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Wladimir J. van der Laan 0bd4929cd0
Merge #20284: addrman: ensure old versions don't parse peers.dat 
38ada892ed addrman: ensure old versions don't parse peers.dat (Vasil Dimov)

Pull request description:

  Even though the format of `peers.dat` was changed in a backwards
  incompatible way, it is not guaranteed that old versions will fail to
  parse it. There is a chance that old versions parse its contents as
  garbage and use it.

  Old versions expect the "key size" field to be 32 and fail the parsing
  if it is not. Thus, we put something other than 32 in it. This will make
  versions between 0.11.0 and 0.20.1 deterministically fail on the new
  format. Versions prior to https://github.com/bitcoin/bitcoin/pull/5941
  will still parse it as garbage.

  Also, introduce a way to increment the `peers.dat` format in a way that
  does not necessary make older versions refuse to read it.

ACKs for top commit:
  jnewbery:
    ACK 38ada892ed
  laanwj:
    Code review ACK 38ada892ed
  MarcoFalke:
    re-ACK 38ada892ed 🥐

Tree-SHA512: 550bd660c5019dba0f9c334aca8a11c4a0463cfddf11efe7a4a5585ffb05549c82b95066fba5d073ae37893e0eccc158a7ffea9b33ea031d9be4a39e44f6face
2020-11-12 17:05:51 +01:00
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release-notes doc: Add historical release notes for 0.20.1 2020-08-01 14:17:14 +02:00
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benchmarking.md Replace current benchmarking framework with nanobench 2020-06-13 12:24:18 +02:00
bips.md docs: mention BIPs 340-342 in doc/bips.md 2020-10-15 14:20:20 -07:00
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build-openbsd.md Add OpenBSD instructions for building the Qt GUI 2020-09-10 16:02:10 +02:00
build-osx.md Include sqlite3 in documentation 2020-10-14 11:28:18 -04:00
build-unix.md Make sqlite support optional (compile-time) 2020-10-20 13:44:43 +00:00
build-windows.md Add Windows WSL build recommendation to temporarily disable Win32 PE support. 2020-06-29 13:25:59 +01:00
dependencies.md Make sqlite support optional (compile-time) 2020-10-20 13:44:43 +00:00
descriptors.md
developer-notes.md Remove unused LockAssertion struct 2020-09-19 18:02:42 +03:00
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files.md Merge #20152: doc: Update wallet files in files.md 2020-10-27 15:43:53 +08:00
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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
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reduce-traffic.md doc: Use precise permission flags where possible 2020-07-10 15:37:42 +02:00
release-notes.md addrman: ensure old versions don't parse peers.dat 2020-11-11 16:05:15 +01:00
release-process.md doc: fix getchaintxstats fields in release-process.md 2020-11-01 22:19:24 +01:00
REST-interface.md Merge #19390: doc/REST-interface: Remove stale info 2020-06-29 13:32:01 +08:00
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tor.md doc: Update onion service target port numbers in tor.md 2020-10-01 19:19:43 +03:00
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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.