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Wladimir J. van der Laan a9335e4f12
Merge #16546: External signer support - Wallet Box edition 
f75e0c1edd doc: add external-signer.md (Sjors Provoost)
d4b0107d68 rpc: send: support external signer (Sjors Provoost)
245b4457cf rpc: signerdisplayaddress (Sjors Provoost)
7ebc7c0215 wallet: ExternalSigner: add GetDescriptors method (Sjors Provoost)
fc5da520f5 wallet: add GetExternalSigner() (Sjors Provoost)
259f52cc33 test: external_signer wallet flag is immutable (Sjors Provoost)
2655197e1c rpc: add external_signer option to createwallet (Sjors Provoost)
2700f09c41 rpc: signer: add enumeratesigners to list external signers (Sjors Provoost)
07b7c940a7 rpc: add external signer RPC files (Sjors Provoost)
8ce7767071 wallet: add ExternalSignerScriptPubKeyMan (Sjors Provoost)
157ea7c614 wallet: add external_signer flag (Sjors Provoost)
f3e6ce78fb test: add external signer test (Sjors Provoost)
8cf543f96d wallet: add -signer argument for external signer command (Sjors Provoost)
f7eb7ecc67 test: framework: add skip_if_no_external_signer (Sjors Provoost)
87a97941f6 configure: add --enable-external-signer (Sjors Provoost)

Pull request description:

  Big picture overview in [this gist](https://gist.github.com/Sjors/29d06728c685e6182828c1ce9b74483d).

  This PR lets `bitcoind` call an arbitrary command `-signer=<cmd>`, e.g. a hardware wallet driver,  where it can fetch public keys, ask to display an address, and sign a transaction (using PSBT under the hood).

  It's design to work with https://github.com/bitcoin-core/HWI, which supports multiple hardware wallets. Any command with the same arguments and return values will work. It simplifies the manual procedure described [here](https://github.com/bitcoin-core/HWI/blob/master/docs/bitcoin-core-usage.md).

  Usage is documented in [doc/external-signer.md](
  https://github.com/Sjors/bitcoin/blob/2019/08/hww-box2/doc/external-signer.md), which also describes what protocol a different signer binary should conform to.

  Use `--enable-external-signer` to opt in, requires Boost::Process:

  ```
  Options used to compile and link:
    with wallet     = yes
    with gui / qt   = no
    external signer = yes
  ```

  It adds the following RPC methods:
  * `enumeratesigners`: asks <cmd> for a list of signers (e.g. devices) and their master key fingerprint
  * `signerdisplayaddress <address>`:  asks <cmd> to display an address

  It enhances the following RPC methods:
  * `createwallet`: takes an additional `external_signer` argument and fetches keys from device
  * `send`: automatically sends transaction to device and waits

  Usage TL&DR:
  * clone HWI repo somewhere and launch `bitcoind -signer=../HWI/hwi.py`
  * check if you can see your hardware device: `bitcoin-cli enumeratesigners`
  * create wallet and auto import keys `bitcoin-cli createwallet "hww" true true "" true true true`
  * display address on device: `bitcoin-cli signerdisplayaddress ...`
  * to spend, use `send` RPC and approve transaction on device

  Prerequisites:
  - [x] #21127 load wallet flags before everything else
  - [x] #21182 remove mostly pointless BOOST_PROCESS macro

  Potentially useful followups:
  - GUI support: bitcoin-core/gui#4
  - bumpfee support
  - (automatically) verify (a subset of) keys on the device after import, through message signing

ACKs for top commit:
  laanwj:
    re-ACK f75e0c1edd

Tree-SHA512: 7db8afd54762295c1424c3f01d8c587ec256a72f34bd5256e04b21832dabd5dc212be8ab975ae3b67de75259fd569a561491945750492f417111dc7b6641e77f
2021-02-23 17:56:43 +01:00
..
man scripted-diff: Fix typo in stub manual pages 2021-01-12 16:46:55 +01:00
release-notes Fix 0.21.0 release note to specify correct option BIP 157 support 2021-01-15 14:05:59 -06:00
.gitignore Ignore Doxyfile generated from Doxyfile.in template. 2017-04-07 16:28:12 +02:00
assets-attribution.md [doc] Merge doc/assets-attribution.md into contrib/debian/copyright 2015-09-18 18:14:42 +02:00
benchmarking.md Replace current benchmarking framework with nanobench 2020-06-13 12:24:18 +02:00
bips.md doc/bips: Add BIPs 43, 44, 49, and 84 2021-02-12 20:48:18 +00:00
bitcoin-conf.md doc: add default bitcoin.conf locations 2019-08-19 19:34:57 +02:00
bitcoin_logo_doxygen.png Lossless image optimization 2013-12-02 10:10:22 +01:00
build-freebsd.md doc: Update for FreeBSD 12.2, add GUI Build Instructions 2020-12-10 15:38:20 -05:00
build-netbsd.md doc: mention MAKE=gmake workaround when building on a BSD 2020-03-18 07:55:07 +08:00
build-openbsd.md doc: Add bash as an OpenBSD dependency 2020-11-26 21:34:25 +01:00
build-osx.md doc: Add explicit macdeployqtplus dependencies install step 2021-01-09 09:37:12 +02:00
build-unix.md build: explicitly install libboost-dev package 2021-02-17 09:04:20 +08:00
build-windows.md Add Windows WSL build recommendation to temporarily disable Win32 PE support. 2020-06-29 13:25:59 +01:00
dependencies.md doc: Add libnatpmp stuff 2021-01-07 18:07:10 +02:00
descriptors.md docs: correctly identify script type 2021-02-07 12:20:01 -06:00
developer-notes.md [doc] Add a note about where lock annotations should go. 2021-02-17 15:58:23 -08:00
dnsseed-policy.md Correct spelling mistakes in doc folder 2015-10-18 06:25:43 +10:00
Doxyfile.in configure: add --enable-external-signer 2021-02-21 16:27:10 +01:00
external-signer.md doc: add external-signer.md 2021-02-23 14:34:32 +01:00
files.md Merge #20152: doc: Update wallet files in files.md 2020-10-27 15:43:53 +08:00
fuzzing.md Merge #20380: doc: Add instructions on how to fuzz the P2P layer using Honggfuzz NetDriver 2021-02-17 09:50:56 +01:00
gitian-building.md doc: move gitian building to external repo 2017-09-25 15:45:38 +02:00
guix.md docs: Point to contrib/guix/README.md in doc/guix.md 2021-01-08 11:40:01 -05:00
init.md doc: Replace tabs for spaces 2021-02-04 12:06:13 +00:00
JSON-RPC-interface.md Update 'Secure string handling' 2020-12-29 01:49:30 +05:30
multiprocess.md build: multiprocess autotools changes 2020-05-12 09:47:06 -04:00
productivity.md doc: Add libnatpmp stuff 2021-01-07 18:07:10 +02:00
psbt.md doc: fix/improve analyzepsbt in doc/psbt.md 2019-05-19 17:31:37 +02:00
README.md doc: Update webchat URLs in README.md 2020-04-02 13:09:55 +00:00
README_doxygen.md doc: Improve doxygen readme navigation section 2019-09-23 19:22:06 -04:00
README_windows.txt doc: Remove version numbers from READMEs 2017-04-05 09:40:48 +02:00
reduce-memory.md doc: block-relay-only is not blocksonly 2020-03-30 09:09:12 -04:00
reduce-traffic.md doc: Use precise permission flags where possible 2020-07-10 15:37:42 +02:00
release-notes-18077.md doc: Add release notes 2021-01-07 18:07:11 +02:00
release-notes-19776.md doc: release note for new getpeerinfo fields "bip152_hb_{from,to}" 2020-09-29 00:42:06 +02:00
release-notes.md Add release notes for listdescriptors RPC 2021-02-02 08:21:46 +01:00
release-process.md doc: Document use of make-tag script to make tags 2021-01-29 08:46:11 +01:00
REST-interface.md rpc: Return total fee in mempool 2021-01-28 10:43:22 +01:00
shared-libraries.md doc: libbitcoinconsensus: add missing error code description, fix NBitcoin link 2020-12-05 13:37:00 +01:00
tor.md doc: Replace tabs for spaces 2021-02-04 12:06:13 +00:00
translation_process.md build: Factor out qt translations from build system 2019-09-29 14:24:54 +02:00
translation_strings_policy.md doc: Do not translate technical or extremely rare errors 2020-05-05 04:46:08 +03:00
zmq.md doc: Adjust ZMQ usage to support multiple interfaces 2020-09-23 23:14:28 +02:00

README.md

Bitcoin Core

Setup

Bitcoin Core is the original Bitcoin client and it builds the backbone of the network. It downloads and, by default, stores the entire history of Bitcoin transactions, which requires a few hundred gigabytes of disk space. Depending on the speed of your computer and network connection, the synchronization process can take anywhere from a few hours to a day or more.

To download Bitcoin Core, visit bitcoincore.org.

Running

The following are some helpful notes on how to run Bitcoin Core on your native platform.

Unix

Unpack the files into a directory and run:

  • bin/bitcoin-qt (GUI) or
  • bin/bitcoind (headless)

Windows

Unpack the files into a directory, and then run bitcoin-qt.exe.

macOS

Drag Bitcoin Core to your applications folder, and then run Bitcoin Core.

Need Help?

Building

The following are developer notes on how to build Bitcoin Core on your native platform. They are not complete guides, but include notes on the necessary libraries, compile flags, etc.

Development

The Bitcoin repo's root README contains relevant information on the development process and automated testing.

Resources

Miscellaneous

License

Distributed under the MIT software license.