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when user specifies fee_rate
f58beabe754363cb7d5b24032fd392654b9514ac test: bumpfee with user specified fee_rate ignores walletIncrementalRelayFee (ismaelsadeeq)
436e88f4336199998184cbfa5d1c889ffaefbfb5 bumpfee: ignore WALLET_INCREMENTAL_RELAY_FEE when user specifies fee rate (ismaelsadeeq)
Pull request description:
Fixes #26973
When using the `bumpfee` RPC and manually specifying `fee_rate`, there should be no requirement that the new fee must be at least the sum of the original fee and `incrementalFee` (maximum of `relayIncrementalFee` and `WALLET_INCREMENTAL_RELAY_FEE`).
This restriction should only apply when user did not specify `fee_rate`.
> because the GUI doesn't let the user specify the new fee rate yet (https://github.com/bitcoin-core/gui/issues/647), it would be very annoying to have to bump 20 times to increment by 20 sat/vbyte.
The restriction should instead be the new fee must be at least the sum of the original fee and `incrementalFee` (`relayIncrementalFee`)
ACKs for top commit:
achow101:
ACK f58beabe754363cb7d5b24032fd392654b9514ac
murchandamus:
ACK f58beabe754363cb7d5b24032fd392654b9514ac
Tree-SHA512: 193259f87173b7d5a8e68e0e29f2ca7e75c550e3cf0dee3d6d822b5b1e07c2e6dec0bfc8fb435855736ebced97a10dbdbfef72e8c5abde06fdefcba122f2e7f1
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Add TransactionError to node namespace and include it directly instead of
relying on indirect include through common/messages.h
This is a followup to a previous commit which moved the TransactionError enum.
These changes were done in a separate followup just to keep the previous commit
more minimal and easy to review.
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Add separate PSBTError enum instead of reusing TransactionError enum for PSBT
operations, and drop unused error codes. The error codes returned by PSBT
operations and transaction broadcast functions mostly do not overlap, so using
an unified enum makes it harder to call any of these functions and know which
errors actually need to be handled.
Define PSBTError in the common library because PSBT functionality is
implemented in the common library and used by both the node (for rawtransaction
RPCs) and the wallet.
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This commit update CheckFeeRate's incrementalRelayFee to use relayIncrementalFee
not max of (walletIncrementalRelayfee and relayIncrementalFee).
The restriction is not needed since user provided the fee rate.
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Since #25273, the behavior of 'inserting change at a random
position' is instructed by passing std::nullopt instead of -1.
Also, added missing documentation about the meaning of
'change_pos=std::nullopt' inside 'CWallet::CreateTransaction()'
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Instead of making -1 a magic number meaning no change or random change
position, use an optional to have that meaning.
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Instead of having a separate CCoinControl::SelectExternal function, we
can use the normal CCoinControl::Select function and explicitly use
PreselectedInput::SetTxOut in the caller. The semantics of what an
external input is remains.
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43de4d3630274e1287179c86896ed4c2d8b9eff4 doc: fix typos (Sjors Provoost)
Pull request description:
This PR fixes typos found by lint-spelling.py using codespell 2.2.6.
Our CI linter job uses codespell 2.2.5 and found fewer typos that I did locally. In any case it's happy now.
ACKs for top commit:
pablomartin4btc:
re ACK 43de4d3630274e1287179c86896ed4c2d8b9eff4
Tree-SHA512: c032fe86cb49c924a468385653b31f309a9db68c478d70335bba3e65a1ff3826abe80284fe00a090ab5a509e1edbf17e476f6922fb15d055e50f1103dad2ccb0
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As found by lint-spelling.py using codespell 2.2.6.
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The current argument name and description are dangerous as it don't
describe the case where the user selects the recipient output as the
change address. This one could end up been increased by the inputs
minus outputs remainder. Which, when bumpfee adds new inputs
to the transaction, leads the process to send more coins to the
recipient. Which is not what the user would expect from a
'reduce_output' param naming.
Co-authored-by: Murch <murch@murch.one>
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instead of just scriptPubKey
ad0c469d98c51931b98b7fd937c6ac3eeaed024e wallet: Use CTxDestination in CRecipient rather than scriptPubKey (Andrew Chow)
07d3bdf4ebc06825ea24ab6f7c87aef6a22238c6 Add PubKeyDestination for P2PK scripts (Andrew Chow)
1a98a51c666e9ae77364115775ec2e0ba984e8e0 Allow CNoDestination to represent a raw script (Andrew Chow)
8dd067088d41f021b357d7db5fa5f0a9f61edddc Make WitnessUnknown members private (Andrew Chow)
Pull request description:
For silent payments, we want to provide a `SilentPaymentsDestination` to be used as the recipient, which requires `CRecipient` to use something other than just the `scriptPubKey` as we cannot know the output script for a silent payment prior to transaction creation. `CTxDestination` seems like the obvious place to add a `SilentPaymentsDestination` as it is our internal representation of an address.
In order to still allow paying to arbitrary scriptPubKeys (e.g. for data carrier outputs, or the user hand crafted a raw transaction that they have given to `fundrawtransaction`), `CNoDestination` is changed to contain raw scripts.
Additionally, P2PK scripts are now interpreted as a new `PubKeyDestination` rather than `PKHash`. This results in some things that would have given an address for P2PK scripts to no longer do so. This is arguably more correct.
`ExtractDestination`'s behavior is slightly changed for the above. It now returns `true` for those destinations that have addresses, so P2PK scripts now result in `false`. Even though it returns false for `CNoDestination`, the script will now be included in that `CNoDestination`.
Builds on #28244
ACKs for top commit:
josibake:
ACK https://github.com/bitcoin/bitcoin/pull/28246/commits/ad0c469d98c51931b98b7fd937c6ac3eeaed024e
Tree-SHA512: ef3f8f3c7284779d9806c77c85b21caf910a79a1f7e7f1b51abcc0d7e074f14e00abf30f625a13075e41d94dad6202c10ddff462c0ee74c2ca4aab585b145a52
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At the end of coin selection reduce the fees by the difference between
the individual bump fee estimates and the collective bump fee estimate.
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When a transaction uses an unconfirmed input, preceding this commit it
would not consider the feerate of the parent transaction. Given a parent
transaction with a lower ancestor feerate, this resulted in the new
transaction's ancestor feerate undershooting the target feerate.
This commit changes how we calculate the effective value of unconfirmed UTXOs.
The effective value of unconfirmed UTXOs is decreased by the fee
necessary to bump its ancestry to the target feerate. This also impacts
the calculation of the waste metric: since the estimate for the current
fee is increased by the bump fees, unconfirmed UTXOs current fees appear less
favorable compared to their unchanged long term fees.
This has one caveat: if multiple UTXOs have overlapping ancestries, each
of their individual estimates will account for bumping all ancestors.
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If the user used a custom change address, it may not be detected as a
change output, resulting in an additional change output being added to
the bumped transaction. We can avoid this issue by allowing the user to
specify the position of the change output.
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Since the kernel library no longer depends on the system file, move it
to the common library instead in accordance to the diagram in
doc/design/libraries.md.
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Simple example:
1) User_1 sends 0.1 btc to user_2 on a low fee transaction.
2) After few hours, the tx is still in the mempool, user_2
is not interested anymore, so user_1 decides to cancel
it by sending coins back to himself.
3) User_1 has the bright idea of opening the explorer and
copy the change output address of the transaction. Then
call bumpfee providing such output (in the "outputs" arg).
Currently, this is not possible. The wallet fails with
"Unable to create transaction. Transaction must have at least
one recipient" error.
The error reason is that we discard the provided output from
the recipients list and set it inside the coin control
so the process adds it later (when the change is calculated).
But.. there is no later if the tx has no outputs.
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When doing the feerate check for bumped transactions that replace the
outputs, we need to consider that the size of the new outputs may be
different from the old outputs and calculate the minimum feerate accordingly.
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-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
Commits of previous years:
- 2021: f47dda2c58b5d8d623e0e7ff4e74bc352dfa83d7
- 2020: fa0074e2d82928016a43ca408717154a1c70a4db
- 2019: aaaaad6ac95b402fe18d019d67897ced6b316ee0
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2c07cfacd1745844a1d3c57f2e8617549b9815d7 gui: bumpfee signer support (Sjors Provoost)
7e02a3329797211ed5d35e5f5e7b919c099b78ba rpc: bumpfee signer support (Sjors Provoost)
304ece994504220c355577170409b9200941f2af rpc: document bools in FillPSBT() calls (Sjors Provoost)
Pull request description:
The `bumpfee` RPC call and GUI fee bump interface now work with an external signer.
ACKs for top commit:
achow101:
ACK 2c07cfacd1745844a1d3c57f2e8617549b9815d7
furszy:
code review ACK 2c07cfac
jarolrod:
tACK 2c07cfa
Tree-SHA512: 0c7b931f76fac67c9e33b9b935f29af6f69ac67a5ffcc586ed2f1676feac427735b1d971723b29ef332bb6fb5762949598ebbf728587e8f0ded95a9bfbb3e7a4
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1dc03dda05e9dce128e57f05bb7b1bb02b3cfb9e [doc] remove non-signaling mentions of BIP125 (glozow)
32024d40f03fbf47c64d814fa5f2c2a73ec14cb7 scripted-diff: remove mention of BIP125 from non-signaling var names (glozow)
Pull request description:
We have pretty thorough documentation of our RBF policy in doc/policy/mempool-replacements.md. It enumerates each rule with several sentences of rationale. Also, each rule pretty much has its own function (3 and 4 share one), with extensive comments. The doc states explicitly that our rules are similar but differ from BIP125, and contains a record of historical changes to RBF policy.
We should not use "BIP125" as synonymous with our RBF policy because:
- Our RBF policy is different from what is specified in BIP125, for example:
- the BIP does not mention our rule about the replacement feerate being higher (our Rule 6)
- the BIP uses minimum relay feerate for Rule 4, while we have used incremental relay feerate since #9380
- the "inherited signaling" question (CVE-2021-31876). Call it discrepancy, ambiguous wording, doc misinterpretation, or implementation details, I would recommend users refer to doc/policy/mempool-replacements.md
- the signaling policy is configurable, see #25353
- Our RBF policy may change further
- We have already marked BIP125 as only "partially implemented" in docs/bips.md since 1fd49eb498c75a1d14193bb736d195a3dc75ae12
- See comments from people who are not me recently:
- https://github.com/bitcoin/bitcoin/pull/25038#discussion_r909507429
- https://github.com/bitcoin/bitcoin/pull/25575#issuecomment-1179519204
This PR removes all non-signaling mentions of BIP125 (if people feel strongly, we can remove all mentions of BIP125 period). It may be useful to refer to the concept of "tx opts in to RBF if it has at least one nSequence less than (0xffffffff - 1)" as "BIP125 signaling" because:
- It is succint.
- It has already been widely marketed as BIP125 opt-in signaling.
- Our API uses it when referring to signaling (e.g. getmempoolentry["bip125-replaceable"] and wallet error message "not BIP 125 replaceable"). Changing those is more invasive.
- If/when we have other ways to signal in the future, we can disambiguate them this way. See #25038 which proposes another way of signaling, and where I pulled these commits from.
Alternatives:
- Changing our policy to match BIP125. This doesn't make sense as, for example, we would have to remove the requirement that a replacement tx has a higher feerate (Rule 6).
- Changing BIP125 to match what we have. This doesn't make sense as it would be a significant change to a BIP years after it was finalized and already used as a spec to implement RBF in other places.
- Document our policy as a new BIP and give it a number. This might make sense if we don't expect things to change a lot, and can be done as a next step.
ACKs for top commit:
darosior:
ACK 1dc03dda05e9dce128e57f05bb7b1bb02b3cfb9e
ariard:
ACK 1dc03dda
t-bast:
ACK https://github.com/bitcoin/bitcoin/commit/1dc03dda05e9dce128e57f05bb7b1bb02b3cfb9e
Tree-SHA512: a3adc2039ec5785892d230ec442e50f47f7062717392728152bbbe27ce1c564141f85253143f53cb44e1331cf47476d74f5d2f4b3cd873fc3433d7a0aa783e02
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In some cases, notably psbtbumpfee, it is okay, and potentially desired,
to be able to bump the fee of a transaction which contains external
inputs.
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The max size calculation expects some inputs to have empty scriptSigs
and witnesses, so we need to clear these before doing that calculation.
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When bumping the fee of a transaction containing external inputs,
determine the weights of those inputs. Because signatures can have a
variable size, the script is executed with a special SignatureChecker
which will compute the total weight of the signatures in the transaction
and the weight if they were all maximum size signatures. This allows us
to compute the maximum weight of the input for use during coin
selection.
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Instead of calculating the fee by using what is stored in the wallet,
calculate it by looking up the UTXOs.
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reducing duplicated operations
bc886fcb31e1afa7bbf7b86bfd93e51da7076ccf Change mapWallet to be a std::unordered_map (Andrew Chow)
272356024db978c92112167f8d8e4cc62adad63d Change getWalletTxs to return a set instead of a vector (Andrew Chow)
97532867cf51db3e941231fbdc60f9f4fa0012a0 Change mapTxSpends to be a std::unordered_multimap (Andrew Chow)
1f798fe85ba952273005f68e36ed48cfc36f4c9d wallet: Cache SigningProviders (Andrew Chow)
8a105ecd1aeff15f84c3883e2762bf71ad59d920 wallet: Use CalculateMaximumSignedInputSize to indicate solvability (Andrew Chow)
Pull request description:
While running my coin selection simulations, I noticed that towards the end of the simulation, the wallet would become slow to make new transactions. The wallet generally performs much more slowly when there are a large number of transactions and/or a large number of keys. The improvements here are focused on wallets with a large number of transactions as that is what the simulations produce.
Most of the slowdown I observed was due to `DescriptorScriptPubKeyMan::GetSigningProvider` re-deriving keys every time it is called. To avoid this, it will now cache the `SigningProvider` produced so that repeatedly fetching the `SigningProvider` for the same script will not result in the same key being derived over and over. This has a side effect of making the function non-const, which makes a lot of other functions non-const as well. This helps with wallets with lots of address reuse (as my coin selection simulations are), but not if addresses are not reused as keys will end up needing to be derived the first time `GetSigningProvider` is called for a script.
The `GetSigningProvider` problem was also exacerbated by unnecessarily fetching a `SigningProvider` for the same script multiple times. A `SigningProvider` is retrieved to be used inside of `IsSolvable`. A few lines later, we use `GetTxSpendSize` which fetches a `SigningProvider` and then calls `CalculateMaximumSignedInputSize`. We can avoid a second call to `GetSigningProvider` by using `CalculateMaximumSignedInputSize` directly with the `SigningProvider` already retrieved for `IsSolvable`.
There is an additional slowdown where `ProduceSignature` with a dummy signer is called twice for each output. The first time is `IsSolvable` checks that `ProduceSignature` succeeds, thereby informing whether we have solving data. The second is `CalculateMaximumSignedInputSize` which returns -1 if `ProduceSignature` fails, and returns the input size otherwise. We can reduce this to one call of `ProduceSignature` by using `CalculateMaximumSignedInputSize`'s result to set `solvable`.
Lastly, a lot of time is spent looking in `mapWallet` and `mapTxSpends` to determine whether an output is already spent. The performance of these lookups is slightly improved by changing those maps to use `std::unordered_map` and `std::unordered_multimap` respectively.
ACKs for top commit:
Xekyo:
ACK bc886fcb31e1afa7bbf7b86bfd93e51da7076ccf
furszy:
diff re-reACK bc886fcb
Tree-SHA512: fd710fe1224ef67d2bb83d6ac9e7428d9f76a67f14085915f9d80e1a492d2c51cb912edfcaad1db11c2edf8d2d97eb7ddd95bfb364587fb1f143490fd72c9ec1
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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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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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-BEGIN VERIFY SCRIPT-
sed -i 's/fAllowOtherInputs/m_allow_other_inputs/g' -- $(git grep --files-with-matches 'fAllowOtherInputs')
-END VERIFY SCRIPT-
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-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
Commits of previous years:
* 2020: fa0074e2d82928016a43ca408717154a1c70a4db
* 2019: aaaaad6ac95b402fe18d019d67897ced6b316ee0
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Fixed in commit 9522b53a91f28032c34b94662d50b000534708ce
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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.
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will end up being too large after signing
48a0319babb409cf486a9eb7c776810f70b06cb2 Add a test that selects too large if BnB is used (Andrew Chow)
3e69939b78d0143d514c5d9b6c6a9844c9bb901c Fail if maximum weight is too large (Andrew Chow)
51e2cd322cfc7271af309e3a2243448a2ec0cad4 Have CalculateMaximumSignedTxSize also compute tx weight (Andrew Chow)
Pull request description:
Currently the `Transaction too large` is calculated on the transaction that is returned from `CreateTransaction`. This does not make sense for when `CreateTransaction` is being used for `fundrawtransaction` as no signing occurs so the final returned transaction is missing signatures. Thus users may successfully fund a transaction but fail to broadcast it after it has been fully signed.
So instead we should figure out whether the transaction we are funding will be too large after it is signed. We can do this by having `CalculateMaximumSignedTxSize` also return the transaction weight and then comparing that weight against the maximum weight.
ACKs for top commit:
instagibbs:
ACK https://github.com/bitcoin/bitcoin/pull/20536/commits/48a0319babb409cf486a9eb7c776810f70b06cb2
meshcollider:
utACK 48a0319babb409cf486a9eb7c776810f70b06cb2
Xekyo:
utACK with nits 48a0319babb409cf486a9eb7c776810f70b06cb2
Tree-SHA512: 1700c60b07f67e2d5c591c5ccd131ac9f1861fab3def961c3c9c4b3281ec1063fe8e4f0f7f1038cac72692340856406bcee8fb45c8104d2ad34357a0ec878ac7
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const
31b136e5802e1b1e5f9a9589736afe0652f34da2 Don't declare de facto const reference variables as non-const (practicalswift)
1c65c075ee4c7f98d9c1fac5ed7576b96374d4e9 Don't declare de facto const member functions as non-const (practicalswift)
Pull request description:
_Meta: This is the second and final part of the `const` refactoring series (part one: #20581). **I promise: no more refactoring PRs from me in a while! :)** I'll now go back to focusing on fuzzing/hardening!_
Changes in this PR:
* Don't declare de facto const member functions as non-const
* Don't declare de facto const reference variables as non-const
Awards for finding candidates for the above changes go to:
* `clang-tidy`'s [`readability-make-member-function-const`](https://clang.llvm.org/extra/clang-tidy/checks/readability-make-member-function-const.html) check ([list of `clang-tidy` checks](https://clang.llvm.org/extra/clang-tidy/checks/list.html))
* `cppcheck`'s `constVariable` check ([list of `cppcheck` checks](https://sourceforge.net/p/cppcheck/wiki/ListOfChecks/))
See #18920 for instructions on how to analyse Bitcoin Core using Clang Static Analysis, `clang-tidy` and `cppcheck`.
ACKs for top commit:
ajtowns:
ACK 31b136e5802e1b1e5f9a9589736afe0652f34da2
jonatack:
ACK 31b136e5802e1b1e5f9a9589736afe0652f34da2
theStack:
ACK 31b136e5802e1b1e5f9a9589736afe0652f34da2 :snowflake:
Tree-SHA512: f58f8f00744219426874379e9f3e9331132b9b48e954d24f3a85cbb858fdcc98009ed42ef7e7b4619ae8af9fc240a6d8bfc1c438db2e97b0ecd722a80dcfeffe
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to const instead of ref to non-const
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