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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(025acb91c7ecf1a530d1a3e5a6fdf6539efbe1be8e59c4be8e965fead1569b4c00)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0398bb1b53428aad5bfd2de0c15393b0c4287d750e94ebb7c5f3f7aa8373e02abf)</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 = tb1qfz6fzv768xtn3a74dhpcevcz00f3hujjppgjrd</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qnht35y2wzscf3awjuu2jm702l3xxefdp6lwh42</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qfz6fzv768xtn3a74dhpcevcz00f3hujjppgjrd</span>
<span class="hljs-comment">// tb1qnht35y2wzscf3awjuu2jm702l3xxefdp6lwh42</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 = mn9PFtqp6XRA98sEzMNbssWzW68wUzMyDA</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = muuY4i338xZUfyKkocbpTku5pNRmWtm3FA</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mn9PFtqp6XRA98sEzMNbssWzW68wUzMyDA</span>
<span class="hljs-comment">// muuY4i338xZUfyKkocbpTku5pNRmWtm3FA</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) {

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(025acb91c7ecf1a530d1a3e5a6fdf6539efbe1be8e59c4be8e965fead1569b4c00)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0398bb1b53428aad5bfd2de0c15393b0c4287d750e94ebb7c5f3f7aa8373e02abf)</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 = tb1qfz6fzv768xtn3a74dhpcevcz00f3hujjppgjrd</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qnht35y2wzscf3awjuu2jm702l3xxefdp6lwh42</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qfz6fzv768xtn3a74dhpcevcz00f3hujjppgjrd</span>
<span class="hljs-comment">// tb1qnht35y2wzscf3awjuu2jm702l3xxefdp6lwh42</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 = mn9PFtqp6XRA98sEzMNbssWzW68wUzMyDA</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = muuY4i338xZUfyKkocbpTku5pNRmWtm3FA</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mn9PFtqp6XRA98sEzMNbssWzW68wUzMyDA</span>
<span class="hljs-comment">// muuY4i338xZUfyKkocbpTku5pNRmWtm3FA</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) {

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, 0xd175da802f62ec61515030c11236b0bfd1b575094665040392a4067ac7b64e79)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xa3da19015e73937caf89d0921a24be3de1c057d26074a63660b5ef8a9d1680e7)</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(sphere, put, parade, gain, conduct, cost, earn, alcohol, scissors, museum, promote, leisure, brave, ritual, celery, smile, advice, broken, poverty, artefact, property, swamp, delay, couple) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(phrase, speak, doctor, rude, decrease, salad, sail, deliver, must, spell, convince, knock, bright, cloud, end, attend, plate, reason, coin, tenant, prefer, mercy, adjust, youth) // 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 = zpub6jftahH18ngZx8LWW3udj3DpDupmzNDgGHuoHYTSaC7wHmGRSiqUNCqhScbXMWjQiqo4URd5r1gopnSkt27VgduLVfQ9SQqUA3BCRLGhfXu</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxDAspQ86uffGYe1GaG67YHckgCAVC8D48oywsACjpFXC4THNNi1vZDPNgB173uxKrMT1dzieVRW1KFoCjxnwW3jqiBkjEYW</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 = zpub6rnPs8DXZ4E9ZFU1EcTJgYdngLxh4YSnkM6fGdEtWVbJRE1Rs1iw816VWtMDP7okskZvRRnqUm4Tm8Cq9PYzqZWTkgVyTWjnGow8fbD39FD</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6s7sVHTHph28XibpZ2zc333M9gHvqJDc1ySKwZPj5zjzGck4wW1nLZTtnGU7ZwjdBPBF9t2MMPXQTJTXT7Z6bkXXkE7g9YkuzyEEGuNs5Wa</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 = tb1qtkkaf2ldfh59e9t3gf8wv9n0dg22jx5fv8p7py</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qf578uvpvkwe5zfvgefdm4uwhsm40d0rk6cdxjl</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 = tb1qtkkaf2ldfh59e9t3gf8wv9n0dg22jx5fv8p7py</span>
<span class="hljs-comment">// res2: String = tb1qf578uvpvkwe5zfvgefdm4uwhsm40d0rk6cdxjl</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>

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, 0xd175da802f62ec61515030c11236b0bfd1b575094665040392a4067ac7b64e79)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xa3da19015e73937caf89d0921a24be3de1c057d26074a63660b5ef8a9d1680e7)</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(sphere, put, parade, gain, conduct, cost, earn, alcohol, scissors, museum, promote, leisure, brave, ritual, celery, smile, advice, broken, poverty, artefact, property, swamp, delay, couple) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(phrase, speak, doctor, rude, decrease, salad, sail, deliver, must, spell, convince, knock, bright, cloud, end, attend, plate, reason, coin, tenant, prefer, mercy, adjust, youth) // 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 = zpub6jftahH18ngZx8LWW3udj3DpDupmzNDgGHuoHYTSaC7wHmGRSiqUNCqhScbXMWjQiqo4URd5r1gopnSkt27VgduLVfQ9SQqUA3BCRLGhfXu</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxDAspQ86uffGYe1GaG67YHckgCAVC8D48oywsACjpFXC4THNNi1vZDPNgB173uxKrMT1dzieVRW1KFoCjxnwW3jqiBkjEYW</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 = zpub6rnPs8DXZ4E9ZFU1EcTJgYdngLxh4YSnkM6fGdEtWVbJRE1Rs1iw816VWtMDP7okskZvRRnqUm4Tm8Cq9PYzqZWTkgVyTWjnGow8fbD39FD</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6s7sVHTHph28XibpZ2zc333M9gHvqJDc1ySKwZPj5zjzGck4wW1nLZTtnGU7ZwjdBPBF9t2MMPXQTJTXT7Z6bkXXkE7g9YkuzyEEGuNs5Wa</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 = tb1qtkkaf2ldfh59e9t3gf8wv9n0dg22jx5fv8p7py</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qf578uvpvkwe5zfvgefdm4uwhsm40d0rk6cdxjl</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 = tb1qtkkaf2ldfh59e9t3gf8wv9n0dg22jx5fv8p7py</span>
<span class="hljs-comment">// res2: String = tb1qf578uvpvkwe5zfvgefdm4uwhsm40d0rk6cdxjl</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>

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$$anon$3@6a16e73b[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@6572b963[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(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f)</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(783f42380c222643924d0ea83b1de85bc32e12c7)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(4b317c6e08caece284086cba592d2f5181f5cfc5)</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(783f42380c222643924d0ea83b1de85bc32e12c7))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(4b317c6e08caece284086cba592d2f5181f5cfc5))</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(36f24e0c097994f0a2257e4258976439b7e5e371)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae)</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(36f24e0c097994f0a2257e4258976439b7e5e371)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae)))</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(783f42380c222643924d0ea83b1de85bc32e12c7))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4b317c6e08caece284086cba592d2f5181f5cfc5))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0)</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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36f24e0c097994f0a2257e4258976439b7e5e371))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),10000 sats,ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),10000 sats,ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f))</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(f64e23855bb0787017a6333903777c615d848bd6)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(90f9c226f13e371b163bfcc88bf4c95aee3a83ea)</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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),10000 sats,ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4))),1 sats/byte,pkh(f64e23855bb0787017a6333903777c615d848bd6))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),10000 sats,ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f))),1 sats/byte,pkh(90f9c226f13e371b163bfcc88bf4c95aee3a83ea))</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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36f24e0c097994f0a2257e4258976439b7e5e371)), TransactionOutput(4775 sats,pkh(f64e23855bb0787017a6333903777c615d848bd6))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae)), TransactionOutput(4775 sats,pkh(90f9c226f13e371b163bfcc88bf4c95aee3a83ea))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),10000 sats,ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(783f42380c222643924d0ea83b1de85bc32e12c7))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),10000 sats,ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4b317c6e08caece284086cba592d2f5181f5cfc5))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),10000 sats,ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(783f42380c222643924d0ea83b1de85bc32e12c7))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),10000 sats,ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4b317c6e08caece284086cba592d2f5181f5cfc5))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),P2PKHScriptSignature(ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4), ECDigitalSignature(30440220138bfd0ef1e4e6ead8605a1a7d3aa89de3b18dc6b1c178d05dd033b36d8747af02207883329f56e1e7585bcbb031206379a1e06aa45bdbe02e45345da83139d3a78701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36f24e0c097994f0a2257e4258976439b7e5e371)), TransactionOutput(4775 sats,pkh(f64e23855bb0787017a6333903777c615d848bd6))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),P2PKHScriptSignature(ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f), ECDigitalSignature(304402205f42f84368bc1970b996b8433dadffc48b791d58c670aeb41fd7af799574f930022060273623b618527c7400aa1f8210ee6fffe7ec92c082d675f69f1ea5f0e57ce301)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae)), TransactionOutput(4775 sats,pkh(90f9c226f13e371b163bfcc88bf4c95aee3a83ea))),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 = 02000000015adb06f3b36d1c78517bd9bb05ac47d7488c5292d83c0fdfed313268edc77000000000006a4730440220138bfd0ef1e4e6ead8605a1a7d3aa89de3b18dc6b1c178d05dd033b36d8747af02207883329f56e1e7585bcbb031206379a1e06aa45bdbe02e45345da83139d3a7870121035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4000000000288130000000000001976a91436f24e0c097994f0a2257e4258976439b7e5e37188aca7120000000000001976a914f64e23855bb0787017a6333903777c615d848bd688ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001386d1d80cc4faaf4ff4b82d2897ce8f43c55354866f11bdffae6dba5a3421a26000000006a47304402205f42f84368bc1970b996b8433dadffc48b791d58c670aeb41fd7af799574f930022060273623b618527c7400aa1f8210ee6fffe7ec92c082d675f69f1ea5f0e57ce3012102eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f000000000288130000000000001976a914fa4615c71d16d6c1952137d0637eb9700cf841ae88aca7120000000000001976a91490f9c226f13e371b163bfcc88bf4c95aee3a83ea88ac00000000</span>
</code></pre>
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@ -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$$anon$3@6a16e73b[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 37, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@6572b963[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(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f)</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(783f42380c222643924d0ea83b1de85bc32e12c7)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(4b317c6e08caece284086cba592d2f5181f5cfc5)</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(783f42380c222643924d0ea83b1de85bc32e12c7))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(4b317c6e08caece284086cba592d2f5181f5cfc5))</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(36f24e0c097994f0a2257e4258976439b7e5e371)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae)</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(36f24e0c097994f0a2257e4258976439b7e5e371)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae)))</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(783f42380c222643924d0ea83b1de85bc32e12c7))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4b317c6e08caece284086cba592d2f5181f5cfc5))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0)</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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36f24e0c097994f0a2257e4258976439b7e5e371))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),10000 sats,ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),10000 sats,ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f))</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(f64e23855bb0787017a6333903777c615d848bd6)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(90f9c226f13e371b163bfcc88bf4c95aee3a83ea)</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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),10000 sats,ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4))),1 sats/byte,pkh(f64e23855bb0787017a6333903777c615d848bd6))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),10000 sats,ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f))),1 sats/byte,pkh(90f9c226f13e371b163bfcc88bf4c95aee3a83ea))</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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36f24e0c097994f0a2257e4258976439b7e5e371)), TransactionOutput(4775 sats,pkh(f64e23855bb0787017a6333903777c615d848bd6))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae)), TransactionOutput(4775 sats,pkh(90f9c226f13e371b163bfcc88bf4c95aee3a83ea))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),10000 sats,ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(783f42380c222643924d0ea83b1de85bc32e12c7))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),10000 sats,ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4b317c6e08caece284086cba592d2f5181f5cfc5))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),10000 sats,ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(783f42380c222643924d0ea83b1de85bc32e12c7))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),10000 sats,ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(4b317c6e08caece284086cba592d2f5181f5cfc5))),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(0070c7ed683231eddf0f3cd892528c48d747ac05bbd97b51781c6db3f306db5a:0),P2PKHScriptSignature(ECPublicKey(035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4), ECDigitalSignature(30440220138bfd0ef1e4e6ead8605a1a7d3aa89de3b18dc6b1c178d05dd033b36d8747af02207883329f56e1e7585bcbb031206379a1e06aa45bdbe02e45345da83139d3a78701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(36f24e0c097994f0a2257e4258976439b7e5e371)), TransactionOutput(4775 sats,pkh(f64e23855bb0787017a6333903777c615d848bd6))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(261a42a3a5dbe6fadf1bf1664835553cf4e87c89d2824bfff4aa4fcc801d6d38:0),P2PKHScriptSignature(ECPublicKey(02eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f), ECDigitalSignature(304402205f42f84368bc1970b996b8433dadffc48b791d58c670aeb41fd7af799574f930022060273623b618527c7400aa1f8210ee6fffe7ec92c082d675f69f1ea5f0e57ce301)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(fa4615c71d16d6c1952137d0637eb9700cf841ae)), TransactionOutput(4775 sats,pkh(90f9c226f13e371b163bfcc88bf4c95aee3a83ea))),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 = 02000000015adb06f3b36d1c78517bd9bb05ac47d7488c5292d83c0fdfed313268edc77000000000006a4730440220138bfd0ef1e4e6ead8605a1a7d3aa89de3b18dc6b1c178d05dd033b36d8747af02207883329f56e1e7585bcbb031206379a1e06aa45bdbe02e45345da83139d3a7870121035202285fdab29d57c6929b3bc05f40f67e840ddb0b947ab23175bc1a0b584ec4000000000288130000000000001976a91436f24e0c097994f0a2257e4258976439b7e5e37188aca7120000000000001976a914f64e23855bb0787017a6333903777c615d848bd688ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001386d1d80cc4faaf4ff4b82d2897ce8f43c55354866f11bdffae6dba5a3421a26000000006a47304402205f42f84368bc1970b996b8433dadffc48b791d58c670aeb41fd7af799574f930022060273623b618527c7400aa1f8210ee6fffe7ec92c082d675f69f1ea5f0e57ce3012102eb14234f27687d06fbe25c4e3f5dc700e3ea9b226ecff576db16cdcf945f225f000000000288130000000000001976a914fa4615c71d16d6c1952137d0637eb9700cf841ae88aca7120000000000001976a91490f9c226f13e371b163bfcc88bf4c95aee3a83ea88ac00000000</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) {

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(3045022100b194991e95c61ad66b456101c14db2a3bba4b0b13c63c165ea1a849cd47271c20220256a686d114d4d43f1bff8f5e6d0bb90acaf23a8de9a8f4ce7a911f572b9c6fb)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100f145ec998bfa3a0c8e5e4eb26e16ab0b3ecad96e22632c6c93a5cdc40bd75803022049d5b5644a2ecdde1096f012b16d90f506806f90f199d938bdcd2f0f5e9d2dce)</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(3044022006e62daef605e40feb35b09b529aa4bdeb7a925cc1e889617951359994a93de902203c4f6f52a9b03a67428342316a8814b7025f10a56306371b0471da66247f7331)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100b5d3677fcc7850c36600776ca26d2e3a627294b36eadd2322b0b28c73fb3bdf002201ae4fa3ffce88ec0f0defa9305e36c17ed0d0419355047f5e3053155a52b0b01)</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>

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(3045022100b194991e95c61ad66b456101c14db2a3bba4b0b13c63c165ea1a849cd47271c20220256a686d114d4d43f1bff8f5e6d0bb90acaf23a8de9a8f4ce7a911f572b9c6fb)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100f145ec998bfa3a0c8e5e4eb26e16ab0b3ecad96e22632c6c93a5cdc40bd75803022049d5b5644a2ecdde1096f012b16d90f506806f90f199d938bdcd2f0f5e9d2dce)</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(3044022006e62daef605e40feb35b09b529aa4bdeb7a925cc1e889617951359994a93de902203c4f6f52a9b03a67428342316a8814b7025f10a56306371b0471da66247f7331)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100b5d3677fcc7850c36600776ca26d2e3a627294b36eadd2322b0b28c73fb3bdf002201ae4fa3ffce88ec0f0defa9305e36c17ed0d0419355047f5e3053155a52b0b01)</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>

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+268-7cce23ab-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+269-cba90e5c-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>)

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+268-7cce23ab-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+269-cba90e5c-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>)

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, 0x0bebd868eb6bf8ecb62439362c2723dff0385612aacdb840de7ad499f14e8d52)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x9db4312238d80d9ac28a096ff8266c9cd34bab52b9f15454f014c539ca79b22e)</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(armor, gain, boss, strategy, sauce, iron, sudden, mango, curtain, gentle, similar, say, adjust, climb, enjoy, fluid, reunion, alone, pact, powder, pair, point, crystal, dog)</span>
<span class="hljs-comment">// Vector(oval, pave, embrace, immune, liar, sniff, any, donkey, husband, scorpion, open, defy, cruise, stick, enough, dilemma, february, pole, ahead, media, original, devote, silly, stamp)</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-example6749501377652755805/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example1329571714425814158/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-example6749501377652755805/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1329571714425814158/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@5f913882)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@2db0d9a0)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZg6QhXya2qdoxoYuo21jA4TREGMfScHXiGug6KuXySvB1zDQgBZNBNQSmpYSC9J74VhoNTPQoyzYmCjVJNbKwVmLSjMHzMY</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaDHiV4WRMJwbn7G8WTUmVccBRAwewyFGqRAnNmqLJJtBMHdsZiX33RHEM62pQGgdt2dSHu7cQ4RqrZCpxcPuwJ3goD8aioe</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZg6QhXya2qdoxoYuo21jA4TREGMfScHXiGug6KuXySvB1zDQgBZNBNQSmpYSC9J74VhoNTPQoyzYmCjVJNbKwVmLSjMHzMY</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeaDHiV4WRMJwbn7G8WTUmVccBRAwewyFGqRAnNmqLJJtBMHdsZiX33RHEM62pQGgdt2dSHu7cQ4RqrZCpxcPuwJ3goD8aioe</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-example6749501377652755805/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1329571714425814158/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@747c4994</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@4a60dddf</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxrrt2y84sC1peg8hZVyipWYJMqwCxdo3vgAb6xZnThYj6p3kfpB3ovsfmivg2niJbeA4FF3TzvixEZXBe1sH2Q1v12jgox7</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyQ4BpVevBfKcTyqvGwSmA4h4YkXCTzko3pRhPQVanZWjS7UDZM8ifykTLzR4Ev6qRB5hAgmfb1AFKuzXJFfs2CJGMT5wtN3</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxrrt2y84sC1peg8hZVyipWYJMqwCxdo3vgAb6xZnThYj6p3kfpB3ovsfmivg2niJbeA4FF3TzvixEZXBe1sH2Q1v12jgox7</span>
<span class="hljs-comment">// zpub6jftahH18ngZyQ4BpVevBfKcTyqvGwSmA4h4YkXCTzko3pRhPQVanZWjS7UDZM8ifykTLzR4Ev6qRB5hAgmfb1AFKuzXJFfs2CJGMT5wtN3</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

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, 0x0bebd868eb6bf8ecb62439362c2723dff0385612aacdb840de7ad499f14e8d52)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x9db4312238d80d9ac28a096ff8266c9cd34bab52b9f15454f014c539ca79b22e)</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(armor, gain, boss, strategy, sauce, iron, sudden, mango, curtain, gentle, similar, say, adjust, climb, enjoy, fluid, reunion, alone, pact, powder, pair, point, crystal, dog)</span>
<span class="hljs-comment">// Vector(oval, pave, embrace, immune, liar, sniff, any, donkey, husband, scorpion, open, defy, cruise, stick, enough, dilemma, february, pole, ahead, media, original, devote, silly, stamp)</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-example6749501377652755805/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example1329571714425814158/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-example6749501377652755805/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1329571714425814158/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@5f913882)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@2db0d9a0)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZg6QhXya2qdoxoYuo21jA4TREGMfScHXiGug6KuXySvB1zDQgBZNBNQSmpYSC9J74VhoNTPQoyzYmCjVJNbKwVmLSjMHzMY</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaDHiV4WRMJwbn7G8WTUmVccBRAwewyFGqRAnNmqLJJtBMHdsZiX33RHEM62pQGgdt2dSHu7cQ4RqrZCpxcPuwJ3goD8aioe</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZg6QhXya2qdoxoYuo21jA4TREGMfScHXiGug6KuXySvB1zDQgBZNBNQSmpYSC9J74VhoNTPQoyzYmCjVJNbKwVmLSjMHzMY</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeaDHiV4WRMJwbn7G8WTUmVccBRAwewyFGqRAnNmqLJJtBMHdsZiX33RHEM62pQGgdt2dSHu7cQ4RqrZCpxcPuwJ3goD8aioe</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-example6749501377652755805/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1329571714425814158/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@747c4994</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@4a60dddf</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxrrt2y84sC1peg8hZVyipWYJMqwCxdo3vgAb6xZnThYj6p3kfpB3ovsfmivg2niJbeA4FF3TzvixEZXBe1sH2Q1v12jgox7</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyQ4BpVevBfKcTyqvGwSmA4h4YkXCTzko3pRhPQVanZWjS7UDZM8ifykTLzR4Ev6qRB5hAgmfb1AFKuzXJFfs2CJGMT5wtN3</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxrrt2y84sC1peg8hZVyipWYJMqwCxdo3vgAb6xZnThYj6p3kfpB3ovsfmivg2niJbeA4FF3TzvixEZXBe1sH2Q1v12jgox7</span>
<span class="hljs-comment">// zpub6jftahH18ngZyQ4BpVevBfKcTyqvGwSmA4h4YkXCTzko3pRhPQVanZWjS7UDZM8ifykTLzR4Ev6qRB5hAgmfb1AFKuzXJFfs2CJGMT5wtN3</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

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(03e6982fe29d0382176b92f524d65ec5e614f1118bd31b6c483d3abaaa425e3bf8)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(020eaf619f66ce1ce1d98a1442674aecf628cba8d2e275b8f9f02515b30d33ab2c)</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(30450221008ffd094f16bd28d0ef22e960906a00f34f6cdeaaf47160c892c561da57f4045902200475ea70b33666a6f4e3dc846bc3e0cfe028a850f902c68c3e09604942dbcf09)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100a763d551662fb0937719dc84e14480816dcdefce8aa2b2201877bdf2fae6ad9c022013c2c3c66e0485da0d92991bdeaefe2606a5626ca475ad6c1d66033aff52b362)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>

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(03e6982fe29d0382176b92f524d65ec5e614f1118bd31b6c483d3abaaa425e3bf8)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(020eaf619f66ce1ce1d98a1442674aecf628cba8d2e275b8f9f02515b30d33ab2c)</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(30450221008ffd094f16bd28d0ef22e960906a00f34f6cdeaaf47160c892c561da57f4045902200475ea70b33666a6f4e3dc846bc3e0cfe028a850f902c68c3e09604942dbcf09)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100a763d551662fb0937719dc84e14480816dcdefce8aa2b2201877bdf2fae6ad9c022013c2c3c66e0485da0d92991bdeaefe2606a5626ca475ad6c1d66033aff52b362)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>