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10
docs/next/core/addresses.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02ce4bfba147ac0481bca3a8ec9d9f65e48ee0c605bb2d561e1d6d8f03970aa103)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03288c92c76d728d2566da1016542a7ecd585bd2d4629923e2a6a54b1ad38d2550)</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 = tb1q9xpvychua0dkdfd8w6k8vmx6e5nzcudklv5826</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q2k2yx9a4rk7pc4dzg03sc6m440m0027uvyjfhf</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q9xpvychua0dkdfd8w6k8vmx6e5nzcudklv5826</span>
<span class="hljs-comment">// tb1q2k2yx9a4rk7pc4dzg03sc6m440m0027uvyjfhf</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&#x27;re reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don&#x27;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 = mjJSeEeW2c6fu1jmMZudRRWNpkAh1Q3xiM</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = moKTLnkKV3BqRN9wYdSsZ3VbkA8YT5XUjU</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mjJSeEeW2c6fu1jmMZudRRWNpkAh1Q3xiM</span>
<span class="hljs-comment">// moKTLnkKV3BqRN9wYdSsZ3VbkA8YT5XUjU</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) {

10
docs/next/core/addresses/index.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02ce4bfba147ac0481bca3a8ec9d9f65e48ee0c605bb2d561e1d6d8f03970aa103)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03288c92c76d728d2566da1016542a7ecd585bd2d4629923e2a6a54b1ad38d2550)</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 = tb1q9xpvychua0dkdfd8w6k8vmx6e5nzcudklv5826</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q2k2yx9a4rk7pc4dzg03sc6m440m0027uvyjfhf</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q9xpvychua0dkdfd8w6k8vmx6e5nzcudklv5826</span>
<span class="hljs-comment">// tb1q2k2yx9a4rk7pc4dzg03sc6m440m0027uvyjfhf</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&#x27;re reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don&#x27;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 = mjJSeEeW2c6fu1jmMZudRRWNpkAh1Q3xiM</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = moKTLnkKV3BqRN9wYdSsZ3VbkA8YT5XUjU</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mjJSeEeW2c6fu1jmMZudRRWNpkAh1Q3xiM</span>
<span class="hljs-comment">// moKTLnkKV3BqRN9wYdSsZ3VbkA8YT5XUjU</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) {

12
docs/next/core/hd-keys.html
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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, 0x624b2a31f2c00245d1553456f7980ed1d883679cf6080e400c42374e39b0849a)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x554b25b4a8700c7f08d7e5e4821c91085d88c399188bc954f109dad7bb589cbc)</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(girl, flock, midnight, tortoise, ability, carry, earn, pledge, finger, rubber, admit, photo, market, record, inherit, scissors, atom, about, awesome, hub, toe, success, bar, fade) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(fetch, float, honey, extend, absorb, display, cash, witness, tonight, axis, cattle, awful, sudden, gift, good, badge, sing, pole, draw, remember, knife, proof, indicate, lottery) // 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 = zpub6jftahH18ngZybBN72zv6pfNsesWVTrkwn1HXKxxdoGPE9kMLdv7hSQt2NDxSQJRpzpo7ykDAvudk26fgLuTLNatyKjo343aX8q3dihxWxc</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxWtfMDiGwFx6a7qLTeazh937x6icFjD1pZ8knpWbXuTz1dG4FDWFjQ3RoQvfN7ductiPpRoU3xt1uPY5paTQb8tna53ZGEu</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 = zpub6rf8qVTsQUmboUF5dwUNUNZUi8h86Fqaq9TCTAsAJMkXguU9W5UzHHhSfAaagGwfhiXfVuhNUGXK7YS1oQQG9rpC21yrWYXZMdyWACHUY4R</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6s4mZnmAqsrpDG45oKamLC9LcwF8btcJiYiuPKzNGuiiMttLKo1kmk1LoMYSxVWmGqzoTbt3DxgVYDKVU268qaY9x4Yv7eoLdyPXgt4NVbC</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 = tb1q5s9a0pfzfhdlay58x3r5ygkhhn5c58r7evw38v</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qnagdrg5a78yrn3nnvtq9ll4z208ualgwp4xh5r</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 = tb1q5s9a0pfzfhdlay58x3r5ygkhhn5c58r7evw38v</span>
<span class="hljs-comment">// res2: String = tb1qnagdrg5a78yrn3nnvtq9ll4z208ualgwp4xh5r</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>

12
docs/next/core/hd-keys/index.html
View file

@ -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, 0x624b2a31f2c00245d1553456f7980ed1d883679cf6080e400c42374e39b0849a)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x554b25b4a8700c7f08d7e5e4821c91085d88c399188bc954f109dad7bb589cbc)</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(girl, flock, midnight, tortoise, ability, carry, earn, pledge, finger, rubber, admit, photo, market, record, inherit, scissors, atom, about, awesome, hub, toe, success, bar, fade) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(fetch, float, honey, extend, absorb, display, cash, witness, tonight, axis, cattle, awful, sudden, gift, good, badge, sing, pole, draw, remember, knife, proof, indicate, lottery) // 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 = zpub6jftahH18ngZybBN72zv6pfNsesWVTrkwn1HXKxxdoGPE9kMLdv7hSQt2NDxSQJRpzpo7ykDAvudk26fgLuTLNatyKjo343aX8q3dihxWxc</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxWtfMDiGwFx6a7qLTeazh937x6icFjD1pZ8knpWbXuTz1dG4FDWFjQ3RoQvfN7ductiPpRoU3xt1uPY5paTQb8tna53ZGEu</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 = zpub6rf8qVTsQUmboUF5dwUNUNZUi8h86Fqaq9TCTAsAJMkXguU9W5UzHHhSfAaagGwfhiXfVuhNUGXK7YS1oQQG9rpC21yrWYXZMdyWACHUY4R</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6s4mZnmAqsrpDG45oKamLC9LcwF8btcJiYiuPKzNGuiiMttLKo1kmk1LoMYSxVWmGqzoTbt3DxgVYDKVU268qaY9x4Yv7eoLdyPXgt4NVbC</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 = tb1q5s9a0pfzfhdlay58x3r5ygkhhn5c58r7evw38v</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qnagdrg5a78yrn3nnvtq9ll4z208ualgwp4xh5r</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 = tb1q5s9a0pfzfhdlay58x3r5ygkhhn5c58r7evw38v</span>
<span class="hljs-comment">// res2: String = tb1qnagdrg5a78yrn3nnvtq9ll4z208ualgwp4xh5r</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>

36
docs/next/core/txbuilder.html
View file

@ -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$$anon$3@47b08fe5[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@656c86be[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8)</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(50810b0433d1865663cd5d0b370ffd69509a258e)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(f8975382b6e69784d15dad8c343f87183a7be89c)</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(50810b0433d1865663cd5d0b370ffd69509a258e))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(f8975382b6e69784d15dad8c343f87183a7be89c))</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(809e2aa10bbc3f5c63907241a698a1c011381f2c)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d)</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(809e2aa10bbc3f5c63907241a698a1c011381f2c)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d)))</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(50810b0433d1865663cd5d0b370ffd69509a258e))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f8975382b6e69784d15dad8c343f87183a7be89c))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly &quot;link&quot; 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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c: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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c: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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(809e2aa10bbc3f5c63907241a698a1c011381f2c))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d))),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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),10000 sats,ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),10000 sats,ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(29c1c638551f8dea872facccb8e9bd6575227ec4)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(6a311ae18a8509bdec30a2bb394cdc24851724cc)</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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),10000 sats,ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd))),1 sats/byte,pkh(29c1c638551f8dea872facccb8e9bd6575227ec4))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),10000 sats,ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8))),1 sats/byte,pkh(6a311ae18a8509bdec30a2bb394cdc24851724cc))</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> unsignedTxF: <span class="hljs-type">Future</span>[<span class="hljs-type">Transaction</span>] = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(809e2aa10bbc3f5c63907241a698a1c011381f2c)), TransactionOutput(4775 sats,pkh(29c1c638551f8dea872facccb8e9bd6575227ec4))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d)), TransactionOutput(4775 sats,pkh(6a311ae18a8509bdec30a2bb394cdc24851724cc))),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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),10000 sats,ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(50810b0433d1865663cd5d0b370ffd69509a258e))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),10000 sats,ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f8975382b6e69784d15dad8c343f87183a7be89c))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),10000 sats,ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(50810b0433d1865663cd5d0b370ffd69509a258e))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),10000 sats,ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f8975382b6e69784d15dad8c343f87183a7be89c))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The &#x27;sign&#x27; method is going produce a validly signed transaction</span>
@ -201,7 +201,7 @@ builder += input
}
<span class="hljs-type">Await</span>.result(signedTxF, <span class="hljs-number">30.</span>seconds)
}
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),P2PKHScriptSignature(ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd), ECDigitalSignature(3044022057f66c771984cecf26cecd2cacba62b7c9d4ec35d6466135d8dbb4d06f71b03a02204e871e3a11e37c1ec12bd6f30ed7e7102a3824402d3ea58ebe404d4669541ded01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(809e2aa10bbc3f5c63907241a698a1c011381f2c)), TransactionOutput(4775 sats,pkh(29c1c638551f8dea872facccb8e9bd6575227ec4))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),P2PKHScriptSignature(ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8), ECDigitalSignature(3044022010c4daa7e3d35d313e42213a7e6f6125fa82dab6495b9acaa0984410fac58f2a022073a1f98205719f84da9e44f01f3dcbebb74bb90ae8a18e97a109571cb938ab4a01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d)), TransactionOutput(4775 sats,pkh(6a311ae18a8509bdec30a2bb394cdc24851724cc))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -211,7 +211,7 @@ 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 = 020000000131be98a9e85cdbf1235dac4e9ad82cc0abe088a4ce667647e490baa2105ceb3b000000006a473044022057f66c771984cecf26cecd2cacba62b7c9d4ec35d6466135d8dbb4d06f71b03a02204e871e3a11e37c1ec12bd6f30ed7e7102a3824402d3ea58ebe404d4669541ded0121033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd000000000288130000000000001976a914809e2aa10bbc3f5c63907241a698a1c011381f2c88aca7120000000000001976a91429c1c638551f8dea872facccb8e9bd6575227ec488ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000010cf6ddc713194ef2d539914f57166f25a6d3abb9e0e3e24a037c96c322008eb8000000006a473044022010c4daa7e3d35d313e42213a7e6f6125fa82dab6495b9acaa0984410fac58f2a022073a1f98205719f84da9e44f01f3dcbebb74bb90ae8a18e97a109571cb938ab4a012102faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8000000000288130000000000001976a914d66d1b4fd7d05fb5bb77add69683535f3bece20d88aca7120000000000001976a9146a311ae18a8509bdec30a2bb394cdc24851724cc88ac00000000</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$$anon$3@47b08fe5[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@656c86be[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8)</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(50810b0433d1865663cd5d0b370ffd69509a258e)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(f8975382b6e69784d15dad8c343f87183a7be89c)</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(50810b0433d1865663cd5d0b370ffd69509a258e))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(f8975382b6e69784d15dad8c343f87183a7be89c))</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(809e2aa10bbc3f5c63907241a698a1c011381f2c)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d)</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(809e2aa10bbc3f5c63907241a698a1c011381f2c)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d)))</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(50810b0433d1865663cd5d0b370ffd69509a258e))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f8975382b6e69784d15dad8c343f87183a7be89c))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly &quot;link&quot; 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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c: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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c: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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(809e2aa10bbc3f5c63907241a698a1c011381f2c))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d))),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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),10000 sats,ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),10000 sats,ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(29c1c638551f8dea872facccb8e9bd6575227ec4)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(6a311ae18a8509bdec30a2bb394cdc24851724cc)</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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),10000 sats,ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd))),1 sats/byte,pkh(29c1c638551f8dea872facccb8e9bd6575227ec4))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),10000 sats,ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8))),1 sats/byte,pkh(6a311ae18a8509bdec30a2bb394cdc24851724cc))</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> unsignedTxF: <span class="hljs-type">Future</span>[<span class="hljs-type">Transaction</span>] = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(809e2aa10bbc3f5c63907241a698a1c011381f2c)), TransactionOutput(4775 sats,pkh(29c1c638551f8dea872facccb8e9bd6575227ec4))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d)), TransactionOutput(4775 sats,pkh(6a311ae18a8509bdec30a2bb394cdc24851724cc))),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(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),10000 sats,ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(50810b0433d1865663cd5d0b370ffd69509a258e))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),10000 sats,ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f8975382b6e69784d15dad8c343f87183a7be89c))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),10000 sats,ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(50810b0433d1865663cd5d0b370ffd69509a258e))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),10000 sats,ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f8975382b6e69784d15dad8c343f87183a7be89c))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The &#x27;sign&#x27; method is going produce a validly signed transaction</span>
@ -201,7 +201,7 @@ builder += input
}
<span class="hljs-type">Await</span>.result(signedTxF, <span class="hljs-number">30.</span>seconds)
}
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3beb5c10a2ba90e4477666cea488e0abc02cd89a4eac5d23f1db5ce8a998be31:0),P2PKHScriptSignature(ECPublicKey(033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd), ECDigitalSignature(3044022057f66c771984cecf26cecd2cacba62b7c9d4ec35d6466135d8dbb4d06f71b03a02204e871e3a11e37c1ec12bd6f30ed7e7102a3824402d3ea58ebe404d4669541ded01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(809e2aa10bbc3f5c63907241a698a1c011381f2c)), TransactionOutput(4775 sats,pkh(29c1c638551f8dea872facccb8e9bd6575227ec4))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(b88e0022c3967c034ae2e3e0b9abd3a6256f16574f9139d5f24e1913c7ddf60c:0),P2PKHScriptSignature(ECPublicKey(02faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8), ECDigitalSignature(3044022010c4daa7e3d35d313e42213a7e6f6125fa82dab6495b9acaa0984410fac58f2a022073a1f98205719f84da9e44f01f3dcbebb74bb90ae8a18e97a109571cb938ab4a01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(d66d1b4fd7d05fb5bb77add69683535f3bece20d)), TransactionOutput(4775 sats,pkh(6a311ae18a8509bdec30a2bb394cdc24851724cc))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -211,7 +211,7 @@ 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 = 020000000131be98a9e85cdbf1235dac4e9ad82cc0abe088a4ce667647e490baa2105ceb3b000000006a473044022057f66c771984cecf26cecd2cacba62b7c9d4ec35d6466135d8dbb4d06f71b03a02204e871e3a11e37c1ec12bd6f30ed7e7102a3824402d3ea58ebe404d4669541ded0121033575b51716813a8fa0756dbba7733239f6bd205ba94294fcaa7adfc67c35d6dd000000000288130000000000001976a914809e2aa10bbc3f5c63907241a698a1c011381f2c88aca7120000000000001976a91429c1c638551f8dea872facccb8e9bd6575227ec488ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000010cf6ddc713194ef2d539914f57166f25a6d3abb9e0e3e24a037c96c322008eb8000000006a473044022010c4daa7e3d35d313e42213a7e6f6125fa82dab6495b9acaa0984410fac58f2a022073a1f98205719f84da9e44f01f3dcbebb74bb90ae8a18e97a109571cb938ab4a012102faf66a2bad0a166c979de6f1c3b50eab4fcbc26543dcea69c8e7952652e8c6d8000000000288130000000000001976a914d66d1b4fd7d05fb5bb77add69683535f3bece20d88aca7120000000000001976a9146a311ae18a8509bdec30a2bb394cdc24851724cc88ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/psbts"><span class="arrow-prev">← </span><span>Partially Signed Bitcoin Transactions</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(3045022100ddf84466ce74b9c5a759d9d9bd37b15b64976db927bfefc208aef76cb26b00b102203a6cf75d7b53bf691d9325d4d9ee3b97b40d2b51b6e3463fd940f516be771d44)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402202861a61915d4d51d5da9ef06c96835e21246281fdcb215c602d2c2ed999a8fc70220263a0d879c98798575c7167b5df747d79c74d4b5297601094467a285ded9064a)</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(30440220641fd8732b10f3976dcedc9a73f06397c5d8fb847a013a3b4f98e03ebe1ff11d02207e571542a9cf1a5af92436a71a6e1e265291c494ae5eaafee68be70937102cd6)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402207a62c5743816d73d429655df8c4417179c21bb027e09b8cf55be768ebbd785480220363501a0d720d1e84d5dfb73b5ea3dfcdb2558497bd4a226bd848f250d7e3c59)</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(3045022100ddf84466ce74b9c5a759d9d9bd37b15b64976db927bfefc208aef76cb26b00b102203a6cf75d7b53bf691d9325d4d9ee3b97b40d2b51b6e3463fd940f516be771d44)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402202861a61915d4d51d5da9ef06c96835e21246281fdcb215c602d2c2ed999a8fc70220263a0d879c98798575c7167b5df747d79c74d4b5297601094467a285ded9064a)</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(30440220641fd8732b10f3976dcedc9a73f06397c5d8fb847a013a3b4f98e03ebe1ff11d02207e571542a9cf1a5af92436a71a6e1e265291c494ae5eaafee68be70937102cd6)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402207a62c5743816d73d429655df8c4417179c21bb027e09b8cf55be768ebbd785480220363501a0d720d1e84d5dfb73b5ea3dfcdb2558497bd4a226bd848f250d7e3c59)</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

@ -120,7 +120,7 @@ libraryDependencies += <span class="hljs-string">&quot;org.bitcoin-s&quot;</span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>0.4.0+230-223be805-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+231-056702f6-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">&quot;snapshots&quot;</span>)

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

@ -120,7 +120,7 @@ libraryDependencies += <span class="hljs-string">&quot;org.bitcoin-s&quot;</span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>0.4.0+230-223be805-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+231-056702f6-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">&quot;snapshots&quot;</span>)

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

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x4a50fa2bcb1586dc378b0ac37ff6660395ef83e3ee22727e46de36222b0a80d3)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa87165ab46f452d100643ecc436a332d5c58f44e32d14f27fbc7c4e20a25584b)</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(engage, march, memory, normal, flash, host, taste, genuine, sell, zero, office, already, galaxy, sea, moral, session, include, vendor, resource, hobby, cargo, luxury, addict, guard)</span>
<span class="hljs-comment">// Vector(position, menu, hello, mistake, early, hammer, account, march, slush, brave, mimic, follow, sheriff, kick, decide, focus, execute, divert, vehicle, mean, camera, bargain, gentle, junk)</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 &#x27;key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called &quot;encrypted-bitcoin-s-seed.json&quot;</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">&quot;key-manager-example&quot;</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-example7565718464290302457/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example823877225537768301/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let&#x27;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-example7565718464290302457/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example823877225537768301/encrypted-bitcoin-s-seed.json,m/84&#x27;,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">&quot;password&quot;</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@2b602da5)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@3417ac07)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZVcH1d314NjCxPPaNRbcX2egyTA9PWW4ct5wVMJWhuLfEoj8Uvyw2x56SyrL4qCu1H7i8jvUuhiu74816Rc8zsxPW6pQGMz</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYBRHV3xJdU8htbG83G82RGwZYi8ABuNTRGxVPvn77tfph9obgV6zeUppN89h4nrvcLuZfizP56u86JfpRhv3mmM3xBciWZa</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZVcH1d314NjCxPPaNRbcX2egyTA9PWW4ct5wVMJWhuLfEoj8Uvyw2x56SyrL4qCu1H7i8jvUuhiu74816Rc8zsxPW6pQGMz</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYBRHV3xJdU8htbG83G82RGwZYi8ABuNTRGxVPvn77tfph9obgV6zeUppN89h4nrvcLuZfizP56u86JfpRhv3mmM3xBciWZa</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&#x27;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-example7565718464290302457/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example823877225537768301/encrypted-bitcoin-s-seed.json,m/84&#x27;,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@525d9b16</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@5398b334</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxgNkM4BVtj7DeFyN8uZcBUja72jguY1aqHLrVyxmC9yDKdZUUZbcfWYKStEZuUd6YRZy1XaY6eTJaQuhS4t65nCy4Qo3rM9</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwNBkpV6oTpWiaTquok625j2SgHhhhvsydgDQQZSMc9JNmydwg7igH3J3N2XvuSH89VMpYWeSG3dXZfTWmMBzrfbdWV5WC8R</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxgNkM4BVtj7DeFyN8uZcBUja72jguY1aqHLrVyxmC9yDKdZUUZbcfWYKStEZuUd6YRZy1XaY6eTJaQuhS4t65nCy4Qo3rM9</span>
<span class="hljs-comment">// zpub6jftahH18ngZwNBkpV6oTpWiaTquok625j2SgHhhhvsydgDQQZSMc9JNmydwg7igH3J3N2XvuSH89VMpYWeSG3dXZfTWmMBzrfbdWV5WC8R</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, 0x4a50fa2bcb1586dc378b0ac37ff6660395ef83e3ee22727e46de36222b0a80d3)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa87165ab46f452d100643ecc436a332d5c58f44e32d14f27fbc7c4e20a25584b)</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(engage, march, memory, normal, flash, host, taste, genuine, sell, zero, office, already, galaxy, sea, moral, session, include, vendor, resource, hobby, cargo, luxury, addict, guard)</span>
<span class="hljs-comment">// Vector(position, menu, hello, mistake, early, hammer, account, march, slush, brave, mimic, follow, sheriff, kick, decide, focus, execute, divert, vehicle, mean, camera, bargain, gentle, junk)</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 &#x27;key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called &quot;encrypted-bitcoin-s-seed.json&quot;</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">&quot;key-manager-example&quot;</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-example7565718464290302457/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example823877225537768301/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let&#x27;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-example7565718464290302457/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example823877225537768301/encrypted-bitcoin-s-seed.json,m/84&#x27;,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">&quot;password&quot;</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@2b602da5)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@3417ac07)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZVcH1d314NjCxPPaNRbcX2egyTA9PWW4ct5wVMJWhuLfEoj8Uvyw2x56SyrL4qCu1H7i8jvUuhiu74816Rc8zsxPW6pQGMz</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYBRHV3xJdU8htbG83G82RGwZYi8ABuNTRGxVPvn77tfph9obgV6zeUppN89h4nrvcLuZfizP56u86JfpRhv3mmM3xBciWZa</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZVcH1d314NjCxPPaNRbcX2egyTA9PWW4ct5wVMJWhuLfEoj8Uvyw2x56SyrL4qCu1H7i8jvUuhiu74816Rc8zsxPW6pQGMz</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYBRHV3xJdU8htbG83G82RGwZYi8ABuNTRGxVPvn77tfph9obgV6zeUppN89h4nrvcLuZfizP56u86JfpRhv3mmM3xBciWZa</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&#x27;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-example7565718464290302457/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example823877225537768301/encrypted-bitcoin-s-seed.json,m/84&#x27;,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@525d9b16</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@5398b334</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxgNkM4BVtj7DeFyN8uZcBUja72jguY1aqHLrVyxmC9yDKdZUUZbcfWYKStEZuUd6YRZy1XaY6eTJaQuhS4t65nCy4Qo3rM9</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwNBkpV6oTpWiaTquok625j2SgHhhhvsydgDQQZSMc9JNmydwg7igH3J3N2XvuSH89VMpYWeSG3dXZfTWmMBzrfbdWV5WC8R</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxgNkM4BVtj7DeFyN8uZcBUja72jguY1aqHLrVyxmC9yDKdZUUZbcfWYKStEZuUd6YRZy1XaY6eTJaQuhS4t65nCy4Qo3rM9</span>
<span class="hljs-comment">// zpub6jftahH18ngZwNBkpV6oTpWiaTquok625j2SgHhhhvsydgDQQZSMc9JNmydwg7igH3J3N2XvuSH89VMpYWeSG3dXZfTWmMBzrfbdWV5WC8R</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

@ -114,12 +114,12 @@ println(<span class="hljs-string">s&quot;Verified with NativeSecp256k1 again=<sp
<pre><code class="hljs css language-scala"><span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKeyWithBouncyCastle
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(024b20775d8e617171aca90efdcdcd7d921cfe6a0a6c0f290f6ff576f4bf66436f)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03925692b4c94e4de7ecf2508466f74db2e80987d2e37589b7a9bd758200e63eb3)</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-keyword">val</span> signature = privKey.signWithBouncyCastle(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402200d4822216b7ee769af07b1abce50d1cd8e287a1859d046870780d6725c94ffe50220494a5591d24eb00ab2695172280905d7d5e8ed99536504bada4575a81fa31258)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022005c1f52492620f23c685f6ce344437ad64311c776cdf554bc88c8b5f4431a47f02203500fb2fb992718ada352e3b4e061349033bba5fdbfcfa0ef38923d6b351a55f)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>

4
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View file

@ -114,12 +114,12 @@ println(<span class="hljs-string">s&quot;Verified with NativeSecp256k1 again=<sp
<pre><code class="hljs css language-scala"><span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKeyWithBouncyCastle
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(024b20775d8e617171aca90efdcdcd7d921cfe6a0a6c0f290f6ff576f4bf66436f)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03925692b4c94e4de7ecf2508466f74db2e80987d2e37589b7a9bd758200e63eb3)</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-keyword">val</span> signature = privKey.signWithBouncyCastle(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402200d4822216b7ee769af07b1abce50d1cd8e287a1859d046870780d6725c94ffe50220494a5591d24eb00ab2695172280905d7d5e8ed99536504bada4575a81fa31258)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022005c1f52492620f23c685f6ce344437ad64311c776cdf554bc88c8b5f4431a47f02203500fb2fb992718ada352e3b4e061349033bba5fdbfcfa0ef38923d6b351a55f)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>