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db10cf8ae36693cb4d3ed1b47b84709cf9c0d849 rpc/wallet: add simulaterawtransaction RPC (Karl-Johan Alm)
701a64f548662e01821765b2934b6e4b321fda6d test: add support for Decimal to assert_approx (Karl-Johan Alm)
Pull request description:
(note: this was originally titled "add analyzerawtransaction RPC")
This command iterates over the inputs and outputs of the given transactions, and tallies up the balance change for the given wallet. This can be useful e.g. when verifying that a coin join like transaction doesn't contain unexpected inputs that the wallet will then sign for unintentionally.
I originally proposed this to Elements (https://github.com/ElementsProject/elements/pull/1016) and it was suggested that I propose this upstream.
There is an alternative #22776 to instead add this info to `getbalances` when providing an optional transaction as argument.
ACKs for top commit:
jonatack:
ACK db10cf8ae36693cb4d3ed1b47b84709cf9c0d849
achow101:
re-ACK db10cf8ae36693cb4d3ed1b47b84709cf9c0d849
Tree-SHA512: adf222ec7dcdc068d007ae6f465dbc35b692dc7bb2db337be25340ad0c2f9c64cfab4124df23400995c700f41c83c29a2c34812121782c26063b100c7969b89d
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InitWalletFlags) correctly
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This command iterates over the inputs and outputs of the given transactions, and tallies up the balance change for the given wallet. This can be useful e.g. when verifying that a coin join like transaction doesn't contain unexpected inputs that the wallet will then sign for unintentionally.
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Our RBF policy is different from the rules specified in BIP125. For
example, the BIP does not mention Rule 6, and our Rule 4 uses the
(configurable) incremental relay feerate (distinct from the
minimum relay feerate). Those interested in our policy should refer to
doc/policy/mempool-replacements.md instead. These rules may also
continue to diverge with package RBF and other RBF improvements. Keep
references to the BIP125 signaling wrt sequence numbers, since that is
still correct and widely used. It is helpful to refer to this as "BIP125
signaling" since it is unambiguous and succint, especially if we have
multiple ways to signal replaceability in the future.
The rule numbers in doc/policy/mempool-replacements.md correspond
largely to those of BIP 125, so we can still refer to them like "Rule 5."
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For some reason, the primary consumer of getWalletTxs requires the
transactions to be in hash order when it is processing them. std::map
will iterate in hash order so the transactions end up in that order when
placed into the vector. To ensure this order when mapWallet is no longer
ordered, the vector is replaced with a set which will maintain the hash
order.
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In order to avoid constantly re-deriving the same keys in
DescriptorScriptPubKeyMan, cache the SigningProviders generated inside
of GetSigningProvider.
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Rename `BResult` class to `util::Result` and update the class interface to be
more compatible with `std::optional` and with a full-featured result class
implemented in https://github.com/bitcoin/bitcoin/pull/25665. Motivation for
this change is to update existing `BResult` usages now so they don't have to
change later when more features are added in #25665.
This change makes the following improvements originally implemented in #25665:
- More explicit API. Drops potentially misleading `BResult` constructor that
treats any bilingual string argument as an error. Adds `util::Error`
constructor so it is never ambiguous when a result is being assigned an error
or non-error value.
- Better type compatibility. Supports `util::Result<bilingual_str>` return
values to hold translated messages which are not errors.
- More standard and consistent API. `util::Result` supports most of the same
operators and methods as `std::optional`. `BResult` had a less familiar
interface with `HasRes`/`GetObj`/`ReleaseObj` methods. The Result/Res/Obj
naming was also not internally consistent.
- Better code organization. Puts `src/util/` code in the `util::` namespace so
naming reflects code organization and it is obvious where the class is coming
from. Drops "B" from name because it is undocumented what it stands for
(bilingual?)
- Has unit tests.
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ddddd6913b1bdee1cad89a32d363306ea1f7b8d7 sort after scripted-diff (MacroFake)
fac812ca835e0d843aba1d4db0e49d183018a29e scripted-diff: Move mempool_args to src/node (MacroFake)
66664384a6fec39ecb4d8d06db66a4f193a06e33 Remove ::g_max_datacarrier_bytes global (MacroFake)
fad0b4fab849eb5f1f0aa54ebc290f85a473ec91 Pass datacarrier setting into IsStandard (MacroFake)
fa2a6b8516b24d7e9ca11926a49cf2b07f661e81 Combine datacarrier globals into one (MacroFake)
fa477d32eefcc3dd2f06b452066290d9936d8c5d Remove ::GetVirtualTransactionSize() alias (MacroFake)
fa2f6c1a611dffe5a3f63fe1b453f1dd420371b1 Remove ::fIsBareMultisigStd global (MacroFake)
fadc14e4f514e7167723285e0ac3d4a7149bbee6 Remove ::dustRelayFee (MacroFake)
fa8a7f01fe1b6db98097021276ed5d929faadbec Remove ::IsStandardTx(tx, reason) alias (MacroFake)
fa7a9114e59b81b50584311a4ab2b3e9a8d956bd test: Remove unused cs_main (MacroFake)
fa9cba7afb73c01bd2c8fefd662dfc80dd98c5e8 Remove ::incrementalRelayFee and ::minRelayTxFee globals (MacroFake)
fa148602e67fe035b1b21eff6c0b656919ac2d45 Remove ::fRequireStandard global (MacroFake)
fa468bdfb62dec286cb977db78d3e47b64dafeba Return optional error from ApplyArgsManOptions (MacroFake)
Pull request description:
This change is good because:
* It moves module-specific init-logic out of the bloated init.cpp
* It removes a global from validation.cpp and places it into the data structure that needs it (mempool)
ACKs for top commit:
glozow:
re ACK ddddd69
ryanofsky:
Code review ACK ddddd6913b1bdee1cad89a32d363306ea1f7b8d7
ariard:
Light Code Review ACK ddddd69
Tree-SHA512: 9de2ce601cfcaa4dfd7d1c92270568895ce8702ccdffb59829fbe9618eab0fd88d738afef33ed66988c66861115e0340e881056bfb71e2aed4af2440bd37eb1e
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state during chain sync
9e04cfaa76cf9dda27f10359dd43e78dd3268e09 test: add coverage for wallet inconsistent state during sync (furszy)
77de5c693ffe8dc0afa5e40126e9b0e9cc547e04 wallet: guard and alert about a wallet invalid state during chain sync (furszy)
Pull request description:
Follow-up work to my comment in #25239.
Guarding and alerting the user about a wallet invalid state during chain synchronization.
#### Explanation
if the `AddToWallet` tx write fails, the method returns a wtx `nullptr` without removing the recently added transaction from the wallet's map.
Which makes that `AddToWalletIfInvolvingMe` return false (even when the tx is on the wallet's map already), --> which makes `SyncTransaction` skip the `MarkInputsDirty` call --> which leads to a wallet invalid state where the inputs of this new transaction are not marked dirty, while the transaction that spends them still exist on the in-memory wallet tx map.
Plus, as we only store the arriving transaction inside `AddToWalletIfInvolvingMe` when we synchronize/scan block/s from the chain and nowhere else, it makes sense to treat the transaction db write error as a runtime error to notify the user about the problem. Otherwise, the user will lose all the not stored transactions after a wallet shutdown (without be able to recover them automatically on the next startup because the chain sync would be above the block where the txs arrived).
Note:
On purpose, the first commit adds test coverage for it. Showing how the wallet can end up in an invalid state. The second commit corrects it with the proposed solution.
ACKs for top commit:
achow101:
re-ACK 9e04cfaa76cf9dda27f10359dd43e78dd3268e09
jonatack:
ACK 9e04cfaa76cf9dda27f10359dd43e78dd3268e09
Tree-SHA512: 81f765eca40547d7764833d8ccfae686b67c7728c84271bc00dc51272de643dafc270014079dcc9727b47577ba67b340aeb5f981588b54e69a06abea6958aa96
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NodeImpl/ChainImpl/ExternalSignerImpl members public, rm temporaries, simplify
4bedfd702ad878645c51bea6ee8ce40d8c0bd3da refactor: remove unneeded temporaries in node/interfaces, simplify code (Jon Atack)
b27ba169ebd4a8e4ec29be590f03a4d0da61a0cc refactor: make all NodeImpl/ChainImpl/ExternalSignerImpl members public (Jon Atack)
Pull request description:
- Make all `NodeImpl`, `ChainImpl` and `ExternalSignerImpl` class members `public` (and document why), to be consistent in all the `*Impl` classes in `src/node/interfaces.cpp` and `src/wallet/interfaces.cpp` and to help future reviewers and contributors.
- Remove unneeded temporaries in `NodeImpl` and `ChainImpl` methods in `src/node/interfaces.cpp` and simplify, to make the code easier to read and understand and to improve performance by avoiding unnecessary move operations.
ACKs for top commit:
ryanofsky:
Code review ACK 4bedfd702ad878645c51bea6ee8ce40d8c0bd3da. Changes since last review, applying suggested style & simplifiying first commit. Also avoiding another lock in second commit.
Tree-SHA512: 112f7cad5e2838c94c5b79d61328f42fe75fdb97f401ab49eccf696fc2c6a8a0c0ee55ec974c0602acf7423f78bb82e90eb8a0cc531e1d3347f73b7c83685504
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ab3c06db1aed979847158505f3df1dcea9fd6c2b doc: Release notes for default RBF (Andrew Chow)
61d9149e7804e2cec8fecf4150837344322eb301 rpc: Default rbf enabled (Andrew Chow)
e3c33637bac7db8ae56ab497df10911fad773981 wallet: Enable -walletrbf by default (Andrew Chow)
Pull request description:
The GUI currently opts in to RBF by default, but RPCs do not, and `-walletrbf` is default disabled. This PR makes the default in those two places to also opt in.
The last time this was proposed (#9527), the primary objections were the novelty at the time, the inability to bump transactions, and the gui not having the option to disable rbf. In the 5 years since, RBF usage has steadily grown, with ~27% of txs opting in. The GUI has the option to enable/disable RBF, and is also defaulted to having it enabled. And we have the ability to bump RBF'd transactions in both the RPC and the GUI. So I think it makes sense to finally change the default to always opt in to RBF.
ACKs for top commit:
darosior:
reACK ab3c06db1aed979847158505f3df1dcea9fd6c2b
aureleoules:
ACK ab3c06db1aed979847158505f3df1dcea9fd6c2b.
glozow:
utACK ab3c06db1a
Tree-SHA512: 81b012c5033e270f86a87a6a196ccc549eb54b158eebf88e917cc6621d40d7bdcd1566b602688907dd5d364b95a557b29f97dce869cea512e339588262c027b6
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as the classes themselves are private, and to be consistent within all the
*Impl classes in src/node/interfaces.cpp and src/wallet/interfaces.cpp
following this order:
public:
// ... virtual methods ...
// ... nonvirtual helper methods ...
// ... data members ...
and add documentation in src/node/interfaces.cpp and src/wallet/interfaces.cpp
to help future reviewers and contributors.
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In AvailableCoins, we need to know whether we can solve for an output.
This was done by using IsSolvable, which just calls ProduceSignature and
produces a dummy signature. However, we already do that in order to get
the size of the input by using CalculateMaximumSignedInputSize. As this
function returns -1 if ProduceSignature fails, we can just remove the
use of IsSolvable and check that input_bytes is not -1 to determine
the solvability of an output.
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during coin selection
71d1d13627ccd27319f347e2d8167c8fe8a433f4 test: add unit test for AvailableCoins (josibake)
da03cb41a4ce15ebceee7fa4a4fdd2d3602fe284 test: functional test for new coin selection logic (josibake)
438e04845bf3302b7f459a50e88a1b772527f1e6 wallet: run coin selection by `OutputType` (josibake)
77b07072061c59f50c69be29fbcddf0d433e1077 refactor: use CoinsResult struct in SelectCoins (josibake)
2e67291ca3ab2d8f498fa910738ca655fde11c5e refactor: store by OutputType in CoinsResult (josibake)
Pull request description:
# Concept
Following https://github.com/bitcoin/bitcoin/pull/23789, Bitcoin Core wallet will now generate a change address that matches the payment address type. This improves privacy by not revealing which of the outputs is the change at the time of the transaction in scenarios where the input address types differ from the payment address type. However, information about the change can be leaked in a later transaction. This proposal attempts to address that concern.
## Leaking information in a later transaction
Consider the following scenario:
1. Alice has a wallet with bech32 type UTXOs and pays Bob, who gives her a P2SH address
2. Alice's wallet generates a P2SH change output, preserving her privacy in `txid: a`
3. Alice then pays Carol, who gives her a bech32 address
4. Alice's wallet combines the P2SH UTXO with a bech32 UTXO and `txid: b` has two bech32 outputs
From a chain analysis perspective, it is reasonable to infer that the P2SH input in `txid: b` was the change from `txid: a`. To avoid leaking information in this scenario, Alice's wallet should avoid picking the P2SH output and instead fund the transaction with only bech32 Outputs. If the payment to Carol can be funded with just the P2SH output, it should be preferred over the bech32 outputs as this will convert the P2SH UTXO to bech32 UTXOs via the payment and change outputs of the new transaction.
**TLDR;** Avoid mixing output types, spend non-default `OutputTypes` when it is economical to do so.
# Approach
`AvailableCoins` now populates a struct, which makes it easier to access coins by `OutputType`. Coin selection tries to find a funding solution by each output type and chooses the most economical by waste metric. If a solution can't be found without mixing, coin selection runs over the entire wallet, allowing mixing, which is the same as the current behavior.
I've also added a functional test (`test/functional/wallet_avoid_mixing_output_types.py`) and unit test (`src/wallet/test/availablecoins_tests.cpp`.
ACKs for top commit:
achow101:
re-ACK 71d1d13627ccd27319f347e2d8167c8fe8a433f4
aureleoules:
ACK 71d1d13627ccd27319f347e2d8167c8fe8a433f4.
Xekyo:
reACK 71d1d13627ccd27319f347e2d8167c8fe8a433f4 via `git range-diff master 6530d19 71d1d13`
LarryRuane:
ACK 71d1d13627ccd27319f347e2d8167c8fe8a433f4
Tree-SHA512: 2e0716efdae5adf5479446fabc731ae81d595131d3b8bade98b64ba323d0e0c6d964a67f8c14c89c428998bda47993fa924f3cfca1529e2bd49eaa4e31b7e426
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This avoids initializing variables with the copy-constructor of a
non-trivially copyable type.
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UniValue::VNULL
fa28d0f3c3fe528dae7fd6dc7725219b9bdf0e1b scripted-diff: Replace NullUniValue with UniValue::VNULL (MacroFake)
fa962103e8eb0b078b83943a21831be39e7716c9 fuzz: refactor: Replace NullUniValue with UniValue{} (MacroFake)
Pull request description:
This refactor is needed to disable the (potentially expensive for large json) UniValue copy constructors.
ACKs for top commit:
fanquake:
ACK fa28d0f3c3fe528dae7fd6dc7725219b9bdf0e1b
Tree-SHA512: 7d4204cce0a6fc4ecda96973de77d15b7e4c7caa3e0e890e1f5b9a4b9ace8b240b1f7565d6ab586e168a5fa1201b6c60a924868ef34d6abfbfd8ab7f0f99fbc7
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test/lint/all-lint.py includes the codespell lint
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This is required for removing the UniValue copy constructor.
-BEGIN VERIFY SCRIPT-
sed -i 's/return NullUniValue/return UniValue::VNULL/g' $(git grep -l NullUniValue ':(exclude)src/univalue')
-END VERIFY SCRIPT-
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integral type confusions
fa23c197509f692a815193acc1b50bad2fcbedfe univalue: Avoid narrowing and verbose int constructors (MacroFake)
fa3a9a1e8d9b6dffda772e97c279f3c0af6813f9 rpc: Select int-UniValue constructor for enum value in upgradewallet RPC (MacroFake)
Pull request description:
As UniValue provides several constructors for integral types, the
compiler is unable to select one if the passed type does not exactly
match. This is unintuitive for developers and forces them to write
verbose and brittle code. (Refer to `-Wnarrowing` compiler warning)
For example, there are many places where an unsigned int is cast to a
signed int. While the cast is safe in practice, it is still needlessly
verbose and confusing as the value can never be negative. In fact it
might even be unsafe if the unsigned value is large enough to map to a
negative signed one.
Fix this issue and other (minor) type issues.
ACKs for top commit:
aureleoules:
ACK fa23c197509f692a815193acc1b50bad2fcbedfe.
Tree-SHA512: 7d99b5b90c7d8eed2e3448167255a59e817dd6b8fcfc1b17c69ddefd0db33d1bf4344fbcd8b7f8685b58182c0f572ab9ffa99467afa666ac21843df7ea645033
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and use it where possible
faf9accd662974a69390213fee1b5c6237846b42 Use HashWriter where possible (MacroFake)
faa5425629d35708326b255570c51139aef0c8c4 Add HashWriter without ser-type and ser-version (MacroFake)
Pull request description:
This was done in the context of https://github.com/bitcoin/bitcoin/pull/25284 , but I think it also makes sense standalone.
The basic idea is that serialization type should not be initialized when it is not needed. Same for the serialization version.
So do this here for `HashWriter`. `CHashWriter` remains in places where it is not yet possible.
ACKs for top commit:
sipa:
utACK faf9accd662974a69390213fee1b5c6237846b42
Empact:
utACK https://github.com/bitcoin/bitcoin/pull/25331/commits/faf9accd662974a69390213fee1b5c6237846b42
Tree-SHA512: 544cc712436e49f6e608120bcd3ddc5ea72dd236554ce30fb6cfff34a92d7e67b6e6527336ad0f5b6365e2b2884f4c6508aef775953ccd9312f17752729703f2
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check code
47ea70fbb85fefeb4de9d3142a11596d292eab9b wallet: clean AllInputsMine code, use InputIsMine internally (furszy)
bf310b0e8ce82d52bacceeb47c9f5dbb26885f7e wallet: clean InputIsMine code, use GetWalletTx (furszy)
0cb177263c36118094b7cd3b8f94741c0471ff62 wallet: unify CachedTxGetImmatureCredit and CachedTxGetImmatureWatchOnlyCredit (furszy)
04c6423f7b250ae1e51bb5cd159913e97494fb0e wallet: remove always true 'fUseCache' arg from CachedTxGetAvailableCredit (furszy)
4f0ca9bff6299353f595fe168dce720a96a91c41 wallet: remove always false 'recalculate' arg from GetCachableAmount (furszy)
47b1012677821ce2939e10ba462fbe53ffff17df wallet: remove always true 'fUseCache' from CachedTxGetImmatureWatchOnlyCredit (furszy)
da8f62de2c5561e091ef8073d6950c033f41aabf wallet: remove always true 'fUseCache' from CachedTxGetImmatureCredit (furszy)
Pull request description:
Another wallet's code garbage collector work. Part of the `mapWallet` encapsulation goal.
Focused on the following points:
1) Remove always true `fUseCache` argument from `CachedTxGetImmatureCredit`, `CachedTxGetImmatureWatchOnly` and `CachedTxGetAvailableCredit`.
2) Remove always false `recalculate` argument from `GetCachableAmount`.
3) Merge `CachedTxGetImmatureCredit` and `CachedTxGetImmatureWatchOnlyCredit` as they do share the exact same code.
4) Clean `InputIsMine` method; use `GetWalletTx` instead of access the wallet's map directly.
5) Clean `AllInputsMine` method; use `InputIsMine` instead of duplicate the exact same code internally.
ACKs for top commit:
aureleoules:
re-ACK 47ea70fbb85fefeb4de9d3142a11596d292eab9b
achow101:
ACK 47ea70fbb85fefeb4de9d3142a11596d292eab9b
theStack:
re-ACK 47ea70fbb85fefeb4de9d3142a11596d292eab9b
Tree-SHA512: e9b64b57de7be6165c5e5552e28cd8a03d4736b0a3707d29d129e3a0a3db6a855c2abf47a24917236060835a297b564a97b66d4c8b178d6bdafb93a12a7c0b40
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7878f97bf15b6e7c9b47d1c0d96419b97e1bdcbd indexes, refactor: Remove CChainState use in index CommitInternal method (Ryan Ofsky)
ee3a079fab2c33b4186b62ab822753954a4e545f indexes, refactor: Remove CBlockIndex* uses in index Rewind methods (Ryan Ofsky)
dc971be0831959e7ee6a6df9e1aa46091351a8fb indexes, refactor: Remove CBlockIndex* uses in index WriteBlock methods (Ryan Ofsky)
bef4e405f3de2718dfee279a9abff4daf016da26 indexes, refactor: Remove CBlockIndex* uses in index Init methods (Ryan Ofsky)
addb4f2af183a25ce4a6b6485b5b49575a2ba31b indexes, refactor: Remove CBlockIndex* uses in coinstatsindex LookUpOne function (Ryan Ofsky)
33b4d48cfcdf145f49cb2283ac3e2936a4e23fff indexes, refactor: Pass Chain interface instead of CChainState class to indexes (Ryan Ofsky)
a0b5b4ae5a24536d333cbce2ea584f2d935c651f interfaces, refactor: Add more block information to block connected notifications (Ryan Ofsky)
Pull request description:
Start transitioning index code away from using internal node types like `CBlockIndex` and `CChain` so index code is less coupled to node code and index code will later be able to stop locking cs_main and sync without having to deal with validationinterface race conditions, and so new indexes are easier to write and can run as plugins or separate processes.
This PR contains the first 7 commits from https://github.com/bitcoin/bitcoin/pull/24230#issuecomment-1165625977 which have been split off for easier review. Previous review comments can be found in #24230
ACKs for top commit:
MarcoFalke:
ACK 7878f97bf15b6e7c9b47d1c0d96419b97e1bdcbd though did not review the last commit 🤼
mzumsande:
Code Review ACK 7878f97bf15b6e7c9b47d1c0d96419b97e1bdcbd
Tree-SHA512: f84ac2eb6dca2c305566ddeb35ea14d0b71c00860c0fd752bbcf1a0188be833d8c2a6ac9d3ef6ab5b46fbd02d7a24cbb8f60cf12464cb8ba208e22287f709989
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test that UTXOs are bucketed correctly after
running AvailableCoins
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Run coin selection on each OutputType separately, choosing the best
solution according to the waste metric.
This is to avoid mixing UTXOs that are of different OutputTypes,
which can hurt privacy.
If no single OutputType can fund the transaction, then coin selection
considers the entire wallet, potentially mixing (current behavior).
This is done inside AttemptSelection so that all OutputTypes are
considered at each back-off in coin selection.
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Pass the whole CoinsResult struct to SelectCoins instead of only a
vector. This means we now have to remove preselected coins from each
OutputType vector and shuffle each vector individually.
Pass the whole CoinsResult struct to AttemptSelection. This involves
moving the logic in AttemptSelection to a newly named function,
ChooseSelectionResult. This will allow us to run ChooseSelectionResult
over each OutputType in a later commit. This ensures the backoffs work
properly.
Update unit and bench tests to use CoinResult.
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Store COutputs by OutputType in CoinsResult.
The struct stores vectors of `COutput`s by `OutputType`
for more convenient access
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The descriptor wallets allow an application to track coins of multiple
descriptors in a single wallet. However, such an application would not
previously be able to (easily) tell what received coin "belongs" to what
descriptor.
This commit tackles this issues by adding a "wallet_desc" entry to the
entries for received coins in 'listsinceblock'.
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inputs' UTXOs
d2ed97656bba050051cfc677f1fa7eb3fc633f7d wallet: Precompute Txdata after setting PSBT inputs' UTXOs (Andrew Chow)
Pull request description:
If we are given a PSBT that is missing one or more input UTXOs, our
PrecomputedTransactionData will be incorrect and missing information
that it should otherwise have, and therefore we may not produce a
signature when we should. To avoid this problem, we can do the
precomputation after we have set the UTXOs the wallet is able to set for
the PSBT.
Also adds a test for this behavior.
ACKs for top commit:
instagibbs:
reACK https://github.com/bitcoin/bitcoin/pull/25590/commits/d2ed97656bba050051cfc677f1fa7eb3fc633f7d
Sjors:
ACK d2ed97656bba050051cfc677f1fa7eb3fc633f7d
aureleoules:
ACK d2ed97656bba050051cfc677f1fa7eb3fc633f7d.
Tree-SHA512: 71beb6c7946096e82cfca83f36277302aa9e69d27b4f6d73d7d8f2f9f0ea1c0d653e846fa6aebee5e4763f56f950b4481240e953f6a2412caa84908d519171e1
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817326a828d6148dc63d9ef08f641b9c0c522411 wallet: avoid rescans if under the snapshot (James O'Beirne)
Pull request description:
This is part of the [assumeutxo project](https://github.com/bitcoin/bitcoin/projects/11) (parent PR: #15606)
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Refuse to load a wallet if it requires a rescan lower than the height of assumed-valid blocks.
Of course in live code right now, `BLOCK_ASSUMED_VALID` block index entries don't exist since they're a unique flag introduced by the use of UTXO snapshots, so this is prophylactic code exercised only by unittests.
ACKs for top commit:
achow101:
ACK 817326a828d6148dc63d9ef08f641b9c0c522411
ryanofsky:
Code review ACK 817326a828d6148dc63d9ef08f641b9c0c522411. This seems like the simplest change we can make to avoid wallet problems when an assumeutxo snapshot is loaded.
Tree-SHA512: cfa44b2eb33d1818d30df45210d0dde1e9b78cc9b7c88cb985054dc28427bba9e0905debe4196065d1d3a5ce7bca7e605e629d5ce5f0225b25395746e6d3d596
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notifications
Add new interfaces::BlockInfo struct to be able to pass extra block
information (file and undo information) to indexes which they are
updated to use high level interfaces::Chain notifications.
This commit does not change behavior in any way.
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Second attempt
1be796418934ae7370cb0ed501877db59e738106 test, wallet: Add mempool rescan test for import RPCs (Fabian Jahr)
833ce76df712932c19e99737e87b5569e2bca34b rpc, wallet: Document mempool rescan after importdescriptor, importwallet (Fabian Jahr)
0e396d1ba701c9ac6280a98bf37f53352167e724 rpc, wallet: Document mempool scan after importmulti (Fabian Jahr)
e6d3ef85867545a5a66a211e35e818e8a1b166fa rpc, wallet: Document mempool scan after importpubkey (Fabian Jahr)
6d3db52e667474b6c0c2e4eeb9fb5b3ba4063205 rpc, wallet: Document and test mempool scan after importprivkey (João Barbosa)
3abdbbb90a4a8f2041fec37506268e66a0b3eb31 rpc, wallet: Document and test mempool scan after importaddress (João Barbosa)
236239bd40ae1175537fc932df5af27902326329 wallet: Rescan mempool for transactions as well (Fabian Jahr)
Pull request description:
This PR picks up the work from #18964 and closes #18954.
It should incorporate all the unaddressed feedback from the PR:
- Mempool rescan now expanded to all relevant import* RPCs
- Added documentation in the help of each RPC
- More tests
ACKs for top commit:
Sjors:
re-utACK 1be796418934ae7370cb0ed501877db59e738106 (only a test change)
achow101:
ACK 1be796418934ae7370cb0ed501877db59e738106
w0xlt:
reACK https://github.com/bitcoin/bitcoin/pull/25351/commits/1be796418934ae7370cb0ed501877db59e738106
Tree-SHA512: b62fed5f97c6c242b2af417b41c9696a1f18878483d9e1c9429791f9c05257f57a00540a9a84df23c49faf6a61c3109c22972de81540083f38b506217804fcc5
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When a transaction arrives, the wallet mark its inputs (prev-txs) as dirty.
Clearing the wallet transaction cache, triggering a balance recalculation.
If this does not happen due a db write error during `AddToWallet`, the wallet
will be in an invalid state: The transaction that spends certain wallet UTXO will
exist inside the in-memory wallet tx map, having the credit/debit calculated,
while its inputs will still have the old cached data (like if them were never
spent).
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-Context:
If `AddToWallet` db write fails, the method returns a wtx nullptr without
removing the recently added transaction from the wallet's map.
-Problem:
When a db write error occurs, `AddToWalletIfInvolvingMe` return false even
when the tx is on the wallet's map already --> which makes `SyncTransaction`
skip the `MarkInputsDirty` call --> which leads to a wallet invalid state
where the inputs of this new transaction are not marked dirty, while the
transaction that spends them still exist on the in-memory wallet tx map.
Plus, as we only store arriving transaction inside `AddToWalletIfInvolvingMe`
when we synchronize/scan blocks from the chain and nowhere else, it makes sense
to treat the tx db write error as a runtime error to notify the user about the
problem. Otherwise, the user will lose all the not stored transactions after a
wallet shutdown (without be able to recover them automatically on the next
startup because the chain sync would be above the block where the txs arrived).
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cached debit/credit amount
757216e31cac7dcd45e11b2a2c6148420b3b99da wallet: don't iter twice when getting the cached debit/credit amount (Antoine Poinsot)
Pull request description:
A small optimization i stumbled upon while looking at something else. Figured it could be worth a PR.
Instead of calling GetCachableAmount twice, which will result in
iterating through all the transaction txins/txouts and calling
GetDebit/GetCredit (which lock cs_wallet), just merge the filters and do
it once.
ACKs for top commit:
achow101:
ACK 757216e31cac7dcd45e11b2a2c6148420b3b99da
aureleoules:
ACK 757216e31cac7dcd45e11b2a2c6148420b3b99da.
Tree-SHA512: 0dbbdd24231380196e929dce572752e6be1d69457252a7215e279e71d6199483b516f64019ae999a91dbce7fdd86f8bf0336b6e151cca93cbcf51bc854e838a2
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pushes over silent ignore
fa277cd55dd105018e7d1220b4c3d96779e6b0f4 univalue: Throw exception on invalid pushes over silent ignore (MacroFake)
ccccc17b91698aa09ac85f7efea298f3938594ad refactor: Default options in walletcreatefundedpsbt to VOBJ instead of VNULL (MacroFake)
Pull request description:
The return value of the `push*` helpers is never used, but important to determine if the operation was successful. One way to fix this would be to add the "nodiscard" attribute. However, this would make the code (and this diff) overly verbose for no reason.
So fix it by removing the never used return value. Also, fail verbosely in case of a programming mistake.
ACKs for top commit:
furszy:
code ACK fa277cd5
Tree-SHA512: ef212a5bf5ae6bbad20acc4dafa3715521e81544185988d1eab724f440e4864a27e686aff51d5bc51b3017892c2eb8e577bcb8f37e8ddbaa0d8833bb622f2f9c
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We currently expose a method to get the signing providers, which allows
to infer a descriptor from the scriptPubKey. But in order to identify
"on" what descriptor a coin was received, we need access to the
descriptors that were imported to the wallet.
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UniValue does not have a constructor for enum values, however the
compiler will decay the enum into an int and select that constructor.
Avoid this compiler magic and clarify the code by explicitly selecting
the int-constructor.
This is needed for the next commit.
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fa475e9c7977a952617738f2ee8cf600c07d4df8 refactor: Return BResult from restoreWallet (MacroFake)
fa8de09edc9ec4e6d171df80f746174a0ec58afb Prepare BResult for non-copyable types (MacroFake)
Pull request description:
This avoids the `error` in-out param (and if `warnings` is added to `BResult`, it will avoid passing that in-out param as well).
Also, as it is needed for this change, prepare `BResult` for non-copyable types.
ACKs for top commit:
w0xlt:
reACK https://github.com/bitcoin/bitcoin/pull/25594/commits/fa475e9c7977a952617738f2ee8cf600c07d4df8
ryanofsky:
Code review ACK fa475e9c7977a952617738f2ee8cf600c07d4df8. Changes since last review were replacing auto with explicit type and splitting commits
Tree-SHA512: 46350883572f13721ddd198f5dfb88d2fa58ebcbda416f74da3563ea15c920fb1e6ff30558526a4ac91c36c21e6afe27751a4e51b7b8bcbcbe805209f4e9014b
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This should not change behavior and makes the code consistent with other
places.
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