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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(02adadd911024884e58c0d597ad8169db4f09fbd2d4f0e37751613676b453a8662)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(036d2aeec4618d46dc0192241d2d20587637e8a9d7294f4605ade5d3a28ab2299d)</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 = tb1qtzggt6jgdpxqxzm357hvkwpf0q7q4xz00cdg44</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qye30xd6l9r6pf7jyx9j4el4kgfflpg8puaahzn</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qtzggt6jgdpxqxzm357hvkwpf0q7q4xz00cdg44</span>
<span class="hljs-comment">// tb1qye30xd6l9r6pf7jyx9j4el4kgfflpg8puaahzn</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 = mobEtaPn6darXkJYDpPdd7CF5SsNZNHRy5</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mj1vWWo8ZMhjPH7p5rprf24myLm8zaDG8E</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mobEtaPn6darXkJYDpPdd7CF5SsNZNHRy5</span>
<span class="hljs-comment">// mj1vWWo8ZMhjPH7p5rprf24myLm8zaDG8E</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 © 2024 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(02adadd911024884e58c0d597ad8169db4f09fbd2d4f0e37751613676b453a8662)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(036d2aeec4618d46dc0192241d2d20587637e8a9d7294f4605ade5d3a28ab2299d)</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 = tb1qtzggt6jgdpxqxzm357hvkwpf0q7q4xz00cdg44</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qye30xd6l9r6pf7jyx9j4el4kgfflpg8puaahzn</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qtzggt6jgdpxqxzm357hvkwpf0q7q4xz00cdg44</span>
<span class="hljs-comment">// tb1qye30xd6l9r6pf7jyx9j4el4kgfflpg8puaahzn</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 = mobEtaPn6darXkJYDpPdd7CF5SsNZNHRy5</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mj1vWWo8ZMhjPH7p5rprf24myLm8zaDG8E</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mobEtaPn6darXkJYDpPdd7CF5SsNZNHRy5</span>
<span class="hljs-comment">// mj1vWWo8ZMhjPH7p5rprf24myLm8zaDG8E</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 © 2024 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, 0xf0ae527b3d57efaa228aeed8d3ba2c4a1ba9d23c33e690d5371abb7f116215c6)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x9094bfc0dc80778a684885b557b4109e26389f351bbe1bd9b955a6f1148b8d79)</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(vague, income, paddle, kingdom, leave, steak, mechanic, fruit, sugar, oven, mention, neither, ritual, trouble, valid, lamp, move, predict, shop, ivory, valve, rain, finish, setup)</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(mountain, planet, usual, ribbon, alter, share, patrol, awful, relief, sad, aerobic, detail, glory, exhibit, stamp, jelly, bridge, soccer, fever, evil, bacon, easy, curious, clock)</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 = zpub6jftahH18ngZwTKYf9a1TNXt3znabUYfzpPkHKz29W5BuK2rtu9WoCFm4XM28cr6rEoaxtbgLCTKB54sNmFuqmyETnhkHTF4XvdVhEcuoa7</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwLD2au22oE3VdceBbTTzZyPCsMASRRHYTEAQgGh8tL13sLkfjHQSjtqGy5gP8Vao61LkgSo7GveR2UfoKVUPxHs58tKtHhB</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>
@ -158,7 +158,7 @@ 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 = zpub6rU1SKXJ8pP6Y4CRbrXKdwWdTx4oz9VtwJwSMcR1gg88XjAi8VhJ9GWofQhbXdV5UAiVUUhzhr3ERQxpYQKDiaEVdUGVmv54Vqnsh3ECXpz</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r3W9MSRVCi6QZqbJt8CVYpcmT1WpLD7NUWzwRpZnijQvJEH1wgHjdhZQzcXVKTp4gKSmW8UePvQai8JEd8ixPQ7hEdiBjitmBaewNFHcsu</span>
<span class="hljs-comment">// address no. 0 ---------------┐</span>
<span class="hljs-comment">// external address ----------┐ |</span>
@ -181,12 +181,12 @@ 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 = tb1q5z55ut87ktzg3x06has8g2t9fjrtzyp93xcyau</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q6p6rkatnrcad8n2y3e07zrx024nrqm0pswdcy3</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 = tb1q5z55ut87ktzg3x06has8g2t9fjrtzyp93xcyau</span>
<span class="hljs-comment">// res2: String = tb1q6p6rkatnrcad8n2y3e07zrx024nrqm0pswdcy3</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, 0xf0ae527b3d57efaa228aeed8d3ba2c4a1ba9d23c33e690d5371abb7f116215c6)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x9094bfc0dc80778a684885b557b4109e26389f351bbe1bd9b955a6f1148b8d79)</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(vague, income, paddle, kingdom, leave, steak, mechanic, fruit, sugar, oven, mention, neither, ritual, trouble, valid, lamp, move, predict, shop, ivory, valve, rain, finish, setup)</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(mountain, planet, usual, ribbon, alter, share, patrol, awful, relief, sad, aerobic, detail, glory, exhibit, stamp, jelly, bridge, soccer, fever, evil, bacon, easy, curious, clock)</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 = zpub6jftahH18ngZwTKYf9a1TNXt3znabUYfzpPkHKz29W5BuK2rtu9WoCFm4XM28cr6rEoaxtbgLCTKB54sNmFuqmyETnhkHTF4XvdVhEcuoa7</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwLD2au22oE3VdceBbTTzZyPCsMASRRHYTEAQgGh8tL13sLkfjHQSjtqGy5gP8Vao61LkgSo7GveR2UfoKVUPxHs58tKtHhB</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>
@ -158,7 +158,7 @@ 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 = zpub6rU1SKXJ8pP6Y4CRbrXKdwWdTx4oz9VtwJwSMcR1gg88XjAi8VhJ9GWofQhbXdV5UAiVUUhzhr3ERQxpYQKDiaEVdUGVmv54Vqnsh3ECXpz</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r3W9MSRVCi6QZqbJt8CVYpcmT1WpLD7NUWzwRpZnijQvJEH1wgHjdhZQzcXVKTp4gKSmW8UePvQai8JEd8ixPQ7hEdiBjitmBaewNFHcsu</span>
<span class="hljs-comment">// address no. 0 ---------------┐</span>
<span class="hljs-comment">// external address ----------┐ |</span>
@ -181,12 +181,12 @@ 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 = tb1q5z55ut87ktzg3x06has8g2t9fjrtzyp93xcyau</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q6p6rkatnrcad8n2y3e07zrx024nrqm0pswdcy3</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 = tb1q5z55ut87ktzg3x06has8g2t9fjrtzyp93xcyau</span>
<span class="hljs-comment">// res2: String = tb1q6p6rkatnrcad8n2y3e07zrx024nrqm0pswdcy3</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$$anon$3@2e22c0a8[Running, parallelism = 4, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@f6f1eac[Running, parallelism = 4, 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(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9)</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(21678a9daa5ee7efae9869194c80339d11c8edb7)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c)</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(21678a9daa5ee7efae9869194c80339d11c8edb7))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c))</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(cfdd20a690bb7d7565db5e5256b7928ce4daff7b)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(e6eff01f90598e37c440af10d773cff19a4d8904)</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(cfdd20a690bb7d7565db5e5256b7928ce4daff7b)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(e6eff01f90598e37c440af10d773cff19a4d8904)))</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(21678a9daa5ee7efae9869194c80339d11c8edb7))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c: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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c: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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cfdd20a690bb7d7565db5e5256b7928ce4daff7b))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e6eff01f90598e37c440af10d773cff19a4d8904))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),10000 sats,ECPublicKey(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),10000 sats,ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9))</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(c92a24fb6efc82c8d6ecf5fda75444801a87bb8a)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(f10f79618658181c5db8e7baefaa13f679405415)</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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),10000 sats,ECPublicKey(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953))),1 sats/byte,pkh(c92a24fb6efc82c8d6ecf5fda75444801a87bb8a))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),10000 sats,ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9))),1 sats/byte,pkh(f10f79618658181c5db8e7baefaa13f679405415))</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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cfdd20a690bb7d7565db5e5256b7928ce4daff7b)), TransactionOutput(4775 sats,pkh(c92a24fb6efc82c8d6ecf5fda75444801a87bb8a))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e6eff01f90598e37c440af10d773cff19a4d8904)), TransactionOutput(4775 sats,pkh(f10f79618658181c5db8e7baefaa13f679405415))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),10000 sats,ECPublicKey(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(21678a9daa5ee7efae9869194c80339d11c8edb7))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),10000 sats,ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),10000 sats,ECPublicKey(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(21678a9daa5ee7efae9869194c80339d11c8edb7))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),10000 sats,ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953)), ECDigitalSignature(3044022060d5755b336a7df80c71bf5d17067ef075861b0d925c395bf76fb9b9de191d2602206a2e70aaaba8ff43b1b77b1364d2aff945f77a5e31bc9416c4aab6700415b9d701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cfdd20a690bb7d7565db5e5256b7928ce4daff7b)), TransactionOutput(4775 sats,pkh(c92a24fb6efc82c8d6ecf5fda75444801a87bb8a))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9)), ECDigitalSignature(304402201d8fad6d3919fde75ee014aaa1d00f8b997f87c2b3f62f11f2016e9241656df802204541ef08a121a2a65eacd0e6b2823f83e02b43bdee37638f33f1118612bb1bdb01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e6eff01f90598e37c440af10d773cff19a4d8904)), TransactionOutput(4775 sats,pkh(f10f79618658181c5db8e7baefaa13f679405415))),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 = 0200000001c356bc7f9c2d6ebfd07a65f599d472036fad2ec35521308e64832d6e4afff890000000006a473044022060d5755b336a7df80c71bf5d17067ef075861b0d925c395bf76fb9b9de191d2602206a2e70aaaba8ff43b1b77b1364d2aff945f77a5e31bc9416c4aab6700415b9d7012103f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953000000000288130000000000001976a914cfdd20a690bb7d7565db5e5256b7928ce4daff7b88aca7120000000000001976a914c92a24fb6efc82c8d6ecf5fda75444801a87bb8a88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000010c4e5e638a5f30cd44a01203e3531ce8f9b2dcf6e73acf9fa39f1eea54815263000000006a47304402201d8fad6d3919fde75ee014aaa1d00f8b997f87c2b3f62f11f2016e9241656df802204541ef08a121a2a65eacd0e6b2823f83e02b43bdee37638f33f1118612bb1bdb0121037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9000000000288130000000000001976a914e6eff01f90598e37c440af10d773cff19a4d890488aca7120000000000001976a914f10f79618658181c5db8e7baefaa13f67940541588ac00000000</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$$anon$3@2e22c0a8[Running, parallelism = 4, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@f6f1eac[Running, parallelism = 4, 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(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9)</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(21678a9daa5ee7efae9869194c80339d11c8edb7)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c)</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(21678a9daa5ee7efae9869194c80339d11c8edb7))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c))</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(cfdd20a690bb7d7565db5e5256b7928ce4daff7b)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(e6eff01f90598e37c440af10d773cff19a4d8904)</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(cfdd20a690bb7d7565db5e5256b7928ce4daff7b)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(e6eff01f90598e37c440af10d773cff19a4d8904)))</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(21678a9daa5ee7efae9869194c80339d11c8edb7))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c: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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c: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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cfdd20a690bb7d7565db5e5256b7928ce4daff7b))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e6eff01f90598e37c440af10d773cff19a4d8904))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),10000 sats,ECPublicKey(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),10000 sats,ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9))</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(c92a24fb6efc82c8d6ecf5fda75444801a87bb8a)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(f10f79618658181c5db8e7baefaa13f679405415)</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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),10000 sats,ECPublicKey(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953))),1 sats/byte,pkh(c92a24fb6efc82c8d6ecf5fda75444801a87bb8a))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),10000 sats,ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9))),1 sats/byte,pkh(f10f79618658181c5db8e7baefaa13f679405415))</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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cfdd20a690bb7d7565db5e5256b7928ce4daff7b)), TransactionOutput(4775 sats,pkh(c92a24fb6efc82c8d6ecf5fda75444801a87bb8a))),UInt32Impl(0))</span>
<span class="hljs-comment">// unsignedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e6eff01f90598e37c440af10d773cff19a4d8904)), TransactionOutput(4775 sats,pkh(f10f79618658181c5db8e7baefaa13f679405415))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),10000 sats,ECPublicKey(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(21678a9daa5ee7efae9869194c80339d11c8edb7))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),10000 sats,ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),10000 sats,ECPublicKey(03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(21678a9daa5ee7efae9869194c80339d11c8edb7))),UInt32Impl(0)),Vector(Masked(ECPrivateKey)),SIGHASH_ALL(1)))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),10000 sats,ECPublicKey(037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(bf62bdebcdedf8f9bfa189119bdc7ef225f91e8c))),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(90f8ff4a6e2d83648e302155c32ead6f0372d499f5657ad0bf6e2d9c7fbc56c3:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x03f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953)), ECDigitalSignature(3044022060d5755b336a7df80c71bf5d17067ef075861b0d925c395bf76fb9b9de191d2602206a2e70aaaba8ff43b1b77b1364d2aff945f77a5e31bc9416c4aab6700415b9d701)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(cfdd20a690bb7d7565db5e5256b7928ce4daff7b)), TransactionOutput(4775 sats,pkh(c92a24fb6efc82c8d6ecf5fda75444801a87bb8a))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(63528154ea1e9fa39fcf3ae7f6dcb2f9e81c53e30312a044cd305f8a635e4e0c:0),P2PKHScriptSignature(ECPublicKeyBytes(ByteVector(33 bytes, 0x037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9)), ECDigitalSignature(304402201d8fad6d3919fde75ee014aaa1d00f8b997f87c2b3f62f11f2016e9241656df802204541ef08a121a2a65eacd0e6b2823f83e02b43bdee37638f33f1118612bb1bdb01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(e6eff01f90598e37c440af10d773cff19a4d8904)), TransactionOutput(4775 sats,pkh(f10f79618658181c5db8e7baefaa13f679405415))),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 = 0200000001c356bc7f9c2d6ebfd07a65f599d472036fad2ec35521308e64832d6e4afff890000000006a473044022060d5755b336a7df80c71bf5d17067ef075861b0d925c395bf76fb9b9de191d2602206a2e70aaaba8ff43b1b77b1364d2aff945f77a5e31bc9416c4aab6700415b9d7012103f5f63eaa37f20bc96aba34b8e97c88ec885753805bd478804aad43c30aa82953000000000288130000000000001976a914cfdd20a690bb7d7565db5e5256b7928ce4daff7b88aca7120000000000001976a914c92a24fb6efc82c8d6ecf5fda75444801a87bb8a88ac00000000</span>
<span class="hljs-comment">// res4: String = 02000000010c4e5e638a5f30cd44a01203e3531ce8f9b2dcf6e73acf9fa39f1eea54815263000000006a47304402201d8fad6d3919fde75ee014aaa1d00f8b997f87c2b3f62f11f2016e9241656df802204541ef08a121a2a65eacd0e6b2823f83e02b43bdee37638f33f1118612bb1bdb0121037cfdd43f196222d574df90bab0df33c5fe904b6e5ffef7bf7eda38d7b28470c9000000000288130000000000001976a914e6eff01f90598e37c440af10d773cff19a4d890488aca7120000000000001976a914f10f79618658181c5db8e7baefaa13f67940541588ac00000000</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 © 2024 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(3045022100df04e9bc279e0dda36deb48ea3fe40f868aff6cde17575ad546f0877a0c580ba02205c77af5db9c1a6a3a1ae81c860db94eee9aa1932a4a6250b8c7787ce10975891)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402202d4be0e969c5c68acdef1a0e8cf927b27f2b56e5bd15548ff2c7c83c6119c4710220171c78f65923f9074962ad0ce690e56b4b1b38b19bbcbcdcae2590181fb86c10)</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(30440220473d87a255375dfbdde0fc6c0bed27c619a0096b120524756ac4ecaceb4e60c902206e6acfa29df039f28aca299afeb46d1277e343d9a21cb8e00094c3d115fc5a02)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304502210097fa5908362872b1e03a0d0fe601b28ad3ec0d365103a3a633828bac138e3ffd0220333475613e0098ad15ec281348e742c48a9e96d8dd3198b5839d0212af05cd0a)</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(3045022100df04e9bc279e0dda36deb48ea3fe40f868aff6cde17575ad546f0877a0c580ba02205c77af5db9c1a6a3a1ae81c860db94eee9aa1932a4a6250b8c7787ce10975891)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402202d4be0e969c5c68acdef1a0e8cf927b27f2b56e5bd15548ff2c7c83c6119c4710220171c78f65923f9074962ad0ce690e56b4b1b38b19bbcbcdcae2590181fb86c10)</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(30440220473d87a255375dfbdde0fc6c0bed27c619a0096b120524756ac4ecaceb4e60c902206e6acfa29df039f28aca299afeb46d1277e343d9a21cb8e00094c3d115fc5a02)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304502210097fa5908362872b1e03a0d0fe601b28ad3ec0d365103a3a633828bac138e3ffd0220333475613e0098ad15ec281348e742c48a9e96d8dd3198b5839d0212af05cd0a)</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>1.9.7-476-af342dd6-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.7-477-a875f08d-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>1.9.7-476-af342dd6-SNAPSHOT</code>.</p>
recent snapshot published is <code>1.9.7-477-a875f08d-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, 0x8ad08b1ffaa273f045d1a35854dd37711bd81fc2b2849d569b8b335afa10f221)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xf2bc4ea2c21a89d3b8f7e9c0121d15642871cf1dcafa9abfbee519a9881e9f13)</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(member, lounge, side, vocal, cheese, wealth, blanket, crucial, flame, plunge, evidence, timber, rural, avocado, approve, explain, outer, regular, tissue, grit, quick, anchor, silk, clog)</span>
<span class="hljs-comment">// Vector(verify, tiny, post, loud, possible, truth, toilet, wood, scale, movie, earn, sign, mandate, travel, jaguar, gap, one, worth, rich, crew, obtain, aunt, labor, half)</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-example10954557160607748467/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example2866449871459950347/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-example10954557160607748467/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example2866449871459950347/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@79e5e3ed)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@5c6d20d3)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZPCxpxMQ5VeFzGSwvCnUPQPH1y1ngH3fMkNBNWTjCX2sjcuh2hRd81pDMRfZ7CMbUzQkZ1Hw4Eec1CXPgi3Sp93MStcEgfF</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4Wea7tpHSmE3JpE7E6k81ovpPdKU5yQrFhB3uBYYY7FafqLBGktFRz3LXT5cZ1JL64whAmfd7SaoftkQHzfyZotQSPzR2ffDoA</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZPCxpxMQ5VeFzGSwvCnUPQPH1y1ngH3fMkNBNWTjCX2sjcuh2hRd81pDMRfZ7CMbUzQkZ1Hw4Eec1CXPgi3Sp93MStcEgfF</span>
<span class="hljs-comment">// vpub5SLqN2bLY4Wea7tpHSmE3JpE7E6k81ovpPdKU5yQrFhB3uBYYY7FafqLBGktFRz3LXT5cZ1JL64whAmfd7SaoftkQHzfyZotQSPzR2ffDoA</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-example10954557160607748467/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example2866449871459950347/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@53d0555b</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6f4ae82e</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxZySAPVtur2Gg92jggkU3rUA9YbLCJZBa9d6P97ygmfRpSk32L3JkaHSML3nwqmo28s1RnwzFBP1UZK62MKPu3Hw1CreFoK</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyJfHcsuisfCEo6gXtVmvUqiCbfYxNHChGJSTZAmW4vTtG6bEF4biy5vJcTPYAjV9EKDvVu6dzcd9senNKD5qVLeZyNvMBuw</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxZySAPVtur2Gg92jggkU3rUA9YbLCJZBa9d6P97ygmfRpSk32L3JkaHSML3nwqmo28s1RnwzFBP1UZK62MKPu3Hw1CreFoK</span>
<span class="hljs-comment">// zpub6jftahH18ngZyJfHcsuisfCEo6gXtVmvUqiCbfYxNHChGJSTZAmW4vTtG6bEF4biy5vJcTPYAjV9EKDvVu6dzcd9senNKD5qVLeZyNvMBuw</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, 0x8ad08b1ffaa273f045d1a35854dd37711bd81fc2b2849d569b8b335afa10f221)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xf2bc4ea2c21a89d3b8f7e9c0121d15642871cf1dcafa9abfbee519a9881e9f13)</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(member, lounge, side, vocal, cheese, wealth, blanket, crucial, flame, plunge, evidence, timber, rural, avocado, approve, explain, outer, regular, tissue, grit, quick, anchor, silk, clog)</span>
<span class="hljs-comment">// Vector(verify, tiny, post, loud, possible, truth, toilet, wood, scale, movie, earn, sign, mandate, travel, jaguar, gap, one, worth, rich, crew, obtain, aunt, labor, half)</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-example10954557160607748467/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example2866449871459950347/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-example10954557160607748467/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example2866449871459950347/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@79e5e3ed)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@5c6d20d3)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZPCxpxMQ5VeFzGSwvCnUPQPH1y1ngH3fMkNBNWTjCX2sjcuh2hRd81pDMRfZ7CMbUzQkZ1Hw4Eec1CXPgi3Sp93MStcEgfF</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4Wea7tpHSmE3JpE7E6k81ovpPdKU5yQrFhB3uBYYY7FafqLBGktFRz3LXT5cZ1JL64whAmfd7SaoftkQHzfyZotQSPzR2ffDoA</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZPCxpxMQ5VeFzGSwvCnUPQPH1y1ngH3fMkNBNWTjCX2sjcuh2hRd81pDMRfZ7CMbUzQkZ1Hw4Eec1CXPgi3Sp93MStcEgfF</span>
<span class="hljs-comment">// vpub5SLqN2bLY4Wea7tpHSmE3JpE7E6k81ovpPdKU5yQrFhB3uBYYY7FafqLBGktFRz3LXT5cZ1JL64whAmfd7SaoftkQHzfyZotQSPzR2ffDoA</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-example10954557160607748467/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example2866449871459950347/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@53d0555b</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@6f4ae82e</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxZySAPVtur2Gg92jggkU3rUA9YbLCJZBa9d6P97ygmfRpSk32L3JkaHSML3nwqmo28s1RnwzFBP1UZK62MKPu3Hw1CreFoK</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZyJfHcsuisfCEo6gXtVmvUqiCbfYxNHChGJSTZAmW4vTtG6bEF4biy5vJcTPYAjV9EKDvVu6dzcd9senNKD5qVLeZyNvMBuw</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxZySAPVtur2Gg92jggkU3rUA9YbLCJZBa9d6P97ygmfRpSk32L3JkaHSML3nwqmo28s1RnwzFBP1UZK62MKPu3Hw1CreFoK</span>
<span class="hljs-comment">// zpub6jftahH18ngZyJfHcsuisfCEo6gXtVmvUqiCbfYxNHChGJSTZAmW4vTtG6bEF4biy5vJcTPYAjV9EKDvVu6dzcd9senNKD5qVLeZyNvMBuw</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

4
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View file

@ -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(0212b5b3d3e175bd51f6a61e3f8919efc7542c017a71010f639025e853c7f82eb2)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(021ff274e324b342799bad68e007214f12d40af4f3cd11223a9d04cb470b45eac1)</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(304402200cc4e1c39cb4b421c287503bda220c668e0d374d5d4326d4deca170e151783a0022054505980f18a1a78d6c6dc4e640740d5f39ebacfbf61d4b683c5a6afb423797d)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100cdc21fab89284550366b7bdd67ddd56be065c79fe6602d9ea5f39901b41df61302205313695313ab41d13baf9d559f4a73723a7ea6911f27b4a47fb18535c4136690)</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(0212b5b3d3e175bd51f6a61e3f8919efc7542c017a71010f639025e853c7f82eb2)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(021ff274e324b342799bad68e007214f12d40af4f3cd11223a9d04cb470b45eac1)</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(304402200cc4e1c39cb4b421c287503bda220c668e0d374d5d4326d4deca170e151783a0022054505980f18a1a78d6c6dc4e640740d5f39ebacfbf61d4b683c5a6afb423797d)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100cdc21fab89284550366b7bdd67ddd56be065c79fe6602d9ea5f39901b41df61302205313695313ab41d13baf9d559f4a73723a7ea6911f27b4a47fb18535c4136690)</span>
<span class="hljs-comment">// calls bouncy castle indirectly via CryptoContext</span>
<span class="hljs-keyword">val</span> verified = publicKey.verify(dataToSign.bytes, signature)