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Author SHA1 Message Date
fanquake
17acbc1a5a
Merge bitcoin/bitcoin#25974: test, build: Separate read_json function into its own module
7a820cee0e test, build: Separate `read_json` function into its own module (Hennadii Stepanov)

Pull request description:

  Currently, 4 source files rely on the definition of the `read_json` function provided in `src/test/script_tests.cpp`.

  This PR breaks this entanglement, improves code structure and maintainability.

ACKs for top commit:
  fanquake:
    ACK 7a820cee0e

Tree-SHA512: f1567989f76cb54ab86cc48927851a8c424b08a9483d02d4918b629e0c792108bad4ccf7fa341d57b0921d91e84bf8fa3b9c07e5fdf12c64d9d5da83e4e464fb
2023-02-01 11:43:42 +00:00
MarcoFalke
fa451d4b60
Fix clang-tidy readability-const-return-type violations 2023-02-01 11:33:35 +01:00
MarcoFalke
e1bf5470f9
Merge bitcoin/bitcoin#26705: clang-tidy: Fix modernize-use-default-member-init in headers and force to check all headers
b0e916913c clang-tidy: Force to check all headers (Hennadii Stepanov)
96ee992ac3 clang-tidy: Fix `modernize-use-default-member-init` in headers (Hennadii Stepanov)

Pull request description:

  This PR:
  - fixes the only [remained](https://github.com/bitcoin/bitcoin/pull/26705#issuecomment-1353742082) check in headers, i.e., `modernize-use-default-member-init`
  - forces `clang-tidy` check all headers

  Closes bitcoin/bitcoin#26703.

ACKs for top commit:
  MarcoFalke:
    review ACK b0e916913c 🍹

Tree-SHA512: 4d33fe873094914541ae81968cdb4e7a7a01b3fdd4f25bc6daa8a53f45dab80565a5b3607ddc338f122369ca5a0a2d0d09c8e78cabe1beb6bd50c115bc5c5210
2023-02-01 10:38:45 +01:00
MarcoFalke
ba39ffe938
Merge bitcoin/bitcoin#26888: net: simplify the call to vProcessMsg.splice()
dfc01ccd73 net: simplify the call to vProcessMsg.splice() (Vasil Dimov)

Pull request description:

  At the time when

  ```cpp
  pnode->vProcessMsg.splice(pnode->vProcessMsg.end(), pnode->vRecvMsg, pnode->vRecvMsg.begin(), it);
  ```

  is called, `it` is certainly `pnode->vRecvMsg.end()` which makes the call equivalent to:

  ```cpp
  pnode->vProcessMsg.splice(pnode->vProcessMsg.end(), pnode->vRecvMsg, pnode->vRecvMsg.begin(), pnode->vRecvMsg.end());
  ```

  which is equivalent to:

  ```cpp
  pnode->vProcessMsg.splice(pnode->vProcessMsg.end(), pnode->vRecvMsg);
  ```

  Thus, use the latter. Further, maybe irrelevant, but the latter has constant complexity while the original code is `O(length of vRecvMsg)`.

ACKs for top commit:
  theStack:
    Code-review ACK dfc01ccd73
  MarcoFalke:
    review ACK dfc01ccd73   🐑
  jonatack:
    Light review ACK dfc01ccd73

Tree-SHA512: 9f4eb61d1caf4af9a61ba2f54b915fcfe406db62c58ab1ec42f736505b6792e9379a83d0458d6cc04f289edcec070b7c962f94a920ab51701c3cab103152866f
2023-02-01 09:42:46 +01:00
Andrew Chow
ba3d32715f
Merge bitcoin/bitcoin#26847: p2p: track AddrMan totals by network and table, improve precision of adding fixed seeds
80f39c99ef addrman, refactor: combine two size functions (Amiti Uttarwar)
4885d6f197 addrman, refactor: move count increment into Create() (Martin Zumsande)
c77c877a8e net: Load fixed seeds from reachable networks for which we don't have addresses (Martin Zumsande)
d35595a78a addrman: add function to return size by network and table (Martin Zumsande)

Pull request description:

  AddrMan currently doesn't track the number of its entries by network, it only knows the total number of addresses. This PR makes AddrMan keep track of these numbers, which would be helpful for multiple things:

  1. Allow to specifically add fixed seeds to AddrMan of networks where we don't have any addresses yet - even if AddrMan as a whole is not empty (partly fixing #26035). This is in particular helpful if the user abruptly changes `-onlynet` settings (such that addrs that used to be reachable are no longer and vice versa), in which case they currently could get stuck and not find any outbound peers. The second commit of this PR implements this.
  1. (Future work): Add logic for automatic connection management with respect to networks - such as making attempts to have at least one connection to each reachable network as suggested [here](https://github.com/bitcoin/bitcoin/issues/26035#issuecomment-1249420209). This would involve requesting an address from a particular network from AddrMan, and expanding its corresponding function `AddrMan::Select()`  to do this requires internal knowledge of the current number of addresses for each network and table to avoid getting stuck in endless loops.
  1. (Future work): Perhaps display the totals to users. At least I would find this helpful to debug, the existing option (`./bitcoin-cli -addrinfo`) is rather indirect by doing the aggregation itself in each call, doesn't distinguish between new and tried, and being based on `AddrMan::GetAddr()` it's also subject to a quality filter which we probably don't want in this spot.

ACKs for top commit:
  naumenkogs:
    utACK 80f39c9
  stratospher:
    ACK 80f39c9
  achow101:
    ACK 80f39c99ef
  vasild:
    ACK 80f39c99ef

Tree-SHA512: 6359f2e3f4db7c120c0789d92d74cb7d87a2ceedb7d6a34b5eff20c7f55c5c81092d10ed94efe29afc1c66947820a0d9c14876ee0c8d1f8e068a6df4e1131927
2023-01-31 16:08:44 -05:00
Sebastian Falbesoner
87f11ef47f refactor: use Hash helper for double-SHA256 calculations 2023-01-31 19:34:35 +01:00
fanquake
b5868f4b1f
Merge bitcoin/bitcoin#23670: build: Build minisketch test in make check, not in make
6d58117a31 build: Build minisketch test in `make check`, not in `make` (Hennadii Stepanov)

Pull request description:

  On master (d1e42659bb):
  ```
  $ ./autogen.sh && ./configure --without-gui --disable-wallet && make clean
  $ make 2>&1 | grep LD | grep -v .la
    CXXLD    bitcoind
    CXXLD    bitcoin-cli
    CXXLD    bitcoin-tx
    CXXLD    bitcoin-util
    CXXLD    test/test_bitcoin
    CXXLD    bench/bench_bitcoin
    CXXLD    minisketch/test
    CXXLD    test/fuzz/fuzz
    CXXLD    univalue/test/object
    CXXLD    univalue/test/unitester
  $ make check 2>&1 | grep LD
    CCLD     exhaustive_tests
    CCLD     tests
  ```

  With this PR:
  ```
  $ ./autogen.sh && ./configure --without-gui --disable-wallet && make clean
  $ make 2>&1 | grep LD | grep -v .la
    CXXLD    bitcoind
    CXXLD    bitcoin-cli
    CXXLD    bitcoin-tx
    CXXLD    bitcoin-util
    CXXLD    test/test_bitcoin
    CXXLD    bench/bench_bitcoin
    CXXLD    test/fuzz/fuzz
    CXXLD    univalue/test/object
    CXXLD    univalue/test/unitester
  $ make check 2>&1 | grep LD
    CXXLD    minisketch/test
    CCLD     exhaustive_tests
    CCLD     tests
  ```

  In fact, this PR restores behavior that was before bitcoin/bitcoin#22646, and that behavior looks more optimal.

  As an outcome, the `contrib/guix/libexec/build.sh` does not spend resources to build binaries which are not a part of the release package.

ACKs for top commit:
  TheCharlatan:
    ACK 6d58117a31

Tree-SHA512: 4957c8f88a01aca005813bf4c1c26f433756bf68ea0c958481c638ead229fa8e23ecae3a8ac31ea555876ba6f2cc10ecd91caf2e2f664de5cb529ec05fb38fa7
2023-01-31 17:55:44 +00:00
MarcoFalke
fad7af700e
Use steady clock for logging timer 2023-01-31 18:48:50 +01:00
MarcoFalke
1ff254e45c
Merge bitcoin/bitcoin#26974: refactor: rpc: set TxToJSON default verbosity to SHOW_DETAILS
a24e633339 refactor: rpc: set TxToJSON default verbosity to SHOW_DETAILS (stickies-v)

Pull request description:

  `TxToJSON()` and `TxToUniv()` are only to be called when we want to decode the transaction (i.e. its details) into JSON. If `TxVerbosity` is `SHOW_TXID`, the function should not have been (and currently is not) called in the first place.

  There is no behaviour change, current logic simply assumes anything less than `TxVerbosity::SHOW_DETAILS_AND_PREVOUT` equals `TxVerbosity::SHOW_DETAILS`. With this change, the assumptions and intent become more explicit.

ACKs for top commit:
  w0xlt:
    ACK a24e633339

Tree-SHA512: b97235adae49b972bdbe10aca1438643fb35ec66a4e57166b1975b3015bc5a06a711feebe4453a8fefe71781e484b21ef80847d8e8a33694a3abcc863accd4d7
2023-01-31 18:22:19 +01:00
Martin Zumsande
fe683f3524 log: Log VerifyDB Progress over multiple lines
This allows to log a timestamp for each entry,
and avoids potential interference with other
threads that could log concurrently.
2023-01-31 10:43:39 -05:00
Martin Zumsande
61431e3a57 validation: Skip VerifyDB checks of level >=3 if dbcache is too small
The previous behavior, skipping some L3 DisconnectBlock calls,
but still attempting to reconnect these blocks at L4, makes
ConnectBlock assert.

The variable skipped_l3_checks is introduced because even with an
insufficient cache for the L3 checks, the L1/L2 checks in the same
loop should still be completed.

Fixes #25563.
2023-01-31 10:43:39 -05:00
Hennadii Stepanov
75db62ba4c
refactor: Move calculation logic out from CheckSequenceLocksAtTip() 2023-01-31 13:26:54 +00:00
Hennadii Stepanov
3bc434f459
refactor: Add CalculateLockPointsAtTip() function 2023-01-31 13:26:45 +00:00
Hennadii Stepanov
b0e916913c
clang-tidy: Force to check all headers 2023-01-31 11:50:24 +00:00
Hennadii Stepanov
96ee992ac3
clang-tidy: Fix modernize-use-default-member-init in headers
See https://clang.llvm.org/extra/clang-tidy/checks/modernize/use-default-member-init.html
2023-01-31 11:50:10 +00:00
MarcoFalke
fab9f7d1bd
test: Use std::unique_ptr over manual delete in coins_tests 2023-01-31 12:09:01 +01:00
Pieter Wuille
511aa4f1c7 Add unit test for ChaCha20's new caching 2023-01-30 19:12:55 -05:00
Pieter Wuille
fb243d25f7 Improve test vectors for ChaCha20 2023-01-30 18:12:21 -05:00
Pieter Wuille
93aee8bbda Inline ChaCha20 32-byte specific constants 2023-01-30 18:12:21 -05:00
Pieter Wuille
62ec713961 Only support 32-byte keys in ChaCha20{,Aligned} 2023-01-30 18:12:21 -05:00
Pieter Wuille
f21994a02e Use ChaCha20Aligned in MuHash3072 code 2023-01-30 18:12:21 -05:00
Pieter Wuille
5d16f75763 Use ChaCha20 caching in FastRandomContext 2023-01-30 18:12:21 -05:00
Pieter Wuille
38eaece67b Add fuzz test for testing that ChaCha20 works as a stream 2023-01-30 18:12:21 -05:00
Martin Leitner-Ankerl
5f05b27841 Add xoroshiro128++ PRNG
Xoroshiro128++ is a fast non-cryptographic random generator.
Reference implementation is available at https://prng.di.unimi.it/

Co-Authored-By: Pieter Wuille <pieter@wuille.net>
2023-01-30 18:12:21 -05:00
Pieter Wuille
12ff72476a Make unrestricted ChaCha20 cipher not waste keystream bytes
Co-authored-by: dhruv <856960+dhruv@users.noreply.github.com>
2023-01-30 18:12:21 -05:00
Pieter Wuille
6babf40213 Rename ChaCha20::Seek -> Seek64 to clarify multiple of 64 2023-01-30 18:12:21 -05:00
Pieter Wuille
e37bcaa0a6 Split ChaCha20 into aligned/unaligned variants 2023-01-30 18:12:21 -05:00
Pieter Wuille
2e16054a66 Add assertions that BatchWrite(erase=true) erases 2023-01-30 13:13:54 -05:00
Pieter Wuille
941feb6ca2 Avoid unclear {it = ++it;} 2023-01-30 13:13:24 -05:00
Pieter Wuille
98db35c2f8 Follow coding style for named arguments 2023-01-30 13:13:20 -05:00
Pieter Wuille
bb00357add Make test/fuzz/coins_view exercise CCoinsViewCache::Sync() 2023-01-30 13:11:53 -05:00
fanquake
7241b936c5
Merge bitcoin/bitcoin#26965: refactor: Remove stray cs_main redundant declaration
faba08b5b4 refactor: Remove stray cs_main redundant declaration (MarcoFalke)
fa02591edf doc: Export threadsafety.h from sync.h (MarcoFalke)

Pull request description:

  Looks like this was forgotten when introducing kernel/cs_main ?

  Also, there is a commit to export threadsafety.h from sync.h.

ACKs for top commit:
  hebasto:
    ACK faba08b5b4

Tree-SHA512: 0aa58e7693b6fcd504f9da7339f8baa463a6407f67b27f68002db705f4642321ac3765f16c3d906c925ee24085591b79160a62fa5f4aaf6f2e5dcc788411800d
2023-01-30 17:27:44 +00:00
fanquake
82903a7a8d
Merge bitcoin/bitcoin#17487: coins: allow write to disk without cache drop
1d7935b45a test: add test for coins view flush behavior using Sync() (James O'Beirne)
2c3cbd6c00 test: add use of Sync() to coins tests (James O'Beirne)
6d8affca96 test: refactor: clarify the coins simulation (James O'Beirne)
79cedc36af coins: add Sync() method to allow flush without cacheCoins drop (James O'Beirne)

Pull request description:

  This is part of the [assumeutxo project](https://github.com/bitcoin/bitcoin/projects/11):

  Parent PR: #15606
  Issue: #15605
  Specification: https://github.com/jamesob/assumeutxo-docs/tree/master/proposal

  ---

  In certain circumstances, we may want to flush chainstate data to disk without
  emptying `cacheCoins`, which affects performance. UTXO snapshot
  activation is one such case, as we populate `cacheCoins` with the snapshot
  contents and want to persist immediately afterwards but also enter IBD.

  See also #15265, which makes the case that under normal operation a
  flush-without-erase doesn't necessarily add much benefit. I open this PR
  even in light of the previous discussion because (i) flush-without-erase
  almost certainly provides benefit in the case of snapshot activation (especially
  on spinning disk hardware) and (ii) this diff is fairly small and gives us convenient
  options for more granular cache management without changing existing policy.

  See also #15218.

ACKs for top commit:
  sipa:
    ACK 1d7935b45a
  achow101:
    ACK 1d7935b45a
  Sjors:
    tACK 1d7935b45a

Tree-SHA512: 897583963e98661767d2d09c9a22f6019da24125558cd88770bfe2d017d924f23a9075b729e4b1febdec5b0709a38e8fa1ef94d62aa88650556b06cb4826c845
2023-01-30 16:01:16 +00:00
fanquake
0a1d372ad0
Merge bitcoin/bitcoin#26649: refactor: Use AutoFile and HashVerifier (without ser-type and ser-version) where possible
eeee61065f Use AutoFile and HashVerifier where possible (MarcoFalke)
fa961141f7 Add HashVerifier (MarcoFalke)

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 `AutoFile` and `HashVerifier`. `CAutoFile` and `CHashVerifier` remain in places where it is not yet possible.

ACKs for top commit:
  stickies-v:
    ACK eeee61065f

Tree-SHA512: 93786778c309ecfdc1ed43552d24ff9d966954d69a47f66faaa6de24daacd25c651f3f62bde5abbb362700298fb3c04ffbd3207a0dd13d0bd8bff7fd6d07dcf8
2023-01-30 15:57:12 +00:00
Greg Sanders
906631450d s/transcation/transaction/ 2023-01-30 10:46:15 -05:00
MarcoFalke
fa47b28dfc
refactor: Remove unused CDataStream SerializeMany constructor 2023-01-30 13:04:50 +01:00
fanquake
79e18ebc81
Merge bitcoin/bitcoin#26896: build: Remove port-forwarding runtime setting options from configure
d51f0fa4b7 doc: add release notes for 26896 (fanquake)
2b248798d9 build: remove --enable-upnp-default from configure (fanquake)
02f5a5e7b5 build: remove --enable-natpmp-default from configure (fanquake)
25a0e8ba0b Remove configure-time setting of DEFAULT_UPNP (fanquake)
06562e5fa7 Remove configure-time setting of DEFAULT_NATPMP (fanquake)

Pull request description:

  This PR removes the `--enable-upnp-default` and `--enable-natpmp-default` options from configure.

  It's odd to me that we maintain configure-time options for setting the default port-forwarding runtime state (but no other similar options), and I'm not sure what use-case it satisfies, that can't be achieved by multiple other means. I also doubt that we'll ever restart using these in release builds, or turning on any of this by default.

  I think the only scenario these options would be used is when you want to compile your own binaries (we don't use them in Guix), with port-forwarding on by default, but otherwise can't or don't want to use a `.conf` file, can't or don't want to pass command line options at runtime, and also don't want to modify the source code?

ACKs for top commit:
  hebasto:
    ACK d51f0fa4b7, rebased and comments have been addressed since my recent [review](https://github.com/bitcoin/bitcoin/pull/26896#pullrequestreview-1273910740).
  TheCharlatan:
    ACK d51f0fa4b7

Tree-SHA512: 481decd8bddd8b03b7319591e3acf189f7b6b96c9a9a8c5bc1a3f8ec00d0b8f9b52d2f5c28a298a2ec947cfe9611cfd184e393ccb2e4e21bfce86ca7d4de60d3
2023-01-30 11:18:07 +00:00
willcl-ark
e325e0fccb
doc: Fix comment syntax error 2023-01-30 10:26:02 +00:00
Vasil Dimov
dfc01ccd73
net: simplify the call to vProcessMsg.splice()
At the time when

```cpp
pnode->vProcessMsg.splice(pnode->vProcessMsg.end(), pnode->vRecvMsg, pnode->vRecvMsg.begin(), it);
```

is called, `it` is certainly `pnode->vRecvMsg.end()` which makes the
call equivalent to:

```cpp
pnode->vProcessMsg.splice(pnode->vProcessMsg.end(), pnode->vRecvMsg, pnode->vRecvMsg.begin(), pnode->vRecvMsg.end());
```

which is equivalent to:

```cpp
pnode->vProcessMsg.splice(pnode->vProcessMsg.end(), pnode->vRecvMsg);
```

Thus, use the latter. Further, maybe irrelevant, but the latter has
constant complexity while the original code is `O(length of vRecvMsg)`.
2023-01-30 11:21:21 +01:00
glozow
b1329b7523
Merge bitcoin/bitcoin#26499: wallet: Abandon descendants of orphaned coinbases
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
2023-01-30 10:09:41 +00:00
MarcoFalke
37fea41bbf
Merge bitcoin/bitcoin#26982: p2p: 25880 fixups (stalling timeout)
b2a1e47744 net_processing: simplify logging statement (Martin Zumsande)
6548ba68e8 test: fix intermittent errors in p2p_ibd_stalling.py (Martin Zumsande)

Pull request description:

  Two small fixups to #25880:

  - Use `is_connected` instead of `num_test_p2p_connections` to avoid intermittent failures where the p2p MiniNode got disconnected but this info hasn't made it to python yet, so it fails a ping. (https://github.com/bitcoin/bitcoin/pull/25880#discussion_r1089217720)

  - Simplify a logging statement (suggested in https://github.com/bitcoin/bitcoin/pull/25880#discussion_r1013738635)

ACKs for top commit:
  MarcoFalke:
    review ACK b2a1e47744 🕧

Tree-SHA512: 337f0883bf1c94cc26301a80dfa649093ed1e211ddda1acad8449a2add5be44e5c12d6073c209df9c7aa1edb9da33ec1cfdcb0deafd76178ed78785843e80bc7
2023-01-30 10:54:11 +01:00
MarcoFalke
1c8b80f440
Merge bitcoin/bitcoin#15294: refactor: Extract RipeMd160
6879be691b refactor: Extract RIPEMD160 (Ben Woosley)

Pull request description:

  To directly return a CRIPEMD160 hash from data.

  Simplifies the call sites.

ACKs for top commit:
  achow101:
    ACK 6879be691b
  theStack:
    re-ACK 6879be691b
  MarcoFalke:
    review ACK 6879be691b  🏔

Tree-SHA512: 6ead85d8060c2ac6afd43ec716ff5a82d6754c4132fe7df3b898541fa19f1dfd8b301b2b66ae7cb7594b1b1a8c7f68bce3790a8c610d4a1164e995d89bc5ae34
2023-01-30 09:49:01 +01:00
Martin Zumsande
b2a1e47744 net_processing: simplify logging statement
Also use count_seconds() instead of count() for type safety.
2023-01-29 17:35:15 -05:00
fanquake
25a0e8ba0b
Remove configure-time setting of DEFAULT_UPNP
Default to false.
2023-01-28 15:24:13 +00:00
fanquake
06562e5fa7
Remove configure-time setting of DEFAULT_NATPMP
Default to false.
2023-01-28 15:24:12 +00:00
MarcoFalke
9a288430df
Merge bitcoin/bitcoin#26900: refactor: Add BlockManager getters
faf7b4f1fc Add BlockManager::IsPruneMode() (MarcoFalke)
fae71fe27e Add BlockManager::GetPruneTarget() (MarcoFalke)
fa0f0436d8 Add BlockManager::LoadingBlocks() (MarcoFalke)

Pull request description:

  Requested in https://github.com/bitcoin/bitcoin/pull/25781#discussion_r1061323795, but adding getters seems unrelated from removing globals, so I split it out for now.

ACKs for top commit:
  dergoegge:
    Code review ACK faf7b4f1fc
  brunoerg:
    crACK faf7b4f1fc

Tree-SHA512: 204d0e9a0e8b78175482f89b4ce620fba0e65d8e49ad845d187af44d3843f4c733a01bac1ffe5a5319f524d8346123693a456778b69d6c75268c447eb8839642
2023-01-27 17:33:11 +01:00
John Moffett
c497a198db Fix comment about how wallet txs are sorted
The wallet transactions in the node are not sorted
by hash. Also make comment Doxygen compatible.
2023-01-27 10:04:48 -05:00
Hennadii Stepanov
7a820cee0e
test, build: Separate read_json function into its own module 2023-01-27 09:26:29 +00:00
Andrew Chow
835212cd1d
Merge bitcoin/bitcoin#25880: p2p: Make stalling timeout adaptive during IBD
39b93649c4 test: add functional test for IBD stalling logic (Martin Zumsande)
0565951f34 p2p: Make block stalling timeout adaptive (Martin Zumsande)

Pull request description:

  During IBD, there is the following stalling mechanism if we can't proceed with assigning blocks from a 1024 lookahead window because all of these blocks are either already downloaded or in-flight: We'll mark the peer from which we expect the current block that would allow us to advance our tip (and thereby move the 1024 window ahead) as a possible staller. We then give this peer 2 more seconds to deliver a block (`BLOCK_STALLING_TIMEOUT`) and if it doesn't, disconnect it and assign the critical block we need to another peer.

  Now the problem is that this second peer is immediately marked as a potential staller using the same mechanism and given 2 seconds as well - if our own connection is so slow that it simply takes us more than 2 seconds to download this block, that peer will also be disconnected (and so on...), leading to repeated disconnections and no progress in IBD. This has been described in #9213, and I have observed this when doing IBD  on slower connections or with Tor - sometimes there would be several minutes without progress, where all we did was disconnect peers and find new ones.

  The `2s` stalling timeout was introduced in #4468, when blocks weren't full and before Segwit increased the maximum possible physical size of blocks - so I think it made a lot of sense back then.
  But it would be good to revisit this timeout now.

  This PR makes the timout adaptive (idea by sipa):
  If we disconnect a peer for stalling, we now double the timeout for the next peer (up to a maximum of 64s). If we connect a block, we half it again up to the old value of 2 seconds. That way, peers that are comparatively slower will still get disconnected, but long phases of disconnecting all peers shouldn't happen anymore.

  Fixes #9213

ACKs for top commit:
  achow101:
    ACK 39b93649c4
  RandyMcMillan:
    Strong Concept ACK 39b93649c4
  vasild:
    ACK 39b93649c4
  naumenkogs:
    ACK 39b93649c4

Tree-SHA512: 85bc57093b2fb1d28d7409ed8df5a91543909405907bc129de7c6285d0810dd79bc05219e4d5aefcb55c85512b0ad5bed43a4114a17e46c35b9a3f9a983d5754
2023-01-27 01:53:21 -05:00
Amiti Uttarwar
80f39c99ef addrman, refactor: combine two size functions
The functionality of the old size() is covered by the new Size()
when no arguments are specified, so this does not change behavior.

Co-authored-by: Martin Zumsande <mzumsande@gmail.com>
2023-01-26 18:11:13 -05:00