216 lines
9.9 KiB
Markdown
216 lines
9.9 KiB
Markdown
Notable changes
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===============
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Feature Deprecation and removal
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-------------------------------
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`zcashd` now has a [process](https://zcash.github.io/zcash/user/deprecation.html)
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for how features of the public API may be deprecated and removed. Feature
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deprecation follows a series of steps whereby, over a series of releases,
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features first remain enabled by default (but may be explicitly disabled), then
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switch to being disabled by default, and eventually are removed entirely.
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A new string-valued option, `-allowdeprecated` has been introduced to allow a
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user to explicitly manage the availability of deprecated `zcashd` features. This
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flag makes it possible for users to reenable deprecated methods and features
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api that are currently disabled by default, or alternately to explicitly
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disable all deprecated features if they so choose. Multiple instances of this
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argument may be provided. A user may disable deprecated features entirely
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by providing the string `none` as the argument to this parameter. In the case
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that `none` is specified, multiple invocations of `-allowdeprecated` are not
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permitted.
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Deprecated
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----------
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As of this release, the following features are deprecated, but remain
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available by default. These features may be disabled by setting
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`-allowdeprecated=none`. After release 5.3.0, these features will be
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disabled by default and the following flags to `-allowdeprecated` will
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be required to permit their continued use:
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- `legacy_privacy` - the default "legacy" privacy policy for z_sendmany
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is deprecated. When disabled, the default behavior of z_sendmany will
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conform to the `FullPrivacy` directive (introduced in 4.7.0) in all cases
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instead of just for transactions involving unified addresses.
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- `getnewaddress` - controls availability of the `getnewaddress` RPC method.
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- `z_getnewaddress` - controls availability of the `z_getnewaddress` RPC method.
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- `addrtype` - controls availability of the deprecated `type` attribute
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returned by RPC methods that return address metadata.
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As of this release, the following previously deprecated features are disabled
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by default, but may be be reenabled using `-allowdeprecated=<feature>`.
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- The `zcrawreceive` RPC method is disabled. It may be reenabled with
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`allowdeprecated=zcrawreceive`
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- The `zcrawjoinsplit` RPC method is disabled. It may be reenabled with
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`allowdeprecated=zcrawjoinsplit`
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- The `zcrawkeygen` RPC method is disabled. It may be reenabled with
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`allowdeprecated=zcrawkeygen`
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Option handling
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---------------
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- The `-reindex` and `-reindex-chainstate` options now imply `-rescan`
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(provided that the wallet is enabled and pruning is disabled, and unless
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`-rescan=0` is specified explicitly).
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- A new `-anchorconfirmations` argument has been added to allow the user
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to specify the number of blocks back from the chain tip that anchors will be
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selected from when spending notes. By default, anchors will now be selected
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to have 3 confirmations. Values greater than 100 are not supported.
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- A new `-orchardactionlimit` option has been added to allow the user to
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override the default maximum of 50 Orchard actions per transaction.
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Transactions that contain large numbers of Orchard actions can use
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large amounts of memory for proving, so the 50-action default limit is
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imposed to guard against memory exhaustion. Systems with more than 16G
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of memory can safely set this parameter to allow 200 actions or more.
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RPC Interface
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-------------
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- The default `minconf` value for `z_sendmany` is now 10 confirmations instead
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of 1. If `minconf` and specifies a value less than that provided for
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`-anchorconfirmations`, it will also override that value as it is not
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possible to spend notes that are more recent than the anchor. Selecting
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`minconf` values less than 3 is not recommended, as it allows the transaction
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to be distinguished from transactions using the default for
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`-anchorconfirmations`.
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RPC Changes
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-----------
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- The deprecated `zcrawkeygen`, `zcrawreceive`, and `zcrawjoinsplit` RPC
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methods are now disabled by default. Use `-allowdeprecated=<feature>`
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to select individual features if you wish to continue using these APIs.
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Build system
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------------
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- `zcutil/build.sh` now automatically runs `zcutil/clean.sh` to remove
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files created by previous builds. We previously recommended to do this
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manually.
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Dependencies
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------------
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- The `boost` and `native_b2` dependencies have been updated to version 1.79.0
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Tests
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-----
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- The environment variable that allows users of the rpc (Python) tests to
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override the default path to the `zcashd` executable has been changed
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from `BITCOIND` to `ZCASHD`.
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Changelog
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=========
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Alex Wied (1):
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Cargo.toml: Rename hdwallet source
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Charlie O'Keefe (1):
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Use bullseye apt source in Dockerfile to match debian:11 base image
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Daira Hopwood (9):
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Fix to 4.7.0 release notes: testnet nodes that upgrade prior to height 1,842,420 actually still need to run with -reindex and -rescan.
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zcutil/build.sh: Run zcutil/clean.sh before building. fixes #3625
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Make `-reindex` and `-reindex-chainstate` imply `-rescan` (provided that the wallet is enabled and pruning is disabled, and unless `-rescan=0` is specified explicitly).
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zcutil/build-debian-package.sh: copy executable and man page for zcashd-wallet-tool.
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zcashd-wallet-tool: improve the error message for an invalid logging filter directive.
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Change the numbering convention for hotfixes to increment the patch number, not the hyphen number. fixes #4364
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Rename nOrchardAnchorConfirmations -> nAnchorConfirmations
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Select an anchor and notes that have 10 confirmations.
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Fix WalletTests.CachedWitnessesEmptyChain for new anchor selection.
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Dimitris Apostolou (1):
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Fix typo
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Jack Grigg (3):
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Update minimum chain work and set NU5 activation block hash for testnet
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make-release.py: Versioning changes for 5.0.0-rc1.
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make-release.py: Updated manpages for 5.0.0-rc1.
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Kris Nuttycombe (30):
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Update boost dependencies to version 1.79.0
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Default to error logging if we can't parse the log filter.
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Fix boolean initialization in Orchard transaction builder.
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Use fallible version parsing for tags.
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Allow deprecated wallet features to be preemptively disabled.
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Remove zcrawreceive, zcrawjoinsplit, zcrawkeygen from default-allowed deprecated methods.
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Add deprecation policy to the zcashd book.
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Use ERROR level logging for fatal errors in main/init
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Remove `-allowdeprecated=all`
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Clarify documentation of the deprecation process.
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Select Orchard anchors at `-orchardanchorconfirmations` depth.
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Add anchor depth parameter to Get*NoteWitnesses
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Disallow -anchorconfirmations values > 100
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Add -anchorconfirmations to the release notes
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Fix RPC tests that depend upon -anchorconfirmations=1
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Apply suggestions from code review
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Gracefully handle Get(Sprout/Sapling)NoteWitnesses failure.
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Add parity-scale-codec licenses to contrib/debian/copyright
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Ensure transaction integer fields are zero-initialized.
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Build releases from a commit hash, rather than a named branch.
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Apply suggestions from code review
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Update release process documentation to clarify the use of release stabilization branches.
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Fix missing handling for imported transparent multisig addresses.
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Change default anchor depth from 10 confirmations to 3
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Use default anchor confirmations for minconf in z_mergetoaddress.
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Add -orchardactionlimit parameter to guard against memory exhaustion.
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Add -orchardactionlimit help text.
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Postpone dependency updates prior to v5.0.0-rc1
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Set RELEASE_TO_DEPRECATION_WEEKS to 2 weeks to provide RC EOS halt.
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Fix a typo in the release script.
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Larry Ruane (2):
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Allow rpc python tests to be run standalone
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ThreadStartWalletNotifier: wait until !IBD, rather than !reindex
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Marek (2):
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Document the block time in the `z_gettreestate` RPC response
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Specify the format and epoch
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Steven Smith (2):
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Add orchard pool metrics
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Require wallet recovery phrase to be backed up for z_getnewaccount and z_getaddressforaccount
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Taylor Hornby (1):
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Reproduce an assertion failure in the listaddresses RPC
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dependabot[bot] (1):
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Bump actions/checkout from 2 to 3
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sasha (28):
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Move LoadProofParameters to gtest/utils.cpp
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add tx-orchard-duplicate-nullifiers.h to Makefile.gtest.include
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Closing #1539 simplifies gtest Makefile.
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remove JoinSplitTestingSetup from sighash_tests -- it doesn't need it
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Make a LoadGlobalWallet and UnloadGlobalWallet for gtests
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Remove proof parameter loading from btests
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Separate test suite from tests, inspired by upstream's #12926
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Allow parallel btest runs using make as the parallelization tool.
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btest parallelization work: tag #if'd out test suites
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Port btest test_basic_joinsplit_verification to gtest suite Joinsplit
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Create a new gtest group WalletRPCTests
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Port btest rpc_z_shieldcoinbase_internals to gtest suite WalletRPCTests
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Port btest rpc_z_mergetoaddress_internals to gtest suite WalletRPCTests
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Port btest rpc_z_sendmany_taddr_to_sapling to gtest suite WalletRPCTests
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Downgrade btest suite coins_test to BasicTestingSetup
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Make [seed_]insecure_rand available to the gtests
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Create a new gtest suite CoinsTests
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Port CCoinsViewTest to gtest suite CoinsTests
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Port nullifier_regression_test to gtest suite CoinsTests
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Port anchor_pop_regression_test to gtest suite CoinsTests
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Port anchor_regression_test to gtest suite CoinsTests
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Port nullifiers_test to gtest suite CoinsTests
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Port anchors_flush_test to gtest suite CoinsTests
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Port anchors_test to gtest suite CoinsTests
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Update copyright header
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Update comments in newly-ported gtests to be more consistent with current codebase
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Tidy up spacing in newly-ported gtests
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Remove -developersapling since it hasn't been implemented for a long time
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teor (1):
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Fix typo in getaddressbalance RPC help
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