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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(0366ae41d44549625df547e30b31e4e0dc2ecfe632441404a0c48069ccef353623)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02d345a7dc4dfab2741c1c8637da68a70484bce02579d08493f2c6a1c216c4b12f)</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 = tb1qry44zcm8wqxcudke9j4pyegmwkrmyrnvjmyg0k</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1quy69kqjq8mh8f0nhrjmq4gyvhmtayxjmvfympu</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qry44zcm8wqxcudke9j4pyegmwkrmyrnvjmyg0k</span>
<span class="hljs-comment">// tb1quy69kqjq8mh8f0nhrjmq4gyvhmtayxjmvfympu</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 = mhp35dbm3LiuiassZW3S6DxWU1zLh3JhBr</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n23j3wUPoyhtodBfLsjGCeYZfuNaAwcv7J</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mhp35dbm3LiuiassZW3S6DxWU1zLh3JhBr</span>
<span class="hljs-comment">// n23j3wUPoyhtodBfLsjGCeYZfuNaAwcv7J</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(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0366ae41d44549625df547e30b31e4e0dc2ecfe632441404a0c48069ccef353623)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02d345a7dc4dfab2741c1c8637da68a70484bce02579d08493f2c6a1c216c4b12f)</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 = tb1qry44zcm8wqxcudke9j4pyegmwkrmyrnvjmyg0k</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1quy69kqjq8mh8f0nhrjmq4gyvhmtayxjmvfympu</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qry44zcm8wqxcudke9j4pyegmwkrmyrnvjmyg0k</span>
<span class="hljs-comment">// tb1quy69kqjq8mh8f0nhrjmq4gyvhmtayxjmvfympu</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 = mhp35dbm3LiuiassZW3S6DxWU1zLh3JhBr</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n23j3wUPoyhtodBfLsjGCeYZfuNaAwcv7J</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mhp35dbm3LiuiassZW3S6DxWU1zLh3JhBr</span>
<span class="hljs-comment">// n23j3wUPoyhtodBfLsjGCeYZfuNaAwcv7J</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, 0xae53be3f20a3aea61c95e59568ed91063c8bf1f471df7d12dea857840f62e692)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x82906aa92d0c0cc45c23f6b5b21e9eb722bc11899450b3f6de8fa54c9a31d64f)</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(purity, over, more, donor, depend, fantasy, inch, royal, nice, electric, gold, arrest, silly, wedding, spike, desk, laptop, notice, present, pyramid, domain, ramp, olympic, enhance) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(little, local, prevent, foam, school, giraffe, identify, learn, remember, movie, police, hour, cloth, angle, chaos, meat, recycle, report, physical, enhance, situate, body, float, timber) // 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 = zpub6jftahH18ngZwBGJyFsbAudNM4A3Rd3iDk7PZYpUqLNEDVr5nv773Ynm8GCRUqCYsCxV2HU1VN2ETPh2HvZooXPcQnHGUdpQRYbumnGgJjH</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZy7q2oqKSe5kat6aT8BuyHbc51SaNo4AQVMsmLRvqcCDRt8Cy85iKgSkqtEZG153KdqisQeLGH56Q6AAb2iLtjaCEPWWUqKm</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 = zpub6qjVmmWTCtcQ24YEASwVA4uyBvUNHhsZizBupFqQPTPHJQMnsqf7Nb4F4hqf9fpB6PdhDWjJW6VK2gmd3ZrBpzyQr9sv1Y8oEyUsvUxojGY</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rxBTR1F5heHkQE58YdxbzMRXUTS2yCuk3sRhaQHefNqn2pXyw7KARK7rno3RcJjdKd51tVzegVaq7NbgWbCEBMX3rMUhpNBg6qKXVoBrFW</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 = tb1qrqcm3x0rreaq39rlhcfmr6hqg2v9vdgsdflwf8</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qkqy7r9gxvvwlkvnmkc4l4mlugquauqmfwpt9fe</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 = tb1qrqcm3x0rreaq39rlhcfmr6hqg2v9vdgsdflwf8</span>
<span class="hljs-comment">// res2: String = tb1qkqy7r9gxvvwlkvnmkc4l4mlugquauqmfwpt9fe</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, 0xae53be3f20a3aea61c95e59568ed91063c8bf1f471df7d12dea857840f62e692)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x82906aa92d0c0cc45c23f6b5b21e9eb722bc11899450b3f6de8fa54c9a31d64f)</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(purity, over, more, donor, depend, fantasy, inch, royal, nice, electric, gold, arrest, silly, wedding, spike, desk, laptop, notice, present, pyramid, domain, ramp, olympic, enhance) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(little, local, prevent, foam, school, giraffe, identify, learn, remember, movie, police, hour, cloth, angle, chaos, meat, recycle, report, physical, enhance, situate, body, float, timber) // 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 = zpub6jftahH18ngZwBGJyFsbAudNM4A3Rd3iDk7PZYpUqLNEDVr5nv773Ynm8GCRUqCYsCxV2HU1VN2ETPh2HvZooXPcQnHGUdpQRYbumnGgJjH</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZy7q2oqKSe5kat6aT8BuyHbc51SaNo4AQVMsmLRvqcCDRt8Cy85iKgSkqtEZG153KdqisQeLGH56Q6AAb2iLtjaCEPWWUqKm</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 = zpub6qjVmmWTCtcQ24YEASwVA4uyBvUNHhsZizBupFqQPTPHJQMnsqf7Nb4F4hqf9fpB6PdhDWjJW6VK2gmd3ZrBpzyQr9sv1Y8oEyUsvUxojGY</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rxBTR1F5heHkQE58YdxbzMRXUTS2yCuk3sRhaQHefNqn2pXyw7KARK7rno3RcJjdKd51tVzegVaq7NbgWbCEBMX3rMUhpNBg6qKXVoBrFW</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 = tb1qrqcm3x0rreaq39rlhcfmr6hqg2v9vdgsdflwf8</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qkqy7r9gxvvwlkvnmkc4l4mlugquauqmfwpt9fe</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 = tb1qrqcm3x0rreaq39rlhcfmr6hqg2v9vdgsdflwf8</span>
<span class="hljs-comment">// res2: String = tb1qkqy7r9gxvvwlkvnmkc4l4mlugquauqmfwpt9fe</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$$anon$3@53743ced[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@63ad4078[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(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53)</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(703db88c23302858990cdc309ae88f6d6322060b)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9)</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(703db88c23302858990cdc309ae88f6d6322060b))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9))</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(ee2c79eee28b2b4c76b0aee2a4c81343231838d4)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411)</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(ee2c79eee28b2b4c76b0aee2a4c81343231838d4)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411)))</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(703db88c23302858990cdc309ae88f6d6322060b))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0)</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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ee2c79eee28b2b4c76b0aee2a4c81343231838d4))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),10000 sats,ECPublicKey(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),10000 sats,ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53))</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(592ec29ad4ed9ae17ace484e119a6981a9eaac0a)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e)</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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),10000 sats,ECPublicKey(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7))),1 sats/byte,pkh(592ec29ad4ed9ae17ace484e119a6981a9eaac0a))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),10000 sats,ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53))),1 sats/byte,pkh(b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e))</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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ee2c79eee28b2b4c76b0aee2a4c81343231838d4)), TransactionOutput(4775 sats,pkh(592ec29ad4ed9ae17ace484e119a6981a9eaac0a))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411)), TransactionOutput(4775 sats,pkh(b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),10000 sats,ECPublicKey(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(703db88c23302858990cdc309ae88f6d6322060b))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),10000 sats,ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),10000 sats,ECPublicKey(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(703db88c23302858990cdc309ae88f6d6322060b))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),10000 sats,ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7)), ECDigitalSignature(304402200679160a5a7a6af08e836ab8e91c21b92f89776e30811c1f38f7989d3e83697c02200ab8efeccbc15652d3acf0d2524897a18da76b02e378f8b71f046ede225734d801)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ee2c79eee28b2b4c76b0aee2a4c81343231838d4)), TransactionOutput(4775 sats,pkh(592ec29ad4ed9ae17ace484e119a6981a9eaac0a))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53)), ECDigitalSignature(304402207db716d9f6958db2d7f364c5a9c0ccec34d9aa080b946218ca019dbfee04b1c80220061c73ba6b397acfa66eda7f034f318a415ff737b8839e1948bddbe276fec39d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411)), TransactionOutput(4775 sats,pkh(b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e))),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 = 0200000001770cf53c8e7617d43c536a5116304bf560180f387f2a56ff321941fd7d573b50000000006a47304402200679160a5a7a6af08e836ab8e91c21b92f89776e30811c1f38f7989d3e83697c02200ab8efeccbc15652d3acf0d2524897a18da76b02e378f8b71f046ede225734d8012102bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7000000000288130000000000001976a914ee2c79eee28b2b4c76b0aee2a4c81343231838d488aca7120000000000001976a914592ec29ad4ed9ae17ace484e119a6981a9eaac0a88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001e3878a16c452264244a0b77ee7c427587e31893b926b67bff0e9b2541bb8c120000000006a47304402207db716d9f6958db2d7f364c5a9c0ccec34d9aa080b946218ca019dbfee04b1c80220061c73ba6b397acfa66eda7f034f318a415ff737b8839e1948bddbe276fec39d01210249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53000000000288130000000000001976a9146c5a68d79e89e390bb4dee47e4db5f222e62541188aca7120000000000001976a914b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e88ac00000000</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$$anon$3@53743ced[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@63ad4078[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(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53)</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(703db88c23302858990cdc309ae88f6d6322060b)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9)</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(703db88c23302858990cdc309ae88f6d6322060b))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9))</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(ee2c79eee28b2b4c76b0aee2a4c81343231838d4)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411)</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(ee2c79eee28b2b4c76b0aee2a4c81343231838d4)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411)))</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(703db88c23302858990cdc309ae88f6d6322060b))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0)</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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ee2c79eee28b2b4c76b0aee2a4c81343231838d4))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),10000 sats,ECPublicKey(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),10000 sats,ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53))</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(592ec29ad4ed9ae17ace484e119a6981a9eaac0a)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e)</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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),10000 sats,ECPublicKey(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7))),1 sats/byte,pkh(592ec29ad4ed9ae17ace484e119a6981a9eaac0a))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),10000 sats,ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53))),1 sats/byte,pkh(b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e))</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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ee2c79eee28b2b4c76b0aee2a4c81343231838d4)), TransactionOutput(4775 sats,pkh(592ec29ad4ed9ae17ace484e119a6981a9eaac0a))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411)), TransactionOutput(4775 sats,pkh(b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),10000 sats,ECPublicKey(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(703db88c23302858990cdc309ae88f6d6322060b))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),10000 sats,ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),10000 sats,ECPublicKey(02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(703db88c23302858990cdc309ae88f6d6322060b))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),10000 sats,ECPublicKey(0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(32add7ea0c0ff668437ece538304dbccbbd9fca9))),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(503b577dfd411932ff562a7f380f1860f54b3016516a533cd417768e3cf50c77:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7)), ECDigitalSignature(304402200679160a5a7a6af08e836ab8e91c21b92f89776e30811c1f38f7989d3e83697c02200ab8efeccbc15652d3acf0d2524897a18da76b02e378f8b71f046ede225734d801)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ee2c79eee28b2b4c76b0aee2a4c81343231838d4)), TransactionOutput(4775 sats,pkh(592ec29ad4ed9ae17ace484e119a6981a9eaac0a))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(20c1b81b54b2e9f0bf676b923b89317e5827c4e77eb7a044422652c4168a87e3:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53)), ECDigitalSignature(304402207db716d9f6958db2d7f364c5a9c0ccec34d9aa080b946218ca019dbfee04b1c80220061c73ba6b397acfa66eda7f034f318a415ff737b8839e1948bddbe276fec39d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6c5a68d79e89e390bb4dee47e4db5f222e625411)), TransactionOutput(4775 sats,pkh(b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e))),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 = 0200000001770cf53c8e7617d43c536a5116304bf560180f387f2a56ff321941fd7d573b50000000006a47304402200679160a5a7a6af08e836ab8e91c21b92f89776e30811c1f38f7989d3e83697c02200ab8efeccbc15652d3acf0d2524897a18da76b02e378f8b71f046ede225734d8012102bff958c098d9f2bf6c811ef0a4b365e68f33f31a7539ce17a02b840c01ca70c7000000000288130000000000001976a914ee2c79eee28b2b4c76b0aee2a4c81343231838d488aca7120000000000001976a914592ec29ad4ed9ae17ace484e119a6981a9eaac0a88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001e3878a16c452264244a0b77ee7c427587e31893b926b67bff0e9b2541bb8c120000000006a47304402207db716d9f6958db2d7f364c5a9c0ccec34d9aa080b946218ca019dbfee04b1c80220061c73ba6b397acfa66eda7f034f318a415ff737b8839e1948bddbe276fec39d01210249f181d30bd7f9fb00f8cc136213f05585b09f389be27ccd808a243a76ea9f53000000000288130000000000001976a9146c5a68d79e89e390bb4dee47e4db5f222e62541188aca7120000000000001976a914b3554b2d3aa173d9c735eff0b6a77f90b3f3ba7e88ac00000000</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(3045022100a882a622df59ecc8320136fd2a62bbd75cdc7a454a0e4970849ad3a673cd821502203c284150819673c1df46555c0094243daac7cb8609101f8625a0b0df4e163dc0)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100d0af2f60429ecdfc2382455a2afbd518c091f4e9dc55cefe0ba1a9b23f3d17c2022038cf574c7907e96d29b33e3f166b7605037cbcd500be5ae8bfcdbe4f3b7333dd)</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(3044022046bb72073434113b5a82b17cfe7cad9c19445cb198ce4c7f244532ca03a7a329022018fcfc9ddc4dbf24107dd78552f3eb784203fa2fb8acef9bfad602042018c64e)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402200a1ee035282fd5f129f03321d26cedf6b498e9f0c79f36f8def9835446617f85022079a23f27e810faeed6731ec49dd54bff097f31a2a8fa20f69e83e2f36b3ade76)</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(3045022100a882a622df59ecc8320136fd2a62bbd75cdc7a454a0e4970849ad3a673cd821502203c284150819673c1df46555c0094243daac7cb8609101f8625a0b0df4e163dc0)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100d0af2f60429ecdfc2382455a2afbd518c091f4e9dc55cefe0ba1a9b23f3d17c2022038cf574c7907e96d29b33e3f166b7605037cbcd500be5ae8bfcdbe4f3b7333dd)</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(3044022046bb72073434113b5a82b17cfe7cad9c19445cb198ce4c7f244532ca03a7a329022018fcfc9ddc4dbf24107dd78552f3eb784203fa2fb8acef9bfad602042018c64e)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402200a1ee035282fd5f129f03321d26cedf6b498e9f0c79f36f8def9835446617f85022079a23f27e810faeed6731ec49dd54bff097f31a2a8fa20f69e83e2f36b3ade76)</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>1.6.0-168-04d937d4-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.6.0-169-cb5ec20e-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>1.6.0-168-04d937d4-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.6.0-169-cb5ec20e-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

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

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x96f5f558e202dd1d7eed963711f9fc0440301f112eab344292300c996531b527)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x7f23106a806fe6862ecf463e9bbb9eaa7ba85b79b06e6c5538b5a62539bcd0da)</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(notice, quick, file, series, column, modify, wing, ready, damage, more, lecture, ancient, adapt, auto, dwarf, step, crowd, behind, metal, bomb, north, occur, stand, tiger)</span>
<span class="hljs-comment">// Vector(left, blush, boy, absorb, wrist, drink, robot, trip, direct, tape, tray, female, ritual, color, traffic, assist, hobby, prefer, coin, era, fatal, taxi, drop, fly)</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-example5765206375687393192/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example8077141026888227451/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-example5765206375687393192/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8077141026888227451/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@10f38c96)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@1b593a94)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaC6U1wc5ULXhy2AK5WAHc5GaMs2jPcyMDcBZWwoJybyKf4Gcor641K7bhCgy2iig2ZAdNYcoFMubuRoCX8UYsCE77GkD2kR</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeY2idEqSpdMpjG9tjnHGNaPxsfbLJxj93jEqLfjX7rdbBP1XQv8zQXQxngHtX1HexaMPxy643GeMyCuo3gDpcEoY8Y8HAH9p</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeaC6U1wc5ULXhy2AK5WAHc5GaMs2jPcyMDcBZWwoJybyKf4Gcor641K7bhCgy2iig2ZAdNYcoFMubuRoCX8UYsCE77GkD2kR</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeY2idEqSpdMpjG9tjnHGNaPxsfbLJxj93jEqLfjX7rdbBP1XQv8zQXQxngHtX1HexaMPxy643GeMyCuo3gDpcEoY8Y8HAH9p</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-example5765206375687393192/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8077141026888227451/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@26133134</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@332bd9ce</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyNrwMNkaJguietk6qz8HGXMTVScGueUsS1SUXaTZTrbsjt6xoUhjdsaph75CsN8sZhctFLGrSJe1NnatrmkVx6UgfcgNNZy</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwDV6aGbKTiCjx2UXYmENEr3koAurUkeZwe6FgNBNLtDjTqMkumc69yS1gCGkqw5A7VrDqsi6Tb6NgGak1s6ZKhni6RdCc1N</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyNrwMNkaJguietk6qz8HGXMTVScGueUsS1SUXaTZTrbsjt6xoUhjdsaph75CsN8sZhctFLGrSJe1NnatrmkVx6UgfcgNNZy</span>
<span class="hljs-comment">// zpub6jftahH18ngZwDV6aGbKTiCjx2UXYmENEr3koAurUkeZwe6FgNBNLtDjTqMkumc69yS1gCGkqw5A7VrDqsi6Tb6NgGak1s6ZKhni6RdCc1N</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, 0x96f5f558e202dd1d7eed963711f9fc0440301f112eab344292300c996531b527)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x7f23106a806fe6862ecf463e9bbb9eaa7ba85b79b06e6c5538b5a62539bcd0da)</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(notice, quick, file, series, column, modify, wing, ready, damage, more, lecture, ancient, adapt, auto, dwarf, step, crowd, behind, metal, bomb, north, occur, stand, tiger)</span>
<span class="hljs-comment">// Vector(left, blush, boy, absorb, wrist, drink, robot, trip, direct, tape, tray, female, ritual, color, traffic, assist, hobby, prefer, coin, era, fatal, taxi, drop, fly)</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-example5765206375687393192/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example8077141026888227451/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-example5765206375687393192/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8077141026888227451/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@10f38c96)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@1b593a94)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaC6U1wc5ULXhy2AK5WAHc5GaMs2jPcyMDcBZWwoJybyKf4Gcor641K7bhCgy2iig2ZAdNYcoFMubuRoCX8UYsCE77GkD2kR</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeY2idEqSpdMpjG9tjnHGNaPxsfbLJxj93jEqLfjX7rdbBP1XQv8zQXQxngHtX1HexaMPxy643GeMyCuo3gDpcEoY8Y8HAH9p</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeaC6U1wc5ULXhy2AK5WAHc5GaMs2jPcyMDcBZWwoJybyKf4Gcor641K7bhCgy2iig2ZAdNYcoFMubuRoCX8UYsCE77GkD2kR</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeY2idEqSpdMpjG9tjnHGNaPxsfbLJxj93jEqLfjX7rdbBP1XQv8zQXQxngHtX1HexaMPxy643GeMyCuo3gDpcEoY8Y8HAH9p</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-example5765206375687393192/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8077141026888227451/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@26133134</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@332bd9ce</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyNrwMNkaJguietk6qz8HGXMTVScGueUsS1SUXaTZTrbsjt6xoUhjdsaph75CsN8sZhctFLGrSJe1NnatrmkVx6UgfcgNNZy</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwDV6aGbKTiCjx2UXYmENEr3koAurUkeZwe6FgNBNLtDjTqMkumc69yS1gCGkqw5A7VrDqsi6Tb6NgGak1s6ZKhni6RdCc1N</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyNrwMNkaJguietk6qz8HGXMTVScGueUsS1SUXaTZTrbsjt6xoUhjdsaph75CsN8sZhctFLGrSJe1NnatrmkVx6UgfcgNNZy</span>
<span class="hljs-comment">// zpub6jftahH18ngZwDV6aGbKTiCjx2UXYmENEr3koAurUkeZwe6FgNBNLtDjTqMkumc69yS1gCGkqw5A7VrDqsi6Tb6NgGak1s6ZKhni6RdCc1N</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(0287e558d742a2ce6652ff012267b592afe152835ac5f50240ed984f01659f4ebd)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(025a72ab28fac57dccb1292425c903a3a1cdde07456849ba7743a3d351b3d1d28d)</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(304402200bf5d0ac35ec50b2edc3e2a71688cc1a9a419d335a51762fc5293f2e29db1692022079af0c599bf27a3885dae7047f7b55896285f8a1798ed0dc9d821e3caa53cf60)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30450221008814c4a7ae66cffad3f07a8e6d2617298725101f5b3e08afcf0aa9e22f9d825202200949542256f08dbcb02c0ccedc910f16ca6f1d2ea79fa3ec1f8cf5822498fdb7)</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(0287e558d742a2ce6652ff012267b592afe152835ac5f50240ed984f01659f4ebd)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(025a72ab28fac57dccb1292425c903a3a1cdde07456849ba7743a3d351b3d1d28d)</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(304402200bf5d0ac35ec50b2edc3e2a71688cc1a9a419d335a51762fc5293f2e29db1692022079af0c599bf27a3885dae7047f7b55896285f8a1798ed0dc9d821e3caa53cf60)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30450221008814c4a7ae66cffad3f07a8e6d2617298725101f5b3e08afcf0aa9e22f9d825202200949542256f08dbcb02c0ccedc910f16ca6f1d2ea79fa3ec1f8cf5822498fdb7)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)