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2
docs/next/config/configuration.html
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@ -246,7 +246,7 @@ to ensure the entire module is initialized correctly.</p>
<span class="hljs-comment"># bip39password = "changeMe"</span>
<span class="hljs-comment"># Password that your seed is encrypted with</span>
<span class="hljs-attr">aespassword</span> = changeMe
<span class="hljs-attr">aesPassword</span> = changeMe
}
<span class="hljs-comment"># Bitcoin-S provides manny different fee providers</span>

2
docs/next/config/configuration/index.html
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@ -246,7 +246,7 @@ to ensure the entire module is initialized correctly.</p>
<span class="hljs-comment"># bip39password = "changeMe"</span>
<span class="hljs-comment"># Password that your seed is encrypted with</span>
<span class="hljs-attr">aespassword</span> = changeMe
<span class="hljs-attr">aesPassword</span> = changeMe
}
<span class="hljs-comment"># Bitcoin-S provides manny different fee providers</span>

10
docs/next/core/addresses.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(036bf011433f2675d1a77f5fd79bb209afbb37fcbfc1870fd9365d1f1b47b74631)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(033034710659608ac4458bdbbfa20ed3bcc675e3c686b9cb1de389d166c395f657)</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 = tb1qayzg47ld8j338l2l3cgurrmlmvg9mmsvml5shn</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q7cpf7rml7xfrehpzhtjfhdg25x3n7ze65kl9yd</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qayzg47ld8j338l2l3cgurrmlmvg9mmsvml5shn</span>
<span class="hljs-comment">// tb1q7cpf7rml7xfrehpzhtjfhdg25x3n7ze65kl9yd</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="generating-legacy-base58-addresses"></a><a href="#generating-legacy-base58-addresses" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Generating legacy (base58) addresses</h2>
<p>If you need to generate legacy addresses for backwards
@ -101,10 +101,10 @@ Take a look:</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">// we're reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don't do this in an actual application!</span>
<span class="hljs-keyword">val</span> legacyAddress = <span class="hljs-type">P2PKHAddress</span>(pubkey, <span class="hljs-type">TestNet3</span>)
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n2m3BPzQjqCorwLHmDtfHKKNotXXWEn3nJ</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n3wjfNrF3RFBbxr7FdQMpEsgUQQrjXq7YG</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n2m3BPzQjqCorwLHmDtfHKKNotXXWEn3nJ</span>
<span class="hljs-comment">// n3wjfNrF3RFBbxr7FdQMpEsgUQQrjXq7YG</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) {

10
docs/next/core/addresses/index.html
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@ -80,7 +80,7 @@ reason to keep using legacy transaction formats.</p>
<span class="hljs-keyword">val</span> privkey = <span class="hljs-type">ECPrivateKey</span>()
<span class="hljs-comment">// privkey: ECPrivateKey = Masked(ECPrivateKeyImpl)</span>
<span class="hljs-keyword">val</span> pubkey = privkey.publicKey
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(036bf011433f2675d1a77f5fd79bb209afbb37fcbfc1870fd9365d1f1b47b74631)</span>
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(033034710659608ac4458bdbbfa20ed3bcc675e3c686b9cb1de389d166c395f657)</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 = tb1qayzg47ld8j338l2l3cgurrmlmvg9mmsvml5shn</span>
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1q7cpf7rml7xfrehpzhtjfhdg25x3n7ze65kl9yd</span>
println(segwitAddress.toString)
<span class="hljs-comment">// tb1qayzg47ld8j338l2l3cgurrmlmvg9mmsvml5shn</span>
<span class="hljs-comment">// tb1q7cpf7rml7xfrehpzhtjfhdg25x3n7ze65kl9yd</span>
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="generating-legacy-base58-addresses"></a><a href="#generating-legacy-base58-addresses" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Generating legacy (base58) addresses</h2>
<p>If you need to generate legacy addresses for backwards
@ -101,10 +101,10 @@ Take a look:</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">// we're reusing the same private/public key pair</span>
<span class="hljs-comment">// from before. don't do this in an actual application!</span>
<span class="hljs-keyword">val</span> legacyAddress = <span class="hljs-type">P2PKHAddress</span>(pubkey, <span class="hljs-type">TestNet3</span>)
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n2m3BPzQjqCorwLHmDtfHKKNotXXWEn3nJ</span>
<span class="hljs-comment">// legacyAddress: P2PKHAddress = n3wjfNrF3RFBbxr7FdQMpEsgUQQrjXq7YG</span>
println(legacyAddress.toString)
<span class="hljs-comment">// n2m3BPzQjqCorwLHmDtfHKKNotXXWEn3nJ</span>
<span class="hljs-comment">// n3wjfNrF3RFBbxr7FdQMpEsgUQQrjXq7YG</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) {

12
docs/next/core/hd-keys.html
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@ -86,13 +86,13 @@ use that to generate further private and public keys:</p>
<span class="hljs-comment">// how long our phrase ends up being</span>
<span class="hljs-comment">// 256 bits of entropy results in 24 words</span>
<span class="hljs-keyword">val</span> entropy: <span class="hljs-type">BitVector</span> = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xb7ff25bb6406d6bbd8a00fef1d468e334562cad65d7fc42c753c6bb2e3f0070f)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xc2c04e7b9e1bc76c7422925371f33ba21d6ae0b534dd6c16a6904dcf1e6d1d7f)</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(retire, weird, human, siege, hope, fuel, glad, acid, upper, tuition, phone, grief, file, grace, floor, quiz, service, glove, excuse, student, comfort, way, bring, twelve) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(security, act, page, destroy, round, renew, spatial, false, fat, moon, solve, during, stove, icon, state, option, hire, release, piano, oppose, vehicle, custom, invest, vote) // 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 = zpub6jftahH18ngZwkmGLU81saBy6LDSDjCeV9mpwFVwvA6X8TC1xww19n7hKEFjCvYXykABZXPtnz1gDRxu48iahD6X1Dmhez3FRwNRCkei1tH</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxMfgPGdGWuaSENgrJZdmfUWRxvruMXWLhEZu1RHoAn1QhcDsQmjiVnqdsLVC8PZDN4VM54d4sbSHegABrxduW5Tyhem7c8L</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 = zpub6r6b1YpT3PvHWKn5ePw8KjHSZsc9L8rAi9bAqVXMhhHB2WM7tiXf1QVM8eWkJts9P14RvnSJ4gdNua373xSzBzCg3JTEv8N3X8ygXLPD8PY</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r4hwjHcKTDwsgTquD9nZjmDMHRQdA8mqbp8ZfiivrGhfcwvvDj8W5dcBYJ8ZL2mPE7bCMY5SYyb9mAQSEqL96A29sFSfLTnowfW9A4DLk3</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 = tb1q5vpk0xcdzh2ze5us9jekqtlam6x4579fvns4zx</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q35pjx647mtq7lh49l56x4k5qj80gmwtau73ece</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 = tb1q5vpk0xcdzh2ze5us9jekqtlam6x4579fvns4zx</span>
<span class="hljs-comment">// res2: String = tb1q35pjx647mtq7lh49l56x4k5qj80gmwtau73ece</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>

12
docs/next/core/hd-keys/index.html
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, 0xb7ff25bb6406d6bbd8a00fef1d468e334562cad65d7fc42c753c6bb2e3f0070f)</span>
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xc2c04e7b9e1bc76c7422925371f33ba21d6ae0b534dd6c16a6904dcf1e6d1d7f)</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(retire, weird, human, siege, hope, fuel, glad, acid, upper, tuition, phone, grief, file, grace, floor, quiz, service, glove, excuse, student, comfort, way, bring, twelve) // the phrase the user should write down</span>
<span class="hljs-comment">// res0: Vector[String] = Vector(security, act, page, destroy, round, renew, spatial, false, fat, moon, solve, during, stove, icon, state, option, hire, release, piano, oppose, vehicle, custom, invest, vote) // 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 = zpub6jftahH18ngZwkmGLU81saBy6LDSDjCeV9mpwFVwvA6X8TC1xww19n7hKEFjCvYXykABZXPtnz1gDRxu48iahD6X1Dmhez3FRwNRCkei1tH</span>
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZxMfgPGdGWuaSENgrJZdmfUWRxvruMXWLhEZu1RHoAn1QhcDsQmjiVnqdsLVC8PZDN4VM54d4sbSHegABrxduW5Tyhem7c8L</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 = zpub6r6b1YpT3PvHWKn5ePw8KjHSZsc9L8rAi9bAqVXMhhHB2WM7tiXf1QVM8eWkJts9P14RvnSJ4gdNua373xSzBzCg3JTEv8N3X8ygXLPD8PY</span>
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6r4hwjHcKTDwsgTquD9nZjmDMHRQdA8mqbp8ZfiivrGhfcwvvDj8W5dcBYJ8ZL2mPE7bCMY5SYyb9mAQSEqL96A29sFSfLTnowfW9A4DLk3</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 = tb1q5vpk0xcdzh2ze5us9jekqtlam6x4579fvns4zx</span>
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1q35pjx647mtq7lh49l56x4k5qj80gmwtau73ece</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 = tb1q5vpk0xcdzh2ze5us9jekqtlam6x4579fvns4zx</span>
<span class="hljs-comment">// res2: String = tb1q35pjx647mtq7lh49l56x4k5qj80gmwtau73ece</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>

36
docs/next/core/txbuilder.html
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$$anon$3@4327a24b[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 39, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@2e518bd4[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(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05)</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(2962e3dda72c68611448ee1b871798d8b0653a00)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7)</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(2962e3dda72c68611448ee1b871798d8b0653a00))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7))</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(3a2caae945da76cdbf3bade559749a6288f4a59b)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(f63a7928648d99f2c7f7ec9770368502de4a202c)</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(3a2caae945da76cdbf3bade559749a6288f4a59b)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(f63a7928648d99f2c7f7ec9770368502de4a202c)))</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(2962e3dda72c68611448ee1b871798d8b0653a00))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly "link" it in the transaction we are creating</span>
<span class="hljs-keyword">val</span> outPoint = <span class="hljs-type">TransactionOutPoint</span>(creditingTx.txId, <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0)</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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3a2caae945da76cdbf3bade559749a6288f4a59b))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f63a7928648d99f2c7f7ec9770368502de4a202c))),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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),10000 sats,ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),10000 sats,ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05))</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(8ea549138dbd9dcbf3dab19f6c450dad717a6288)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(28be3d6dd0d46ef48303d8f72334dff1eb91abbd)</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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),10000 sats,ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912))),1 sats/byte,pkh(8ea549138dbd9dcbf3dab19f6c450dad717a6288))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),10000 sats,ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05))),1 sats/byte,pkh(28be3d6dd0d46ef48303d8f72334dff1eb91abbd))</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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3a2caae945da76cdbf3bade559749a6288f4a59b)), TransactionOutput(4775 sats,pkh(8ea549138dbd9dcbf3dab19f6c450dad717a6288))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f63a7928648d99f2c7f7ec9770368502de4a202c)), TransactionOutput(4775 sats,pkh(28be3d6dd0d46ef48303d8f72334dff1eb91abbd))),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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),10000 sats,ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2962e3dda72c68611448ee1b871798d8b0653a00))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),10000 sats,ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7))),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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),10000 sats,ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2962e3dda72c68611448ee1b871798d8b0653a00))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),10000 sats,ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7))),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 'sign' 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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),P2PKHScriptSignature(ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912), ECDigitalSignature(30440220194d583cd42787615c92a8ecf422f542e1e4fda5e1e512577884af624818fc8702200e4969860625a779c3f56cfea7e21ad132610c40fdc9e3c4d9173c2861982d6401)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3a2caae945da76cdbf3bade559749a6288f4a59b)), TransactionOutput(4775 sats,pkh(8ea549138dbd9dcbf3dab19f6c450dad717a6288))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),P2PKHScriptSignature(ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05), ECDigitalSignature(3044022006fd40e10944d6bcda0b6000f87d95ce4d02ea29307d408d4223f3db684b62d0022061943efb97e25099b43187a7eaff73da49031b65326323a430be63c54cb09c5d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f63a7928648d99f2c7f7ec9770368502de4a202c)), TransactionOutput(4775 sats,pkh(28be3d6dd0d46ef48303d8f72334dff1eb91abbd))),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 = 0200000001766eef3840045a5f60eb3f6f548fcdc1fc504b444ad2d7d343201943bb9a44fc000000006a4730440220194d583cd42787615c92a8ecf422f542e1e4fda5e1e512577884af624818fc8702200e4969860625a779c3f56cfea7e21ad132610c40fdc9e3c4d9173c2861982d6401210257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912000000000288130000000000001976a9143a2caae945da76cdbf3bade559749a6288f4a59b88aca7120000000000001976a9148ea549138dbd9dcbf3dab19f6c450dad717a628888ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000162927cb5985f978c67dbbca4cbb82c47677255b4d757f425ce6032eca411bdc9000000006a473044022006fd40e10944d6bcda0b6000f87d95ce4d02ea29307d408d4223f3db684b62d0022061943efb97e25099b43187a7eaff73da49031b65326323a430be63c54cb09c5d0121025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05000000000288130000000000001976a914f63a7928648d99f2c7f7ec9770368502de4a202c88aca7120000000000001976a91428be3d6dd0d46ef48303d8f72334dff1eb91abbd88ac00000000</span>
</code></pre>
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</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/bitcoin-s/bitcoin-s/blob/master/docs/core/txbuilder.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">TxBuilder Example</h1></header><article><div><span><p>Bitcoin-S features a transaction building API that allows you to construct and sign Bitcoin transactions. Here's an example of how to use it</p>
<pre><code class="hljs css language-scala"><span class="hljs-keyword">implicit</span> <span class="hljs-keyword">val</span> ec: <span class="hljs-type">ExecutionContext</span> = <span class="hljs-type">ExecutionContext</span>.<span class="hljs-type">Implicits</span>.global
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@4327a24b[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 39, tasks = 0, submissions = 0]</span>
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@2e518bd4[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(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912)</span>
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05)</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(2962e3dda72c68611448ee1b871798d8b0653a00)</span>
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7)</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(2962e3dda72c68611448ee1b871798d8b0653a00))</span>
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7))</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(3a2caae945da76cdbf3bade559749a6288f4a59b)</span>
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(f63a7928648d99f2c7f7ec9770368502de4a202c)</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(3a2caae945da76cdbf3bade559749a6288f4a59b)))</span>
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(f63a7928648d99f2c7f7ec9770368502de4a202c)))</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(2962e3dda72c68611448ee1b871798d8b0653a00))),UInt32Impl(0))</span>
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7))),UInt32Impl(0))</span>
<span class="hljs-comment">// this is the information we need from the crediting TX</span>
<span class="hljs-comment">// to properly "link" it in the transaction we are creating</span>
<span class="hljs-keyword">val</span> outPoint = <span class="hljs-type">TransactionOutPoint</span>(creditingTx.txId, <span class="hljs-type">UInt32</span>.zero)
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0)</span>
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0)</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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),EmptyScriptSignature,UInt32Impl(0))</span>
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3a2caae945da76cdbf3bade559749a6288f4a59b))),UInt32Impl(0))</span>
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f63a7928648d99f2c7f7ec9770368502de4a202c))),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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),10000 sats,ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912))</span>
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),10000 sats,ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05))</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(8ea549138dbd9dcbf3dab19f6c450dad717a6288)</span>
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(28be3d6dd0d46ef48303d8f72334dff1eb91abbd)</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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),10000 sats,ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912))),1 sats/byte,pkh(8ea549138dbd9dcbf3dab19f6c450dad717a6288))</span>
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),10000 sats,ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05))),1 sats/byte,pkh(28be3d6dd0d46ef48303d8f72334dff1eb91abbd))</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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3a2caae945da76cdbf3bade559749a6288f4a59b)), TransactionOutput(4775 sats,pkh(8ea549138dbd9dcbf3dab19f6c450dad717a6288))),UInt32Impl(0))))</span>
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f63a7928648d99f2c7f7ec9770368502de4a202c)), TransactionOutput(4775 sats,pkh(28be3d6dd0d46ef48303d8f72334dff1eb91abbd))),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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),10000 sats,ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2962e3dda72c68611448ee1b871798d8b0653a00))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),10000 sats,ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7))),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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),10000 sats,ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2962e3dda72c68611448ee1b871798d8b0653a00))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),10000 sats,ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(2a66e663c360b0f36e2a34b16ecbc320da7526b7))),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 'sign' 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(fc449abb43192043d3d7d24a444b50fcc1cd8f546f3feb605f5a044038ef6e76:0),P2PKHScriptSignature(ECPublicKey(0257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912), ECDigitalSignature(30440220194d583cd42787615c92a8ecf422f542e1e4fda5e1e512577884af624818fc8702200e4969860625a779c3f56cfea7e21ad132610c40fdc9e3c4d9173c2861982d6401)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(3a2caae945da76cdbf3bade559749a6288f4a59b)), TransactionOutput(4775 sats,pkh(8ea549138dbd9dcbf3dab19f6c450dad717a6288))),UInt32Impl(0))</span>
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(c9bd11a4ec3260ce25f457d7b4557267472cb8cba4bcdb678c975f98b57c9262:0),P2PKHScriptSignature(ECPublicKey(025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05), ECDigitalSignature(3044022006fd40e10944d6bcda0b6000f87d95ce4d02ea29307d408d4223f3db684b62d0022061943efb97e25099b43187a7eaff73da49031b65326323a430be63c54cb09c5d01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(f63a7928648d99f2c7f7ec9770368502de4a202c)), TransactionOutput(4775 sats,pkh(28be3d6dd0d46ef48303d8f72334dff1eb91abbd))),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 = 0200000001766eef3840045a5f60eb3f6f548fcdc1fc504b444ad2d7d343201943bb9a44fc000000006a4730440220194d583cd42787615c92a8ecf422f542e1e4fda5e1e512577884af624818fc8702200e4969860625a779c3f56cfea7e21ad132610c40fdc9e3c4d9173c2861982d6401210257b477087e37fcc8a715da0159e5df234d611726e6e67bc9cbdc3259215c4912000000000288130000000000001976a9143a2caae945da76cdbf3bade559749a6288f4a59b88aca7120000000000001976a9148ea549138dbd9dcbf3dab19f6c450dad717a628888ac00000000</span>
<span class="hljs-comment">// res4: String = 020000000162927cb5985f978c67dbbca4cbb82c47677255b4d757f425ce6032eca411bdc9000000006a473044022006fd40e10944d6bcda0b6000f87d95ce4d02ea29307d408d4223f3db684b62d0022061943efb97e25099b43187a7eaff73da49031b65326323a430be63c54cb09c5d0121025ae4ca14b820b56112bff3ef992efc34c8863489ae5e1dec37f908553a60ac05000000000288130000000000001976a914f63a7928648d99f2c7f7ec9770368502de4a202c88aca7120000000000001976a91428be3d6dd0d46ef48303d8f72334dff1eb91abbd88ac00000000</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) {

4
docs/next/crypto/sign.html
View file

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100b2be4e74c4a008c4b85e3471049fa210a64d4c8026ef185e036b8e98a56861d0022037008663b79edc8314b558409d6946e3b12bcd691b5c983ee059eca319838b59)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402205c22de705e2db9b36a16ad3fb3b5577ef19acca6ba6ac4ec8072e76069f2793002203376bc5ffcf12f7ed57ab5fb6b6857659475517c494f4147ec42a4acbcf08688)</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(3045022100d880f7c29feecb894eb23957e1088ce94d721b42542c88286433b8f87201b19302200b5c41ad2e8b75da46ea51f500a6085250f96b583ded5742f0bd56d92e5e7e44)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304502210087bd92e4a4589f138efb81829f4a0fc7d835ebe547abd86ed5432ee2048d50d40220310d31eff7a819ab662aa9e71a77d5dda208a8bd6e5397c0e0fe9264ce436490)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

4
docs/next/crypto/sign/index.html
View file

@ -96,13 +96,13 @@
<span class="hljs-comment">// extPrivKey: ExtPrivateKey = Masked(ExtPrivateKeyImpl)</span>
extPrivKey.sign(<span class="hljs-type">DoubleSha256Digest</span>.empty.bytes)
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3045022100b2be4e74c4a008c4b85e3471049fa210a64d4c8026ef185e036b8e98a56861d0022037008663b79edc8314b558409d6946e3b12bcd691b5c983ee059eca319838b59)</span>
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(304402205c22de705e2db9b36a16ad3fb3b5577ef19acca6ba6ac4ec8072e76069f2793002203376bc5ffcf12f7ed57ab5fb6b6857659475517c494f4147ec42a4acbcf08688)</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(3045022100d880f7c29feecb894eb23957e1088ce94d721b42542c88286433b8f87201b19302200b5c41ad2e8b75da46ea51f500a6085250f96b583ded5742f0bd56d92e5e7e44)</span>
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(304502210087bd92e4a4589f138efb81829f4a0fc7d835ebe547abd86ed5432ee2048d50d40220310d31eff7a819ab662aa9e71a77d5dda208a8bd6e5397c0e0fe9264ce436490)</span>
</code></pre>
<p>With <code>ExtSign</code>, you can use <code>ExtPrivateKey</code> to sign transactions inside of <code>TxBuilder</code> since <code>UTXOSpendingInfo</code> takes in <code>Sign</code> as a parameter.</p>
<p>You can also provide a <code>path</code> to use to derive a child <code>ExtPrivateKey</code>, and then sign with that child private key</p>

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

@ -120,7 +120,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>0.4.0+285-d608a442-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+286-0424bd83-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

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

@ -120,7 +120,7 @@ libraryDependencies += <span class="hljs-string">"org.bitcoin-s"</span> %% <span
<h3><a class="anchor" aria-hidden="true" id="nightly-builds"></a><a href="#nightly-builds" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nightly builds</h3>
<p>You can also run on the bleeding edge of Bitcoin-S, by
adding a snapshot build to your <code>build.sbt</code>. The most
recent snapshot published is <code>0.4.0+285-d608a442-SNAPSHOT</code>.</p>
recent snapshot published is <code>0.4.0+286-0424bd83-SNAPSHOT</code>.</p>
<p>To fetch snapshots, you will need to add the correct
resolver in your <code>build.sbt</code>:</p>
<pre><code class="hljs css language-sbt">resolvers += Resolver.sonatypeRepo(<span class="hljs-string">"snapshots"</span>)

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@ -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, 0x3675a35eb859541bc0a4f573a6693a1404ebbf501bec9dde15cbe2d429ad3bb1)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x7cab548f554fc198e0d5197353e86d705b14618f6fd0c039794aa78f2b069f92)</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(cushion, public, stumble, idle, next, assume, action, pact, inhale, crew, excess, chimney, exchange, text, document, laugh, oven, vague, indicate, shield, dream, story, uphold, congress)</span>
<span class="hljs-comment">// Vector(lake, follow, cat, pride, winter, small, local, permit, infant, palm, brave, thing, rally, cotton, diet, wheel, scan, slim, famous, excuse, verify, local, layer, fabric)</span>
</code></pre>
<p>Now that we have a <code>MnemonicCode</code> that was securely generated, we need to now create <code>KeyManagerParams</code> which tells us how to generate
generate specific kinds of addresses for wallets.</p>
@ -99,7 +99,7 @@ generate specific kinds of addresses for wallets.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//this will create a temp directory with the prefix 'key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called "encrypted-bitcoin-s-seed.json"</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">"key-manager-example"</span>).resolve(<span class="hljs-type">WalletStorage</span>.<span class="hljs-type">ENCRYPTED_SEED_FILE_NAME</span>)
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example1369736197043521038/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example65816004494808316/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let's create a native segwit key manager</span>
<span class="hljs-keyword">val</span> purpose = <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>
@ -110,19 +110,19 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// network: RegTest.type = RegTest</span>
<span class="hljs-keyword">val</span> kmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, purpose, network)
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1369736197043521038/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example65816004494808316/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-keyword">val</span> aesPasswordOpt = <span class="hljs-type">Some</span>(<span class="hljs-type">AesPassword</span>.fromString(<span class="hljs-string">"password"</span>))
<span class="hljs-comment">// aesPasswordOpt: Some[AesPassword] = Some(Masked(AesPassword))</span>
<span class="hljs-keyword">val</span> km = <span class="hljs-type">BIP39KeyManager</span>.initializeWithMnemonic(aesPasswordOpt, mnemonic, <span class="hljs-type">None</span>, kmParams)
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@6a23eddf)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@4be6a57c)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZPnahyJV9JtmPfEmfu1iZxHsvq5rMs8hVfA4pGBFx5Sm4japhg8UjzMcNsJMVmDsBRPXFDRo6VxrD9WQ5uDx3zDmv3kzEYW</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZK9Pk6Wc3vk8GznfzerosUHnUg1SYCKroEnHdmpDx52zGJDrbTR1gVdPaKRsBjc5tx4ebvkZdX6V6xu6snujS1XQ61fNTdY</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZPnahyJV9JtmPfEmfu1iZxHsvq5rMs8hVfA4pGBFx5Sm4japhg8UjzMcNsJMVmDsBRPXFDRo6VxrD9WQ5uDx3zDmv3kzEYW</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZK9Pk6Wc3vk8GznfzerosUHnUg1SYCKroEnHdmpDx52zGJDrbTR1gVdPaKRsBjc5tx4ebvkZdX6V6xu6snujS1XQ61fNTdY</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -131,17 +131,17 @@ println(rootXPub)
again after initializing it once. You can use the same <code>mnemonic</code> for different networks, which you control <code>KeyManagerParams</code>.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//let's create a nested segwit key manager for mainnet</span>
<span class="hljs-keyword">val</span> mainnetKmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1369736197043521038/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example65816004494808316/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@27b8e19f</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@4fee7954</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxaZ43QSyyfGn5XpZSNyiEQNm4QfPsteDi4QyptqWSL5K9ZRAhJkANYpqNmgbLQe4iZqn815rHShFgWJ6RYVu8tUMUJNP6kP</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxVus5Xf6tH88xsNTm8poXvNfcFaz4DqP1e3CeQUUSKfYM84Cb62hK46caDp72P2HS6WuUiQcpTptaKgoDSBgWumyeDEjAPe</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxaZ43QSyyfGn5XpZSNyiEQNm4QfPsteDi4QyptqWSL5K9ZRAhJkANYpqNmgbLQe4iZqn815rHShFgWJ6RYVu8tUMUJNP6kP</span>
<span class="hljs-comment">// zpub6jftahH18ngZxVus5Xf6tH88xsNTm8poXvNfcFaz4DqP1e3CeQUUSKfYM84Cb62hK46caDp72P2HS6WuUiQcpTptaKgoDSBgWumyeDEjAPe</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

22
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View file

@ -77,14 +77,14 @@
<span class="hljs-comment">//get 256 bits of random entropy</span>
<span class="hljs-keyword">val</span> entropy = <span class="hljs-type">MnemonicCode</span>.getEntropy256Bits
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x3675a35eb859541bc0a4f573a6693a1404ebbf501bec9dde15cbe2d429ad3bb1)</span>
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0x7cab548f554fc198e0d5197353e86d705b14618f6fd0c039794aa78f2b069f92)</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(cushion, public, stumble, idle, next, assume, action, pact, inhale, crew, excess, chimney, exchange, text, document, laugh, oven, vague, indicate, shield, dream, story, uphold, congress)</span>
<span class="hljs-comment">// Vector(lake, follow, cat, pride, winter, small, local, permit, infant, palm, brave, thing, rally, cotton, diet, wheel, scan, slim, famous, excuse, verify, local, layer, fabric)</span>
</code></pre>
<p>Now that we have a <code>MnemonicCode</code> that was securely generated, we need to now create <code>KeyManagerParams</code> which tells us how to generate
generate specific kinds of addresses for wallets.</p>
@ -99,7 +99,7 @@ generate specific kinds of addresses for wallets.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//this will create a temp directory with the prefix 'key-manager-example` that will</span>
<span class="hljs-comment">//have a file in it called "encrypted-bitcoin-s-seed.json"</span>
<span class="hljs-keyword">val</span> seedPath = <span class="hljs-type">Files</span>.createTempDirectory(<span class="hljs-string">"key-manager-example"</span>).resolve(<span class="hljs-type">WalletStorage</span>.<span class="hljs-type">ENCRYPTED_SEED_FILE_NAME</span>)
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example1369736197043521038/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example65816004494808316/encrypted-bitcoin-s-seed.json</span>
<span class="hljs-comment">//let's create a native segwit key manager</span>
<span class="hljs-keyword">val</span> purpose = <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>
@ -110,19 +110,19 @@ generate specific kinds of addresses for wallets.</p>
<span class="hljs-comment">// network: RegTest.type = RegTest</span>
<span class="hljs-keyword">val</span> kmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, purpose, network)
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1369736197043521038/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example65816004494808316/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
<span class="hljs-keyword">val</span> aesPasswordOpt = <span class="hljs-type">Some</span>(<span class="hljs-type">AesPassword</span>.fromString(<span class="hljs-string">"password"</span>))
<span class="hljs-comment">// aesPasswordOpt: Some[AesPassword] = Some(Masked(AesPassword))</span>
<span class="hljs-keyword">val</span> km = <span class="hljs-type">BIP39KeyManager</span>.initializeWithMnemonic(aesPasswordOpt, mnemonic, <span class="hljs-type">None</span>, kmParams)
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@6a23eddf)</span>
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@4be6a57c)</span>
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZPnahyJV9JtmPfEmfu1iZxHsvq5rMs8hVfA4pGBFx5Sm4japhg8UjzMcNsJMVmDsBRPXFDRo6VxrD9WQ5uDx3zDmv3kzEYW</span>
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeZK9Pk6Wc3vk8GznfzerosUHnUg1SYCKroEnHdmpDx52zGJDrbTR1gVdPaKRsBjc5tx4ebvkZdX6V6xu6snujS1XQ61fNTdY</span>
println(rootXPub)
<span class="hljs-comment">// vpub5SLqN2bLY4WeZPnahyJV9JtmPfEmfu1iZxHsvq5rMs8hVfA4pGBFx5Sm4japhg8UjzMcNsJMVmDsBRPXFDRo6VxrD9WQ5uDx3zDmv3kzEYW</span>
<span class="hljs-comment">// vpub5SLqN2bLY4WeZK9Pk6Wc3vk8GznfzerosUHnUg1SYCKroEnHdmpDx52zGJDrbTR1gVdPaKRsBjc5tx4ebvkZdX6V6xu6snujS1XQ61fNTdY</span>
</code></pre>
<p>Which should print something that looks like this</p>
<p><code>vpub5SLqN2bLY4WeXxMqwJHJFBEwxSscGB2uDUnsTS3edVjZEwTrQDFDNqoR2xLqARQPabGaXsHSTenTRcqm2EnB9MpuC4vSk3LqSgNmGGZtuq7</code></p>
@ -131,17 +131,17 @@ println(rootXPub)
again after initializing it once. You can use the same <code>mnemonic</code> for different networks, which you control <code>KeyManagerParams</code>.</p>
<pre><code class="hljs css language-scala"><span class="hljs-comment">//let's create a nested segwit key manager for mainnet</span>
<span class="hljs-keyword">val</span> mainnetKmParams = <span class="hljs-type">KeyManagerParams</span>(seedPath, <span class="hljs-type">HDPurposes</span>.<span class="hljs-type">SegWit</span>, <span class="hljs-type">MainNet</span>)
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example1369736197043521038/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example65816004494808316/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
<span class="hljs-comment">//we do not need to all `initializeWithMnemonic()` again as we have saved the seed to dis</span>
<span class="hljs-keyword">val</span> mainnetKeyManager = <span class="hljs-type">BIP39KeyManager</span>.fromMnemonic(mnemonic, mainnetKmParams, <span class="hljs-type">None</span>, <span class="hljs-type">Instant</span>.now)
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@27b8e19f</span>
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@4fee7954</span>
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxaZ43QSyyfGn5XpZSNyiEQNm4QfPsteDi4QyptqWSL5K9ZRAhJkANYpqNmgbLQe4iZqn815rHShFgWJ6RYVu8tUMUJNP6kP</span>
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZxVus5Xf6tH88xsNTm8poXvNfcFaz4DqP1e3CeQUUSKfYM84Cb62hK46caDp72P2HS6WuUiQcpTptaKgoDSBgWumyeDEjAPe</span>
println(mainnetXpub)
<span class="hljs-comment">// zpub6jftahH18ngZxaZ43QSyyfGn5XpZSNyiEQNm4QfPsteDi4QyptqWSL5K9ZRAhJkANYpqNmgbLQe4iZqn815rHShFgWJ6RYVu8tUMUJNP6kP</span>
<span class="hljs-comment">// zpub6jftahH18ngZxVus5Xf6tH88xsNTm8poXvNfcFaz4DqP1e3CeQUUSKfYM84Cb62hK46caDp72P2HS6WuUiQcpTptaKgoDSBgWumyeDEjAPe</span>
</code></pre>
<p>Which gives us something that looks like this</p>
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>

4
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@ -114,12 +114,12 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<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(0324ce93259b6b43ccbef8fa21f137e45b9bb6ee56cc55ecf6bef6b1b8763c634b)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03c1f1e0c5e2b0c9042550f24fdabe2f3aecfb2a77c70bee88e6f9fbe193644668)</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(30450221009db734e3495ac66d126088faab92ebec40f04ca4d19521b552ea8505017cb6550220038cabb8ac72854c29c50d969bb22caaaf0ebde570a8ac6e1840fcd1ff6353c9)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100aa91f2790a502cd8c0f8b229cdb68bbe2d6a37fb2d459ba69886a7d0ac4d644b022041205ae8e746e6865f25b3b70f4ceec97883e3a8f1fc993ebbd96dda7d19cc81)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>

4
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View file

@ -114,12 +114,12 @@ println(<span class="hljs-string">s"Verified with NativeSecp256k1 again=<span cl
<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(0324ce93259b6b43ccbef8fa21f137e45b9bb6ee56cc55ecf6bef6b1b8763c634b)</span>
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(03c1f1e0c5e2b0c9042550f24fdabe2f3aecfb2a77c70bee88e6f9fbe193644668)</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(30450221009db734e3495ac66d126088faab92ebec40f04ca4d19521b552ea8505017cb6550220038cabb8ac72854c29c50d969bb22caaaf0ebde570a8ac6e1840fcd1ff6353c9)</span>
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100aa91f2790a502cd8c0f8b229cdb68bbe2d6a37fb2d459ba69886a7d0ac4d644b022041205ae8e746e6865f25b3b70f4ceec97883e3a8f1fc993ebbd96dda7d19cc81)</span>
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
<span class="hljs-comment">// verified: Boolean = true</span>