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python-bitcoinlib release notes

v0.5.0

Major fix: Fixed OpenSSL related crashes on OSX and Arch Linux. Big thanks to everyone who helped fix this!

Breaking API changes:

  • Proxy no longer has __getattr__ to support arbitrary methods. Use RawProxy or Proxy.call instead. This allows new wrappers to be added safely. See docstrings for details.

New features:

  • New RPC calls: getbestblockhash, getblockcount, getmininginfo
  • Signing and verification of Bitcoin Core compatible messages. (w/ pubkey recovery)
  • Tox tests
  • Sphinx docs

Notable bugfixes:

  • getinfo() now works where disablewallet=1

v0.4.0

Major fix: OpenSSL 1.0.1k rejects non-canonical DER signatures, which Bitcoin Core does not, so we now canonicalize signatures prior to passing them to OpenSSL. Secondly we now only generate low-S DER signatures as per BIP62.

API changes that might break compatibility with existing code:

  • MAX_MONEY is now a core chain parameter
  • MainParams now inherits from CoreMainParams rather than CoreChainParams
  • str() now returns hash:n format; previously was same as repr()
  • RawProxy() no longer has _connection parameter

Notable bugfixes:

  • MsgSerializable.to_bytes() no longer clobbers testnet params
  • HTTPS RPC connections now use port 443 as default
  • No longer assumes bitcoin.conf specifes rpcuser

New features:

  • New RPC calls: dumpprivkey, importaddress
  • Added P2P support for msg_notfound and msg_reject
  • Added support for IPv6 addr messages

v0.3.0

Major change: cleaned up what symbols are exported by modules. __all__ is now used extensively, which may break some applications that were not importing the right modules. Along those lines some implementation details like the ssl attribute of the bitcoin.core.key module, and the entire bitcoin.core.bignum module, are no longer part of the public API. This should not affect too many users, but it will break some code.

Other notable changes:

  • New getreceivedbyaddress RPC call.
  • Fixed getbalance RPC call when wallet is configured off.
  • Various code cleanups and minor bug fixes.

v0.2.1

  • Improve bitcoin address handling. P2SH and P2PKH addresses now get their own classes - P2SHBitcoinAddress and P2PKHBitcoinAddress respectively - and P2PKH can now convert scriptPubKeys containing non-canonical pushes as well as bare checksig to addresses.
  • .deserialize() methods now fail if there is extra data left over.
  • Various other small bugfixes.
  • License is now LGPL v3 or later.

v0.2.0

Major change: CTransaction, CBlock, etc. now come in immutable (default) and mutable forms. In most cases mutable and immutable can be used interchangeably; when that is not possible methods are provided to create new (im)mutable objects from (im)mutable ones efficiently.

Other changes:

  • New BIP70 payment protocol example. (Derren Desouza)
  • Rework of message serialization. Note that this may not represent the final form of P2P support, which is still in flux. (Florian Schmaus)
  • Various bugfixes

Finally starting this release, git tags will be of the form 'python-bitcoinlib-(version)', replacing the less specific '(version)' form previously used.