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8674e74 Provide relevant error message if datadir is not writable. (murrayn)
Pull request description:
If the --datadir exists, but is not writable, the current error message on startup is 'Cannot obtain a lock on data directory foo. Bitcoin Core is probably already running.' This is misleading.
I believe this PR addresses #11668, although the issue is not Windows-specific.
Tree-SHA512: 10cbbaea433072aee4fb3e8938a72073c7a5c841f7a7685c9e12549c322b2925c7d34bac254ac33021b23132bfc352c058712bc9542298cf86f8fd9757f528b2
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5fbf7c4 fix nits: variable naming, typos (Martin Ankerl)
1e0ee90 Use best-fit strategy in Arena, now O(log(n)) instead O(n) (Martin Ankerl)
Pull request description:
This replaces the first-fit algorithm used in the Arena with a best-fit. According to "Dynamic Storage Allocation: A Survey and Critical Review", Wilson et. al. 1995, http://www.scs.stanford.edu/14wi-cs140/sched/readings/wilson.pdf, both startegies work well in practice.
The advantage of using best-fit is that we can switch the O(n) allocation to O(log(n)). Additionally, some previously O(log(n)) operations are now O(1) operations by using hash maps. The end effect is that the benchmark runs about 2.5 times faster on my machine:
# Benchmark, evals, iterations, total, min, max, median
old: BenchLockedPool, 5, 530, 5.25749, 0.00196938, 0.00199755, 0.00198172
new: BenchLockedPool, 5, 1300, 5.11313, 0.000781493, 0.000793314, 0.00078606
I've run all unit tests and benchmarks, and increased the number of iterations so that BenchLockedPool takes about 5 seconds again.
Tree-SHA512: 6551e384671f93f10c60df530a29a1954bd265cc305411f665a8756525e5afe2873a8032c797d00b6e8c07e16d9827465d0b662875433147381474a44119ccce
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bcab47b use base58 map instead of strchr() (Kevin Pan)
Pull request description:
Use array map instead of find string position.
Test code snippet:
```cpp
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string>
int main(int argc, const char * argv[]) {
static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
static const int8_t mapBase58[] = {
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8,-1,-1,-1,-1,-1,-1,
-1, 9,10,11,12,13,14,15, 16,-1,17,18,19,20,21,-1,
22,23,24,25,26,27,28,29, 30,31,32,-1,-1,-1,-1,-1,
-1,33,34,35,36,37,38,39, 40,41,42,43,-1,44,45,46,
47,48,49,50,51,52,53,54, 55,56,57,-1,-1,-1,-1,-1,
};
const std::string b58Str(pszBase58);
for (size_t i = 0; i < b58Str.length(); i++) {
const char *ch = strchr(pszBase58, b58Str[i]);
printf("%d - %d\n", ch - pszBase58, mapBase58[(uint8_t)b58Str[i]]);
assert(ch - pszBase58 == mapBase58[(uint8_t)b58Str[i]]);
}
assert(mapBase58['1'] == 0);
assert(mapBase58['z'] == 57);
/** All alphanumeric characters except for "0", "I", "O", and "l" */
assert(mapBase58['0'] == -1);
assert(mapBase58['I'] == -1);
assert(mapBase58['O'] == -1);
assert(mapBase58['l'] == -1);
return 0;
}
```
Tree-SHA512: c28376dc8c92cc4a770c3282db4a568ae5f5a08e27f714183eb3d8755421dc7aa11d7b45afa55e70eba46565f378062aac53dc8f150eeeab12ce7b5db5af89c5
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57dae3fc4a Replace boost::call_once with std::call_once (donaloconnor)
Pull request description:
This replaces boost::call_once with the C++11 std::call_once. The aim is to remove unnecessary boost code.
Tested on Windows/MSVC
Tree-SHA512: 5e98ea6e5052fffeaf29f845f4ecf1078b38cbb27671c5b7b6167e7f074a391e10020445107979d9e220d029bc9464fb8b2ccb0bea664eeb7af59a789c988b10
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d27327c79a Fix typos (practicalswift)
Pull request description:
Fix typos.
Tree-SHA512: f0d13d991acdec0d3adc2f091cd00ccbdda6da3c7623dfb4cbf698bac9eb6b3d88c8ad121256a96cb130f8e97bf54892f3616da0e8dc833dcf713ca7949e2801
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b7fbcc5 Qt: Warn users about invalid-BIP21 URI bitcoin:// (Alexey Ivanov)
Pull request description:
This change affects only Qt5 users, since Qt4 QUrl don't forces lower case for urls. Also bitcoin-qt builds against Qt4 on linux.
PR for #11645
Tree-SHA512: 6b8cb18b29dbd2754e190a662ed67274a7f0decc6adb00b7e1af107d5f8ea2845b668cf28d6ccf2f1d15e8ef212f5a76910810634a4c15e7fabd1dd2072e7232
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4d9b4256d8 Fix typos (Dimitris Apostolou)
Pull request description:
Unfortunately I messed up my repo while trying to squash #12593 so I created a PR with just the correct fixes.
Tree-SHA512: 295d77b51bd2a9381f1802c263de7ffb2edd670d9647391e32f9a414705b3c8b483bb0e469a9b85ab6a70919ea13397fa8dfda2aea7a398b64b187f178fe6a06
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Switch to unsigned encoding, which is backwards compatible and avoids MSVC
error reported https://github.com/bitcoin/bitcoin/issues/12732
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not running
8b2ef27 tests: Test connecting with non-existing RPC cookie file (practicalswift)
a2b2476 tests: Test connecting to a non-existing server (practicalswift)
de04fde bitcoin-cli: Provide a better error message when bitcoind is not running (practicalswift)
Pull request description:
Provide a better `bitcoin-cli` error message when `bitcoind` is not running.
Before this patch:
```
$ killall -9 bitcoind
$ bitcoin-cli -testnet echo 'hello world'
error: Could not locate RPC credentials. No authentication cookie could be found, and RPC password is not set. See -rpcpassword and -stdinrpcpass. Configuration file: (/root/.bitcoin/bitcoin.conf)
```
After this patch:
```
$ killall -9 bitcoind
$ bitcoin-cli -testnet echo 'hello world'
error: Could not connect to the server 127.0.0.1:18332
Make sure the bitcoind server is running and that you are connecting to the correct RPC port.
```
Tree-SHA512: bb16e1a9a1ac110ee202c3cb99b5d7c5c1e5487a17e6cd101e12dc69e9525c14dc71f37b128c26ad615369a57547f15d0f1e29b207c1b2f2ee4b4ba7105f3433
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d843db7 Qt: remove "new" button during receive-mode in addressbook (Jonas Schnelli)
Pull request description:
There are currently two ways how to generate new receiving addresses in the GUI (which leads to code duplication or required refactoring, see #12520).
Since the address-book is probably something that should be removed in the long run, suppressing the new-button in receive-mode could be a first step in deprecating the address book.
With this PR, users can still edit existing receiving address book entries and they can still create new sending address book entries.
Tree-SHA512: abe8d1b44bc3e1b53826ccf9d2b3f764264337758d95ca1fe1ef1bac72d47608cf454055fce3720e06634f0a5841a752ce643b4505b47d6e322b6fc71296e961
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e5468a19d1 Remove unreachable help conditions (lutangar)
Pull request description:
These conditions on `request.fHelp`, which appears in the body of the following functions are never reached:
* `walletpassphrase`
* `walletpassphrasechange`
* `encryptwallet`
```
...
if (request.fHelp || request.params.size() != 0) {
throw std::runtime_error("");
}
...
if (request.fHelp)
return true;
...
```
The first condition would throw if `request.fHelp` evaluates to `true`.
Tree-SHA512: 1aa41ed233c6bebae27151ab5cc67144d2a408335a3acef3c103e144d6343685f360b1146e14bc8dc1d53d00fcfc6ff1ab6a0eeb0805191172a23b306ab50b79
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499d95e27 Add static_assert to prevent VARINT(<signed value>) (Russell Yanofsky)
Pull request description:
Using VARINT with signed types is dangerous because negative values will appear to serialize correctly, but then deserialize as positive values mod 128.
This commit changes the VARINT macro to trigger a compile error by default if called with an signed value, and it updates existing broken uses of VARINT to pass a special flag that lets them keep working with no changes in behavior.
There is some discussion about this issue here: https://github.com/bitcoin/bitcoin/pull/9693#issuecomment-278701473. I think another good change along these lines would be to make `GetSizeOfVarInt` and `WriteVarInt` throw exceptions if they are passed numbers less than 0 to serialize. But unlike this change, that would be a change in runtime behavior, and need more consideration.
Tree-SHA512: 082c65598cfac6dc1da042bdb47dbc9d5d789fc849fe52921cc238578588f4e5ff976c8b4b2ce42cb75290eb14f3b42ea76e26202c223c5b2aa63ef45c2ea3cc
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4c317d89e Document RPC method aliasing (Russell Yanofsky)
Pull request description:
Suggested by @Sjors in https://github.com/bitcoin/bitcoin/pull/11536#issuecomment-372820660
Tree-SHA512: 7bf16238e41b6c6c078e9103d8eac2ac76739a2c16b4f964be49bfde1f20f31a1fb30badf1faaa6ddc301a74f0d785d19567069b50de78c502144479143cb38c
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fab8a6f60 wallet: Change output type globals to members (MarcoFalke)
Pull request description:
Output type is used by the wallet when generating addresses or transactions with change, thus it should be a member of `CWallet`.
Moreover, in light of multiwallet, it makes sense to prepare for per-wallet attributes instead of for-all-wallets globals.
Tree-SHA512: 4fa397cd82522e5bacf4870160a2a0f5e1f2dc046e4b9e2514dee18b187a0e1724d036315f77fa48e48f85533021d5e5525d798160a92d389d75512f3f9e1405
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8ae413235 Remove redundant checks for MSG_* from configure.ac (Vasil Dimov)
71129e026 Do not check for main() in libminiupnpc (Vasil Dimov)
8c632f73c ax_boost_{chrono,unit_test_framework}.m4: take changes from upstream (Vasil Dimov)
Pull request description:
Tree-SHA512: a99ef98c0b94f892eadeda24b3d55c25bedf225b98c6e4178cf6c2d886b44d43e9f75414d0b37db9ac261cec2350666e5e64fab9c104249dd34ff485c51663cb
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7ef46d063a Remove redundant includes. Conform to header include guidelines. (practicalswift)
Pull request description:
From the header include guidelines ([developer-notes.md](https://github.com/bitcoin/bitcoin/blob/master/doc/developer-notes.md#source-code-organization)):
> "One exception is that a `.cpp` file does not need to re-include the includes already included in its corresponding `.h` file."
Covered in this PR:
* `rpc/util.h` includes `pubkey.h` + `utilstrencodings.h`. `rpc/util.cpp` includes `rpc/util.h`.
* `util.h` includes `fs.h`. `util.cpp` includes `util.h`.
Tree-SHA512: a38d9ecefd8165ad151c1ffde52cfbac968526c49db2080988bf6e6a3daa2ebeceb34d08f817e275edf7c650bf3155de01369bfb352522f8e0ae136b2289b194
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172f5fa738 Support deserializing into temporaries (Pieter Wuille)
2761bca997 Merge READWRITEMANY into READWRITE (Pieter Wuille)
Pull request description:
This is another fragment of improvements from #10785.
The current serialization code does not support serializing/deserializing from/to temporaries (like `s >> CFlatData(script)`). As a result, there are many invocations of the `REF` macro which in addition to changing the reference type also changes the constness. This is unnecessary in C++11 as we can use rvalue references now instead.
The first commit is an extra simplification we can make that removes the duplication of code between `READWRITE` and `READWRITEMANY` (and related functions).
Tree-SHA512: babfa9cb268cc3bc39917e4f0a90e4651c33d85032161e16547a07f3b257b7ca7940e0cbfd69f09439d26fafbb1a6cf6359101043407e2c7aeececf7f20b6eed
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Using VARINT with signed types is dangerous because negative values will appear
to serialize correctly, but then deserialize as positive values mod 128.
This commit changes the VARINT macro to trigger an error by default if called
with an signed value, and updates broken uses of VARINT to pass a special flag
that lets them keep working with no change in behavior.
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1ee72a819f qt: Avoid querying unnecessary model data when filtering transactions (João Barbosa)
Pull request description:
This change moves down model data querying to where it's needed. The worst case remains the same (all data is queried and the row passes) but for the average case it improves the filter performance.
Tree-SHA512: 3bcaced029cb39dfbc5377246ce76634f9050ee3a3053db4d358fcbf4d8107c649e75841f21d69f1aebcaf1bbffe3eac784e6b03b366fdbbfec1e0da8f78d8ef
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bb079a0e2c Remove unused variable in SortForBlock (Drew Rasmussen)
Pull request description:
Although txiter is passed to BlockAssembler::SortForBlock, it is never used. Other than BlockAssembler::addPackageTxs, no other method ever makes a call to SortForBlock, thus making this change harmless.
Tree-SHA512: c7df948c5f75f7371844200e0227a26476437f300148d29020e01041b382f5bda31d9c520c9c5425aee88ce8f4a52cd0e594985d69ed8a081b878cda2e4de8c5
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Suggested by Sjors Provoost <sjors@sprovoost.nl> in
https://github.com/bitcoin/bitcoin/pull/11536#issuecomment-372820660
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It is redundant to check for the presence of MSG_NOSIGNAL macro in
configure.ac, define HAVE_MSG_NOSIGNAL and then check whether the later
is defined in the source code. Instead we can check directly whether
MSG_NOSIGNAL is defined. Same for MSG_DONTWAIT.
In addition to that, the checks we had in configure.ac produce a
compiler warning about unused variable and thus could fail if
-Werror is present and erroneously proclaim that the macros are
not available.
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f98b54352 Only call NotifyBlockTip when the active chain changes (James O'Beirne)
152b7fb25 [tests] Add a (failing) test for waitforblockheight (James O'Beirne)
Pull request description:
This is a subset of the more controversial https://github.com/bitcoin/bitcoin/pull/12407, but this also adds a test demonstrating the bug.
In InvalidateBlock, we're calling NotifyBlockTip with the now-invalid block's prev regardless of what chain the ancestor block is on. This could create numerous issues, but it at least screws up `waitforblockheight` (or anything else relying on `rpc/blockchain.cpp:latestblock`) when InvalidateBlock is called on a block not in chainActive, which can happen via RPC.
Only call NotifyBlockTip when the block being marked invalid is on the active chain.
Tree-SHA512: 9a54fe5e8c7eb489daf5df4483c0986129e871e2ca931a456ba869ecb5d5a8d4f7bd27ccc9e711e9292c9ed79ddef896c85d0e81fc76883503e327995b0e914f
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73b5bf2cb Add a test to make sure that negative effective values are filtered (Andrew Chow)
76d2f068a Benchmark BnB in the worst case where it exhausts (Andrew Chow)
6a34ff533 Have SelectCoinsMinConf and SelectCoins use BnB or Knapsack and use it (Andrew Chow)
fab04887c Add a GetMinimumFeeRate function which is wrapped by GetMinimumFee (Andrew Chow)
cd927ff32 Move original knapsack solver tests to coinselector_tests.cpp (Andrew Chow)
fb716f7b2 Move current coin selection algorithm to coinselection.{cpp,h} (Andrew Chow)
4566ab75f Add tests for the Branch and Bound algorithm (Andrew Chow)
4b2716da4 Remove coinselection.h -> wallet.h circular dependency (Andrew Chow)
7d77eb1a5 Use a struct for output eligibility (Andrew Chow)
ce7435cf1 Move output eligibility to a separate function (Andrew Chow)
0185939be Implement Branch and Bound coin selection in a new file (Andrew Chow)
f84fed8eb Store effective value, fee, and long term fee in CInputCoin (Andrew Chow)
12ec29d3b Calculate and store the number of bytes required to spend an input (Andrew Chow)
Pull request description:
This is an implementation of the [Branch and Bound coin selection algorithm written by Murch](http://murch.one/wp-content/uploads/2016/11/erhardt2016coinselection.pdf) (@xekyo). I have it set so this algorithm will run first and if it fails, it will fall back to the current coin selection algorithm. The coin selection algorithms and tests have been refactored to separate files instead of having them all in wallet.cpp.
I have added some tests for the new algorithm and a test for all of coin selection in general. However, more tests may be needed, but I will need help with coming up with more test cases.
This PR uses some code borrowed from #10360 to use effective values when selecting coins.
Tree-SHA512: b0500f406bf671e74984fae78e2d0fbc5e321ddf4f06182c5855e9d1984c4ef2764c7586d03e16fa4b578c340b21710324926f9ca472d5447a0d1ed43eb4357e
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c316fdf [qt] Add support to search the address book (João Barbosa)
Pull request description:
This PR adds support to search the address book for both receiving and sending addresses.
A specialisation of the `QSortFilterProxyModel` is added to implement the custom filtering.
<img width="757" alt="screen shot 2018-01-03 at 16 05 57" src="https://user-images.githubusercontent.com/3534524/34528196-0347d61e-f0a0-11e7-9bd3-535e9e34ceb8.png">
<img width="759" alt="screen shot 2018-01-03 at 16 00 58" src="https://user-images.githubusercontent.com/3534524/34528202-07c99f24-f0a0-11e7-8e34-cff6a1ba2364.png">
Closes #623.
Tree-SHA512: 316e646015c858fc70db6be72dc7922d5bb10a3399e7fa327c992e184cc37a124f11cffefab2dbe0d16bda790c7c0437db364686e66c40b4054b8250b4be15d0
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* Make PeerLogicValidation final to prevent deriving from it [1]
* Prevent deletions of NetEventsInterface and CValidationInterface
objects via a base class pointer
[1] silences the following compiler warning (from Clang 7.0.0):
/usr/include/c++/v1/memory:2285:5: error: delete called on non-final 'PeerLogicValidation' that has
virtual functions but non-virtual destructor [-Werror,-Wdelete-non-virtual-dtor]
delete __ptr;
^
/usr/include/c++/v1/memory:2598:7: note: in instantiation of member function
'std::__1::default_delete<PeerLogicValidation>::operator()' requested here
__ptr_.second()(__tmp);
^
init.cpp:201:15: note: in instantiation of member function 'std::__1::unique_ptr<PeerLogicValidation,
std::__1::default_delete<PeerLogicValidation> >::reset' requested here
peerLogic.reset();
^
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b4bc32a451 [wallet] Get rid of CWalletTx default constructor (Russell Yanofsky)
a128bdc9e1 [wallet] Construct CWalletTx objects in CommitTransaction (Russell Yanofsky)
Pull request description:
Two commits:
- `Construct CWalletTx objects in CommitTransaction` moves a bunch of CWalletTx initialization into CWallet::CommitTransaction to dedup some code and avoid future inconsistencies in how wallet transactions are created.
- `Get rid of CWalletTx default constructor` does what is described and eliminates the possibility of empty transaction entries being inadvertently created by mapWallet[hash] accesses.
Both of these changes were originally part of #9381
Tree-SHA512: af3841c4f0539e0662d81b33c5369fc70aa06ddde1c59cb00fb21c9e4c7d9ff47f1edc5040cb463af1333838802c56b3ef875b939e2b804ee45b8e0294a4371c
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Currently, the READWRITE macro cannot be passed any non-const temporaries, as
the SerReadWrite function only accepts lvalue references.
Deserializing into a temporary is very common, however. See for example
things like 's >> VARINT(n)'. The VARINT macro produces a temporary wrapper
that holds a reference to n.
Fix this by accepting non-const rvalue references instead of lvalue references.
We don't propagate the rvalue-ness down, as there are no useful optimizations
that only apply to temporaries.
Then use this new functionality to get rid of many (but not all) uses of the
'REF' macro (which casts away constness).
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Failure looks like:
Entering test case "ComputeTimeSmart"
test_bitcoin: sync.cpp:100: void potential_deadlock_detected(const std::pair<void*, void*>&, const LockStack&, const LockStack&): Assertion `false' failed.
unknown location(0): fatal error in "ComputeTimeSmart": signal: SIGABRT (application abort requested)
wallet/test/wallet_tests.cpp(566): last checkpoint
Reproducible with:
./configure --enable-debug
make -C src test/test_bitcoin && src/test/test_bitcoin --log_level=test_suite --run_test=wallet_tests/ComputeTimeSmart
Happens due to "92fabcd443 Add LookupBlockIndex function" which acquires
cs_main from inside CWallet::ComputeTimeSmart.
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92fabcd44 Add LookupBlockIndex function (João Barbosa)
43a32b739 Add missing cs_lock in CreateWalletFromFile (João Barbosa)
f814a3e8f Fix cs_main lock in LoadExternalBlockFile (João Barbosa)
c651df8b3 Lock cs_main while loading block index in AppInitMain (João Barbosa)
02de6a6bc Assert cs_main is held when accessing mapBlockIndex (João Barbosa)
Pull request description:
Replace all `mapBlockIndex` lookups with the new `LookupBlockIndex()`. In some cases it avoids a second lookup.
Tree-SHA512: ca31118f028a19721f2191d86f2dd398144d04df345694575a64aeb293be2f85785201480c3c578a0ec99690516205708558c0fd4168b09313378fd4e60a8412
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42343c748 Split up and sanitize CAccountingEntry serialization (Pieter Wuille)
029ecac1b Split up and sanitize CWalletTx serialization (Pieter Wuille)
Pull request description:
This is a small subset of changes taken from #10785, fixing a few of the craziest constness violations in the serialization code.
`CWalletTx` currently serializes some of its fields by embedding them in a key-value `mapValue`, which is modified (and then fixed up) even from the `Serialize` method (for which `mapValue` is const). `CAccountingEntry` goes even further in that it stores such a map by appending it into `strComment` after a null char, which is again later fixed up again.
Fix this by splitting the serialization and deserialization code, and making the serialization act on a copy of `mapValue` / `strComment`.
Tree-SHA512: 487e04996dea6aba5b9b8bdaf2c4e680808f111a15afc557b8d078e14b01e4f40f8ef27588869be62f9a87052117c17e0a0c26c59150f83472a9076936af035e
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fac70134a rpc: Update createrawtransaction examples (MarcoFalke)
fa06dfce0 [rpc] createrawtransaction: Accept sorted outputs (MarcoFalke)
8acd25d85 rpc: Allow typeAny in RPCTypeCheck (MarcoFalke)
Pull request description:
The second parameter of the `createrawtransaction` is a dictionary of the outputs. This comes with at least two drawbacks:
* In case of duplicate keys, either of them might silently disappear, with no user feedback at all. A user needs to make other mistakes, but this could eventually lead to abnormal tx fees.
* A dictionary does not guarantee that keys are sorted. Again, a user needs to keep this in mind, as it could eventually lead to excessive tx fees.
Even though my scenario of loss-of-funds is unlikely to happen, I see it as a inconvenience that should be fixed.
Tree-SHA512: cd562f34f7f9f79c7d3433805971325c388c2035611be283980f4049066a622df4f0afdc11d7ac96662260ec0115147cb65e1ab5268f5a1b063242f3fe425f77
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Allows SelectCoinsMinConf and SelectCoins be able to switch between
using BnB or Knapsack for choosing coins.
Has SelectCoinsMinConf do the preprocessing necessary to support either
BnB or Knapsack. This includes calculating the filtering the effective
values for each input.
Uses BnB in CreateTransaction to find an exact match for the output.
If BnB fails, it will fallback to the Knapsack solver.
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Moves the current coin selection algorithm out of SelectCoinsMinConf
and puts it in coinselection.{cpp,h}. The new function, KnapsackSolver,
instead of taking a vector of COutputs, will take a vector of CInputCoins
that is prepared by SelectCoinsMinConf.
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