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api/index.js
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docs/next/core/addresses.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(039968e50ae8abf7b83823dc878cbcefa16dc737210181d154281b6e77649581d9)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(027cd05af6f408a5c0ea4e06d6a1d4a8a1c50100a159654341088bd8ca3ed53456)</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 = tb1qrwmpdh92023lx6uejzsy9vgxj4yv953jdpk56a</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q7r66az22ue8dw4p9pguqewe2sux2qph2dz0m6r</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qrwmpdh92023lx6uejzsy9vgxj4yv953jdpk56a</span>
<span class="hljs-comment">// tb1q7r66az22ue8dw4p9pguqewe2sux2qph2dz0m6r</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're reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don'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 = mi3Ug27xYrmuuoTPmqVRHqy5AHq7dtxwA5</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n3V2nMzoPRDhjN76oSpLfCm9HvkHKeMswb</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mi3Ug27xYrmuuoTPmqVRHqy5AHq7dtxwA5</span>
<span class="hljs-comment">// n3V2nMzoPRDhjN76oSpLfCm9HvkHKeMswb</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 © 2022 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) {

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docs/next/core/addresses/index.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(039968e50ae8abf7b83823dc878cbcefa16dc737210181d154281b6e77649581d9)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(027cd05af6f408a5c0ea4e06d6a1d4a8a1c50100a159654341088bd8ca3ed53456)</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 = tb1qrwmpdh92023lx6uejzsy9vgxj4yv953jdpk56a</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q7r66az22ue8dw4p9pguqewe2sux2qph2dz0m6r</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qrwmpdh92023lx6uejzsy9vgxj4yv953jdpk56a</span>
<span class="hljs-comment">// tb1q7r66az22ue8dw4p9pguqewe2sux2qph2dz0m6r</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're reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don'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 = mi3Ug27xYrmuuoTPmqVRHqy5AHq7dtxwA5</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n3V2nMzoPRDhjN76oSpLfCm9HvkHKeMswb</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mi3Ug27xYrmuuoTPmqVRHqy5AHq7dtxwA5</span>
<span class="hljs-comment">// n3V2nMzoPRDhjN76oSpLfCm9HvkHKeMswb</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 © 2022 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>
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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, 0xe4485d9ad60aba6567b9832a8a64114d08d546bcf4bcbdbae648118e8be9c8c9)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x5dc2f7493e2acf37407468494a6b17d9160eef73039a0b36e2e8a5b8f688792f)</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(tone, drill, grit, project, produce, crawl, page, corn, clever, farm, affair, old, minute, person, video, nurse, sad, strong, must, cart, trim, visual, case, convince) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(fruit, bless, spoil, labor, provide, option, achieve, minimum, enable, fashion, shine, rate, genius, jeans, slot, infant, arctic, require, riot, enter, month, during, tool, winter) // 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 = zpub6jftahH18ngZy2ngrtaZ2xbaSqNadXDBNRLf3qKYAPBwhtk82KTJ6gDsXZfJksC2hrPHdKcWZRiuoWGGvLxcfrL8cw4fhWic4oVkj9cXWKC</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZydxriHkcWd1Cke4y6BhfyVgs35f989w14xyKH8sCz1DgSzgmipHz9y7TDVVGMoB3v9uCRRThEfQjS78FovgD61DSjnzgdXN</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 = zpub6qao573BiAndjxp6vFzmWboDmpyw2aJ5q9MnUebsZoASvBWkrVaNUWhcQhtJNVZgZ7B6bMLUiEMprX8uR4gkiuhT1qjd1ekz22cTT5ce3UZ</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6reBE8SxVgTvMKXPEV4yHZccKk78K3gw6XVpWYzvW4SmEY4HhZYvraEEQGztXovpUhvEGSC7kknuQGMGRKmN54udmyVj8Gm5FXnpt8pYRmS</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 = tb1qzwslf70m92ax05qmxux2dye0c7rqshqg262ndg</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qwe3cky789lz46j2dg2pht6rq77z2dsdfu9s5p3</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 = tb1qzwslf70m92ax05qmxux2dye0c7rqshqg262ndg</span>
<span class="hljs-comment">// res2: String = tb1qwe3cky789lz46j2dg2pht6rq77z2dsdfu9s5p3</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>

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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, 0xe4485d9ad60aba6567b9832a8a64114d08d546bcf4bcbdbae648118e8be9c8c9)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x5dc2f7493e2acf37407468494a6b17d9160eef73039a0b36e2e8a5b8f688792f)</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(tone, drill, grit, project, produce, crawl, page, corn, clever, farm, affair, old, minute, person, video, nurse, sad, strong, must, cart, trim, visual, case, convince) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(fruit, bless, spoil, labor, provide, option, achieve, minimum, enable, fashion, shine, rate, genius, jeans, slot, infant, arctic, require, riot, enter, month, during, tool, winter) // 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 = zpub6jftahH18ngZy2ngrtaZ2xbaSqNadXDBNRLf3qKYAPBwhtk82KTJ6gDsXZfJksC2hrPHdKcWZRiuoWGGvLxcfrL8cw4fhWic4oVkj9cXWKC</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZydxriHkcWd1Cke4y6BhfyVgs35f989w14xyKH8sCz1DgSzgmipHz9y7TDVVGMoB3v9uCRRThEfQjS78FovgD61DSjnzgdXN</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 = zpub6qao573BiAndjxp6vFzmWboDmpyw2aJ5q9MnUebsZoASvBWkrVaNUWhcQhtJNVZgZ7B6bMLUiEMprX8uR4gkiuhT1qjd1ekz22cTT5ce3UZ</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6reBE8SxVgTvMKXPEV4yHZccKk78K3gw6XVpWYzvW4SmEY4HhZYvraEEQGztXovpUhvEGSC7kknuQGMGRKmN54udmyVj8Gm5FXnpt8pYRmS</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 = tb1qzwslf70m92ax05qmxux2dye0c7rqshqg262ndg</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qwe3cky789lz46j2dg2pht6rq77z2dsdfu9s5p3</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 = tb1qzwslf70m92ax05qmxux2dye0c7rqshqg262ndg</span>
<span class="hljs-comment">// res2: String = tb1qwe3cky789lz46j2dg2pht6rq77z2dsdfu9s5p3</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>

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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$$anon$3@7ca77fb3[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@77b0f8ff[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, 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(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad)</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(f9cb80e26d7f15d991cd4fe3a42a2249254924db)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(3a4396fbece045650393d30cbfee40c5013ccc01)</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(f9cb80e26d7f15d991cd4fe3a42a2249254924db))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(3a4396fbece045650393d30cbfee40c5013ccc01))</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(4424924234c21adb7e1c10b4416e4cd77bf28589)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a)</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(4424924234c21adb7e1c10b4416e4cd77bf28589)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a)))</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(f9cb80e26d7f15d991cd4fe3a42a2249254924db))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3a4396fbece045650393d30cbfee40c5013ccc01))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly "link" 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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0)</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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4424924234c21adb7e1c10b4416e4cd77bf28589))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a))),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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),10000 sats,ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),10000 sats,ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad))</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(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(a622b28b8e97b0d7ddaa552d37ff4de1e635e567)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(9356640d85f9baa561edd1905423b01c25e1a922)</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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),10000 sats,ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f))),1 sats/byte,pkh(a622b28b8e97b0d7ddaa552d37ff4de1e635e567))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),10000 sats,ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad))),1 sats/byte,pkh(9356640d85f9baa561edd1905423b01c25e1a922))</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> unsignedTx: <span class="hljs-type">Transaction</span> = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4424924234c21adb7e1c10b4416e4cd77bf28589)), TransactionOutput(4775 sats,pkh(a622b28b8e97b0d7ddaa552d37ff4de1e635e567))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a)), TransactionOutput(4775 sats,pkh(9356640d85f9baa561edd1905423b01c25e1a922))),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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),10000 sats,ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f9cb80e26d7f15d991cd4fe3a42a2249254924db))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),10000 sats,ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3a4396fbece045650393d30cbfee40c5013ccc01))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),10000 sats,ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f9cb80e26d7f15d991cd4fe3a42a2249254924db))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),10000 sats,ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3a4396fbece045650393d30cbfee40c5013ccc01))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f)), ECDigitalSignature(30440220344f886584ff40140dd366d06db869a19978f719fc97eec0746950f86352ae7f02202fbffa8f1ef46ba35bf68a23d67a05dcdfe8f2a875f1b75da360da85e3cb277e01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4424924234c21adb7e1c10b4416e4cd77bf28589)), TransactionOutput(4775 sats,pkh(a622b28b8e97b0d7ddaa552d37ff4de1e635e567))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad)), ECDigitalSignature(30440220535a2ea870076156e636d92374ea2464744ea2b73106aaadd4b9c61891a9fcf70220756e06339e752919c0cca28d9583fa6e0af03e3e7feb4b74f4341d3f218f963c01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a)), TransactionOutput(4775 sats,pkh(9356640d85f9baa561edd1905423b01c25e1a922))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -207,7 +207,7 @@ 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 = 0200000001b48e75f9ae913a3617c6300eeeb60b2bf737429955603c039e7b72a869b8f870000000006a4730440220344f886584ff40140dd366d06db869a19978f719fc97eec0746950f86352ae7f02202fbffa8f1ef46ba35bf68a23d67a05dcdfe8f2a875f1b75da360da85e3cb277e01210224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f000000000288130000000000001976a9144424924234c21adb7e1c10b4416e4cd77bf2858988aca7120000000000001976a914a622b28b8e97b0d7ddaa552d37ff4de1e635e56788ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000017401971cbb4c4d66df2e90e3bbea020b456c7ded00d837c63ac996c566f64c3d000000006a4730440220535a2ea870076156e636d92374ea2464744ea2b73106aaadd4b9c61891a9fcf70220756e06339e752919c0cca28d9583fa6e0af03e3e7feb4b74f4341d3f218f963c0121027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad000000000288130000000000001976a91433d33bb52a58004d8ac0499c149f1ce3336fd53a88aca7120000000000001976a9149356640d85f9baa561edd1905423b01c25e1a92288ac00000000</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$$anon$3@7ca77fb3[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@77b0f8ff[Running, parallelism = 2, size = 0, active = 0, running = 0, steals = 0, 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(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad)</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(f9cb80e26d7f15d991cd4fe3a42a2249254924db)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(3a4396fbece045650393d30cbfee40c5013ccc01)</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(f9cb80e26d7f15d991cd4fe3a42a2249254924db))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(3a4396fbece045650393d30cbfee40c5013ccc01))</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(4424924234c21adb7e1c10b4416e4cd77bf28589)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a)</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(4424924234c21adb7e1c10b4416e4cd77bf28589)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a)))</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(f9cb80e26d7f15d991cd4fe3a42a2249254924db))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3a4396fbece045650393d30cbfee40c5013ccc01))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly "link" 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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0)</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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4424924234c21adb7e1c10b4416e4cd77bf28589))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a))),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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),10000 sats,ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),10000 sats,ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad))</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(ECPrivateKey)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(a622b28b8e97b0d7ddaa552d37ff4de1e635e567)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(9356640d85f9baa561edd1905423b01c25e1a922)</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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),10000 sats,ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f))),1 sats/byte,pkh(a622b28b8e97b0d7ddaa552d37ff4de1e635e567))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),10000 sats,ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad))),1 sats/byte,pkh(9356640d85f9baa561edd1905423b01c25e1a922))</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> unsignedTx: <span class="hljs-type">Transaction</span> = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4424924234c21adb7e1c10b4416e4cd77bf28589)), TransactionOutput(4775 sats,pkh(a622b28b8e97b0d7ddaa552d37ff4de1e635e567))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a)), TransactionOutput(4775 sats,pkh(9356640d85f9baa561edd1905423b01c25e1a922))),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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),10000 sats,ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f9cb80e26d7f15d991cd4fe3a42a2249254924db))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),10000 sats,ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3a4396fbece045650393d30cbfee40c5013ccc01))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(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(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),10000 sats,ECPublicKey(0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f9cb80e26d7f15d991cd4fe3a42a2249254924db))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),10000 sats,ECPublicKey(027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(3a4396fbece045650393d30cbfee40c5013ccc01))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The 'sign' method is going produce a validly signed transaction</span>
@ -197,7 +197,7 @@ builder += input
utxoInfos = utxoInfos,
expectedFeeRate = feeRate
)
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(70f8b869a8727b9e033c6055994237f72b0bb6ee0e30c617363a91aef9758eb4:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x0224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f)), ECDigitalSignature(30440220344f886584ff40140dd366d06db869a19978f719fc97eec0746950f86352ae7f02202fbffa8f1ef46ba35bf68a23d67a05dcdfe8f2a875f1b75da360da85e3cb277e01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4424924234c21adb7e1c10b4416e4cd77bf28589)), TransactionOutput(4775 sats,pkh(a622b28b8e97b0d7ddaa552d37ff4de1e635e567))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(3d4cf666c596c93ac637d800ed7d6c450b02eabbe3902edf664d4cbb1c970174:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad)), ECDigitalSignature(30440220535a2ea870076156e636d92374ea2464744ea2b73106aaadd4b9c61891a9fcf70220756e06339e752919c0cca28d9583fa6e0af03e3e7feb4b74f4341d3f218f963c01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(33d33bb52a58004d8ac0499c149f1ce3336fd53a)), TransactionOutput(4775 sats,pkh(9356640d85f9baa561edd1905423b01c25e1a922))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -207,7 +207,7 @@ 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 = 0200000001b48e75f9ae913a3617c6300eeeb60b2bf737429955603c039e7b72a869b8f870000000006a4730440220344f886584ff40140dd366d06db869a19978f719fc97eec0746950f86352ae7f02202fbffa8f1ef46ba35bf68a23d67a05dcdfe8f2a875f1b75da360da85e3cb277e01210224603ab7a1f7cf8548b6190fef69ee01e368e28a5f42c0a2e68b9eeeb060244f000000000288130000000000001976a9144424924234c21adb7e1c10b4416e4cd77bf2858988aca7120000000000001976a914a622b28b8e97b0d7ddaa552d37ff4de1e635e56788ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000017401971cbb4c4d66df2e90e3bbea020b456c7ded00d837c63ac996c566f64c3d000000006a4730440220535a2ea870076156e636d92374ea2464744ea2b73106aaadd4b9c61891a9fcf70220756e06339e752919c0cca28d9583fa6e0af03e3e7feb4b74f4341d3f218f963c0121027009deb8d7f4c7c87ffcda82ff9966c6fcb2385f2e9cb868fd765e9aa50200ad000000000288130000000000001976a91433d33bb52a58004d8ac0499c149f1ce3336fd53a88aca7120000000000001976a9149356640d85f9baa561edd1905423b01c25e1a92288ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/dlc"><span class="arrow-prev">← </span><span>Discreet Log Contract Data Structures</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 © 2022 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(3044022052fe9d44fa251b1a42a75c35cc57934a9aed1134b9d1cd8ee928199c92c913a602201dde763c87736ea605a344f78c09c2bf9bb934abc1495360f7b1953a56fb6f43)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100ad57b0b9a3c8d03e3354b70ad9f5e136e62ecf6941cdd99a18792274d8d5904102203329b089724f29a2cca4cee3a5845af99f8b635f76ccd6632cd6eb0469fdb921)</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(304402207ac669bf77cb36a24c2ad1ee11d7f6947e61b2027b98863a121e6fd42f65c58502205014111ceaa7ce94bfe69379819a303238f752124af052bbe9b64da08a5aeff4)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402206c46160cad6b390e6488d59f57563b2e11359d302ed62e3ea9aa4a3f10150a2802207789daa6adbc0a34c24ef6c6523c96ab015d10bd47e5363b36c76d749c1aab45)</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(3044022052fe9d44fa251b1a42a75c35cc57934a9aed1134b9d1cd8ee928199c92c913a602201dde763c87736ea605a344f78c09c2bf9bb934abc1495360f7b1953a56fb6f43)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100ad57b0b9a3c8d03e3354b70ad9f5e136e62ecf6941cdd99a18792274d8d5904102203329b089724f29a2cca4cee3a5845af99f8b635f76ccd6632cd6eb0469fdb921)</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(304402207ac669bf77cb36a24c2ad1ee11d7f6947e61b2027b98863a121e6fd42f65c58502205014111ceaa7ce94bfe69379819a303238f752124af052bbe9b64da08a5aeff4)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304402206c46160cad6b390e6488d59f57563b2e11359d302ed62e3ea9aa4a3f10150a2802207789daa6adbc0a34c24ef6c6523c96ab015d10bd47e5363b36c76d749c1aab45)</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

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <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>1.9.2-143-a22e847e-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.2-144-46502496-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">"snapshots"</span>)

2
docs/next/getting-started/index.html
View file

@ -130,7 +130,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <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>1.9.2-143-a22e847e-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.2-144-46502496-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">"snapshots"</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, 0x03452a99c217475a47a4f51d372a03922f7155317bb6d76082872dfff6b01193)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa06a10f9decafa8e9d5338d87c906fc1da03c9fb83511af87c9cc3b1a60c80f1)</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(addict, citizen, please, loud, inner, pudding, burden, pact, brush, rich, liberty, cattle, warfare, pride, shine, item, student, advice, peace, fossil, youth, fix, edge, hole)</span>
<span class="hljs-comment">// Vector(parrot, explain, dinosaur, rural, quick, elder, inspire, grow, such, tonight, brief, lonely, parent, top, unlock, health, brain, sentence, cheese, manual, bounce, alien, adult, chalk)</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 'key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called "encrypted-bitcoin-s-seed.json"</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">"key-manager-example"</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-example8042320233329153891/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example6980931585485983642/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let'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-example8042320233329153891/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6980931585485983642/encrypted-bitcoin-s-seed.json,m/84',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">"password"</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@6544c425)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@11dcff54)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaA9BFfzRiwFP3UqYYR764YiotzngBuPXQcURdSW4HeCHpN7NXpJWB5aQfkTEpBspyFyG5CTrK6idibJ2GMSgDDbbZ1bkMNE</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaChk7XuCeVECSHNTBgHQowoMJ3W2o7wsCieFodmMpK2HVyEnQkCP8tozvTzgGjXRwYdQeWAgSwSWikAs2tjSArJwh2cqGXn</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeaA9BFfzRiwFP3UqYYR764YiotzngBuPXQcURdSW4HeCHpN7NXpJWB5aQfkTEpBspyFyG5CTrK6idibJ2GMSgDDbbZ1bkMNE</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeaChk7XuCeVECSHNTBgHQowoMJ3W2o7wsCieFodmMpK2HVyEnQkCP8tozvTzgGjXRwYdQeWAgSwSWikAs2tjSArJwh2cqGXn</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'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-example8042320233329153891/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6980931585485983642/encrypted-bitcoin-s-seed.json,m/84',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-literal">false</span>)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6ce8796d</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@30c6ae6</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyLueb78vZHdPjMRLJu55izoh2aNDhvu3d1jLe5AJmtpquBwiXSvBoe3dfeqUeqJ2WQRWwz7uW3T3Bx5ibzidJ7rB7LnbN74</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyPUDSy3hUqcD89xExAFQUPtERd5aK9TPR7uApGRcJZeqao58QNp4mTHDvNNv7NwdUh5fXHpjdtAvC6xZNY1PFkZXFLEntC1</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyLueb78vZHdPjMRLJu55izoh2aNDhvu3d1jLe5AJmtpquBwiXSvBoe3dfeqUeqJ2WQRWwz7uW3T3Bx5ibzidJ7rB7LnbN74</span>
<span class="hljs-comment">// zpub6jftahH18ngZyPUDSy3hUqcD89xExAFQUPtERd5aK9TPR7uApGRcJZeqao58QNp4mTHDvNNv7NwdUh5fXHpjdtAvC6xZNY1PFkZXFLEntC1</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, 0x03452a99c217475a47a4f51d372a03922f7155317bb6d76082872dfff6b01193)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xa06a10f9decafa8e9d5338d87c906fc1da03c9fb83511af87c9cc3b1a60c80f1)</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(addict, citizen, please, loud, inner, pudding, burden, pact, brush, rich, liberty, cattle, warfare, pride, shine, item, student, advice, peace, fossil, youth, fix, edge, hole)</span>
<span class="hljs-comment">// Vector(parrot, explain, dinosaur, rural, quick, elder, inspire, grow, such, tonight, brief, lonely, parent, top, unlock, health, brain, sentence, cheese, manual, bounce, alien, adult, chalk)</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 'key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called "encrypted-bitcoin-s-seed.json"</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">"key-manager-example"</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-example8042320233329153891/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example6980931585485983642/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let'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-example8042320233329153891/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6980931585485983642/encrypted-bitcoin-s-seed.json,m/84',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">"password"</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@6544c425)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@11dcff54)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaA9BFfzRiwFP3UqYYR764YiotzngBuPXQcURdSW4HeCHpN7NXpJWB5aQfkTEpBspyFyG5CTrK6idibJ2GMSgDDbbZ1bkMNE</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeaChk7XuCeVECSHNTBgHQowoMJ3W2o7wsCieFodmMpK2HVyEnQkCP8tozvTzgGjXRwYdQeWAgSwSWikAs2tjSArJwh2cqGXn</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeaA9BFfzRiwFP3UqYYR764YiotzngBuPXQcURdSW4HeCHpN7NXpJWB5aQfkTEpBspyFyG5CTrK6idibJ2GMSgDDbbZ1bkMNE</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeaChk7XuCeVECSHNTBgHQowoMJ3W2o7wsCieFodmMpK2HVyEnQkCP8tozvTzgGjXRwYdQeWAgSwSWikAs2tjSArJwh2cqGXn</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'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-example8042320233329153891/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6980931585485983642/encrypted-bitcoin-s-seed.json,m/84',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-literal">false</span>)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6ce8796d</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@30c6ae6</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyLueb78vZHdPjMRLJu55izoh2aNDhvu3d1jLe5AJmtpquBwiXSvBoe3dfeqUeqJ2WQRWwz7uW3T3Bx5ibzidJ7rB7LnbN74</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyPUDSy3hUqcD89xExAFQUPtERd5aK9TPR7uApGRcJZeqao58QNp4mTHDvNNv7NwdUh5fXHpjdtAvC6xZNY1PFkZXFLEntC1</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZyLueb78vZHdPjMRLJu55izoh2aNDhvu3d1jLe5AJmtpquBwiXSvBoe3dfeqUeqJ2WQRWwz7uW3T3Bx5ibzidJ7rB7LnbN74</span>
<span class="hljs-comment">// zpub6jftahH18ngZyPUDSy3hUqcD89xExAFQUPtERd5aK9TPR7uApGRcJZeqao58QNp4mTHDvNNv7NwdUh5fXHpjdtAvC6xZNY1PFkZXFLEntC1</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

4
docs/next/secp256k1/secp256k1.html
View file

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03c36d60d1a32dbfb4786b24fbd8b0c22528acfb083eea068bb14efd1411dac4c0)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02c29f627156708c890e48cbc5410569159dd0b127e13b55d869d94ad404abfda6)</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-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> signature = privKey.sign(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402201564df39f8798e9923cd14401610f1fec0fa25737ccc8195b1a58cb6b6055861022015e2825c8a0c048deb595756b6c5f8ea115ba2d5c34d1d94ce07de933fdc5e01)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402206ee91330f1269f3c81d5952475601d5305189ddec1c56fb3c674eee7c6b1c57e02201a9e02903f2114b2173340cfb211487c61bb81196ef494d1bd43947c2e48b5b4)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)

4
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View file

@ -115,13 +115,13 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKey)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKey
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03c36d60d1a32dbfb4786b24fbd8b0c22528acfb083eea068bb14efd1411dac4c0)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02c29f627156708c890e48cbc5410569159dd0b127e13b55d869d94ad404abfda6)</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-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> signature = privKey.sign(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402201564df39f8798e9923cd14401610f1fec0fa25737ccc8195b1a58cb6b6055861022015e2825c8a0c048deb595756b6c5f8ea115ba2d5c34d1d94ce07de933fdc5e01)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402206ee91330f1269f3c81d5952475601d5305189ddec1c56fb3c674eee7c6b1c57e02201a9e02903f2114b2173340cfb211487c61bb81196ef494d1bd43947c2e48b5b4)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)