mirror of
https://github.com/bitcoin-s/bitcoin-s.git
synced 2025-03-26 21:42:48 +01:00
Docusaurus bot
parent
adfd53742e
commit
b075cf40de
16 changed files with 106 additions and 106 deletions
|
|
@ -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(026d8a06a12457cad75a6925dd2d3b0b0e7997731baef05c41bcbe24ef5265f02b)</span>
|
||||
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0365b9ce1cdc20cc3873d68bececfa1630ebcb39fe897fee8a4f03fe363bebfd3b)</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 = tb1qglj7c9nmxvrtlcwh58ewtlt5f8m2x6y7ex0zn3</span>
|
||||
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qeenm7qwq6m6a097qd9jrmshn54jyg6y6kww9w5</span>
|
||||
|
||||
println(segwitAddress.toString)
|
||||
<span class="hljs-comment">// tb1qglj7c9nmxvrtlcwh58ewtlt5f8m2x6y7ex0zn3</span>
|
||||
<span class="hljs-comment">// tb1qeenm7qwq6m6a097qd9jrmshn54jyg6y6kww9w5</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 = mn57hx3ELVyrhY4JFENGHJD2zAMLr3Dcwc</span>
|
||||
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mzLKmyfx187XPnKdFCTZjhsn9UN4DuHipp</span>
|
||||
|
||||
println(legacyAddress.toString)
|
||||
<span class="hljs-comment">// mn57hx3ELVyrhY4JFENGHJD2zAMLr3Dcwc</span>
|
||||
<span class="hljs-comment">// mzLKmyfx187XPnKdFCTZjhsn9UN4DuHipp</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 & 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) {
|
||||
|
|
|
|||
|
|
@ -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(026d8a06a12457cad75a6925dd2d3b0b0e7997731baef05c41bcbe24ef5265f02b)</span>
|
||||
<span class="hljs-comment">// pubkey: org.bitcoins.crypto.ECPublicKey = ECPublicKey(0365b9ce1cdc20cc3873d68bececfa1630ebcb39fe897fee8a4f03fe363bebfd3b)</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 = tb1qglj7c9nmxvrtlcwh58ewtlt5f8m2x6y7ex0zn3</span>
|
||||
<span class="hljs-comment">// segwitAddress: Bech32Address = tb1qeenm7qwq6m6a097qd9jrmshn54jyg6y6kww9w5</span>
|
||||
|
||||
println(segwitAddress.toString)
|
||||
<span class="hljs-comment">// tb1qglj7c9nmxvrtlcwh58ewtlt5f8m2x6y7ex0zn3</span>
|
||||
<span class="hljs-comment">// tb1qeenm7qwq6m6a097qd9jrmshn54jyg6y6kww9w5</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 = mn57hx3ELVyrhY4JFENGHJD2zAMLr3Dcwc</span>
|
||||
<span class="hljs-comment">// legacyAddress: P2PKHAddress = mzLKmyfx187XPnKdFCTZjhsn9UN4DuHipp</span>
|
||||
|
||||
println(legacyAddress.toString)
|
||||
<span class="hljs-comment">// mn57hx3ELVyrhY4JFENGHJD2zAMLr3Dcwc</span>
|
||||
<span class="hljs-comment">// mzLKmyfx187XPnKdFCTZjhsn9UN4DuHipp</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 & 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) {
|
||||
|
|
|
|||
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
|
|
@ -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, 0x0c79d9e9d965f100e3dc9045e7071776229b25d2bf2748baa8d9a60707aaef0d)</span>
|
||||
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xeefbda95b9b3d21d1b1a7f8b6471935963bf82ae57dabdef99978f74ce9a2de1)</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(arrest, solution, kidney, ready, gallery, lesson, month, must, echo, deal, shift, unable, claim, napkin, enough, top, emerge, stem, cushion, equal, idea, step, rotate, ripple) // the phrase the user should write down</span>
|
||||
<span class="hljs-comment">// res0: Vector[String] = Vector(upon, tell, pistol, inflict, diamond, attend, hockey, exit, merge, castle, gospel, ready, desk, scout, rich, win, sadness, lamp, grass, bus, erupt, escape, resource, conduct) // 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 = zpub6jftahH18ngZyK6zhedKaFCWqGtQ4ei3MRN5ZJMa9XJU8AmBeMEFZYtyZvVef6mHQvRetULs8wBRqRzKPDeSyZ3AQNDwUDtWS5SMUtWbb2D</span>
|
||||
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwn7jG2qzVRFi2ZACLMoqe93EuZSzwJepmyveWB9zHYqmJp2zR355KNniHdWLJNxx3oxurAwRxZhvGWWuraRLmRFsApDDtPX</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 = zpub6s2DA7pySJhtzQRxgciqiAQ8u26JQS2ubysnE9TZbwDRqVu1s7KnaY5J33K235gAE1LLL4MsA9Nbb244okGSuAJ2JFmn7yiwXaDmYZgXyFY</span>
|
||||
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rjrfH9iHZSZ9UaUjTbVudymkyTyL91MyxhFEYCrWA6VigfSdnd3u7NGjLamAnkRDGRPD5jxWWfojRgqKuEJQyukkHCP9rm4pFKXnwuL1qC</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 = tb1qx7v566rp7hgktr2ss27s0kjvsq6w6zr0vlvkrx</span>
|
||||
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qd2llc66kvxq9rwethmt0legc0ewprzf6dk0lrg</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 = tb1qx7v566rp7hgktr2ss27s0kjvsq6w6zr0vlvkrx</span>
|
||||
<span class="hljs-comment">// res2: String = tb1qd2llc66kvxq9rwethmt0legc0ewprzf6dk0lrg</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>
|
||||
|
|
|
|||
|
|
@ -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, 0x0c79d9e9d965f100e3dc9045e7071776229b25d2bf2748baa8d9a60707aaef0d)</span>
|
||||
<span class="hljs-comment">// entropy: BitVector = BitVector(256 bits, 0xeefbda95b9b3d21d1b1a7f8b6471935963bf82ae57dabdef99978f74ce9a2de1)</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(arrest, solution, kidney, ready, gallery, lesson, month, must, echo, deal, shift, unable, claim, napkin, enough, top, emerge, stem, cushion, equal, idea, step, rotate, ripple) // the phrase the user should write down</span>
|
||||
<span class="hljs-comment">// res0: Vector[String] = Vector(upon, tell, pistol, inflict, diamond, attend, hockey, exit, merge, castle, gospel, ready, desk, scout, rich, win, sadness, lamp, grass, bus, erupt, escape, resource, conduct) // 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 = zpub6jftahH18ngZyK6zhedKaFCWqGtQ4ei3MRN5ZJMa9XJU8AmBeMEFZYtyZvVef6mHQvRetULs8wBRqRzKPDeSyZ3AQNDwUDtWS5SMUtWbb2D</span>
|
||||
<span class="hljs-comment">// xpub: ExtPublicKey = zpub6jftahH18ngZwn7jG2qzVRFi2ZACLMoqe93EuZSzwJepmyveWB9zHYqmJp2zR355KNniHdWLJNxx3oxurAwRxZhvGWWuraRLmRFsApDDtPX</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 = zpub6s2DA7pySJhtzQRxgciqiAQ8u26JQS2ubysnE9TZbwDRqVu1s7KnaY5J33K235gAE1LLL4MsA9Nbb244okGSuAJ2JFmn7yiwXaDmYZgXyFY</span>
|
||||
<span class="hljs-comment">// accountXpub: ExtPublicKey = zpub6rjrfH9iHZSZ9UaUjTbVudymkyTyL91MyxhFEYCrWA6VigfSdnd3u7NGjLamAnkRDGRPD5jxWWfojRgqKuEJQyukkHCP9rm4pFKXnwuL1qC</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 = tb1qx7v566rp7hgktr2ss27s0kjvsq6w6zr0vlvkrx</span>
|
||||
<span class="hljs-comment">// firstAccountAddress: Bech32Address = tb1qd2llc66kvxq9rwethmt0legc0ewprzf6dk0lrg</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 = tb1qx7v566rp7hgktr2ss27s0kjvsq6w6zr0vlvkrx</span>
|
||||
<span class="hljs-comment">// res2: String = tb1qd2llc66kvxq9rwethmt0legc0ewprzf6dk0lrg</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>
|
||||
|
|
|
|||
|
|
@ -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$$anon$3@335b95ab[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
|
||||
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@55630b96[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, 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(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6)</span>
|
||||
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f)</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(5e01a54407106cb484bf944c2ef4d13ebfde51f0)</span>
|
||||
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36)</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(5e01a54407106cb484bf944c2ef4d13ebfde51f0))</span>
|
||||
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36))</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(4fef6941e7943e7ea18a582ef02d37a77402dc3a)</span>
|
||||
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81)</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(4fef6941e7943e7ea18a582ef02d37a77402dc3a)))</span>
|
||||
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81)))</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(5e01a54407106cb484bf944c2ef4d13ebfde51f0))),UInt32Impl(0))</span>
|
||||
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0)</span>
|
||||
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a: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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),EmptyScriptSignature,UInt32Impl(0))</span>
|
||||
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a: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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4fef6941e7943e7ea18a582ef02d37a77402dc3a))),UInt32Impl(0))</span>
|
||||
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),10000 sats,ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6))</span>
|
||||
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),10000 sats,ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f))</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(11e6e637bdb8c68e658d4917ed110d76874a5727)</span>
|
||||
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(4dbb543e1f26fd461a493b85ba4018f8200416a7)</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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),10000 sats,ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6))),1 sats/byte,pkh(11e6e637bdb8c68e658d4917ed110d76874a5727))</span>
|
||||
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),10000 sats,ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f))),1 sats/byte,pkh(4dbb543e1f26fd461a493b85ba4018f8200416a7))</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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4fef6941e7943e7ea18a582ef02d37a77402dc3a)), TransactionOutput(4775 sats,pkh(11e6e637bdb8c68e658d4917ed110d76874a5727))),UInt32Impl(0))))</span>
|
||||
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81)), TransactionOutput(4775 sats,pkh(4dbb543e1f26fd461a493b85ba4018f8200416a7))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),10000 sats,ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5e01a54407106cb484bf944c2ef4d13ebfde51f0))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
|
||||
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),10000 sats,ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),10000 sats,ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5e01a54407106cb484bf944c2ef4d13ebfde51f0))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
|
||||
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),10000 sats,ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),P2PKHScriptSignature(ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6), ECDigitalSignature(3044022063775621e05ff4c6df375e95995404f6f64dd0e1ddb6c7fc750834bd2612e8f802201b7e862046e015a4240155ca13915c8d148df2f62468d81cdd97c425b614d66501)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4fef6941e7943e7ea18a582ef02d37a77402dc3a)), TransactionOutput(4775 sats,pkh(11e6e637bdb8c68e658d4917ed110d76874a5727))),UInt32Impl(0))</span>
|
||||
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),P2PKHScriptSignature(ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f), ECDigitalSignature(30440220257859d4ce3a8e2e5416ed385b1012d0a41ecc57c074b83d523e7be2de684dfc02200087f63eea6e35c872e9e8ca9cfb06c3981429c67148fccaecfc6933a8524a4e01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81)), TransactionOutput(4775 sats,pkh(4dbb543e1f26fd461a493b85ba4018f8200416a7))),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 = 0200000001d80f341e1937b00226ca5a4f516d68318034e30afa8c3cbcec01072e0d0aecee000000006a473044022063775621e05ff4c6df375e95995404f6f64dd0e1ddb6c7fc750834bd2612e8f802201b7e862046e015a4240155ca13915c8d148df2f62468d81cdd97c425b614d665012103059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6000000000288130000000000001976a9144fef6941e7943e7ea18a582ef02d37a77402dc3a88aca7120000000000001976a91411e6e637bdb8c68e658d4917ed110d76874a572788ac00000000</span>
|
||||
<span class="hljs-comment">// res4: String = 02000000017aeca1455386a704b48bd189a952631e2ef2bdb5a89cb358239ac16e3262f57a000000006a4730440220257859d4ce3a8e2e5416ed385b1012d0a41ecc57c074b83d523e7be2de684dfc02200087f63eea6e35c872e9e8ca9cfb06c3981429c67148fccaecfc6933a8524a4e012103cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f000000000288130000000000001976a9142fe30d40702227c73cb23ae25a2c1438cfe06d8188aca7120000000000001976a9144dbb543e1f26fd461a493b85ba4018f8200416a788ac00000000</span>
|
||||
</code></pre>
|
||||
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/dlc"><span class="arrow-prev">← </span><span>Discreet Log Contract Data Structures</span></a><a class="docs-next button" href="/docs/next/core/lightning-network"><span>Lightning Network Data Types</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits & 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) {
|
||||
|
|
|
|||
|
|
@ -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$$anon$3@335b95ab[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 33, tasks = 0, submissions = 0]</span>
|
||||
<span class="hljs-comment">// ec: ExecutionContext = scala.concurrent.impl.ExecutionContextImpl$$anon$3@55630b96[Running, parallelism = 2, size = 2, active = 0, running = 0, steals = 35, 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(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6)</span>
|
||||
<span class="hljs-comment">// pubKey: ECPublicKey = ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f)</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(5e01a54407106cb484bf944c2ef4d13ebfde51f0)</span>
|
||||
<span class="hljs-comment">// creditingSpk: P2PKHScriptPubKey = pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36)</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(5e01a54407106cb484bf944c2ef4d13ebfde51f0))</span>
|
||||
<span class="hljs-comment">// utxo: TransactionOutput = TransactionOutput(10000 sats,pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36))</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(4fef6941e7943e7ea18a582ef02d37a77402dc3a)</span>
|
||||
<span class="hljs-comment">// destinationSPK: P2PKHScriptPubKey = pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81)</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(4fef6941e7943e7ea18a582ef02d37a77402dc3a)))</span>
|
||||
<span class="hljs-comment">// destinations: Vector[TransactionOutput] = Vector(TransactionOutput(5000 sats,pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81)))</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(5e01a54407106cb484bf944c2ef4d13ebfde51f0))),UInt32Impl(0))</span>
|
||||
<span class="hljs-comment">// creditingTx: BaseTransaction = BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0)</span>
|
||||
<span class="hljs-comment">// outPoint: TransactionOutPoint = TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a: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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),EmptyScriptSignature,UInt32Impl(0))</span>
|
||||
<span class="hljs-comment">// input: TransactionInput = TransactionInputImpl(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a: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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4fef6941e7943e7ea18a582ef02d37a77402dc3a))),UInt32Impl(0))</span>
|
||||
<span class="hljs-comment">// builderResult: RawTxBuilderResult = RawTxBuilderResult(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),10000 sats,ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6))</span>
|
||||
<span class="hljs-comment">// inputInfo: P2PKHInputInfo = P2PKHInputInfo(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),10000 sats,ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f))</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(11e6e637bdb8c68e658d4917ed110d76874a5727)</span>
|
||||
<span class="hljs-comment">// changeSPK: P2PKHScriptPubKey = pkh(4dbb543e1f26fd461a493b85ba4018f8200416a7)</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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),10000 sats,ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6))),1 sats/byte,pkh(11e6e637bdb8c68e658d4917ed110d76874a5727))</span>
|
||||
<span class="hljs-comment">// finalizer: StandardNonInteractiveFinalizer = StandardNonInteractiveFinalizer(Vector(P2PKHInputInfo(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),10000 sats,ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f))),1 sats/byte,pkh(4dbb543e1f26fd461a493b85ba4018f8200416a7))</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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4fef6941e7943e7ea18a582ef02d37a77402dc3a)), TransactionOutput(4775 sats,pkh(11e6e637bdb8c68e658d4917ed110d76874a5727))),UInt32Impl(0))))</span>
|
||||
<span class="hljs-comment">// unsignedTxF: Future[Transaction] = Future(Success(BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),EmptyScriptSignature,UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81)), TransactionOutput(4775 sats,pkh(4dbb543e1f26fd461a493b85ba4018f8200416a7))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),10000 sats,ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5e01a54407106cb484bf944c2ef4d13ebfde51f0))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1)))</span>
|
||||
<span class="hljs-comment">// utxoInfo: ScriptSignatureParams[P2PKHInputInfo] = ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),10000 sats,ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),10000 sats,ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(5e01a54407106cb484bf944c2ef4d13ebfde51f0))),UInt32Impl(0)),Vector(Masked(ECPrivateKeyImpl)),SIGHASH_ALL(Int32Impl(1))))</span>
|
||||
<span class="hljs-comment">// utxoInfos: Vector[ScriptSignatureParams[InputInfo]] = Vector(ScriptSignatureParams(P2PKHInputInfo(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),10000 sats,ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f)),BaseTransaction(Int32Impl(1),Vector(),Vector(TransactionOutput(10000 sats,pkh(58e4ecee10740f6e7beee42753938aa5c0d25c36))),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(eeec0a0d2e0701ecbc3c8cfa0ae3348031686d514f5aca2602b037191e340fd8:0),P2PKHScriptSignature(ECPublicKey(03059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6), ECDigitalSignature(3044022063775621e05ff4c6df375e95995404f6f64dd0e1ddb6c7fc750834bd2612e8f802201b7e862046e015a4240155ca13915c8d148df2f62468d81cdd97c425b614d66501)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(4fef6941e7943e7ea18a582ef02d37a77402dc3a)), TransactionOutput(4775 sats,pkh(11e6e637bdb8c68e658d4917ed110d76874a5727))),UInt32Impl(0))</span>
|
||||
<span class="hljs-comment">// signedTx: Transaction = BaseTransaction(Int32Impl(2),Vector(TransactionInputImpl(TransactionOutPoint(7af562326ec19a2358b39ca8b5bdf22e1e6352a989d18bb404a7865345a1ec7a:0),P2PKHScriptSignature(ECPublicKey(03cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f), ECDigitalSignature(30440220257859d4ce3a8e2e5416ed385b1012d0a41ecc57c074b83d523e7be2de684dfc02200087f63eea6e35c872e9e8ca9cfb06c3981429c67148fccaecfc6933a8524a4e01)),UInt32Impl(0))),Vector(TransactionOutput(5000 sats,pkh(2fe30d40702227c73cb23ae25a2c1438cfe06d81)), TransactionOutput(4775 sats,pkh(4dbb543e1f26fd461a493b85ba4018f8200416a7))),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 = 0200000001d80f341e1937b00226ca5a4f516d68318034e30afa8c3cbcec01072e0d0aecee000000006a473044022063775621e05ff4c6df375e95995404f6f64dd0e1ddb6c7fc750834bd2612e8f802201b7e862046e015a4240155ca13915c8d148df2f62468d81cdd97c425b614d665012103059b3577fc40c02c48694b5e7976048628bda5bab2c21ed64d5f48eacaf5a0f6000000000288130000000000001976a9144fef6941e7943e7ea18a582ef02d37a77402dc3a88aca7120000000000001976a91411e6e637bdb8c68e658d4917ed110d76874a572788ac00000000</span>
|
||||
<span class="hljs-comment">// res4: String = 02000000017aeca1455386a704b48bd189a952631e2ef2bdb5a89cb358239ac16e3262f57a000000006a4730440220257859d4ce3a8e2e5416ed385b1012d0a41ecc57c074b83d523e7be2de684dfc02200087f63eea6e35c872e9e8ca9cfb06c3981429c67148fccaecfc6933a8524a4e012103cd020b317642c77208ddc8501e9d57cdfc3d678335f9a58e1c689a07b380157f000000000288130000000000001976a9142fe30d40702227c73cb23ae25a2c1438cfe06d8188aca7120000000000001976a9144dbb543e1f26fd461a493b85ba4018f8200416a788ac00000000</span>
|
||||
</code></pre>
|
||||
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/next/core/dlc"><span class="arrow-prev">← </span><span>Discreet Log Contract Data Structures</span></a><a class="docs-next button" href="/docs/next/core/lightning-network"><span>Lightning Network Data Types</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2021 Suredbits & 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) {
|
||||
|
|
|
|||
|
|
@ -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(30440220663519d3e83efaa4712e44cbe90a38ad106d729e318a8fe335fb28d13030f78a0220097057d0748654ef279d2bb551fdbe0c7db1fed3a823ef4f5b2c45ad37d5d7d0)</span>
|
||||
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3044022014ba0fd3abf12e0bb5094ef0bb9f9ee4de39dd97d279743d0826387abefd8b47022038046da1f4a0fe3b4d3f5a33b3c0c39032204433add3f3830e4442fa6a874dfe)</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(3044022036de8a6239f8c956bbe9688a67c55c596411a6a7af71238b90e1da922f3718e20220406e19f43312ccd48c93b6a661bf120e2ad1d24d08d2eb34057672cec98b840d)</span>
|
||||
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30440220681bbe2575e401710f4fd31a5e834b03ba7700910fb02c41108591b4d7dc999102207a2f4baaa89fe1eb0d683cd1fc01be95454a9c1014c124c87ed20719ea3503a4)</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>
|
||||
|
|
|
|||
|
|
@ -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(30440220663519d3e83efaa4712e44cbe90a38ad106d729e318a8fe335fb28d13030f78a0220097057d0748654ef279d2bb551fdbe0c7db1fed3a823ef4f5b2c45ad37d5d7d0)</span>
|
||||
<span class="hljs-comment">// res0: ECDigitalSignature = ECDigitalSignature(3044022014ba0fd3abf12e0bb5094ef0bb9f9ee4de39dd97d279743d0826387abefd8b47022038046da1f4a0fe3b4d3f5a33b3c0c39032204433add3f3830e4442fa6a874dfe)</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(3044022036de8a6239f8c956bbe9688a67c55c596411a6a7af71238b90e1da922f3718e20220406e19f43312ccd48c93b6a661bf120e2ad1d24d08d2eb34057672cec98b840d)</span>
|
||||
<span class="hljs-comment">// res1: ECDigitalSignature = ECDigitalSignature(30440220681bbe2575e401710f4fd31a5e834b03ba7700910fb02c41108591b4d7dc999102207a2f4baaa89fe1eb0d683cd1fc01be95454a9c1014c124c87ed20719ea3503a4)</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>
|
||||
|
|
|
|||
|
|
@ -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>0.5.0+14-a1bdbda0-SNAPSHOT</code>.</p>
|
||||
recent snapshot published is <code>0.5.0+15-56867900-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>)
|
||||
|
|
|
|||
|
|
@ -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>0.5.0+14-a1bdbda0-SNAPSHOT</code>.</p>
|
||||
recent snapshot published is <code>0.5.0+15-56867900-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>)
|
||||
|
|
|
|||
|
|
@ -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, 0x306657aa48bb1169cfa3454a644bdd37d0754ba80dd7d276f2d1dc17e66086cf)</span>
|
||||
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xe0135298ca6129282c32db4c2d664f75528ddcb7e1960c1336322b96c6a100ea)</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(corn, crawl, tunnel, multiply, rain, reject, direct, hamster, engine, car, warrior, hurry, also, place, parent, road, sponsor, resource, refuse, return, lazy, core, brass, trophy)</span>
|
||||
<span class="hljs-comment">// Vector(theme, once, plate, network, barely, neglect, radio, fork, equip, hen, need, turkey, churn, unusual, test, crazy, army, often, milk, fire, hockey, explain, admit, flee)</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-example5737833606973512110/encrypted-bitcoin-s-seed.json</span>
|
||||
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example8273260822738187034/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-example5737833606973512110/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
|
||||
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8273260822738187034/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@e75886e)</span>
|
||||
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@6f96112a)</span>
|
||||
|
||||
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
|
||||
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYjjEo3p66gV1ptbEvcKyqHGVHhR3EHQdn2Wo34dTGCcoeNcXxk6F2d8iiP99YTdXAxAqTeh2KGDtCgqdJ8igjMDoyhAG1GB</span>
|
||||
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYNbqNGzEABmz576iikyXpxUHmNb9Sxn4B3D9oPbCmhec75SakNQMWFDP23EGPh1Ci4ibPo3FytdwQwrjRS4SULDojGptv8M</span>
|
||||
|
||||
println(rootXPub)
|
||||
<span class="hljs-comment">// vpub5SLqN2bLY4WeYjjEo3p66gV1ptbEvcKyqHGVHhR3EHQdn2Wo34dTGCcoeNcXxk6F2d8iiP99YTdXAxAqTeh2KGDtCgqdJ8igjMDoyhAG1GB</span>
|
||||
<span class="hljs-comment">// vpub5SLqN2bLY4WeYNbqNGzEABmz576iikyXpxUHmNb9Sxn4B3D9oPbCmhec75SakNQMWFDP23EGPh1Ci4ibPo3FytdwQwrjRS4SULDojGptv8M</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-example5737833606973512110/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
|
||||
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8273260822738187034/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@47857525</span>
|
||||
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@310a1bf3</span>
|
||||
|
||||
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
|
||||
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwvVi8Uxaw2s2WmB2h6HyVjMNRGzakJv9zRmi3hHhkTFMjCSsxNhvfBbwiHXPP73ii6d6LSM5WCxHg3dKdmzdpFUPY4dVxqR</span>
|
||||
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwZNJhi8izY9zkygWVEwXVQZAtxAgxzHaPSU4p2FTFxHABuGvk1238ogc1wcWELRQFDArGahKAqNLtJeRm5LPZEUPHZk9v3W</span>
|
||||
|
||||
println(mainnetXpub)
|
||||
<span class="hljs-comment">// zpub6jftahH18ngZwvVi8Uxaw2s2WmB2h6HyVjMNRGzakJv9zRmi3hHhkTFMjCSsxNhvfBbwiHXPP73ii6d6LSM5WCxHg3dKdmzdpFUPY4dVxqR</span>
|
||||
<span class="hljs-comment">// zpub6jftahH18ngZwZNJhi8izY9zkygWVEwXVQZAtxAgxzHaPSU4p2FTFxHABuGvk1238ogc1wcWELRQFDArGahKAqNLtJeRm5LPZEUPHZk9v3W</span>
|
||||
</code></pre>
|
||||
<p>Which gives us something that looks like this</p>
|
||||
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>
|
||||
|
|
|
|||
|
|
@ -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, 0x306657aa48bb1169cfa3454a644bdd37d0754ba80dd7d276f2d1dc17e66086cf)</span>
|
||||
<span class="hljs-comment">// entropy: scodec.bits.BitVector = BitVector(256 bits, 0xe0135298ca6129282c32db4c2d664f75528ddcb7e1960c1336322b96c6a100ea)</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(corn, crawl, tunnel, multiply, rain, reject, direct, hamster, engine, car, warrior, hurry, also, place, parent, road, sponsor, resource, refuse, return, lazy, core, brass, trophy)</span>
|
||||
<span class="hljs-comment">// Vector(theme, once, plate, network, barely, neglect, radio, fork, equip, hen, need, turkey, churn, unusual, test, crazy, army, often, milk, fire, hockey, explain, admit, flee)</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-example5737833606973512110/encrypted-bitcoin-s-seed.json</span>
|
||||
<span class="hljs-comment">// seedPath: Path = /tmp/key-manager-example8273260822738187034/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-example5737833606973512110/encrypted-bitcoin-s-seed.json,m/84',RegTest)</span>
|
||||
<span class="hljs-comment">// kmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8273260822738187034/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@e75886e)</span>
|
||||
<span class="hljs-comment">// km: Either[KeyManagerInitializeError, BIP39KeyManager] = Right(org.bitcoins.keymanager.bip39.BIP39KeyManager@6f96112a)</span>
|
||||
|
||||
<span class="hljs-keyword">val</span> rootXPub = km.right.get.getRootXPub
|
||||
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYjjEo3p66gV1ptbEvcKyqHGVHhR3EHQdn2Wo34dTGCcoeNcXxk6F2d8iiP99YTdXAxAqTeh2KGDtCgqdJ8igjMDoyhAG1GB</span>
|
||||
<span class="hljs-comment">// rootXPub: ExtPublicKey = vpub5SLqN2bLY4WeYNbqNGzEABmz576iikyXpxUHmNb9Sxn4B3D9oPbCmhec75SakNQMWFDP23EGPh1Ci4ibPo3FytdwQwrjRS4SULDojGptv8M</span>
|
||||
|
||||
println(rootXPub)
|
||||
<span class="hljs-comment">// vpub5SLqN2bLY4WeYjjEo3p66gV1ptbEvcKyqHGVHhR3EHQdn2Wo34dTGCcoeNcXxk6F2d8iiP99YTdXAxAqTeh2KGDtCgqdJ8igjMDoyhAG1GB</span>
|
||||
<span class="hljs-comment">// vpub5SLqN2bLY4WeYNbqNGzEABmz576iikyXpxUHmNb9Sxn4B3D9oPbCmhec75SakNQMWFDP23EGPh1Ci4ibPo3FytdwQwrjRS4SULDojGptv8M</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-example5737833606973512110/encrypted-bitcoin-s-seed.json,m/84',MainNet)</span>
|
||||
<span class="hljs-comment">// mainnetKmParams: KeyManagerParams = KeyManagerParams(/tmp/key-manager-example8273260822738187034/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@47857525</span>
|
||||
<span class="hljs-comment">// mainnetKeyManager: BIP39KeyManager = org.bitcoins.keymanager.bip39.BIP39KeyManager@310a1bf3</span>
|
||||
|
||||
<span class="hljs-keyword">val</span> mainnetXpub = mainnetKeyManager.getRootXPub
|
||||
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwvVi8Uxaw2s2WmB2h6HyVjMNRGzakJv9zRmi3hHhkTFMjCSsxNhvfBbwiHXPP73ii6d6LSM5WCxHg3dKdmzdpFUPY4dVxqR</span>
|
||||
<span class="hljs-comment">// mainnetXpub: ExtPublicKey = zpub6jftahH18ngZwZNJhi8izY9zkygWVEwXVQZAtxAgxzHaPSU4p2FTFxHABuGvk1238ogc1wcWELRQFDArGahKAqNLtJeRm5LPZEUPHZk9v3W</span>
|
||||
|
||||
println(mainnetXpub)
|
||||
<span class="hljs-comment">// zpub6jftahH18ngZwvVi8Uxaw2s2WmB2h6HyVjMNRGzakJv9zRmi3hHhkTFMjCSsxNhvfBbwiHXPP73ii6d6LSM5WCxHg3dKdmzdpFUPY4dVxqR</span>
|
||||
<span class="hljs-comment">// zpub6jftahH18ngZwZNJhi8izY9zkygWVEwXVQZAtxAgxzHaPSU4p2FTFxHABuGvk1238ogc1wcWELRQFDArGahKAqNLtJeRm5LPZEUPHZk9v3W</span>
|
||||
</code></pre>
|
||||
<p>Which gives us something that looks like this</p>
|
||||
<p><code>zpub6jftahH18ngZw98KGjRo5XcxeKTQ2eztsvskb1dC9XF5TLimQquTs6Ry7nBBA425D9joXmfgJJCexmJ1u2SELJZJfRi95gcnXadLpZzYb5c</code></p>
|
||||
|
|
|
|||
|
|
@ -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(032e83fd828e112480392bf52420e22053a7779cf378c7c1dc2b7b5b54734222d3)</span>
|
||||
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0348744131201ecef35e9d9b62e2db45be6121b0cc0274722e5926cd93d40dbcc8)</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(3044022043303625b4ad8e01befe4ad3acb6639ccdaa3aed4926ca5b32444dca797285c302203a0b8ee87e2caeae690f84b518919163c9339732be0c0b55d8e2ae8b362ee3ef)</span>
|
||||
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100c07c65e8da1466b699d1a4ae08bd046c18c9236eaa3117db3a22565727ec9e8a022011fe3b5b05e21efd0c399e06362bdea498c921dda3a0be698374363a360c7a8c)</span>
|
||||
|
||||
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
|
||||
<span class="hljs-comment">// verified: Boolean = true</span>
|
||||
|
|
|
|||
|
|
@ -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(032e83fd828e112480392bf52420e22053a7779cf378c7c1dc2b7b5b54734222d3)</span>
|
||||
<span class="hljs-comment">// publicKey: ECPublicKey = ECPublicKey(0348744131201ecef35e9d9b62e2db45be6121b0cc0274722e5926cd93d40dbcc8)</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(3044022043303625b4ad8e01befe4ad3acb6639ccdaa3aed4926ca5b32444dca797285c302203a0b8ee87e2caeae690f84b518919163c9339732be0c0b55d8e2ae8b362ee3ef)</span>
|
||||
<span class="hljs-comment">// signature: ECDigitalSignature = ECDigitalSignature(3045022100c07c65e8da1466b699d1a4ae08bd046c18c9236eaa3117db3a22565727ec9e8a022011fe3b5b05e21efd0c399e06362bdea498c921dda3a0be698374363a360c7a8c)</span>
|
||||
|
||||
<span class="hljs-keyword">val</span> verified = publicKey.verifyWithBouncyCastle(dataToSign.bytes, signature)
|
||||
<span class="hljs-comment">// verified: Boolean = true</span>
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue