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backport: bitcoin/bitcoin#26889: refactor: wallet, remove global 'ArgsManager' dependency - #7856
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Potential PR merge conflictsThis is advisory only. It does not block CI, but it marks PRs that will likely need a rebase depending on merge order. If this PR merges firstThese open PRs will likely need a rebase:
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✅ Final review complete — no blockers (commit 6f39d88) |
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No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info
WalkthroughThe wallet API no longer passes a CoinJoin loader or an ArgsManager to CWallet. The chain interface now provides CoinJoin loader access, and wallet registration and flushing use that access point. Wallet and script managers store and use the configured keypool size. Wallet constructors, loader creation, benchmarks, tools, and tests are updated. The Qt options model adds hasSigner(), which the send dialog uses to check whether the signer option is set. Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: 🟡 Moderate · up to Wallets created with a separate argument manager can silently ignore the requested mnemonic length and the wallet-backup setting on unlock. Cache these settings from the creation arguments before merging. Pre-merge checks |
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Docstring Coverage |  |
Docstring coverage is 17.04% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 135 functions across 47 files. | Write docstrings for the functions missing them to satisfy the coverage threshold. |
✅ Passed checks (4 passed)
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Check name Status Explanation Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Description check The description directly explains the wallet dependency refactor, CoinJoin loader changes, duplicate registration fix, testing, and backport purpose. Title check The title clearly identifies the backport and the primary change: removing the global ArgsManager dependency from the wallet code.
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Inline comments:
Review comments at @src/wallet/wallet.cpp:
- Line 4411: In CWallet::Create, read -mnemonicbits and -createwalletbackups
from context.args and cache both settings; use those cached values in the
mnemonic-generation path and the post-unlock backup path instead of reading from
gArgs.
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📒 Files selected for processing (50)
src/bench/coin_selection.cppsrc/bench/wallet_balance.cppsrc/bench/wallet_create_tx.cppsrc/dummywallet.cppsrc/init/bitcoin-gui.cppsrc/init/bitcoin-node.cppsrc/init/bitcoin-qt.cppsrc/init/bitcoind.cppsrc/interfaces/chain.hsrc/interfaces/init.hsrc/interfaces/wallet.hsrc/node/interfaces.cppsrc/qt/optionsmodel.cppsrc/qt/optionsmodel.hsrc/qt/sendcoinsdialog.cppsrc/qt/test/addressbooktests.cppsrc/qt/test/masternodetestutil.cppsrc/qt/test/masternodewidgettests.cppsrc/qt/test/providertransactiontests.cppsrc/qt/test/wallettests.cppsrc/test/util/setup_common.cppsrc/wallet/context.hsrc/wallet/dump.cppsrc/wallet/external_signer_scriptpubkeyman.hsrc/wallet/init.cppsrc/wallet/interfaces.cppsrc/wallet/load.cppsrc/wallet/rpc/backup.cppsrc/wallet/rpc/util.cppsrc/wallet/salvage.cppsrc/wallet/scriptpubkeyman.cppsrc/wallet/scriptpubkeyman.hsrc/wallet/test/coinjoin_tests.cppsrc/wallet/test/coinselector_tests.cppsrc/wallet/test/init_test_fixture.cppsrc/wallet/test/init_test_fixture.hsrc/wallet/test/ismine_tests.cppsrc/wallet/test/platformkeys_tests.cppsrc/wallet/test/scriptpubkeyman_tests.cppsrc/wallet/test/spend_tests.cppsrc/wallet/test/util.cppsrc/wallet/test/util.hsrc/wallet/test/wallet_test_fixture.cppsrc/wallet/test/wallet_test_fixture.hsrc/wallet/test/wallet_tests.cppsrc/wallet/test/walletdb_tests.cppsrc/wallet/test/walletload_tests.cppsrc/wallet/wallet.cppsrc/wallet/wallet.hsrc/wallet/wallettool.cpp
💤 Files with no reviewable changes (3)
- src/wallet/test/init_test_fixture.h
- src/wallet/context.h
- src/wallet/test/wallet_test_fixture.h
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| // Make a seed | ||
| // TODO: remove duplicated code with CHDChain::SetMnemonic | ||
| const SecureString mnemonic = mnemonic_arg.empty() ? CMnemonic::Generate(m_args.GetIntArg("-mnemonicbits", CHDChain::DEFAULT_MNEMONIC_BITS)) : mnemonic_arg; | ||
| const SecureString mnemonic = mnemonic_arg.empty() ? CMnemonic::Generate(gArgs.GetIntArg("-mnemonicbits", CHDChain::DEFAULT_MNEMONIC_BITS)) : mnemonic_arg; |
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🎯 Functional Correctness | 🟠 Major | ⚡ Quick win
Read wallet settings from the wallet’s configured argument manager.
If context.args differs from gArgs, this line ignores its -mnemonicbits setting when creating a descriptor wallet. A wallet that requests a specific mnemonic length can receive a different one. Line 4212 has the same root cause for -createwalletbackups after unlock. Cache both settings from context.args in CWallet::Create, then use the cached values in these paths. The supplied test contexts demonstrate that separate argument managers are supported.
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Review comment at @src/wallet/wallet.cpp at line 4411:
In CWallet::Create, read -mnemonicbits and -createwalletbackups from
context.args and cache both settings; use those cached values in the
mnemonic-generation path and the post-unlock backup path instead of reading from
gArgs.
After applying the fix, consider running `coderabbit review --agent` for local
review. Visit https://docs.coderabbit.ai/cli?utm_source=ghpr
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Final validation — Phase 1 + Phase 2
Verified two Dash-specific regressions at head 6679c05: CoinJoin registration can happen after GUI initialization requires it, and descriptor mnemonic generation ignores the wallet context's entropy setting. The commit-label nitpick is also supported; the backup-setting finding is dropped because backup retention is already process-wide. This was static verification only: the supplied CI snapshot shows successful lint and several platform builds, while multiple Linux builds and wallet-enabled tests remain pending.
🔴 2 blocking | 💬 1 nitpick(s)
1 finding(s) not shown inline (the lines are not part of this PR's diff)
💬 Nitpick: Label the CoinJoin registration bug fix as a fix
<commit:3ab236bea7>:1
Commit 3ab236b uses refactor:, but it changes wallet registration lifetime and its body explicitly describes a wallet-lifetime bug being fixed. The PR description also identifies this step as a fix. Use a subject such as fix(wallet): register wallets with CoinJoin only in AddWallet to distinguish the behavior fix from the subsequent preparatory refactors, while keeping it as its own commit.
source: gpt-6.1-sol (phase2-reviewer: dash-core-commit-history)
Review provenance
Source: reviewer 1: muse-spark-1.3-contributor (agent: phase1-reviewer, role: general); reviewer 2: gpt-6.1-sol (agent: phase2-reviewer, role: general); reviewer 3: gpt-6.1-sol (agent: phase2-reviewer, role: backport-reviewer); reviewer 4: gpt-6.1-sol (agent: phase2-reviewer, role: dash-core-commit-history); final verifier: gpt-6.1-sol (agent: sol-verifier, role: final-verifier)
- Triage:
normalbygpt-6.1-sol(effort low) — The cross-cutting change primarily rewires wallet configuration and CoinJoin registration dependencies, with limited keypool configuration adjustments rather than intricate changes to key handling, funds movement, or other critical algorithms. - Phase 1 reviewers:
muse-spark-1.3-contributor— general (completed, effort xhigh); agentphase1-reviewer - Phase 1 model:
muse-spark-1.3-contributor— not quota-gated; passed overgemini-3.8-flash-high(antigravity below 15% reserve: weekly 84% left, 5h 7% left),glm-5.3-flash(not used above high effort; tier asks max) - Fresh verifier:
gpt-6.1-sol— final-verifier; agentsol-verifier - Phase 2 reviewers:
gpt-6.1-sol— general (completed, effort high); agentphase2-reviewer,gpt-6.1-sol— backport-reviewer (completed, effort high); agentphase2-reviewer,gpt-6.1-sol— dash-core-commit-history (completed, effort high); agentphase2-reviewer
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In `src/wallet/wallet.cpp`:
- [BLOCKING] src/wallet/wallet.cpp:134-135: Complete CoinJoin registration before notifying wallet-loaded observers
CoinJoin registration now happens only in AddWallet, but LoadWalletInternal, CreateWallet, and LoadWallets invoke NotifyWalletLoaded first. The GUI observer emits walletAdded, whose handler constructs a WalletView and calls OverviewPage::setWalletModel. That initialization makes a one-time WithClient call to disable the client's built-in automatic backups. The walletAdded connection uses Qt::AutoConnection, so during a runtime wallet load the GUI can process it before the loading thread reaches AddWallet. With no registered client, WithClient returns false and skips the callback; the client subsequently created by AddWallet retains fCreateAutoBackups=true. For a legacy wallet, the CoinJoin worker can then perform backups that the GUI is supposed to manage along with user warnings. Previously CWallet::Create registered the client before these observers ran, and the later try_emplace did not replace that client. Keep registration single-shot, but complete it before wallet-loaded observers can initialize the GUI.
- [BLOCKING] src/wallet/wallet.cpp:4411: Preserve the wallet context's mnemonic entropy setting
Replacing m_args with gArgs changes which configuration controls descriptor mnemonic generation. CWallet::Create still accepts context.args and caches keypool and notification settings from that manager, and the test fixtures supply independent ArgsManager instances. If context.args requests -mnemonicbits=256 while gArgs has its default, this path now generates a 128-bit, 12-word mnemonic rather than the requested 256-bit, 24-word mnemonic. Before this PR, the wallet retained context.args and honored its setting here. Cache mnemonic entropy from context.args during CWallet::Create and use that value in this function, so both immediate initialization and later initialization of encrypted or blank descriptor wallets preserve the configured entropy.
In `<commit:3ab236bea7>`:
- [NITPICK] <commit:3ab236bea7>:1: Label the CoinJoin registration bug fix as a fix
Commit 3ab236bea7 uses refactor:, but it changes wallet registration lifetime and its body explicitly describes a wallet-lifetime bug being fixed. The PR description also identifies this step as a fix. Use a subject such as `fix(wallet): register wallets with CoinJoin only in AddWallet` to distinguish the behavior fix from the subsequent preparatory refactors, while keeping it as its own commit.
| if (auto* coinjoin_loader = wallet->chain().coinJoinLoader()) { | ||
| coinjoin_loader->AddWallet(wallet); |
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✅ Resolved at
6f39d88d; see the replies below.
🔴 Blocking: Complete CoinJoin registration before notifying wallet-loaded observers
CoinJoin registration now happens only in AddWallet, but LoadWalletInternal, CreateWallet, and LoadWallets invoke NotifyWalletLoaded first. The GUI observer emits walletAdded, whose handler constructs a WalletView and calls OverviewPage::setWalletModel. That initialization makes a one-time WithClient call to disable the client's built-in automatic backups. The walletAdded connection uses Qt::AutoConnection, so during a runtime wallet load the GUI can process it before the loading thread reaches AddWallet. With no registered client, WithClient returns false and skips the callback; the client subsequently created by AddWallet retains fCreateAutoBackups=true. For a legacy wallet, the CoinJoin worker can then perform backups that the GUI is supposed to manage along with user warnings. Previously CWallet::Create registered the client before these observers ran, and the later try_emplace did not replace that client. Keep registration single-shot, but complete it before wallet-loaded observers can initialize the GUI.
source: gpt-6.1-sol (phase2-reviewer: general)
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Good catch, fixed by calling AddWallet before NotifyWalletLoaded in LoadWalletInternal, CreateWallet and LoadWallets.
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Resolved (re-reviewed at 6f39d88d): Verified your ordering correction in LoadWalletInternal, CreateWallet, and LoadWallets: AddWallet now completes CoinJoin registration before NotifyWalletLoaded invokes observers. The GUI's initialization callback can therefore find the client and disable its built-in automatic backups.
| // Make a seed | ||
| // TODO: remove duplicated code with CHDChain::SetMnemonic | ||
| const SecureString mnemonic = mnemonic_arg.empty() ? CMnemonic::Generate(m_args.GetIntArg("-mnemonicbits", CHDChain::DEFAULT_MNEMONIC_BITS)) : mnemonic_arg; | ||
| const SecureString mnemonic = mnemonic_arg.empty() ? CMnemonic::Generate(gArgs.GetIntArg("-mnemonicbits", CHDChain::DEFAULT_MNEMONIC_BITS)) : mnemonic_arg; |
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✅ Resolved at
6f39d88d; see the replies below.
🔴 Blocking: Preserve the wallet context's mnemonic entropy setting
Replacing m_args with gArgs changes which configuration controls descriptor mnemonic generation. CWallet::Create still accepts context.args and caches keypool and notification settings from that manager, and the test fixtures supply independent ArgsManager instances. If context.args requests -mnemonicbits=256 while gArgs has its default, this path now generates a 128-bit, 12-word mnemonic rather than the requested 256-bit, 24-word mnemonic. Before this PR, the wallet retained context.args and honored its setting here. Cache mnemonic entropy from context.args during CWallet::Create and use that value in this function, so both immediate initialization and later initialization of encrypted or blank descriptor wallets preserve the configured entropy.
source: muse-spark-1.3-contributor (phase1-reviewer: general); gpt-6.1-sol (phase2-reviewer: general, backport-reviewer, dash-core-commit-history)
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Done: -mnemonicbits is now cached in CWallet::Create from context.args, next to m_keypool_size and the notify scripts, and SetupDescriptorScriptPubKeyMans uses the cached value.
dash-wallet never registers -mnemonicbits, so the default there is unchanged. -createwalletbackups stays on gArgs: it seeds the process-global nWalletBackups together with CWallet::InitAutoBackup, so a per-wallet copy would let two wallets reset one shared global to different values.
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Resolved (re-reviewed at 6f39d88d): Verified that you cache -mnemonicbits from context.args before wallet initialization and use m_mnemonic_bits for descriptor mnemonic generation, including deferred initialization. Your explanation for retaining -createwalletbackups on gArgs also matches InitAutoBackup's existing initialization of the process-global nWalletBackups.
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This pull request has conflicts, please rebase. |
CWallet::Create registered twice the freshly loaded wallet: with the CoinJoin client manager and AddWallet registered it again. Though RemoveWallet un-rester it only once and it causes the client manager holds a shared_ptr to the wallet permanently. That is why TestLoadWallet had to force an AddWallet call, and why bench/wallet_loading only works as long as its WalletContext carries no loader. CoinJoin registration now happens only in AddWallet, but LoadWalletInternal, CreateWallet, and LoadWallets invoke NotifyWalletLoaded first. The GUI observer emits walletAdded, whose handler constructs a WalletView and calls OverviewPage::setWalletModel. That initialization makes a one-time WithClient call to disable the client's built-in automatic backups So, order or NotifyWalletLoaded should be re-ordered with AddWallet
AddWallet, RemoveWallet and FlushWallets are the only consumers for wallet->coinjoin_loader() therefore it is passes as a constructor argument over ~40 instanses all over code base [including regressions tests], often as nullptr because it's irrelevant and wallet never user it. The wallet reaches every other node service through interfaces::Chain, but the CoinJoin loader is diffferent. NodeContext owns it and it goes through MakeWalletLoader by reference Having it as part of Chain's interface provide the loader to wallet always when it's available. The nullptr here means the node has no cj: -disablewallet or BasicTestingSetup. Take it from the wallet's chain instead. In this case it will never be forgotten [as nullptr by mistake] and removed diversity with original upstream bitcoin core
CWallet stored an interfaces::CoinJoin::Loader but the only readers are AddWallet/RemoveWallet/FlushWallets which uses wallet's chain interface. Threading it through the constructor made almost 100 diverge hunks with upstream, half of them passing /*coinjoin_loader=*/nullptr. It helps also to remove include interfaces/coinjoin.h from wallet.h and related members.
WalletContext::coinjoin_loader is not read by any function anymore. Remove the field, the unused arguments in Init::makeWalletLoader and related cleanups No more multiple context.coinjoin_loader all over codebase
…pendency 52f4d56 refactor: remove <util/system.h> include from wallet.h (furszy) 6c9b342 refactor: wallet, remove global 'ArgsManager' access (furszy) d8f5fc4 wallet: set '-walletnotify' script instead of access global args manager (furszy) 3477a28 wallet: set keypool_size instead of access global args manager (furszy) Pull request description: Structurally, the wallet class shouldn't access the global `ArgsManager` class, its internal behavior shouldn't be coupled to a global command line args parsing object. So this PR migrates the only two places where we depend on it: (1) the keypool size, and (2) the "-walletnotify" script. And cleans up the, now unneeded, wallet `ArgsManager` ref member. Extra note: In the process of removing the args ref member, discovered and fixed files that were invalidly depending on the wallet header including `util/system.h`. ACKs for top commit: achow101: ACK 52f4d56 TheCharlatan: Re-ACK 52f4d56 hebasto: re-ACK 52f4d56 Tree-SHA512: 0cffd99b4dd4864bf618aa45aeaabbef2b6441d27b6dbb03489c4e013330877682ff17b418d07aa25fbe1040bdf2c67d7559bdeb84128c5437bf0e6247719016 Co-authored-by: Andrew Chow <github@achow101.com>
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Re-review — Final validation — Phase 1 + Phase 2
Static verification of the complete range at 6f39d88 confirms that both prior functional regressions are fixed, with no additional production-code defect identified. One inherited upstream test-hunk omission remains undocumented under the advertised full-PR backport and needs an explicit exclusion statement. No local builds or tests were run; current CI shows passing lint, multiple platform builds, and Linux wallet, no-wallet, and SQLite tests, while ASan and multiprocess builds and TSan tests remain pending.
🔴 1 blocking
Review provenance
Source: reviewer 1: muse-spark-1.3-contributor (agent: phase1-reviewer, role: general); reviewer 2: gpt-6.1-sol (agent: phase2-reviewer, role: general); reviewer 3: gpt-6.1-sol (agent: phase2-reviewer, role: backport-reviewer); reviewer 4: gpt-6.1-sol (agent: phase2-reviewer, role: dash-core-commit-history); reviewer 5: gpt-6.1-sol (agent: phase2-reviewer, role: general); reviewer 6: gpt-6.1-sol (agent: phase2-reviewer, role: backport-reviewer); reviewer 7: gpt-6.1-sol (agent: phase2-reviewer, role: dash-core-commit-history); final verifier: gpt-6.1-sol (agent: sol-verifier, role: final-verifier)
- Triage:
normalbygpt-6.1-sol(effort low) — The cross-cutting wallet dependency refactor and CoinJoin registration changes require tracing lifecycle and argument propagation across many callers, but do not themselves change consensus, funds movement, cryptography, key handling, network deserialization, or storage migrations. - Phase 1 reviewers:
muse-spark-1.3-contributor— general (completed, effort xhigh); agentphase1-reviewer - Phase 1 model:
muse-spark-1.3-contributor— not quota-gated; passed overgemini-3.8-flash-high(antigravity below 15% reserve: weekly 24% left, 5h 1% left),glm-5.3-flash(not used above high effort; tier asks max) - Fresh final gate: an independent Phase-2 review ran after iterative findings were reconciled
- Fresh verifier:
gpt-6.1-sol— final-verifier; agentsol-verifier - Phase 2 reviewers:
gpt-6.1-sol— general (completed, effort high); agentphase2-reviewer,gpt-6.1-sol— backport-reviewer (completed, effort high); agentphase2-reviewer,gpt-6.1-sol— dash-core-commit-history (completed, effort high); agentphase2-reviewer,gpt-6.1-sol— general (completed, effort high); agentphase2-reviewer,gpt-6.1-sol— backport-reviewer (completed, effort high); agentphase2-reviewer,gpt-6.1-sol— dash-core-commit-history (completed, effort high); agentphase2-reviewer
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These findings are from an automated code review. Verify each finding against the current code and only fix it if needed.
In `src/wallet/test/ismine_tests.cpp`:
- [BLOCKING] src/wallet/test/ismine_tests.cpp:359-361: Document the inherited omission of the Taproot test hunk
The PR advertises Bitcoin Core #26889 without identifying an excluded upstream area. That upstream merge changes the CWallet constructor in the `Taproot - Descriptor` scenario of `ismine_standard` at upstream line 645, but Dash's base and head both proceed directly from `Combo - Descriptor` to `OP_RETURN`. The scenario originated in upstream #25942, commit 1b77db265317a6470d0914b520f04eb64b3c0942; Dash's corresponding backport bdf77f2a73975a8a7b0130d5df299f2efbfd28c2 is already an ancestor of this PR's base and omitted it. This is an inherited omission, not a test deleted by this PR or a runtime failure in the constructor refactor. Nevertheless, the advertised full backport leaves this upstream hunk unaccounted for, and the PR description and backport commit message contain no explicit exclusion. Document that the Taproot descriptor test adaptation is intentionally excluded because Dash's Taproot adoption is deferred. Introducing Taproot or redoing the entire earlier backport is not required.
| // OP_RETURN | ||
| { | ||
| CWallet keystore(chain.get(), /*coinjoin_loader=*/nullptr, "", m_args, CreateDummyWalletDatabase()); | ||
| CWallet keystore(chain.get(), "", CreateDummyWalletDatabase()); |
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✅ Withdrawn at
6f39d88d; see the replies below.
🔴 Blocking: Document the inherited omission of the Taproot test hunk
The PR advertises Bitcoin Core bitcoin#26889 without identifying an excluded upstream area. That upstream merge changes the CWallet constructor in the Taproot - Descriptor scenario of ismine_standard at upstream line 645, but Dash's base and head both proceed directly from Combo - Descriptor to OP_RETURN. The scenario originated in upstream bitcoin#25942, commit 1b77db2; Dash's corresponding backport bdf77f2 is already an ancestor of this PR's base and omitted it. This is an inherited omission, not a test deleted by this PR or a runtime failure in the constructor refactor. Nevertheless, the advertised full backport leaves this upstream hunk unaccounted for, and the PR description and backport commit message contain no explicit exclusion. Document that the Taproot descriptor test adaptation is intentionally excluded because Dash's Taproot adoption is deferred. Introducing Taproot or redoing the entire earlier backport is not required.
source: gpt-6.1-sol (phase2-reviewer: general, backport-reviewer, dash-core-commit-history)
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This hunk for taproot will cause compilation error -> it means there's no need to do special mark as partial, but when taproot's code will be added - it will be immediately added in the correct form.
26889 is full, not partial
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You're right; I overstated this as a blocking omission. The upstream scenario uses XOnlyPubKey, TaprootBuilder, and WitnessV1Taproot, which are absent here, and it was already excluded in Dash's bitcoin#25942 backport. bitcoin#26889 only updates the constructor call in that nonexistent scenario; it doesn't introduce Taproot coverage or leave an existing Dash call unconverted. I withdraw the request to label this backport partial or add a special exclusion note.
Withdrawing this finding.
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Re-review after discussion — commit 6f39d88
Standing review was CHANGES_REQUESTED; this re-review is APPROVE: no blocking findings remain.
Approved: the discussion withdrew or deferred every finding the full review of 6f39d88d (run 4304) raised, and the approval rests on that review.
No longer blocking:
- Document the inherited omission of the Taproot test hunk
Same commit as the standing review; the inline threads above carry the per-finding outcome. This follow-up exists only to correct the verdict.
Review provenance
Source: conversation lane gpt-6.1-sol (agent: conversation); no reviewer or verifier lanes ran for this follow-up
- Verdict moved because the inline discussion withdrew or deferred findings of the standing review of this commit; the code was not re-reviewed
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Issue being fixed or feature implemented
CWallet has extra argument coinjoin_loader in its ctor and it makes pain when doing backports due to more than 100 usages spread all over code bases and it causes conflicts when doing backport.
What was done?
Backport bitcoin#26889 is touching every line what had caused conflicts due to extra argument in CWallet constructor, this PR has all important prerequisites to make its merge easier.
NOTE: some chunks of 26889 is omitted because this code is not backported yet [including taproot's related], some other quite opposite added. Though, 26889 is not partial and done in full because compiler enforces missing changes to update: remove gArgs / m_args if they will be added later by other commits.
How Has This Been Tested?
Run unit & regressions tests.
Breaking Changes
N/A
Checklist: