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Wladimir J. van der Laan 7f609f68d8
Merge #19731: net, rpc: expose nLastBlockTime/nLastTXTime as last block/last_transaction in getpeerinfo 
5da96210fc doc: release note for getpeerinfo last_block/last_transaction (Jon Atack)
cfef5a2c98 test: rpc_net.py logging and test naming improvements (Jon Atack)
21c57bacda test: getpeerinfo last_block and last_transaction tests (Jon Atack)
8a560a7d57 rpc: expose nLastBlockTime/TXTime as getpeerinfo last_block/transaction (Jon Atack)
02fbe3ae0b net: add nLastBlockTime/TXTime to CNodeStats, CNode::copyStats (Jon Atack)

Pull request description:

  This PR adds inbound peer eviction criteria `nLastBlockTime` and `nLastTXTime` to `CNodeStats` and `CNode::copyStats`, which then allows exposing them in the next commit as `last_transaction` and `last_block` Unix Epoch Time fields in RPC `getpeerinfo`.

  This may be useful for writing missing eviction tests. I'd also like to add `lasttx` and `lastblk` columns to the `-netinfo` dashboard as described in https://github.com/bitcoin/bitcoin/pull/19643#issuecomment-671093420.

  Relevant discussion at the p2p irc meeting http://www.erisian.com.au/bitcoin-core-dev/log-2020-08-11.html#l-549:
  ```text
  <jonatack> i was specifically trying to observe and figure out how to test https://github.com/bitcoin/bitcoin/issues/19500
  <jonatack> which made me realise that i didn't know what was going on with my peer conns in enough detail
  <jonatack> i'm running bitcoin locally with nLastBlockTime and nLastTXTime added to getpeerinfo for my peer connections dashboard
  <jonatack> sipa: is there a good reason why that (eviction criteria) data is not exposed through getpeerinfo currently?
  <sipa> jonatack: nope; i suspect just nobody ever added it
  <jonatack> sipa: thanks. will propose.
  ```

  The last commit is optional, but I think it would be good to have logging in `rpc_net.py`.

ACKs for top commit:
  jnewbery:
    Code review ACK 5da96210fc
  theStack:
    Code Review ACK 5da96210fc
  darosior:
    ACK 5da96210fc

Tree-SHA512: 2db164bc979c014837a676e890869a128beb7cf40114853239e7280f57e768bcb43bff6c1ea76a61556212135281863b5290b50ff9d24fce16c5b89b55d4cd70
2020-08-24 17:03:07 +02:00
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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 Merge #19258: doc: improve subtree check instructions 2020-07-09 17:52:54 +02:00
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
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 Add loadwallet and createwallet RPC load_on_startup options 2020-08-13 09:44:48 -04:00
release-notes-16525.md Additionally treat Tx.nVersion as unsigned in joinpsbts 2019-09-03 10:53:45 -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 doc: Add release notes for getindexinfo RPC 2020-08-16 11:15:52 +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 Add a link from ZMQ doc to ZMQ example in contrib/ 2020-05-12 16:06:28 +08:00

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.