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b3bb4031ab
c48846ec41doc: add release notes for #32540 (Roman Zeyde)d4e212e8a6rest: fetch spent transaction outputs by blockhash (Roman Zeyde) Pull request description: Today, it is possible to fetch a block's spent prevouts in order to build an external index by using the `/rest/block/BLOCKHASH.json` endpoint. However, its performance is low due to JSON serialization overhead. We can significantly optimize it by adding a new [REST API](https://github.com/bitcoin/bitcoin/blob/master/doc/REST-interface.md) endpoint, using a binary response format (returning a collection of spent txout lists, one per each block transaction): ``` $ BLOCKHASH=00000000000000000002a7c4c1e48d76c5a37902165a270156b7a8d72728a054 $ ab -k -c 1 -n 100 http://localhost:8332/rest/block/$BLOCKHASH.json Document Length: 13278152 bytes Requests per second: 3.53 [#/sec] (mean) Time per request: 283.569 [ms] (mean) $ ab -k -c 1 -n 10000 http://localhost:8332/rest/spenttxouts/$BLOCKHASH.bin Document Length: 195591 bytes Requests per second: 254.47 [#/sec] (mean) Time per request: 3.930 [ms] (mean) ``` Currently, this PR is being used and tested by Bindex[^1]. This PR would allow to improve the performance of external indexers such as electrs[^2], ElectrumX[^3], Fulcrum[^4] and Blockbook[^5]. [^1]: https://github.com/romanz/bindex-rs [^2]: https://github.com/romanz/electrs (also [blockstream.info](https://github.com/Blockstream/electrs) and [mempool.space](https://github.com/mempool/electrs) forks) [^3]: https://github.com/spesmilo/electrumx [^4]: https://github.com/cculianu/Fulcrum [^5]: https://github.com/trezor/blockbook ACKs for top commit: maflcko: re-ACKc48846ec41📶 TheCharlatan: Re-ACKc48846ec41achow101: ACKc48846ec41Tree-SHA512: cf423541be90d6615289760494ae849b7239b69427036db6cc528ac81df10900f514471d81a460125522c5ffa31e9747ddfca187a1f93151e4ae77fe773c6b7b
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 several hundred gigabytes or more of disk space. Depending on the speed of your computer and network connection, the synchronization process can take anywhere from a few hours to several days 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)bin/bitcoin(wrapper command)
The bitcoin command supports subcommands like bitcoin gui, bitcoin node, and bitcoin rpc exposing different functionality. Subcommands can be listed with bitcoin help.
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 StackExchange.
- Ask for help on #bitcoin on Libera Chat. If you don't have an IRC client, you can use web.libera.chat.
- 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
Development
The Bitcoin repo's root README contains relevant information on the development process and automated testing.
- Developer Notes
- Productivity Notes
- Release Process
- Source Code Documentation (External Link)
- Translation Process
- Translation Strings Policy
- JSON-RPC Interface
- Unauthenticated REST Interface
- BIPS
- Dnsseed Policy
- Benchmarking
- Internal Design Docs
Resources
- Discuss on the BitcoinTalk forums, in the Development & Technical Discussion board.
- Discuss project-specific development on #bitcoin-core-dev on Libera Chat. If you don't have an IRC client, you can use web.libera.chat.
Miscellaneous
- Assets Attribution
- bitcoin.conf Configuration File
- CJDNS Support
- Files
- Fuzz-testing
- I2P Support
- Init Scripts (systemd/upstart/openrc)
- Managing Wallets
- Multisig Tutorial
- Offline Signing Tutorial
- P2P bad ports definition and list
- PSBT support
- Reduce Memory
- Reduce Traffic
- Tor Support
- Transaction Relay Policy
- ZMQ
License
Distributed under the MIT software license.