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166 lines
6.4 KiB
166 lines
6.4 KiB
9 years ago
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Bitcoin Core version 0.10.3 is now available from:
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<https://bitcoin.org/bin/bitcoin-core-0.10.3/>
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This is a new minor version release, bringing security fixes and translation
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updates. It is recommended to upgrade to this version as soon as possible.
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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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Upgrading and downgrading
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=========================
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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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Downgrade warning
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------------------
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Because release 0.10.0 and later makes use of headers-first synchronization and
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parallel block download (see further), the block files and databases are not
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backwards-compatible with pre-0.10 versions of Bitcoin Core or other software:
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* Blocks will be stored on disk out of order (in the order they are
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received, really), which makes it incompatible with some tools or
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other programs. Reindexing using earlier versions will also not work
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anymore as a result of this.
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* The block index database will now hold headers for which no block is
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stored on disk, which earlier versions won't support.
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If you want to be able to downgrade smoothly, make a backup of your entire data
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directory. Without this your node will need start syncing (or importing from
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bootstrap.dat) anew afterwards. It is possible that the data from a completely
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synchronised 0.10 node may be usable in older versions as-is, but this is not
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supported and may break as soon as the older version attempts to reindex.
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This does not affect wallet forward or backward compatibility.
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Notable changes
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===============
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Fix buffer overflow in bundled upnp
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------------------------------------
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Bundled miniupnpc was updated to 1.9.20151008. This fixes a buffer overflow in
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the XML parser during initial network discovery.
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Details can be found here: http://talosintel.com/reports/TALOS-2015-0035/
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This applies to the distributed executables only, not when building from source or
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using distribution provided packages.
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Additionally, upnp has been disabled by default. This may result in a lower
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number of reachable nodes on IPv4, however this prevents future libupnpc
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vulnerabilities from being a structural risk to the network
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(see https://github.com/bitcoin/bitcoin/pull/6795).
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Test for LowS signatures before relaying
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-----------------------------------------
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Make the node require the canonical 'low-s' encoding for ECDSA signatures when
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relaying or mining. This removes a nuisance malleability vector.
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Consensus behavior is unchanged.
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If widely deployed this change would eliminate the last remaining known vector
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for nuisance malleability on SIGHASH_ALL P2PKH transactions. On the down-side
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it will block most transactions made by sufficiently out of date software.
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Unlike the other avenues to change txids on transactions this
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one was randomly violated by all deployed bitcoin software prior to
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its discovery. So, while other malleability vectors where made
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non-standard as soon as they were discovered, this one has remained
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permitted. Even BIP62 did not propose applying this rule to
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old version transactions, but conforming implementations have become
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much more common since BIP62 was initially written.
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Bitcoin Core has produced compatible signatures since a28fb70e in
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September 2013, but this didn't make it into a release until 0.9
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in March 2014; Bitcoinj has done so for a similar span of time.
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Bitcoinjs and electrum have been more recently updated.
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This does not replace the need for BIP62 or similar, as miners can
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still cooperate to break transactions. Nor does it replace the
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need for wallet software to handle malleability sanely[1]. This
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only eliminates the cheap and irritating DOS attack.
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[1] On the Malleability of Bitcoin Transactions
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Marcin Andrychowicz, Stefan Dziembowski, Daniel Malinowski, Łukasz Mazurek
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http://fc15.ifca.ai/preproceedings/bitcoin/paper_9.pdf
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Minimum relay fee default increase
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-----------------------------------
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The default for the `-minrelaytxfee` setting has been increased from `0.00001`
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to `0.00005`.
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This is necessitated by the current transaction flooding, causing
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outrageous memory usage on nodes due to the mempool ballooning. This is a
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temporary measure, bridging the time until a dynamic method for determining
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this fee is merged (which will be in 0.12).
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(see https://github.com/bitcoin/bitcoin/pull/6793, as well as the 0.11.0
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release notes, in which this value was suggested)
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0.10.3 Change log
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=================
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Detailed release notes follow. This overview includes changes that affect external
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behavior, not code moves, refactors or string updates.
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- #6186 `e4a7d51` Fix two problems in CSubnet parsing
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- #6153 `ebd7d8d` Parameter interaction: disable upnp if -proxy set
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- #6203 `ecc96f5` Remove P2SH coinbase flag, no longer interesting
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- #6226 `181771b` json: fail read_string if string contains trailing garbage
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- #6244 `09334e0` configure: Detect (and reject) LibreSSL
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- #6276 `0fd8464` Fix getbalance * 0
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- #6274 `be64204` Add option `-alerts` to opt out of alert system
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- #6319 `3f55638` doc: update mailing list address
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- #6438 `7e66e9c` openssl: avoid config file load/race
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- #6439 `255eced` Updated URL location of netinstall for Debian
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- #6412 `0739e6e` Test whether created sockets are select()able
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- #6694 `f696ea1` [QT] fix thin space word wrap line brake issue
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- #6704 `743cc9e` Backport bugfixes to 0.10
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- #6769 `1cea6b0` Test LowS in standardness, removes nuisance malleability vector.
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- #6789 `093d7b5` Update miniupnpc to 1.9.20151008
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- #6795 `f2778e0` net: Disable upnp by default
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- #6797 `91ef4d9` Do not store more than 200 timedata samples
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- #6793 `842c48d` Bump minrelaytxfee default
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Credits
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=======
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Thanks to everyone who directly contributed to this release:
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- Adam Weiss
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- Alex Morcos
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- Casey Rodarmor
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- Cory Fields
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- fanquake
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- Gregory Maxwell
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- Jonas Schnelli
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- J Ross Nicoll
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- Luke Dashjr
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- Pavel Vasin
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- Pieter Wuille
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- randy-waterhouse
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- ฿tcDrak
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- Tom Harding
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- Veres Lajos
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- Wladimir J. van der Laan
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And all those who contributed additional code review and/or security research:
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- timothy on IRC for reporting the issue
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- Vulnerability in miniupnp discovered by Aleksandar Nikolic of Cisco Talos
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As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/bitcoin/).
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