Age | Commit message (Collapse) | Author |
|
|
|
|
|
This has never been used in the public interface method since it was
introduced in #9037.
|
|
Instead of deserializing addresses, placing them in the buckets, and
then removing them if they're invalid, check first and don't place in
the buckets if they're invalid.
|
|
e0a2b390c14)
d4b67c8ebc2bb7488bcaaccc3a801cdef1cf1678 scripted-diff: remove ResetI2PPorts() (revert e0a2b390c14) (Vasil Dimov)
Pull request description:
`CAddrMan::ResetI2PPorts()` was temporary. Remove it:
* it has partially achieved its goal: probably ran on about half of the
I2P nodes
* it is hackish, deemed risky and two bugs where found in it:
https://github.com/bitcoin/bitcoin/issues/22467
https://github.com/bitcoin/bitcoin/issues/22470
-BEGIN VERIFY SCRIPT-
git show e0a2b390c144e123e2fc8a289fdff36815476964 |git apply -R
-END VERIFY SCRIPT-
Fixes https://github.com/bitcoin/bitcoin/issues/22467
Fixes https://github.com/bitcoin/bitcoin/issues/22470
ACKs for top commit:
laanwj:
ACK d4b67c8ebc2bb7488bcaaccc3a801cdef1cf1678
MarcoFalke:
review ACK d4b67c8ebc2bb7488bcaaccc3a801cdef1cf1678 😲
jonatack:
ACK d4b67c8ebc2bb7488bcaaccc3a801cdef1cf1678 per IRC discussions https://www.erisian.com.au/bitcoin-core-dev/log-2021-07-16.html#l-212 and https://www.erisian.com.au/bitcoin-core-dev/log-2021-07-19.html#l-210
Tree-SHA512: 60d8f0ea0f66a8fcedfcb9c8944a419b974b15509b54ddfeec58db49ae9418e6916df712bba3fbd6b29497d85f7951fb9aa2e48eb9c59f88d09435685bd00b4c
|
|
`CAddrMan::ResetI2PPorts()` was temporary. Remove it:
* it has partially achieved its goal: probably ran on about half of the
I2P nodes
* it is hackish, deemed risky and two bugs where found in it
https://github.com/bitcoin/bitcoin/issues/22467
https://github.com/bitcoin/bitcoin/issues/22470
-BEGIN VERIFY SCRIPT-
git show e0a2b390c144e123e2fc8a289fdff36815476964 |git apply -R
-END VERIFY SCRIPT-
Fixes https://github.com/bitcoin/bitcoin/issues/22467
Fixes https://github.com/bitcoin/bitcoin/issues/22470
|
|
Negative `nNew` or `nTried` are not possible during normal operation.
So, if we read such values during unserialize, report addrman
corruption.
Fixes https://github.com/bitcoin/bitcoin/issues/22450
|
|
This is a temporary change to convert I2P addresses that have propagated
with port 8333 to ones with port 0.
It would cause a problem some day if indeed some bitcoin software is
listening on port 8333 only and rejects connections to port 0 and we are
still using SAM 3.1 which only supports port 0. In this case we would
replace 8333 with 0 and try to connect to such nodes.
This commit should be included in 22.0 and be reverted before 23.0 is
released.
|
|
00b875ba9414463d0041da6924fd9b54d6a06dee addrman: remove invalid addresses when unserializing (Vasil Dimov)
bdb62096f0109b2ec76849d33d6cf7187dea299f fuzz: reduce possible networks check (Vasil Dimov)
a164cd3ba694ffeba03b2887a411b7f82f6c087e net: simplify CNetAddr::IsRoutable() (Vasil Dimov)
Pull request description:
* Simplify some code, now that we know `CNetAddr::IsRFC4193()` and `CNetAddr::IsTor()` cannot be `true` at the same time.
* Drop Tor v2 addresses when loading addrman from `peers.dat` - they would have been loaded as dummy-all-zeros IPv6 addresses and linger in addrman, wasting space.
ACKs for top commit:
sipa:
ACK 00b875ba9414463d0041da6924fd9b54d6a06dee. Reviewed the code, and tested with -DDEBUG_ADDRMAN (unit tests + mainnet run with peers.dat that contained v2 onions).
laanwj:
Code review and lightly tested ACK 00b875ba9414463d0041da6924fd9b54d6a06dee
jonatack:
ACK 00b875ba9414463d0041da6924fd9b54d6a06dee reviewed, debug-built with -DEBUG_ADDRMAN rebased to current master, restarted node on mainnet/signet/testnet and verified that on each chain -addrinfo shows no change in address counts (as expected). Added some sanity check asserts, rebuilt/re-ran test. Checked that the new test fails on master with "test/addrman_tests.cpp(824): error: in "addrman_tests/remove_invalid": check addrman.size() == 2 has failed [4 != 2]"
jarolrod:
ACK 00b875ba9414463d0041da6924fd9b54d6a06dee
Tree-SHA512: 6ed8e6745134b1b94fffaba28482de909ea39483b46b7f57bda61cdbae7a51251d15cb674de3631772fbeabe153d77a19269f96e62a89102a2d5c01e48f0ba06
|
|
|
|
|
|
Co-authored-by: John Newbery <john@johnnewbery.com>
|
|
Co-authored-by: John Newbery <john@johnnewbery.com>
|
|
|
|
This change improves readability, and follows Developer Notes.
|
|
Change in the addrman.h header is move-only.
|
|
The Tor v2 addresses, left over from when Tor v2 was supported will be
unserialized as a dummy, invalid `::` (all zeros) IPv6 address. Remove
them so that they do not take up space in addrman.
|
|
`CAddrMan` uses `std::map` internally even though it does not require
that the map's elements are sorted. `std::map`'s access time is
`O(log(map size))`. `std::unordered_map` is more suitable as it has a
`O(1)` access time.
This patch lowers the execution times of `CAddrMan`'s methods as follows
(as per `src/bench/addrman.cpp`):
```
AddrMan::Add(): -3.5%
AddrMan::GetAddr(): -76%
AddrMan::Good(): -0.38%
AddrMan::Select(): -45%
```
|
|
Easy to verify with `git diff --color-moved=dimmed-zebra`.
|
|
|
|
|
|
|
|
Thanks to Vasil Dimov <vd@FreeBSD.org> for these suggestions
|
|
Thanks to Vasil Dimov <vd@FreeBSD.org> for these suggestions
|
|
|
|
Only rebucket if the asmap checksum has changed, not if the file format
has changed but no asmap is provided.
Also, don't try to add an entry to another bucket if it already appears
in ADDRMAN_NEW_BUCKETS_PER_ADDRESS buckets.
|
|
Version implies that higher numbers take precendence. This is really a
checksum, to check whether the provided asmap is the same as the one
used when the peers.dat file was serialized.
Also update the comments to explain where/why this is used.
|
|
|
|
An addrman entry can appear in up to 8 new table buckets. We store this
entry->bucket indexing during shutdown so that on restart we can restore
the entries to their correct buckets.
Commit ec45646de9e62b3d42c85716bfeb06d8f2b507dc broke the
deserialization code so that each entry could only be put in up to one
new bucket. Fix that.
|
|
0bfce9dc46234b196a8b3679c21d6f8455962495 [addrman] Fix Connected() comment (John Newbery)
eefe19471868ef0cdc9d32473d0b57015e7647ee [net] Consolidate logic around calling CAddrMan::Connected() (John Newbery)
Pull request description:
Currently, the logic around whether we called CAddrMan::Connected() for
a peer is spread between verack processing (where we discard inbound
peers) and FinalizeNode (where we discard misbehaving and
block-relay-only peers). Consolidate that logic to a single place.
Also remove the CNode.fCurrentlyConnected bool, which is now
redundant. We can rely on CNode.fSuccessfullyConnected, since the two
bools were only ever flipped to true in the same place.
ACKs for top commit:
mzumsande:
Code review ACK 0bfce9dc46234b196a8b3679c21d6f8455962495
amitiuttarwar:
code review ACK 0bfce9dc46. nice tidy, and bonus that we get to remove an unnecessary call to `cs_main`
Tree-SHA512: 1ab74dae3bc12a6846da57c853033e546bb4f91caa39f4c50bf0cf7eca59cb917bdb2ef795da55363e7e9f70949cb28bb3be004cb3afa4389f970d2fe097d932
|
|
Even though the format of `peers.dat` was changed in an incompatible
way (old software versions <0.21 cannot understand the new file format),
it is not guaranteed that old versions will fail to parse it. There is a
chance that old versions parse its contents as garbage and use it.
Old versions expect the "key size" field to be 32 and fail the parsing
if it is not. Thus, we put something other than 32 in it. This will make
versions between 0.11.0 and 0.20.1 deterministically fail on the new
format. Versions prior to https://github.com/bitcoin/bitcoin/pull/5941
(<0.11.0) will still parse it as garbage.
Also, introduce a way to increment the `peers.dat` format in a way that
does not necessary make older versions refuse to read it.
|
|
|
|
Change the serialization of `CAddrMan` to serialize its addresses
in ADDRv2/BIP155 format by default. Introduce a new `CAddrMan` format
version (3).
Add support for ADDRv2 format in `CAddress` (un)serialization.
Co-authored-by: Carl Dong <contact@carldong.me>
|
|
CAddrMan.GetAddr() would previously limit the number and percentage of
addresses returned (to ADDRMAN_GETADDR_MAX (1000) and
ADDRMAN_GETADDR_MAX_PCT (23) respectively). Instead, make it the callers
responsibility to specify the maximum addresses and percentage they want
returned.
For net_processing, the maximums are MAX_ADDR_TO_SEND (1000) and
MAX_PCT_ADDR_TO_SEND (23). For rpc/net, the maximum is specified by the
client.
|
|
|
|
- move asmap #includes to sorted positions in addrman and init (move-only)
- remove redundant quotes in asmap InitError, update test
- remove full stops from asmap logging to be consistent with debug logging,
update tests
|
|
3c1bc40205a3fcab606e70b0e3c13d68b2860e34 Add extra logging of asmap use and bucketing (Gleb Naumenko)
e4658aa8eaf1629dd5af8cf7b9717a8e72028251 Return mapped AS in RPC call getpeerinfo (Gleb Naumenko)
ec45646de9e62b3d42c85716bfeb06d8f2b507dc Integrate ASN bucketing in Addrman and add tests (Gleb Naumenko)
8feb4e4b667361bf23344149c01594abebd56fdb Add asmap utility which queries a mapping (Gleb Naumenko)
Pull request description:
This PR attempts to solve the problem explained in #16599.
A particular attack which encouraged us to work on this issue is explained here [[Erebus Attack against Bitcoin Peer-to-Peer Network](https://erebus-attack.comp.nus.edu.sg/)] (by @muoitranduc)
Instead of relying on /16 prefix to diversify the connections every node creates, we would instead rely on the (ip -> ASN) mapping, if this mapping is provided.
A .map file can be created by every user independently based on a router dump, or provided along with the Bitcoin release. Currently we use the python scripts written by @sipa to create a .map file, which is no larger than 2MB (awesome!).
Here I suggest adding a field to peers.dat which would represent a hash of asmap file used while serializing addrman (or 0 for /16 prefix legacy approach).
In this case, every time the file is updated (or grouping method changed), all buckets will be re-computed.
I believe that alternative selective re-bucketing for only updated ranges would require substantial changes.
TODO:
- ~~more unit tests~~
- ~~find a way to test the code without including >1 MB mapping file in the repo.~~
- find a way to check that mapping file is not corrupted (checksum?)
- comments and separate tests for asmap.cpp
- make python code for .map generation public
- figure out asmap distribution (?)
~Interesting corner case: I’m using std::hash to compute a fingerprint of asmap, and std::hash returns size_t. I guess if a user updates the OS to 64-bit, then the hash of asap will change? Does it even matter?~
ACKs for top commit:
laanwj:
re-ACK 3c1bc40205a3fcab606e70b0e3c13d68b2860e34
jamesob:
ACK 3c1bc40205a3fcab606e70b0e3c13d68b2860e34 ([`jamesob/ackr/16702.3.naumenkogs.p2p_supplying_and_using`](https://github.com/jamesob/bitcoin/tree/ackr/16702.3.naumenkogs.p2p_supplying_and_using))
jonatack:
ACK 3c1bc40205a3fcab606e70b0e3c13d68b2860e34
Tree-SHA512: e2dc6171188d5cdc2ab2c022fa49ed73a14a0acb8ae4c5ffa970172a0365942a249ad3d57e5fb134bc156a3492662c983f74bd21e78d316629dcadf71576800c
|
|
-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
|
|
-BEGIN VERIFY SCRIPT-
# Delete outdated alias for RecursiveMutex
sed -i -e '/CCriticalSection/d' ./src/sync.h
# Replace use of outdated alias with RecursiveMutex
sed -i -e 's/CCriticalSection/RecursiveMutex/g' $(git grep -l CCriticalSection)
-END VERIFY SCRIPT-
|
|
|
|
-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
|
|
Instead of using /16 netgroups to bucket nodes in Addrman for connection
diversification, ASN, which better represents an actor in terms
of network-layer infrastructure, is used.
For testing, asmap.raw is used. It represents a minimal
asmap needed for testing purposes.
|
|
After 40 minutes, time out a test-before-evict entry and just evict without
testing. Otherwise, if we were unable to test an entry for some reason, we
might break using feelers altogether.
|
|
|
|
|
|
-BEGIN VERIFY SCRIPT-
mkdir -p src/util
git mv src/util.h src/util/system.h
git mv src/util.cpp src/util/system.cpp
git mv src/utilmemory.h src/util/memory.h
git mv src/utilmoneystr.h src/util/moneystr.h
git mv src/utilmoneystr.cpp src/util/moneystr.cpp
git mv src/utilstrencodings.h src/util/strencodings.h
git mv src/utilstrencodings.cpp src/util/strencodings.cpp
git mv src/utiltime.h src/util/time.h
git mv src/utiltime.cpp src/util/time.cpp
sed -i 's/<util\.h>/<util\/system\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
sed -i 's/<utilmemory\.h>/<util\/memory\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
sed -i 's/<utilmoneystr\.h>/<util\/moneystr\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
sed -i 's/<utilstrencodings\.h>/<util\/strencodings\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
sed -i 's/<utiltime\.h>/<util\/time\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp')
sed -i 's/BITCOIN_UTIL_H/BITCOIN_UTIL_SYSTEM_H/g' src/util/system.h
sed -i 's/BITCOIN_UTILMEMORY_H/BITCOIN_UTIL_MEMORY_H/g' src/util/memory.h
sed -i 's/BITCOIN_UTILMONEYSTR_H/BITCOIN_UTIL_MONEYSTR_H/g' src/util/moneystr.h
sed -i 's/BITCOIN_UTILSTRENCODINGS_H/BITCOIN_UTIL_STRENCODINGS_H/g' src/util/strencodings.h
sed -i 's/BITCOIN_UTILTIME_H/BITCOIN_UTIL_TIME_H/g' src/util/time.h
sed -i 's/ util\.\(h\|cpp\)/ util\/system\.\1/g' src/Makefile.am
sed -i 's/utilmemory\.\(h\|cpp\)/util\/memory\.\1/g' src/Makefile.am
sed -i 's/utilmoneystr\.\(h\|cpp\)/util\/moneystr\.\1/g' src/Makefile.am
sed -i 's/utilstrencodings\.\(h\|cpp\)/util\/strencodings\.\1/g' src/Makefile.am
sed -i 's/utiltime\.\(h\|cpp\)/util\/time\.\1/g' src/Makefile.am
sed -i 's/-> util ->/-> util\/system ->/' test/lint/lint-circular-dependencies.sh
sed -i 's/src\/util\.cpp/src\/util\/system\.cpp/g' test/lint/lint-format-strings.py test/lint/lint-locale-dependence.sh
sed -i 's/src\/utilmoneystr\.cpp/src\/util\/moneystr\.cpp/g' test/lint/lint-locale-dependence.sh
sed -i 's/src\/utilstrencodings\.\(h\|cpp\)/src\/util\/strencodings\.\1/g' test/lint/lint-locale-dependence.sh
sed -i 's/src\\utilstrencodings\.cpp/src\\util\\strencodings\.cpp/' build_msvc/libbitcoinconsensus/libbitcoinconsensus.vcxproj
-END VERIFY SCRIPT-
|
|
guarded by CAddrMan.cs
3e9f6c821b Add missing locks and locking annotations for CAddrMan (practicalswift)
Pull request description:
* Add Clang thread safety annotations for variables guarded by `CAddrMan.cs `
* Add missing `CAddrMan.cs ` locks
Tree-SHA512: c78d56d56eb63a4469333c04c95317545a8f97d5e3a36ff2699ee4a91a6433d416221eed6c5ff168e1e31f6936c2ae101a4c60b635f2b2309f40e3d66a727322
|
|
|
|
|
|
-BEGIN VERIFY SCRIPT-
sed --in-place'' --regexp-extended 's/[[:space:]]+$//g' $(git grep -I --files-with-matches --extended-regexp '[[:space:]]+$' -- src test ':!*.svg' ':!src/crypto/sha256_sse4*' ':!src/leveldb' ':!src/qt/locale' ':!src/secp256k1' ':!src/univalue')
-END VERIFY SCRIPT-
|