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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(026d432031fe8b7e3af3ef15ea7d8525f60ca3f89a5f1fb9b2956af7830ce0732c)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02c1be464d2483882cc98bd91a552b0cdb679e647cd94feefb0d8eb61211e2a3dd)</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 = tb1qk6a0pvrhl6e97gqlm4cm7spy00gmw6uuxvsf45</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q9q05k6wh3squxgsun2cau9yzschhyvp65qvsul</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qk6a0pvrhl6e97gqlm4cm7spy00gmw6uuxvsf45</span>
<span class="hljs-comment">// tb1q9q05k6wh3squxgsun2cau9yzschhyvp65qvsul</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 = mxB9DoKd46YV2oU8VqbeZEALQYdi3mjAEA</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mjB6p7WWgGpanJEu84A72EsDFERNbJxMrU</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mxB9DoKd46YV2oU8VqbeZEALQYdi3mjAEA</span>
<span class="hljs-comment">// mjB6p7WWgGpanJEu84A72EsDFERNbJxMrU</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(026d432031fe8b7e3af3ef15ea7d8525f60ca3f89a5f1fb9b2956af7830ce0732c)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02c1be464d2483882cc98bd91a552b0cdb679e647cd94feefb0d8eb61211e2a3dd)</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 = tb1qk6a0pvrhl6e97gqlm4cm7spy00gmw6uuxvsf45</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q9q05k6wh3squxgsun2cau9yzschhyvp65qvsul</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qk6a0pvrhl6e97gqlm4cm7spy00gmw6uuxvsf45</span>
<span class="hljs-comment">// tb1q9q05k6wh3squxgsun2cau9yzschhyvp65qvsul</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 = mxB9DoKd46YV2oU8VqbeZEALQYdi3mjAEA</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mjB6p7WWgGpanJEu84A72EsDFERNbJxMrU</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mxB9DoKd46YV2oU8VqbeZEALQYdi3mjAEA</span>
<span class="hljs-comment">// mjB6p7WWgGpanJEu84A72EsDFERNbJxMrU</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, 0xe19282914e0b74fd390c1332cb10f84d7c12a956caf333a1c66dcbab655713ce)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x6962d7af9a55eb3d3a912ca763a1698a32b05131500448762a5ad6d8bec352c5)</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(thunder, neglect, picture, orchard, resemble, leader, tomorrow, list, crazy, flat, dignity, online, scorpion, feed, forest, fury, crisp, athlete, opinion, nuclear, rent, process, execute, ski) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(harvest, birth, typical, cruise, gadget, ozone, tumble, cereal, polar, brown, foil, behave, climb, chuckle, shed, above, embody, rally, note, pumpkin, message, giant, enrich, poverty) // 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 = zpub6jftahH18ngZxomccEYU33eBP81naFGzzzLKB953BqgewoCpcnbq5cqAAkkp6i5m6mwmBmW3tK2Epifo5qJuwmvLhP4qaGpYyyRLFx5tA9P</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwtR7DPc72ApLuAsST1YzcGnLvyHUNYG6CzTPiZHQokc5W7tVGUu61kNAqn8KXh5z8bKKvdtW7tq1u9Ut2qQF7YPnaVgHHBK</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 = zpub6qeyEbvh4eARkYqSR8pHT2ECJXWacpgrGfr9kpKvQU6DUZWZTqAwXnRqd1GqLNzCokfjhrDKgPoXkRZ1bjHtQzcBkqMK92RdQUdZ4u58hmD</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qz6qMvTgj4HxozekziGSX8x9nEWUaqJ1nXtUEQ6QgWWgJuMwbgxb8NcGuoLfmLtfY7TydH9kgLJRy7tMfMqfvYBUfRzc3HimQLHGkZPaEm</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 = tb1qmgnn2yn0qpuryd473lp88anjsftpwu0x0ur449</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qy6ackfatz70zu8n5ctmu9204cej3y602jq7p9l</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 = tb1qmgnn2yn0qpuryd473lp88anjsftpwu0x0ur449</span>
<span class="hljs-comment">// res2: String = tb1qy6ackfatz70zu8n5ctmu9204cej3y602jq7p9l</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, 0xe19282914e0b74fd390c1332cb10f84d7c12a956caf333a1c66dcbab655713ce)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x6962d7af9a55eb3d3a912ca763a1698a32b05131500448762a5ad6d8bec352c5)</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(thunder, neglect, picture, orchard, resemble, leader, tomorrow, list, crazy, flat, dignity, online, scorpion, feed, forest, fury, crisp, athlete, opinion, nuclear, rent, process, execute, ski) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(harvest, birth, typical, cruise, gadget, ozone, tumble, cereal, polar, brown, foil, behave, climb, chuckle, shed, above, embody, rally, note, pumpkin, message, giant, enrich, poverty) // 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 = zpub6jftahH18ngZxomccEYU33eBP81naFGzzzLKB953BqgewoCpcnbq5cqAAkkp6i5m6mwmBmW3tK2Epifo5qJuwmvLhP4qaGpYyyRLFx5tA9P</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwtR7DPc72ApLuAsST1YzcGnLvyHUNYG6CzTPiZHQokc5W7tVGUu61kNAqn8KXh5z8bKKvdtW7tq1u9Ut2qQF7YPnaVgHHBK</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 = zpub6qeyEbvh4eARkYqSR8pHT2ECJXWacpgrGfr9kpKvQU6DUZWZTqAwXnRqd1GqLNzCokfjhrDKgPoXkRZ1bjHtQzcBkqMK92RdQUdZ4u58hmD</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qz6qMvTgj4HxozekziGSX8x9nEWUaqJ1nXtUEQ6QgWWgJuMwbgxb8NcGuoLfmLtfY7TydH9kgLJRy7tMfMqfvYBUfRzc3HimQLHGkZPaEm</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 = tb1qmgnn2yn0qpuryd473lp88anjsftpwu0x0ur449</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qy6ackfatz70zu8n5ctmu9204cej3y602jq7p9l</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 = tb1qmgnn2yn0qpuryd473lp88anjsftpwu0x0ur449</span>
<span class="hljs-comment">// res2: String = tb1qy6ackfatz70zu8n5ctmu9204cej3y602jq7p9l</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$$anon$3@2688282b[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@768541bd[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(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905)</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(0088760427708c6c53a8479ecba943fbf428db55)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b)</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(0088760427708c6c53a8479ecba943fbf428db55))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b))</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(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e)</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(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e)))</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(0088760427708c6c53a8479ecba943fbf428db55))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0)</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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),10000 sats,ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),10000 sats,ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905))</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(ce9247ea6169ebea00237d54faa7bed5562207df)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(8e7b50f144b9f0128416aba57d1aac0dbfd9d312)</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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),10000 sats,ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d))),1 sats/byte,pkh(ce9247ea6169ebea00237d54faa7bed5562207df))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),10000 sats,ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905))),1 sats/byte,pkh(8e7b50f144b9f0128416aba57d1aac0dbfd9d312))</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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca)), TransactionOutput(4775 sats,pkh(ce9247ea6169ebea00237d54faa7bed5562207df))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e)), TransactionOutput(4775 sats,pkh(8e7b50f144b9f0128416aba57d1aac0dbfd9d312))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),10000 sats,ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(0088760427708c6c53a8479ecba943fbf428db55))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),10000 sats,ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),10000 sats,ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(0088760427708c6c53a8479ecba943fbf428db55))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),10000 sats,ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),P2PKHScriptSignature(ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d), ECDigitalSignature(30440220793cda56fcc9735a89942f01bd8023ba8ca24b4594e206ffa40c193333996a9d0220756ed2f61a39a885cd28978f26fe3bea9b3a171f5f1e5fb46de2c609f8b6d80d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca)), TransactionOutput(4775 sats,pkh(ce9247ea6169ebea00237d54faa7bed5562207df))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),P2PKHScriptSignature(ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905), ECDigitalSignature(304402200afeb9c887b3df2a46827aabe119ea1f5dbb53d3247a3a6f46d60a15feffecb60220394ce83149438a5247039e067fd4902433b64f85dbc769f64967e67c48cdd45701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e)), TransactionOutput(4775 sats,pkh(8e7b50f144b9f0128416aba57d1aac0dbfd9d312))),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 = 02000000019ae7bca0fb913d0f915cf6a9f71765aa5e4c4ac4461910ff6e9c7371c5958fd6000000006a4730440220793cda56fcc9735a89942f01bd8023ba8ca24b4594e206ffa40c193333996a9d0220756ed2f61a39a885cd28978f26fe3bea9b3a171f5f1e5fb46de2c609f8b6d80d012103173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d000000000288130000000000001976a91435fd54ecb7ecad14f0eec1d2b9f94d57ba22faca88aca7120000000000001976a914ce9247ea6169ebea00237d54faa7bed5562207df88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001a6ece4d74819f53930a196d8138b2542cac58c99dcd19923a80aaad77abee150000000006a47304402200afeb9c887b3df2a46827aabe119ea1f5dbb53d3247a3a6f46d60a15feffecb60220394ce83149438a5247039e067fd4902433b64f85dbc769f64967e67c48cdd4570121037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905000000000288130000000000001976a91436bf8ec67071560867cbd9a75e3f3060eccdf77e88aca7120000000000001976a9148e7b50f144b9f0128416aba57d1aac0dbfd9d31288ac00000000</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$$anon$3@2688282b[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@768541bd[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(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905)</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(0088760427708c6c53a8479ecba943fbf428db55)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b)</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(0088760427708c6c53a8479ecba943fbf428db55))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b))</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(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e)</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(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e)))</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(0088760427708c6c53a8479ecba943fbf428db55))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0)</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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),10000 sats,ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),10000 sats,ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905))</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(ce9247ea6169ebea00237d54faa7bed5562207df)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(8e7b50f144b9f0128416aba57d1aac0dbfd9d312)</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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),10000 sats,ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d))),1 sats/byte,pkh(ce9247ea6169ebea00237d54faa7bed5562207df))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),10000 sats,ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905))),1 sats/byte,pkh(8e7b50f144b9f0128416aba57d1aac0dbfd9d312))</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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca)), TransactionOutput(4775 sats,pkh(ce9247ea6169ebea00237d54faa7bed5562207df))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e)), TransactionOutput(4775 sats,pkh(8e7b50f144b9f0128416aba57d1aac0dbfd9d312))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),10000 sats,ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(0088760427708c6c53a8479ecba943fbf428db55))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),10000 sats,ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),10000 sats,ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(0088760427708c6c53a8479ecba943fbf428db55))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),10000 sats,ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(734ab2b90dafc2af50b950e6b2071b24a9acde0b))),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(d68f95c571739c6eff101946c44a4c5eaa6517f7a9f65c910f3d91fba0bce79a:0),P2PKHScriptSignature(ECPublicKey(03173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d), ECDigitalSignature(30440220793cda56fcc9735a89942f01bd8023ba8ca24b4594e206ffa40c193333996a9d0220756ed2f61a39a885cd28978f26fe3bea9b3a171f5f1e5fb46de2c609f8b6d80d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(35fd54ecb7ecad14f0eec1d2b9f94d57ba22faca)), TransactionOutput(4775 sats,pkh(ce9247ea6169ebea00237d54faa7bed5562207df))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(50e1be7ad7aa0aa82399d1dc998cc5ca42258b13d896a13039f51948d7e4eca6:0),P2PKHScriptSignature(ECPublicKey(037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905), ECDigitalSignature(304402200afeb9c887b3df2a46827aabe119ea1f5dbb53d3247a3a6f46d60a15feffecb60220394ce83149438a5247039e067fd4902433b64f85dbc769f64967e67c48cdd45701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36bf8ec67071560867cbd9a75e3f3060eccdf77e)), TransactionOutput(4775 sats,pkh(8e7b50f144b9f0128416aba57d1aac0dbfd9d312))),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 = 02000000019ae7bca0fb913d0f915cf6a9f71765aa5e4c4ac4461910ff6e9c7371c5958fd6000000006a4730440220793cda56fcc9735a89942f01bd8023ba8ca24b4594e206ffa40c193333996a9d0220756ed2f61a39a885cd28978f26fe3bea9b3a171f5f1e5fb46de2c609f8b6d80d012103173c1b0dfb76edcf7b48e13f45f4987cfae1875b8c9a5da3518af8e2de1a169d000000000288130000000000001976a91435fd54ecb7ecad14f0eec1d2b9f94d57ba22faca88aca7120000000000001976a914ce9247ea6169ebea00237d54faa7bed5562207df88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001a6ece4d74819f53930a196d8138b2542cac58c99dcd19923a80aaad77abee150000000006a47304402200afeb9c887b3df2a46827aabe119ea1f5dbb53d3247a3a6f46d60a15feffecb60220394ce83149438a5247039e067fd4902433b64f85dbc769f64967e67c48cdd4570121037639a59ce0b2856e9d098b01ddc35671cdf30a2e7aca637cb79c279eb7276905000000000288130000000000001976a91436bf8ec67071560867cbd9a75e3f3060eccdf77e88aca7120000000000001976a9148e7b50f144b9f0128416aba57d1aac0dbfd9d31288ac00000000</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(304402203b30a10ae278b1c0e37453a59ea8c352e39e0c45719310d77ce1e7d501abfb2202201cac5169d7c5a3e3592cb93fac2ac613f8249b8bd94543ae5dc3cfa5ecf70bd7)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30440220381c2ecace7d02e44e27544472c549602e2de7d55627c1f2d6cdaaa0725009210220309e4c895c2c6ab22ef9448f52283f5699495985c6de68a8de7e122feb204745)</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(3045022100a24bacd01dbef2c7e1faededa58cd0560f8b351bf437559bf3ec5672a0a15bd6022054cbd02abcb6d2027e4535086af14b8c5b69f0166a24a85cf21b1d057a7feaca)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100f562e7019d68e6a05e2e646641e0a5ead8ad64f69a4bebfc91c2229ae31fe85f02207cfcda5c7412c19827ad8851f203b77f5f01876f59a42d58e2945a6da907f376)</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(304402203b30a10ae278b1c0e37453a59ea8c352e39e0c45719310d77ce1e7d501abfb2202201cac5169d7c5a3e3592cb93fac2ac613f8249b8bd94543ae5dc3cfa5ecf70bd7)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30440220381c2ecace7d02e44e27544472c549602e2de7d55627c1f2d6cdaaa0725009210220309e4c895c2c6ab22ef9448f52283f5699495985c6de68a8de7e122feb204745)</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(3045022100a24bacd01dbef2c7e1faededa58cd0560f8b351bf437559bf3ec5672a0a15bd6022054cbd02abcb6d2027e4535086af14b8c5b69f0166a24a85cf21b1d057a7feaca)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100f562e7019d68e6a05e2e646641e0a5ead8ad64f69a4bebfc91c2229ae31fe85f02207cfcda5c7412c19827ad8851f203b77f5f01876f59a42d58e2945a6da907f376)</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+152-bd3584eb-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+153-49a281ac-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+152-bd3584eb-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+153-49a281ac-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, 0xc45c51e769a558c7edbd078e48e9d888fdfc91de98f17563a8acbd70dbb5ce45)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x933d3a27a0737351c8f6ef3b7372fa8d8b5bd268e44c9df6e72aa91685b8f116)</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(session, tip, keep, spy, few, glue, report, path, mixture, elder, involve, ball, thank, employ, kidney, bullet, install, bubble, clinic, kit, asset, sustain, decorate, puzzle)</span>
<span class="hljs-comment">// Vector(nasty, truth, measure, domain, damp, pottery, cat, target, derive, oppose, salt, brand, remember, truck, phone, maze, over, rescue, skirt, fall, hair, symbol, session, steak)</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-example2732644417905598342/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example3084999163968165472/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-example2732644417905598342/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3084999163968165472/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-example2732644417905598342/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example3084999163968165472/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest),</span>
<span class="hljs-comment">// bip39PasswordOpt=None,</span>
<span class="hljs-comment">// creationTime=2020-12-11T22:29:30Z))</span>
<span class="hljs-comment">// creationTime=2020-12-11T23:48:29Z))</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYpotaiKwpvEUCkAQR21Xb4aw9dHdVU84AjC8ctMQbCk2ChHsS1Dha5n1CcYZHjtc5NWgvamcP1GVRA7MXpoULWoWRCDzNBi</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYUV6QCA8R8hAwYnEQTxANyVg6JPGs6SaUCmBLDACGCMzaBRi21TNdSqvLkqjtZWJctiCrWXgdxYVzi3xpvzbA41n1FaUyo5</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYpotaiKwpvEUCkAQR21Xb4aw9dHdVU84AjC8ctMQbCk2ChHsS1Dha5n1CcYZHjtc5NWgvamcP1GVRA7MXpoULWoWRCDzNBi</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYUV6QCA8R8hAwYnEQTxANyVg6JPGs6SaUCmBLDACGCMzaBRi21TNdSqvLkqjtZWJctiCrWXgdxYVzi3xpvzbA41n1FaUyo5</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-example2732644417905598342/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3084999163968165472/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-example2732644417905598342/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example3084999163968165472/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet),</span>
<span class="hljs-comment">// bip39PasswordOpt=None,</span>
<span class="hljs-comment">// creationTime=2020-12-11T22:29:30.782Z)</span>
<span class="hljs-comment">// creationTime=2020-12-11T23:48:30.682Z)</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx1aMv9USfGcUtckCBVyXFWfpHCsB1VdaP8T3dX1f5TNaHX8DRdqPCeFECWvo8PJocWxwoNRfZwzttWu3sU5RRR45yYmRWHe</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwfFZjdJdFV5BdRN2AwvA3RaZDsxpP7x6gc26LqpSkSzYf1G41e54G1K9LfDyjCvWA3ATjJBjpuGuU4qfAaGYExGMZVNJ3f7</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZx1aMv9USfGcUtckCBVyXFWfpHCsB1VdaP8T3dX1f5TNaHX8DRdqPCeFECWvo8PJocWxwoNRfZwzttWu3sU5RRR45yYmRWHe</span>
<span class="hljs-comment">// zpub6jftahH18ngZwfFZjdJdFV5BdRN2AwvA3RaZDsxpP7x6gc26LqpSkSzYf1G41e54G1K9LfDyjCvWA3ATjJBjpuGuU4qfAaGYExGMZVNJ3f7</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, 0xc45c51e769a558c7edbd078e48e9d888fdfc91de98f17563a8acbd70dbb5ce45)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x933d3a27a0737351c8f6ef3b7372fa8d8b5bd268e44c9df6e72aa91685b8f116)</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(session, tip, keep, spy, few, glue, report, path, mixture, elder, involve, ball, thank, employ, kidney, bullet, install, bubble, clinic, kit, asset, sustain, decorate, puzzle)</span>
<span class="hljs-comment">// Vector(nasty, truth, measure, domain, damp, pottery, cat, target, derive, oppose, salt, brand, remember, truck, phone, maze, over, rescue, skirt, fall, hair, symbol, session, steak)</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-example2732644417905598342/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example3084999163968165472/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-example2732644417905598342/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3084999163968165472/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-example2732644417905598342/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example3084999163968165472/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest),</span>
<span class="hljs-comment">// bip39PasswordOpt=None,</span>
<span class="hljs-comment">// creationTime=2020-12-11T22:29:30Z))</span>
<span class="hljs-comment">// creationTime=2020-12-11T23:48:29Z))</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYpotaiKwpvEUCkAQR21Xb4aw9dHdVU84AjC8ctMQbCk2ChHsS1Dha5n1CcYZHjtc5NWgvamcP1GVRA7MXpoULWoWRCDzNBi</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYUV6QCA8R8hAwYnEQTxANyVg6JPGs6SaUCmBLDACGCMzaBRi21TNdSqvLkqjtZWJctiCrWXgdxYVzi3xpvzbA41n1FaUyo5</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYpotaiKwpvEUCkAQR21Xb4aw9dHdVU84AjC8ctMQbCk2ChHsS1Dha5n1CcYZHjtc5NWgvamcP1GVRA7MXpoULWoWRCDzNBi</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYUV6QCA8R8hAwYnEQTxANyVg6JPGs6SaUCmBLDACGCMzaBRi21TNdSqvLkqjtZWJctiCrWXgdxYVzi3xpvzbA41n1FaUyo5</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-example2732644417905598342/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example3084999163968165472/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-example2732644417905598342/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet),</span>
<span class="hljs-comment">// kmParams=KeyManagerParams(/tmp/key-manager-example3084999163968165472/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet),</span>
<span class="hljs-comment">// bip39PasswordOpt=None,</span>
<span class="hljs-comment">// creationTime=2020-12-11T22:29:30.782Z)</span>
<span class="hljs-comment">// creationTime=2020-12-11T23:48:30.682Z)</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx1aMv9USfGcUtckCBVyXFWfpHCsB1VdaP8T3dX1f5TNaHX8DRdqPCeFECWvo8PJocWxwoNRfZwzttWu3sU5RRR45yYmRWHe</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwfFZjdJdFV5BdRN2AwvA3RaZDsxpP7x6gc26LqpSkSzYf1G41e54G1K9LfDyjCvWA3ATjJBjpuGuU4qfAaGYExGMZVNJ3f7</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZx1aMv9USfGcUtckCBVyXFWfpHCsB1VdaP8T3dX1f5TNaHX8DRdqPCeFECWvo8PJocWxwoNRfZwzttWu3sU5RRR45yYmRWHe</span>
<span class="hljs-comment">// zpub6jftahH18ngZwfFZjdJdFV5BdRN2AwvA3RaZDsxpP7x6gc26LqpSkSzYf1G41e54G1K9LfDyjCvWA3ATjJBjpuGuU4qfAaGYExGMZVNJ3f7</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(028a099c1744f9e31c238ede544dbb8781dfd37b3b6be718c44a4c2eaf1c0f4971)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0272219a26e58eac9e22beb674e293d2a364825a36a7099a43d1e71d0b0cd9a830)</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(3045022100eea4c99f42b6505fa8f2bc4541f2c22939ecd1bb0a6de052ac77ea59177047e902203b43553518a49b75f2a2fd90b63d35dc2c8c0ec51b4edec1cb0a75f9e1adc1d8)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100d379b1afe8d1ea0d0ea3994827caa476d138b37fff7ba22de96a0408760890e3022053dea1609e480916265ef986722152a6bf80810ea20fbfee15bd0c5fa4860035)</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(028a099c1744f9e31c238ede544dbb8781dfd37b3b6be718c44a4c2eaf1c0f4971)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0272219a26e58eac9e22beb674e293d2a364825a36a7099a43d1e71d0b0cd9a830)</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(3045022100eea4c99f42b6505fa8f2bc4541f2c22939ecd1bb0a6de052ac77ea59177047e902203b43553518a49b75f2a2fd90b63d35dc2c8c0ec51b4edec1cb0a75f9e1adc1d8)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100d379b1afe8d1ea0d0ea3994827caa476d138b37fff7ba22de96a0408760890e3022053dea1609e480916265ef986722152a6bf80810ea20fbfee15bd0c5fa4860035)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>