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backport: bitcoin#27501, bitcoin#28542 - #7762
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🕓 Queued for automated review — 3rd in line, estimated start in ~25 min (commit 3f26cb6)
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27757 (warning) goes to v25 as previos deprecation step had not been released yet (prepared for v24 only) |
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Included review availability: This review used your included allowance. Your plan provides up to 4 included reviews per hour; 3 remain after this review. WalkthroughThe change adds Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~20 minutes Sequence Diagram(s)sequenceDiagram
participant Client
participant MiningRPC
participant CTxMemPool
Client->>MiningRPC: request getprioritisedtransactions
MiningRPC->>CTxMemPool: call GetPrioritisedTransactions
CTxMemPool-->>MiningRPC: return delta records and mempool status
MiningRPC-->>Client: return txid-keyed result map
Merge Risk: 🔵 Low · up to The RPC documentation may mislead users about where prioritisation deltas originate. This is a bounded documentation risk that can be corrected before merge or tracked as a follow-up. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The new query uses the existing authenticated RPC boundary, and the wallet change avoids calculating conflict status without a known chain height. The main design risk is that querying a large set of prioritization entries can occupy the shared mempool lock. Retained concerns
Security review detailsSecurity Blast Radius
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Review comments at @src/rpc/mining.cpp:
- Line 533: Update the RPC help text in the mining RPC description to describe
all stored fee deltas without attributing them exclusively to users; remove
“user-created.” In doc/release-notes-27501.md, remove the claim that users
create all returned deltas through prioritisetransaction.
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doc/release-notes-27501.mddoc/release-notes-27757.mdsrc/rpc/mining.cppsrc/test/fuzz/rpc.cppsrc/txmempool.cppsrc/txmempool.hsrc/wallet/rpc/backup.cppsrc/wallet/rpc/wallet.cppsrc/wallet/wallet.cpptest/functional/mempool_expiry.pytest/functional/mining_prioritisetransaction.pytest/functional/tool_wallet.pytest/functional/wallet_createwallet.pytest/functional/wallet_fundrawtransaction.pytest/functional/wallet_migration.py
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Final validation — Phase 1 + Phase 2
Verified the supplied findings against a0ee316 and local upstream history. The wallet warning-field removal skips Dash's documented deprecation window and should be deferred; one commit-message explanation also contradicts its diff. The omitted RBF test is explicitly documented and intentionally excluded, not a missing prerequisite. Verification was source-based; no files were changed or runtime tests rerun.
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🟡 Suggestion: Correct the fee-constant explanation in the backport message
<commit:af34db9b658>:1
The final Dash-adaptation bullet in af34db9 says the commit takes inputs[0]['amount'] - Decimal('0.00002200') and that upstream converged on Dash's existing constant. Its actual diff replaces the previous 0.00002200 deduction with inputs[0]["amount"] - Decimal("0.00001000"). Correct the message to describe the value actually introduced and its rationale. The later exact-fee calculation in a0ee316 does not correct this historical explanation; preserve the separate upstream backport commits.
source: gpt-6-astra (phase2-reviewer: general, backport-reviewer, dash-core-commit-history)
Review provenance
Source: reviewer 1: muse-spark-1.3-contributor (agent: phase1-reviewer, role: general); reviewer 2: muse-spark-1.3-contributor (agent: phase1-reviewer, role: backport-reviewer); reviewer 3: muse-spark-1.3-contributor (agent: phase1-reviewer, role: dash-core-commit-history); reviewer 4: gpt-6-astra (agent: phase2-reviewer, role: general); reviewer 5: gpt-6-astra (agent: phase2-reviewer, role: backport-reviewer); reviewer 6: gpt-6-astra (agent: phase2-reviewer, role: dash-core-commit-history); final verifier: gpt-6-astra (agent: astra-verifier, role: final-verifier)
- Triage:
normalbygpt-6-astra(effort low) — The backports introduce mempool fee-delta bookkeeping and an RPC, remove deprecated wallet RPC fields, and add a small MarkConflicted guard plus tests, but do not make large or intricate changes to a critical surface. - Phase 1 reviewers:
muse-spark-1.3-contributor— general (completed, effort xhigh); agentphase1-reviewer,muse-spark-1.3-contributor— backport-reviewer (completed, effort xhigh); agentphase1-reviewer,muse-spark-1.3-contributor— dash-core-commit-history (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 13% left, 5h 100% left),glm-5.3-flash(not used above high effort; tier asks max) - Fresh verifier:
gpt-6-astra— final-verifier; agentastra-verifier - Phase 2 reviewers:
gpt-6-astra— general (completed, effort high); agentphase2-reviewer,gpt-6-astra— backport-reviewer (completed, effort high); agentphase2-reviewer,gpt-6-astra— dash-core-commit-history (completed, effort high); agentphase2-reviewer
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In `src/wallet/rpc/wallet.cpp`:
- [BLOCKING] src/wallet/rpc/wallet.cpp:691-693: Preserve the released deprecation step before landing bitcoin#27757
Defer bitcoin#27757's compatibility removal until Dash v25. Dash's existing doc/release-notes-27279.md promises that clients can recover the "warning" field with -deprecatedrpc=walletwarningfield until v25, but this commit removes the gated response from createwallet, loadwallet, unloadwallet, and restorewallet, together with its functional coverage. The v23.1.8 source still returns "warning" unconditionally, while the preceding deprecation was introduced by 1898d8f7ac7 in the development history. Thus, having the source prerequisite does not provide clients with the intervening migration release. This independently supports the maintainer's statement that the deprecation is prepared for v24 and removal belongs in v25. Retain the compatibility branches and tests for that intervening release. When the removal lands, adapt its release note to Dash's sequence rather than retaining Bitcoin's claim that introduction and deprecation occurred in v25.0.
In `<commit:af34db9b658>`:
- [SUGGESTION] <commit:af34db9b658>:1: Correct the fee-constant explanation in the backport message
The final Dash-adaptation bullet in af34db9b658 says the commit takes inputs[0]['amount'] - Decimal('0.00002200') and that upstream converged on Dash's existing constant. Its actual diff replaces the previous 0.00002200 deduction with inputs[0]["amount"] - Decimal("0.00001000"). Correct the message to describe the value actually introduced and its rationale. The later exact-fee calculation in a0ee316934 does not correct this historical explanation; preserve the separate upstream backport commits.
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| UniValue obj(UniValue::VOBJ); | ||
| obj.pushKV("name", wallet->GetName()); | ||
| if (wallet->chain().rpcEnableDeprecated("walletwarningfield")) { | ||
| obj.pushKV("warning", Join(warnings, Untranslated("\n")).original); | ||
| } | ||
| PushWarnings(warnings, obj); |
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🔴 Blocking: Preserve the released deprecation step before landing bitcoin#27757
Defer bitcoin#27757's compatibility removal until Dash v25. Dash's existing doc/release-notes-27279.md promises that clients can recover the "warning" field with -deprecatedrpc=walletwarningfield until v25, but this commit removes the gated response from createwallet, loadwallet, unloadwallet, and restorewallet, together with its functional coverage. The v23.1.8 source still returns "warning" unconditionally, while the preceding deprecation was introduced by 1898d8f in the development history. Thus, having the source prerequisite does not provide clients with the intervening migration release. This independently supports the maintainer's statement that the deprecation is prepared for v24 and removal belongs in v25. Retain the compatibility branches and tests for that intervening release. When the removal lands, adapt its release note to Dash's sequence rather than retaining Bitcoin's claim that introduction and deprecation occurred in v25.0.
source: gpt-6-astra (phase2-reviewer: general, backport-reviewer, dash-core-commit-history)
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Same issue as the maintainer comment. bitcoin#27757 is being dropped from this batch and deferred to v25, so the deprecation window promised in release-notes-27279 stays intact. Dropping bitcoin#27757 from this branch; it is being rewritten without it.
🤖 backportsys, on behalf of the Dash backport pipeline.
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Resolved (re-reviewed at bc74110b): Confirmed your rewrite retains the walletwarningfield compatibility branches in createwallet, loadwallet, unloadwallet, and restorewallet, alongside the release note promising removal in v25. The retained wallet_createwallet coverage also passed in legacy, descriptor, and CLI variants, so this batch preserves the requested deprecation window.
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Agreed. doc/release-notes-27279.md tells clients they can re-enable "warning" with -deprecatedrpc=walletwarningfield until v25, and that deprecation first ships in v24. Dropping bitcoin#27757 from this batch so it can land in the v25 cycle. Dropping bitcoin#27757 from this branch; it is being rewritten without it. 🤖 backportsys, on behalf of the Dash backport pipeline. |
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The blocking item (bitcoin#27757) is handled by dropping that commit. The message suggestion is correct: af34db9's last Dash-adaptation bullet claims upstream's Decimal('0.00002200'), but the commit actually uses inputs[0]["amount"] - Decimal("0.00001000"), with a comment saying the leftover below minimum change goes to fee. That bullet needs rewording, which can't be done by editing files, so the harness or a maintainer has to amend the bitcoin#28139 commit message. bitcoin#28139 has had its repair lane and is being dropped from this branch. 🤖 backportsys, on behalf of the Dash backport pipeline. |
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Re-review — Final validation — Phase 1 + Phase 2
Independently reviewed the complete diff at bc74110 and compared both backports against their upstream changes; no actionable in-scope defects or missing prerequisites were found. All eight selected functional-test variants and the runner's 21 framework unit tests passed using local binaries identifying this head, and git diff --check passed. Both prior findings are resolved by the rewritten scope, and the tracked working tree remains unchanged.
🔴 0 blocking | 🟡 0 suggestion(s) | 💬 0 nitpick(s)
Review provenance
Source: reviewer 1: muse-spark-1.3-contributor (agent: phase1-reviewer, role: general); reviewer 2: muse-spark-1.3-contributor (agent: phase1-reviewer, role: backport-reviewer); reviewer 3: muse-spark-1.3-contributor (agent: phase1-reviewer, role: dash-core-commit-history); reviewer 4: gpt-6-astra (agent: phase2-reviewer, role: general); reviewer 5: gpt-6-astra (agent: phase2-reviewer, role: backport-reviewer); reviewer 6: gpt-6-astra (agent: phase2-reviewer, role: dash-core-commit-history); reviewer 7: gpt-6-astra (agent: phase2-reviewer, role: general); reviewer 8: gpt-6-astra (agent: phase2-reviewer, role: backport-reviewer); reviewer 9: gpt-6-astra (agent: phase2-reviewer, role: dash-core-commit-history); final verifier: gpt-6-astra (agent: astra-verifier, role: final-verifier)
- Triage:
normalbygpt-6-astra(effort low) — The diff adds a mempool fee-prioritisation RPC, adjusts priority-entry cleanup, and adds a small wallet conflict-height guard with regression tests, constituting ordinary cross-subsystem logic changes rather than a large or intricate change to a critical surface. - Phase 1 reviewers:
muse-spark-1.3-contributor— general (completed, effort xhigh); agentphase1-reviewer,muse-spark-1.3-contributor— backport-reviewer (completed, effort xhigh); agentphase1-reviewer,muse-spark-1.3-contributor— dash-core-commit-history (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 13% left, 5h 100% 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-astra— final-verifier; agentastra-verifier - Phase 2 reviewers:
gpt-6-astra— general (completed, effort high); agentphase2-reviewer,gpt-6-astra— backport-reviewer (completed, effort high); agentphase2-reviewer,gpt-6-astra— dash-core-commit-history (completed, effort high); agentphase2-reviewer,gpt-6-astra— general (completed, effort high); agentphase2-reviewer,gpt-6-astra— backport-reviewer (completed, effort high); agentphase2-reviewer,gpt-6-astra— dash-core-commit-history (completed, effort high); agentphase2-reviewer
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These findings are from an automated code review. Verify the current code and confirm that no unresolved issues remain.
No unresolved findings remain from the prior review on this head.
knst
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Oct 2, 2026
…elete a mapDeltas entry when delta==0 67b7fec [mempool] clear mapDeltas entry if prioritisetransaction sets delta to 0 (glozow) c1061ac [functional test] prioritisation is not removed during replacement and expiry (glozow) 0e5874f [functional test] getprioritisedtransactions RPC (glozow) 99f8046 [rpc] add getprioritisedtransactions (glozow) 9e9ca36 [mempool] add GetPrioritisedTransactions (glozow) Pull request description: Add an RPC to get prioritised transactions (also tells you whether the tx is in mempool or not), helping users clean up `mapDeltas` manually. When `CTxMemPool::PrioritiseTransaction` sets a delta to 0, remove the entry from `mapDeltas`. Motivation / Background - `mapDeltas` entries are never removed from mapDeltas except when the tx is mined in a block or conflicted. - Mostly it is a feature to allow `prioritisetransaction` for a tx that isn't in the mempool {yet, anymore}. A user can may resbumit a tx and it retains its priority, or mark a tx as "definitely accept" before it is seen. - Since bitcoin#8448, `mapDeltas` is persisted to mempool.dat and loaded on restart. This is also good, otherwise we lose prioritisation on restart. - Note the removal due to block/conflict is only done when `removeForBlock` is called, i.e. when the block is received. If you load a mempool.dat containing `mapDeltas` with transactions that were mined already (e.g. the file was saved prior to the last few blocks), you don't delete them. - Related: dashpay#4818 and dashpay#6464. - There is no way to query the node for not-in-mempool `mapDeltas`. If you add a priority and forget what the value was, the only way to get that information is to inspect mempool.dat. - Calling `prioritisetransaction` with an inverse value does not remove it from `mapDeltas`, it just sets the value to 0. It disappears on a restart (`LoadMempool` checks if delta is 0), but that might not happen for a while. Added together, if a user calls `prioritisetransaction` very regularly and not all those transactions get mined/conflicted, `mapDeltas` might keep lots of entries of delta=0 around. A user should clean up the not-in-mempool prioritisations, but that's currently difficult without keeping track of what those txids/amounts are. ACKs for top commit: achow101: ACK 67b7fec theStack: Code-review ACK 67b7fec instagibbs: code review ACK 67b7fec ajtowns: ACK 67b7fec code review only, some nits Tree-SHA512: 9df48b622ef27f33db1a2748f682bb3f16abe8172fcb7ac3c1a3e1654121ffb9b31aeaad5570c4162261f7e2ff5b5912ddc61a1b8beac0e9f346a86f5952260a Dash adaptations: - src/txmempool.cpp: the two new PrioritiseTransaction log lines use LogPrint(BCLog::MEMPOOL, ...) instead of upstream's unconditional LogPrintf, because Dash deliberately gated this message behind the mempool log category in commit a8bef50 ("Silence/tweak some log output", dash#4102); the old single LogPrint line it replaces was already BCLog::MEMPOOL - src/rpc/mining.cpp: fee_delta RPCResult description says "in duffs" instead of "in satoshis", matching the neighbouring prioritisetransaction help in Dash - src/test/fuzz/rpc.cpp: "getprioritisedtransactions" inserted before Dash's "getrawaddrman" entry to keep the list alphabetical (Dash has getrawaddrman here, upstream at this commit did not) - test/functional/mempool_expiry.py: node.prioritisetransaction(parent_txid, COIN) — Dash's prioritisetransaction RPC has no legacy `dummy` second argument, so upstream's 3-arg call form is dropped to 2 args - test/functional/mining_prioritisetransaction.py: clear_prioritisation() calls node.prioritisetransaction(txid, -delta) (2 args) for the same reason - test/functional/mining_prioritisetransaction.py: kept Dash's self.mocktime / plain getblocktemplate() at the end of run_test instead of upstream's mock_time = int(time.time()) and getblocktemplate({'rules': ['segwit']}) — Dash has no segwit and this file has no `time` import; only the new `assert tx_id not in getprioritisedtransactions()` lines were taken from that hunk - test/functional/mining_prioritisetransaction.py: pre-existing positional prioritisetransaction() calls left as-is where upstream's hunk only used them as context Not applicable to Dash (intentionally omitted): - test/functional/mining_prioritisetransaction.py: test_replacement() and its run_test() call site: the test relies on replace-by-fee (sending a higher-feerate tx spending the same input and expecting the first to leave the mempool). Dash has no RBF — src/validation.cpp rejects any mempool conflict outright with "txn-mempool-conflict" and the comment "RBF doesn't exist in Dash" — so the scenario cannot be reproduced in any Dash counterpart. The helper clear_prioritisation() introduced by the same hunk IS kept, since test_diamond uses it. The additive-delta behaviour test_replacement also covered is still exercised by test_diamond (two deltas applied to txid_c).
…nd conflicting heights in MarkConflicted 782701c test: Test loading wallets with conflicts without a chain (Andrew Chow) 4660fc8 wallet: Check last block and conflict height are valid in MarkConflicted (Andrew Chow) Pull request description: `MarkConflicted` assumes that `m_last_block_processed_height` is always valid. However it may not be valid when a chain is not attached, as happens in the wallet tool and during migration. In such situations, when the conflicting height is also negative (which occurs on loading when no chain is available), the calculation of the number of conflict confirms results in a non-negative value which passes the existing check for valid values. This will subsequently hit an assertion in `GetTxDepthInMainChain`. Furthermore, `MarkConflicted` is also only called on loading a transaction whose parent has a stored state of `TxStateConflicted` and was loaded before the child transaction. This depends on the loading order, which for both sqlite and bdb depends on the txids. We can avoid this by explicitly checking that both `m_last_block_processed_height` and `conflicting_height` are non-negative. Both `tool_wallet.py` and `wallet_migration.py` are updated to create wallets with a state that triggers the assertion. Fixes bitcoin#28510 ACKs for top commit: ryanofsky: Code review ACK 782701c. Nice catch, and clever test (grinding the txid) furszy: ACK 782701c Tree-SHA512: 1344e0279ec5413a43a2819d101fb571fbf4821de2d13958a0fdffc99f57082ef3243ec454c8343f97dc02ed1fce8c8b0fd89388420ab2e55618af42ad5630a9 Dash adaptations: - test/functional/wallet_migration.py: conflict was only in run_test() — kept Dash's self.test_hybrid_pubkey() and appended self.test_conflict_txs() (upstream's neighbouring self.test_addressbook() does not exist in Dash) - test/functional/tool_wallet.py + wallet_migration.py: wallet.send(..., add_to_wallet=False, locktime=...) rewritten as wallet.send(..., options={"add_to_wallet": False, "locktime": locktime}) because Dash's send RPC still takes a plain "options" OBJ, not upstream's OBJ_NAMED_PARAMS (matches existing Dash tests e.g. wallet_fundrawtransaction.py, rpc_coinjoin.py) - test/functional/tool_wallet.py + wallet_migration.py: Dash has no RBF (validation.cpp rejects with txn-mempool-conflict), so the conflicting tx cannot be broadcast while the parent sits in the mempool; instead its txid is taken from decoderawtransaction and it is mined straight into a block with self.generateblock(node, output=def_wallet.getnewaddress(), transactions=[conflict_signed]) — same end state (parent and child conflicted at -1, conflict tx at 1 confirmation), and mining to the default wallet keeps the 'conflicts' wallet at 4 transactions / 4 address-book entries - test/functional/tool_wallet.py: expected 'Keypool Size' for the descriptor case is 2 instead of upstream's 8 — upstream's 8 is 1 key per active descriptor over Bitcoin's 8 active descriptors (4 output types x internal/external); Dash has only p2pkh, so GetActiveScriptPubKeyMans() yields 2 descriptors. The legacy value stays 1 (external pool drained by the last getnewaddress, internal pool holding the returned change key), since that code path is identical in Dash
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…f migration exited early, keep mixed watchonly txs) 17b0589 test: test migration of tx with both spendable and watchonly (pasta) 03821b7 fix(wallet): keep txs that belong to both watchonly and migrated wallets (pasta) c305aab test: make sure that migration test does not rescan on reloading (pasta) 1f9bf08 fix(wallet): reload the wallet if migration exited early (pasta) Pull request description: ## Issue being fixed or feature implemented `migratewallet` (and the GUI "Migrate wallet" action, which calls the same `MigrateLegacyToDescriptor()`) has two bugs that upstream fixed in bitcoin#28868. That PR is listed as outstanding in the "next batch" section of #7277. 1. **A failed migration leaves the wallet unloaded.** If the wallet is loaded, `MigrateLegacyToDescriptor()` unloads it first and then runs its checks. Several of those checks return early without loading it again: the wallet is already a descriptor wallet, the backup could not be written, or the passphrase is missing or wrong. After any of these errors the wallet is gone from `listwallets`, and RPC calls to it fail with `Requested wallet does not exist or is not loaded` until the user runs `loadwallet` manually. Mistyping the passphrase once on an encrypted legacy wallet is enough to trigger this. 2. **A transaction with outputs in both resulting wallets only stays in the migrated wallet.** During migration, `ApplyMigrationData()` only offers a transaction to the new `<name>_watchonly` wallet when the migrated wallet does *not* claim it. If one output pays a spendable address and another pays an imported watch-only address, the transaction stays in the migrated wallet and is never copied to `<name>_watchonly`. That wallet is created at the chain tip, so it does not rescan, and its history and balance silently omit that transaction. This is the watch-only bug mentioned in #7275. ### Why this is a real problem Code path at c14104b: - The loaded wallet is unloaded before any validation: [wallet.cpp#L5006-L5012](https://github.com/dashpay/dash/blob/c14104b172a2/src/wallet/wallet.cpp#L5006-L5012) - These early returns do not reload it: "already a descriptor wallet" [#L5033-L5035](https://github.com/dashpay/dash/blob/c14104b172a2/src/wallet/wallet.cpp#L5033-L5035), backup failure [#L5055-L5057](https://github.com/dashpay/dash/blob/c14104b172a2/src/wallet/wallet.cpp#L5055-L5057), missing or wrong passphrase [#L5062-L5075](https://github.com/dashpay/dash/blob/c14104b172a2/src/wallet/wallet.cpp#L5062-L5075) - Watch-only copying only runs when `!IsMine(tx) && !IsFromMe(tx)`: [wallet.cpp#L4759-L4781](https://github.com/dashpay/dash/blob/c14104b172a2/src/wallet/wallet.cpp#L4759-L4781) I reproduced all three cases against an unfixed `dashd` built from c14104b, using a functional-test-style script on regtest: <details><summary>Reproduction on c14104b (unfixed)</summary> Steps: 1. `createwallet desc` (descriptor), then `migratewallet desc`, then `listwallets` 2. `createwallet enc descriptors=false`, then `encryptwallet pass`, then `migratewallet enc badpass`, then `listwallets` and `getwalletinfo` on `enc` 3. `createwallet imports descriptors=false`, then `importaddress <addr from default wallet>`. From the default wallet, `send` one output to an `imports` address and one to the imported address, then mine a block. Then `migratewallet` and `gettransaction <txid>` on `imports_watchonly` ``` TestFramework (INFO): Case 1: migratewallet on a loaded descriptor wallet TestFramework (INFO): listwallets before: ['default_wallet', 'desc'] TestFramework (INFO): listwallets after: ['default_wallet'] TestFramework (INFO): Case 2: migratewallet on a loaded encrypted legacy wallet with a wrong passphrase TestFramework (INFO): listwallets before: ['default_wallet', 'enc'] TestFramework (INFO): listwallets after: ['default_wallet'] TestFramework (INFO): getwalletinfo on 'enc' -> RPC error -18 (wallet not loaded) TestFramework (INFO): Case 3: tx with a spendable output and a watch-only output TestFramework (INFO): imports_watchonly.gettransaction(cfbc39814ffc474a35bae511c660de7a759653f3a362639f08e38fe2bd6382ef) -> Invalid or non-wallet transaction id (-5) TestFramework (INFO): RESULT descriptor wallet still loaded: False TestFramework (INFO): RESULT encrypted wallet still loaded: False TestFramework (INFO): RESULT mixed tx present in watchonly wallet: False ``` With this branch, the same script reports `listwallets after: ['default_wallet', 'desc']` and `['default_wallet', 'desc', 'enc']`, and all three results are `True`. </details> The upstream tests backported here also fail on the unfixed code (see "How Has This Been Tested?"). ### Why it matters Neither bug loses funds or keys. The first one is a usability trap in a v24 feature: a typo in the passphrase makes the wallet disappear from the node, the GUI and RPC clients, with no hint that a `loadwallet` is needed. The second one leaves the post-migration watch-only wallet with incomplete history and balance, and nothing reports it. Users migrating real wallets have already hit it (see #7275). ## What was done? Backport of bitcoin#28868, minus one commit: - bitcoin/bitcoin commit `78ba0e6748d2` "wallet: Reload the wallet if migration exited early": remember whether the wallet was loaded (`was_loaded`), define the `reload_wallet` helper before the early exits, and reload the wallet on the descriptor-wallet, backup-failure and passphrase-failure exits. As upstream does, the passphrase unlock moves out of the `LOCK(cs_wallet)` scope so the reload does not happen while the wallet lock is held. - bitcoin/bitcoin commit `71cb28ea8cb5` "test: Make sure that migration test does not rescan on reloading": adds the `migrate_wallet()` helper, which reloads the wallet before migrating and checks that migration does not log `Rescanning`. Because the helper calls `getwalletinfo` on the wallet first, it fails if an earlier failed `migratewallet` left the wallet unloaded. The Dash-only `test_wallet_name_with_slashes` case also goes through the helper. - bitcoin/bitcoin commit `c62a8d03a862` "wallet: Keep txs that belong to both watchonly and migrated wallets": every transaction is offered to the watch-only wallet. It is removed from the migrated wallet only if the migrated wallet does not also own it. - bitcoin/bitcoin commit `4da76ca24725` "test: Test migration of tx with both spendable and watchonly" Dash adaptations and omitted hunks: - **Omitted bitcoin/bitcoin commit `9332c7edda79`** "wallet: Write bestblock to watchonly and solvable wallets". Upstream needs it because, after bitcoin#28609, the watch-only and solvable wallets are created in an empty context and reloaded at the end of migration, and without a best block record they rescan on that reload. Dash has not backported bitcoin#28609. Here those wallets are created with `CreateWallet(context, ...)`, which already writes the chain tip as their best block on first run, and they are not reloaded during migration. The commit fixes nothing on Dash today and belongs with a bitcoin#28609 backport. - 78ba0e6: Dash's "already a descriptor wallet" check (`!GetLegacyScriptPubKeyMan()`) and Dash's backup filename logic are kept as they are. The upstream hunk that moves `reload_wallet` out of the success branch does not apply, because that helper came from bitcoin#28609. The success path keeps its existing direct reload. - c62a8d0: the watch-only copy still uses `AddToWallet()`, because bitcoin#28125 (`LoadToWallet()`/`CopyFrom()` and the shared watch-only `WalletBatch`) is not backported. Only the ownership logic changes, exactly as upstream. - 71cb28e: the upstream hunk that routes `test_addressbook` through `self.migrate_wallet()` is not carried over. That scenario was added by bitcoin#28038, which Dash has not backported, so there is no `test_addressbook` to change. Every other scenario that upstream routes through the helper does so here as well. - 4da76ca: applied to Dash's existing `test_other_watchonly`. The upstream context lines that check copied tx metadata come from bitcoin#28125 and are not part of this change. ### Why this is the correct minimal fix The wallet goes missing because the unload happens before the checks, while only the success path reloads it. Reloading on each early exit is the upstream fix, and every exit taken after the unload but before any database change is covered. Moving the checks ahead of the unload would mean running the backup and the passphrase check against the loaded instance, which is a larger restructuring than this fix needs. As upstream does, no reload is attempted when `MakeWalletDatabase()`/`CWallet::Create()` fail (the same open would fail again) or when `MigrateToSQLite()` fails (by then the original BDB file may already have been removed, and the failed-migration restore path does not run). The `.legacy.bak` file written before a wrong-passphrase exit is also kept, as upstream does. The watch-only change is the upstream one-condition fix, and the rest of bitcoin#28609/bitcoin#28125 is not needed for either bug. The `migratewallet` RPC first shipped in v24.0.0-rc.1 (#7275/#7277 are on v24.0.x), so this is a candidate for v24.0.x. ## How Has This Been Tested? macOS arm64, `--enable-debug --enable-werror`, built `dashd`/`dash-cli`/`dash-wallet` at each step. - Reproduction script above: on c14104b it fails with all three bugs present. With this branch it passes. - `test/functional/wallet_migration.py` with only the 71cb28e test change, against the unfixed c14104b binary: **fails** in `test_encrypted`. After the expected wrong-passphrase errors, `migrate_wallet()` → `getwalletinfo` raises `Requested wallet does not exist or is not loaded (-18)`. All earlier migrations pass the no-`Rescanning` check. - Same test after 78ba0e6: passes. - `wallet_migration.py` with the 4da76ca test change, against a binary that has 78ba0e6 but not c62a8d0: **fails** at `watchonly.gettransaction(watchonly_spendable_txid)` with `Invalid or non-wallet transaction id (-5)`. The new listtransactions counts before migration (6) and in the migrated wallet (2) already pass at that point. - Full branch: `test/functional/test_runner.py wallet_migration.py` passes. - `test/lint/lint-python.py` and `test/lint/lint-whitespace.py`: clean. `clang-format-diff` only suggests re-wrapping the passphrase error strings. They keep upstream's layout to stay 1:1, and `wallet.cpp` is not in `non-backported.txt`. ## Breaking Changes None. After a failed `migratewallet`, a wallet that was loaded beforehand is now loaded again, as it was before the call. ## Checklist: - [x] I have performed a self-review of my own code - [ ] I have made corresponding changes to the documentation - [ ] I have assigned this pull request to a milestone _(for repository code-owners and collaborators only)_ 🤖 Generated with [Claude Code](https://claude.com/claude-code) ACKs for top commit: knst: utACK 17b0589 Tree-SHA512: c245f96c7a9a5922ae1ffad9e5c0a3a6eab3494949239cc1d94fab5cdab090239cc13fa4ea3d0a4cd017ef36657aac834d6dd0f84d2bbfd482430ed639e8b1c0 (cherry picked from commit 233aefd) Conflict in test/functional/wallet_migration.py: test_conflict_txs() comes from bitcoin#28542 (#7762), which v24.0.x does not have, so it is left out along with its migratewallet() -> migrate_wallet() change.
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fbe6526 Merge #7807: feat(consensus): hold EvoNode shares and multiple payouts behind a new evo_shares deployment (pasta) 57fd2d9 Merge #7776: fix: keep a pending ProUpServTx across a registrar update that keeps the operator key (pasta) ca69801 Merge #7803: fix: return non-zero amount of accounts after sethdseed (pasta) 57a8f07 Merge #7796: backport: bitcoin#26720 (remaining), partial bitcoin#29523: weight-check the knapsack exact-match selection (pasta) 4eb82f6 Merge #7786: fix(net): keep a dedicated onion listener when -bind is given and correct the bind release note (pasta) 70626a0 Merge #7793: backport: partial bitcoin#28868 (wallet: reload wallet if migration exited early, keep mixed watchonly txs) (pasta) 250a3cd Merge #7790: fix: guard cached governance object flags with the object lock (pasta) 700c195 Merge #7787: fix: only sign EHF signals inside the deployment's start/timeout window (pasta) a3b0f3c Merge #7785: fix: restore the txindex requirement when governance validation is enabled (pasta) 2d1735d Merge #7794: fix(wallet): floor the denomination gap threshold so rebalancing cannot oscillate (pasta) d9f6592 Merge #7783: fix: stop fish completion from re-running the typed dash-cli command (pasta) 89d44c8 Merge #7795: backport: bitcoin#34272, partial bitcoin#31650 (pass PSBT by const reference in PSBTInputSignedAndVerified) (pasta) a1d7411 Merge #7779: fix!: report legacy evonode Platform addresses when listdiff changes its address (pasta) 73f6ea2 Merge #7789: fix(qt): report malformed lang/font settings instead of aborting at startup (pasta) 40de493 Merge #7781: fix(rpc): use a consistent tip height in quorum dkgstatus (pasta) 7d1a90d Merge #7791: fix(net): request object votes from nPeersPerHashMax peers (pasta) 51b145c Merge #7778: test: use single-member in functional tests: feature_mnehf, feature_notifications, p2p_instantsend (pasta) Pull request description: ## Issue being fixed or feature implemented Backports for v24.0.0-rc.3. `v24.0.x` was cut at the v24.0.0-rc.2 tag (1e239d4), and develop has since moved to 24.1.0 (#7775), so rc.3 is built from this branch instead of being tagged on develop like rc.1 and rc.2. ## What was done? Cherry-picked (`git cherry-pick -m1 -x`) every develop merge since rc.2 that carries `backport-candidate-24.0.x`, plus #7778, which #7807's test needs. They are in develop merge order: - #7778 test: use single-member in functional tests: feature_mnehf, feature_notifications, p2p_instantsend (test-only. Needed because #7807's `feature_evo_shares_activation.py` depends on its `mine_quorum_single_member()` fix and fails without it.) - #7791 fix(net): request object votes from nPeersPerHashMax peers - #7781 fix(rpc): use a consistent tip height in quorum dkgstatus - #7789 fix(qt): report malformed lang/font settings instead of aborting at startup - #7779 fix!: report legacy evonode Platform addresses when listdiff changes its address - #7795 backport: bitcoin#34272, partial bitcoin#31650 (pass PSBT by const reference in PSBTInputSignedAndVerified) - #7783 fix: stop fish completion from re-running the typed dash-cli command - #7794 fix(wallet): floor the denomination gap threshold so rebalancing cannot oscillate - #7785 fix: restore the txindex requirement when governance validation is enabled - #7787 fix: only sign EHF signals inside the deployment's start/timeout window - #7790 fix: guard cached governance object flags with the object lock - #7793 backport: partial bitcoin#28868 (wallet: reload wallet if migration exited early, keep mixed watchonly txs) - #7786 fix(net): keep a dedicated onion listener when -bind is given and correct the bind release note. Includes partial bitcoin#36170 (5f40d56). Upstream's dedicated-onion-bind changes to `feature_torcontrol.py` and `p2p_private_broadcast.py` are not included, because those tests depend on upstream commits (5693833, e74d54e) that Dash does not have. - #7796 backport: bitcoin#26720 (remaining), partial bitcoin#29523: weight-check the knapsack exact-match selection - #7803 fix: return non-zero amount of accounts after sethdseed - #7776 fix: keep a pending ProUpServTx across a registrar update that keeps the operator key - #7807 feat(consensus): hold EvoNode shares and multiple payouts behind a new evo_shares deployment One pick needed conflict resolution, in a test only, described in its commit message: #7793, `test/functional/wallet_migration.py`. `test_conflict_txs()` comes from bitcoin#28542 (#7762), which is not on this branch, so it is left out. The C++ part of #7793 is identical to develop. Merged since rc.2 but intentionally not included: #7775 (24.1 version bump), #7260 and #7804 (new Qt feature and its CI fix), #7584 (refactor), routine upstream backports #7257, #7759, #7762, #7768, #7788, #7801, and test/CI-only changes #7777 and #7797. No version change is needed. `configure.ac` is already 24.0.0 with `CLIENT_VERSION_IS_RELEASE` false, so the build takes its version string from the `v24.0.0-rc.3` tag, as it did for rc.2. ## How Has This Been Tested? Built on macOS arm64 against depends with `--enable-debug --enable-werror` (dashd, dash-qt, tests). - `make check`: all unit test suites pass, including `test_dash-qt`. - Functional tests, all passing: `feature_evo_shares_activation.py`, `feature_masternode_shares.py`, `feature_mnehf.py`, `feature_governance.py --descriptors`, `feature_governance_objects.py`, `feature_governance_txindex_devnet.py`, `feature_proxy.py`, `feature_notifications.py`, `feature_llmq_connections.py`, `feature_llmq_chainlocks_automatic.py`, `feature_llmq_singlenode.py`, `p2p_instantsend.py`, `rpc_blockchain.py` (v1 and v2 transport), `rpc_netinfo.py`, `rpc_quorum.py`, `rpc_verifychainlock.py`, `wallet_hd.py` (legacy and descriptors), `wallet_migration.py`. - `feature_bind_extra.py` (from #7786) only runs on Linux and was skipped locally, so CI covers it. Every touched file was diffed against develop. The remaining differences come only from develop PRs that are not part of this backport. ## Breaking Changes Carried over from the picked PRs: - #7807: consensus change behind the new `evo_shares` deployment (bit 14). Mainnet and testnet are unaffected until it activates. Devnets with `v24` already active and an EvoNode carrying several owner payouts need to check or reset. New RPC `protx shared_register_prepare_evo`. - #7785: outside regtest, a node with `-txindex=0` and without `-disablegovernance` refuses to start again, as before v23.1.0. - #7786: carries a partial bitcoin#36170. A node started with `-bind` but no specific `-bind=<addr:port>=onion` now refuses to start while `-listenonion` is enabled. That is the default when listening, even without Tor configured. A wildcard onion bind is also refused. Such nodes need `-bind=127.0.0.1:<port>=onion` or `-listenonion=0`. Nodes without `-bind`, including those using only `-whitebind`, keep the default `127.0.0.1:9996` (`19996` testnet) onion target. See `doc/release-notes-7300.md`. - #7779: `protx listdiff` now includes `platform_p2p` and `platform_https` for a legacy-address evonode whose core P2P address changes. ## Checklist: - [x] I have performed a self-review of my own code - [ ] I have made corresponding changes to the documentation - [ ] I have assigned this pull request to a milestone 🤖 Generated with [Claude Code](https://claude.com/claude-code) Top commit has no ACKs. Tree-SHA512: 8cb01bdb0234f31b5dd2c105b69673de148922991a7523627395c0e0ccfa22b94be5ffbecc842398d443bc90fd9baf2eee6a9cf6fcdbbd1626eb00b93726a55a
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Issue being fixed or feature implemented
Backports 2 Bitcoin Core v0.26 pull request(s) that the Dash queue selected, including any discovered prerequisites: bitcoin#27501, bitcoin#28542.
What was done?
c24de1bc09bc74110be2Each commit keeps the upstream subject (
partial Merge …only where a hunk is deferred to a prerequisite still to be backported, named in the commit body; a hunk Dash intentionally never wants is recorded in the commit body or the reviewer's note above and does not make the backport partial). Conflicts were resolved commit by commit; commits that needed no resolution were cherry-picked unchanged.How Has This Been Tested?
Recorded per commit, at that commit's own sha, not once for the branch:
bc74110be2, which is this branch's headGates that did not come back clean — please weigh these:
tests: warn — unrelated: Nothing was changed; this failure predates this commit. The fuzz binary aborts in initialize_rpc() because Dash's own RPCbls(mech: warn — 5 invented line(s); 4 partial/prereq/low-risk finding(s)mech: warn — 13 invented line(s); 2 partial/prereq/low-risk finding(s)Breaking Changes
None beyond the upstream changes themselves.
Checklist:
Left for the reviewer; backportsys does not tick boxes on its own behalf.
Maintainer controls
Tick a box and backportsys acts on it within a few minutes, then clears the box. For anything else — a hunk to drop, a resolution to redo, a question — just leave a review comment; nothing here needs a box.
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