3Ui8pwwWcc</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, 0xf612bc92381e8f6d5a0777c65063e0b9df418dc4bf68bd339373e4d2f12567ed)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x08b8b1fe64d2a8c3c3d07c09642de2e7f6c2e53ebda96ab147cca1a1769907ab)</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(voyage, nominee, cause, ice, trophy, repeat, gym, upon, shock, loan, wealth, inhale, village, shoulder, base, unfair, rule, orient, table, situate, congress, naive, panic, ritual) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(anger, sheriff, legend, situate, clever, giggle, aunt, auto, annual, cannon, judge, soup, history, income, wife, release, height, mechanic, veteran, drive, blast, erode, burger, junk) // 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 = zpub6jftahH18ngZyUUWDyeYHxP21XMWqbBLjAJ8TEmCBMjTX1DZ7q5sWnSSeLxaz3y3AUht8JDLfnZ3QUda1bbPBiQv7HbZqEhhHU6gt5bnUQL</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxXs1cvYQ8P6RaeFFzzQa3kri5Aq6NMPV5mrsbrdn5tTPjf4Ly4J7va1VRB12uD5Wtd25vK5G1jBKxHT69gmnWw87KtL11KX</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 = zpub6qTHYZv9PGHQCbS7MJ9WAvjfMFfTvX53KAFpV6nW2hRq9Ks8b8TSebsVNW29UYvK7rfgXSsBsVWCM91bdW7zZXxFq43pZD2tXKURG19jqcd</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rhWVQr6pHmasFpkECWPKhK2pFFM4ihuJbwVqzT3kFrsarn8M9i3TCVkqbwcUjsPSLyKeeEsKfg8tr6fzcYYMmLrtH4aLPk3Z6PP15NxDwN</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 = tb1qkzzll5w775kt8aaar4dmlx73qt96sewtfdv8re</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q88ajnkprca0dlln2yfnmxmmsyp90rzw6x8qy2w</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 = tb1qkzzll5w775kt8aaar4dmlx73qt96sewtfdv8re</span>
<span class="hljs-comment">// res2: String = tb1q88ajnkprca0dlln2yfnmxmmsyp90rzw6x8qy2w</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, 0xf612bc92381e8f6d5a0777c65063e0b9df418dc4bf68bd339373e4d2f12567ed)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x08b8b1fe64d2a8c3c3d07c09642de2e7f6c2e53ebda96ab147cca1a1769907ab)</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(voyage, nominee, cause, ice, trophy, repeat, gym, upon, shock, loan, wealth, inhale, village, shoulder, base, unfair, rule, orient, table, situate, congress, naive, panic, ritual) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(anger, sheriff, legend, situate, clever, giggle, aunt, auto, annual, cannon, judge, soup, history, income, wife, release, height, mechanic, veteran, drive, blast, erode, burger, junk) // 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 = zpub6jftahH18ngZyUUWDyeYHxP21XMWqbBLjAJ8TEmCBMjTX1DZ7q5sWnSSeLxaz3y3AUht8JDLfnZ3QUda1bbPBiQv7HbZqEhhHU6gt5bnUQL</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxXs1cvYQ8P6RaeFFzzQa3kri5Aq6NMPV5mrsbrdn5tTPjf4Ly4J7va1VRB12uD5Wtd25vK5G1jBKxHT69gmnWw87KtL11KX</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 = zpub6qTHYZv9PGHQCbS7MJ9WAvjfMFfTvX53KAFpV6nW2hRq9Ks8b8TSebsVNW29UYvK7rfgXSsBsVWCM91bdW7zZXxFq43pZD2tXKURG19jqcd</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rhWVQr6pHmasFpkECWPKhK2pFFM4ihuJbwVqzT3kFrsarn8M9i3TCVkqbwcUjsPSLyKeeEsKfg8tr6fzcYYMmLrtH4aLPk3Z6PP15NxDwN</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 = tb1qkzzll5w775kt8aaar4dmlx73qt96sewtfdv8re</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q88ajnkprca0dlln2yfnmxmmsyp90rzw6x8qy2w</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 = tb1qkzzll5w775kt8aaar4dmlx73qt96sewtfdv8re</span>
<span class="hljs-comment">// res2: String = tb1q88ajnkprca0dlln2yfnmxmmsyp90rzw6x8qy2w</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$$anon$3@f98d27[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 2870, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@4763f6bb[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 2870, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc)</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(4c20987d9b168162647e603a0870339e2b2a5316)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(8036360eff6be579c1fde043e2733bf2040fd30c)</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(4c20987d9b168162647e603a0870339e2b2a5316))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(8036360eff6be579c1fde043e2733bf2040fd30c))</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(ff9ba35bda6738039d91c5f4aacefe742d24ddf5)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7)</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(ff9ba35bda6738039d91c5f4aacefe742d24ddf5)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7)))</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(4c20987d9b168162647e603a0870339e2b2a5316))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8036360eff6be579c1fde043e2733bf2040fd30c))),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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0)</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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ff9ba35bda6738039d91c5f4aacefe742d24ddf5))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7))),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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),10000 sats,ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),10000 sats,ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(6022bb7809a0b8435c505b70caad4170654b27cb)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(76b020e9a8b47e991c420013bf4500de485f2074)</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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),10000 sats,ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27))),1 sats/byte,pkh(6022bb7809a0b8435c505b70caad4170654b27cb))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),10000 sats,ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc))),1 sats/byte,pkh(76b020e9a8b47e991c420013bf4500de485f2074))</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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ff9ba35bda6738039d91c5f4aacefe742d24ddf5)), TransactionOutput(4775 sats,pkh(6022bb7809a0b8435c505b70caad4170654b27cb))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7)), TransactionOutput(4775 sats,pkh(76b020e9a8b47e991c420013bf4500de485f2074))),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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),10000 sats,ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4c20987d9b168162647e603a0870339e2b2a5316))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),10000 sats,ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8036360eff6be579c1fde043e2733bf2040fd30c))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),10000 sats,ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4c20987d9b168162647e603a0870339e2b2a5316))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),10000 sats,ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8036360eff6be579c1fde043e2733bf2040fd30c))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The '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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),P2PKHScriptSignature(ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27), ECDigitalSignature(304402203e29c0da532014e98f2c5cb0b53dfbd7c976bdd5ea1c03a2d01c48fd0d288041022022d5d1e424406c74544a8d9f28ab2d24e800342102a67a751cda3307df1bd7a101)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ff9ba35bda6738039d91c5f4aacefe742d24ddf5)), TransactionOutput(4775 sats,pkh(6022bb7809a0b8435c505b70caad4170654b27cb))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),P2PKHScriptSignature(ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc), ECDigitalSignature(304402205cc323ae943cb637dae3d9f972e10b7dc83d03b5a4e598f42bdaea1e407347d702206040eb7ea68dfc403c31db20a18821d615c465eee58a430b58000b9efc03e98301)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7)), TransactionOutput(4775 sats,pkh(76b020e9a8b47e991c420013bf4500de485f2074))),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 = 02000000017772fa505b7299831ec9f120b5765de1bf8973003e0fe27e0945603b789c312c000000006a47304402203e29c0da532014e98f2c5cb0b53dfbd7c976bdd5ea1c03a2d01c48fd0d288041022022d5d1e424406c74544a8d9f28ab2d24e800342102a67a751cda3307df1bd7a1012103e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27000000000288130000000000001976a914ff9ba35bda6738039d91c5f4aacefe742d24ddf588aca7120000000000001976a9146022bb7809a0b8435c505b70caad4170654b27cb88ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000109bbf61c6bfd7e6656197c0ea535f7ea5ad44878621b9c16d1b00849f13cd374000000006a47304402205cc323ae943cb637dae3d9f972e10b7dc83d03b5a4e598f42bdaea1e407347d702206040eb7ea68dfc403c31db20a18821d615c465eee58a430b58000b9efc03e983012103b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc000000000288130000000000001976a914c07f7632af47b3988bcd4374472b6a6e9b9800a788aca7120000000000001976a91476b020e9a8b47e991c420013bf4500de485f207488ac00000000</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$$anon$3@f98d27[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 2870, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@4763f6bb[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 2870, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc)</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(4c20987d9b168162647e603a0870339e2b2a5316)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(8036360eff6be579c1fde043e2733bf2040fd30c)</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(4c20987d9b168162647e603a0870339e2b2a5316))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(8036360eff6be579c1fde043e2733bf2040fd30c))</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(ff9ba35bda6738039d91c5f4aacefe742d24ddf5)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7)</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(ff9ba35bda6738039d91c5f4aacefe742d24ddf5)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7)))</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(4c20987d9b168162647e603a0870339e2b2a5316))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8036360eff6be579c1fde043e2733bf2040fd30c))),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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0)</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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ff9ba35bda6738039d91c5f4aacefe742d24ddf5))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7))),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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),10000 sats,ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),10000 sats,ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(6022bb7809a0b8435c505b70caad4170654b27cb)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(76b020e9a8b47e991c420013bf4500de485f2074)</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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),10000 sats,ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27))),1 sats/byte,pkh(6022bb7809a0b8435c505b70caad4170654b27cb))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),10000 sats,ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc))),1 sats/byte,pkh(76b020e9a8b47e991c420013bf4500de485f2074))</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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ff9ba35bda6738039d91c5f4aacefe742d24ddf5)), TransactionOutput(4775 sats,pkh(6022bb7809a0b8435c505b70caad4170654b27cb))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7)), TransactionOutput(4775 sats,pkh(76b020e9a8b47e991c420013bf4500de485f2074))),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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),10000 sats,ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4c20987d9b168162647e603a0870339e2b2a5316))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),10000 sats,ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8036360eff6be579c1fde043e2733bf2040fd30c))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),10000 sats,ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4c20987d9b168162647e603a0870339e2b2a5316))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),10000 sats,ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8036360eff6be579c1fde043e2733bf2040fd30c))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The '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(2c319c783b6045097ee20f3e007389bfe15d76b520f1c91e8399725b50fa7277:0),P2PKHScriptSignature(ECPublicKey(03e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27), ECDigitalSignature(304402203e29c0da532014e98f2c5cb0b53dfbd7c976bdd5ea1c03a2d01c48fd0d288041022022d5d1e424406c74544a8d9f28ab2d24e800342102a67a751cda3307df1bd7a101)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ff9ba35bda6738039d91c5f4aacefe742d24ddf5)), TransactionOutput(4775 sats,pkh(6022bb7809a0b8435c505b70caad4170654b27cb))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(74d33cf14908b0d1169c1b627848d45aeaf735a50e7c1956667efd6b1cf6bb09:0),P2PKHScriptSignature(ECPublicKey(03b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc), ECDigitalSignature(304402205cc323ae943cb637dae3d9f972e10b7dc83d03b5a4e598f42bdaea1e407347d702206040eb7ea68dfc403c31db20a18821d615c465eee58a430b58000b9efc03e98301)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(c07f7632af47b3988bcd4374472b6a6e9b9800a7)), TransactionOutput(4775 sats,pkh(76b020e9a8b47e991c420013bf4500de485f2074))),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 = 02000000017772fa505b7299831ec9f120b5765de1bf8973003e0fe27e0945603b789c312c000000006a47304402203e29c0da532014e98f2c5cb0b53dfbd7c976bdd5ea1c03a2d01c48fd0d288041022022d5d1e424406c74544a8d9f28ab2d24e800342102a67a751cda3307df1bd7a1012103e4e317fd4bbecb51417396e3bfaff3ac35f36072cebe498e39c571436f3c9f27000000000288130000000000001976a914ff9ba35bda6738039d91c5f4aacefe742d24ddf588aca7120000000000001976a9146022bb7809a0b8435c505b70caad4170654b27cb88ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000109bbf61c6bfd7e6656197c0ea535f7ea5ad44878621b9c16d1b00849f13cd374000000006a47304402205cc323ae943cb637dae3d9f972e10b7dc83d03b5a4e598f42bdaea1e407347d702206040eb7ea68dfc403c31db20a18821d615c465eee58a430b58000b9efc03e983012103b4dac3ad32d9f131c554d29843ecb22ae150c98cec43e9f865f65cbc8cda5abc000000000288130000000000001976a914c07f7632af47b3988bcd4374472b6a6e9b9800a788aca7120000000000001976a91476b020e9a8b47e991c420013bf4500de485f207488ac00000000</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(304402207077c1ed18bfd115bd211410e238d6d7dff282dc6b035c687b5215c6f85525d2022079567f0c83516a7bb58f7ba5ff342a61a998aa71f5a05a00992b0fa2a20f0f64)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30440220572d1985030d06089509d9c17abd57d330a25d9ad51565f7dea3cbfb0423ee4e0220458430e6855aab842225971f4f3d4f692f7c957fad48f3c31a0697f5f4aa9139)</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(3045022100fb7708efef7415af0b6fe41c08bb03e8cd9d3d613f8eecb0ed6ac15cb5cd7f590220410c1f0cd3976240e9e7cc87870c075e478b02f2af08646ec909c0d8bdddd18c)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402202e788c549794f01fa7729705e62a3db42d34b9b410e67668bba0221db92b6d7a02205ac612628d9b559c470b045a1f665121fe20f254e8a631e0200aa6c3e605bf2b)</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(304402207077c1ed18bfd115bd211410e238d6d7dff282dc6b035c687b5215c6f85525d2022079567f0c83516a7bb58f7ba5ff342a61a998aa71f5a05a00992b0fa2a20f0f64)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30440220572d1985030d06089509d9c17abd57d330a25d9ad51565f7dea3cbfb0423ee4e0220458430e6855aab842225971f4f3d4f692f7c957fad48f3c31a0697f5f4aa9139)</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(3045022100fb7708efef7415af0b6fe41c08bb03e8cd9d3d613f8eecb0ed6ac15cb5cd7f590220410c1f0cd3976240e9e7cc87870c075e478b02f2af08646ec909c0d8bdddd18c)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402202e788c549794f01fa7729705e62a3db42d34b9b410e67668bba0221db92b6d7a02205ac612628d9b559c470b045a1f665121fe20f254e8a631e0200aa6c3e605bf2b)</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

@ -123,7 +123,7 @@ 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>0.6.0-7-63a6f930-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.6.0-8-b854f7b1-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

@ -123,7 +123,7 @@ 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>0.6.0-7-63a6f930-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.6.0-8-b854f7b1-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, 0x0040a3c896cd2dcb1ca3d63ec6776ba30108a6f48524ea004aa18a72fc623e67)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x27b9111ea2a636bd13e8a0a218ee2acc9ae65b3e0734aa9ca3fe5af88281fea9)</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(able, agree, vendor, collect, spot, tortoise, income, kiss, disagree, crisp, sustain, ecology, awesome, fat, spirit, pig, tube, across, position, belt, cool, country, wet, thrive)</span>
<span class="hljs-comment">// Vector(chicken, silk, element, earn, gloom, future, exile, beef, pear, shuffle, melt, odor, purpose, collect, way, track, pride, topic, zebra, remove, market, domain, wide, charge)</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-example8850121732060699786/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example14986511527385836261/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-example8850121732060699786/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example14986511527385836261/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@26ad6a54)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@15df326b)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaAzoCRwBaZyWzkUdxNUGjtfmbdGXSuKe4EKQLRvTAKDgZ6n7MtBJpNh14NC1XzNM6QbPMU7TZrzHH6fb6fPjq2rFMkgayiW</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYib5wuLfEpZcaBXBMDWbv7qQ3RywWxhAZ2fcwX6uACF9WBRUFhR6ujBLvwwWdw1AruQR4JBXjYv2iQFy241LJa9uqXv1nTm</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeaAzoCRwBaZyWzkUdxNUGjtfmbdGXSuKe4EKQLRvTAKDgZ6n7MtBJpNh14NC1XzNM6QbPMU7TZrzHH6fb6fPjq2rFMkgayiW</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYib5wuLfEpZcaBXBMDWbv7qQ3RywWxhAZ2fcwX6uACF9WBRUFhR6ujBLvwwWdw1AruQR4JBXjYv2iQFy241LJa9uqXv1nTm</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-example8850121732060699786/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example14986511527385836261/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@3989edf</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@916eb20</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyMmGXs5gQvMXgd4RirSGQLkejCr4xvqAGdaKM4aheZrEdvcTMWnzSwAE4GaFNdnYdZ3eEFmWkoigkTTHSJfguw6pv59DKp5</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwuMZHLVA5AwdG46y7hUbaZvHB1ZV2zCgmRvXx9m9eSshb1FpFL2nYHeZvrKkUaRNQ3rfw5qavVeSBm3fMhHHPUQVPnKv4WC</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyMmGXs5gQvMXgd4RirSGQLkejCr4xvqAGdaKM4aheZrEdvcTMWnzSwAE4GaFNdnYdZ3eEFmWkoigkTTHSJfguw6pv59DKp5</span>
<span class="hljs-comment">// zpub6jftahH18ngZwuMZHLVA5AwdG46y7hUbaZvHB1ZV2zCgmRvXx9m9eSshb1FpFL2nYHeZvrKkUaRNQ3rfw5qavVeSBm3fMhHHPUQVPnKv4WC</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, 0x0040a3c896cd2dcb1ca3d63ec6776ba30108a6f48524ea004aa18a72fc623e67)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x27b9111ea2a636bd13e8a0a218ee2acc9ae65b3e0734aa9ca3fe5af88281fea9)</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(able, agree, vendor, collect, spot, tortoise, income, kiss, disagree, crisp, sustain, ecology, awesome, fat, spirit, pig, tube, across, position, belt, cool, country, wet, thrive)</span>
<span class="hljs-comment">// Vector(chicken, silk, element, earn, gloom, future, exile, beef, pear, shuffle, melt, odor, purpose, collect, way, track, pride, topic, zebra, remove, market, domain, wide, charge)</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-example8850121732060699786/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example14986511527385836261/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-example8850121732060699786/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example14986511527385836261/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@26ad6a54)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@15df326b)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaAzoCRwBaZyWzkUdxNUGjtfmbdGXSuKe4EKQLRvTAKDgZ6n7MtBJpNh14NC1XzNM6QbPMU7TZrzHH6fb6fPjq2rFMkgayiW</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYib5wuLfEpZcaBXBMDWbv7qQ3RywWxhAZ2fcwX6uACF9WBRUFhR6ujBLvwwWdw1AruQR4JBXjYv2iQFy241LJa9uqXv1nTm</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeaAzoCRwBaZyWzkUdxNUGjtfmbdGXSuKe4EKQLRvTAKDgZ6n7MtBJpNh14NC1XzNM6QbPMU7TZrzHH6fb6fPjq2rFMkgayiW</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYib5wuLfEpZcaBXBMDWbv7qQ3RywWxhAZ2fcwX6uACF9WBRUFhR6ujBLvwwWdw1AruQR4JBXjYv2iQFy241LJa9uqXv1nTm</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-example8850121732060699786/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example14986511527385836261/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@3989edf</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@916eb20</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyMmGXs5gQvMXgd4RirSGQLkejCr4xvqAGdaKM4aheZrEdvcTMWnzSwAE4GaFNdnYdZ3eEFmWkoigkTTHSJfguw6pv59DKp5</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwuMZHLVA5AwdG46y7hUbaZvHB1ZV2zCgmRvXx9m9eSshb1FpFL2nYHeZvrKkUaRNQ3rfw5qavVeSBm3fMhHHPUQVPnKv4WC</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyMmGXs5gQvMXgd4RirSGQLkejCr4xvqAGdaKM4aheZrEdvcTMWnzSwAE4GaFNdnYdZ3eEFmWkoigkTTHSJfguw6pv59DKp5</span>
<span class="hljs-comment">// zpub6jftahH18ngZwuMZHLVA5AwdG46y7hUbaZvHB1ZV2zCgmRvXx9m9eSshb1FpFL2nYHeZvrKkUaRNQ3rfw5qavVeSBm3fMhHHPUQVPnKv4WC</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(ECPrivateKeyImpl)</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(028e63804cee35fac3d75fb6e1ccfb63ac8476410f3161e7703cfd042800973ff0)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03941d06c6533bbe8350f6d455b4515e2f31f5593be4db88470aa0e80eb152c1ed)</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(30450221009848438a5ba6165287bdf972e7ddccbac6a03b753e66b0dcfeecff966f736d4402205d2a9fbd1463ccaf134e95a62c8d12987eb504eb49ae839299642c1ebb496814)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30440220294bb67c29d3fed01f91d4a1d12f1f32b617da9299949730b50608d9d989c267022070e6dc3e5aa37f529340a00fb8986fc683ab00044da792bffd7fc694d4beff82)</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(ECPrivateKeyImpl)</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(028e63804cee35fac3d75fb6e1ccfb63ac8476410f3161e7703cfd042800973ff0)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03941d06c6533bbe8350f6d455b4515e2f31f5593be4db88470aa0e80eb152c1ed)</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(30450221009848438a5ba6165287bdf972e7ddccbac6a03b753e66b0dcfeecff966f736d4402205d2a9fbd1463ccaf134e95a62c8d12987eb504eb49ae839299642c1ebb496814)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30440220294bb67c29d3fed01f91d4a1d12f1f32b617da9299949730b50608d9d989c267022070e6dc3e5aa37f529340a00fb8986fc683ab00044da792bffd7fc694d4beff82)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)