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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/rpc/bitcoind.md" target = "_blank" rel = "noreferrer noopener" > Edit< / a > < h1 id = "__docusaurus" class = "postHeaderTitle" > bitcoind/Bitcoin Core< / h1 > < / header > < article > < div > < span > < h2 > < a class = "anchor" aria-hidden = "true" id = "downloading-bitcoind" > < / a > < a href = "#downloading-bitcoind" 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 > Downloading bitcoind< / h2 >
< p > The Bitcoin Core RPC client in Bitcoin-S currently supports the Bitcoin Core< / p >
< ul >
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< li > 25< / li >
< li > 26< / li >
< li > 27< / li >
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< / ul >
< p > version lines. It can be set up to work with both local and remote Bitcoin Core servers.< / p >
< p > You can fetch them using bitcoin-s by running the following sbt command. If you already have bitcoind installed on your machine, you can skip this step.< / p >
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< pre > < code class = "hljs css language-bash" > sbt downloadBitcoind
< / code > < / pre >
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< p > The binaries will be stored in < code > ~/.bitcoin-s/binaries/bitcoind/< / code > < / p >
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< h2 > < a class = "anchor" aria-hidden = "true" id = "connecting-to-a-local-bitcoind-instance" > < / a > < a href = "#connecting-to-a-local-bitcoind-instance" 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 > Connecting to a local < code > bitcoind< / code > instance< / h2 >
< h3 > < a class = "anchor" aria-hidden = "true" id = "getting-started-quickly-with-default-options" > < / a > < a href = "#getting-started-quickly-with-default-options" 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 > Getting started quickly, with default options:< / h3 >
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< 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 > .global
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< span class = "hljs-keyword" > implicit< / span > < span class = "hljs-keyword" > val< / span > system: < span class = "hljs-type" > ActorSystem< / span > = < span class = "hljs-type" > ActorSystem< / span > (< span class = "hljs-string" > "System"< / span > )
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< span class = "hljs-comment" > // this reads authentication credentials and< / span >
< span class = "hljs-comment" > // connection details from the default data< / span >
< span class = "hljs-comment" > // directory on your platform< / span >
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< span class = "hljs-keyword" > val< / span > client = < span class = "hljs-type" > BitcoindRpcClient< / span > .fromDatadir(binary=< span class = "hljs-keyword" > new< / span > < span class = "hljs-type" > File< / span > (< span class = "hljs-string" > "/path/to/bitcoind"< / span > ), datadir=< span class = "hljs-keyword" > new< / span > < span class = "hljs-type" > File< / span > (< span class = "hljs-string" > "/path/to/bitcoind-datadir"< / span > ))
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< span class = "hljs-keyword" > val< / span > balance: < span class = "hljs-type" > Future< / span > [< span class = "hljs-type" > Bitcoins< / span > ] = < span class = "hljs-keyword" > for< / span > {
_ < - client.start()
balance < - client.getBalance
} < span class = "hljs-keyword" > yield< / span > balance
< / code > < / pre >
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< h2 > < a class = "anchor" aria-hidden = "true" id = "multi-wallet-bitcoind-instances" > < / a > < a href = "#multi-wallet-bitcoind-instances" 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 > Multi-wallet < code > bitcoind< / code > instances< / h2 >
< p > When using the < code > bitcoind< / code > with multiple wallets you will need to specify the wallet's name.
To do so the wallet rpc functions have an optional < code > walletName< / code > parameter.< / 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 > .global
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< span class = "hljs-keyword" > implicit< / span > < span class = "hljs-keyword" > val< / span > system: < span class = "hljs-type" > ActorSystem< / span > = < span class = "hljs-type" > ActorSystem< / span > (< span class = "hljs-string" > "System"< / span > )
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< span class = "hljs-keyword" > val< / span > client = < span class = "hljs-type" > BitcoindRpcClient< / span > .fromDatadir(binary=< span class = "hljs-keyword" > new< / span > < span class = "hljs-type" > File< / span > (< span class = "hljs-string" > "/path/to/bitcoind"< / span > ), datadir=< span class = "hljs-keyword" > new< / span > < span class = "hljs-type" > File< / span > (< span class = "hljs-string" > "/path/to/bitcoind-datadir"< / span > ))
< span class = "hljs-keyword" > for< / span > {
_ < - client.start()
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_ < - client.walletPassphrase(< span class = "hljs-string" > "mypassword"< / span > , < span class = "hljs-number" > 10000< / span > , < span class = "hljs-string" > "walletName"< / span > )
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balance < - client.getBalance(< span class = "hljs-string" > "walletName"< / span > )
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} < span class = "hljs-keyword" > yield< / span > balance
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< / code > < / pre >
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< h2 > < a class = "anchor" aria-hidden = "true" id = "connecting-to-a-remote-bitcoind" > < / a > < a href = "#connecting-to-a-remote-bitcoind" 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 > Connecting to a remote < code > bitcoind< / code > < / h2 >
< p > First, we create a secure connection to our < code > bitcoind< / code > instance by setting
up a SSH tunnel:< / p >
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< pre > < code class = "hljs css language-bash" > ssh -L 8332:localhost:8332 my-cool-user@my-cool-website.com
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< / code > < / pre >
< blockquote >
< p > Note: the port number '8332' is the default for mainnet. If you want to
connect to a testnet < code > bitcoind< / code > , the default port is '18332'< / p >
< / blockquote >
< p > Now that we have a secure connection between our remote < code > bitcoind< / code > , we're
ready to create the connection with our RPC client< / p >
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< 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 > .global
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< span class = "hljs-keyword" > implicit< / span > < span class = "hljs-keyword" > val< / span > system: < span class = "hljs-type" > ActorSystem< / span > = < span class = "hljs-type" > ActorSystem< / span > (< span class = "hljs-string" > "System"< / span > )
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< span class = "hljs-keyword" > val< / span > username = < span class = "hljs-string" > "FILL_ME_IN"< / span > < span class = "hljs-comment" > //this username comes from 'rpcuser' in your bitcoin.conf file< / span >
< span class = "hljs-keyword" > val< / span > password = < span class = "hljs-string" > "FILL_ME_IN"< / span > < span class = "hljs-comment" > //this password comes from your 'rpcpassword' in your bitcoin.conf file< / span >
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< span class = "hljs-keyword" > val< / span > authCredentials = < span class = "hljs-type" > BitcoindAuthCredentials< / span > .< span class = "hljs-type" > PasswordBased< / span > (
username = username,
password = password
)
< span class = "hljs-keyword" > val< / span > bitcoindInstance = {
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< span class = "hljs-type" > BitcoindInstanceLocal< / span > (
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network = < span class = "hljs-type" > MainNet< / span > ,
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uri = < span class = "hljs-keyword" > new< / span > < span class = "hljs-type" > URI< / span > (< span class = "hljs-string" > s"http://localhost:< span class = "hljs-subst" > ${MainNet.port}< / span > "< / span > ),
rpcUri = < span class = "hljs-keyword" > new< / span > < span class = "hljs-type" > URI< / span > (< span class = "hljs-string" > s"http://localhost:< span class = "hljs-subst" > ${MainNet.rpcPort}< / span > "< / span > ),
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authCredentials = authCredentials
)
}
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< span class = "hljs-keyword" > val< / span > rpcCli = < span class = "hljs-type" > BitcoindRpcClient< / span > (bitcoindInstance)
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rpcCli.getBalance.onComplete { < span class = "hljs-keyword" > case< / span > balance =>
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println(< span class = "hljs-string" > s"Wallet balance=< span class = "hljs-subst" > ${balance}< / span > "< / span > )
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}
< / code > < / pre >
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< h2 > < a class = "anchor" aria-hidden = "true" id = "error-handling" > < / a > < a href = "#error-handling" 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 > Error handling< / h2 >
< p > All errors returned by Bitcoin Core are mapped to a corresponding
< a href = "https://github.com/bitcoin-s/bitcoin-s/blob/master/bitcoind-rpc/src/main/scala/org/bitcoins/rpc/BitcoindException.scala" > < code > BitcoindException< / code > < / a > .
These exceptions contain an error code and a message. < code > BitcoindException< / code > is a sealed
trait, which means you can easily pattern match exhaustively. Of course, other errors
could also happen: network errors, stack overflows or out-of-memory errors. The provided
class is only intended to cover errors returned by Bitcoin Core. An example of how error
handling could look:< / p >
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< pre > < code class = "hljs css language-scala" > < span class = "hljs-keyword" > implicit< / span > < span class = "hljs-keyword" > val< / span > system: < span class = "hljs-type" > ActorSystem< / span > = < span class = "hljs-type" > ActorSystem< / span > ()
< span class = "hljs-keyword" > implicit< / span > < span class = "hljs-keyword" > val< / span > ec: < span class = "hljs-type" > ExecutionContext< / span > = system.dispatcher
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< span class = "hljs-comment" > // let's assume you have an already running client,< / span >
< span class = "hljs-comment" > // so there's no need to start this one< / span >
< span class = "hljs-keyword" > val< / span > cli = < span class = "hljs-type" > BitcoindRpcClient< / span > .fromDatadir(binary=< span class = "hljs-keyword" > new< / span > < span class = "hljs-type" > File< / span > (< span class = "hljs-string" > "/path/to/bitcoind"< / span > ), datadir=< span class = "hljs-keyword" > new< / span > < span class = "hljs-type" > File< / span > (< span class = "hljs-string" > "/path/to/bitcoind-datadir"< / span > ))
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< span class = "hljs-comment" > // let's also assume you have a bitcoin address< / span >
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< span class = "hljs-keyword" > val< / span > address: < span class = "hljs-type" > BitcoinAddress< / span > = < span class = "hljs-type" > BitcoinAddress< / span > (< span class = "hljs-string" > "bc1qm8kec4xvucdgtzppzvvr2n6wp4m4w0k8akhf98"< / span > )
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< span class = "hljs-keyword" > val< / span > txid: < span class = "hljs-type" > Future< / span > [< span class = "hljs-type" > DoubleSha256DigestBE< / span > ] =
cli.sendToAddress(address, < span class = "hljs-number" > 3.< / span > bitcoins).recoverWith {
< span class = "hljs-keyword" > case< / span > < span class = "hljs-type" > BitcoindWalletException< / span > .< span class = "hljs-type" > UnlockNeeded< / span > (_) =>
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cli.walletPassphrase(< span class = "hljs-string" > "my_passphrase"< / span > , < span class = "hljs-number" > 60< / span > ).flatMap { _ =>
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cli.sendToAddress(address, < span class = "hljs-number" > 3.< / span > bitcoins)
}
}
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< / code > < / pre >
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< / span > < / div > < / article > < / div > < div class = "docLastUpdate" > < em > Last updated on 1/14/2021 by Chris Stewart< / em > < / div > < div class = "docs-prevnext" > < a class = "docs-prev button" href = "/docs/rpc/rpc-eclair" > < span class = "arrow-prev" > ← < / span > < span > Eclair< / span > < / a > < a class = "docs-next button" href = "/docs/rpc/lnd-rpc" > < span > LND< / span > < span class = "arrow-next" > →< / span > < / a > < / div > < / div > < / div > < nav class = "onPageNav" > < ul class = "toc-headings" > < li > < a href = "#downloading-bitcoind" > Downloading bitcoind< / a > < / li > < li > < a href = "#connecting-to-a-local-bitcoind-instance" > Connecting to a local < code > bitcoind< / code > instance< / a > < ul class = "toc-headings" > < li > < a href = "#getting-started-quickly-with-default-options" > Getting started quickly, with default options:< / a > < / li > < / ul > < / li > < li > < a href = "#multi-wallet-bitcoind-instances" > Multi-wallet < code > bitcoind< / code > instances< / a > < / li > < li > < a href = "#connecting-to-a-remote-bitcoind" > Connecting to a remote < code > bitcoind< / code > < / a > < / li > < li > < a href = "#error-handling" > Error handling< / 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 © 2025 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 >
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