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Samuel Dobson ffaac6e614
Merge #16378: The ultimate send RPC 
92326d8976 [rpc] add send method (Sjors Provoost)
2c2a1445dc [rpc] add snake case aliases for transaction methods (Sjors Provoost)
1bc8d0fd59 [rpc] walletcreatefundedpsbt: allow inputs to be null (Sjors Provoost)

Pull request description:

  `walletcreatefundedpsbt` has some interesting features that `sendtoaddress` and `sendmany` don't have:
  * manual coin selection
  * outputting a PSBT (it was controversial to add this, see #18201)
  * create a transaction without adding to wallet (which leads to broadcasting, unless `-walletbroadcast=0`)

  At the same time `walletcreatefundedpsbt` can't broadcast a transaction, which is inconvenient for simple use cases.

  This PR introduces a new `send` RPC method which creates a PSBT, signs it if possible and adds it to the wallet by default. If it can't sign all inputs, it outputs a PSBT. If `add_to_wallet` is set to `false` it will return the transaction in both PSBT and hex format.

  Because it uses a PSBT internally, it will much easier to add hardware wallet support to this method (see #16546).

  For `bitcoin-cli` users, it tries to keep the simplest use case easy to use:

  ```sh
  bitcoin-cli -regtest send '{"ADDRESS": 0.1}' 1 sat/b
  ```

  This paves the way for deprecating `sendtoaddress` and `sendmany` though there's no rush. The only missing feature compared to these older methods is adding labels to a destination address.

  Depends on:
  - [x] #16377 (`[rpc] don't automatically append inputs in walletcreatefundedpsbt`)
  - [x] #11413 (`[wallet] [rpc] sendtoaddress/sendmany: Add explicit feerate option`)
  - [x] #18244 (`[rpc] have lockUnspents also lock manually selected coins`)

ACKs for top commit:
  meshcollider:
    Light re-utACK 92326d8976
  achow101:
    ACK 92326d8976 Reviewed code and test, ran tests.
  kallewoof:
    utACK 92326d8976

Tree-SHA512: 7552ef1b193d4c06e381c44932fdb0d54f64383e4c7d6b988f49d059c7d4bba45ce6aa7813e03df86360ad9dad6f3010eb76ee7da480551742d5fd98c2251c0f
2020-09-15 14:49:08 +12:00
..
man doc: remove OpenSSL from build instructions and licensing info 2019-11-18 08:56:48 -05:00
release-notes doc: Add historical release notes for 0.20.1 2020-08-01 14:17:14 +02:00
.gitignore Ignore Doxyfile generated from Doxyfile.in template. 2017-04-07 16:28:12 +02:00
assets-attribution.md
benchmarking.md Replace current benchmarking framework with nanobench 2020-06-13 12:24:18 +02:00
bips.md doc: list support for BIP 339 in doc/bips.md 2020-07-30 12:39:34 -07:00
bitcoin-conf.md doc: add default bitcoin.conf locations 2019-08-19 19:34:57 +02:00
bitcoin_logo_doxygen.png
build-freebsd.md doc: mention MAKE=gmake workaround when building on a BSD 2020-03-18 07:55:07 +08:00
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: set CC_FOR_BUILD when building on OpenBSD 2020-07-28 16:29:47 +08:00
build-osx.md Merge #18070: doc: add note about brew doctor 2020-02-20 20:56:41 +08:00
build-unix.md doc: remove Boost Chrono from install docs 2020-03-07 08:34:31 +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 build: set minimum required Boost to 1.58 2020-08-05 17:13:45 +08:00
descriptors.md Output a descriptor in createmultisig and addmultisigaddress 2020-01-30 23:55:36 -05:00
developer-notes.md doc: Add best practice for annotating/asserting locks 2020-08-29 20:46:47 +03:00
dnsseed-policy.md
Doxyfile.in [doc] include Doxygen comments for HAVE_BOOST_PROCESS 2020-07-31 13:38:10 +02:00
files.md Replace hidden service with onion service 2020-08-07 14:55:02 +02:00
fuzzing.md doc: afl fuzzing comment about afl-gcc and afl-g++ 2020-07-05 20:55:11 -04:00
gitian-building.md doc: move gitian building to external repo 2017-09-25 15:45:38 +02:00
init.md fixing documentation to not require rpcpassword 2020-03-21 19:51:31 +05:30
JSON-RPC-interface.md Replace hidden service with onion service 2020-08-07 14:55:02 +02:00
multiprocess.md build: multiprocess autotools changes 2020-05-12 09:47:06 -04:00
productivity.md doc: Drop protobuf stuff 2020-05-23 10:14:18 +03:00
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-14582.md doc: release notes for -maxapsfee 2020-08-18 15:30:36 +09:00
release-notes-15937.md wallet: Reload previously loaded wallets on GUI startup 2020-09-01 12:13:50 -04:00
release-notes-16378.md [rpc] add send method 2020-09-10 13:44:53 +02:00
release-notes-16525.md Additionally treat Tx.nVersion as unsigned in joinpsbts 2019-09-03 10:53:45 -04:00
release-notes-18244.md [rpc] fundrawtransaction, walletcreatefundedpsbt lock manually selected coins 2020-08-07 14:13:15 +02:00
release-notes-19405.md Add in/out connections to cli -getinfo 2020-08-24 18:41:24 +02:00
release-notes-19671.md Remove -zapwallettxes 2020-08-31 12:39:19 -04:00
release-notes-19731.md doc: release note for getpeerinfo last_block/last_transaction 2020-08-15 15:26:33 +02:00
release-notes.md Merge #19628: net: change CNetAddr::ip to have flexible size 2020-08-25 18:10:25 +02:00
release-process.md [doc] fix git add argument 2020-04-03 12:52:36 +02:00
REST-interface.md Merge #19390: doc/REST-interface: Remove stale info 2020-06-29 13:32:01 +08:00
shared-libraries.md doc: correct bitcoinconsensus_version in shared-libraries 2019-04-07 21:42:32 +08:00
tor.md Replace hidden service with onion service 2020-08-07 14:55:02 +02:00
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: update PyZMQ installation instructions, ZeroMQ link 2020-09-04 17:48:02 +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.