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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(0246d828b0016baab5b440451a8020288e23e30daafbbeccbc9feb05a04090c7eb)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(027e1e587ee0d0abe2bd7c8be49ed3cf25074462daf97bfee189feac64314891e4)</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 = tb1qnr2gu7ekheypw7z03j035jrydhy75s8z6464um</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q6qflkfehduwhtk7fpq73e8mx97hh92qtq9evml</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qnr2gu7ekheypw7z03j035jrydhy75s8z6464um</span>
<span class="hljs-comment">// tb1q6qflkfehduwhtk7fpq73e8mx97hh92qtq9evml</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 = muT3duEp1TnrTe7imSbrQX7yYdiFWYPnJc</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mzVAnGF7VvRK64YGxBjWUZJh54RQSy4Njo</span>
println(legacyAddress.toString)
<span class="hljs-comment">// muT3duEp1TnrTe7imSbrQX7yYdiFWYPnJc</span>
<span class="hljs-comment">// mzVAnGF7VvRK64YGxBjWUZJh54RQSy4Njo</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 © 2024 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(0246d828b0016baab5b440451a8020288e23e30daafbbeccbc9feb05a04090c7eb)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(027e1e587ee0d0abe2bd7c8be49ed3cf25074462daf97bfee189feac64314891e4)</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 = tb1qnr2gu7ekheypw7z03j035jrydhy75s8z6464um</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q6qflkfehduwhtk7fpq73e8mx97hh92qtq9evml</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qnr2gu7ekheypw7z03j035jrydhy75s8z6464um</span>
<span class="hljs-comment">// tb1q6qflkfehduwhtk7fpq73e8mx97hh92qtq9evml</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 = muT3duEp1TnrTe7imSbrQX7yYdiFWYPnJc</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mzVAnGF7VvRK64YGxBjWUZJh54RQSy4Njo</span>
println(legacyAddress.toString)
<span class="hljs-comment">// muT3duEp1TnrTe7imSbrQX7yYdiFWYPnJc</span>
<span class="hljs-comment">// mzVAnGF7VvRK64YGxBjWUZJh54RQSy4Njo</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 © 2024 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, 0x237ac7146b0e4426502ec93c19fbb237b2b970239c93f81b2bb9870db8e755e3)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xa4dad94ba3934b04d552792416f1384745a8a8444973f0a070de38a857566ed2)</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(casino, stomach, shallow, stock, tone, basket, doll, summer, despair, sound, uncle, hunt, clog, retreat, mobile, mystery, way, sun, unveil, asthma, swear, inhale, fiscal, keen)</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(pill, strategy, fancy, elbow, cruise, list, fetch, execute, catch, resource, evoke, model, fold, feature, bachelor, common, vague, adjust, daring, image, lyrics, private, robust, exchange)</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 = zpub6jftahH18ngZwJc6zRbWbRJEDrPJLFhqiWVKJmXS1vhpLAicMNbddHZj8CCPpVoQy5R7wFZ7kLGXLfKRwr7FVDBDpVnVnZ1D8DbEfMvvH3m</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZx9p1sP1YBG4oj2Pske3RkrMjvxtErKisb5W1M8z9fezpT1Uoz3mkZn7yxFcoXSXTADn55Hqe9QmsaKc55sbnstAG95uugfX</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>
@ -158,7 +158,7 @@ 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 = zpub6qMvYndavVHm6MMKyL311vdJ9CY8v1rvPur6xenYJxqfZK1R2jGBWnJPrBTCeUeS2oaC1CRzxkuiwBsfbzKWDHMunDdXZCiRwsGqsbnSjaJ</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6sCCgvPK9hXsoCyktrPsPnzpHWaPZtdMuNaUFJuEUpVsvmXKQsPMiBaC1WE4R86ajzwjRxAx2kx6HjGvRA1GK25sjSXjGSag6nPMYfSHvGd</span>
<span class="hljs-comment">// address no. 0 ---------------┐</span>
<span class="hljs-comment">// external address ----------┐ |</span>
@ -181,12 +181,12 @@ 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 = tb1qa8uwmjwfafmpgxp043fm00h9hat4lcgkaejekx</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qlx945r9ujwwnnldknh4ph2zd5jn6z965x7w0fj</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 = tb1qa8uwmjwfafmpgxp043fm00h9hat4lcgkaejekx</span>
<span class="hljs-comment">// res2: String = tb1qlx945r9ujwwnnldknh4ph2zd5jn6z965x7w0fj</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, 0x237ac7146b0e4426502ec93c19fbb237b2b970239c93f81b2bb9870db8e755e3)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xa4dad94ba3934b04d552792416f1384745a8a8444973f0a070de38a857566ed2)</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(casino, stomach, shallow, stock, tone, basket, doll, summer, despair, sound, uncle, hunt, clog, retreat, mobile, mystery, way, sun, unveil, asthma, swear, inhale, fiscal, keen)</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(pill, strategy, fancy, elbow, cruise, list, fetch, execute, catch, resource, evoke, model, fold, feature, bachelor, common, vague, adjust, daring, image, lyrics, private, robust, exchange)</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 = zpub6jftahH18ngZwJc6zRbWbRJEDrPJLFhqiWVKJmXS1vhpLAicMNbddHZj8CCPpVoQy5R7wFZ7kLGXLfKRwr7FVDBDpVnVnZ1D8DbEfMvvH3m</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZx9p1sP1YBG4oj2Pske3RkrMjvxtErKisb5W1M8z9fezpT1Uoz3mkZn7yxFcoXSXTADn55Hqe9QmsaKc55sbnstAG95uugfX</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>
@ -158,7 +158,7 @@ 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 = zpub6qMvYndavVHm6MMKyL311vdJ9CY8v1rvPur6xenYJxqfZK1R2jGBWnJPrBTCeUeS2oaC1CRzxkuiwBsfbzKWDHMunDdXZCiRwsGqsbnSjaJ</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6sCCgvPK9hXsoCyktrPsPnzpHWaPZtdMuNaUFJuEUpVsvmXKQsPMiBaC1WE4R86ajzwjRxAx2kx6HjGvRA1GK25sjSXjGSag6nPMYfSHvGd</span>
<span class="hljs-comment">// address no. 0 ---------------┐</span>
<span class="hljs-comment">// external address ----------┐ |</span>
@ -181,12 +181,12 @@ 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 = tb1qa8uwmjwfafmpgxp043fm00h9hat4lcgkaejekx</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qlx945r9ujwwnnldknh4ph2zd5jn6z965x7w0fj</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 = tb1qa8uwmjwfafmpgxp043fm00h9hat4lcgkaejekx</span>
<span class="hljs-comment">// res2: String = tb1qlx945r9ujwwnnldknh4ph2zd5jn6z965x7w0fj</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$$anon$3@7164f29f[Running, parallelism = 4, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@6ad90ebf[Running, parallelism = 4, 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(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127)</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(3785b7bd79a2c7b379be1d2577d8fa624edaa179)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164)</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(3785b7bd79a2c7b379be1d2577d8fa624edaa179))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164))</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(f62debf6bead7e2ee5579ae8d278b1db19f46611)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(6077edd4e149cb3329af54da01329b5ca366257d)</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(f62debf6bead7e2ee5579ae8d278b1db19f46611)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(6077edd4e149cb3329af54da01329b5ca366257d)))</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(3785b7bd79a2c7b379be1d2577d8fa624edaa179))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164))),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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0)</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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f62debf6bead7e2ee5579ae8d278b1db19f46611))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6077edd4e149cb3329af54da01329b5ca366257d))),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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),10000 sats,ECPublicKey(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),10000 sats,ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127))</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(551907beb7dc0c4c424081b5e001df52ba4c7f44)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(fdefdff3f2240354c0aa9176f96321640ec1e435)</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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),10000 sats,ECPublicKey(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7))),1 sats/byte,pkh(551907beb7dc0c4c424081b5e001df52ba4c7f44))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),10000 sats,ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127))),1 sats/byte,pkh(fdefdff3f2240354c0aa9176f96321640ec1e435))</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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f62debf6bead7e2ee5579ae8d278b1db19f46611)), TransactionOutput(4775 sats,pkh(551907beb7dc0c4c424081b5e001df52ba4c7f44))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6077edd4e149cb3329af54da01329b5ca366257d)), TransactionOutput(4775 sats,pkh(fdefdff3f2240354c0aa9176f96321640ec1e435))),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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),10000 sats,ECPublicKey(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3785b7bd79a2c7b379be1d2577d8fa624edaa179))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),10000 sats,ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),10000 sats,ECPublicKey(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3785b7bd79a2c7b379be1d2577d8fa624edaa179))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),10000 sats,ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7)), ECDigitalSignature(304402202476cf1ab465f625aacef7b007f9a5f24225b5db15ed1f2c7795528656e0352502203315be94104ec3eb71026cf86efaa8c5a70b417ad2e47823069e04622159964f01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f62debf6bead7e2ee5579ae8d278b1db19f46611)), TransactionOutput(4775 sats,pkh(551907beb7dc0c4c424081b5e001df52ba4c7f44))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127)), ECDigitalSignature(3044022026bbe34e595f4eb1f6560f7129c5a9f4a15f68abd5e8451abb108ed2deffe2b70220702a822d1dd92067c0de13962262a12c3081a526bb8f9e32f9f60f5374e73de601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6077edd4e149cb3329af54da01329b5ca366257d)), TransactionOutput(4775 sats,pkh(fdefdff3f2240354c0aa9176f96321640ec1e435))),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 = 020000000117947b9b7e9192799874067311862000b37cc10907e838819919b3f5453d4dda000000006a47304402202476cf1ab465f625aacef7b007f9a5f24225b5db15ed1f2c7795528656e0352502203315be94104ec3eb71026cf86efaa8c5a70b417ad2e47823069e04622159964f01210398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7000000000288130000000000001976a914f62debf6bead7e2ee5579ae8d278b1db19f4661188aca7120000000000001976a914551907beb7dc0c4c424081b5e001df52ba4c7f4488ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001510d9fe0ef1e6b47e5c82b3b4cfc88898b3a07c5a62e8cd0525aee2f26122375000000006a473044022026bbe34e595f4eb1f6560f7129c5a9f4a15f68abd5e8451abb108ed2deffe2b70220702a822d1dd92067c0de13962262a12c3081a526bb8f9e32f9f60f5374e73de6012103ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127000000000288130000000000001976a9146077edd4e149cb3329af54da01329b5ca366257d88aca7120000000000001976a914fdefdff3f2240354c0aa9176f96321640ec1e43588ac00000000</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$$anon$3@7164f29f[Running, parallelism = 4, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@6ad90ebf[Running, parallelism = 4, 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(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127)</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(3785b7bd79a2c7b379be1d2577d8fa624edaa179)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164)</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(3785b7bd79a2c7b379be1d2577d8fa624edaa179))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164))</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(f62debf6bead7e2ee5579ae8d278b1db19f46611)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(6077edd4e149cb3329af54da01329b5ca366257d)</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(f62debf6bead7e2ee5579ae8d278b1db19f46611)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(6077edd4e149cb3329af54da01329b5ca366257d)))</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(3785b7bd79a2c7b379be1d2577d8fa624edaa179))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164))),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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0)</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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f62debf6bead7e2ee5579ae8d278b1db19f46611))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6077edd4e149cb3329af54da01329b5ca366257d))),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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),10000 sats,ECPublicKey(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),10000 sats,ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127))</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(551907beb7dc0c4c424081b5e001df52ba4c7f44)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(fdefdff3f2240354c0aa9176f96321640ec1e435)</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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),10000 sats,ECPublicKey(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7))),1 sats/byte,pkh(551907beb7dc0c4c424081b5e001df52ba4c7f44))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),10000 sats,ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127))),1 sats/byte,pkh(fdefdff3f2240354c0aa9176f96321640ec1e435))</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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f62debf6bead7e2ee5579ae8d278b1db19f46611)), TransactionOutput(4775 sats,pkh(551907beb7dc0c4c424081b5e001df52ba4c7f44))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6077edd4e149cb3329af54da01329b5ca366257d)), TransactionOutput(4775 sats,pkh(fdefdff3f2240354c0aa9176f96321640ec1e435))),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(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),10000 sats,ECPublicKey(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3785b7bd79a2c7b379be1d2577d8fa624edaa179))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),10000 sats,ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),10000 sats,ECPublicKey(0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3785b7bd79a2c7b379be1d2577d8fa624edaa179))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),10000 sats,ECPublicKey(03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29e51fb5e188d5bd8edd3802f1c7cd89f2b5164))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(da4d3d45f5b319998138e80709c17cb300208611730674987992917e9b7b9417:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7)), ECDigitalSignature(304402202476cf1ab465f625aacef7b007f9a5f24225b5db15ed1f2c7795528656e0352502203315be94104ec3eb71026cf86efaa8c5a70b417ad2e47823069e04622159964f01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f62debf6bead7e2ee5579ae8d278b1db19f46611)), TransactionOutput(4775 sats,pkh(551907beb7dc0c4c424081b5e001df52ba4c7f44))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(752312262fee5a52d08c2ea6c5073a8b8988fc4c3b2bc8e5476b1eefe09f0d51:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127)), ECDigitalSignature(3044022026bbe34e595f4eb1f6560f7129c5a9f4a15f68abd5e8451abb108ed2deffe2b70220702a822d1dd92067c0de13962262a12c3081a526bb8f9e32f9f60f5374e73de601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(6077edd4e149cb3329af54da01329b5ca366257d)), TransactionOutput(4775 sats,pkh(fdefdff3f2240354c0aa9176f96321640ec1e435))),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 = 020000000117947b9b7e9192799874067311862000b37cc10907e838819919b3f5453d4dda000000006a47304402202476cf1ab465f625aacef7b007f9a5f24225b5db15ed1f2c7795528656e0352502203315be94104ec3eb71026cf86efaa8c5a70b417ad2e47823069e04622159964f01210398b46a231e275564b7427b89407d7bd7796d79f756d5eb1fcbb7ea172421d1f7000000000288130000000000001976a914f62debf6bead7e2ee5579ae8d278b1db19f4661188aca7120000000000001976a914551907beb7dc0c4c424081b5e001df52ba4c7f4488ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001510d9fe0ef1e6b47e5c82b3b4cfc88898b3a07c5a62e8cd0525aee2f26122375000000006a473044022026bbe34e595f4eb1f6560f7129c5a9f4a15f68abd5e8451abb108ed2deffe2b70220702a822d1dd92067c0de13962262a12c3081a526bb8f9e32f9f60f5374e73de6012103ede0e23dbe48e74d056f03852dcc964a4bec69f1db4abe1cbbe44158a1ca2127000000000288130000000000001976a9146077edd4e149cb3329af54da01329b5ca366257d88aca7120000000000001976a914fdefdff3f2240354c0aa9176f96321640ec1e43588ac00000000</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 © 2024 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(30450221009f96fc6f000b681534417cad4cd5bfa4cf751f37803ec63f8e5deee261040c7d022033a67e35d6e6a7f08f067e8e39fdb38011282973c94593e494394e93218bdb14)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402206b3bdd36a375d8036c040aa5fbfd08e740a834d448f8159199e627b5161d2dc802201cbd7d508a480cf33de228a7895ea1ce28cbb81c1f6066296e6c16dc79c07423)</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-type">HardenedType</span>.defaultOpt)))
<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(3045022100df95d415833da2308033b334e61a56d338b25f957fe2d6138424802354f90857022012f3c8c8b32149fff79f7fb85be5f71b9a25bd634cd215c5ade95e6dab536b6a)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402203f77b1128a582f99602cda75d07ce4589bd05c6cd564d59ea8e8610ef0554c7d022073b71d0977a3849d8eed7ea15235b0c80570f2a47482450c9378df182624494d)</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(30450221009f96fc6f000b681534417cad4cd5bfa4cf751f37803ec63f8e5deee261040c7d022033a67e35d6e6a7f08f067e8e39fdb38011282973c94593e494394e93218bdb14)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402206b3bdd36a375d8036c040aa5fbfd08e740a834d448f8159199e627b5161d2dc802201cbd7d508a480cf33de228a7895ea1ce28cbb81c1f6066296e6c16dc79c07423)</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-type">HardenedType</span>.defaultOpt)))
<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(3045022100df95d415833da2308033b334e61a56d338b25f957fe2d6138424802354f90857022012f3c8c8b32149fff79f7fb85be5f71b9a25bd634cd215c5ade95e6dab536b6a)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402203f77b1128a582f99602cda75d07ce4589bd05c6cd564d59ea8e8610ef0554c7d022073b71d0977a3849d8eed7ea15235b0c80570f2a47482450c9378df182624494d)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

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

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.9.9-132-18c74c13-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.9-133-5187eee4-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

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

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>1.9.9-132-18c74c13-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.9-133-5187eee4-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, 0x42466c5d421142e28955146caa0857e170b4c3b965742cc650d0816ba3dbbd44)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x8b13a5623b8f146f53ac119513a6aca7d28473677c30e56fb3fd9f3875fb6418)</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(drastic, cricket, blanket, loud, before, image, census, penalty, hole, expect, bicycle, seed, area, gift, tortoise, purse, coast, crater, crouch, actress, riot, universe, vital, naive)</span>
<span class="hljs-comment">// Vector(mention, outdoor, flat, jacket, vanish, dash, exchange, lion, never, outdoor, private, exile, choose, defy, over, maid, tornado, laugh, youth, dinosaur, mansion, world, motor, behave)</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-example10023090994882720256/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example12734350335454642998/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">HDPurpose</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-example10023090994882720256/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example12734350335454642998/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@353ec356)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@22fd542d)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ1P8uahtkUJCYfMG61cv75DPK3Dy1UHT5sfAxNdUdqMAL5m6Fxs179gKCcwsUe3Ho99ka8XcRcFpty3JJBGFxME1vLGzxe2</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaV1xgBxafxSuQVR4Dct8KnAXkaiewctD2G3DidENFq22H3m2sPus8fE8Ra91H5eszYAo1q5p77dvNmWUBZJaaaUuN6KnCsK</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ1P8uahtkUJCYfMG61cv75DPK3Dy1UHT5sfAxNdUdqMAL5m6Fxs179gKCcwsUe3Ho99ka8XcRcFpty3JJBGFxME1vLGzxe2</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeaV1xgBxafxSuQVR4Dct8KnAXkaiewctD2G3DidENFq22H3m2sPus8fE8Ra91H5eszYAo1q5p77dvNmWUBZJaaaUuN6KnCsK</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">HDPurpose</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10023090994882720256/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example12734350335454642998/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now, <span class="hljs-literal">false</span>)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@2bfb374b</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@ef292f5</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxC9cF1rPapgDEXw3rVaumXJGScoWXVnyJGv5y1Hj85yiQubSFbUgji9YCXL7KHTVLHc1SvBfcYzENKpzdpYD3FUbUZpqCqX</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyfnS1d75WJpv6Mzqz6r7zEFQtAJCTePjEfJ8jFtck5eaMsbNs2XYmDhMRUXF7j55Xgd3tcjsJ4NKr8JAXCaXfUjUvRSJ874</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxC9cF1rPapgDEXw3rVaumXJGScoWXVnyJGv5y1Hj85yiQubSFbUgji9YCXL7KHTVLHc1SvBfcYzENKpzdpYD3FUbUZpqCqX</span>
<span class="hljs-comment">// zpub6jftahH18ngZyfnS1d75WJpv6Mzqz6r7zEFQtAJCTePjEfJ8jFtck5eaMsbNs2XYmDhMRUXF7j55Xgd3tcjsJ4NKr8JAXCaXfUjUvRSJ874</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, 0x42466c5d421142e28955146caa0857e170b4c3b965742cc650d0816ba3dbbd44)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x8b13a5623b8f146f53ac119513a6aca7d28473677c30e56fb3fd9f3875fb6418)</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(drastic, cricket, blanket, loud, before, image, census, penalty, hole, expect, bicycle, seed, area, gift, tortoise, purse, coast, crater, crouch, actress, riot, universe, vital, naive)</span>
<span class="hljs-comment">// Vector(mention, outdoor, flat, jacket, vanish, dash, exchange, lion, never, outdoor, private, exile, choose, defy, over, maid, tornado, laugh, youth, dinosaur, mansion, world, motor, behave)</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-example10023090994882720256/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example12734350335454642998/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">HDPurpose</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-example10023090994882720256/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example12734350335454642998/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@353ec356)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@22fd542d)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ1P8uahtkUJCYfMG61cv75DPK3Dy1UHT5sfAxNdUdqMAL5m6Fxs179gKCcwsUe3Ho99ka8XcRcFpty3JJBGFxME1vLGzxe2</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaV1xgBxafxSuQVR4Dct8KnAXkaiewctD2G3DidENFq22H3m2sPus8fE8Ra91H5eszYAo1q5p77dvNmWUBZJaaaUuN6KnCsK</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ1P8uahtkUJCYfMG61cv75DPK3Dy1UHT5sfAxNdUdqMAL5m6Fxs179gKCcwsUe3Ho99ka8XcRcFpty3JJBGFxME1vLGzxe2</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeaV1xgBxafxSuQVR4Dct8KnAXkaiewctD2G3DidENFq22H3m2sPus8fE8Ra91H5eszYAo1q5p77dvNmWUBZJaaaUuN6KnCsK</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">HDPurpose</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example10023090994882720256/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example12734350335454642998/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now, <span class="hljs-literal">false</span>)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@2bfb374b</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@ef292f5</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxC9cF1rPapgDEXw3rVaumXJGScoWXVnyJGv5y1Hj85yiQubSFbUgji9YCXL7KHTVLHc1SvBfcYzENKpzdpYD3FUbUZpqCqX</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyfnS1d75WJpv6Mzqz6r7zEFQtAJCTePjEfJ8jFtck5eaMsbNs2XYmDhMRUXF7j55Xgd3tcjsJ4NKr8JAXCaXfUjUvRSJ874</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxC9cF1rPapgDEXw3rVaumXJGScoWXVnyJGv5y1Hj85yiQubSFbUgji9YCXL7KHTVLHc1SvBfcYzENKpzdpYD3FUbUZpqCqX</span>
<span class="hljs-comment">// zpub6jftahH18ngZyfnS1d75WJpv6Mzqz6r7zEFQtAJCTePjEfJ8jFtck5eaMsbNs2XYmDhMRUXF7j55Xgd3tcjsJ4NKr8JAXCaXfUjUvRSJ874</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(03954ffcb02079001713ffd07d1ca8d3fe7993f5bb4e18a56bbe11ed4da4417c54)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0219a47c9ab458241ab36afa679900160080ba24e0791761d72c3e8b3c3114d11b)</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(3045022100bbd18e29a4b865d1e924c65fc52c4d65fa7f4e42073e4c606325b1453f99162902206c363b54beb1a9c9a0b8f15161ad8fe2043e0db15577076a1cb047d00c18c64e)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022067dcaae160a745a6a63d2503d593304037c437764f1ddaa5a5b3af84503fe3f20220393f8f7643abcac1d9c26293ff6aef428755914ee0bd1800f192e386ca1df6e0)</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(03954ffcb02079001713ffd07d1ca8d3fe7993f5bb4e18a56bbe11ed4da4417c54)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0219a47c9ab458241ab36afa679900160080ba24e0791761d72c3e8b3c3114d11b)</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(3045022100bbd18e29a4b865d1e924c65fc52c4d65fa7f4e42073e4c606325b1453f99162902206c363b54beb1a9c9a0b8f15161ad8fe2043e0db15577076a1cb047d00c18c64e)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022067dcaae160a745a6a63d2503d593304037c437764f1ddaa5a5b3af84503fe3f20220393f8f7643abcac1d9c26293ff6aef428755914ee0bd1800f192e386ca1df6e0)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)