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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(03f9170c50770b621c67c1dabb438ce8de7d3714d896b7832542d9c2e63ce9ec8c)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03ce45df9d1746e77ddc1582afdbd637e394dbd59be7b0506e4300dc517f8485ff)</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 = tb1qlm7pyfsl4ynwcuhugzuf7v65vut2kwqjhx77kq</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q28606dhag0ez9cvkh2agj3rng5jadw0feps64l</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qlm7pyfsl4ynwcuhugzuf7v65vut2kwqjhx77kq</span>
<span class="hljs-comment">// tb1q28606dhag0ez9cvkh2agj3rng5jadw0feps64l</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 = n4mBtyK8PKiEgdn4PYpYsrqMANqgeaE9oY</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mnzJWja4f7LkH6fjdEbsrau4r36S8iG2Gc</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n4mBtyK8PKiEgdn4PYpYsrqMANqgeaE9oY</span>
<span class="hljs-comment">// mnzJWja4f7LkH6fjdEbsrau4r36S8iG2Gc</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

10
docs/next/core/addresses/index.html
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(03f9170c50770b621c67c1dabb438ce8de7d3714d896b7832542d9c2e63ce9ec8c)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(03ce45df9d1746e77ddc1582afdbd637e394dbd59be7b0506e4300dc517f8485ff)</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 = tb1qlm7pyfsl4ynwcuhugzuf7v65vut2kwqjhx77kq</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q28606dhag0ez9cvkh2agj3rng5jadw0feps64l</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qlm7pyfsl4ynwcuhugzuf7v65vut2kwqjhx77kq</span>
<span class="hljs-comment">// tb1q28606dhag0ez9cvkh2agj3rng5jadw0feps64l</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 = n4mBtyK8PKiEgdn4PYpYsrqMANqgeaE9oY</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mnzJWja4f7LkH6fjdEbsrau4r36S8iG2Gc</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n4mBtyK8PKiEgdn4PYpYsrqMANqgeaE9oY</span>
<span class="hljs-comment">// mnzJWja4f7LkH6fjdEbsrau4r36S8iG2Gc</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev">← </span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

12
docs/next/core/hd-keys.html
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@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x99a8a4be60aa4ee7fcbbfcaa598b42f335d21886cf1eebeaf502a30e0947bcaa)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xcfb2c0c8f1c730582a10afb906a151ba085245f4176cb47f768c35a489b66b3a)</span>
<span class="hljs-keyword">val</span> mnemonicCode = <span class="hljs-type">MnemonicCode</span>.fromEntropy(entropy)
<span class="hljs-comment">// mnemonicCode: MnemonicCode = Masked(MnemonicCodeImpl)</span>
mnemonicCode.words <span class="hljs-comment">// the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(often, early, convince, scout, pilot, initial, very, legend, prevent, slush, spawn, toy, frog, arrange, brass, toilet, typical, fish, doll, ecology, they, phrase, verify, enlist) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(soul, noodle, cram, toe, indoor, clown, portion, bicycle, ribbon, crush, federal, inject, lunch, carry, space, unique, refuse, wing, perfect, hero, embrace, swamp, provide, exclude) // 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 = zpub6jftahH18ngZxk67Fb2ho3svhcEzs5rNqxeAfRcfmJpv5FYxpzBjCGFuE3S1Vp2atfEvBPWP97DLkTCjJ4XrfH9jP6F7R2ayguYg1bEEDLV</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZy5HAu3ZmGGdj7HVDNnCQMkUWSL2uHaQdBFY582yqcdvKXXYnH1z213ZB5KYqgXT8d74HhtqHAh2rW5VXyGUHAMi5JPFX87A</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 = zpub6qwMMShGy1tFMm6JhJLkJ4UZELVPizG6KVmqLKmDg6nVuPBycVUKPuiRxqU4NwzwLeCxifY3LwGqosHGYrJtVdChrfZTPWkdk8KjVTUMjoP</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rnvuRG62xD4USb9kgqUPGhXxxaUzDcp6VWGYvTgW5Y8EsKWypa1fDjyynjzsxvQedxFQ4c97UdmNA1JSPktS6Mro7RBue6o9AZzu67whxL</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 = tb1qnnfuc3el2nvfu555sa3yn9552h309lkf8lzn08</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q39yec86ed8f8s5884fjdegftt8z4gujcemr0va</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 = tb1qnnfuc3el2nvfu555sa3yn9552h309lkf8lzn08</span>
<span class="hljs-comment">// res2: String = tb1q39yec86ed8f8s5884fjdegftt8z4gujcemr0va</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, 0x99a8a4be60aa4ee7fcbbfcaa598b42f335d21886cf1eebeaf502a30e0947bcaa)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xcfb2c0c8f1c730582a10afb906a151ba085245f4176cb47f768c35a489b66b3a)</span>
<span class="hljs-keyword">val</span> mnemonicCode = <span class="hljs-type">MnemonicCode</span>.fromEntropy(entropy)
<span class="hljs-comment">// mnemonicCode: MnemonicCode = Masked(MnemonicCodeImpl)</span>
mnemonicCode.words <span class="hljs-comment">// the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(often, early, convince, scout, pilot, initial, very, legend, prevent, slush, spawn, toy, frog, arrange, brass, toilet, typical, fish, doll, ecology, they, phrase, verify, enlist) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(soul, noodle, cram, toe, indoor, clown, portion, bicycle, ribbon, crush, federal, inject, lunch, carry, space, unique, refuse, wing, perfect, hero, embrace, swamp, provide, exclude) // 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 = zpub6jftahH18ngZxk67Fb2ho3svhcEzs5rNqxeAfRcfmJpv5FYxpzBjCGFuE3S1Vp2atfEvBPWP97DLkTCjJ4XrfH9jP6F7R2ayguYg1bEEDLV</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZy5HAu3ZmGGdj7HVDNnCQMkUWSL2uHaQdBFY582yqcdvKXXYnH1z213ZB5KYqgXT8d74HhtqHAh2rW5VXyGUHAMi5JPFX87A</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 = zpub6qwMMShGy1tFMm6JhJLkJ4UZELVPizG6KVmqLKmDg6nVuPBycVUKPuiRxqU4NwzwLeCxifY3LwGqosHGYrJtVdChrfZTPWkdk8KjVTUMjoP</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rnvuRG62xD4USb9kgqUPGhXxxaUzDcp6VWGYvTgW5Y8EsKWypa1fDjyynjzsxvQedxFQ4c97UdmNA1JSPktS6Mro7RBue6o9AZzu67whxL</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 = tb1qnnfuc3el2nvfu555sa3yn9552h309lkf8lzn08</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q39yec86ed8f8s5884fjdegftt8z4gujcemr0va</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 = tb1qnnfuc3el2nvfu555sa3yn9552h309lkf8lzn08</span>
<span class="hljs-comment">// res2: String = tb1q39yec86ed8f8s5884fjdegftt8z4gujcemr0va</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$$anon$3@6fb6bb3[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@633eb04e[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569)</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(8ad9823f12d3136e2ef7d8117895de6a942abbf8)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(5cf397e1a86ab149eabc87717d6495041b577986)</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(8ad9823f12d3136e2ef7d8117895de6a942abbf8))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(5cf397e1a86ab149eabc87717d6495041b577986))</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(7670842c031bb618507599277f79ca1baa22561c)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6)</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(7670842c031bb618507599277f79ca1baa22561c)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6)))</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(8ad9823f12d3136e2ef7d8117895de6a942abbf8))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5cf397e1a86ab149eabc87717d6495041b577986))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0)</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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7670842c031bb618507599277f79ca1baa22561c))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),10000 sats,ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),10000 sats,ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569))</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(23168996f486ac72cf054812286f5a692bd095ea)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(894339dd450a2284d4236c8b392843eaf26f3d6f)</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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),10000 sats,ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876))),1 sats/byte,pkh(23168996f486ac72cf054812286f5a692bd095ea))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),10000 sats,ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569))),1 sats/byte,pkh(894339dd450a2284d4236c8b392843eaf26f3d6f))</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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7670842c031bb618507599277f79ca1baa22561c)), TransactionOutput(4775 sats,pkh(23168996f486ac72cf054812286f5a692bd095ea))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6)), TransactionOutput(4775 sats,pkh(894339dd450a2284d4236c8b392843eaf26f3d6f))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),10000 sats,ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ad9823f12d3136e2ef7d8117895de6a942abbf8))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),10000 sats,ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5cf397e1a86ab149eabc87717d6495041b577986))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),10000 sats,ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ad9823f12d3136e2ef7d8117895de6a942abbf8))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),10000 sats,ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5cf397e1a86ab149eabc87717d6495041b577986))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),P2PKHScriptSignature(ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876), ECDigitalSignature(304402207ec1b8c5fa4f3a2a61b8dd0babba6ed5086e7aa5bd0205242a8fcdcd27eb73d6022019101392cdd06035cdc21056da6eb86cd00d9a4570a4b5133526ad820dac2ef701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7670842c031bb618507599277f79ca1baa22561c)), TransactionOutput(4775 sats,pkh(23168996f486ac72cf054812286f5a692bd095ea))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),P2PKHScriptSignature(ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569), ECDigitalSignature(3044022009440bfa469555f74dbacd9f14758da06518c80221ea7ec0414c107652afed8102203301bde00f4d660014b7e1cafe13e6b999e76cd20d8d342e4fb4eacabcefa08b01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6)), TransactionOutput(4775 sats,pkh(894339dd450a2284d4236c8b392843eaf26f3d6f))),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 = 02000000014bfbba253a5d480ca92d9f1a383af8c797144e31ea97c2f70a5dd61fe8a76671000000006a47304402207ec1b8c5fa4f3a2a61b8dd0babba6ed5086e7aa5bd0205242a8fcdcd27eb73d6022019101392cdd06035cdc21056da6eb86cd00d9a4570a4b5133526ad820dac2ef7012103bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876000000000288130000000000001976a9147670842c031bb618507599277f79ca1baa22561c88aca7120000000000001976a91423168996f486ac72cf054812286f5a692bd095ea88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001019f1b71a03b934366c4a228d67e1a8e40d552bd10bf1f0df6c3955f4c0eb33e000000006a473044022009440bfa469555f74dbacd9f14758da06518c80221ea7ec0414c107652afed8102203301bde00f4d660014b7e1cafe13e6b999e76cd20d8d342e4fb4eacabcefa08b01210344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569000000000288130000000000001976a914ea5f0f808c333563a34ea3bf6b8f1558adff79b688aca7120000000000001976a914894339dd450a2284d4236c8b392843eaf26f3d6f88ac00000000</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$$anon$3@6fb6bb3[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@633eb04e[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569)</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(8ad9823f12d3136e2ef7d8117895de6a942abbf8)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(5cf397e1a86ab149eabc87717d6495041b577986)</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(8ad9823f12d3136e2ef7d8117895de6a942abbf8))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(5cf397e1a86ab149eabc87717d6495041b577986))</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(7670842c031bb618507599277f79ca1baa22561c)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6)</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(7670842c031bb618507599277f79ca1baa22561c)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6)))</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(8ad9823f12d3136e2ef7d8117895de6a942abbf8))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5cf397e1a86ab149eabc87717d6495041b577986))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0)</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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7670842c031bb618507599277f79ca1baa22561c))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),10000 sats,ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),10000 sats,ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569))</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(23168996f486ac72cf054812286f5a692bd095ea)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(894339dd450a2284d4236c8b392843eaf26f3d6f)</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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),10000 sats,ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876))),1 sats/byte,pkh(23168996f486ac72cf054812286f5a692bd095ea))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),10000 sats,ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569))),1 sats/byte,pkh(894339dd450a2284d4236c8b392843eaf26f3d6f))</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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7670842c031bb618507599277f79ca1baa22561c)), TransactionOutput(4775 sats,pkh(23168996f486ac72cf054812286f5a692bd095ea))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6)), TransactionOutput(4775 sats,pkh(894339dd450a2284d4236c8b392843eaf26f3d6f))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),10000 sats,ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ad9823f12d3136e2ef7d8117895de6a942abbf8))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),10000 sats,ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5cf397e1a86ab149eabc87717d6495041b577986))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),10000 sats,ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8ad9823f12d3136e2ef7d8117895de6a942abbf8))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),10000 sats,ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5cf397e1a86ab149eabc87717d6495041b577986))),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(7166a7e81fd65d0af7c297ea314e1497c7f83a381a9f2da90c485d3a25bafb4b:0),P2PKHScriptSignature(ECPublicKey(03bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876), ECDigitalSignature(304402207ec1b8c5fa4f3a2a61b8dd0babba6ed5086e7aa5bd0205242a8fcdcd27eb73d6022019101392cdd06035cdc21056da6eb86cd00d9a4570a4b5133526ad820dac2ef701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(7670842c031bb618507599277f79ca1baa22561c)), TransactionOutput(4775 sats,pkh(23168996f486ac72cf054812286f5a692bd095ea))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3eb30e4c5f95c3f60d1fbf10bd52d5408e1a7ed628a2c46643933ba0711b9f01:0),P2PKHScriptSignature(ECPublicKey(0344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569), ECDigitalSignature(3044022009440bfa469555f74dbacd9f14758da06518c80221ea7ec0414c107652afed8102203301bde00f4d660014b7e1cafe13e6b999e76cd20d8d342e4fb4eacabcefa08b01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(ea5f0f808c333563a34ea3bf6b8f1558adff79b6)), TransactionOutput(4775 sats,pkh(894339dd450a2284d4236c8b392843eaf26f3d6f))),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 = 02000000014bfbba253a5d480ca92d9f1a383af8c797144e31ea97c2f70a5dd61fe8a76671000000006a47304402207ec1b8c5fa4f3a2a61b8dd0babba6ed5086e7aa5bd0205242a8fcdcd27eb73d6022019101392cdd06035cdc21056da6eb86cd00d9a4570a4b5133526ad820dac2ef7012103bdbbffdcf39fb2f9c00d6e681c1de7084325f8f74cd7dfa8a9c2af5ff77d2876000000000288130000000000001976a9147670842c031bb618507599277f79ca1baa22561c88aca7120000000000001976a91423168996f486ac72cf054812286f5a692bd095ea88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001019f1b71a03b934366c4a228d67e1a8e40d552bd10bf1f0df6c3955f4c0eb33e000000006a473044022009440bfa469555f74dbacd9f14758da06518c80221ea7ec0414c107652afed8102203301bde00f4d660014b7e1cafe13e6b999e76cd20d8d342e4fb4eacabcefa08b01210344e199f5ca01ac79b4019d54e77e81f3fd8ef049a606f0d5769c436d1d0ef569000000000288130000000000001976a914ea5f0f808c333563a34ea3bf6b8f1558adff79b688aca7120000000000001976a914894339dd450a2284d4236c8b392843eaf26f3d6f88ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/psbts"><span class="arrow-prev">← </span><span>Partially Signed Bitcoin Transactions</span></a><a class="docs-next button" href="/docs/next/core/lightning-network"><span>Lightning Network Data Types</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

4
docs/next/crypto/sign.html
View file

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402206580f970f1464c0aef4d756b3b1b126f10bf7bdb351c2b5a7a2dbdd9571ab74b022049678bc0f61d2ee52113c808736f554a53ee96b2079a4615fda73b7ca59991ed)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100de0d39331a06651be1762fb4c5a44e40e375c12c77aa4acbb6d2284fade7c51d022014b46c45736e48991934f76f2a2785208ec70a339b1dba78f12549a42502c71d)</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(3045022100c84c30e71e8cccc5dbbca676cc852178464c563ffdfd62b9977cc264c0ec1cbb022068018da19f514bd3b470c19709b87ebd15fbdc58c473fd0ff8b8de64a60c183b)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30440220110569938d3acd1dd9ff3ec95beb977eb6c8069a393c7ade52107e4fb38fc8220220435b26a0f73c2a838c76cb16afe25d70d77037c8fbf714fc221752ed5609f53f)</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(304402206580f970f1464c0aef4d756b3b1b126f10bf7bdb351c2b5a7a2dbdd9571ab74b022049678bc0f61d2ee52113c808736f554a53ee96b2079a4615fda73b7ca59991ed)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100de0d39331a06651be1762fb4c5a44e40e375c12c77aa4acbb6d2284fade7c51d022014b46c45736e48991934f76f2a2785208ec70a339b1dba78f12549a42502c71d)</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(3045022100c84c30e71e8cccc5dbbca676cc852178464c563ffdfd62b9977cc264c0ec1cbb022068018da19f514bd3b470c19709b87ebd15fbdc58c473fd0ff8b8de64a60c183b)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30440220110569938d3acd1dd9ff3ec95beb977eb6c8069a393c7ade52107e4fb38fc8220220435b26a0f73c2a838c76cb16afe25d70d77037c8fbf714fc221752ed5609f53f)</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+233-c4650e39-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+234-2b94b330-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+233-c4650e39-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+234-2b94b330-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, 0x747ef3d141347d9f85fab65417f7820db8f10fb582000efaed6ebb736232eb80)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x5be39e4ceca9cdba021e1413a6b690ea193a75ceebb3dcd36b7838315be0d050)</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(inner, wasp, violin, list, elephant, sound, blood, fine, favorite, sausage, they, bread, monitor, march, stock, divorce, auction, student, forum, ivory, curtain, bonus, puppy, also)</span>
<span class="hljs-comment">// Vector(fossil, brother, nasty, sun, orphan, tackle, anchor, secret, beauty, cup, picnic, stage, neck, depend, desert, island, system, opera, task, idea, between, vacant, donor, affair)</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-example3348340111855684301/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example6253463724731239022/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-example3348340111855684301/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6253463724731239022/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@250958e3)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@329845)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYBjUf3X895yiRUtvnHSRAT6fBzoGFTt5wpaszh41ajfNTEgMXwDnPNzPnpQPQ65oa7jigs1kuYLpUsRbDN3dUwRxzwEoWfc</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZk7tk27ncyDwAKrHFnfrQsutWgxLQKwt1vxDbTdaSHgXQyNmdKKLBw5vLXEna5FiWMWmDMnDfgDBHUgNJUdxkF43NbDqi36</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYBjUf3X895yiRUtvnHSRAT6fBzoGFTt5wpaszh41ajfNTEgMXwDnPNzPnpQPQ65oa7jigs1kuYLpUsRbDN3dUwRxzwEoWfc</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZk7tk27ncyDwAKrHFnfrQsutWgxLQKwt1vxDbTdaSHgXQyNmdKKLBw5vLXEna5FiWMWmDMnDfgDBHUgNJUdxkF43NbDqi36</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-example3348340111855684301/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6253463724731239022/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@394ab467</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@3353276f</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwNVwzUfcySMj7MUiYmQQpuBYKaNomVPcADqo1KiG4zHvY4WhXZqU1wTcnindEjW17GByZefp6V5DxEDHZ1KaZqgYZHf3jnH</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxvtN5TGHTKbwrCS52Gdr5KzmeGXsvMTQELD8c6HpvYK5VoD7cww1pVZ9LRd2Qifv3Vy269SGrcwakqU4e7uuq9JcvzcLMrD</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZwNVwzUfcySMj7MUiYmQQpuBYKaNomVPcADqo1KiG4zHvY4WhXZqU1wTcnindEjW17GByZefp6V5DxEDHZ1KaZqgYZHf3jnH</span>
<span class="hljs-comment">// zpub6jftahH18ngZxvtN5TGHTKbwrCS52Gdr5KzmeGXsvMTQELD8c6HpvYK5VoD7cww1pVZ9LRd2Qifv3Vy269SGrcwakqU4e7uuq9JcvzcLMrD</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, 0x747ef3d141347d9f85fab65417f7820db8f10fb582000efaed6ebb736232eb80)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x5be39e4ceca9cdba021e1413a6b690ea193a75ceebb3dcd36b7838315be0d050)</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(inner, wasp, violin, list, elephant, sound, blood, fine, favorite, sausage, they, bread, monitor, march, stock, divorce, auction, student, forum, ivory, curtain, bonus, puppy, also)</span>
<span class="hljs-comment">// Vector(fossil, brother, nasty, sun, orphan, tackle, anchor, secret, beauty, cup, picnic, stage, neck, depend, desert, island, system, opera, task, idea, between, vacant, donor, affair)</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-example3348340111855684301/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example6253463724731239022/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-example3348340111855684301/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6253463724731239022/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@250958e3)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@329845)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYBjUf3X895yiRUtvnHSRAT6fBzoGFTt5wpaszh41ajfNTEgMXwDnPNzPnpQPQ65oa7jigs1kuYLpUsRbDN3dUwRxzwEoWfc</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZk7tk27ncyDwAKrHFnfrQsutWgxLQKwt1vxDbTdaSHgXQyNmdKKLBw5vLXEna5FiWMWmDMnDfgDBHUgNJUdxkF43NbDqi36</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeYBjUf3X895yiRUtvnHSRAT6fBzoGFTt5wpaszh41ajfNTEgMXwDnPNzPnpQPQ65oa7jigs1kuYLpUsRbDN3dUwRxzwEoWfc</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZk7tk27ncyDwAKrHFnfrQsutWgxLQKwt1vxDbTdaSHgXQyNmdKKLBw5vLXEna5FiWMWmDMnDfgDBHUgNJUdxkF43NbDqi36</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-example3348340111855684301/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6253463724731239022/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@394ab467</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@3353276f</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwNVwzUfcySMj7MUiYmQQpuBYKaNomVPcADqo1KiG4zHvY4WhXZqU1wTcnindEjW17GByZefp6V5DxEDHZ1KaZqgYZHf3jnH</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxvtN5TGHTKbwrCS52Gdr5KzmeGXsvMTQELD8c6HpvYK5VoD7cww1pVZ9LRd2Qifv3Vy269SGrcwakqU4e7uuq9JcvzcLMrD</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZwNVwzUfcySMj7MUiYmQQpuBYKaNomVPcADqo1KiG4zHvY4WhXZqU1wTcnindEjW17GByZefp6V5DxEDHZ1KaZqgYZHf3jnH</span>
<span class="hljs-comment">// zpub6jftahH18ngZxvtN5TGHTKbwrCS52Gdr5KzmeGXsvMTQELD8c6HpvYK5VoD7cww1pVZ9LRd2Qifv3Vy269SGrcwakqU4e7uuq9JcvzcLMrD</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(03011a4c14113e8c8ddf3e9d901e4d3c44da267eec373e55ee79584138f33795f3)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02f600cddda45e2abee155f4197136ae05d6620f35b9ba5c285489ebc4a5818605)</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(3044022040dc02f3586debbfd2ff9affc58fdc56d99fe8940d0d0e5dd0df798e1961f67402200e2b774b782116172a26714c3e151146274bd14acb0b294406beeebe017e28ff)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30440220489cd32855be52e6efb1427248d3daf8b2fd58fec8bf182ba9c20c8343795c3d0220106d374a8216759ea2ecbc7393e21f5ebd1d10d32558b495cfba62694679aca6)</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(03011a4c14113e8c8ddf3e9d901e4d3c44da267eec373e55ee79584138f33795f3)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02f600cddda45e2abee155f4197136ae05d6620f35b9ba5c285489ebc4a5818605)</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(3044022040dc02f3586debbfd2ff9affc58fdc56d99fe8940d0d0e5dd0df798e1961f67402200e2b774b782116172a26714c3e151146274bd14acb0b294406beeebe017e28ff)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(30440220489cd32855be52e6efb1427248d3daf8b2fd58fec8bf182ba9c20c8343795c3d0220106d374a8216759ea2ecbc7393e21f5ebd1d10d32558b495cfba62694679aca6)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>