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a9335e4f12
f75e0c1edde39a91cc353b0102638e232def9476 doc: add external-signer.md (Sjors Provoost) d4b0107d68a91ed4d1a5c78c8ca76251329d3f3c rpc: send: support external signer (Sjors Provoost) 245b4457cf9265190a05529a0a97e1cb258cca8a rpc: signerdisplayaddress (Sjors Provoost) 7ebc7c0215979c53b92a436acc8b5b607b8d735a wallet: ExternalSigner: add GetDescriptors method (Sjors Provoost) fc5da520f5c72287f59823b8a6d748dda49c574a wallet: add GetExternalSigner() (Sjors Provoost) 259f52cc33817a00b91ec9c7d078c07b88db7ab4 test: external_signer wallet flag is immutable (Sjors Provoost) 2655197e1c2dea9536c32afe1482ced4a1f481e9 rpc: add external_signer option to createwallet (Sjors Provoost) 2700f09c4130af6167ce71f46960e92ca800e205 rpc: signer: add enumeratesigners to list external signers (Sjors Provoost) 07b7c940a7da138d55a484ef83fee19ebf58a867 rpc: add external signer RPC files (Sjors Provoost) 8ce7767071779a0170364e6426bd393ed71bf281 wallet: add ExternalSignerScriptPubKeyMan (Sjors Provoost) 157ea7c614950d61bfe405310e2aaabcee31f7a3 wallet: add external_signer flag (Sjors Provoost) f3e6ce78fba2b31173fe7b606aa9edb5b615bff3 test: add external signer test (Sjors Provoost) 8cf543f96dcd6fdfac1367b9e2b1d7d51be8bb76 wallet: add -signer argument for external signer command (Sjors Provoost) f7eb7ecc6750ab267a979d9268ce5b5d151c26de test: framework: add skip_if_no_external_signer (Sjors Provoost) 87a97941f667483bbf2ab00929e03a2199cb8a62 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 f75e0c1edde39a91cc353b0102638e232def9476 Tree-SHA512: 7db8afd54762295c1424c3f01d8c587ec256a72f34bd5256e04b21832dabd5dc212be8ab975ae3b67de75259fd569a561491945750492f417111dc7b6641e77f
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) orbin/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?
- See the documentation at the Bitcoin Wiki for help and more information.
- Ask for help on #bitcoin on Freenode. If you don't have an IRC client, use webchat here.
- Ask for help on the BitcoinTalk forums, in the Technical Support board.
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.
- Dependencies
- macOS Build Notes
- Unix Build Notes
- Windows Build Notes
- FreeBSD Build Notes
- OpenBSD Build Notes
- NetBSD Build Notes
- Gitian Building Guide (External Link)
Development
The Bitcoin repo's root README contains relevant information on the development process and automated testing.
- Developer Notes
- Productivity Notes
- Release Notes
- Release Process
- Source Code Documentation (External Link)
- Translation Process
- Translation Strings Policy
- JSON-RPC Interface
- Unauthenticated REST Interface
- Shared Libraries
- BIPS
- Dnsseed Policy
- Benchmarking
Resources
- Discuss on the BitcoinTalk forums, in the Development & Technical Discussion board.
- Discuss project-specific development on #bitcoin-core-dev on Freenode. If you don't have an IRC client, use webchat here.
- Discuss general Bitcoin development on #bitcoin-dev on Freenode. If you don't have an IRC client, use webchat here.
Miscellaneous
- Assets Attribution
- bitcoin.conf Configuration File
- Files
- Fuzz-testing
- Reduce Memory
- Reduce Traffic
- Tor Support
- Init Scripts (systemd/upstart/openrc)
- ZMQ
- PSBT support
License
Distributed under the MIT software license.