Behavior changes are:
- if a tx has a mempool conflict, the wallet will not attempt to
rebroadcast it
- if a txo is spent by a mempool-conflicted tx, that txo is no
longer considered spent
f06016d77d wallet: Add asserts to detect unset transaction height values (Ryan Ofsky)
262a78b133 wallet, refactor: Add CWalletTx::updateState function (Ryan Ofsky)
Pull request description:
Originally, this PR fixed a wallet migration bug that could cause the watchonly wallet created by legacy wallet migration to have incorrect transaction height values. A different fix for the bug was implemented in #28609, but that PR did not add any test coverage that would have caught the bug, and didn't include other changes from this PR intended to prevent problems from invalid transaction heights.
This PR adds new asserts to catch invalid transaction heights, which would trigger test failures without bugfix in #28609. This PR also refactors code and adds comments to clarify assumptions and make it less likely a bug from invalid transaction height values would be introduced.
ACKs for top commit:
achow101:
ACK f06016d77d
Sjors:
utACK f06016d77d
furszy:
Code review ACK f06016d
Tree-SHA512: 82657c403724d60354f7676b53bcfcc95bdc5864e051a2eb8bfad09d8ad35615393b2d6b432b46f908def9be37bebded3a55ec9ae19e19371d35897fe842c92e
940a49978c Use type-safe txid types in orphanage (dergoegge)
ed70e65016 Introduce types for txids & wtxids (dergoegge)
cdb14d79e8 [net processing] Use HasWitness over comparing (w)txids (dergoegge)
Pull request description:
We currently have two different identifiers for transactions: `txid` (refering to the hash of a transaction without witness data) and `wtxid` (referring to the hash of a transaction including witness data). Both are typed as `uint256` which could lead to type-safety bugs in which one transaction identifier type is passed where the other would be expected.
This PR introduces explicit `Txid` and `Wtxid` types that (if used) would cause compilation errors for such type confusion bugs.
(Only the orphanage is converted to use these types in this PR)
ACKs for top commit:
achow101:
ACK 940a49978c
stickies-v:
ACK 940a49978c
hebasto:
ACK 940a49978c, I have reviewed the code and it looks OK.
instagibbs:
re-ACK 940a49978c
BrandonOdiwuor:
re-ACK 940a49978c
glozow:
reACK 940a49978c
Tree-SHA512: 55298d1c2bb82b7a6995e96e554571c22eaf4a89fb2a4d7a236d70e0f625e8cca62ff2490e1c179c47bd93153fe6527b56870198f026f5ee7753d64d7a424c92
4814e4063e test: Check tx metadata is migrated to watchonly (Andrew Chow)
d616d30ea5 wallet: Reload watchonly and solvables wallets after migration (Andrew Chow)
118f2d7d70 wallet: Copy all tx metadata to watchonly wallet (Andrew Chow)
9af87cf348 test: Check that a failed wallet migration is cleaned up (Andrew Chow)
Pull request description:
Some incomplete/incorrect state as a result of migration can be mitigated/cleaned up by simply restarting the migrated wallets. We already do this for a wallet when it is migrated, but we do not for the new watchonly and solvables wallets that may be created. This PR introduces this behavior, in addition to creating those wallets initially without an attached chain.
While implementing this, I noticed that not all `CWalletTx` metadata was being copied over to the watchonly wallet and so some data, such as time received, was being lost. This PR fixes this as a side effect of not having a chain attached to the watchonly wallet. A test has also been added.
ACKs for top commit:
ishaanam:
light code review ACK 4814e4063e
ryanofsky:
Code review ACK 4814e4063e. Just implemented the suggested orderpos, copyfrom, and path set comments since last review
furszy:
ACK 4814e406
Tree-SHA512: 0b992430df9f452cb252c2212df8e876613f43564fcd1dc00c6c31fa497adb84dfff6b5ef597590f9b288c5f64cb455f108fcc9b6c9d1fe9eb2c39e7f2c12a89
No change in behavior, this just moves code which updates transaction state to
a new method so it can be used after offline processes such as wallet
migration.
b0fa5989e1 test: Check that orphaned coinbase unconf spend is still abandoned (Andrew Chow)
9addbd7890 wallet: Automatically abandon orphaned coinbases and their children (Andrew Chow)
Pull request description:
When a block is reorged out of the main chain, any descendants of the coinbase will no longer be valid. Currently they are only marked as inactive, which means that our balance calculations will still include them. In order to be excluded from the balance calculation, they need to either be abandoned or conflicted. This PR goes with the abandoned method.
Note that even when they are included in balance calculations, coin selection will not select outputs belonging to these transactions because they are not in the mempool.
Fixes#14148
ACKs for top commit:
furszy:
ACK b0fa5989 with a not-blocking nit.
aureleoules:
reACK b0fa5989e1
ishaanam:
ACK b0fa5989e1
Tree-SHA512: 68f12e7aa8df392d8817dc6ac0becce8dbe83837bfa538f47027e6730e5b2e1b1a090cfcea2dc598398fdb66090e02d321d799f087020d7e1badcf96e598c3ac
Both of these functions do almost the exact same thing. They can be
deduplicated so that their behavior matches except for the filtering
aspect. As this function will now always be called on wallet loading,
nNextResend will also always be initialized, so
wallet_resendwallettransactions.py is updated to account for that.
This also resolves a bug where ResendWalletTransactions would fail to
rebroadcast txs in insertion order thereby potentially rebroadcasting a
child transaction before its parent and causing the child to not
actually get rebroadcast.
Also names the combined function to ResubmitWalletTransactions as the
function just submits the transactions to the mempool rather than doing
any sending by itself.
Current CWalletTx state representation makes it possible to set
inconsistent states that won't be handled correctly by wallet sync code
or serialized & deserialized back into the same form.
For example, it is possible to call setConflicted without setting a
conflicting block hash, or setConfirmed with no transaction index. And
it's possible update individual m_confirm and fInMempool data fields
without setting an overall consistent state that can be serialized and
handled correctly.
Fix this without changing behavior by using std::variant, instead of an
enum and collection of fields, to represent sync state, so state
tracking code is safer and more legible.
This is a first step to fixing state tracking bugs
https://github.com/bitcoin-core/bitcoin-devwiki/wiki/Wallet-Transaction-Conflict-Tracking,
by adding an extra margin of safety that can prevent new bugs from being
introduced as existing bugs are fixed.
Follow-up to:
* commit 700c42b85d, which replaced pIndex
with block_hash in AddToWalletIfInvolvingMe.
* commit 9700fcb47f, which replaced
posInBlock with confirm.nIndex.
9d0379cea6 consensus: use <cstdint> over <stdint.h> in amount.h (fanquake)
863e52fe63 consensus: make COIN & MAX_MONEY constexpr (fanquake)
d09071da5b [MOVEONLY] consensus: move amount.h into consensus (fanquake)
Pull request description:
A first step (of a few) towards some source code reorganization, as well as making libbitcoinconsensus slightly more self contained.
Related to #15732.
ACKs for top commit:
MarcoFalke:
concept ACK 9d0379cea6 🏝
Tree-SHA512: 97fc79262dcb8c00996852a288fee69ddf8398ae2c95700bba5b326f1f38ffcfaf8fa66e29d0cb446d9b3f4e608a96525fae0c2ad9cd531ad98ad2a4a687cd6a
Since accounts were removed in commit c9c32e6b84,
this function is only called at one place and thus can be as well inlined. Also,
avoid a duplicate lookup by using the find() method and dereference, instead of
calling count() and operator[].
Followup to commit "MOVEONLY: CWallet transaction code out of
wallet.cpp/.h" that detaches and renames some CWalletTx methods, making
into them into standalone functions or CWallet methods instead.
There are no changes in behavior and no code changes that aren't purely
mechanical. It just gives spend and receive functions more consistent
names and removes the circular dependencies added by the earlier
MOVEONLY commit.
There are also no comment or documentation changes. Removed comments
from transaction.h are just migrated to spend.h, receive.h, and
wallet.h.
This commit just moves functions without making any changes. It can be
reviewed with `git log -p -n1 --color-moved=dimmed_zebra`
Motivation for this change is to make wallet.cpp/h less monolithic and
start to make wallet transaction state tracking comprehensible so bugs
in
https://github.com/bitcoin-core/bitcoin-devwiki/wiki/Wallet-Transaction-Conflict-Tracking
can be fixed safely without introducing new problems.
This commit moves wallet classes and methods that deal with transactions
out of wallet.cpp/.h into better organized files:
- transaction.cpp/.h - CWalletTx and CMerkleTx class definitions
- receive.cpp/.h - functions checking received transactions and computing balances
- spend.cpp/.h - functions creating transactions and finding spendable coins
After #20773, when loading is separated from syncing it will also be
possible to move more wallet.cpp/.h functions to:
- sync.cpp/.h - functions handling chain notifications and rescanning
This commit arranges receive.cpp and spend.cpp functions in dependency
order so it's possible to skim receive.cpp and get an idea of how
computing balances works, and skim spend.cpp and get an idea of how
transactions are created, without having to jump all over wallet.cpp
where functions are not in order and there is a lot of unrelated code.
Followup commit "refactor: Detach wallet transaction methods" in
https://github.com/bitcoin/bitcoin/pull/21206 follows up this PR and
tweaks function names and arguments to reflect new locations. The two
commits are split into separate PRs because this commit is more work to
maintain and less work to review, while the other commit is less work to
maintain and more work to review, so hopefully this commit can be merged
earlier.
