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10
docs/next/core/addresses.html
View file

@ -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(02d2b70494fb12586ca3c7bd43d81a643b0180dea71d9affe8420372eecc6c7812)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0398f9cfc2b3251f02c4bd6b042cd1b4d731025e7f380b6cabfca2660782a731a2)</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 = tb1q37yu4qwe2e4tl5h3c9rtknn0vw97gh5qkjqljd</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qkqtmnkz4m2ll3fftylwj452t8wczr5j5dvcy0q</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q37yu4qwe2e4tl5h3c9rtknn0vw97gh5qkjqljd</span>
<span class="hljs-comment">// tb1qkqtmnkz4m2ll3fftylwj452t8wczr5j5dvcy0q</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 = mtbuzNithYCGbL5Mra1VVEX3CySAga86d3</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mwa3eKnAHUw9aLDpmKkEpw5yibr4m15oG3</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mtbuzNithYCGbL5Mra1VVEX3CySAga86d3</span>
<span class="hljs-comment">// mwa3eKnAHUw9aLDpmKkEpw5yibr4m15oG3</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 © 2020 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(02d2b70494fb12586ca3c7bd43d81a643b0180dea71d9affe8420372eecc6c7812)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0398f9cfc2b3251f02c4bd6b042cd1b4d731025e7f380b6cabfca2660782a731a2)</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 = tb1q37yu4qwe2e4tl5h3c9rtknn0vw97gh5qkjqljd</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qkqtmnkz4m2ll3fftylwj452t8wczr5j5dvcy0q</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q37yu4qwe2e4tl5h3c9rtknn0vw97gh5qkjqljd</span>
<span class="hljs-comment">// tb1qkqtmnkz4m2ll3fftylwj452t8wczr5j5dvcy0q</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 = mtbuzNithYCGbL5Mra1VVEX3CySAga86d3</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mwa3eKnAHUw9aLDpmKkEpw5yibr4m15oG3</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mtbuzNithYCGbL5Mra1VVEX3CySAga86d3</span>
<span class="hljs-comment">// mwa3eKnAHUw9aLDpmKkEpw5yibr4m15oG3</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 © 2020 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, 0x99ac74804c972f80b1ffbc04a4bd5c4babc512ad0f6f79a598870a35f1a6b52e)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x794b59d12ed6faa309223257a267d803d5b922ff9df636698b0cdc348225fd96)</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(often, glove, cactus, odor, indicate, scare, side, wasp, again, chalk, finish, nuclear, rough, matter, reflect, unknown, keen, coast, canyon, behave, gallery, spy, start, task) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(junk, food, inmate, frozen, hurry, face, cause, edge, fish, basket, voyage, amateur, fortune, multiply, wrist, salute, cushion, era, segment, reveal, else, base, wagon, share) // 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 = zpub6jftahH18ngZwewccybZP6aXgn2jq2ojDh2PVuWFGWKcuCpcfHLp685GCbookeEi33AAsWkn1gWzXJH5eQdPKEKE3BXSWjXHaLPGVvwQ8ga</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxcriz2e2ZEhpuu6Kz4PbQAMLMarNL9gNJhW3qMzv6bhck9HzyJsa3GbP9PMyiTcX3UUanyULQoWfs4gE6rn1NCfv3q4no6h</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 = zpub6qbKY6RaZFiN4peCMiqSbU5HoBDjCc3ocx22i3guxhTpVAeNshErcojFrsmdFAEddQWFx88L6EuDWLbKGpwXckbt7kH5b8x7e8mDHb4u1eX</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6s3wtrFpHmqeD7o4r4mn7BJL6QJCkxyhooUvHrwA7S1nX4rKXov1fPKW1HF1fsPXoecQTCZjGWDJ342NrnCKeaZ7wTgZ3cSZGxu1F2hRHQX</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 = tb1q6huwj02ysdqlqxg8j5athtvpuyalds2w4cpu43</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qe656hh0zh50llvc47lvdj2599ssryknxrcpfll</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 = tb1q6huwj02ysdqlqxg8j5athtvpuyalds2w4cpu43</span>
<span class="hljs-comment">// res2: String = tb1qe656hh0zh50llvc47lvdj2599ssryknxrcpfll</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, 0x99ac74804c972f80b1ffbc04a4bd5c4babc512ad0f6f79a598870a35f1a6b52e)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x794b59d12ed6faa309223257a267d803d5b922ff9df636698b0cdc348225fd96)</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(often, glove, cactus, odor, indicate, scare, side, wasp, again, chalk, finish, nuclear, rough, matter, reflect, unknown, keen, coast, canyon, behave, gallery, spy, start, task) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(junk, food, inmate, frozen, hurry, face, cause, edge, fish, basket, voyage, amateur, fortune, multiply, wrist, salute, cushion, era, segment, reveal, else, base, wagon, share) // 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 = zpub6jftahH18ngZwewccybZP6aXgn2jq2ojDh2PVuWFGWKcuCpcfHLp685GCbookeEi33AAsWkn1gWzXJH5eQdPKEKE3BXSWjXHaLPGVvwQ8ga</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxcriz2e2ZEhpuu6Kz4PbQAMLMarNL9gNJhW3qMzv6bhck9HzyJsa3GbP9PMyiTcX3UUanyULQoWfs4gE6rn1NCfv3q4no6h</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 = zpub6qbKY6RaZFiN4peCMiqSbU5HoBDjCc3ocx22i3guxhTpVAeNshErcojFrsmdFAEddQWFx88L6EuDWLbKGpwXckbt7kH5b8x7e8mDHb4u1eX</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6s3wtrFpHmqeD7o4r4mn7BJL6QJCkxyhooUvHrwA7S1nX4rKXov1fPKW1HF1fsPXoecQTCZjGWDJ342NrnCKeaZ7wTgZ3cSZGxu1F2hRHQX</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 = tb1q6huwj02ysdqlqxg8j5athtvpuyalds2w4cpu43</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qe656hh0zh50llvc47lvdj2599ssryknxrcpfll</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 = tb1q6huwj02ysdqlqxg8j5athtvpuyalds2w4cpu43</span>
<span class="hljs-comment">// res2: String = tb1qe656hh0zh50llvc47lvdj2599ssryknxrcpfll</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$$anon$3@2530d114[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@4a1ada77[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, 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(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444)</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(aa3b8bac6fe2982b671955233d72ac8ee2655fba)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(f1e5fc71257c8f69d512687fbf2b23d264058087)</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(aa3b8bac6fe2982b671955233d72ac8ee2655fba))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(f1e5fc71257c8f69d512687fbf2b23d264058087))</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(17f184c4e4dbf7699421fb64be020f7ed3a413b6)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a)</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(17f184c4e4dbf7699421fb64be020f7ed3a413b6)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a)))</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(aa3b8bac6fe2982b671955233d72ac8ee2655fba))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f1e5fc71257c8f69d512687fbf2b23d264058087))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b: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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b: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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(17f184c4e4dbf7699421fb64be020f7ed3a413b6))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),10000 sats,ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),10000 sats,ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444))</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(dd432cd0097056b2030946f4938f94b20bb4941f)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(03aad37e92550ca73c4c33a6f9986d29135f4d7a)</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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),10000 sats,ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf))),1 sats/byte,pkh(dd432cd0097056b2030946f4938f94b20bb4941f))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),10000 sats,ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444))),1 sats/byte,pkh(03aad37e92550ca73c4c33a6f9986d29135f4d7a))</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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(17f184c4e4dbf7699421fb64be020f7ed3a413b6)), TransactionOutput(4775 sats,pkh(dd432cd0097056b2030946f4938f94b20bb4941f))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a)), TransactionOutput(4775 sats,pkh(03aad37e92550ca73c4c33a6f9986d29135f4d7a))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),10000 sats,ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(aa3b8bac6fe2982b671955233d72ac8ee2655fba))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),10000 sats,ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f1e5fc71257c8f69d512687fbf2b23d264058087))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),10000 sats,ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(aa3b8bac6fe2982b671955233d72ac8ee2655fba))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),10000 sats,ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f1e5fc71257c8f69d512687fbf2b23d264058087))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),P2PKHScriptSignature(ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf), ECDigitalSignature(304402201e38506a918dc71a881f019aed6edd6554e5eae6ab37beaeac20d4e947f5506102203bc73c13c5d1828137015c6acc3b76164b9193050fb84867803668b6b729d88d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(17f184c4e4dbf7699421fb64be020f7ed3a413b6)), TransactionOutput(4775 sats,pkh(dd432cd0097056b2030946f4938f94b20bb4941f))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),P2PKHScriptSignature(ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444), ECDigitalSignature(3044022001035d98aadc3ec971126068bb965a82a56ebcb4a62c823771a939cb81bd632d0220017877547c91b0bea5f637796aeccdc4c4b4566812d60d133c042e5b830eed1001)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a)), TransactionOutput(4775 sats,pkh(03aad37e92550ca73c4c33a6f9986d29135f4d7a))),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 = 0200000001a42e6084e9c5d6ef7aab864d37772fc47b9fa5ccc67ad59b3b224845bd4d4693000000006a47304402201e38506a918dc71a881f019aed6edd6554e5eae6ab37beaeac20d4e947f5506102203bc73c13c5d1828137015c6acc3b76164b9193050fb84867803668b6b729d88d012103d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf000000000288130000000000001976a91417f184c4e4dbf7699421fb64be020f7ed3a413b688aca7120000000000001976a914dd432cd0097056b2030946f4938f94b20bb4941f88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000018b1ea64a82f0617c7a95d320b32363a64d7a5015fc7bc3ab1b867c3238107b2f000000006a473044022001035d98aadc3ec971126068bb965a82a56ebcb4a62c823771a939cb81bd632d0220017877547c91b0bea5f637796aeccdc4c4b4566812d60d133c042e5b830eed1001210223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444000000000288130000000000001976a91416e78aaceceec3deb1ec46f1db2c289d5b586a5a88aca7120000000000001976a91403aad37e92550ca73c4c33a6f9986d29135f4d7a88ac00000000</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$$anon$3@2530d114[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@4a1ada77[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, 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(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444)</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(aa3b8bac6fe2982b671955233d72ac8ee2655fba)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(f1e5fc71257c8f69d512687fbf2b23d264058087)</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(aa3b8bac6fe2982b671955233d72ac8ee2655fba))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(f1e5fc71257c8f69d512687fbf2b23d264058087))</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(17f184c4e4dbf7699421fb64be020f7ed3a413b6)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a)</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(17f184c4e4dbf7699421fb64be020f7ed3a413b6)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a)))</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(aa3b8bac6fe2982b671955233d72ac8ee2655fba))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f1e5fc71257c8f69d512687fbf2b23d264058087))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b: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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b: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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(17f184c4e4dbf7699421fb64be020f7ed3a413b6))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),10000 sats,ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),10000 sats,ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444))</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(dd432cd0097056b2030946f4938f94b20bb4941f)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(03aad37e92550ca73c4c33a6f9986d29135f4d7a)</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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),10000 sats,ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf))),1 sats/byte,pkh(dd432cd0097056b2030946f4938f94b20bb4941f))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),10000 sats,ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444))),1 sats/byte,pkh(03aad37e92550ca73c4c33a6f9986d29135f4d7a))</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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(17f184c4e4dbf7699421fb64be020f7ed3a413b6)), TransactionOutput(4775 sats,pkh(dd432cd0097056b2030946f4938f94b20bb4941f))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a)), TransactionOutput(4775 sats,pkh(03aad37e92550ca73c4c33a6f9986d29135f4d7a))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),10000 sats,ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(aa3b8bac6fe2982b671955233d72ac8ee2655fba))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),10000 sats,ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f1e5fc71257c8f69d512687fbf2b23d264058087))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),10000 sats,ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(aa3b8bac6fe2982b671955233d72ac8ee2655fba))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),10000 sats,ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f1e5fc71257c8f69d512687fbf2b23d264058087))),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(93464dbd4548223b9bd57ac6cca59f7bc42f77374d86ab7aefd6c5e984602ea4:0),P2PKHScriptSignature(ECPublicKey(03d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf), ECDigitalSignature(304402201e38506a918dc71a881f019aed6edd6554e5eae6ab37beaeac20d4e947f5506102203bc73c13c5d1828137015c6acc3b76164b9193050fb84867803668b6b729d88d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(17f184c4e4dbf7699421fb64be020f7ed3a413b6)), TransactionOutput(4775 sats,pkh(dd432cd0097056b2030946f4938f94b20bb4941f))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(2f7b1038327c861babc37bfc15507a4da66323b320d3957a7c61f0824aa61e8b:0),P2PKHScriptSignature(ECPublicKey(0223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444), ECDigitalSignature(3044022001035d98aadc3ec971126068bb965a82a56ebcb4a62c823771a939cb81bd632d0220017877547c91b0bea5f637796aeccdc4c4b4566812d60d133c042e5b830eed1001)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(16e78aaceceec3deb1ec46f1db2c289d5b586a5a)), TransactionOutput(4775 sats,pkh(03aad37e92550ca73c4c33a6f9986d29135f4d7a))),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 = 0200000001a42e6084e9c5d6ef7aab864d37772fc47b9fa5ccc67ad59b3b224845bd4d4693000000006a47304402201e38506a918dc71a881f019aed6edd6554e5eae6ab37beaeac20d4e947f5506102203bc73c13c5d1828137015c6acc3b76164b9193050fb84867803668b6b729d88d012103d306600f064c130df38e67adf0f79fda65840b58e4835e952797cfdb25d34ddf000000000288130000000000001976a91417f184c4e4dbf7699421fb64be020f7ed3a413b688aca7120000000000001976a914dd432cd0097056b2030946f4938f94b20bb4941f88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000018b1ea64a82f0617c7a95d320b32363a64d7a5015fc7bc3ab1b867c3238107b2f000000006a473044022001035d98aadc3ec971126068bb965a82a56ebcb4a62c823771a939cb81bd632d0220017877547c91b0bea5f637796aeccdc4c4b4566812d60d133c042e5b830eed1001210223f0e961d9b4dd59520793dff1c53e9f5d5c5a62e1d0c281caa1d2491245a444000000000288130000000000001976a91416e78aaceceec3deb1ec46f1db2c289d5b586a5a88aca7120000000000001976a91403aad37e92550ca73c4c33a6f9986d29135f4d7a88ac00000000</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 © 2020 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(3045022100a45028fdb82f9d3a0e59242678781031231f469fdb2f1675a1ab2f3c47ce114e02207ca9ef4dd3bdc8da2d9ba9ebb25fd44e3468784105e184cd6aa76a6dbe55c5a0)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30450221009a718876b6bfb14c9bfae613de4b11b61e0117a46a9a3ee65f99d197c0189fa7022011032cc73ccfd601425e840142b2b59ede089e65dfb41ac87eb950f8b0b0e36a)</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(3044022005700d63d82690717f15a7c6fb63793fb1b123ce1e0b69ec2631a00ea52ee78402203adcae4c10c7ba935c8b28d0a897ab2251b7e71a9b032c5a7c814783d16025f7)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402207fea67e80eb417fb3f690f00c4ca904e34f31355f53390b2bdba0de4db6db955022017eb074c7907b165a4bd778d28f6ce725958972c87291382771e8ace491a35ea)</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(3045022100a45028fdb82f9d3a0e59242678781031231f469fdb2f1675a1ab2f3c47ce114e02207ca9ef4dd3bdc8da2d9ba9ebb25fd44e3468784105e184cd6aa76a6dbe55c5a0)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30450221009a718876b6bfb14c9bfae613de4b11b61e0117a46a9a3ee65f99d197c0189fa7022011032cc73ccfd601425e840142b2b59ede089e65dfb41ac87eb950f8b0b0e36a)</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(3044022005700d63d82690717f15a7c6fb63793fb1b123ce1e0b69ec2631a00ea52ee78402203adcae4c10c7ba935c8b28d0a897ab2251b7e71a9b032c5a7c814783d16025f7)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402207fea67e80eb417fb3f690f00c4ca904e34f31355f53390b2bdba0de4db6db955022017eb074c7907b165a4bd778d28f6ce725958972c87291382771e8ace491a35ea)</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+202-ff60c6e0-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+209-aced107a-ADAPTOR-ECDSA-DLC-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+202-ff60c6e0-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+209-aced107a-ADAPTOR-ECDSA-DLC-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, 0x8e63dd6064a4e3e110fad9aba76e85b7467492bd3770c3fd331e83d82e95bfa2)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa5e1e3ce1a103d343f3de7b293aea187baa40af2e05a08726d52880dffee5df2)</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(mobile, bus, fix, sing, evolve, vacuum, dumb, forest, produce, derive, pause, hub, guard, enable, visit, unlock, sentence, trumpet, sibling, amateur, load, enlist, write, foster)</span>
<span class="hljs-comment">// Vector(planet, audit, vicious, crouch, adult, old, woman, rude, raw, output, position, author, prevent, air, slide, area, anchor, nature, feed, avoid, that, warm, jelly, effort)</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-example7481023623137893307/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example49376977137887229/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-example7481023623137893307/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example49376977137887229/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@24cf5b9e)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@7fd02532)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ5wbPFZcv42HDXrALp8zVNr6GTQScA7QbKk7wCtRPxnWNT8NJkYptMC4rt16j3gHSfKJ9Eg5uKsBhPu2v8uL8vsRh8ZJJ9E</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaJAb6ejhTyyU1FwJR9mWL2B38KVLLfTRJ6Np4J6D31YmtWbtHWL38dGvXL2EohqoxCAdzG9ZKSHV1kyFpgLRj32i7SGj3C6</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ5wbPFZcv42HDXrALp8zVNr6GTQScA7QbKk7wCtRPxnWNT8NJkYptMC4rt16j3gHSfKJ9Eg5uKsBhPu2v8uL8vsRh8ZJJ9E</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeaJAb6ejhTyyU1FwJR9mWL2B38KVLLfTRJ6Np4J6D31YmtWbtHWL38dGvXL2EohqoxCAdzG9ZKSHV1kyFpgLRj32i7SGj3C6</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-example7481023623137893307/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example49376977137887229/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@77d6edf0</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@5c2b4d88</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxGi4igi7kQQHuQRx7J6z9pvyQ2yz8Bcvoj12wqYftDR4TGxiJPAWWufHrnPLZh6UyomZ22L96GbbAkgjFnBHDq81FSxo4bb</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyUw4S5tCJLMUh8X6BdjVzUFvFu4srgxwWVdj4vkTXGBKyLSEH8wimBk9XEQUeMG1VLcts3ocWP1tV7kxAKcNowHHfisL5Ju</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxGi4igi7kQQHuQRx7J6z9pvyQ2yz8Bcvoj12wqYftDR4TGxiJPAWWufHrnPLZh6UyomZ22L96GbbAkgjFnBHDq81FSxo4bb</span>
<span class="hljs-comment">// zpub6jftahH18ngZyUw4S5tCJLMUh8X6BdjVzUFvFu4srgxwWVdj4vkTXGBKyLSEH8wimBk9XEQUeMG1VLcts3ocWP1tV7kxAKcNowHHfisL5Ju</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, 0x8e63dd6064a4e3e110fad9aba76e85b7467492bd3770c3fd331e83d82e95bfa2)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa5e1e3ce1a103d343f3de7b293aea187baa40af2e05a08726d52880dffee5df2)</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(mobile, bus, fix, sing, evolve, vacuum, dumb, forest, produce, derive, pause, hub, guard, enable, visit, unlock, sentence, trumpet, sibling, amateur, load, enlist, write, foster)</span>
<span class="hljs-comment">// Vector(planet, audit, vicious, crouch, adult, old, woman, rude, raw, output, position, author, prevent, air, slide, area, anchor, nature, feed, avoid, that, warm, jelly, effort)</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-example7481023623137893307/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example49376977137887229/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-example7481023623137893307/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example49376977137887229/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@24cf5b9e)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@7fd02532)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ5wbPFZcv42HDXrALp8zVNr6GTQScA7QbKk7wCtRPxnWNT8NJkYptMC4rt16j3gHSfKJ9Eg5uKsBhPu2v8uL8vsRh8ZJJ9E</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaJAb6ejhTyyU1FwJR9mWL2B38KVLLfTRJ6Np4J6D31YmtWbtHWL38dGvXL2EohqoxCAdzG9ZKSHV1kyFpgLRj32i7SGj3C6</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ5wbPFZcv42HDXrALp8zVNr6GTQScA7QbKk7wCtRPxnWNT8NJkYptMC4rt16j3gHSfKJ9Eg5uKsBhPu2v8uL8vsRh8ZJJ9E</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeaJAb6ejhTyyU1FwJR9mWL2B38KVLLfTRJ6Np4J6D31YmtWbtHWL38dGvXL2EohqoxCAdzG9ZKSHV1kyFpgLRj32i7SGj3C6</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-example7481023623137893307/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example49376977137887229/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@77d6edf0</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@5c2b4d88</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxGi4igi7kQQHuQRx7J6z9pvyQ2yz8Bcvoj12wqYftDR4TGxiJPAWWufHrnPLZh6UyomZ22L96GbbAkgjFnBHDq81FSxo4bb</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyUw4S5tCJLMUh8X6BdjVzUFvFu4srgxwWVdj4vkTXGBKyLSEH8wimBk9XEQUeMG1VLcts3ocWP1tV7kxAKcNowHHfisL5Ju</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxGi4igi7kQQHuQRx7J6z9pvyQ2yz8Bcvoj12wqYftDR4TGxiJPAWWufHrnPLZh6UyomZ22L96GbbAkgjFnBHDq81FSxo4bb</span>
<span class="hljs-comment">// zpub6jftahH18ngZyUw4S5tCJLMUh8X6BdjVzUFvFu4srgxwWVdj4vkTXGBKyLSEH8wimBk9XEQUeMG1VLcts3ocWP1tV7kxAKcNowHHfisL5Ju</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

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

@ -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(02d6e75bd9d351ba36a01855de1b13b9d4dcb0b520e71949c8502df19040aecc99)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03d3143359525866b711e774932253009e35fccb4c660017994c1f65437eb215c2)</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(3045022100b0a7090bc8fca6e03f76230a3e7fe1ce67ce34318c7f07152b782fa5fb77082202201709e8bb608a20eed504aa52ef2d38d5002442dbd94c5c9d3b031666c0b49cc5)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402206d7f6feb7f0440213b01596d78f5a68e36743921c0a6470eb10f3b0178d36d0a02205504501aec9592569f88789655f2edfacb6763ff8eae0e1a86bba1ba43027cc0)</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(02d6e75bd9d351ba36a01855de1b13b9d4dcb0b520e71949c8502df19040aecc99)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03d3143359525866b711e774932253009e35fccb4c660017994c1f65437eb215c2)</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(3045022100b0a7090bc8fca6e03f76230a3e7fe1ce67ce34318c7f07152b782fa5fb77082202201709e8bb608a20eed504aa52ef2d38d5002442dbd94c5c9d3b031666c0b49cc5)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402206d7f6feb7f0440213b01596d78f5a68e36743921c0a6470eb10f3b0178d36d0a02205504501aec9592569f88789655f2edfacb6763ff8eae0e1a86bba1ba43027cc0)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>