make-release.py: Updated release notes and changelog for 5.2.0-rc1.
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zcash (5.2.0~rc1) stable; urgency=medium
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* 5.2.0-rc1 release.
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-- Electric Coin Company <team@electriccoin.co> Fri, 22 Jul 2022 15:07:59 -0600
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zcash (5.1.0) stable; urgency=medium
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* 5.1.0 release.
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Notable changes
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===============
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Node Performance Improvements
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-----------------------------
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This release makes several changes to improve the performance of node operations.
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These include:
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- Backported CuckooCache from upstream to improve the performance of signature
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caching.
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- Added caching of proof and signature validation results for Sapling and
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Orchard to eliminate redundant computation.
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- Backported SHA-256 assembly optimizations from upstream.
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Wallet Performance Improvements
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-------------------------------
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This release makes several changes to improve the performance of wallet operations.
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These include:
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- We now parallelize and batch trial decryption of Sapling outputs.
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- We now prune witness data in the wallet for notes spent more than 100 blocks
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in the past, so that we can avoid unnecessarily updating those witnesses.
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In order to take advantage of this performance improvement, users will need
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to start their nodes with `-rescan` the first time .
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- The process for incrementing the witnesses for notes the wallet is tracking
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has been optimized to avoid redundant passes over the wallet.
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- Removed an assertion that was causing a slowdown in wallet scanning post-NU5.
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RPC Interface Changes
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=====================
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- A `version` field was added to the result for the `gettransaction` RPC call to
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avoid the need to make an extra call to `getrawtransaction` just to retrieve
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the version.
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Fixes
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=====
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- Fixed a regression that caused an incorrect process name to appear in the
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process list.
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Changelog
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=========
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Aditya Kulkarni (1):
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Add tx version
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Ben Woosley (1):
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build: Detect gmtime_* definitions via configure
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Chun Kuan Lee (1):
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Use __cpuid_count for gnu C to avoid gitian build fail.
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Cory Fields (2):
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time: add runtime sanity check
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build: always attempt to enable targeted sse42 cxxflags
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Daira Hopwood (3):
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This reverts part of 1f1810c37d00cb46d00d8553e6de3c6fdb991010 in #5959. Leaving the main thread unnamed causes it to be displayed as the executable name (i.e. `zcashd`) or command line in process monitoring tools. fixes #6066
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Apply doc suggestions from code review
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Use crossbeam-channel instead of std::sync::mpsc.
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Dan Raviv (1):
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Fix header guards using reserved identifiers
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Gregory Maxwell (1):
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Add an explanation of quickly hashing onto a non-power of two range.
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Hennadii Stepanov (1):
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Use correct C++11 header for std::swap()
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Jack Grigg (16):
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lint: Fix include guards
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wallet: Prune witnesses for notes spent more than 100 blocks ago
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wallet: Make `{Increment, Decrement}NoteWitnesses`-internal helpers static
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Cache Sapling and Orchard bundle validation
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Add bundle kind to `BundleValidityCache` initialization log message
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wallet: Throw error if `ReadBlockFromDisk` fails
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wallet: Improve documentation of `SproutNotData` and `SaplingNoteData`
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Move explicit instantiations for `BundleValidityCache` into `zcash/cache.cpp`
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bench: Fix ConnectBlock large block benchmarks
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wallet: Add `BatchScanner` interface to `CValidationInterface`
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wallet: Pass `Consensus::Params` into `CWallet::FindMySaplingNotes`
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wallet: Migrate `CWallet` to `CValidationInterface::InitBatchScanner`
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rust: Implement multithreaded batched trial decryption for Sapling
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wallet: Use batch trial decryption for Sapling outputs
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wallet: Enforce an assumption about how wallet data evolves
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wallet: Domain-separate batched txids with a "block tag"
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Jeremy Rubin (4):
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Add CuckooCache implementation and replace the sigcache map_type with it
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Add unit tests for the CuckooCache
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Decrease testcase sizes in cuckoocache tests
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Deduplicate SignatureCacheHasher
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Jim Posen (1):
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scripted-diff: Move util files to separate directory.
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Jon Layton (1):
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doc: Doxygen-friendly CuckooCache comments
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Kris Nuttycombe (15):
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scripted-diff: Move utiltest to src/util
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Add a clock for testing with an offset from the system clock.
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Apply suggestions from code review
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Add persistent Sprout test data.
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Remove the temporary test that was used for setup of the cached Sprout fixtures.
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Add RPC test initialization using the persisted Sprout chains.
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Update sprout_sapling_migration test to use persisted sprout chains.
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Update feature_zip239 test to use persisted sprout chains.
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Add missing <chrono> header to util/time.h
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Update finalsaplingroot test to use persisted sprout chains.
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Update getblocktemplate test to use persisted sprout chain
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Replace setup_clean_chain with cache_behavior in rpc test init.
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qa: Postpone recent native_rust, native_cxxbridge and rustcxx updates
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make-release.py: Versioning changes for 5.2.0-rc1.
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make-release.py: Updated manpages for 5.2.0-rc1.
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Luke Dashjr (3):
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configure: Invert --enable-asm help string since default is now enabled
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configure: Skip assembly support checks, when assembly is disabled
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configure: Initialise assembly enable_* variables
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Marshall Gaucher (2):
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Update entrypoint.sh
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Update contrib/docker/entrypoint.sh
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Pieter Wuille (34):
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Allow non-power-of-2 signature cache sizes
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Do not store Merkle branches in the wallet.
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Avoid duplicate CheckBlock checks
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Add merkle.{h,cpp}, generic merkle root/branch algorithm
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Switch blocks to a constant-space Merkle root/branch algorithm.
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Add FastRandomContext::rand256() and ::randbytes()
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scripted-diff: Rename cuckoo tests' local rand context
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Merge test_random.h into test_bitcoin.h
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Add various insecure_rand wrappers for tests
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scripted-diff: use insecure_rand256/randrange more
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Replace more rand() % NUM by randranges
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Replace rand() & ((1 << N) - 1) with randbits(N)
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Use randbits instead of ad-hoc emulation in prevector tests
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scripted-diff: Use randbits/bool instead of randrange where possible
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scripted-diff: Use new naming style for insecure_rand* functions
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Support multi-block SHA256 transforms
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Add SHA256 dispatcher
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Add SSE4 based SHA256
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Add selftest for SHA256 transform
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Protect SSE4 code behind a compile-time flag
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Benchmark Merkle root computation
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Refactor SHA256 code
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Specialized double sha256 for 64 byte inputs
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Use SHA256D64 in Merkle root computation
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4-way SSE4.1 implementation for double SHA256 on 64-byte inputs
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8-way AVX2 implementation for double SHA256 on 64-byte inputs
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[MOVEONLY] Move unused Merkle branch code to tests
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Enable double-SHA256-for-64-byte code on 32-bit x86
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Improve coverage of SHA256 SelfTest code
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For AVX2 code, also check for AVX, XSAVE, and OS support
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[Refactor] CPU feature detection logic for SHA256
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Add SHA256 implementation using using Intel SHA intrinsics
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Use immintrin.h everywhere for intrinsics
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Avoid non-trivial global constants in SHA-NI code
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Wladimir J. van der Laan (2):
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build: Rename --enable-experimental-asm to --enable-asm and enable by default
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build: Mention use of asm in summary
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furszy (3):
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Fix missing vector include and vector type definition
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Rework Sprout and Sapling witnesses increment and cache workflow, so it does not loop over the entire wallet txs map indiscriminately.
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Use references instead of pointers where possible.
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instagibbs (1):
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Return useful error message on ATMP failure
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nathannaveen (1):
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chore: Set permissions for GitHub actions
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practicalswift (1):
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Use explicit casting in cuckoocache's compute_hashes(...) to clarify integer conversion
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sasha (3):
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Patch smoke_tests.py to properly handle changes in minconf behavior
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Improve smoke_test.py wait_for_balance message in the minconf!=1 case
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Patch smoke_tests.py to require 4 confirmations for z_mergetoaddress
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Jack Grigg (2):
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Improve bundlecache documentation
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Minor fixes to documentation
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Zancas Wilcox (1):
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match the actual two hyphen flag
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