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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(036d89809a41354a9948139fa81af1c24733e9b0731b68df4f2dbc2efa293a327e)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(034fa2b4064ccefa1aca40a97c4e90a797d1707ac882310b5a9ec396f0863f896c)</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 = tb1qjqlymd7xtp6rdl7y0qdejkc5008kdwqm2vxhf7</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qtu4pwc95a6vw4lt27yj8zq255sgj7pexpjpap8</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qjqlymd7xtp6rdl7y0qdejkc5008kdwqm2vxhf7</span>
<span class="hljs-comment">// tb1qtu4pwc95a6vw4lt27yj8zq255sgj7pexpjpap8</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 = mtfeEc8tEsA8FQxwqvWZ6zDdTp7K8G8i9q</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mpC8uqL1FfEUPvEQGyftMk2jgVv36RRdd5</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mtfeEc8tEsA8FQxwqvWZ6zDdTp7K8G8i9q</span>
<span class="hljs-comment">// mpC8uqL1FfEUPvEQGyftMk2jgVv36RRdd5</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(036d89809a41354a9948139fa81af1c24733e9b0731b68df4f2dbc2efa293a327e)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(034fa2b4064ccefa1aca40a97c4e90a797d1707ac882310b5a9ec396f0863f896c)</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 = tb1qjqlymd7xtp6rdl7y0qdejkc5008kdwqm2vxhf7</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qtu4pwc95a6vw4lt27yj8zq255sgj7pexpjpap8</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qjqlymd7xtp6rdl7y0qdejkc5008kdwqm2vxhf7</span>
<span class="hljs-comment">// tb1qtu4pwc95a6vw4lt27yj8zq255sgj7pexpjpap8</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 = mtfeEc8tEsA8FQxwqvWZ6zDdTp7K8G8i9q</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mpC8uqL1FfEUPvEQGyftMk2jgVv36RRdd5</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mtfeEc8tEsA8FQxwqvWZ6zDdTp7K8G8i9q</span>
<span class="hljs-comment">// mpC8uqL1FfEUPvEQGyftMk2jgVv36RRdd5</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, 0x92ab3992862fa3e43228a4969be7aa7daa8f9394b87d8ae51128a252bd05f6a2)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x3b2fe5142aad043dad9e40c3e77733337cae4375184ec65ea5f56eef5d9de029)</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(naive, flush, gorilla, arrange, when, velvet, silly, behind, notable, tennis, tunnel, win, pottery, six, fancy, autumn, memory, chuckle, enforce, dwarf, cloth, load, surround, family) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(depth, left, eagle, fetch, space, burst, reopen, siege, sentence, desert, smoke, group, slab, canvas, stamp, antenna, shock, vivid, later, tape, volume, solve, level, digital) // 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 = zpub6jftahH18ngZxzbH5u2poF8woYGue5QZ9wJLMRarbWgmqphs5hGtWKV3eBM78xNT9DTXci7oobAsw7jgvsB7CS62Hgm7s1GthzoBi29RZmA</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZx1AGt3gh13RFk5go4mzhcdTTKX8L4ZtYtWaaCQHcGXCuAEJJWXQ7T4qSR62T9ZfB37iJA3CgQgQZz3zyHjyM1cf8PcVTojL</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 = zpub6rHW6BLEKmLcJ6mjNyHHuKzHDeoxYoc4U9TAXgE7pwLoz3qE4NLrCFAwMBq2AZpBeFZDRQ2RWDM7kwsr7456wm3oSG8KrDk3AkPT3gWaWdK</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r4UiUVQkY5uvexxBhD1MJZBPSURZaNznsegC8S8fuEvtXpL5GvVGaPABhjb14y5GXWqxrUg1eXSHdRy5Hf4tAyxsngiCRWadFv1icozq7J</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 = tb1qldpclcgt344frkuaawxjumvrxn69jpuh694enh</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qday65ha2ad687g635z7a8mg5na36mghcdw4nkm</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 = tb1qldpclcgt344frkuaawxjumvrxn69jpuh694enh</span>
<span class="hljs-comment">// res2: String = tb1qday65ha2ad687g635z7a8mg5na36mghcdw4nkm</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, 0x92ab3992862fa3e43228a4969be7aa7daa8f9394b87d8ae51128a252bd05f6a2)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x3b2fe5142aad043dad9e40c3e77733337cae4375184ec65ea5f56eef5d9de029)</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(naive, flush, gorilla, arrange, when, velvet, silly, behind, notable, tennis, tunnel, win, pottery, six, fancy, autumn, memory, chuckle, enforce, dwarf, cloth, load, surround, family) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(depth, left, eagle, fetch, space, burst, reopen, siege, sentence, desert, smoke, group, slab, canvas, stamp, antenna, shock, vivid, later, tape, volume, solve, level, digital) // 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 = zpub6jftahH18ngZxzbH5u2poF8woYGue5QZ9wJLMRarbWgmqphs5hGtWKV3eBM78xNT9DTXci7oobAsw7jgvsB7CS62Hgm7s1GthzoBi29RZmA</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZx1AGt3gh13RFk5go4mzhcdTTKX8L4ZtYtWaaCQHcGXCuAEJJWXQ7T4qSR62T9ZfB37iJA3CgQgQZz3zyHjyM1cf8PcVTojL</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 = zpub6rHW6BLEKmLcJ6mjNyHHuKzHDeoxYoc4U9TAXgE7pwLoz3qE4NLrCFAwMBq2AZpBeFZDRQ2RWDM7kwsr7456wm3oSG8KrDk3AkPT3gWaWdK</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r4UiUVQkY5uvexxBhD1MJZBPSURZaNznsegC8S8fuEvtXpL5GvVGaPABhjb14y5GXWqxrUg1eXSHdRy5Hf4tAyxsngiCRWadFv1icozq7J</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 = tb1qldpclcgt344frkuaawxjumvrxn69jpuh694enh</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qday65ha2ad687g635z7a8mg5na36mghcdw4nkm</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 = tb1qldpclcgt344frkuaawxjumvrxn69jpuh694enh</span>
<span class="hljs-comment">// res2: String = tb1qday65ha2ad687g635z7a8mg5na36mghcdw4nkm</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$$anon$3@45d8fab5[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 43, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@5d85e757[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(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3)</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(509622a93439551a0f0dd3fd469e7497eb05be17)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472)</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(509622a93439551a0f0dd3fd469e7497eb05be17))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472))</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(3fd35012596d28273a1ae94c4bffe00dd5534fb1)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(560350fe57291d8b20fab223ec99563dcc2b84cb)</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(3fd35012596d28273a1ae94c4bffe00dd5534fb1)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(560350fe57291d8b20fab223ec99563dcc2b84cb)))</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(509622a93439551a0f0dd3fd469e7497eb05be17))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f: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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f: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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3fd35012596d28273a1ae94c4bffe00dd5534fb1))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(560350fe57291d8b20fab223ec99563dcc2b84cb))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),10000 sats,ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),10000 sats,ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3))</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(6c174d238a1c5b74d8b252f964bc08512f41c2b5)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(ad159aafa6affd37df6dfebd7a214b9201925637)</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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),10000 sats,ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33))),1 sats/byte,pkh(6c174d238a1c5b74d8b252f964bc08512f41c2b5))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),10000 sats,ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3))),1 sats/byte,pkh(ad159aafa6affd37df6dfebd7a214b9201925637))</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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3fd35012596d28273a1ae94c4bffe00dd5534fb1)), TransactionOutput(4775 sats,pkh(6c174d238a1c5b74d8b252f964bc08512f41c2b5))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(560350fe57291d8b20fab223ec99563dcc2b84cb)), TransactionOutput(4775 sats,pkh(ad159aafa6affd37df6dfebd7a214b9201925637))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),10000 sats,ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(509622a93439551a0f0dd3fd469e7497eb05be17))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),10000 sats,ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),10000 sats,ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(509622a93439551a0f0dd3fd469e7497eb05be17))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),10000 sats,ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),P2PKHScriptSignature(ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33), ECDigitalSignature(30440220624b3995062cafb9df588d12f4cbdfbb2a90e02eed49f019766c34a8a22dfc0e022027ac831c50f7dbf08ffa04fd84a2aecaee8c93e569d4b031c204885f814384a201)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3fd35012596d28273a1ae94c4bffe00dd5534fb1)), TransactionOutput(4775 sats,pkh(6c174d238a1c5b74d8b252f964bc08512f41c2b5))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),P2PKHScriptSignature(ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3), ECDigitalSignature(3044022004a02a632f2c92c59fef07c97c5daec779256d66f1c6eedc0399e479d25243440220463758981fa121fb610f4f0052deec1fc73f8543bc3d3fc90cf0de9ddcc41df601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(560350fe57291d8b20fab223ec99563dcc2b84cb)), TransactionOutput(4775 sats,pkh(ad159aafa6affd37df6dfebd7a214b9201925637))),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 = 0200000001718db48d8fb53f3bf2d7d0af5b923b9f2ffa859e40bf81f49e80fc45fba93e79000000006a4730440220624b3995062cafb9df588d12f4cbdfbb2a90e02eed49f019766c34a8a22dfc0e022027ac831c50f7dbf08ffa04fd84a2aecaee8c93e569d4b031c204885f814384a2012103cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33000000000288130000000000001976a9143fd35012596d28273a1ae94c4bffe00dd5534fb188aca7120000000000001976a9146c174d238a1c5b74d8b252f964bc08512f41c2b588ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000015fa4dadd3047c445729a216ed1e8f79aab3bd40fe22893b1784efc3264db4e1c000000006a473044022004a02a632f2c92c59fef07c97c5daec779256d66f1c6eedc0399e479d25243440220463758981fa121fb610f4f0052deec1fc73f8543bc3d3fc90cf0de9ddcc41df601210296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3000000000288130000000000001976a914560350fe57291d8b20fab223ec99563dcc2b84cb88aca7120000000000001976a914ad159aafa6affd37df6dfebd7a214b920192563788ac00000000</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$$anon$3@45d8fab5[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 43, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@5d85e757[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(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3)</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(509622a93439551a0f0dd3fd469e7497eb05be17)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472)</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(509622a93439551a0f0dd3fd469e7497eb05be17))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472))</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(3fd35012596d28273a1ae94c4bffe00dd5534fb1)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(560350fe57291d8b20fab223ec99563dcc2b84cb)</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(3fd35012596d28273a1ae94c4bffe00dd5534fb1)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(560350fe57291d8b20fab223ec99563dcc2b84cb)))</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(509622a93439551a0f0dd3fd469e7497eb05be17))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f: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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f: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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3fd35012596d28273a1ae94c4bffe00dd5534fb1))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(560350fe57291d8b20fab223ec99563dcc2b84cb))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),10000 sats,ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),10000 sats,ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3))</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(6c174d238a1c5b74d8b252f964bc08512f41c2b5)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(ad159aafa6affd37df6dfebd7a214b9201925637)</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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),10000 sats,ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33))),1 sats/byte,pkh(6c174d238a1c5b74d8b252f964bc08512f41c2b5))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),10000 sats,ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3))),1 sats/byte,pkh(ad159aafa6affd37df6dfebd7a214b9201925637))</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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3fd35012596d28273a1ae94c4bffe00dd5534fb1)), TransactionOutput(4775 sats,pkh(6c174d238a1c5b74d8b252f964bc08512f41c2b5))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(560350fe57291d8b20fab223ec99563dcc2b84cb)), TransactionOutput(4775 sats,pkh(ad159aafa6affd37df6dfebd7a214b9201925637))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),10000 sats,ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(509622a93439551a0f0dd3fd469e7497eb05be17))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),10000 sats,ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),10000 sats,ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(509622a93439551a0f0dd3fd469e7497eb05be17))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),10000 sats,ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(a478dc0cd7c59ba96d31d28231508eed9a19b472))),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(793ea9fb45fc809ef481bf409e85fa2f9f3b925bafd0d7f23b3fb58f8db48d71:0),P2PKHScriptSignature(ECPublicKey(03cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33), ECDigitalSignature(30440220624b3995062cafb9df588d12f4cbdfbb2a90e02eed49f019766c34a8a22dfc0e022027ac831c50f7dbf08ffa04fd84a2aecaee8c93e569d4b031c204885f814384a201)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3fd35012596d28273a1ae94c4bffe00dd5534fb1)), TransactionOutput(4775 sats,pkh(6c174d238a1c5b74d8b252f964bc08512f41c2b5))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(1c4edb6432fc4e78b19328e20fd43bab9af7e8d16e219a7245c44730dddaa45f:0),P2PKHScriptSignature(ECPublicKey(0296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3), ECDigitalSignature(3044022004a02a632f2c92c59fef07c97c5daec779256d66f1c6eedc0399e479d25243440220463758981fa121fb610f4f0052deec1fc73f8543bc3d3fc90cf0de9ddcc41df601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(560350fe57291d8b20fab223ec99563dcc2b84cb)), TransactionOutput(4775 sats,pkh(ad159aafa6affd37df6dfebd7a214b9201925637))),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 = 0200000001718db48d8fb53f3bf2d7d0af5b923b9f2ffa859e40bf81f49e80fc45fba93e79000000006a4730440220624b3995062cafb9df588d12f4cbdfbb2a90e02eed49f019766c34a8a22dfc0e022027ac831c50f7dbf08ffa04fd84a2aecaee8c93e569d4b031c204885f814384a2012103cbc7a9aca195fcffbee4dd7bc90137652f4616a6924dfc3efb3b1a812b423a33000000000288130000000000001976a9143fd35012596d28273a1ae94c4bffe00dd5534fb188aca7120000000000001976a9146c174d238a1c5b74d8b252f964bc08512f41c2b588ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000015fa4dadd3047c445729a216ed1e8f79aab3bd40fe22893b1784efc3264db4e1c000000006a473044022004a02a632f2c92c59fef07c97c5daec779256d66f1c6eedc0399e479d25243440220463758981fa121fb610f4f0052deec1fc73f8543bc3d3fc90cf0de9ddcc41df601210296c57b5649a6a678cbafb1e733d144a055bca9f2d4fbcf98a9442bcdcbfae7d3000000000288130000000000001976a914560350fe57291d8b20fab223ec99563dcc2b84cb88aca7120000000000001976a914ad159aafa6affd37df6dfebd7a214b920192563788ac00000000</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(3045022100ee4155ed66d21b8637eedf01b64d515bdd40de0f06b1aa254700d15e0ae151460220302e626c3de7a0214ceca7846d5e34c4139608e5f9f07cb8bb49a9345b62ecca)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3044022012e4fec660ed2e0d787f235dbc9622bcb2e1d352601419cf1cb1e6d3019d6af302203237f39045582026aef7ddfba142fbc5103521954fc0631baec719a0ab67ace1)</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(304402204d0bb1f57c95552490589719542bc42aa0bb93523ace886b23e5a3fab55b1a3d022050be132c7e2b56d3fc1b12a313d13dfd667f1c28dd93e6c91c42d9d4d89ef57b)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402206d2ff8d4d423f23e553a5186503a0d7d6829d95229f5636095d89f806c901d98022053228d027a99ca12124711d756a3f28b097aea6162f40e739bf7919f00f017ea)</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(3045022100ee4155ed66d21b8637eedf01b64d515bdd40de0f06b1aa254700d15e0ae151460220302e626c3de7a0214ceca7846d5e34c4139608e5f9f07cb8bb49a9345b62ecca)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3044022012e4fec660ed2e0d787f235dbc9622bcb2e1d352601419cf1cb1e6d3019d6af302203237f39045582026aef7ddfba142fbc5103521954fc0631baec719a0ab67ace1)</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(304402204d0bb1f57c95552490589719542bc42aa0bb93523ace886b23e5a3fab55b1a3d022050be132c7e2b56d3fc1b12a313d13dfd667f1c28dd93e6c91c42d9d4d89ef57b)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402206d2ff8d4d423f23e553a5186503a0d7d6829d95229f5636095d89f806c901d98022053228d027a99ca12124711d756a3f28b097aea6162f40e739bf7919f00f017ea)</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+162-0e9449d9-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+164-ac374780-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+162-0e9449d9-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+164-ac374780-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
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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, 0x5d6aef3f31714fac32608eff2bdedb44db4ad1595bd412615f47c92c3aaa48a5)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xf8f2dd04147b5e561935f7aa189799596c86883a1ab968c9ae701bccf4d5e7b1)</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(frost, first, sound, glass, belt, stock, sister, balcony, you, galaxy, replace, meadow, regret, hamster, grace, kind, bar, april, spin, myself, senior, festival, card, post)</span>
<span class="hljs-comment">// Vector(wedding, notice, donate, cigar, remove, climb, gospel, same, present, seven, town, ready, silent, dune, trick, fire, hand, estate, orchard, daring, soon, helmet, paddle, chest)</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-example8316895516669304535/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example7977439441055012560/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-example8316895516669304535/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7977439441055012560/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@4d12e13f)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@6bcb5c5f)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZtT9SUZS5xndd9oobhkWjhpDXn4Ljn1bi9xPMEfadvN6JJ3fDxEiobT7jVxdFFCXMvoNxyZ9xnHeiPAVDwX7N27y4qxSMKx</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYddDni49kgymfw5yPqJQsYTdJwe4yNgH3J1Z4HW3SbHabtMDVVieYPsXgFtdJsu84zES8sZ2C9dZBkqJgdS8wkx4TAMy4iZ</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZtT9SUZS5xndd9oobhkWjhpDXn4Ljn1bi9xPMEfadvN6JJ3fDxEiobT7jVxdFFCXMvoNxyZ9xnHeiPAVDwX7N27y4qxSMKx</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYddDni49kgymfw5yPqJQsYTdJwe4yNgH3J1Z4HW3SbHabtMDVVieYPsXgFtdJsu84zES8sZ2C9dZBkqJgdS8wkx4TAMy4iZ</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-example8316895516669304535/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7977439441055012560/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@1240f250</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@3efa5662</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZy5DcmuhvvKAeK2PbNBiWQ9u6fMdtFoX7vZDJMsKq8AzeP7t1DarQS9vLjQLs5tciu5FdqmDD9j24BjxBZao4SvNYd91eNoG</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwpPh89Ceb3MnMofmAKGQXzYWSXDcVQBoFhGU4vAHvqv8giBZV8LLAxLkgAGs9XKKc8gh1fD5P6Mxf7d12Gi62fCe1ZhW9zi</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZy5DcmuhvvKAeK2PbNBiWQ9u6fMdtFoX7vZDJMsKq8AzeP7t1DarQS9vLjQLs5tciu5FdqmDD9j24BjxBZao4SvNYd91eNoG</span>
<span class="hljs-comment">// zpub6jftahH18ngZwpPh89Ceb3MnMofmAKGQXzYWSXDcVQBoFhGU4vAHvqv8giBZV8LLAxLkgAGs9XKKc8gh1fD5P6Mxf7d12Gi62fCe1ZhW9zi</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, 0x5d6aef3f31714fac32608eff2bdedb44db4ad1595bd412615f47c92c3aaa48a5)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xf8f2dd04147b5e561935f7aa189799596c86883a1ab968c9ae701bccf4d5e7b1)</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(frost, first, sound, glass, belt, stock, sister, balcony, you, galaxy, replace, meadow, regret, hamster, grace, kind, bar, april, spin, myself, senior, festival, card, post)</span>
<span class="hljs-comment">// Vector(wedding, notice, donate, cigar, remove, climb, gospel, same, present, seven, town, ready, silent, dune, trick, fire, hand, estate, orchard, daring, soon, helmet, paddle, chest)</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-example8316895516669304535/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example7977439441055012560/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-example8316895516669304535/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7977439441055012560/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@4d12e13f)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@6bcb5c5f)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZtT9SUZS5xndd9oobhkWjhpDXn4Ljn1bi9xPMEfadvN6JJ3fDxEiobT7jVxdFFCXMvoNxyZ9xnHeiPAVDwX7N27y4qxSMKx</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYddDni49kgymfw5yPqJQsYTdJwe4yNgH3J1Z4HW3SbHabtMDVVieYPsXgFtdJsu84zES8sZ2C9dZBkqJgdS8wkx4TAMy4iZ</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZtT9SUZS5xndd9oobhkWjhpDXn4Ljn1bi9xPMEfadvN6JJ3fDxEiobT7jVxdFFCXMvoNxyZ9xnHeiPAVDwX7N27y4qxSMKx</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYddDni49kgymfw5yPqJQsYTdJwe4yNgH3J1Z4HW3SbHabtMDVVieYPsXgFtdJsu84zES8sZ2C9dZBkqJgdS8wkx4TAMy4iZ</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-example8316895516669304535/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7977439441055012560/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@1240f250</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@3efa5662</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZy5DcmuhvvKAeK2PbNBiWQ9u6fMdtFoX7vZDJMsKq8AzeP7t1DarQS9vLjQLs5tciu5FdqmDD9j24BjxBZao4SvNYd91eNoG</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwpPh89Ceb3MnMofmAKGQXzYWSXDcVQBoFhGU4vAHvqv8giBZV8LLAxLkgAGs9XKKc8gh1fD5P6Mxf7d12Gi62fCe1ZhW9zi</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZy5DcmuhvvKAeK2PbNBiWQ9u6fMdtFoX7vZDJMsKq8AzeP7t1DarQS9vLjQLs5tciu5FdqmDD9j24BjxBZao4SvNYd91eNoG</span>
<span class="hljs-comment">// zpub6jftahH18ngZwpPh89Ceb3MnMofmAKGQXzYWSXDcVQBoFhGU4vAHvqv8giBZV8LLAxLkgAGs9XKKc8gh1fD5P6Mxf7d12Gi62fCe1ZhW9zi</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(0307c95b86f2baee35ba50467f93aff04cb3f46b8af0f6bf13e81a4a57e2ec70dd)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02ae9b9e4e0fd60fd7c370d92e16440248d394e753717492915743565202702642)</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(304502210099c065fe9e876ce045e6c0463ed9c8d8657392e07c9e13f3e12c2d803049e38e0220641104c5742f2ec3354ff630e096e9d904778e43b34ab98a2645e8a7647ac572)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402201409ea714523bd0a12408f42147519772b4337db07fb5c72e5ccfb674a99af1702203988a2563362c43fc2c62aa044a0de18a7e6d9fb9faf7270a9df5238e2d86027)</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(0307c95b86f2baee35ba50467f93aff04cb3f46b8af0f6bf13e81a4a57e2ec70dd)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02ae9b9e4e0fd60fd7c370d92e16440248d394e753717492915743565202702642)</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(304502210099c065fe9e876ce045e6c0463ed9c8d8657392e07c9e13f3e12c2d803049e38e0220641104c5742f2ec3354ff630e096e9d904778e43b34ab98a2645e8a7647ac572)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402201409ea714523bd0a12408f42147519772b4337db07fb5c72e5ccfb674a99af1702203988a2563362c43fc2c62aa044a0de18a7e6d9fb9faf7270a9df5238e2d86027)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>