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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(02fc6b74956a32e8d9faaf3312a72ac58bc696d1cadf64331c91c4543822d12fb6)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0270d81cae54eb7723665089cb79a1b1db2f2f01c1c00ff7e8c90f29eecd68a420)</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 = tb1q3avrt0aayk66ypw4yy5c88eqaac8ngynv9r9ga</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qe66d9pqrgy65x07dga8tah6pxsd5vdnzjcldqa</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q3avrt0aayk66ypw4yy5c88eqaac8ngynv9r9ga</span>
<span class="hljs-comment">// tb1qe66d9pqrgy65x07dga8tah6pxsd5vdnzjcldqa</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 = mtatbRNbC4CWHvj2Rsdf2945aAr1vvpa4u</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mzMv7Ktz7ZGoc1m117ekCuqdL7qgw9z2WP</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mtatbRNbC4CWHvj2Rsdf2945aAr1vvpa4u</span>
<span class="hljs-comment">// mzMv7Ktz7ZGoc1m117ekCuqdL7qgw9z2WP</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev"></span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"></span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

View file

@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(02fc6b74956a32e8d9faaf3312a72ac58bc696d1cadf64331c91c4543822d12fb6)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0270d81cae54eb7723665089cb79a1b1db2f2f01c1c00ff7e8c90f29eecd68a420)</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 = tb1q3avrt0aayk66ypw4yy5c88eqaac8ngynv9r9ga</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qe66d9pqrgy65x07dga8tah6pxsd5vdnzjcldqa</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1q3avrt0aayk66ypw4yy5c88eqaac8ngynv9r9ga</span>
<span class="hljs-comment">// tb1qe66d9pqrgy65x07dga8tah6pxsd5vdnzjcldqa</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 = mtatbRNbC4CWHvj2Rsdf2945aAr1vvpa4u</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mzMv7Ktz7ZGoc1m117ekCuqdL7qgw9z2WP</span>
println(legacyAddress.toString)
<span class="hljs-comment">// mtatbRNbC4CWHvj2Rsdf2945aAr1vvpa4u</span>
<span class="hljs-comment">// mzMv7Ktz7ZGoc1m117ekCuqdL7qgw9z2WP</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/core-intro"><span class="arrow-prev"></span><span>Core Module</span></a><a class="docs-next button" href="/docs/next/core/hd-keys"><span>HD Key Generation</span><span class="arrow-next"></span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#generating-segwit-bech32-addresses">Generating SegWit (bech32) addresses</a></li><li><a href="#generating-legacy-base58-addresses">Generating legacy (base58) addresses</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

View file

@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xb28175bdfc1e2be7424909364c701246be5e6eb52ad81f451130dff8ab4a9065)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xec443167e5c8711c39f2c4f0c513520b297ec9e2b45d1e0e7cdbe22f12db6f61)</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(raw, arm, hunt, wealth, tired, victory, ankle, cancel, curve, glory, afraid, miracle, tourist, dance, start, force, butter, chuckle, equip, say, melt, pipe, dose, rich) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(unable, canoe, fly, slide, mandate, mix, treat, flat, valid, chuckle, stand, bind, obey, gossip, member, merry, bulk, initial, dad, session, van, horror, rural, disease) // 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 = zpub6jftahH18ngZxuh4Q9pfEsbsRWCR3PwXrqPyATb6ygZbPH6TEkECZCVrbeAqdnoqbHnDAKGCbguoZJvwo7RG73ZMnteweWAmASsXdaYVyMP</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZyWx245cpXT74zn8uHS2sTJjcfCsA4xnDDcvVZCYp6C7XJubgHyUCKqqqu1nNK2zvdzYZh2xNuTRpc6c78XpgtALiTMCDDEW</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 = zpub6rWT4FgmJZuontagZbkCVXxnPRqknEh7vE9zxgibnnoYHGTdruR1quHT332SFk4kbr9J4v8Th1ud5Noxed5mprPngpPjtuoZdcDgUZgTwqs</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qZTjvEQaGjdbZpfka8GfKzJB6PFY9tA7ofAEYWwAUfU1p8n1CGukwu85a8a6VsEZfXLTFQhfn6KBuRyKf8hD7A5jhqiuGo7fg3o2Z9hTNp</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 = tb1qjerwp6jj2k8205t7j6wh439jc60ydfwtcw4ngs</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qntjpvkyv2f3lenu36pzqknudvrdmf0zweh4lyx</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 = tb1qjerwp6jj2k8205t7j6wh439jc60ydfwtcw4ngs</span>
<span class="hljs-comment">// res2: String = tb1qntjpvkyv2f3lenu36pzqknudvrdmf0zweh4lyx</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, 0xb28175bdfc1e2be7424909364c701246be5e6eb52ad81f451130dff8ab4a9065)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xec443167e5c8711c39f2c4f0c513520b297ec9e2b45d1e0e7cdbe22f12db6f61)</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(raw, arm, hunt, wealth, tired, victory, ankle, cancel, curve, glory, afraid, miracle, tourist, dance, start, force, butter, chuckle, equip, say, melt, pipe, dose, rich) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(unable, canoe, fly, slide, mandate, mix, treat, flat, valid, chuckle, stand, bind, obey, gossip, member, merry, bulk, initial, dad, session, van, horror, rural, disease) // 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 = zpub6jftahH18ngZxuh4Q9pfEsbsRWCR3PwXrqPyATb6ygZbPH6TEkECZCVrbeAqdnoqbHnDAKGCbguoZJvwo7RG73ZMnteweWAmASsXdaYVyMP</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZyWx245cpXT74zn8uHS2sTJjcfCsA4xnDDcvVZCYp6C7XJubgHyUCKqqqu1nNK2zvdzYZh2xNuTRpc6c78XpgtALiTMCDDEW</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 = zpub6rWT4FgmJZuontagZbkCVXxnPRqknEh7vE9zxgibnnoYHGTdruR1quHT332SFk4kbr9J4v8Th1ud5Noxed5mprPngpPjtuoZdcDgUZgTwqs</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6qZTjvEQaGjdbZpfka8GfKzJB6PFY9tA7ofAEYWwAUfU1p8n1CGukwu85a8a6VsEZfXLTFQhfn6KBuRyKf8hD7A5jhqiuGo7fg3o2Z9hTNp</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 = tb1qjerwp6jj2k8205t7j6wh439jc60ydfwtcw4ngs</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qntjpvkyv2f3lenu36pzqknudvrdmf0zweh4lyx</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 = tb1qjerwp6jj2k8205t7j6wh439jc60ydfwtcw4ngs</span>
<span class="hljs-comment">// res2: String = tb1qntjpvkyv2f3lenu36pzqknudvrdmf0zweh4lyx</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$$anon$3@10698e48[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@62d742de[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(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7)</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(c543241c8638626fd9dd10b02f5134931ae55a40)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902)</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(c543241c8638626fd9dd10b02f5134931ae55a40))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902))</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(eb819298c42075280d11b426a16061f00ecdf713)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53)</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(eb819298c42075280d11b426a16061f00ecdf713)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53)))</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(c543241c8638626fd9dd10b02f5134931ae55a40))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0)</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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb819298c42075280d11b426a16061f00ecdf713))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),10000 sats,ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),10000 sats,ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7))</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(1e6dbb1fa5b7956309a02dd55b9995643b4ba9a5)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(879b0d029890bdcab28006f929e21268f88c4085)</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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),10000 sats,ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f))),1 sats/byte,pkh(1e6dbb1fa5b7956309a02dd55b9995643b4ba9a5))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),10000 sats,ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7))),1 sats/byte,pkh(879b0d029890bdcab28006f929e21268f88c4085))</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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb819298c42075280d11b426a16061f00ecdf713)), TransactionOutput(4775 sats,pkh(1e6dbb1fa5b7956309a02dd55b9995643b4ba9a5))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53)), TransactionOutput(4775 sats,pkh(879b0d029890bdcab28006f929e21268f88c4085))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),10000 sats,ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c543241c8638626fd9dd10b02f5134931ae55a40))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),10000 sats,ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),10000 sats,ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c543241c8638626fd9dd10b02f5134931ae55a40))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),10000 sats,ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),P2PKHScriptSignature(ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f), ECDigitalSignature(3044022061a7e63c6e5c864558c11b8782aa0ca43337132935d2951dd13670a8bdfe77b902207388b8a0bf0caacd2aed9caa2bb2e760810b619ee641da75154c3b76e34d336601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb819298c42075280d11b426a16061f00ecdf713)), TransactionOutput(4775 sats,pkh(1e6dbb1fa5b7956309a02dd55b9995643b4ba9a5))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),P2PKHScriptSignature(ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7), ECDigitalSignature(304402206eeda5ce464051e1b83735bf4c7e5756bc4535e24eba0a480c4cf7a53632b81d022051d9c074ab5a8e745bdf17c0f4f46642e5944f54a2b65c7de6e7d3d98e44008801)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53)), TransactionOutput(4775 sats,pkh(879b0d029890bdcab28006f929e21268f88c4085))),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 = 0200000001cc78a40378540c672ac220a6ae7f10465e6e2cd4b62a59ee60f047ce9f5e3518000000006a473044022061a7e63c6e5c864558c11b8782aa0ca43337132935d2951dd13670a8bdfe77b902207388b8a0bf0caacd2aed9caa2bb2e760810b619ee641da75154c3b76e34d3366012103b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f000000000288130000000000001976a914eb819298c42075280d11b426a16061f00ecdf71388aca7120000000000001976a9141e6dbb1fa5b7956309a02dd55b9995643b4ba9a588ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001f3f3bf3ee577165d3b849ff5ba930d1b5086ae0e4f3dd7ba7f9c99d0dba669cc000000006a47304402206eeda5ce464051e1b83735bf4c7e5756bc4535e24eba0a480c4cf7a53632b81d022051d9c074ab5a8e745bdf17c0f4f46642e5944f54a2b65c7de6e7d3d98e4400880121026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7000000000288130000000000001976a91407d2e97945fe5869ec1bb1eda76816d96bfe6a5388aca7120000000000001976a914879b0d029890bdcab28006f929e21268f88c408588ac00000000</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$$anon$3@10698e48[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@62d742de[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(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7)</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(c543241c8638626fd9dd10b02f5134931ae55a40)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902)</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(c543241c8638626fd9dd10b02f5134931ae55a40))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902))</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(eb819298c42075280d11b426a16061f00ecdf713)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53)</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(eb819298c42075280d11b426a16061f00ecdf713)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53)))</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(c543241c8638626fd9dd10b02f5134931ae55a40))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0)</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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb819298c42075280d11b426a16061f00ecdf713))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),10000 sats,ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),10000 sats,ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7))</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(1e6dbb1fa5b7956309a02dd55b9995643b4ba9a5)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(879b0d029890bdcab28006f929e21268f88c4085)</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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),10000 sats,ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f))),1 sats/byte,pkh(1e6dbb1fa5b7956309a02dd55b9995643b4ba9a5))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),10000 sats,ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7))),1 sats/byte,pkh(879b0d029890bdcab28006f929e21268f88c4085))</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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb819298c42075280d11b426a16061f00ecdf713)), TransactionOutput(4775 sats,pkh(1e6dbb1fa5b7956309a02dd55b9995643b4ba9a5))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53)), TransactionOutput(4775 sats,pkh(879b0d029890bdcab28006f929e21268f88c4085))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),10000 sats,ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c543241c8638626fd9dd10b02f5134931ae55a40))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),10000 sats,ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),10000 sats,ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(c543241c8638626fd9dd10b02f5134931ae55a40))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),10000 sats,ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(6f6f10668300bf1eb11e9e3fb96fe98d379b8902))),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(18355e9fce47f060ee592ab6d42c6e5e46107faea620c22a670c547803a478cc:0),P2PKHScriptSignature(ECPublicKey(03b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f), ECDigitalSignature(3044022061a7e63c6e5c864558c11b8782aa0ca43337132935d2951dd13670a8bdfe77b902207388b8a0bf0caacd2aed9caa2bb2e760810b619ee641da75154c3b76e34d336601)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(eb819298c42075280d11b426a16061f00ecdf713)), TransactionOutput(4775 sats,pkh(1e6dbb1fa5b7956309a02dd55b9995643b4ba9a5))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(cc69a6dbd0999c7fbad73d4f0eae86501b0d93baf59f843b5d1677e53ebff3f3:0),P2PKHScriptSignature(ECPublicKey(026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7), ECDigitalSignature(304402206eeda5ce464051e1b83735bf4c7e5756bc4535e24eba0a480c4cf7a53632b81d022051d9c074ab5a8e745bdf17c0f4f46642e5944f54a2b65c7de6e7d3d98e44008801)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(07d2e97945fe5869ec1bb1eda76816d96bfe6a53)), TransactionOutput(4775 sats,pkh(879b0d029890bdcab28006f929e21268f88c4085))),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 = 0200000001cc78a40378540c672ac220a6ae7f10465e6e2cd4b62a59ee60f047ce9f5e3518000000006a473044022061a7e63c6e5c864558c11b8782aa0ca43337132935d2951dd13670a8bdfe77b902207388b8a0bf0caacd2aed9caa2bb2e760810b619ee641da75154c3b76e34d3366012103b80ea4976f70479b0a822416955fbabeee3bff3ae6dc7e787231265eed4cca4f000000000288130000000000001976a914eb819298c42075280d11b426a16061f00ecdf71388aca7120000000000001976a9141e6dbb1fa5b7956309a02dd55b9995643b4ba9a588ac00000000</span>
<span class="hljs-comment">// res4: String = 0200000001f3f3bf3ee577165d3b849ff5ba930d1b5086ae0e4f3dd7ba7f9c99d0dba669cc000000006a47304402206eeda5ce464051e1b83735bf4c7e5756bc4535e24eba0a480c4cf7a53632b81d022051d9c074ab5a8e745bdf17c0f4f46642e5944f54a2b65c7de6e7d3d98e4400880121026dc7fffe2ad7863dcbf3834853cf1c88ab9b762ce208f8fa37cdd9b2d61948f7000000000288130000000000001976a91407d2e97945fe5869ec1bb1eda76816d96bfe6a5388aca7120000000000001976a914879b0d029890bdcab28006f929e21268f88c408588ac00000000</span>
</code></pre>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/psbts"><span class="arrow-prev"></span><span>Partially Signed Bitcoin Transactions</span></a><a class="docs-next button" href="/docs/next/core/lightning-network"><span>Lightning Network Data Types</span><span class="arrow-next"></span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
document.addEventListener('keyup', function(e) {

View file

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100e37af26908f202d9d6a63905bd4d72197399fd6469088671450821877076835002207362ee4fc3dc414200203793b60b5cfb2fd74b8c13a2e5755c8ca96193b4cbc0)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100fe53bf0dad2ea6437db59561c1ace74f02b537bbb9fcb92637863a02107cfb5c02207c6c23c702602ef63a6808b41e52a32ef13ac271d150449b2a34a428b6460112)</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(3045022100b403e6ca806dc3dd17f0686e578e8ffa75f959f38b32af1b7364147407bcb224022064886600f2d9fc939489fa4b7610693c59e1c3648f20f59c71379acd3e276049)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100e08e04661750a75c2b1a1986d7832846818c2a58b22c3486842617e4ced9c03802205f0ca087509e5d70b37c1a5a64c7274ffd9cdf8a5308b6722b823de64862ec44)</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(3045022100e37af26908f202d9d6a63905bd4d72197399fd6469088671450821877076835002207362ee4fc3dc414200203793b60b5cfb2fd74b8c13a2e5755c8ca96193b4cbc0)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100fe53bf0dad2ea6437db59561c1ace74f02b537bbb9fcb92637863a02107cfb5c02207c6c23c702602ef63a6808b41e52a32ef13ac271d150449b2a34a428b6460112)</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(3045022100b403e6ca806dc3dd17f0686e578e8ffa75f959f38b32af1b7364147407bcb224022064886600f2d9fc939489fa4b7610693c59e1c3648f20f59c71379acd3e276049)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(3045022100e08e04661750a75c2b1a1986d7832846818c2a58b22c3486842617e4ced9c03802205f0ca087509e5d70b37c1a5a64c7274ffd9cdf8a5308b6722b823de64862ec44)</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+235-94c71543-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+236-27e50b2c-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+235-94c71543-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+236-27e50b2c-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, 0x225f0d895f13b5ecb75975ae40ecb3beb5de8d762f1edbe1254b6fa7a856f02b)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x71c13538c20b2ba87f2b927a12664d82f1e36c2f0d81ce3fc41358951e454595)</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(car, wear, girl, sail, deputy, wagon, talent, concert, purity, alter, coconut, latin, fuel, effort, suffer, toilet, swim, ankle, fan, tent, kind, clock, scheme, ice)</span>
<span class="hljs-comment">// Vector(impact, answer, evolve, lottery, razor, stage, witness, inch, key, nasty, nature, album, bullet, render, rotate, rabbit, soda, wreck, age, raise, faint, cargo, bind, predict)</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-example7740888538552415015/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example7813068256000052255/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-example7740888538552415015/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7813068256000052255/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@12ce4d8a)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@76dea2de)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZSjFDn5irwFECgST2jLituU4XJRKTx7D8Hp4L3Tvsf5VdmPRrRtzbbrVehBj87vPYUwFqjSNLj2L1C2sPa1opxXYaNvhUWQ</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZJrXUmxQ2mLzt2L11xxfYFYUbToCJ9Qgpvoaxr2JXtW7ZBGFCk8mpXghgKgeS96KJ1r1ktr2LFFGwxnb3pNADNHEKPkSz4X</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZSjFDn5irwFECgST2jLituU4XJRKTx7D8Hp4L3Tvsf5VdmPRrRtzbbrVehBj87vPYUwFqjSNLj2L1C2sPa1opxXYaNvhUWQ</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZJrXUmxQ2mLzt2L11xxfYFYUbToCJ9Qgpvoaxr2JXtW7ZBGFCk8mpXghgKgeS96KJ1r1ktr2LFFGwxnb3pNADNHEKPkSz4X</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-example7740888538552415015/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7813068256000052255/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@73cfec15</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@4e9a5ff5</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxdViZDEDhHdEtZ2EoDJiZMYweszryycjLh4yLg8BMui3ibDmr4WgEAKiebZxxmLb5dPWiX6RXfkjUYpZjDHkurn88jdw5yL</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxVczpD6ts7j1ZtunnSvfChdMj3NjpAvD3L4VyUgZ298fe16bCNkTT69vgE4tGnWWqAJGdgW5XBygRKaHPTe7JGXosjo1zqv</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxdViZDEDhHdEtZ2EoDJiZMYweszryycjLh4yLg8BMui3ibDmr4WgEAKiebZxxmLb5dPWiX6RXfkjUYpZjDHkurn88jdw5yL</span>
<span class="hljs-comment">// zpub6jftahH18ngZxVczpD6ts7j1ZtunnSvfChdMj3NjpAvD3L4VyUgZ298fe16bCNkTT69vgE4tGnWWqAJGdgW5XBygRKaHPTe7JGXosjo1zqv</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, 0x225f0d895f13b5ecb75975ae40ecb3beb5de8d762f1edbe1254b6fa7a856f02b)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x71c13538c20b2ba87f2b927a12664d82f1e36c2f0d81ce3fc41358951e454595)</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(car, wear, girl, sail, deputy, wagon, talent, concert, purity, alter, coconut, latin, fuel, effort, suffer, toilet, swim, ankle, fan, tent, kind, clock, scheme, ice)</span>
<span class="hljs-comment">// Vector(impact, answer, evolve, lottery, razor, stage, witness, inch, key, nasty, nature, album, bullet, render, rotate, rabbit, soda, wreck, age, raise, faint, cargo, bind, predict)</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-example7740888538552415015/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example7813068256000052255/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-example7740888538552415015/encrypted-bitcoin-s-seed.json,m/84&#x27;,RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7813068256000052255/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@12ce4d8a)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@76dea2de)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZSjFDn5irwFECgST2jLituU4XJRKTx7D8Hp4L3Tvsf5VdmPRrRtzbbrVehBj87vPYUwFqjSNLj2L1C2sPa1opxXYaNvhUWQ</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZJrXUmxQ2mLzt2L11xxfYFYUbToCJ9Qgpvoaxr2JXtW7ZBGFCk8mpXghgKgeS96KJ1r1ktr2LFFGwxnb3pNADNHEKPkSz4X</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZSjFDn5irwFECgST2jLituU4XJRKTx7D8Hp4L3Tvsf5VdmPRrRtzbbrVehBj87vPYUwFqjSNLj2L1C2sPa1opxXYaNvhUWQ</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZJrXUmxQ2mLzt2L11xxfYFYUbToCJ9Qgpvoaxr2JXtW7ZBGFCk8mpXghgKgeS96KJ1r1ktr2LFFGwxnb3pNADNHEKPkSz4X</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-example7740888538552415015/encrypted-bitcoin-s-seed.json,m/84&#x27;,MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example7813068256000052255/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@73cfec15</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@4e9a5ff5</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxdViZDEDhHdEtZ2EoDJiZMYweszryycjLh4yLg8BMui3ibDmr4WgEAKiebZxxmLb5dPWiX6RXfkjUYpZjDHkurn88jdw5yL</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxVczpD6ts7j1ZtunnSvfChdMj3NjpAvD3L4VyUgZ298fe16bCNkTT69vgE4tGnWWqAJGdgW5XBygRKaHPTe7JGXosjo1zqv</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxdViZDEDhHdEtZ2EoDJiZMYweszryycjLh4yLg8BMui3ibDmr4WgEAKiebZxxmLb5dPWiX6RXfkjUYpZjDHkurn88jdw5yL</span>
<span class="hljs-comment">// zpub6jftahH18ngZxVczpD6ts7j1ZtunnSvfChdMj3NjpAvD3L4VyUgZ298fe16bCNkTT69vgE4tGnWWqAJGdgW5XBygRKaHPTe7JGXosjo1zqv</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(02e53ad72cf408c3aa2bad75927357ccad1990e6cbfbb731dc413884090abfca1f)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02f0baaacfdc4cdc7e0705c41e1995b833f5f7f1d324da459ee0e9c2efeddcad8e)</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(304402204e7b43dcc486b24a6eca7e9cdcf83a6c4978c1976ad9aec59545d9f1bd20af85022032b534cf7999b6eab5ce71934535773136d74fe3f3b84cf340edec2d53d2408e)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402200c667a8902d349250e77cd5a1009e8fb788b2b8e76d813f604bfb7bb6d157e4a022029246e989c47e9276e16dcd196c6028abc62a14afc92e56de445841414b9acd8)</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(02e53ad72cf408c3aa2bad75927357ccad1990e6cbfbb731dc413884090abfca1f)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(02f0baaacfdc4cdc7e0705c41e1995b833f5f7f1d324da459ee0e9c2efeddcad8e)</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(304402204e7b43dcc486b24a6eca7e9cdcf83a6c4978c1976ad9aec59545d9f1bd20af85022032b534cf7999b6eab5ce71934535773136d74fe3f3b84cf340edec2d53d2408e)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(304402200c667a8902d349250e77cd5a1009e8fb788b2b8e76d813f604bfb7bb6d157e4a022029246e989c47e9276e16dcd196c6028abc62a14afc92e56de445841414b9acd8)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>