0.11.0 Release notes

Darkcoin Core 0.11.0 is forked off the Bitcoin Core 0.9.3. The old darkcoin versions 0.10.x were forked from the Litecoin 0.8 tree. The following changes are introduced in this major release. This list is compiled from the release notes of Bitcoin Core 0.9.0, 0.9.1, 0.9.2, 0.9.2.1, 0.9.3 and was completed with the introduced changes to the Darkcoin Core 0.11.0.

Darkcoin Core:

Rebrand to Darkcoin Core
Version bumped to 0.11 to indicate a new major release
Renamed client to identify with network from Satoshi to Core
Bumped protocol version to 70052
Changed p2sh-address versions to start with 7 (instead of 3, this affects public keys only, old scripts remain valid and usable!)
Changed testnet address versions to start with x or y (instead of m or n, this affects public keys only, old wallets remain valid and usable!)
Defined BIP32 (HD) address versions to start with drkp/drkv (DRKP/DRKV for testnet)
Adapted BIP44 coin type 5 for Darkcoin (0x80000005) as defined in SLIP-0044
Added new units: duffs (1 / 100.000.000 DRK)
Added units for testnet: tDRK, mtDRK, utDRK, tduffs
Added new DNS seed from masternode.io
Fixed wallet locking after sending coins
Consider generated coins mature at 101 instead of 120 blocks
Add -regtest mode, similar to testnet but private with instant block generation with setgenerate RPC.
Add separate darkcoin-cli client
Implemented KeyPass integration for CLI, RPC and Qt: keepass, keepassport, keepasskey, keepassid, keepassname

Masternodes:

Improve support for start-many with multi masternode config
New masternode rpc commands: stop-many, start-alias, stop-alias, list-conf
Fixed possible masternode payments exploit
Better support for non-specific masternode payments
Added masternode support for regtest
Randomly sort masternodes before picking next winner
Show number of masternodes in debug window

Darksend:

Reduced lower darksend limit to 1.5 DRK
Fixed progress bar calculation for low amounts
Improved support for adding DRK after anon has completed
Added denomination information to Overview tab
Added more detailed Darksend status information to Overview tab
Added Darksend high precision matching engine
Added Darksend balance to getinfo
Changed maximum rounds of mixing to 16

RPC:

Add getwalletinfo, getblockchaininfo and getnetworkinfo calls (will replace hodge-podge getinfo at some point)
Add a relayfee field to getnetworkinfo
Always show syncnode in getpeerinfo
sendrawtransaction: report the reject code and reason, and make it possible to re-send transactions that are already in the mempool
getmininginfo show right genproclimit
New notion of 'conflicted' transactions, reported as confirmations: -1
'listreceivedbyaddress' now provides tx ids
Add raw transaction hex to 'gettransaction' output
Updated help and tests for 'getreceivedby(account|address)'
In 'getblock', accept 2nd 'verbose' parameter, similar to getrawtransaction, but defaulting to 1 for backward compatibility
Add 'verifychain', to verify chain database at runtime
Add 'dumpwallet' and 'importwallet' RPCs
'keypoolrefill' gains optional size parameter
Add 'getbestblockhash', to return tip of best chain
Add 'chainwork' (the total work done by all blocks since the genesis block) to 'getblock' output
Make RPC password resistant to timing attacks
Clarify help messages and add examples
Add 'getrawchangeaddress' call for raw transaction change destinations
Reject insanely high fees by default in 'sendrawtransaction'
Add RPC call 'decodescript' to decode a hex-encoded transaction script
Make 'validateaddress' provide redeemScript
Add 'getnetworkhashps' to get the calculated network hashrate
New RPC 'ping' command to request ping, new 'pingtime' and 'pingwait' fields in 'getpeerinfo' output
Adding new 'addrlocal' field to 'getpeerinfo' output
Add verbose boolean to 'getrawmempool'
Add rpc command 'getunconfirmedbalance' to obtain total unconfirmed balance
Explicitly ensure that wallet is unlocked in importprivkey
Add check for valid keys in importprivkey
Disable SSLv3 (in favor of TLS) for the RPC client and server.

Command-line options:

Fix -printblocktree output
Show error message if ReadConfigFile fails
New option: -nospendzeroconfchange to never spend unconfirmed change outputs
New option: -zapwallettxes to rebuild the wallet's transaction information
Rename option '-tor' to '-onion' to better reflect what it does
Add '-disablewallet' mode to let darkcoind run entirely without wallet (when built with wallet)
Update default '-rpcsslciphers' to include TLSv1.2
make '-logtimestamps' default on and rework help-message
RPC client option: '-rpcwait', to wait for server start
Remove '-logtodebugger'
Allow -noserver with darkcoind
Make -proxy set all network types, avoiding a connect leak.

Block-chain handling and storage:

Upgrade leveldb to 1.17
Check for correct genesis (prevent cases where a datadir from the wrong network is accidentally loaded)
Allow txindex to be removed and add a reindex dialog
Log aborted block database rebuilds
Store orphan blocks in serialized form, to save memory
Limit the number of orphan blocks in memory to 750
Fix non-standard disconnected transactions causing mempool orphans

Protocol and network code:

Don't poll showmyip.com, it doesn't exist anymore
Add a way to limit deserialized string lengths and use it
Increase IsStandard() scriptSig length
Avoid querying DNS seeds, if we have open connections
Remove a useless millisleep in socket handler
Stricter memory limits on CNode
Better orphan transaction handling
Add -maxorphantx=<n> and -maxorphanblocks=<n> options for control over the maximum orphan transactions and blocks
Per-peer block download tracking and stalled download detection
Prevent socket leak in ThreadSocketHandler and correct some proxy related socket leaks
Use pnode->nLastRecv as sync score (was the wrong way around)
Drop the fee required to relay a transaction to 0.01mDRK per kilobyte
Send tx relay flag with version
New 'reject' P2P message (BIP 0061, see https://gist.github.com/gavinandresen/7079034 for draft)
Dump addresses every 15 minutes instead of 10 seconds
Relay OP_RETURN data TxOut as standard transaction type
Remove CENT-output free transaction rule when relaying
Lower maximum size for free transaction creation
Send multiple inv messages if mempool.size > MAX_INV_SZ
Split MIN_PROTO_VERSION into INIT_PROTO_VERSION and MIN_PEER_PROTO_VERSION
Do not treat fFromMe transaction differently when broadcasting
Process received messages one at a time without sleeping between messages
Improve logging of failed connections
Add some additional logging to give extra network insight
Limit the number of new addressses to accumulate

Wallet:

Check redeemScript size does not exceed 520 byte limit
Ignore (and warn about) too-long redeemScripts while loading wallet
Make GetAvailableCredit run GetHash() only once per transaction (performance improvement)
Lower paytxfee warning threshold
Fix importwallet nTimeFirstKey (trigger necessary rescans)
Log BerkeleyDB version at startup
CWallet init fix
Bug fixes and new regression tests to correctly compute the balance of wallets containing double-spent (or mutated) transactions
Store key creation time. Calculate whole-wallet birthday.
Optimize rescan to skip blocks prior to birthday
Let user select wallet file with -wallet=foo.dat
Don't count txins for priority to encourage sweeping
Don't create empty transactions when reading a corrupted wallet
Fix rescan to start from beginning after importprivkey

Mining:

Increase default -blockmaxsize/prioritysize to 750K/50K
'getblocktemplate' does not require a key to create a block template
Mining code fee policy now matches relay fee policy

GUI:

fix 'opens in testnet mode when presented with a BIP-72 link with no fallback'
AvailableCoins: acquire cs_main mutex
Fix unicode character display on MacOSX
Fix various coin control visual issues
Show number of in/out connections in debug console
Show weeks as well as years behind for long timespans behind
Enable and disable the Show and Remove buttons for requested payments history based on whether any entry is selected.
Show also value for options overridden on command line in options dialog
Fill in label from address book also for URIs
Fixes feel when resizing the last column on tables
Fix ESC in disablewallet mode
Add expert section to wallet tab in optionsdialog
Do proper boost::path conversion (fixes unicode in datadir)
Only override -datadir if different from the default (fixes -datadir in config file)
Show rescan progress at start-up
Show importwallet progress
Get required locks upfront in polling functions (avoids hanging on locks)
Catch Windows shutdown events while client is running
Optionally add third party links to transaction context menu
Check for !pixmap() before trying to export QR code (avoids crashes when no QR code could be generated)
Fix "Start darkcoin on system login"
Switch to Qt 5.2.0 for Windows build
Add payment request (BIP 0070) support
Improve options dialog
Show transaction fee in new send confirmation dialog
Add total balance in overview page
Allow user to choose data directory on first start, when data directory is missing, or when the -choosedatadir option is passed
Save and restore window positions
Add vout index to transaction id in transactions details dialog
Add network traffic graph in debug window
Add open URI dialog
Improve receive coins workflow: make the 'Receive' tab into a form to request payments, and move historical address list functionality to File menu.
Move initialization/shutdown to a thread. This prevents "Not responding" messages during startup. Also show a window during shutdown.
Don't regenerate autostart link on every client startup
Show and store message of normal darkcoin:URI
Fix richtext detection hang issue on very old Qt versions
OS X: Make use of the 10.8+ user notification center to display Growl-like notifications
OS X: Added NSHighResolutionCapable flag to Info.plist for better font rendering on Retina displays.
OS X: Fix darkcoin-qt startup crash when clicking dock icon
Linux: Fix Gnome darkcoin: URI handler

Validation:

Log reason for non-standard transaction rejection
Prune provably-unspendable outputs, and adapt consistency check for it.
Detect any sufficiently long fork and add a warning
Call the -alertnotify script when we see a long or invalid fork
Fix multi-block reorg transaction resurrection
Reject non-canonically-encoded serialization sizes
Reject dust amounts during validation
Accept nLockTime transactions that finalize in the next block
consensus: guard against openssl's new strict DER checks
fail immediately on an empty signature
Improve robustness of DER recoding code

Build system:

Add OSX build descriptors to gitian
Fix explicit --disable-qt-dbus
Don't require db_cxx.h when compiling with wallet disabled and GUI enabled
Improve missing boost error reporting
gitian-linux: --enable-glibc-back-compat for binary compatibility with old distributions
gitian: don't export any symbols from executable
gitian: build against Qt 4.6
devtools: add script to check symbols from Linux gitian executables
Remove build-time no-IPv6 setting
Add statically built executables to Linux build
Switch to autotools-based build system
Build without wallet by passing --disable-wallet to configure, this removes the BerkeleyDB dependency
Upgrade gitian dependencies (libpng, libz, libupnpc, boost, openssl) to more recent versions
Windows 64-bit build support
Solaris compatibility fixes
Check integrity of gitian input source tarballs
Enable full GCC Stack-smashing protection for all OSes
build: Fix OSX build when using Homebrew and qt5
Keep symlinks when copying into .app bundle
osx: fix signing to make Gatekeeper happy (again)

Miscellaneous:

key.cpp: fail with a friendlier message on missing ssl EC support
Remove bignum dependency for scripts
Upgrade OpenSSL to 1.0.1i, includes CVE-2014-0224, CVE-2014-0160 and CVE-2014-0076 (see https://www.openssl.org/news/secadv_20140806.txt)
Upgrade miniupnpc to 1.9.20140701
Fix boost detection in build system on some platforms
Replace non-threadsafe C functions (gmtime, strerror and setlocale)
Add missing cs_main and wallet locks
Avoid exception at startup when system locale not recognized
devtools: add a script to fetch and postprocess translations
Refactor -alertnotify code
doc: Add instructions for consistent Mac OS X build names

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0.11.0 Release notes

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