make-release.py: Updated release notes and changelog for 5.4.0-rc4.
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zcash (5.4.0~rc4) stable; urgency=medium
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* 5.4.0-rc4 release.
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-- Electric Coin Company <team@electriccoin.co> Wed, 01 Feb 2023 17:37:55 -0700
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zcash (5.4.0~rc3) stable; urgency=medium
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* 5.4.0-rc3 release.
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Notable changes
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===============
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Fixes
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-----
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This release fixes an issue that could potentially cause a node to crash with the
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log message "The wallet's best block hash `<hash>` was not detected in restored
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chain state. Giving up; please restart with `-rescan`."
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Additionally, a bug that could cause an assertion failure during reindexing has
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been fixed. See [#6387](https://github.com/zcash/zcash/pull/6387) for details.
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Transparent pool and chain supply tracking
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------------------------------------------
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Since v2.0.0, `zcashd` has tracked the change in value within the Sprout and
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Sapling shielded pools for each block; v5.0.0 added the Orchard pool. This
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release completes the set, by tracking the change in value within the
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"transparent" pool (more precisely, the value stored in Bitcoin-style UTXOs).
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`zcashd` also now tracks the change in "chain supply" for each block, defined as
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the sum of coinbase output values, minus unclaimed fees. This is precisely equal
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to the sum of the value in the transparent and shielded pools, and equivalent to
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the sum of all unspent coins/notes on the chain. It is bounded above by the
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theoretical maximum supply, but in practice is lower due to, for example, miners
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not claiming transaction fees.
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> Bitcoin-style consensus rules implement fees as an imbalance between spent
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> coins/notes and newly-created coins/notes. The consensus rules require that a
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> coinbase transaction's outputs have a total value no greater than the sum of
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> that block's subsidy and the fees made available by the transactions in the
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> block. However, the consensus rules do not require that all of the available
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> funds are claimed, and a miner can create coinbase transactions with lower
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> value in the outputs (though in the case of Zcash, the consensus rules do
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> require the transaction to include [ZIP 1014](https://zips.z.cash/zip-1014)
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> Funding Stream outputs).
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After upgrading to v5.4.0, `zcashd` will start tracking changes in transparent
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pool value and chain supply from the height at which it is restarted. Block
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heights prior to this will not have any information recorded. To track changes
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from genesis, and thus monitor the total transparent pool size and chain supply,
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you would need to restart your node with the `-reindex` option.
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Wallet Performance Fixes
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------------------------
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The 100MiB memory limit for the batch scanner has been replaced by a 1000-block
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limit. This eliminates an expensive call to determine the current memory usage
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of the batch scanner.
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The following associated metric has been removed from the set of metrics
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reported when `-prometheusport` is set:
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- (gauge) `zcashd.wallet.batchscanner.usage.bytes`
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RPC Changes
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-----------
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- `z_sendmany` will no longer select transparent coinbase when "ANY\_TADDR" is
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used as the `fromaddress`. It was already documented to do this, but the
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previous behavior didn’t match. When coinbase notes were selected in this
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case, they would (properly) require that the transaction didn’t have any
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change, but this could be confusing, as the documentation stated that these
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two conditions (using "ANY\_TADDR" and disallowing change) wouldn’t coincide.
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- A new value pool object with `"id": "transparent"` has been added to the
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`valuePools` list in `getblockchaininfo` and `getblock`.
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- A new `chainSupply` key has been added to `getblockchaininfo` and `getblock`
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to report the total chain supply as of that block height (if tracked), and the
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change in chain supply caused by the block (for `getblock`, if measured).
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Mining
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-------
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- Changes to `getblocktemplate` have been backported from upstream Bitcoin Core,
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to significantly improve its performance by doing more work ahead of time in
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the mempool (and reusing the work across multiple `getblocktemplate` calls).
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[Deprecations](https://zcash.github.io/zcash/user/deprecation.html)
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--------------
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The following features have been deprecated, but remain available by default.
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These features may be disabled by setting `-allowdeprecated=none`. 18 weeks
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after this release, these features will be disabled by default and the following
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flags to `-allowdeprecated` will be required to permit their continued use:
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- `gbt_oldhashes`: the `finalsaplingroothash`, `lightclientroothash`, and
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`blockcommitmentshash` fields in the output of `getblocktemplate` have been
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replaced by the `defaultroots` field.
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The following previously-deprecated features have been disabled by default, and
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will be removed in 18 weeks:
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- `legacy_privacy`
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- `getnewaddress`
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- `getrawchangeaddress`
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- `z_getnewaddress`
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- `z_listaddresses`
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- `addrtype`
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- `wallettxvjoinsplit`
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The following previously-deprecated features have been removed:
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- `dumpwallet`
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- `zcrawreceive`
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- `zcrawjoinsplit`
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- `zcrawkeygen`
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Platform Support
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----------------
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- CentOS 8 has been removed from the list of supported platforms. It reached EoL
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on December 31st 2021, and does not satisfy our Tier 2 policy requirements.
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Changelog
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=========
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Alex Morcos (3):
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Make accessing mempool parents and children public
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Expose FormatStateMessage
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Rewrite CreateNewBlock
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Alfredo Garcia (1):
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Add chain supply and transparent value to block index.
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Carl Dong (4):
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depends: More robust cmake invocation
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depends: Cleanup CMake invocation
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depends: Prepend CPPFLAGS to C{,XX}FLAGS for CMake
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depends: Specify LDFLAGS to cmake as well
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Daira Hopwood (7):
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Add tl::expected. refs #4816
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The std::expected proposal has unnecessary instances of undefined behaviour for operator->, operator*, and error(). Make these into assertion failures (this still conforms to the proposal).
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Refactor HaveShieldedRequirements to use tl::expected (example with a void T) and rename it to CheckShieldedRequirements.
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tl::expected follow-up to address @str4d's comments.
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Cleanup after removing dumpwallet.
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Change the time that the wallet will wait for the block index to load from 5 minutes to 2 hours.
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Postpone updates for 5.4.0.
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Dimitris Apostolou (2):
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Fix typos
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Fix typos
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Greg Pfeil (23):
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Add PrivacyPolicyMeet
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Remove trailing whitespace in fetch-params.sh
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Migrate fetch-params.sh to bash
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Scope the fetch-params lock file to the user
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Update comments to match changed tests
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Put utf8.h in the correct place
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Don’t select transparent coinbase with ANY_TADDR
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Update failing tests after fixing ANY_TADDR behavior
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Apply suggestions from code review
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Apply suggestions from code review
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Appease ShellCheck
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Defer fixing docker/entrypoint.sh lint failure
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Apply suggestions from code review
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Fix a minor bug in docker/entrypoint.sh
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Improve PrivacyPolicy comments
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Apply suggestions from code review
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Add release notes
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Update src/wallet/asyncrpcoperation_sendmany.cpp
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Fix a missing newline in the RPC docs
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No longer test_received_sprout
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Use cached sprout addresses rather than funding
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Update overwinter test to not shield to Sprout
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Support Bash 3.2 in fetch-params.sh
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Jack Grigg (50):
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test: Handle mining slow start inside `CreateNewBlock_validity`
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test: Improve CreateNewBlock_validity exception checks
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txdb: Remove const annotation from blockinfo iterator type
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Remove `dumpwallet` RPC method
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qa: Refactor `wallet_deprecation` test to simplify deprecation changes
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Remove `zcraw*` RPC methods
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txdb: Clean up for loop syntax in `WriteBatchSync`
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Disable previously-deprecated features by default
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Deprecate old hash fields of `getblocktemplate`
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qa: Change show_help RPC test to print out differences
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qa: Update mempool_packages RPC test after deprecation ratcheting
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qa: Import Rust crate audits from Firefox
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qa: Import Rust crate audits from the Bytecode Alliance
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qa: Import Rust crate audits from Embark Studios
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qa: Remove audit-as-crates-io for non-third-party crates
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cargo update
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zcash_primitives 0.9
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clearscreen 2.0
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depends: googletest 1.12.1
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Remove CentOS 8 as a supported platform
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depends: native_zstd 1.5.2
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depends: native_ccache 4.6.3
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depends: Add package for native_cmake 3.25.1
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depends: Force cmake to install libzstd in lib/
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build-aux: Update Boost macros to latest serials
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build: Bump required Boost version
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depends: Force Boost library to be installed in lib/
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depends: Add tl_expected to update checker
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depends: Boost 1.81.0
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depends: utfcpp 3.2.3
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qa: Postpone LLVM 15 and CCache 4.7 updates
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depends: Update cxx to 1.0.83
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cargo update
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Document -clockoffset option
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qa: Update show_help RPC test
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doc: Fix arguments to make-release.py in hotfix process
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depends: CMake 3.25.2
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make-release.py: Versioning changes for 5.4.0-rc1.
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make-release.py: Updated manpages for 5.4.0-rc1.
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make-release.py: Updated release notes and changelog for 5.4.0-rc1.
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qa: Enable RPC test execution to be overridden from Python
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depends: Postpone cxx update
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metrics: Update `zcash.pool.value.zatoshis` gauge for transparent pool
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Update release notes with notable changes for v5.4.0
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make-release.py: Versioning changes for 5.4.0-rc2.
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make-release.py: Updated manpages for 5.4.0-rc2.
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make-release.py: Updated release notes and changelog for 5.4.0-rc2.
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qa: Add RPC test reproducing the Orchard reindex issue
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Fix return type of `orchard_wallet_reset`
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Reset Orchard wallet state in `CWallet::ClearNoteWitnessCache`
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James O'Beirne (2):
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Clarify help messages for path args to mention datadir prefix
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Add AbsPathForConfigVal to consolidate datadir prefixing for path args
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Kris Nuttycombe (32):
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Add TransactionStrategy::IsCompatibleWith
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Modify TransactionBuilder to use the standard default fee.
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Factor out memo parsing from asyncrpcoperation_sendmany
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Remove mergetoaddress_sprout test as sending to Sprout is no longer supported.
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Remove wallet_shieldcoinbase_sprout test.
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Update `mergetoaddress_mixednotes.py` to no longer send to Sprout.
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Verify sum of pool balances against chain total supply.
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Apply suggestions from code review
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Add script for verifying block rewards and fees not claimed by miners.
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Apply suggestions from code review
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Remove unnecessary delta_count variable.
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Replace fix-copyright-headers.py with a script that creates a scripted-diff git commit.
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scripted-diff: Update Zcash copyrights to 2023
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Apply suggestions from code review
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Enable tests of chain supply & transparent pool balance.
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Update doc/release-notes.md
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Fixes an error in `zcash-cli help` following the removal of `dumpwallet`.
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Allow rescan to exit in the case that Ctrl-C is pressed.
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Fetch recently conflicted transactions incrementally in ThreadNotifyWallet.
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Bound wallet batch scanner size to 1000 blocks instead of 100 MiB
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Remove unused DEFAULT_BATCHSCANNERMEMLIMIT constant.
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Tolerate missing cached conflict data in ThreadNotifyWallets
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make-release.py: Versioning changes for 5.4.0-rc3.
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make-release.py: Updated manpages for 5.4.0-rc3.
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make-release.py: Updated release notes and changelog for 5.4.0-rc3.
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Defer z_getbalance and z_gettotalbalance disablement.
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Patch uses of `sprintf` in `zeromq` that break the build on macOS
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Patch zeromq to check the return value of snprintf where necessary.
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Postpone rustcxx and native_cxxbridge versions 1.0.89
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Add #6387 fix to v5.4.0 release notes.
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make-release.py: Versioning changes for 5.4.0-rc4.
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make-release.py: Updated manpages for 5.4.0-rc4.
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Marco Falke (4):
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[init] Add missing help for args
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[init] Help Msg: Use Params(CBaseChainParams::MAIN)
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Clarify mocktime help message
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init: Fix help message for checkblockindex
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Marius Kjærstad (5):
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Hardened checkpoint update at block 1860000 for mainnet
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Update src/chainparams.cpp
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Some more formatting changes to chainparams.cpp
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Forgot to add 0x
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Add some more historical checkpoints
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Mark Friedenbach (1):
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Prevent block.nTime from decreasing
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Marshall Gaucher (4):
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Update zcash-build-bench.yml
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Update README.md
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Update contrib/ci-builders/tekton/tekton-labs/tasks/zcash-build.yml
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Update contrib/ci-builders/tekton/tekton-labs/tasks/zcash-build-test.yml
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Michał Janiszewski (1):
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Update debian/compat to version 13
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Russell Yanofsky (2):
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depends: Add CMake helper for building packages
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depends: Set CMAKE_INSTALL_RPATH for native packages
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Suhas Daftuar (3):
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Track transaction packages in CTxMemPoolEntry
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Add test showing bug in mempool packages
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Fix mempool package tracking edge case
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Wladimir J. van der Laan (1):
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rpc: Write authcookie atomically
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Marshall Gaucher (2):
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add basic tekton zcash env
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update memory targets with heaptrack
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