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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(037b58544258916b273e9569fa799b079f9a2ea2702fa23b1b03d1c5d1b87552cb)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(021f02f3daec3b700b296afbcba1727d43cc04c34c57975771207f4f62437cb701)</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 = tb1qda2gt3epzzve074xc9ujs3dflsdrjgr76vcw98</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q46dgdtkcj353hlhhccttf3ysa26sznwz0wtqdf</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qda2gt3epzzve074xc9ujs3dflsdrjgr76vcw98</span>
<span class="hljs-comment">// tb1q46dgdtkcj353hlhhccttf3ysa26sznwz0wtqdf</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 = mqfcZ5VeU9HEAinLaz1rSj2ZF3Aq7tY89Q</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mwSAz6SJmQ8nATPfj5o74bpGcccLxx5npV</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mqfcZ5VeU9HEAinLaz1rSj2ZF3Aq7tY89Q</span>
<span class="hljs-comment">// mwSAz6SJmQ8nATPfj5o74bpGcccLxx5npV</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(037b58544258916b273e9569fa799b079f9a2ea2702fa23b1b03d1c5d1b87552cb)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(021f02f3daec3b700b296afbcba1727d43cc04c34c57975771207f4f62437cb701)</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 = tb1qda2gt3epzzve074xc9ujs3dflsdrjgr76vcw98</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q46dgdtkcj353hlhhccttf3ysa26sznwz0wtqdf</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qda2gt3epzzve074xc9ujs3dflsdrjgr76vcw98</span>
<span class="hljs-comment">// tb1q46dgdtkcj353hlhhccttf3ysa26sznwz0wtqdf</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 = mqfcZ5VeU9HEAinLaz1rSj2ZF3Aq7tY89Q</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mwSAz6SJmQ8nATPfj5o74bpGcccLxx5npV</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mqfcZ5VeU9HEAinLaz1rSj2ZF3Aq7tY89Q</span>
<span class="hljs-comment">// mwSAz6SJmQ8nATPfj5o74bpGcccLxx5npV</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, 0xdbab4fde4f20a520307b204f5f12856f8b9ba8ade6dde23110624c47ba261bb6)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x5ef68afc9ee16f74ccea731148aa2c9e852156da1a5f26bdd370af16c88564cc)</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(sweet, foil, wasp, oxygen, apart, mosquito, sea, goat, exercise, weasel, pattern, tenant, rifle, stairs, resource, sweet, timber, mass, blush, obtain, knife, basic, human, shock) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(galaxy, reform, sand, differ, black, risk, crisp, example, bacon, earn, menu, dial, faith, problem, half, episode, chase, update, switch, funny, hold, dress, nasty, lonely) // 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 = zpub6jftahH18ngZxL4Makcy5CyzJY6vDVWt9APSiJ4wYHxDcSWaZqMdFKaGm2KLTn7M1jGJZcFRmCqofqfV7QChPcoTRDyow56WvE6za5uBjzE</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwWtTGRjEFtHevVswku5DKUFCHgr3PvKoaHRis5d3aQotrT5zUNWwvE3Usewz9XzoKK56wCCDwdpqmn37XAmHhzPyJPBXRKJ</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 = zpub6rVoZ2yJqcY8puNPGGgrcnANE1nTCLfpP4gJQHohceAzsxz8CMJc5mNfL87iwzhpD2vorTsCXaTgZngW1nsyqNepo7EVAtsZzTBLxKycvoz</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qVCAxqU1boK9otCPsSg7vRhS4n1VPirdPLeN8ZkuEoRLuMRRKWh6w8KgfKaS3zwjxzdHZq3ccknwiy21UaD67xTAA6nLS854qkEtxV6vWf</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 = tb1q52jhujku7wrgd0l8muqvae0et4mcs2lnylf8tl</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qjgj2wy0hvw6hqhavy0jxn2r2pxcnv9f6th5ajh</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 = tb1q52jhujku7wrgd0l8muqvae0et4mcs2lnylf8tl</span>
<span class="hljs-comment">// res2: String = tb1qjgj2wy0hvw6hqhavy0jxn2r2pxcnv9f6th5ajh</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, 0xdbab4fde4f20a520307b204f5f12856f8b9ba8ade6dde23110624c47ba261bb6)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x5ef68afc9ee16f74ccea731148aa2c9e852156da1a5f26bdd370af16c88564cc)</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(sweet, foil, wasp, oxygen, apart, mosquito, sea, goat, exercise, weasel, pattern, tenant, rifle, stairs, resource, sweet, timber, mass, blush, obtain, knife, basic, human, shock) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(galaxy, reform, sand, differ, black, risk, crisp, example, bacon, earn, menu, dial, faith, problem, half, episode, chase, update, switch, funny, hold, dress, nasty, lonely) // 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 = zpub6jftahH18ngZxL4Makcy5CyzJY6vDVWt9APSiJ4wYHxDcSWaZqMdFKaGm2KLTn7M1jGJZcFRmCqofqfV7QChPcoTRDyow56WvE6za5uBjzE</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwWtTGRjEFtHevVswku5DKUFCHgr3PvKoaHRis5d3aQotrT5zUNWwvE3Usewz9XzoKK56wCCDwdpqmn37XAmHhzPyJPBXRKJ</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 = zpub6rVoZ2yJqcY8puNPGGgrcnANE1nTCLfpP4gJQHohceAzsxz8CMJc5mNfL87iwzhpD2vorTsCXaTgZngW1nsyqNepo7EVAtsZzTBLxKycvoz</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qVCAxqU1boK9otCPsSg7vRhS4n1VPirdPLeN8ZkuEoRLuMRRKWh6w8KgfKaS3zwjxzdHZq3ccknwiy21UaD67xTAA6nLS854qkEtxV6vWf</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 = tb1q52jhujku7wrgd0l8muqvae0et4mcs2lnylf8tl</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qjgj2wy0hvw6hqhavy0jxn2r2pxcnv9f6th5ajh</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 = tb1q52jhujku7wrgd0l8muqvae0et4mcs2lnylf8tl</span>
<span class="hljs-comment">// res2: String = tb1qjgj2wy0hvw6hqhavy0jxn2r2pxcnv9f6th5ajh</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$$anon$3@3206ed47[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@43460d81[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(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1)</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(b0ebedbd72000579889de6edd54f68440c4a0216)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567)</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(b0ebedbd72000579889de6edd54f68440c4a0216))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567))</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(0f247758a6cf34f324795f256040083fd1121548)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(da053d3cbc1f650bccf647e1654e18000d3d7285)</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(0f247758a6cf34f324795f256040083fd1121548)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(da053d3cbc1f650bccf647e1654e18000d3d7285)))</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(b0ebedbd72000579889de6edd54f68440c4a0216))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0)</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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0f247758a6cf34f324795f256040083fd1121548))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(da053d3cbc1f650bccf647e1654e18000d3d7285))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),10000 sats,ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),10000 sats,ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1))</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(3db31c023064b193bb0d9eee13d659e1af4c58fd)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(85f51b0746ef0927d5bccaf4e146f6662f54d1de)</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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),10000 sats,ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7))),1 sats/byte,pkh(3db31c023064b193bb0d9eee13d659e1af4c58fd))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),10000 sats,ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1))),1 sats/byte,pkh(85f51b0746ef0927d5bccaf4e146f6662f54d1de))</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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0f247758a6cf34f324795f256040083fd1121548)), TransactionOutput(4775 sats,pkh(3db31c023064b193bb0d9eee13d659e1af4c58fd))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(da053d3cbc1f650bccf647e1654e18000d3d7285)), TransactionOutput(4775 sats,pkh(85f51b0746ef0927d5bccaf4e146f6662f54d1de))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),10000 sats,ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b0ebedbd72000579889de6edd54f68440c4a0216))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),10000 sats,ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),10000 sats,ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b0ebedbd72000579889de6edd54f68440c4a0216))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),10000 sats,ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),P2PKHScriptSignature(ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7), ECDigitalSignature(30440220521d069818d2ac3d26eca2eb85b5ee19d08337cc2194cffcc76b48ba8ed2cc530220642a24736d7f3b79417e7353edacaca71798b30732dfc4ce523163dbf1cc8e0501)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0f247758a6cf34f324795f256040083fd1121548)), TransactionOutput(4775 sats,pkh(3db31c023064b193bb0d9eee13d659e1af4c58fd))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),P2PKHScriptSignature(ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1), ECDigitalSignature(3044022002251722a7e199db2df4f888fd0fc114b9d1e96d1758b28584aab3f793d777c60220177e04b3eca0742693de33a559a6972d6f739caecdc6c1b76836ec2fe9b745c701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(da053d3cbc1f650bccf647e1654e18000d3d7285)), TransactionOutput(4775 sats,pkh(85f51b0746ef0927d5bccaf4e146f6662f54d1de))),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 = 0200000001faf404fbd517b2dd5ae54584de2001d58a38739f5bc46a5f068366bb180332a0000000006a4730440220521d069818d2ac3d26eca2eb85b5ee19d08337cc2194cffcc76b48ba8ed2cc530220642a24736d7f3b79417e7353edacaca71798b30732dfc4ce523163dbf1cc8e0501210323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7000000000288130000000000001976a9140f247758a6cf34f324795f256040083fd112154888aca7120000000000001976a9143db31c023064b193bb0d9eee13d659e1af4c58fd88ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000185f784e1d6ef06f1d2d01189dff7b7b6d81705e56fdd81d67578793b48d68e5e000000006a473044022002251722a7e199db2df4f888fd0fc114b9d1e96d1758b28584aab3f793d777c60220177e04b3eca0742693de33a559a6972d6f739caecdc6c1b76836ec2fe9b745c70121032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1000000000288130000000000001976a914da053d3cbc1f650bccf647e1654e18000d3d728588aca7120000000000001976a91485f51b0746ef0927d5bccaf4e146f6662f54d1de88ac00000000</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$$anon$3@3206ed47[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@43460d81[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(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1)</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(b0ebedbd72000579889de6edd54f68440c4a0216)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567)</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(b0ebedbd72000579889de6edd54f68440c4a0216))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567))</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(0f247758a6cf34f324795f256040083fd1121548)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(da053d3cbc1f650bccf647e1654e18000d3d7285)</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(0f247758a6cf34f324795f256040083fd1121548)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(da053d3cbc1f650bccf647e1654e18000d3d7285)))</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(b0ebedbd72000579889de6edd54f68440c4a0216))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0)</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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0f247758a6cf34f324795f256040083fd1121548))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(da053d3cbc1f650bccf647e1654e18000d3d7285))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),10000 sats,ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),10000 sats,ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1))</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(3db31c023064b193bb0d9eee13d659e1af4c58fd)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(85f51b0746ef0927d5bccaf4e146f6662f54d1de)</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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),10000 sats,ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7))),1 sats/byte,pkh(3db31c023064b193bb0d9eee13d659e1af4c58fd))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),10000 sats,ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1))),1 sats/byte,pkh(85f51b0746ef0927d5bccaf4e146f6662f54d1de))</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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0f247758a6cf34f324795f256040083fd1121548)), TransactionOutput(4775 sats,pkh(3db31c023064b193bb0d9eee13d659e1af4c58fd))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(da053d3cbc1f650bccf647e1654e18000d3d7285)), TransactionOutput(4775 sats,pkh(85f51b0746ef0927d5bccaf4e146f6662f54d1de))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),10000 sats,ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b0ebedbd72000579889de6edd54f68440c4a0216))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),10000 sats,ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),10000 sats,ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(b0ebedbd72000579889de6edd54f68440c4a0216))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),10000 sats,ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c29324ff7d3a47fd31964475ecaf2fb31adc3567))),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(a0320318bb6683065f6ac45b9f73388ad50120de8445e55addb217d5fb04f4fa:0),P2PKHScriptSignature(ECPublicKey(0323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7), ECDigitalSignature(30440220521d069818d2ac3d26eca2eb85b5ee19d08337cc2194cffcc76b48ba8ed2cc530220642a24736d7f3b79417e7353edacaca71798b30732dfc4ce523163dbf1cc8e0501)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(0f247758a6cf34f324795f256040083fd1121548)), TransactionOutput(4775 sats,pkh(3db31c023064b193bb0d9eee13d659e1af4c58fd))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(5e8ed6483b797875d681dd6fe50517d8b6b7f7df8911d0d2f106efd6e184f785:0),P2PKHScriptSignature(ECPublicKey(032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1), ECDigitalSignature(3044022002251722a7e199db2df4f888fd0fc114b9d1e96d1758b28584aab3f793d777c60220177e04b3eca0742693de33a559a6972d6f739caecdc6c1b76836ec2fe9b745c701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(da053d3cbc1f650bccf647e1654e18000d3d7285)), TransactionOutput(4775 sats,pkh(85f51b0746ef0927d5bccaf4e146f6662f54d1de))),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 = 0200000001faf404fbd517b2dd5ae54584de2001d58a38739f5bc46a5f068366bb180332a0000000006a4730440220521d069818d2ac3d26eca2eb85b5ee19d08337cc2194cffcc76b48ba8ed2cc530220642a24736d7f3b79417e7353edacaca71798b30732dfc4ce523163dbf1cc8e0501210323dd42327cb73b1349b4197a821b06f126c3200da8f0e4c7bb51baf4bdb563d7000000000288130000000000001976a9140f247758a6cf34f324795f256040083fd112154888aca7120000000000001976a9143db31c023064b193bb0d9eee13d659e1af4c58fd88ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000185f784e1d6ef06f1d2d01189dff7b7b6d81705e56fdd81d67578793b48d68e5e000000006a473044022002251722a7e199db2df4f888fd0fc114b9d1e96d1758b28584aab3f793d777c60220177e04b3eca0742693de33a559a6972d6f739caecdc6c1b76836ec2fe9b745c70121032f94e27c68ef3c516a88a61ccdf6841228614e2c7a6848b90b1a32e6e22d00b1000000000288130000000000001976a914da053d3cbc1f650bccf647e1654e18000d3d728588aca7120000000000001976a91485f51b0746ef0927d5bccaf4e146f6662f54d1de88ac00000000</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(30440220161ada9eeea81baeb45f739262c0a011ef1761f412ff093b2838fb93c0c497c402200b761782dc4acb6c0d8b8ab613ffabc5e724527690f2b22891b8a8750793e695)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402207d9799965e225c9878549caa58b9019a2ed0112d1d51cef39b8a0c8869aafb270220398941e8427395e7a91857d949bbf5620e63bfca09511a2b4b3d74ccb2f4e984)</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(3044022034b3d6ebce11461b6c2cda2a32b106bc8e4c680440e3a17e7efa0b1b13c409e302203a1336c44b9d8a41bdb7de769cbebb6623dc9d5d94dd8a12d213bbcc99ef1629)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3044022100ba4705ae90d08668de27b7880276bc62556ab972d0a8e5bb0ab5a77089f2da66021f612874f42871f2713d2521927566f56512bb18943a3ad5052b4f93eafa5f86)</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(30440220161ada9eeea81baeb45f739262c0a011ef1761f412ff093b2838fb93c0c497c402200b761782dc4acb6c0d8b8ab613ffabc5e724527690f2b22891b8a8750793e695)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402207d9799965e225c9878549caa58b9019a2ed0112d1d51cef39b8a0c8869aafb270220398941e8427395e7a91857d949bbf5620e63bfca09511a2b4b3d74ccb2f4e984)</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(3044022034b3d6ebce11461b6c2cda2a32b106bc8e4c680440e3a17e7efa0b1b13c409e302203a1336c44b9d8a41bdb7de769cbebb6623dc9d5d94dd8a12d213bbcc99ef1629)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3044022100ba4705ae90d08668de27b7880276bc62556ab972d0a8e5bb0ab5a77089f2da66021f612874f42871f2713d2521927566f56512bb18943a3ad5052b4f93eafa5f86)</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+160-935145d4-ADAPTOR-ECDSA-DLC-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+161-1fd7e96b-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+160-935145d4-ADAPTOR-ECDSA-DLC-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+161-1fd7e96b-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>)

26
docs/next/key-manager/key-manager.html
View file

@ -85,14 +85,14 @@ as a logical distinction for further development in subsequent releases.</p>
<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, 0x2be8cea33ce0236e0808d35deca265041bb3dd4e552e3659fdeac80437cab858)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xc882f2ae13633254c879eb32a370a49a63da54de95603286dae3e6289a733ff0)</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(cloud, edit, potato, keep, acquire, require, cage, bounce, fuel, govern, off, amused, robot, upgrade, deer, place, curve, soup, kingdom, mosquito, drop, torch, thumb, adjust)</span>
<span class="hljs-comment">// Vector(silk, bleak, process, chat, creek, clerk, capable, dice, crawl, breeze, circle, crumble, diet, clerk, kid, project, crater, cycle, rib, slush, meadow, define, zone, bundle)</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>
@ -107,7 +107,7 @@ 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-example2100200764491653066/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example4948969123174833459/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>
@ -118,7 +118,7 @@ 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-example2100200764491653066/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4948969123174833459/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>
@ -127,15 +127,15 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(</span>
<span class="hljs-comment">// BIP39KeyManager(</span>
<span class="hljs-comment">// mnemonic=Masked(MnemonicCodeImpl),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example2100200764491653066/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example4948969123174833459/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest),</span>
<span class="hljs-comment">// bip39PasswordOpt=None,</span>
<span class="hljs-comment">// creationTime=2020-12-15T21:42:14Z))</span>
<span class="hljs-comment">// creationTime=2020-12-16T19:40:06Z))</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ6WRdtgzZaDc4RELFTczjUQr1oFMjZGgWiyMA1gGDevndFWoc8TuzQDKD7uCQSwZandGBfbcyj8UWFLLmu2jSnbE3bmXYG9</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZrBpM8xX5BnfAxQ5cTcG84h1qVCFdEarZxq6g3eDnKXZy2RkHhHHaS4YYVWFeMZYddCqX7wtLQ7VwhEuSaP9VJSJtGfbC3Q</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ6WRdtgzZaDc4RELFTczjUQr1oFMjZGgWiyMA1gGDevndFWoc8TuzQDKD7uCQSwZandGBfbcyj8UWFLLmu2jSnbE3bmXYG9</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZrBpM8xX5BnfAxQ5cTcG84h1qVCFdEarZxq6g3eDnKXZy2RkHhHHaS4YYVWFeMZYddCqX7wtLQ7VwhEuSaP9VJSJtGfbC3Q</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -144,22 +144,22 @@ 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-example2100200764491653066/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4948969123174833459/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>(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = </span>
<span class="hljs-comment">// BIP39KeyManager(</span>
<span class="hljs-comment">// mnemonic=Masked(MnemonicCodeImpl),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example2100200764491653066/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example4948969123174833459/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet),</span>
<span class="hljs-comment">// bip39PasswordOpt=None,</span>
<span class="hljs-comment">// creationTime=2020-12-15T21:42:15.652Z)</span>
<span class="hljs-comment">// creationTime=2020-12-16T19:40:07.494Z)</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxHGtyKqVPvbckHp81wazPvVj9NpuFanCj8EGAeLWhuZLi5M9bm5bcxgYD2HSF6Mm7w5X4TFgAfrsyc837YJgXgqobrHSBiL</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZy2xHga71uYAfrpysNwaFnWmty4mo9G6NnN61ggJUGaA83rG6HKtyCzXmYPtVUzykAmf6PubwXLquR42bnDf6aCgtSWAZ5ej</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxHGtyKqVPvbckHp81wazPvVj9NpuFanCj8EGAeLWhuZLi5M9bm5bcxgYD2HSF6Mm7w5X4TFgAfrsyc837YJgXgqobrHSBiL</span>
<span class="hljs-comment">// zpub6jftahH18ngZy2xHga71uYAfrpysNwaFnWmty4mo9G6NnN61ggJUGaA83rG6HKtyCzXmYPtVUzykAmf6PubwXLquR42bnDf6aCgtSWAZ5ej</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

26
docs/next/key-manager/key-manager/index.html
View file

@ -85,14 +85,14 @@ as a logical distinction for further development in subsequent releases.</p>
<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, 0x2be8cea33ce0236e0808d35deca265041bb3dd4e552e3659fdeac80437cab858)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xc882f2ae13633254c879eb32a370a49a63da54de95603286dae3e6289a733ff0)</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(cloud, edit, potato, keep, acquire, require, cage, bounce, fuel, govern, off, amused, robot, upgrade, deer, place, curve, soup, kingdom, mosquito, drop, torch, thumb, adjust)</span>
<span class="hljs-comment">// Vector(silk, bleak, process, chat, creek, clerk, capable, dice, crawl, breeze, circle, crumble, diet, clerk, kid, project, crater, cycle, rib, slush, meadow, define, zone, bundle)</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>
@ -107,7 +107,7 @@ 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-example2100200764491653066/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example4948969123174833459/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>
@ -118,7 +118,7 @@ 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-example2100200764491653066/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4948969123174833459/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>
@ -127,15 +127,15 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(</span>
<span class="hljs-comment">// BIP39KeyManager(</span>
<span class="hljs-comment">// mnemonic=Masked(MnemonicCodeImpl),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example2100200764491653066/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example4948969123174833459/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest),</span>
<span class="hljs-comment">// bip39PasswordOpt=None,</span>
<span class="hljs-comment">// creationTime=2020-12-15T21:42:14Z))</span>
<span class="hljs-comment">// creationTime=2020-12-16T19:40:06Z))</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZ6WRdtgzZaDc4RELFTczjUQr1oFMjZGgWiyMA1gGDevndFWoc8TuzQDKD7uCQSwZandGBfbcyj8UWFLLmu2jSnbE3bmXYG9</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZrBpM8xX5BnfAxQ5cTcG84h1qVCFdEarZxq6g3eDnKXZy2RkHhHHaS4YYVWFeMZYddCqX7wtLQ7VwhEuSaP9VJSJtGfbC3Q</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZ6WRdtgzZaDc4RELFTczjUQr1oFMjZGgWiyMA1gGDevndFWoc8TuzQDKD7uCQSwZandGBfbcyj8UWFLLmu2jSnbE3bmXYG9</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZrBpM8xX5BnfAxQ5cTcG84h1qVCFdEarZxq6g3eDnKXZy2RkHhHHaS4YYVWFeMZYddCqX7wtLQ7VwhEuSaP9VJSJtGfbC3Q</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -144,22 +144,22 @@ 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-example2100200764491653066/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example4948969123174833459/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>(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = </span>
<span class="hljs-comment">// BIP39KeyManager(</span>
<span class="hljs-comment">// mnemonic=Masked(MnemonicCodeImpl),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example2100200764491653066/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example4948969123174833459/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet),</span>
<span class="hljs-comment">// bip39PasswordOpt=None,</span>
<span class="hljs-comment">// creationTime=2020-12-15T21:42:15.652Z)</span>
<span class="hljs-comment">// creationTime=2020-12-16T19:40:07.494Z)</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxHGtyKqVPvbckHp81wazPvVj9NpuFanCj8EGAeLWhuZLi5M9bm5bcxgYD2HSF6Mm7w5X4TFgAfrsyc837YJgXgqobrHSBiL</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZy2xHga71uYAfrpysNwaFnWmty4mo9G6NnN61ggJUGaA83rG6HKtyCzXmYPtVUzykAmf6PubwXLquR42bnDf6aCgtSWAZ5ej</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxHGtyKqVPvbckHp81wazPvVj9NpuFanCj8EGAeLWhuZLi5M9bm5bcxgYD2HSF6Mm7w5X4TFgAfrsyc837YJgXgqobrHSBiL</span>
<span class="hljs-comment">// zpub6jftahH18ngZy2xHga71uYAfrpysNwaFnWmty4mo9G6NnN61ggJUGaA83rG6HKtyCzXmYPtVUzykAmf6PubwXLquR42bnDf6aCgtSWAZ5ej</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(036d9f5c474d4b4ee4aec9ae6b0dfbee9ea5d0f570a9168b7d712691aaff9f50b4)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(035f968488fb7c0b35fd91719ec9e3a9621f836fdc0ee35f67497eb7cb4da05429)</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(3045022100d038780a2b5b8a8fc5a71a4f0acb1711ff98315ea3b0ad8b2ef763eb1cd00ee50220772d9aa6712fb42309ae32aa88fd70733987da6b9b47745f8551eec4db302c72)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022040719c7d635a19a99a8c1dcaa17386d9e665dcb2aa9216600682c0d194dc935d02202a922e96d176dcf98f9a769574e72370ea8e4b332586b994cd13c29cbab735e0)</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(036d9f5c474d4b4ee4aec9ae6b0dfbee9ea5d0f570a9168b7d712691aaff9f50b4)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(035f968488fb7c0b35fd91719ec9e3a9621f836fdc0ee35f67497eb7cb4da05429)</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(3045022100d038780a2b5b8a8fc5a71a4f0acb1711ff98315ea3b0ad8b2ef763eb1cd00ee50220772d9aa6712fb42309ae32aa88fd70733987da6b9b47745f8551eec4db302c72)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022040719c7d635a19a99a8c1dcaa17386d9e665dcb2aa9216600682c0d194dc935d02202a922e96d176dcf98f9a769574e72370ea8e4b332586b994cd13c29cbab735e0)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>