This release fixes a security issue described at https://z.cash/support/security/announcements/security-announcement-2019-09-24/ .
The service period of this release is shorter than normal due to the upcoming v2.1.0 Blossom release. The End-of-Service of v2.0.7 will occur at block height 775000, expected to be on mid AUG-2020.
We now provide reproducible builds for Stretch as well as for Jessie.
We fixed a bug which prevented users sending from ANY_SPROUT or ANY_SAPLING
with z_mergetoaddress when a wallet contained both Sprout and Sapling notes.
We have been incorporating changes to support the Insight explorer directly from
bitcoinzd. v2.0.6 includes the first change to an RPC method. If bitcoinzd is
run with the flag --insightexplorer``` (this requires an index rebuild), the RPC method getrawtransaction`` will now return additional information about
spend indices.
Shorter block times are coming to BitcoinZ! In the v2.0.7 release we have implemented ZIP208 which will take effect when Blossom activates. Upon activation, the block times for BitcoinZ will decrease from 150 seconds to 75 seconds, and the block reward will decrease accordingly. This affects at what block height halving events will occur, but should not affect the overall rate at which BitcoinZ is mined. The total Community' reward stays the same, and the total supply of BitcoinZ is decreased only microscopically due to rounding. The BitcoinZ community has not yet made the decision when Blossom will be activated.
The v2.0.7 release includes Blossom activation on testnet, bringing shorter block times. The testnet Blossom activation height is not defined yet.
Changes needed for the Insight explorer have been incorporated into BitcoinZ. This is an experimental feature and therefore is subject to change. To enable, add the experimentalfeatures=1, txindex=1, and insightexplorer=1 flags to bitcoinz.conf. This feature adds several RPCs to bitcoinzd which allow the user to run an Insight explorer.
Testnet users needed to upgrade to 2.0.7 before Blossom activated. The amount of notice given to these users was brief, so many were not able to upgrade in time. These users may now be on the wrong branch. v2.0.7-1 adds an "intended rewind" to prevent having to manually reindex when reconnecting to the correct chain.
Fixed an issue where ERROR: spent index not enabled would be logged unnecessarily.
v2.0.7-2 contains a shortened EOS halt so that is in alignment with v2.0.7.
In previous versions, bitcoinzd would shrink the debug.log file to 200 KB on
startup if it was larger than 10 MB. This behaviour, and the -shrinkdebugfile
option that controlled it, has been disabled.
Marcelus (1) Incorporation of changes into BTCZ
Charlie O'Keefe (1): Add stretch to list of suites in gitian linux descriptors
Daira Hopwood (9): Closes #3992. Remove obsolete warning message. make-release.py: Versioning changes for 2.0.6-rc1. make-release.py: Updated manpages for 2.0.6-rc1. make-release.py: Updated release notes and changelog for 2.0.6-rc1. ld --version doesn't work on macOS. Tweak author aliases. Add coding declaration to zcutil/release-notes.py make-release.py: Versioning changes for 2.0.6. make-release.py: Updated manpages for 2.0.6.
Daniel Kraft (1): Add some const declarations where they are appropriate.
Eirik Ogilvie-Wigley (1): Notable changes for 2.0.6
Eirik Ogilvie-Wigley (7): Fix tree depth in comment Update author aliases Remove old mergetoaddress RPC test Replace CSproutNotePlaintextEntry with SproutNoteEntry to match Sapling z_getmigrationstatus help message wording change Fix z_mergetoaddress sending from ANY_SPROUT/ANY_SAPLING when the wallet contains both note types Clarify what combinations of from addresses can be used in z_mergetoaddress
Jack Grigg (10): Move Equihash parameters into consensus params Globals: Remove Zcash-specific Params() calls from main.cpp Globals: Explicitly pass const CChainParams& to IsStandardTx() Globals: Explicit const CChainParams& arg for main: Globals: Explicitly pass const CChainParams& to ContextualCheckTransaction() Globals: Explicit const CChainParams& arg for main: Globals: Explicitly pass const CChainParams& to DisconnectBlock() Consistently use chainparams and consensusParams Globals: Explicitly pass const CChainParams& to IsInitialBlockDownload() Globals: Explicitly pass const CChainParams& to ReceivedBlockTransactions()
Jorge Timón (6): Globals: Explicit Consensus::Params arg for main: Globals: Make AcceptBlockHeader static (Fix #6163) Chainparams: Explicit CChainParams arg for main (pre miner): Chainparams: Explicit CChainParams arg for miner: Globals: Remove a bunch of Params() calls from main.cpp: Globals: Explicitly pass const CChainParams& to UpdateTip()
Larry Ruane (1): add spentindex to getrawtransaction RPC results
Marco Falke (1): [doc] Fix doxygen comments for members
Mary Moore-Simmons (1): Fixes issue #3504: Changes to --version and adds a couple other useful commands.
Peter Todd (1): Improve block validity/ConnectBlock() comments
Simon Liu (1): Fix typo and clean up help message for RPC z_getmigrationstatus.
Wladimir J. van der Laan (1): Break circular dependency main ↔ txdb
face (2): Pass CChainParams to DisconnectTip() Explicitly pass CChainParams to ConnectBlock
Benjamin Winston (1): Fixes #4013, added BitcoinABC as a disclosure partner
Daira Hopwood (3): Closes #3992. Remove obsolete warning message.
Daniel Kraft (1): Add some const declarations where they are appropriate.
Eirik Ogilvie-Wigley (7): Fix tree depth in comment Update author aliases Remove old mergetoaddress RPC test Replace CSproutNotePlaintextEntry with SproutNoteEntry to match Sapling z_getmigrationstatus help message wording change Fix z_mergetoaddress sending from ANY_SPROUT/ANY_SAPLING when the wallet contains both note types Clarify what combinations of from addresses can be used in z_mergetoaddress
Jack Grigg (10): Move Equihash parameters into consensus params Globals: Remove Zcash-specific Params() calls from main.cpp Globals: Explicitly pass const CChainParams& to IsStandardTx() Globals: Explicit const CChainParams& arg for main: Globals: Explicitly pass const CChainParams& to ContextualCheckTransaction() Globals: Explicit const CChainParams& arg for main: Globals: Explicitly pass const CChainParams& to DisconnectBlock() Consistently use chainparams and consensusParams Globals: Explicitly pass const CChainParams& to IsInitialBlockDownload() Globals: Explicitly pass const CChainParams& to ReceivedBlockTransactions()
Jorge Timón (6): Globals: Explicit Consensus::Params arg for main: Globals: Make AcceptBlockHeader static (Fix #6163) Chainparams: Explicit CChainParams arg for main (pre miner): Chainparams: Explicit CChainParams arg for miner: Globals: Remove a bunch of Params() calls from main.cpp: Globals: Explicitly pass const CChainParams& to UpdateTip()
Larry Ruane (1): add spentindex to getrawtransaction RPC results
MarcoFalke (1): [doc] Fix doxygen comments for members
Peter Todd (1): Improve block validity/ConnectBlock() comments
Simon Liu (1): Fix typo and clean up help message for RPC z_getmigrationstatus.
Wladimir J. van der Laan (1): Break circular dependency main ↔ txdb
face (2): Pass CChainParams to DisconnectTip() Explicitly pass CChainParams to ConnectBlock
Benjamin Winston (1): Fixes #4013, added BitcoinABC as a disclosure partner
Daira Hopwood (10): Add MIT license to Makefiles Add MIT license to build-aux/m4/bitcoin_* scripts, and a permissive license to build-aux/m4/l_atomic.m4 . Update copyright information for Zcash, leveldb, and libsnark. Add license information for Autoconf macros. refs #2827 Update contrib/debian/copyright for ax_boost_thread.m4 Replace http with https: in links to the MIT license. Also change MIT/X11 to just MIT, since no distinction was intended. qa/zcash/checksec.sh is under a BSD license, with a specialized non-endorsement clause. Link to ticket #2827 using URL Release process doc: add step to set the gpg key id. Release process doc: mention the commit message.
Dimitris Apostolou (5): Rename vjoinsplit to vJoinSplit Fix naming inconsistency Rename joinsplit to shielded Rename FindWalletTx to FindWalletTxToZap Fix RPC undefined behavior.
Eirik Ogilvie-Wigley (47): Make nextHeight required in CalculateNextWorkRequired Fix nondeterministic failure in sapling migration test Clean up and fix typo Apply suggestions from code review Shorter block times rpc test Update pow_tests for shorter block times Update test_pow for shorter block times Update block subsidy halving for zip208 Make NetworkUpgradeAvailable a method of Params Temporarily disable test Simplify PartitionCheck Use static_assert Add missing new line at end of file pow test cleanup Add message to static_assert Update expiry height for shorter block times Fix zip208 founders reward calculation and update test PartitionCheck tests for shorter block times Add test for Blossom default tx expiry delta Update metrics block height estimation for shorter block times Do not create transactions that will expire after the next epoch Do not send migration transactions that would expire after a network upgrade Fix integer truncation in Blossom halving calculation Update main_tests for shorter block times Use pre-Blossom max FR height when calculating address change interval Make founders reward tests pass before and after Blossom activation height is set Extract Halvings method and add tests Add comments and fix typos Improve EstimateNetHeight calculation Fix check transaction tests Make sure to deactivate blossom in test case Fix parsing txexpirydelta argument Do not add expiring soon threshold to expiry height of txs near NU activation Fix/update comments Make sure that expiry height is not less than height Clarify documentation Update PoW related assertions Remove DefaultExpiryDelta method Algebraic improvements related to halving Distinguish between height and current header height on metrics screen Test clean up and fixes Add copyright info NPE defense in metrics screen Do not estimate height if there is no best header Rename method and use int64_t make-release.py: Versioning changes for 2.0.7-rc1. make-release.py: Updated manpages for 2.0.7-rc1.
Eirik Ogilvie-Wigley (8): Use CommitTransaction() rather than sendrawtransaction() Move reused async rpc send logic to separate file Move reused sign and send logic Do not shadow the return value when testmode is true Inline sign_send_raw_transaction Allow passing optional reserve key as a parameter to SendTransaction Use reserve key for transparent change when sending to Sapling Fix comment in mergetoaddress RPC test
Jack Grigg (4): test: Check for change t-addr reuse in z_sendmany Use reserve key for transparent change when sending to Sprout test: Fix permissions on wallet_changeaddresses RPC test test: Fix pyflakes warnings
Larry Ruane (6): add addressindex related RPCs add spentindex RPC for bitcore block explorer add timestampindex related RPC getblockhashes fix getblockdeltas documentation formatting insightexplorer minor bug fixes insightexplorer fix LogPrintf
Luke Dashjr (2): Add MIT license to autogen.sh and share/genbuild.sh Trivial: build-aux/m4/l_atomic: Fix typo
Simon Liu (8): Redefine PoW functions to accept height parameter. Remove use of redundant member nPowTargetSpacing. Replace nPoWTargetSpacing -> PoWTargetSpacing() Update PoW function calls to pass in height. Update GetBlockTimeout() to take height parameter. Replace nPoWTargetSpacing -> PoWTargetSpacing() in ProcessMessage() Replace nPoWTargetSpacing -> PoWTargetSpacing() in tests Modify PartitionCheck to be aware of pre & post Blossom target spacing.
William M Peaster (1): Handful of copyedits to README.md
codetriage-readme-bot (1): Link to development guidelines in CONTRIBUTING.md
Jack Grigg (1): Update README.md
Daira Hopwood (11): Add MIT license to Makefiles Add MIT license to build-aux/m4/bitcoin_* scripts, and a permissive license to build-aux/m4/l_atomic.m4 . Update copyright information for Zcash, leveldb, and libsnark. Add license information for Autoconf macros. refs #2827 Update contrib/debian/copyright for ax_boost_thread.m4 Replace http with https: in links to the MIT license. Also change MIT/X11 to just MIT, since no distinction was intended. qa/zcash/checksec.sh is under a BSD license, with a specialized non-endorsement clause. Link to ticket #2827 using URL Release process doc: add step to set the gpg key id. Release process doc: mention the commit message. Add RPC test and test framework constants for Sapling->Blossom activation.
Dimitris Apostolou (5): Rename vjoinsplit to vJoinSplit Fix naming inconsistency Rename joinsplit to shielded Rename FindWalletTx to FindWalletTxToZap Fix RPC undefined behavior.
Eirik Ogilvie-Wigley (56): Make nextHeight required in CalculateNextWorkRequired Fix nondeterministic failure in sapling migration test Clean up and fix typo Apply suggestions from code review Shorter block times rpc test Update pow_tests for shorter block times Update test_pow for shorter block times Update block subsidy halving for zip208 Make NetworkUpgradeAvailable a method of Params Temporarily disable test Simplify PartitionCheck Use static_assert Add missing new line at end of file pow test cleanup Add message to static_assert Update expiry height for shorter block times Fix zip208 founders reward calculation and update test PartitionCheck tests for shorter block times Add test for Blossom default tx expiry delta Update metrics block height estimation for shorter block times Do not create transactions that will expire after the next epoch Do not send migration transactions that would expire after a network upgrade Fix integer truncation in Blossom halving calculation Update main_tests for shorter block times Use pre-Blossom max FR height when calculating address change interval Make founders reward tests pass before and after Blossom activation height is set Extract Halvings method and add tests Add comments and fix typos Improve EstimateNetHeight calculation Fix check transaction tests Make sure to deactivate blossom in test case Fix parsing txexpirydelta argument Do not add expiring soon threshold to expiry height of txs near NU activation Fix/update comments Make sure that expiry height is not less than height Clarify documentation Update PoW related assertions Remove DefaultExpiryDelta method Algebraic improvements related to halving Distinguish between height and current header height on metrics screen Test clean up and fixes Add copyright info NPE defense in metrics screen Do not estimate height if there is no best header Rename method and use int64_t make-release.py: Versioning changes for 2.0.7-rc1. make-release.py: Updated manpages for 2.0.7-rc1. make-release.py: Updated release notes and changelog for 2.0.7-rc1. Update download path Set testnet Blossom activation height Notable changes for v2.0.7 Enable shorter block times rpc test Grammatical fixes and improvements Remove constant make-release.py: Versioning changes for 2.0.7. make-release.py: Updated manpages for 2.0.7.
Eirik Ogilvie-Wigley (8): Use CommitTransaction() rather than sendrawtransaction() Move reused async rpc send logic to separate file Move reused sign and send logic Do not shadow the return value when testmode is true Inline sign_send_raw_transaction Allow passing optional reserve key as a parameter to SendTransaction Use reserve key for transparent change when sending to Sapling Fix comment in mergetoaddress RPC test
Jack Grigg (5): test: Check for change t-addr reuse in z_sendmany Use reserve key for transparent change when sending to Sprout test: Fix permissions on wallet_changeaddresses RPC test test: Fix pyflakes warnings test: Fix AuthServiceProxy closed conn detection
Larry Ruane (6): add addressindex related RPCs add spentindex RPC for bitcore block explorer add timestampindex related RPC getblockhashes fix getblockdeltas documentation formatting insightexplorer minor bug fixes insightexplorer fix LogPrintf
Luke Dashjr (2): Add MIT license to autogen.sh and share/genbuild.sh Trivial: build-aux/m4/l_atomic: Fix typo
Simon Liu (8): Redefine PoW functions to accept height parameter. Remove use of redundant member nPowTargetSpacing. Replace nPoWTargetSpacing -> PoWTargetSpacing() Update PoW function calls to pass in height. Update GetBlockTimeout() to take height parameter. Replace nPoWTargetSpacing -> PoWTargetSpacing() in ProcessMessage() Replace nPoWTargetSpacing -> PoWTargetSpacing() in tests Modify PartitionCheck to be aware of pre & post Blossom target spacing.
William M Peaster (1): Handful of copyedits to README.md
codetriage-readme-bot (1): Link to development guidelines in CONTRIBUTING.md
Jack Grigg (1): Update README.md
Benjamin Winston (3): Updated location to new download server Fixes 4097, improves caching on parameter downloads Updated location to new download server, fixing #4100
Alex Tsankov (2): Update INSTALL Typo Fix
Daira Hopwood (1): Add intended rewind for Blossom on testnet.
Eirik Ogilvie-Wigley (6): Notable changes for v2.0.7-1 fix typo Add note about logging fix Better wording in release notes make-release.py: Versioning changes for 2.0.7-1. make-release.py: Updated manpages for 2.0.7-1.
Larry Ruane (2): #4114 don't call error() from GetSpentIndex() better fix: make GetSpentIndex() consistent with others...
Eirik Ogilvie-Wigley (3): Notable changes for v2.0.7-2 make-release.py: Versioning changes for 2.0.7-2. make-release.py: Updated manpages for 2.0.7-2.
Daira Hopwood (4): Add hotfix release notes. Make a note of the shorter service period in the release notes. make-release.py: Versioning changes for 2.0.7-3. make-release.py: Updated manpages for 2.0.7-3.
Jack Grigg (6): Disable -shrinkdebugfile command SetMerkleBranch: remove unused code, remove cs_main lock requirement Remove cs_main lock requirement from CWallet::SyncTransaction Ignore exceptions when deserializing note plaintexts Move mempool SyncWithWallets call into its own thread Enable RPC tests to wait on mempool notifications