Merge pull request #186 from vertoe/devel-0.9
Draft release notes for 0.11.2 to include BIP 66.
This commit is contained in:
evan82
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Bitcoin Core version 0.9.4 is now available from:
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Darkcoin Core tree 0.11.x release notes can be found here:
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https://bitcoin.org/bin/0.9.4/
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This is a new minor version release, bringing only bug fixes and updated
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translations. Upgrading to this release is recommended.
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Please report bugs using the issue tracker at github:
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https://github.com/bitcoin/bitcoin/issues
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How to Upgrade
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===============
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If you are running an older version, shut it down. Wait until it has completely
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shut down (which might take a few minutes for older versions), then run the
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installer (on Windows) or just copy over /Applications/Bitcoin-Qt (on Mac) or
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bitcoind/bitcoin-qt (on Linux).
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OpenSSL Warning
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================
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OpenSSL 1.0.0p / 1.0.1k was recently released and is being pushed out by
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various operating system maintainers. Review by Gregory Maxwell determined that
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this update is incompatible with the Bitcoin system and could lead to consensus
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forks.
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Bitcoin Core released binaries from https://bitcoin.org are unaffected,
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as are any built with the gitian deterministic build system.
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However, if you are running either
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- The Ubuntu PPA from https://launchpad.net/~bitcoin/+archive/ubuntu/bitcoin
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- A third-party or self-compiled Bitcoin Core
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upgrade to Bitcoin Core 0.9.4, which includes a workaround, **before** updating
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OpenSSL.
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The incompatibility is due to the OpenSSL update changing the
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behavior of ECDSA validation to reject any signature which is
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not encoded in a very rigid manner. This was a result of
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OpenSSL's change for CVE-2014-8275 "Certificate fingerprints
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can be modified".
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We are specifically aware of potential hard-forks due to signature
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encoding handling and had been hoping to close them via BIP62 in 0.10.
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BIP62's purpose is to improve transaction malleability handling and
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as a side effect rigidly defines the encoding for signatures, but the
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overall scope of BIP62 has made it take longer than we'd like to
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deploy.
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0.9.4 changelog
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================
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Validation:
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- `b8e81b7` consensus: guard against openssl's new strict DER checks
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- `60c51f1` fail immediately on an empty signature
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- `037bfef` Improve robustness of DER recoding code
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Command-line options:
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- `cd5164a` Make -proxy set all network types, avoiding a connect leak.
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P2P:
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- `bb424e4` Limit the number of new addressses to accumulate
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RPC:
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- `0a94661` Disable SSLv3 (in favor of TLS) for the RPC client and server.
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Build system:
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- `f047dfa` gitian: openssl-1.0.1i.tar.gz -> openssl-1.0.1k.tar.gz
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- `5b9f78d` build: Fix OSX build when using Homebrew and qt5
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- `ffab1dd` Keep symlinks when copying into .app bundle
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- `613247f` osx: fix signing to make Gatekeeper happy (again)
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Miscellaneous:
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- `25b49b5` Refactor -alertnotify code
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- `2743529` doc: Add instructions for consistent Mac OS X build names
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Credits
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--------
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Thanks to who contributed to this release, at least:
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- Cory Fields
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- Gavin Andresen
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- Gregory Maxwell
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- Jeff Garzik
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- Luke Dashjr
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- Matt Corallo
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- Pieter Wuille
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- Saivann
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- Sergio Demian Lerner
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- Wladimir J. van der Laan
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As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/bitcoin/).
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- [v0.11.0](release-notes/release-notes-0.11.0.md) released Jan/15/2015
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- [v0.11.1](release-notes/release-notes-0.11.1.md) released Feb/10/2015.
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- [v0.11.2](release-notes/release-notes-0.11.2.md) not released yet.
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78
doc/release-notes/release-notes-0.11.2.md
Normal file
78
doc/release-notes/release-notes-0.11.2.md
Normal file
@ -0,0 +1,78 @@
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*This is a draft!*
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0.11.2 Release notes
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====================
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Darkcoin Core version 0.11.2 is now available from:
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https://darkcoin.io/downloads
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Please report bugs using the issue tracker at github:
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https://github.com/darkcoin/darkcoin/issues
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Mining and relay policy enhancements
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------------------------------------
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Darkcoin Core's block templates are now for version 3 blocks only, and any
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mining software relying on its `getblocktemplate` must be updated in parallel
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to use libblkmaker either version 0.4.2 or any version from 0.5.1 onward. If you
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are solo mining, this will affect you the moment you upgrade Darkcoin Core,
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which must be done prior to BIP66 achieving its 951/1001 status. If you are
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mining with the stratum mining protocol: this does not affect you. If you are
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mining with the getblocktemplate protocol to a pool: this will affect you at the
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pool operator's discretion, which must be no later than BIP66 achieving its
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951/1001 status.
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BIP 66: strict DER encoding for signatures
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------------------------------------------
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Darkcoin Core 0.11.2 implements BIP 66, which introduces block version 3, and a
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new consensus rule, which prohibits non-DER signatures. Such transactions have
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been non-standard since Darkcoin 0.8, but were technically still permitted
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inside blocks.
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This change breaks the dependency on OpenSSL's signature parsing, and is
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required if implementations would want to remove all of OpenSSL from the
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consensus code.
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The same miner-voting mechanism as in BIP 34 is used: when 751 out of a
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sequence of 1001 blocks have version number 3 or higher, the new consensus
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rule becomes active for those blocks. When 951 out of a sequence of 1001
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blocks have version number 3 or higher, it becomes mandatory for all blocks.
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Backward compatibility with current mining software is NOT provided, thus
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miners should read the first paragraph of "Mining and relay policy
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enhancements" above.
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Also compare with [upstream release notes](https://github.com/bitcoin/bitcoin/blob/0.10/doc/release-notes.md#mining-and-relay-policy-enhancements).
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More info on [BIP 66](https://github.com/bitcoin/bips/blob/master/bip-0066.mediawiki).
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How to Upgrade
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--------------
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If you are running an older version, shut it down. Wait until it has completely
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shut down (which might take a few minutes for older versions), then run the
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installer (on Windows) or just copy over /Applications/Darkcoin-Qt (on Mac) or
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darkcoind/darkcoin-qt (on Linux).
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0.11.2 changelog
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----------------
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- *to do ..*
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Credits
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--------
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Thanks to who contributed to this release, at least:
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- *to do ..*
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As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/darkcoin/).
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