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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02b5bcb79705de15ee5cb01fc14a9c8b085a9fb8873658c8f8281e10398dfd2bc8)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(036652f8fe324d5da302b35db08f286cdade96778395d2be8b84d4f990b668e910)</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 = tb1qc0sjpn6hrsq2h2nryzk5y5j5m4jan0s6qvykvn</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qn6s8wjj5uwuflrrhkdp9arxgxpg7mlvzn5vzhf</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qc0sjpn6hrsq2h2nryzk5y5j5m4jan0s6qvykvn</span>
<span class="hljs-comment">// tb1qn6s8wjj5uwuflrrhkdp9arxgxpg7mlvzn5vzhf</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="generating-legacy-base58-addresses"></a><a href="#generating-legacy-base58-addresses" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Generating legacy (base58) addresses</h2>
<p>If you need to generate legacy addresses for backwards
@ -101,10 +101,10 @@ Take a look:</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">// we&#x27;re reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don&#x27;t do this in an actual application!</span>
<span class="hljs-keyword">val</span> legacyAddress = <span class="hljs-type">P2PKHAddress</span>(pubkey, <span class="hljs-type">TestNet3</span>)
<span class="hljs-comment">// legacyAddress: P2PKHAddress = myNfke5Cim8k5xKmoyNTimQqHmP5QhvvQG</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = muyhHjaFJG1YRuDweqrJ8DifRBLnc6s79p</span>
println(legacyAddress.toString)
<span class="hljs-comment">// myNfke5Cim8k5xKmoyNTimQqHmP5QhvvQG</span>
<span class="hljs-comment">// muyhHjaFJG1YRuDweqrJ8DifRBLnc6s79p</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev"></span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"></span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2020 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02b5bcb79705de15ee5cb01fc14a9c8b085a9fb8873658c8f8281e10398dfd2bc8)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(036652f8fe324d5da302b35db08f286cdade96778395d2be8b84d4f990b668e910)</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 = tb1qc0sjpn6hrsq2h2nryzk5y5j5m4jan0s6qvykvn</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qn6s8wjj5uwuflrrhkdp9arxgxpg7mlvzn5vzhf</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qc0sjpn6hrsq2h2nryzk5y5j5m4jan0s6qvykvn</span>
<span class="hljs-comment">// tb1qn6s8wjj5uwuflrrhkdp9arxgxpg7mlvzn5vzhf</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="generating-legacy-base58-addresses"></a><a href="#generating-legacy-base58-addresses" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Generating legacy (base58) addresses</h2>
<p>If you need to generate legacy addresses for backwards
@ -101,10 +101,10 @@ Take a look:</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">// we&#x27;re reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don&#x27;t do this in an actual application!</span>
<span class="hljs-keyword">val</span> legacyAddress = <span class="hljs-type">P2PKHAddress</span>(pubkey, <span class="hljs-type">TestNet3</span>)
<span class="hljs-comment">// legacyAddress: P2PKHAddress = myNfke5Cim8k5xKmoyNTimQqHmP5QhvvQG</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = muyhHjaFJG1YRuDweqrJ8DifRBLnc6s79p</span>
println(legacyAddress.toString)
<span class="hljs-comment">// myNfke5Cim8k5xKmoyNTimQqHmP5QhvvQG</span>
<span class="hljs-comment">// muyhHjaFJG1YRuDweqrJ8DifRBLnc6s79p</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev"></span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"></span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2020 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

View file

@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x0ad7213348bf353e1dffa8c4878d9f5be555ad477f78665ab6853442ffde5485)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xcf0f5fcebf2b643984409377a23eb5df458fe81f7587bb50954217b1c4c4442c)</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(approve, ribbon, error, multiply, viable, pair, jewel, vital, setup, detect, guitar, result, fetch, stove, bulb, upper, green, stick, pattern, hammer, copper, upset, faith, program) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(someone, kit, victory, layer, rent, broom, baby, bar, jeans, ball, pulp, salon, flight, village, lava, rail, robust, lucky, explain, control, brisk, giraffe, awful, never) // 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 = zpub6jftahH18ngZxo7ZTxpSugWCHELzX8Xhc6YVvC7ZngBfgL72SJ4gJRhjCM5oGmPBaWcxxMugHcoBfvYvtJ9AznuZoDq1RPabPx3Xj7xYenK</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwpMqr6tEz5iBA4WQAMMDBUu4Z5rfEjj9CrsjBp8FjCVMUkD5hdK2oLDn287UQ7vzdR5rC42RJqT2AmqZN6jVd2qj3jZZfGD</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 = zpub6rLvuh4xmX43W9f12MgFZhCc8peGEFjgGoUA3Xa3wyYEZqETNtdWqaqfGGKQPntammfAmithEQjPGN53DmoXhPE88E5ycPNSE6RG9iZTaEb</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6ruhKQv7LiRPGXKoTEBHK3zdpPmA6z62ZBbe6QfkqxyKKTi4uzYChKMDk8GEPT2cCpRuc8RbhAXThXLF6RrZnqp3dLzZmqr34FUdJEXDoaj</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 = tb1qd848f2h2wgmqmw8n26clqj3nwrn79udwzzltxy</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qykq4p67vz56gaq4k4nj76ngeyf4rrts6fr2knm</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 = tb1qd848f2h2wgmqmw8n26clqj3nwrn79udwzzltxy</span>
<span class="hljs-comment">// res2: String = tb1qykq4p67vz56gaq4k4nj76ngeyf4rrts6fr2knm</span>
<span class="hljs-comment">// you can now continue deriving addresses from the same public</span>
<span class="hljs-comment">// key, by imitating what we did above. To get the next</span>

View file

@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0x0ad7213348bf353e1dffa8c4878d9f5be555ad477f78665ab6853442ffde5485)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xcf0f5fcebf2b643984409377a23eb5df458fe81f7587bb50954217b1c4c4442c)</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(approve, ribbon, error, multiply, viable, pair, jewel, vital, setup, detect, guitar, result, fetch, stove, bulb, upper, green, stick, pattern, hammer, copper, upset, faith, program) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(someone, kit, victory, layer, rent, broom, baby, bar, jeans, ball, pulp, salon, flight, village, lava, rail, robust, lucky, explain, control, brisk, giraffe, awful, never) // 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 = zpub6jftahH18ngZxo7ZTxpSugWCHELzX8Xhc6YVvC7ZngBfgL72SJ4gJRhjCM5oGmPBaWcxxMugHcoBfvYvtJ9AznuZoDq1RPabPx3Xj7xYenK</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwpMqr6tEz5iBA4WQAMMDBUu4Z5rfEjj9CrsjBp8FjCVMUkD5hdK2oLDn287UQ7vzdR5rC42RJqT2AmqZN6jVd2qj3jZZfGD</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 = zpub6rLvuh4xmX43W9f12MgFZhCc8peGEFjgGoUA3Xa3wyYEZqETNtdWqaqfGGKQPntammfAmithEQjPGN53DmoXhPE88E5ycPNSE6RG9iZTaEb</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6ruhKQv7LiRPGXKoTEBHK3zdpPmA6z62ZBbe6QfkqxyKKTi4uzYChKMDk8GEPT2cCpRuc8RbhAXThXLF6RrZnqp3dLzZmqr34FUdJEXDoaj</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 = tb1qd848f2h2wgmqmw8n26clqj3nwrn79udwzzltxy</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qykq4p67vz56gaq4k4nj76ngeyf4rrts6fr2knm</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 = tb1qd848f2h2wgmqmw8n26clqj3nwrn79udwzzltxy</span>
<span class="hljs-comment">// res2: String = tb1qykq4p67vz56gaq4k4nj76ngeyf4rrts6fr2knm</span>
<span class="hljs-comment">// you can now continue deriving addresses from the same public</span>
<span class="hljs-comment">// key, by imitating what we did above. To get the next</span>

View file

@ -64,7 +64,7 @@
});
</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/bitcoin-s/bitcoin-s/blob/master/docs/core/txbuilder.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">TxBuilder Example</h1></header><article><div><span><p>Bitcoin-S features a transaction building API that allows you to construct and sign Bitcoin transactions. Here's an example of how to use it</p>
<pre><code class="hljs css language-scala"><span class="hljs-keyword">implicit</span> <span class="hljs-keyword">val</span> ec: <span class="hljs-type">ExecutionContext</span> = <span class="hljs-type">ExecutionContext</span>.<span class="hljs-type">Implicits</span>.global
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@430c3fca[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@49b3e5b6[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f)</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(8fb030665fd739d4ddb9b4e423eabf05627fa6eb)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(f2f249163c06f05a56401355bb0dbe800d69f692)</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(8fb030665fd739d4ddb9b4e423eabf05627fa6eb))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(f2f249163c06f05a56401355bb0dbe800d69f692))</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(9eb31f1fc5646e771b31871ecc817307c6a8c582)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5)</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(9eb31f1fc5646e771b31871ecc817307c6a8c582)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5)))</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(8fb030665fd739d4ddb9b4e423eabf05627fa6eb))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f2f249163c06f05a56401355bb0dbe800d69f692))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly &quot;link&quot; it in the transaction we are creating</span>
<span class="hljs-keyword">val</span> outPoint = <span class="hljs-type">TransactionOutPoint</span>(creditingTx.txId, <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0)</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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(9eb31f1fc5646e771b31871ecc817307c6a8c582))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5))),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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),10000 sats,ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),10000 sats,ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(4a68a4dfaa5715b53d2f34ec93f9ea230bb393cb)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(5307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a)</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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),10000 sats,ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8))),1 sats/byte,pkh(4a68a4dfaa5715b53d2f34ec93f9ea230bb393cb))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),10000 sats,ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f))),1 sats/byte,pkh(5307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a))</span>
<span class="hljs-comment">// We can now finalize the tx builder result from earlier with this finalizer</span>
<span class="hljs-keyword">val</span> unsignedTxF: <span class="hljs-type">Future</span>[<span class="hljs-type">Transaction</span>] = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(9eb31f1fc5646e771b31871ecc817307c6a8c582)), TransactionOutput(4775 sats,pkh(4a68a4dfaa5715b53d2f34ec93f9ea230bb393cb))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5)), TransactionOutput(4775 sats,pkh(5307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a))),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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),10000 sats,ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8fb030665fd739d4ddb9b4e423eabf05627fa6eb))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),10000 sats,ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f2f249163c06f05a56401355bb0dbe800d69f692))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),10000 sats,ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8fb030665fd739d4ddb9b4e423eabf05627fa6eb))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),10000 sats,ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f2f249163c06f05a56401355bb0dbe800d69f692))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The &#x27;sign&#x27; method is going produce a validly signed transaction</span>
@ -201,7 +201,7 @@ builder += input
}
<span class="hljs-type">Await</span>.result(signedTxF, <span class="hljs-number">30.</span>seconds)
}
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),P2PKHScriptSignature(ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8), ECDigitalSignature(304402207138ba31cb81822d9570bad1f9090bc8925da668d2e8ce2088b09239a337241602201b05c2204775c8f697f5ad1acea4c0ddb74c577078b0b296a5ba8ceef00b6cda01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(9eb31f1fc5646e771b31871ecc817307c6a8c582)), TransactionOutput(4775 sats,pkh(4a68a4dfaa5715b53d2f34ec93f9ea230bb393cb))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),P2PKHScriptSignature(ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f), ECDigitalSignature(30440220637448b2fac31a0145a114429497cc14582c587d77fcb97b0aecdc16da46b3fc02206e3da8f21e0e7f618f092cf6331f0854d59e966d845fbe3c2d01332f44659c5601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5)), TransactionOutput(4775 sats,pkh(5307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -211,7 +211,7 @@ signedTx.outputs.length
<span class="hljs-comment">//remember, you can call .hex on any bitcoin-s data structure to get the hex representation!</span>
signedTx.hex
<span class="hljs-comment">// res4: String = 02000000011c74ed11f6b1241d21542495620fc8e6c808b5c4b142e05ddd9e245660b78cf6000000006a47304402207138ba31cb81822d9570bad1f9090bc8925da668d2e8ce2088b09239a337241602201b05c2204775c8f697f5ad1acea4c0ddb74c577078b0b296a5ba8ceef00b6cda0121038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8000000000288130000000000001976a9149eb31f1fc5646e771b31871ecc817307c6a8c58288aca7120000000000001976a9144a68a4dfaa5715b53d2f34ec93f9ea230bb393cb88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001291c326d29472e742fa656a7b9672972068cc60e50b12c962829159dbd88ab51000000006a4730440220637448b2fac31a0145a114429497cc14582c587d77fcb97b0aecdc16da46b3fc02206e3da8f21e0e7f618f092cf6331f0854d59e966d845fbe3c2d01332f44659c56012103c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f000000000288130000000000001976a914b8ee166dd2d7dfb2c508fa7939520c97cc67b2e588aca7120000000000001976a9145307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a88ac00000000</span>
</code></pre>
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@ -64,7 +64,7 @@
});
</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/bitcoin-s/bitcoin-s/blob/master/docs/core/txbuilder.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">TxBuilder Example</h1></header><article><div><span><p>Bitcoin-S features a transaction building API that allows you to construct and sign Bitcoin transactions. Here's an example of how to use it</p>
<pre><code class="hljs css language-scala"><span class="hljs-keyword">implicit</span> <span class="hljs-keyword">val</span> ec: <span class="hljs-type">ExecutionContext</span> = <span class="hljs-type">ExecutionContext</span>.<span class="hljs-type">Implicits</span>.global
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@430c3fca[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@49b3e5b6[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// Initialize a transaction builder</span>
<span class="hljs-keyword">val</span> builder = <span class="hljs-type">RawTxBuilder</span>()
@ -74,19 +74,19 @@
<span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubKey = privKey.publicKey
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f)</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(8fb030665fd739d4ddb9b4e423eabf05627fa6eb)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(f2f249163c06f05a56401355bb0dbe800d69f692)</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(8fb030665fd739d4ddb9b4e423eabf05627fa6eb))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(f2f249163c06f05a56401355bb0dbe800d69f692))</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(9eb31f1fc5646e771b31871ecc817307c6a8c582)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5)</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(9eb31f1fc5646e771b31871ecc817307c6a8c582)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5)))</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(8fb030665fd739d4ddb9b4e423eabf05627fa6eb))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f2f249163c06f05a56401355bb0dbe800d69f692))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly &quot;link&quot; it in the transaction we are creating</span>
<span class="hljs-keyword">val</span> outPoint = <span class="hljs-type">TransactionOutPoint</span>(creditingTx.txId, <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0)</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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(9eb31f1fc5646e771b31871ecc817307c6a8c582))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5))),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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),10000 sats,ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),10000 sats,ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f))</span>
<span class="hljs-comment">// this is how much we are going to pay as a fee to the network</span>
<span class="hljs-comment">// for this example, we are going to pay 1 satoshi per byte</span>
@ -155,18 +155,18 @@ builder += input
<span class="hljs-keyword">val</span> changePrivKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// changePrivKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> changeSPK = <span class="hljs-type">P2PKHScriptPubKey</span>(pubKey = changePrivKey.publicKey)
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(4a68a4dfaa5715b53d2f34ec93f9ea230bb393cb)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(5307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a)</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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),10000 sats,ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8))),1 sats/byte,pkh(4a68a4dfaa5715b53d2f34ec93f9ea230bb393cb))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),10000 sats,ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f))),1 sats/byte,pkh(5307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a))</span>
<span class="hljs-comment">// We can now finalize the tx builder result from earlier with this finalizer</span>
<span class="hljs-keyword">val</span> unsignedTxF: <span class="hljs-type">Future</span>[<span class="hljs-type">Transaction</span>] = finalizer.buildTx(builderResult)
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(9eb31f1fc5646e771b31871ecc817307c6a8c582)), TransactionOutput(4775 sats,pkh(4a68a4dfaa5715b53d2f34ec93f9ea230bb393cb))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5)), TransactionOutput(4775 sats,pkh(5307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a))),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(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),10000 sats,ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8fb030665fd739d4ddb9b4e423eabf05627fa6eb))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),10000 sats,ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f2f249163c06f05a56401355bb0dbe800d69f692))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// all of the UTXO spending information, since we only have</span>
<span class="hljs-comment">// one input, this is just one element</span>
<span class="hljs-keyword">val</span> utxoInfos: <span class="hljs-type">Vector</span>[<span class="hljs-type">ScriptSignatureParams</span>[<span class="hljs-type">InputInfo</span>]] = <span class="hljs-type">Vector</span>(utxoInfo)
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),10000 sats,ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(8fb030665fd739d4ddb9b4e423eabf05627fa6eb))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),10000 sats,ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(f2f249163c06f05a56401355bb0dbe800d69f692))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// Yay! Now we use the RawTxSigner object to sign the tx.</span>
<span class="hljs-comment">// The &#x27;sign&#x27; method is going produce a validly signed transaction</span>
@ -201,7 +201,7 @@ builder += input
}
<span class="hljs-type">Await</span>.result(signedTxF, <span class="hljs-number">30.</span>seconds)
}
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(f68cb76056249edd5de042b1c4b508c8e6c80f62952454211d24b1f611ed741c:0),P2PKHScriptSignature(ECPublicKey(038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8), ECDigitalSignature(304402207138ba31cb81822d9570bad1f9090bc8925da668d2e8ce2088b09239a337241602201b05c2204775c8f697f5ad1acea4c0ddb74c577078b0b296a5ba8ceef00b6cda01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(9eb31f1fc5646e771b31871ecc817307c6a8c582)), TransactionOutput(4775 sats,pkh(4a68a4dfaa5715b53d2f34ec93f9ea230bb393cb))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(51ab88bd9d152928962cb1500ec68c06722967b9a756a62f742e47296d321c29:0),P2PKHScriptSignature(ECPublicKey(03c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f), ECDigitalSignature(30440220637448b2fac31a0145a114429497cc14582c587d77fcb97b0aecdc16da46b3fc02206e3da8f21e0e7f618f092cf6331f0854d59e966d845fbe3c2d01332f44659c5601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(b8ee166dd2d7dfb2c508fa7939520c97cc67b2e5)), TransactionOutput(4775 sats,pkh(5307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a))),UInt32Impl(0))</span>
</code></pre>
<pre><code class="hljs css language-scala">signedTx.inputs.length
<span class="hljs-comment">// res2: Int = 1</span>
@ -211,7 +211,7 @@ signedTx.outputs.length
<span class="hljs-comment">//remember, you can call .hex on any bitcoin-s data structure to get the hex representation!</span>
signedTx.hex
<span class="hljs-comment">// res4: String = 02000000011c74ed11f6b1241d21542495620fc8e6c808b5c4b142e05ddd9e245660b78cf6000000006a47304402207138ba31cb81822d9570bad1f9090bc8925da668d2e8ce2088b09239a337241602201b05c2204775c8f697f5ad1acea4c0ddb74c577078b0b296a5ba8ceef00b6cda0121038d55230b81f1ae7cb9fc9de62a792c0df305c90a7db33154aff10fc9d0d711c8000000000288130000000000001976a9149eb31f1fc5646e771b31871ecc817307c6a8c58288aca7120000000000001976a9144a68a4dfaa5715b53d2f34ec93f9ea230bb393cb88ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001291c326d29472e742fa656a7b9672972068cc60e50b12c962829159dbd88ab51000000006a4730440220637448b2fac31a0145a114429497cc14582c587d77fcb97b0aecdc16da46b3fc02206e3da8f21e0e7f618f092cf6331f0854d59e966d845fbe3c2d01332f44659c56012103c818ef5a09da89bcdf3025a2eaf53c9d87f1748f6a8eff68adcf17b069dbec1f000000000288130000000000001976a914b8ee166dd2d7dfb2c508fa7939520c97cc67b2e588aca7120000000000001976a9145307eeaa88ee7bc7c9bb3b2a0bed991bbaa5828a88ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/psbts"><span class="arrow-prev"></span><span>Partially Signed Bitcoin Transactions</span></a><a class="docs-next button" href="/docs/next/core/lightning-network"><span>Lightning Network Data Types</span><span class="arrow-next"></span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2020 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

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(30450221008cbd25d8498fce0d97cacc6e09f9df2625a639ea20a201a8fd1871e9ec898c7d022010de4ff6a513f07d4ca970beae95cf6d806807e542522a8d69a1fa368cbe4e32)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402204b07fcb9572de843e83c9c9f5d96a96d656fa4b46370fbb0e038d893728e10f402200f6f8c01b75fb8a3da2fa668b9daf71361113f5fda238ee4ba632e6a9c52edc7)</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(30450221009f414beba0a50c02449dfd7624a7b40cbdae7ce61c81d326cd3c8c6ec66aa0af022015dbbf89f608d1ede79a7744d77c7fbf846e1230340d01df309a4de68a61d95e)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30450221008ac60ced9576aa19eed881779c7482d5dda49be9597245beb7b4bd3b14547307022079e986fca976d0932db1c0b78e61fd6446e92dfe916c1145bb527c203d29d7dd)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

View file

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(30450221008cbd25d8498fce0d97cacc6e09f9df2625a639ea20a201a8fd1871e9ec898c7d022010de4ff6a513f07d4ca970beae95cf6d806807e542522a8d69a1fa368cbe4e32)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402204b07fcb9572de843e83c9c9f5d96a96d656fa4b46370fbb0e038d893728e10f402200f6f8c01b75fb8a3da2fa668b9daf71361113f5fda238ee4ba632e6a9c52edc7)</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(30450221009f414beba0a50c02449dfd7624a7b40cbdae7ce61c81d326cd3c8c6ec66aa0af022015dbbf89f608d1ede79a7744d77c7fbf846e1230340d01df309a4de68a61d95e)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30450221008ac60ced9576aa19eed881779c7482d5dda49be9597245beb7b4bd3b14547307022079e986fca976d0932db1c0b78e61fd6446e92dfe916c1145bb527c203d29d7dd)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

View file

@ -120,7 +120,7 @@ libraryDependencies += <span class="hljs-string">&quot;org.bitcoin-s&quot;</span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>0.4.0+199-732c3848-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+200-19c68b77-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">&quot;snapshots&quot;</span>)

View file

@ -120,7 +120,7 @@ libraryDependencies += <span class="hljs-string">&quot;org.bitcoin-s&quot;</span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>0.4.0+199-732c3848-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+200-19c68b77-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">&quot;snapshots&quot;</span>)

View file

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xba4a7ba481fd3465f88ff941875ac55cb74399e30279aa831d9fc9f69d252478)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xced7b956104c651a4033f0c12a423b0013999835f9cdef77b2b07f188ef0378d)</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(ripple, fatigue, truck, advance, spy, cream, timber, you, dose, depart, rally, ride, injury, smooth, metal, execute, pride, body, gun, negative, hawk, myth, music, appear)</span>
<span class="hljs-comment">// Vector(solution, saddle, few, calm, shock, minor, absorb, lawn, scorpion, faith, mom, ability, define, slot, subject, defy, urge, rural, project, wreck, material, job, taste, real)</span>
</code></pre>
<p>Now that we have a <code>MnemonicCode</code> that was securely generated, we need to now create <code>KeyManagerParams</code> which tells us how to generate
generate specific kinds of addresses for wallets.</p>
@ -99,7 +99,7 @@ generate specific kinds of addresses for wallets.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//this will create a temp directory with the prefix &#x27;key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called &quot;encrypted-bitcoin-s-seed.json&quot;</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">&quot;key-manager-example&quot;</span>).resolve(<span class="hljs-type">WalletStorage</span>.<span class="hljs-type">ENCRYPTED_SEED_FILE_NAME</span>)
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example6562751778850714268/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example9104793996224590427/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let&#x27;s create a native segwit key manager</span>
<span class="hljs-keyword">val</span> purpose = <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>
@ -110,19 +110,19 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// network: RegTest.type = RegTest</span>
<span class="hljs-keyword">val</span> kmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, purpose, network)
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6562751778850714268/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example9104793996224590427/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-keyword">val</span> aesPasswordOpt = <span class="hljs-type">Some</span>(<span class="hljs-type">AesPassword</span>.fromString(<span class="hljs-string">&quot;password&quot;</span>))
<span class="hljs-comment">// aesPasswordOpt: Some[AesPassword] = Some(Masked(AesPassword))</span>
<span class="hljs-keyword">val</span> km = <span class="hljs-type">BIP39KeyManager</span>.initializeWithMnemonic(aesPasswordOpt, mnemonic, <span class="hljs-type">None</span>, kmParams)
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@67a5a23d)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@3f204993)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZG1phLfiA5P3yQghN79kaBdC86umxH7XAuukQdnUcQ3sFXdkC1DLscVpXWxMNZoyf11RuKbBJ6WWhv917ZmnKEBscZtBfye</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYsjGS3YBe4wGRLwCDnEA354EkXf8ss3Qn6auXCN5V7WxVprfGqYxqP1dB47U4QcKZkmHrwKKNodYKqUeJs6HhKJbD4H9mGh</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZG1phLfiA5P3yQghN79kaBdC86umxH7XAuukQdnUcQ3sFXdkC1DLscVpXWxMNZoyf11RuKbBJ6WWhv917ZmnKEBscZtBfye</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYsjGS3YBe4wGRLwCDnEA354EkXf8ss3Qn6auXCN5V7WxVprfGqYxqP1dB47U4QcKZkmHrwKKNodYKqUeJs6HhKJbD4H9mGh</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -131,17 +131,17 @@ println(rootXPub)
again after initializing it once. You can use the same <code>mnemonic</code> for different networks, which you control <code>KeyManagerParams</code>.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//let&#x27;s create a nested segwit key manager for mainnet</span>
<span class="hljs-keyword">val</span> mainnetKmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6562751778850714268/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example9104793996224590427/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@9cb9f2</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@1d772505</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxSnJ2mpCzRm4fHGV8b7kEdi5FgVKUJd3PKAfRGSj6egRLMU6Bdq2WAy3XRLbDDEBC9Tgn7FEV3EvBGvhTD3jQ8STAorBAt6</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx4VjmUggURKH7DWyzGC9hX97t7EgPtYvzVqpXq2KyN9Waeh1GUAeTwUrAxVhu42X6uDYjiyNZkMwoCGLeWNEnDZAmQ9FFjt</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxSnJ2mpCzRm4fHGV8b7kEdi5FgVKUJd3PKAfRGSj6egRLMU6Bdq2WAy3XRLbDDEBC9Tgn7FEV3EvBGvhTD3jQ8STAorBAt6</span>
<span class="hljs-comment">// zpub6jftahH18ngZx4VjmUggURKH7DWyzGC9hX97t7EgPtYvzVqpXq2KyN9Waeh1GUAeTwUrAxVhu42X6uDYjiyNZkMwoCGLeWNEnDZAmQ9FFjt</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

View file

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xba4a7ba481fd3465f88ff941875ac55cb74399e30279aa831d9fc9f69d252478)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xced7b956104c651a4033f0c12a423b0013999835f9cdef77b2b07f188ef0378d)</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(ripple, fatigue, truck, advance, spy, cream, timber, you, dose, depart, rally, ride, injury, smooth, metal, execute, pride, body, gun, negative, hawk, myth, music, appear)</span>
<span class="hljs-comment">// Vector(solution, saddle, few, calm, shock, minor, absorb, lawn, scorpion, faith, mom, ability, define, slot, subject, defy, urge, rural, project, wreck, material, job, taste, real)</span>
</code></pre>
<p>Now that we have a <code>MnemonicCode</code> that was securely generated, we need to now create <code>KeyManagerParams</code> which tells us how to generate
generate specific kinds of addresses for wallets.</p>
@ -99,7 +99,7 @@ generate specific kinds of addresses for wallets.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//this will create a temp directory with the prefix &#x27;key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called &quot;encrypted-bitcoin-s-seed.json&quot;</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">&quot;key-manager-example&quot;</span>).resolve(<span class="hljs-type">WalletStorage</span>.<span class="hljs-type">ENCRYPTED_SEED_FILE_NAME</span>)
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example6562751778850714268/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example9104793996224590427/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let&#x27;s create a native segwit key manager</span>
<span class="hljs-keyword">val</span> purpose = <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>
@ -110,19 +110,19 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// network: RegTest.type = RegTest</span>
<span class="hljs-keyword">val</span> kmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, purpose, network)
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6562751778850714268/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example9104793996224590427/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-keyword">val</span> aesPasswordOpt = <span class="hljs-type">Some</span>(<span class="hljs-type">AesPassword</span>.fromString(<span class="hljs-string">&quot;password&quot;</span>))
<span class="hljs-comment">// aesPasswordOpt: Some[AesPassword] = Some(Masked(AesPassword))</span>
<span class="hljs-keyword">val</span> km = <span class="hljs-type">BIP39KeyManager</span>.initializeWithMnemonic(aesPasswordOpt, mnemonic, <span class="hljs-type">None</span>, kmParams)
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@67a5a23d)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@3f204993)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZG1phLfiA5P3yQghN79kaBdC86umxH7XAuukQdnUcQ3sFXdkC1DLscVpXWxMNZoyf11RuKbBJ6WWhv917ZmnKEBscZtBfye</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYsjGS3YBe4wGRLwCDnEA354EkXf8ss3Qn6auXCN5V7WxVprfGqYxqP1dB47U4QcKZkmHrwKKNodYKqUeJs6HhKJbD4H9mGh</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZG1phLfiA5P3yQghN79kaBdC86umxH7XAuukQdnUcQ3sFXdkC1DLscVpXWxMNZoyf11RuKbBJ6WWhv917ZmnKEBscZtBfye</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeYsjGS3YBe4wGRLwCDnEA354EkXf8ss3Qn6auXCN5V7WxVprfGqYxqP1dB47U4QcKZkmHrwKKNodYKqUeJs6HhKJbD4H9mGh</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -131,17 +131,17 @@ println(rootXPub)
again after initializing it once. You can use the same <code>mnemonic</code> for different networks, which you control <code>KeyManagerParams</code>.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//let&#x27;s create a nested segwit key manager for mainnet</span>
<span class="hljs-keyword">val</span> mainnetKmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example6562751778850714268/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example9104793996224590427/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@9cb9f2</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@1d772505</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxSnJ2mpCzRm4fHGV8b7kEdi5FgVKUJd3PKAfRGSj6egRLMU6Bdq2WAy3XRLbDDEBC9Tgn7FEV3EvBGvhTD3jQ8STAorBAt6</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZx4VjmUggURKH7DWyzGC9hX97t7EgPtYvzVqpXq2KyN9Waeh1GUAeTwUrAxVhu42X6uDYjiyNZkMwoCGLeWNEnDZAmQ9FFjt</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxSnJ2mpCzRm4fHGV8b7kEdi5FgVKUJd3PKAfRGSj6egRLMU6Bdq2WAy3XRLbDDEBC9Tgn7FEV3EvBGvhTD3jQ8STAorBAt6</span>
<span class="hljs-comment">// zpub6jftahH18ngZx4VjmUggURKH7DWyzGC9hX97t7EgPtYvzVqpXq2KyN9Waeh1GUAeTwUrAxVhu42X6uDYjiyNZkMwoCGLeWNEnDZAmQ9FFjt</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

View file

@ -114,12 +114,12 @@ println(<span class="hljs-string">s&quot;Verified with NativeSecp256k1 again=<sp
<pre><code class="hljs css language-scala"><span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKeyWithBouncyCastle
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(035415e756dfdae5fd2f1dc5759cb3172dcff44f9664135009c35f174fdb78069b)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02e806c07601321b70d3e0658783d72afc7ea52577357da6e3decfd4fca4fc63ea)</span>
<span class="hljs-keyword">val</span> dataToSign = <span class="hljs-type">DoubleSha256Digest</span>.empty
<span class="hljs-comment">// dataToSign: DoubleSha256Digest = DoubleSha256Digest(0000000000000000000000000000000000000000000000000000000000000000)</span>
<span class="hljs-keyword">val</span> signature = privKey.signWithBouncyCastle(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022001245c7d07273429b4a5d0816c677a832f8d853345687b21285178e2b19f11c502206b9652b19daeaeff37d8e49fcd4c2644a7faaa08eacc787e58984e2c4b5847c2)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100b165a304d3b32ee09cf02451aa4532c3873ed1b624b8424d810a51e6588ff5dc02206ae5eefdf1b71ba796960dd690a296f08ce1bbec14b6de198ddbf411630cc79c)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>

View file

@ -114,12 +114,12 @@ println(<span class="hljs-string">s&quot;Verified with NativeSecp256k1 again=<sp
<pre><code class="hljs css language-scala"><span class="hljs-keyword">val</span> privKey = <span class="hljs-type">ECPrivateKey</span>.freshPrivateKey
<span class="hljs-comment">// privKey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> publicKey = privKey.publicKeyWithBouncyCastle
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(035415e756dfdae5fd2f1dc5759cb3172dcff44f9664135009c35f174fdb78069b)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02e806c07601321b70d3e0658783d72afc7ea52577357da6e3decfd4fca4fc63ea)</span>
<span class="hljs-keyword">val</span> dataToSign = <span class="hljs-type">DoubleSha256Digest</span>.empty
<span class="hljs-comment">// dataToSign: DoubleSha256Digest = DoubleSha256Digest(0000000000000000000000000000000000000000000000000000000000000000)</span>
<span class="hljs-keyword">val</span> signature = privKey.signWithBouncyCastle(dataToSign.bytes)
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3044022001245c7d07273429b4a5d0816c677a832f8d853345687b21285178e2b19f11c502206b9652b19daeaeff37d8e49fcd4c2644a7faaa08eacc787e58984e2c4b5847c2)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100b165a304d3b32ee09cf02451aa4532c3873ed1b624b8424d810a51e6588ff5dc02206ae5eefdf1b71ba796960dd690a296f08ce1bbec14b6de198ddbf411630cc79c)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>