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Replace witness-stripped wallet transactions with full transactions;
this can happen when upgrading from a pre-segwit wallet to a segwit-
aware wallet.
Github-Pull: #11225
Rebased-From: d01a9682b126a5f83c7311e652e6e62f2c2e1d20
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CWallet::MarkConflicted may acquire the cs_main lock after
CWalletDB::LoadWallet acquires the cs_wallet lock during wallet initialization.
(CWalletDB::LoadWallet calls ReadKeyValue which calls CWallet::LoadToWallet
which calls CWallet::MarkConflicted). This is the opposite order that cs_main
and cs_wallet locks are acquired in the rest of the code, and so leads to
POTENTIAL DEADLOCK DETECTED errors if bitcoin is built with -DDEBUG_LOCKORDER.
This commit changes CWallet::LoadWallet (which calls CWalletDB::LoadWallet) to
acquire both locks in the standard order. It also fixes some tests that were
acquiring wallet and main locks out of order and failed with the new locking in
CWallet::LoadWallet.
Error was reported by Luke Dashjr <luke-jr@utopios.org> in
https://botbot.me/freenode/bitcoin-core-dev/msg/90244330/
Github-Pull: #11126
Rebased-From: de9a1db2ed14e0c75ffd82dc031f7ad30c56d195
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Github-Pull: #11145
Rebased-From: 6af49dddeaeec7f134e86d6f8cf839c55870b7ab
Tree-SHA512: 7245c6f7ed81cf3913e351ff1df7f74f4be7abe0ae8be312e4862c9875e2943b0b11136bc9999191cdf03468fdac5d41e294bb59b657605c22643b102e37c070
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Github-Pull: #11145
Rebased-From: a54c7b94f8825e9b52fec9066fe7c1d5b6f53482
Tree-SHA512: d9abb9794edbf7e52450c63d183a4f28e9a3621a670b7f21af92407be096363b44a356818f2abbea11c168d123c04852bd0b60f1cd9d423aefbf4ae831f8567d
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Github-Pull: #11044
Rebased-From: 67ceff4039ae038ae16f06128f868a2e8395b59a
Tree-SHA512: 850c5b1010c84e164edf24a83ae36e46309b2eb7a67854bad509265ed590ba67d5f743a8416590da6ecca85fe4bda7f20e8c3152e422638eb7898db11a416af7
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Unused function. Mostly reverts c25d90f125d69e33688288eff439eb7be75012e9
c25d90f... was merged as part of PR 11022 but is not required.
Github-Pull: #11044
Rebased-From: 1221f60c94971c0f66abe5fdf086087a173bb0ac
Tree-SHA512: da229b128bee5f124c009a1a2adfb4fa879366c81789824c426c9ce5209c835888a7e6cfeb1724551320a98cd08406a605372f84487a0d289cd6e02f9ac3ea21
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They were temporary additions to ease the transition.
-BEGIN VERIFY SCRIPT-
find src/ -name "*.cpp" ! -wholename "src/util.h" ! -wholename "src/util.cpp" | xargs perl -i -pe 's/(?<!\.)(ParseParameters|ReadConfigFile|IsArgSet|(Soft|Force)?(Get|Set)(|Bool|)Arg(s)?)\(/gArgs.\1(/g'
-END VERIFY SCRIPT-
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pointer literal instead of the macro NULL
90d4d89 scripted-diff: Use the C++11 keyword nullptr to denote the pointer literal instead of the macro NULL (practicalswift)
Pull request description:
Since C++11 the macro `NULL` may be:
* an integer literal with value zero, or
* a prvalue of type `std::nullptr_t`
By using the C++11 keyword `nullptr` we are guaranteed a prvalue of type `std::nullptr_t`.
For a more thorough discussion, see "A name for the null pointer: nullptr" (Sutter &
Stroustrup), http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf
With this patch applied there are no `NULL` macro usages left in the repo:
```
$ git grep NULL -- "*.cpp" "*.h" | egrep -v '(/univalue/|/secp256k1/|/leveldb/|_NULL|NULLDUMMY|torcontrol.*NULL|NULL cert)' | wc -l
0
```
The road towards `nullptr` (C++11) is split into two PRs:
* `NULL` → `nullptr` is handled in PR #10483 (scripted, this PR)
* `0` → `nullptr` is handled in PR #10645 (manual)
Tree-SHA512: 3c395d66f2ad724a8e6fed74b93634de8bfc0c0eafac94e64e5194c939499fefd6e68f047de3083ad0b4eff37df9a8a3a76349aa17d55eabbd8e0412f140a297
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d34957e [wallet] [tests] Add keypool topup functional test (Jonas Schnelli)
095142d [wallet] keypool mark-used and topup (John Newbery)
c25d90f [wallet] Add HasUnusedKeys() helper (John Newbery)
f2123e3 [wallet] Cache keyid -> keypool id mappings (John Newbery)
83f1ec3 [wallet] Don't hold cs_LastBlockFile while calling setBestChain (John Newbery)
2376bfc [wallet] [moveonly] Move LoadKeyPool to cpp (Matt Corallo)
cab8557 [wallet] [moveonly] Move CAffectedKeysVisitor (Jonas Schnelli)
Pull request description:
This PR contains the first part of #10882 :
- if a key from the keypool is used, mark all keys up to that key as used, and then try to top up the keypool
- top up the keypool on startup
Notably, it does not stop the node or prevent the best block from advancing if the keypool drops below a threshold (which means that transactions may be missed and funds lost if restoring from an old HD wallet backup).
Tree-SHA512: ac681fefeaf7ec2aab2fa1da93d12273ea80bd05eb48d7b3b551ea6e5d975dd97ba7de52b7fba52993823280ac4079cc36cf78a27dac708107ebf8fb6326142b
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This commit adds basic keypool mark-used and topup:
- try to topup the keypool on initial load
- if a key in the keypool is used, mark all keys before that as used and
try to top up
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instead of the macro NULL
-BEGIN VERIFY SCRIPT-
sed -i 's/\<NULL\>/nullptr/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h src/qt/*/*.cpp src/qt/*/*.h src/wallet/*/*.cpp src/wallet/*/*.h src/support/allocators/*.h
sed -i 's/Prefer nullptr, otherwise SAFECOOKIE./Prefer NULL, otherwise SAFECOOKIE./g' src/torcontrol.cpp
sed -i 's/tor: Using nullptr authentication/tor: Using NULL authentication/g' src/torcontrol.cpp
sed -i 's/METHODS=nullptr/METHODS=NULL/g' src/test/torcontrol_tests.cpp src/torcontrol.cpp
sed -i 's/nullptr certificates/NULL certificates/g' src/qt/paymentserver.cpp
sed -i 's/"nullptr"/"NULL"/g' src/torcontrol.cpp src/test/torcontrol_tests.cpp
-END VERIFY SCRIPT-
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recipients
49d903e Eliminate fee overpaying edge case when subtracting fee from recipients (Alex Morcos)
Pull request description:
I'm not sure if this is the cause of the issue in #10034 , but this was a known edge case. I just didn't realize how simple the fix is.
Could use a couple more eyes to make sure nothing silly can go wrong here, but if we all agree it's this simple, we can add this as another 0.15 bug fix.
Tree-SHA512: db1dd1e83363a3c231267b626d3a388893ee70ba1972056fe2c339c5c9e4fbfd30f7fe837c30cc7be884d454797fd4c619b9d631a8d5eeb55cdb07402a83acb3
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constants.
095b917 Avoid using sizes on non-fixed-width types to derive protocol constants. (Gregory Maxwell)
Pull request description:
Thanks to awemany for pointing this out.
This replaces #10172 which appears to be abandoned, but uses the constants as requested on that PR.
Tree-SHA512: 032c0d75b3aaf807a7d0c7fb8ff5515acc45ad58bd00fe81413f900fe02bad900534a970403b9bb568e132c9eddea6043e958daf625e8acc84375bd41ee2e2ef
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"condition".
5a6671c Fix typo: "conditon" → "condition" (practicalswift)
35aff43 Remove unused variable int64_t nEnd (practicalswift)
Pull request description:
* Remove unused variable `int64_t nEnd`. Last use of `nEnd` removed in commit 1fc8c3d.
* Fix typo: "conditon" → "condition". Typo introduced in commit 439c4e8.
Tree-SHA512: 61624e6f70828c485fe46dbe00df76f1a07b7a5849d41bf7d279323b687420e60e9b85192f611a37211f17f3dea8eb3f6f6dc65d90c92e5516404fd81d37785a
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f4d00e6 Add a discard_rate (Alex Morcos)
b138585 Remove factor of 3 from definition of dust. (Alex Morcos)
Pull request description:
The definition of dust is redefined to remove the factor of 3.
Dust is redefined to be the value of an output such that it would
cost that value in fees to (create and) spend the output at the dust
relay rate. The previous definition was that it would cost 1/3 of the
value. The default dust relay rate is correspondingly increased to
3000 sat/kB so the actual default dust output value of 546 satoshis
for a non-segwit output remains unchanged. This commit is a refactor
only unless a dustrelayfee is passed on the commandline in which case
that number now needs to be increased by a factor of 3 to get the same
behavior. -dustrelayfee is a hidden command line option.
Note: It's not exactly a refactor due to edge case changes in rounding
as evidenced by the required change to the unit test.
A discard_rate is added which defaults to 10,000 sat/kB
Any change output which would be dust at the discard_rate you are
willing to discard completely and add to fee (as well as continuing to
pay the fee that would have been needed for creating the change)
This would be a nice addition for 0.15 and I think will remain useful for 0.16 with the new coin selection algorithms in discussion, but its not crucial.
It does add translation strings, but we could (should?) avoid that by hiding the option
Tree-SHA512: 5b6f655354d0ab6b8b6cac1e8d1fe3136d10beb15c6d948fb15bfb105155a9d03684c6240624039b3eed6428b7e60e54216cc8b2f90c4600701e39f646284a9b
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fundrawtransaction allows users to add a change output and then
not have it removed from keypool. While it would be nice to have
users follow the normal CreateTransaction/CommitTransaction process
we use internally, there isnt much benefit in exposing this option,
especially with HD wallets, while there is ample room for users to
misunderstand or misuse this option.
This could be particularly nasty in some use-cases (especially
pre-HD-split) - eg a user might fundrawtransaction, then call
getnewaddress, hand out the address for someone to pay them, then
sendrawtransaction. This may result in the user thinking they have
received payment, even though it was really just their own change!
This could obviously result in needless key-reuse.
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Last use of nEnd removed in commit 1fc8c3de0cff2971cc1f9903bfc3d03a982f2fab.
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Any change output which would be dust at the discard_rate you are
willing to discard completely and add to fee (as well as continuing to
pay the fee that would have been needed for creating the change).
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Thanks to awemany for pointing this out.
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This fixes an issue where you could reserve a keypool entry, then
top up the keypool, writing out a new key at the given index, then
return they key from the pool. This isnt likely to cause issues,
but given there is no reason to ever re-use keypool indexes
(they're 64 bits...), best to avoid it alltogether.
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increase keypool size.
b0e8e2d Print one log message per keypool top-up, not one per key. (Gregory Maxwell)
41dc163 Increase wallet default keypool size to 1000. (Gregory Maxwell)
30d8f3a Pushdown walletdb though CWallet::AddKeyPubKey to avoid flushes. (Gregory Maxwell)
3a53f19 Pushdown walletdb object through GenerateNewKey/DeriveNewChildKey. (Gregory Maxwell)
Pull request description:
This carries the walletdb object from top-up through GenerateNewKey/DeriveNewChildKey/CWallet::AddKeyPubKey, which allows us to avoid the flush on destruction until the top up finishes instead of flushing the wallet for every key.
This speeds up adding keys by well over 10x on my laptop (actually something like 17x), I wouldn't be surprised if it were an even bigger speedup on spinning rust.
Then it increases the keypool size to 1000. I would have preferred to use 10,000 but in the case where the user creates a new wallet and then turns on encryption it seems kind of dumb to have >400KB of marked-used born unencrypted keys just laying around.
(Thanks to Matt for cluesticking me on how to bypass the crypter spaghetti)
Tree-SHA512: 868303de38fce4c3f67d7fe133f765f15435c94b39d252d7450b5fee5c607a3cc2f5e531861a69d8c8877bf130e0ff4c539f97500a6bc0ff6d67e4a42c9385c7
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This prevents the wallet from being flushed between each and
every key during top-up. This results in a >10x speed-up
for the top-up.
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11590d3 Properly bound check conf_target in wallet RPC calls (Alex Morcos)
fd29d3d Remove checking of mempool min fee from estimateSmartFee. (Alex Morcos)
2fffaa9 Make QT fee displays use GetMinimumFee instead of estimateSmartFee (Alex Morcos)
1983ca6 Use CoinControl to pass custom fee setting from QT. (Alex Morcos)
03ee701 Refactor to use CoinControl in GetMinimumFee and FeeBumper (Alex Morcos)
ecd81df Make CoinControl a required argument to CreateTransaction (Alex Morcos)
Pull request description:
This builds on #10589 (first 5 commits from that PR, last 5 commits are new)
The first couple commits refactor to use the CCoinControl class to pass fee calculation parameters around.
This allows for fixing the buggy interaction in QT between the global payTxFee which can be modified by the RPC call settxfee or temporarily modified by the QT custom fee settings. Before these changes the GUI could sometimes send a transaction with a recently set payTxFee and not respect the settings displayed in the GUI. After these changes, using the GUI does not involve the global transaction confirm target or payTxFee.
The prospective fee displays in the smart fee slider and the coin control dialog are changed to use the fee calculation from GetMinimumFee, this simplifies the code and makes them slightly more correct in edge cases.
Maxing the fee calculation with the mempool min fee is move from estimateSmartFee to GetMinimumFee.
This fixes a long standing bug, and should be tagged for 0.15 as it is holding up finalizing the estimatesmartfee RPC API before release.
Tree-SHA512: 4d36a1bd5934aa62f3806d380fcafbef73e9fe5bdf190fc5259a3e3a13349e5ce796e50e7068c46dc630ccf56d061bce5804f0bfe2e082bb01ca725b63efd4c1
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4c3b538 [logs] fix zapwallettxes startup logs (John Newbery)
e7a2181 [wallet] fix zapwallettxes interaction with persistent mempool (John Newbery)
ff7365e [tests] fix flake8 warnings in zapwallettxes.py (John Newbery)
Pull request description:
zapwallettxes previously did not interact well with persistent mempool.
zapwallettxes would cause wallet transactions to be zapped, but they
would then be reloaded from the mempool on startup. This commit softsets
persistmempool to false if zapwallettxes is enabled so transactions are
actually zapped.
This PR also fixes the zapwallettxes.py functional test, which did not properly test this feature. The test line:
```py
assert_raises(JSONRPCException, self.nodes[0].gettransaction, [txid3])
#there must be a expection because the unconfirmed wallettx0 must be gone by now
```
is not actually testing the presence of the transaction since the RPC is being called incorrectly (with an array instead of a string). The `assert_raises()` passes since an assert is raised, but it's not the one the test writer had in mind!
Fixes #9710 .
Tree-SHA512: e3236efc7a2fd2b3bf1d9e2e8a7726d470c57f5d95cf41b7bde264edc8817bd36a6f3feff52f8de8db0ef64b7247c88b24e7ff7cefaa706cba86fe4e2135a508
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This is needed but not sufficient for batching the wallet flushing
when topping up the keypool.
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d40a72ccb Clarify *(--.end()) iterator semantics in CWallet::TopUpKeyPool (Matt Corallo)
28301b978 Meet code style on lines changed in the previous commit (Matt Corallo)
4a3fc3562 Track keypool entries as internal vs external in memory (Matt Corallo)
Pull request description:
This is an alternative version of #10184. As @jonasschnelli points out there, the performance regressions are pretty minimal, but given that this is a pretty simple, mechanical change, its probably worth doing.
Tree-SHA512: e83f9ebf2998f8164d1b2eebe5e6dcdeadea8c30b7612861f830758c08bf4093cd6a67b3bcfa9cfcb139e5e0b106fc8898a975fc69f334981aefc756568ab613
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zapwallettxes previously did not interact well with persistent mempool.
zapwallettxes would cause wallet transactions to be zapped, but they
would then be reloaded from the mempool on startup. This commit softsets
persistmempool to false if zapwallettxes is enabled so transactions are
actually zapped.
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This check has been moved to the wallet logic GetMinimumFee. The rpc call to
estimatesmartfee will now no longer return a result maxed with the mempool min
fee, but automated fee calculations from the wallet will produce the same result
as before and coincontrol and sendcoins dialogs in the GUI will correctly
display the right prospective fee.
changes to policy/fees.cpp include a big whitespace indentation change.
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Remove helper function (CalculateEstimateType) for determining whether
estimates should be conservative or not, now that this is only called
once from GetMinimumFee and incorporate the logic directly there.
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Improve parameter precedence in coin_control
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This resolves a super minor performance regressions in several
keypool-handling functions
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Due to the iterative process of selecting new coins in each loop a new fee is
calculated that needs to be met each time. In the typical case if the most
recent iteration of the loop produced a much smaller transaction and we have now
gathered inputs with too many fees, we can just reduce the change. However in
the case where there is no change output, it is possible to end up with a
transaction which drastically overpays fees. This commit addresses that case,
by creating a change output if the overpayment is large enough to support it,
this is accomplished by rerunning the transaction creation loop without
selecting new coins.
Thanks to instagibbs for working on this as well
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This does not affect behavior but allows us to have access to an output to
scriptChange even if we currently do not have change in the transaction.
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f135923 Add RPC options for RBF, confirmation target, and conservative fee estimation. (Alex Morcos)
f0bf33d Change default fee estimation mode. (Alex Morcos)
e0738e3 remove default argument from estimateSmartFee (Alex Morcos)
d507c30 Introduce a fee estimate mode. (Alex Morcos)
cfaef69 remove default argument from GetMinimumFee (Alex Morcos)
Tree-SHA512: 49c3a49a6893790a7e8b4e93a48f123dd5307af26c2017800683b76b4df8fc904ba73402917878676242c7440e3e04288d0c1ff3c2c907418724efc03cedab50
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