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api/index.js
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docs/next/core/addresses.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(039c4e7b2156009c98a9b5feccd616e7e1fcd43748ca649f54ca23c7c770b7a35a)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03c38eb565e51b446766f70bc629aaf02641fc9ec5985354d649580cc84cfa622a)</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 = tb1q0wd6qhpkz7au9f5caxc6hwcupshlptefnkvr3h</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qw2q6w2axk2ggcfypr4afxxa8kdurnn5wykfskr</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q0wd6qhpkz7au9f5caxc6hwcupshlptefnkvr3h</span>
<span class="hljs-comment">// tb1qw2q6w2axk2ggcfypr4afxxa8kdurnn5wykfskr</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 = mrnXqm7uUP4iYxKJ3VucCoarwUFmCMeDnE</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mqxQeNWnVLPghs3swAKU1Myvk8sSew8r4D</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mrnXqm7uUP4iYxKJ3VucCoarwUFmCMeDnE</span>
<span class="hljs-comment">// mqxQeNWnVLPghs3swAKU1Myvk8sSew8r4D</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(039c4e7b2156009c98a9b5feccd616e7e1fcd43748ca649f54ca23c7c770b7a35a)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03c38eb565e51b446766f70bc629aaf02641fc9ec5985354d649580cc84cfa622a)</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 = tb1q0wd6qhpkz7au9f5caxc6hwcupshlptefnkvr3h</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qw2q6w2axk2ggcfypr4afxxa8kdurnn5wykfskr</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q0wd6qhpkz7au9f5caxc6hwcupshlptefnkvr3h</span>
<span class="hljs-comment">// tb1qw2q6w2axk2ggcfypr4afxxa8kdurnn5wykfskr</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 = mrnXqm7uUP4iYxKJ3VucCoarwUFmCMeDnE</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mqxQeNWnVLPghs3swAKU1Myvk8sSew8r4D</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mrnXqm7uUP4iYxKJ3VucCoarwUFmCMeDnE</span>
<span class="hljs-comment">// mqxQeNWnVLPghs3swAKU1Myvk8sSew8r4D</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, 0x77868a86cf14f875b9bc95333251769c4791c5ffdc04abe848ffa00914cc4985)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xb42f39dadf54e1f436bea02bfab23bc0d16d24dcdc5816b19b332018e86512d2)</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(jealous, crowd, payment, owner, exhibit, depart, tragic, naive, creek, myth, frozen, decade, jungle, title, youth, letter, program, drastic, divide, divorce, mule, great, champion, rich) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(reflect, keep, issue, salt, evoke, wheel, sustain, staff, cloud, stereo, moment, like, bitter, mystery, inflict, mention, birth, mimic, smoke, dizzy, model, crater, ensure, first) // 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 = zpub6jftahH18ngZycqZJaN1A62nxXDE9AbJCgcrVBM2WaQZphDAmMRBjqXmkefPgcfVjW2Ewou5tG2kqFrbdHvdLe74iuuQ1rXjNCQR3d4SPAA</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxy1R9rtPtBkGsVTGtvoNpAiCfYaesTyawQjCCmbTrCyN413bemaE6Emy5vf3oYJnPKupA5ScyJ3qDMbdpYfsTVgB5BSBXhP</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 = zpub6rrTPhEf25Ci2VYBzqCFxpY1qKgPbYyVu8XUsj2V53WWsSyFkna2ejqLXmBLanPtKLagL4eJkjVHXod29zaT8keyQ2aK9rDR3UQxqht1get</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rQLMmivkv6Hxz9WbYVyJfsj4UJtcFxVL497Tj8BEVmLzfCAgyxHc9HRuHsoYoiZome5AVES1pTWaaeTgyTsNJhsJkbogv4vGbYVg4iweNU</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 = tb1q56cmrjalqxrxgf33566p99xcpmyd5yp2695c5s</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qevfpzhfvykyt27gjh8qejds05apptkx5grpys6</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 = tb1q56cmrjalqxrxgf33566p99xcpmyd5yp2695c5s</span>
<span class="hljs-comment">// res2: String = tb1qevfpzhfvykyt27gjh8qejds05apptkx5grpys6</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, 0x77868a86cf14f875b9bc95333251769c4791c5ffdc04abe848ffa00914cc4985)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xb42f39dadf54e1f436bea02bfab23bc0d16d24dcdc5816b19b332018e86512d2)</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(jealous, crowd, payment, owner, exhibit, depart, tragic, naive, creek, myth, frozen, decade, jungle, title, youth, letter, program, drastic, divide, divorce, mule, great, champion, rich) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(reflect, keep, issue, salt, evoke, wheel, sustain, staff, cloud, stereo, moment, like, bitter, mystery, inflict, mention, birth, mimic, smoke, dizzy, model, crater, ensure, first) // 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 = zpub6jftahH18ngZycqZJaN1A62nxXDE9AbJCgcrVBM2WaQZphDAmMRBjqXmkefPgcfVjW2Ewou5tG2kqFrbdHvdLe74iuuQ1rXjNCQR3d4SPAA</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxy1R9rtPtBkGsVTGtvoNpAiCfYaesTyawQjCCmbTrCyN413bemaE6Emy5vf3oYJnPKupA5ScyJ3qDMbdpYfsTVgB5BSBXhP</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 = zpub6rrTPhEf25Ci2VYBzqCFxpY1qKgPbYyVu8XUsj2V53WWsSyFkna2ejqLXmBLanPtKLagL4eJkjVHXod29zaT8keyQ2aK9rDR3UQxqht1get</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rQLMmivkv6Hxz9WbYVyJfsj4UJtcFxVL497Tj8BEVmLzfCAgyxHc9HRuHsoYoiZome5AVES1pTWaaeTgyTsNJhsJkbogv4vGbYVg4iweNU</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 = tb1q56cmrjalqxrxgf33566p99xcpmyd5yp2695c5s</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qevfpzhfvykyt27gjh8qejds05apptkx5grpys6</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 = tb1q56cmrjalqxrxgf33566p99xcpmyd5yp2695c5s</span>
<span class="hljs-comment">// res2: String = tb1qevfpzhfvykyt27gjh8qejds05apptkx5grpys6</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$$anon$3@73bd72c9[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@2c75ef1[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(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f)</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(a6b27754b917f7fab1d717f5a2a6fc478407f44d)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(ee141639d44bf239a624303e8c08c3e825ed360a)</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(a6b27754b917f7fab1d717f5a2a6fc478407f44d))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(ee141639d44bf239a624303e8c08c3e825ed360a))</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(1fc2427a4f324f64e3a2c6967165d13d9b2a3700)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(eb9e6a831b93457824086d9770d1244c4448c117)</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(1fc2427a4f324f64e3a2c6967165d13d9b2a3700)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(eb9e6a831b93457824086d9770d1244c4448c117)))</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(a6b27754b917f7fab1d717f5a2a6fc478407f44d))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ee141639d44bf239a624303e8c08c3e825ed360a))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c: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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c: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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1fc2427a4f324f64e3a2c6967165d13d9b2a3700))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb9e6a831b93457824086d9770d1244c4448c117))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),10000 sats,ECPublicKey(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),10000 sats,ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f))</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(65fd8dc3f2637ca6f941b86d9f94abd8d36c052e)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(28d2b792e5a14fffe5a3101c072e2c56b2d35113)</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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),10000 sats,ECPublicKey(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000))),1 sats/byte,pkh(65fd8dc3f2637ca6f941b86d9f94abd8d36c052e))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),10000 sats,ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f))),1 sats/byte,pkh(28d2b792e5a14fffe5a3101c072e2c56b2d35113))</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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1fc2427a4f324f64e3a2c6967165d13d9b2a3700)), TransactionOutput(4775 sats,pkh(65fd8dc3f2637ca6f941b86d9f94abd8d36c052e))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb9e6a831b93457824086d9770d1244c4448c117)), TransactionOutput(4775 sats,pkh(28d2b792e5a14fffe5a3101c072e2c56b2d35113))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),10000 sats,ECPublicKey(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a6b27754b917f7fab1d717f5a2a6fc478407f44d))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),10000 sats,ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ee141639d44bf239a624303e8c08c3e825ed360a))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),10000 sats,ECPublicKey(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a6b27754b917f7fab1d717f5a2a6fc478407f44d))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),10000 sats,ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ee141639d44bf239a624303e8c08c3e825ed360a))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000)), ECDigitalSignature(3044022002ece6dc9c0ce709d94b438c94db9ab8a6c73a43181d977854c129a8eaa9e2d3022073c2864dec9e49abe9023b66bb00122740c00348135b7d99e3cf06b4117ab26f01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1fc2427a4f324f64e3a2c6967165d13d9b2a3700)), TransactionOutput(4775 sats,pkh(65fd8dc3f2637ca6f941b86d9f94abd8d36c052e))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f)), ECDigitalSignature(30440220142ec97e68a3f1438397301ca8e0519b0e37fe50b46b64309784867d8a9e08e90220779e0dadbf5d63a4da1fcf88cf806956940a72bff620d76b0cd1cb59a7cab8af01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb9e6a831b93457824086d9770d1244c4448c117)), TransactionOutput(4775 sats,pkh(28d2b792e5a14fffe5a3101c072e2c56b2d35113))),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 = 02000000010d7d96512a9432bc1c73980658b2d845b90d75b3937e2acec47902ce3249aa47000000006a473044022002ece6dc9c0ce709d94b438c94db9ab8a6c73a43181d977854c129a8eaa9e2d3022073c2864dec9e49abe9023b66bb00122740c00348135b7d99e3cf06b4117ab26f0121031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000000000000288130000000000001976a9141fc2427a4f324f64e3a2c6967165d13d9b2a370088aca7120000000000001976a91465fd8dc3f2637ca6f941b86d9f94abd8d36c052e88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000016c8b0e86aa7db0ed62274a9799b06a21ea7a1efa560cbb12496f6c3d0e394529000000006a4730440220142ec97e68a3f1438397301ca8e0519b0e37fe50b46b64309784867d8a9e08e90220779e0dadbf5d63a4da1fcf88cf806956940a72bff620d76b0cd1cb59a7cab8af012102a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f000000000288130000000000001976a914eb9e6a831b93457824086d9770d1244c4448c11788aca7120000000000001976a91428d2b792e5a14fffe5a3101c072e2c56b2d3511388ac00000000</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$$anon$3@73bd72c9[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@2c75ef1[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(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f)</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(a6b27754b917f7fab1d717f5a2a6fc478407f44d)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(ee141639d44bf239a624303e8c08c3e825ed360a)</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(a6b27754b917f7fab1d717f5a2a6fc478407f44d))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(ee141639d44bf239a624303e8c08c3e825ed360a))</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(1fc2427a4f324f64e3a2c6967165d13d9b2a3700)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(eb9e6a831b93457824086d9770d1244c4448c117)</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(1fc2427a4f324f64e3a2c6967165d13d9b2a3700)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(eb9e6a831b93457824086d9770d1244c4448c117)))</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(a6b27754b917f7fab1d717f5a2a6fc478407f44d))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ee141639d44bf239a624303e8c08c3e825ed360a))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c: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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c: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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1fc2427a4f324f64e3a2c6967165d13d9b2a3700))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb9e6a831b93457824086d9770d1244c4448c117))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),10000 sats,ECPublicKey(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),10000 sats,ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f))</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(65fd8dc3f2637ca6f941b86d9f94abd8d36c052e)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(28d2b792e5a14fffe5a3101c072e2c56b2d35113)</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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),10000 sats,ECPublicKey(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000))),1 sats/byte,pkh(65fd8dc3f2637ca6f941b86d9f94abd8d36c052e))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),10000 sats,ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f))),1 sats/byte,pkh(28d2b792e5a14fffe5a3101c072e2c56b2d35113))</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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1fc2427a4f324f64e3a2c6967165d13d9b2a3700)), TransactionOutput(4775 sats,pkh(65fd8dc3f2637ca6f941b86d9f94abd8d36c052e))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb9e6a831b93457824086d9770d1244c4448c117)), TransactionOutput(4775 sats,pkh(28d2b792e5a14fffe5a3101c072e2c56b2d35113))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),10000 sats,ECPublicKey(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a6b27754b917f7fab1d717f5a2a6fc478407f44d))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),10000 sats,ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ee141639d44bf239a624303e8c08c3e825ed360a))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),10000 sats,ECPublicKey(031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a6b27754b917f7fab1d717f5a2a6fc478407f44d))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),10000 sats,ECPublicKey(02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(ee141639d44bf239a624303e8c08c3e825ed360a))),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(47aa4932ce0279c4ce2a7e93b3750db945d8b2580698731cbc32942a51967d0d:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000)), ECDigitalSignature(3044022002ece6dc9c0ce709d94b438c94db9ab8a6c73a43181d977854c129a8eaa9e2d3022073c2864dec9e49abe9023b66bb00122740c00348135b7d99e3cf06b4117ab26f01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(1fc2427a4f324f64e3a2c6967165d13d9b2a3700)), TransactionOutput(4775 sats,pkh(65fd8dc3f2637ca6f941b86d9f94abd8d36c052e))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2945390e3d6c6f4912bb0c56fa1e7aea216ab099974a2762edb07daa860e8b6c:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x02a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f)), ECDigitalSignature(30440220142ec97e68a3f1438397301ca8e0519b0e37fe50b46b64309784867d8a9e08e90220779e0dadbf5d63a4da1fcf88cf806956940a72bff620d76b0cd1cb59a7cab8af01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb9e6a831b93457824086d9770d1244c4448c117)), TransactionOutput(4775 sats,pkh(28d2b792e5a14fffe5a3101c072e2c56b2d35113))),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 = 02000000010d7d96512a9432bc1c73980658b2d845b90d75b3937e2acec47902ce3249aa47000000006a473044022002ece6dc9c0ce709d94b438c94db9ab8a6c73a43181d977854c129a8eaa9e2d3022073c2864dec9e49abe9023b66bb00122740c00348135b7d99e3cf06b4117ab26f0121031d4db4abccc26515f1ad237f711ce80a795333172916fd112fd0a5fe07ade000000000000288130000000000001976a9141fc2427a4f324f64e3a2c6967165d13d9b2a370088aca7120000000000001976a91465fd8dc3f2637ca6f941b86d9f94abd8d36c052e88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000016c8b0e86aa7db0ed62274a9799b06a21ea7a1efa560cbb12496f6c3d0e394529000000006a4730440220142ec97e68a3f1438397301ca8e0519b0e37fe50b46b64309784867d8a9e08e90220779e0dadbf5d63a4da1fcf88cf806956940a72bff620d76b0cd1cb59a7cab8af012102a2bf6376c0df176084d5eed0739100d1f60a6b858fb83c04799aab4f9bc7a65f000000000288130000000000001976a914eb9e6a831b93457824086d9770d1244c4448c11788aca7120000000000001976a91428d2b792e5a14fffe5a3101c072e2c56b2d3511388ac00000000</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(3045022100f952fb7ee1724a4018c01e421fc6866a7b627928bb59e1e65b8987dbf1c67f5f022009f421cef331773fc27bb4d0029e1c69b3479c83f25aad96e4108be8ac5affd5)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402206cb26c90a715f47ca7d395690fbcbf67b22219ba83630d044c303b551a2a59e7022064e485ecb40ded374881a130a3761dbef9f04bfba1877b5d02f55d7f3f15f24d)</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(30440220758490f602fa9a4b4c4e42064581a25ddec111673d80a61993470e531fef2d0002204a2e30b41b29c5f70f6a9b96de7ecf74f2254b9055d1d3fc44b3fe54bd473fe3)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30450221009f40abf060356d41672f1b6237ae97a7329de09e1afbf228913a012890e3db6102202a899b78df9b4d1a3e9fc6f0425b72c00917b18a39c308493959ccc54a756e1b)</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(3045022100f952fb7ee1724a4018c01e421fc6866a7b627928bb59e1e65b8987dbf1c67f5f022009f421cef331773fc27bb4d0029e1c69b3479c83f25aad96e4108be8ac5affd5)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402206cb26c90a715f47ca7d395690fbcbf67b22219ba83630d044c303b551a2a59e7022064e485ecb40ded374881a130a3761dbef9f04bfba1877b5d02f55d7f3f15f24d)</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(30440220758490f602fa9a4b4c4e42064581a25ddec111673d80a61993470e531fef2d0002204a2e30b41b29c5f70f6a9b96de7ecf74f2254b9055d1d3fc44b3fe54bd473fe3)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30450221009f40abf060356d41672f1b6237ae97a7329de09e1afbf228913a012890e3db6102202a899b78df9b4d1a3e9fc6f0425b72c00917b18a39c308493959ccc54a756e1b)</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>1.8.0-33-5189b6ad-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.8.0-34-ba88fb1a-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>1.8.0-33-5189b6ad-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.8.0-34-ba88fb1a-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, 0xbe5a315ed0b2668ad801d52e39180d231872949db53afc5afce038d9965352f1)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x1f5bcdd925f42b31a25e4cdb38cd9227e5847ecfe5f3dab7ad0a3efd612e0dd6)</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(salad, spice, fish, pause, chapter, earth, gas, deny, comfort, silver, addict, economy, mango, engage, item, point, wisdom, subject, day, immune, offer, claim, envelope, circle)</span>
<span class="hljs-comment">// Vector(butter, taxi, iron, episode, dress, occur, maximum, sister, swamp, shoe, goose, exist, flame, disorder, display, salmon, survey, runway, dream, law, stock, novel, dance, second)</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-example8765408282998257259/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example13337461143071606401/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-example8765408282998257259/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example13337461143071606401/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@5ee21c93)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@623295d)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4Wea7ef3EvQuiPNohgY4FxdvRCo5zeBhif68qEiAJRQK8pPDDqGwsU7wcLxe8WKsjyBEFge1A7CPSjCcAPyWsMbuR9cinH2A33</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeY73zkHdME3qTybbSnCL55C97JWF41iwAXgB5SCqq81FLnJFTQ7QKqg6Bz73MSpfmWkZTWkkpkBopT4kKsGdQe1iaTchTDE4</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4Wea7ef3EvQuiPNohgY4FxdvRCo5zeBhif68qEiAJRQK8pPDDqGwsU7wcLxe8WKsjyBEFge1A7CPSjCcAPyWsMbuR9cinH2A33</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeY73zkHdME3qTybbSnCL55C97JWF41iwAXgB5SCqq81FLnJFTQ7QKqg6Bz73MSpfmWkZTWkkpkBopT4kKsGdQe1iaTchTDE4</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-example8765408282998257259/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example13337461143071606401/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@1a681f68</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@d9009b6</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyJR8Ng4uk4mPVaGKpjvdasHgDaDjDkAcMEVdAw5eoPSwJ3fcwW5oaApBe2tZiPPNmQ8tswmFaPTc5XBfrWdYzKQCH4L6mDp</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwHpU5imr4QDUfUBEYgJ4jeDzS5pbXkSgk5RzSqW5cFsts85oPk21UEZQz1RbHU5y3u1iPYQsw8YDvRY2CuuMiuyA1v1ocVm</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyJR8Ng4uk4mPVaGKpjvdasHgDaDjDkAcMEVdAw5eoPSwJ3fcwW5oaApBe2tZiPPNmQ8tswmFaPTc5XBfrWdYzKQCH4L6mDp</span>
<span class="hljs-comment">// zpub6jftahH18ngZwHpU5imr4QDUfUBEYgJ4jeDzS5pbXkSgk5RzSqW5cFsts85oPk21UEZQz1RbHU5y3u1iPYQsw8YDvRY2CuuMiuyA1v1ocVm</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, 0xbe5a315ed0b2668ad801d52e39180d231872949db53afc5afce038d9965352f1)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x1f5bcdd925f42b31a25e4cdb38cd9227e5847ecfe5f3dab7ad0a3efd612e0dd6)</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(salad, spice, fish, pause, chapter, earth, gas, deny, comfort, silver, addict, economy, mango, engage, item, point, wisdom, subject, day, immune, offer, claim, envelope, circle)</span>
<span class="hljs-comment">// Vector(butter, taxi, iron, episode, dress, occur, maximum, sister, swamp, shoe, goose, exist, flame, disorder, display, salmon, survey, runway, dream, law, stock, novel, dance, second)</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-example8765408282998257259/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example13337461143071606401/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-example8765408282998257259/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example13337461143071606401/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@5ee21c93)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@623295d)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4Wea7ef3EvQuiPNohgY4FxdvRCo5zeBhif68qEiAJRQK8pPDDqGwsU7wcLxe8WKsjyBEFge1A7CPSjCcAPyWsMbuR9cinH2A33</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeY73zkHdME3qTybbSnCL55C97JWF41iwAXgB5SCqq81FLnJFTQ7QKqg6Bz73MSpfmWkZTWkkpkBopT4kKsGdQe1iaTchTDE4</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4Wea7ef3EvQuiPNohgY4FxdvRCo5zeBhif68qEiAJRQK8pPDDqGwsU7wcLxe8WKsjyBEFge1A7CPSjCcAPyWsMbuR9cinH2A33</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeY73zkHdME3qTybbSnCL55C97JWF41iwAXgB5SCqq81FLnJFTQ7QKqg6Bz73MSpfmWkZTWkkpkBopT4kKsGdQe1iaTchTDE4</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-example8765408282998257259/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example13337461143071606401/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@1a681f68</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@d9009b6</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyJR8Ng4uk4mPVaGKpjvdasHgDaDjDkAcMEVdAw5eoPSwJ3fcwW5oaApBe2tZiPPNmQ8tswmFaPTc5XBfrWdYzKQCH4L6mDp</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwHpU5imr4QDUfUBEYgJ4jeDzS5pbXkSgk5RzSqW5cFsts85oPk21UEZQz1RbHU5y3u1iPYQsw8YDvRY2CuuMiuyA1v1ocVm</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyJR8Ng4uk4mPVaGKpjvdasHgDaDjDkAcMEVdAw5eoPSwJ3fcwW5oaApBe2tZiPPNmQ8tswmFaPTc5XBfrWdYzKQCH4L6mDp</span>
<span class="hljs-comment">// zpub6jftahH18ngZwHpU5imr4QDUfUBEYgJ4jeDzS5pbXkSgk5RzSqW5cFsts85oPk21UEZQz1RbHU5y3u1iPYQsw8YDvRY2CuuMiuyA1v1ocVm</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

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

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02df993dcee4123dbf5d1b86c278d58617899959e6ec56ed170f299fabe8718203)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03be88d8c88e6386c1776af1a0454886d16ac7b0ae37e80bc40dc054fbcd845f12)</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(3044022068f8227337abc5d0ad9a8764a959436c9dd13189bc7eeaa440ddc77dbf3ca47b022002ad1a46c3fb1bbb179b95643bcd62ff5b8e38f1a819e6e4fee4f02e53489ee5)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402205298f972806b047e2abf620334d6ec44598fe1803c32acb5da6e299fc594f659022009e741ce580b1f4d671d7b8775f1cf90452954fc74370204b6d0cac76fb4f68f)</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(02df993dcee4123dbf5d1b86c278d58617899959e6ec56ed170f299fabe8718203)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03be88d8c88e6386c1776af1a0454886d16ac7b0ae37e80bc40dc054fbcd845f12)</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(3044022068f8227337abc5d0ad9a8764a959436c9dd13189bc7eeaa440ddc77dbf3ca47b022002ad1a46c3fb1bbb179b95643bcd62ff5b8e38f1a819e6e4fee4f02e53489ee5)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402205298f972806b047e2abf620334d6ec44598fe1803c32acb5da6e299fc594f659022009e741ce580b1f4d671d7b8775f1cf90452954fc74370204b6d0cac76fb4f68f)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)