9d9a7458a2 assumeutxo: Remove BLOCK_ASSUMED_VALID flag (Ryan Ofsky)
ef174e9ed2 test: assumeutxo snapshot block CheckBlockIndex crash test (Ryan Ofsky)
0391458d76 test: assumeutxo stale block CheckBlockIndex crash test (Ryan Ofsky)
ef29c8b662 assumeutxo: Get rid of faked nTx and nChainTx values (Ryan Ofsky)
9b97d5bbf9 doc: Improve comments describing setBlockIndexCandidates checks (Ryan Ofsky)
0fd915ee6b validation: Check GuessVerificationProgress is not called with disconnected block (Ryan Ofsky)
63e8fc912c ci: add getchaintxstats ubsan suppressions (Ryan Ofsky)
f252e687ec assumeutxo test: Add RPC test for fake nTx and nChainTx values (Ryan Ofsky)
Pull request description:
The `PopulateAndValidateSnapshot` function introduced in f6e2da5fb7 from #19806 has been setting fake `nTx` and `nChainTx` values that can show up in RPC results (https://github.com/bitcoin/bitcoin/issues/29328) and make `CBlockIndex` state hard to reason about, because it is difficult to know whether the values are real or fake.
Revert to previous behavior of setting `nTx` and `nChainTx` to 0 when the values are unknown, instead of faking them. Also drop no-longer needed `BLOCK_ASSUMED_VALID` flag.
Dropping the faked values also fixes assert failures in the `CheckBlockIndex` `(pindex->nChainTx == pindex->nTx + prev_chain_tx)` check that could happen previously if forked or out-of-order blocks before the snapshot got submitted while the snapshot was being validated. The PR includes two commits adding tests for these failures and describing them in detail.
Compatibility note: This change could cause new `-checkblockindex` failures if a snapshot was loaded by a previous version of Bitcoin Core and not fully validated, because fake `nTx` values will have been saved to the block index. It would be pretty easy to avoid these failures by adding some compatibility code to `LoadBlockIndex` and changing `nTx` values from 1 to 0 when they are fake (when `(pindex->nStatus & BLOCK_VALID_MASK) < BLOCK_VALID_TRANSACTIONS`), but a little simpler not to worry about being compatible in this case.
ACKs for top commit:
Sjors:
re-ACK 9d9a7458a2
achow101:
ACK 9d9a7458a2
mzumsande:
Tested ACK 9d9a7458a2
maflcko:
ACK 9d9a7458a2🎯
Tree-SHA512: b1e1e2731ec36be30d5f5914042517219378fc31486674030c29d9c7488ed83fb60ba7095600f469dc32f0d8ba79c49ff7706303006507654e1762f26ee416e0
dfcef536d0 blockstorage: do not flush block to disk if it is already there (Matthew Zipkin)
Pull request description:
Closes https://github.com/bitcoin/bitcoin/issues/2039
When reindexing from flat-file block storage there is no need to write anything back to disk, since the block data is already there. This PR skips flushing to disk those blocks that already have a known position in the datastore. Skipping this means that users can write-protect the `blk` files on disk which may be useful for security or even safely sharing that data between multiple bitcoind instances.
`FindBlockPos()` may also flush the undo data file, but again this is skipped if the corresponding block position is known, like during the initial stage of a reindex when block data is being indexed. Once the block index is complete the validation mechanism will call `ConnectBlock()` which will save undo data at that time.
The call stack looks like this:
```
init()
ThreadImport() <-- process fReindex flag
LoadExternalBlockFile()
AcceptBlock()
SaveBlockToDisk()
FindBlockPos()
FlushBlockFile() <-- unnecessary if block is already on disk
```
A larger refactor of this part of the code was started by mzumsande here: https://github.com/mzumsande/bitcoin/tree/202207_refactor_findblockpos including this fix, reviewers can let me know if the changes should be combined.
ACKs for top commit:
sipa:
utACK dfcef536d0
mzumsande:
re-ACK dfcef536d0
achow101:
ACK dfcef536d0
furszy:
Rebase diff ACK dfcef53.
Tree-SHA512: 385c5ac1288b325135398d0ddd3ab788fa98cc0ca19bd2474c74039f2ce70d5088c1d1c9d4dd10aefcbd4c757767ec5805d07ba8cee9289a66f96e6f9eaa5279
2f23987849 test: p2p: check limited peers desirability (depending on best block depth) (Sebastian Falbesoner)
c4a67d396d test: p2p: check disconnect due to lack of desirable service flags (Sebastian Falbesoner)
405ac819af test: p2p: support disconnect waiting for `add_outbound_p2p_connection` (Sebastian Falbesoner)
Pull request description:
This PR adds missing test coverage for disconnecting peers which don't offer the desirable service flags in their VERSION message:
5f3a0574c4/src/net_processing.cpp (L3384-L3389)
This check is relevant for the connection types "outbound-full-relay", "block-relay-only" and "addr-fetch" (see `CNode::ExpectServicesFromConn(...)`). Feeler connections always disconnect, which is also tested here.
In lack of finding a proper file where this test would fit in, I created a new one. Happy to take suggestions there.
ACKs for top commit:
davidgumberg:
reACK 2f23987849
itornaza:
tested ACK 2f23987849
fjahr:
re-utACK 2f23987849
cbergqvist:
re ACK 2f23987849
stratospher:
tested ACK 2f23987. 🚀
Tree-SHA512: cf75d9d4379d0f34fa1e13152e6a8d93cd51b9573466ab3a2fec32dc3e1ac49b174bd1063cae558bc736b111c8a6e7058b1b57a496df56255221bf367d29eb5d
432a542e27 test: fix intermittent failures with test=addrman (Martin Zumsande)
Pull request description:
The `nKey` of the addrman is generated the first time the node is started with an empty `peers.dat`. Therefore, restarting a node or turning it off and on again won't make a previously non-deterministic addrman deterministic.
This could lead to intermittent failures in `feature_asmap.py` and `rpc_net.py`
Fixes#29634
ACKs for top commit:
kevkevinpal:
ACK [432a542](432a542e27)
stratospher:
Tested ACK 432a542e27.
brunoerg:
crACK 432a542e27
0xB10C:
ACK 432a542e27
Tree-SHA512: a8e284baeb0be2df7284b8a2792cb9edc9e2d5b877a3b29ab7277ffdb75b17efa58a4d42576441eb493cd518e7c5ffdb05597b27e42b5001cf1a80e78bb04c83
38f70ba6ac RPC: Add maxfeerate and maxburnamount args to submitpackage (Greg Sanders)
Pull request description:
Resolves https://github.com/bitcoin/bitcoin/issues/28949
I couldn't manage to do it very cleanly outside of (sub)package evaluation itself, since it would change the current interface very heavily. Instead I threaded through the max fee argument and used that directly via ATMPArgs. From that perspective, this is somewhat a reversion from https://github.com/bitcoin/bitcoin/pull/19339. In a post-cluster mempool world, these checks could be consolidated to right after the given (ancestor) package is linearized/chunked, by just checking the feerate of the top chunk and rejecting the submission entirely if the top chunk is too high.
The implication here is that subpackages can be submitted to the mempool prior to hitting this new fee-based error condition.
ACKs for top commit:
ismaelsadeeq:
Re-ACK 38f70ba6ac👍🏾
glozow:
ACK 38f70ba6ac with some non-blocking nits
murchandamus:
LGTM, code review ACK 38f70ba6ac
Tree-SHA512: 38212aa9de25730944cee58b0806a3d37097e42719af8dd7de91ce86bb5d9770b6f7c37354bf418bd8ba571c52947da1dcdbb968bf429dd1dbdf8715315af18f
Add a test for a CheckBlockIndex crash that would happen before previous
"assumeutxo: Get rid of faked nTx and nChainTx values" commit.
The crash was an assert failure in the (pindex->nChainTx == pindex->nTx +
prev_chain_tx) check that would previously happen if the snapshot block was
submitted after loading the snapshot and downloading a few blocks after the
snapshot. In that case ReceivedBlockTransactions() previously would overwrite
the nChainTx value of the submitted snapshot block with a fake value based on
the previous block, so the (pindex->nChainTx == pindex->nTx + prev_chain_tx)
check would later fail on the first block after the snapshot. This test was
originally posted by Martin Zumsande <mzumsande@gmail.com> in
https://github.com/bitcoin/bitcoin/pull/29370#issuecomment-1974096225
Co-authored-by: Martin Zumsande <mzumsande@gmail.com>
Add a test for a CheckBlockIndex crash that would happen before previous
"assumeutxo: Get rid of faked nTx and nChainTx values" commit.
The crash was an assert failure in the (pindex->nChainTx == pindex->nTx +
prev_chain_tx) check that would previously happen if a snapshot was loaded, and
a block was submitted which forked from the chain before the snapshot block and
after the last downloaded background chain block. This block would not be
marked assumed-valid because it would not be an ancestor of the snapshot, and
it would have nTx set, nChainTx unset, and prev->nChainTx set with a fake
value, so the assert would fail. After the fix, prev->nChainTx is unset instead
of being set to a fake value, so the assert succeeds. This test was originally
posted by maflcko in
https://github.com/bitcoin/bitcoin/issues/29261#issuecomment-1918947945
Co-authored-by: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
The `PopulateAndValidateSnapshot` function introduced in
f6e2da5fb7 from #19806 has been setting fake
`nTx` and `nChainTx` values that can show up in RPC results (see #29328) and
make `CBlockIndex` state hard to reason about, because it is difficult to know
whether the values are real or fake.
Revert to previous behavior of setting `nTx` and `nChainTx` to 0 when the
values are unknown, instead of faking them.
This commit fixes at least two assert failures in the (pindex->nChainTx ==
pindex->nTx + prev_chain_tx) check that would happen previously. Tests for
these failures are added separately in the next two commits.
Compatibility note: This change could result in -checkblockindex failures if a
snapshot was loaded by a previous version of Bitcoin Core and not fully
validated, because fake nTx values will have been saved to the block index. It
would be pretty easy to avoid these failures by adding some compatibility code
to `LoadBlockIndex` and changing `nTx` values from 1 to 0 when they are fake
(when `(pindex->nStatus & BLOCK_VALID_MASK) < BLOCK_VALID_TRANSACTIONS`), but a
little simpler not to worry about being compatible in this case.
Add ubsan suppressions for integer overflows in the getchaintxstats RPC.
getchainstatstx line "int nTxDiff = pindex->nChainTx - past_block.nChainTx" can
trigger ubsan integer overflows when assumeutxo snapshots are loaded, from
subtracting unsigned values and assigning the result to a signed int.
The overflow behavior probably exists in current code but is hard to trigger
because it would require calling getchainstatstx at the right time with
specific parameters as background blocks are being downloaded. But the overflow
behavior becomes easier to trigger in the upcoming commit removing fake
nChainTx values, so a suppression needs to be added before then for CI to pass.
getchainstatstx should probably be improved separately in another PR to not
need this suppression, and handle edge cases and missing nChainTx values more
carefully.
5555395c15 lint: Use git --no-pager to print any output in one go (MarcoFalke)
fa5729436c lint: Fix lint-whitespace issues (MarcoFalke)
Pull request description:
The lint check has many issues:
* It uses `COMMIT_RANGE`, which is brittle code, apparently making it harder to run the CI locally, or self-hosted. See https://github.com/bitcoin/bitcoin/pull/29274#discussion_r1457739319
* The result depends on `COMMIT_RANGE`, or the number of commits passed to the script, which can cause false negatives or false positives.
* It is based on the diff output, parsing it, and printing it again, which is brittle as well.
* The output does not include line number, making it harder to act on a lint error.
Fix all issues by removing the script and replacing it with a simple call to `git grep -I --line-number ...`.
ACKs for top commit:
TheCharlatan:
Re-ACK 5555395c15
Tree-SHA512: 71ea8b6382af064beb72fb17f21a0ae9e9238c97e7fa43c2ec353fd1dd73a7bbd696ba0f0a9f65d1eff7c86cbf6cc104a992cb5450a3d50f122955e835270065
bf264e0598 test: check_mempool_result negative feerate (kevkevin)
Pull request description:
Adds test coverage in `mempool_accept.py` to check if a negative `maxfeerate` is input into `check_mempool_result`
Asserts "Amount out of range" error message and `-3` error code
Motivated by this [comment](https://github.com/bitcoin/bitcoin/pull/29434/files#r1491112250)
ACKs for top commit:
maflcko:
lgtm ACK bf264e0598
brunoerg:
nice, utACK bf264e0598
davidgumberg:
Looks great, ACK bf264e0598
Tree-SHA512: 58931b774cc887c616f2fd91af3ee65cc5db55acd8e2875c76de448c80bd4e020b057c5f4f85556431377f0d0e7553771fb285d1ec20cf64f64ec92a47776b78
0831b54dfc test: simplify test_runner.py (tdb3)
Pull request description:
Implements the simplifications to test_runner.py proposed by sipa in PR #23995.
Remove the num_running variable as it can be implied by the length of the jobs list.
Remove the i variable as it can be implied by the length of the test_results list.
Instead of counting results to determine if finished, make the queue object itself
responsible (by looking at running jobs and jobs left).
ACKs for top commit:
mzumsande:
re-ACK 0831b54
davidgumberg:
reACK 0831b54dfc
marcofleon:
re-ACK 0831b54dfc
Tree-SHA512: e5473e68d49cd779b29d97635329283ae7195412cb1e92461675715ca7eedb6519a1a93ba28d40ca6f015d270f7bcd3e77cef279d9cd655155ab7805b49638f1
1ec6684b08 test: Add test for loadtxoutset when headers are not synced (Fabian Jahr)
2bc1ecfaa9 test: Remove unnecessary sync_blocks in assumeutxo tests (Fabian Jahr)
Pull request description:
It adds a test for the change to `loadtxoutset` made in #29345. Before that change the test doesn't fail right away but times out after 10 minutes.
Also removes a `sync_blocks` call that didn't seem to do anything valuable.
ACKs for top commit:
achow101:
ACK 1ec6684b08
pablomartin4btc:
tACK 1ec6684b08
BrandonOdiwuor:
ACK 1ec6684b08
theStack:
ACK 1ec6684b08
Tree-SHA512: 1337decdf91e4a4f7213fcf8ace1d705e5c1422e0ac3872a59b5be9c33e743850cb8f5f7474750a534952eefd5cfe43fe85a54efb9bc0e47515136a2903676e5
And thread the feerate value through ProcessNewPackage to
reject individual transactions that exceed the given
feerate. This allows subpackage processing, and is
compatible with future package RBF work.
567cec9a05 doc: add release notes and help text for unix sockets (Matthew Zipkin)
bfe5192891 test: cover UNIX sockets in feature_proxy.py (Matthew Zipkin)
c65c0d0163 init: allow UNIX socket path for -proxy and -onion (Matthew Zipkin)
c3bd43142e gui: accomodate unix socket Proxy in updateDefaultProxyNets() (Matthew Zipkin)
a88bf9dedd i2p: construct Session with Proxy instead of CService (Matthew Zipkin)
d9318a37ec net: split ConnectToSocket() from ConnectDirectly() for unix sockets (Matthew Zipkin)
ac2ecf3182 proxy: rename randomize_credentials to m_randomize_credentials (Matthew Zipkin)
a89c3f59dc netbase: extend Proxy class to wrap UNIX socket as well as TCP (Matthew Zipkin)
3a7d6548ef net: move CreateSock() calls from ConnectNode() to netbase methods (Matthew Zipkin)
74f568cb6f netbase: allow CreateSock() to create UNIX sockets if supported (Matthew Zipkin)
bae86c8d31 netbase: refactor CreateSock() to accept sa_family_t (Matthew Zipkin)
adb3a3e51d configure: test for unix domain sockets (Matthew Zipkin)
Pull request description:
Closes https://github.com/bitcoin/bitcoin/issues/27252
UNIX domain sockets are a mechanism for inter-process communication that are faster than local TCP ports (because there is no need for TCP overhead) and potentially more secure because access is managed by the filesystem instead of serving an open port on the system.
There has been work on [unix domain sockets before](https://github.com/bitcoin/bitcoin/pull/9979) but for now I just wanted to start on this single use-case which is enabling unix sockets from the client side, specifically connecting to a local Tor proxy (Tor can listen on unix sockets and even enforces strict curent-user-only access permission before binding) configured by `-onion=` or `-proxy=`
I copied the prefix `unix:` usage from Tor. With this patch built locally you can test with your own filesystem path (example):
`tor --SocksPort unix:/Users/matthewzipkin/torsocket/x`
`bitcoind -proxy=unix:/Users/matthewzipkin/torsocket/x`
Prep work for this feature includes:
- Moving where and how we create `sockaddr` and `Sock` to accommodate `AF_UNIX` without disturbing `CService`
- Expanding `Proxy` class to represent either a `CService` or a UNIX socket (by its file path)
Future work:
- Enable UNIX sockets for ZMQ (https://github.com/bitcoin/bitcoin/pull/27679)
- Enable UNIX sockets for I2P SAM proxy (some code is included in this PR but not tested or exposed to user options yet)
- Enable UNIX sockets on windows where supported
- Update Network Proxies dialog in GUI to support UNIX sockets
ACKs for top commit:
Sjors:
re-ACK 567cec9a05
tdb3:
re ACK for 567cec9a05.
achow101:
ACK 567cec9a05
vasild:
ACK 567cec9a05
Tree-SHA512: de81860e56d5de83217a18df4c35297732b4ad491e293a0153d2d02a0bde1d022700a1131279b187ef219651487537354b9d06d10fde56225500c7e257df92c1
Remove the num_running variable as it can be implied by the
length of the jobs list.
Remove the i variable as it can be implied by the length of the
test_results list.
Instead of counting results to determine if finished, make the
queue object itself responsible (by looking at running jobs and
jobs left).
Originally proposed by @sipa in PR #23995.
Co-authored-by: Pieter Wuille <pieter@wuille.net>
The nKey of the addrman is generated the first time the node is
started. Therefore, restarting a node or turning it off and on
again won't make a previously non-deterministic addrman
deterministic.
Co-authored-by: 0xb10c <b10c@b10c.me>
e710cefd57 rest: read raw block in rest_block and deserialize for json (Andrew Toth)
95ce0783a6 rpc: read raw block in getblock and deserialize for verbosity > 0 (Andrew Toth)
0865ab8712 test: check more details on zmq raw block response (Andrew Toth)
38265cc14e zmq: read raw block with ReadRawBlockFromDisk (Andrew Toth)
da338aada7 blockstorage: check nPos in ReadRawBlockFromDisk before seeking back (Andrew Toth)
Pull request description:
For the `getblock` endpoint with `verbosity=0`, the `rest_block` REST endpoint for `bin` and `hex`, and zmq `NotifyBlock` we don't have to deserialize the block since we're just sending the raw data. This PR uses `ReadRawBlockFromDisk` instead of `ReadBlockFromDisk` to serve these requests, and only deserializes for `verbosity > 0` and `json` REST requests. See benchmarks in https://github.com/bitcoin/bitcoin/pull/26684.
Benchmarked using ApacheBench. Requesting block 750,000 in binary 10k times on a single core (set `-rest=1` in config):
`ab -n 10000 -c 1 "http://127.0.0.1:8332/rest/block/0000000000000000000592a974b1b9f087cb77628bb4a097d5c2c11b3476a58e.bin"`
On master, mean time 15ms.
On this branch, mean time 1ms.
For RPC
```
echo '{"jsonrpc": "1.0", "id": "curltest", "method": "getblock", "params": ["0000000000000000000592a974b1b9f087cb77628bb4a097d5c2c11b3476a58e", 0]}' > /tmp/data.json
ab -p /tmp/data.json -n 1000 -c 1 -A user:password "http://127.0.0.1:8332/"
```
On master, mean time 32ms
On this branch, mean time 13ms
ACKs for top commit:
achow101:
re-ACK e710cefd57
Tree-SHA512: 4cea13c7b563b2139d041b1fdcfdb793c8cc688654ae08db07e7ee6b875c5e582b8185db3ae603abbfb06d2164724f29205774620b48c493726b991999af289e
0a533613fb docs: add release notes for #27114 (brunoerg)
e6b8f19de9 test: add coverage for whitelisting manual connections (brunoerg)
c985eb854c test: add option to speed up tx relay/mempool sync (brunoerg)
66bc6e2d17 Accept "in" and "out" flags to -whitelist to allow whitelisting manual connections (Luke Dashjr)
8e06be347c net_processing: Move extra service flag into InitializeNode (Luke Dashjr)
9133fd69a5 net: Move `NetPermissionFlags::Implicit` verification to `AddWhitelistPermissionFlags` (Luke Dashjr)
2863d7dddb net: store `-whitelist{force}relay` values in `CConnman` (brunoerg)
Pull request description:
Revives #17167. It allows whitelisting manual connections. Fixes#9923
Since there are some PRs/issues around this topic, I'll list some motivations/comments for whitelisting outbound connections from them:
- Speed-up tx relay/mempool sync for testing purposes (my personal motivation for this) - In #26970, theStack pointed out that we whitelist peers to speed up tx relay for fast mempool synchronization, however, since it applies only for inbound connections and considering the topology `node0 <--- node1 <---- node2 <--- ... <-- nodeN`, if a tx is submitted from any node other than node0, the mempool synchronization can take quite long.
- https://github.com/bitcoin/bitcoin/pull/29058#issuecomment-1865155764 - "Before enabling -v2transport by default (which I'd image may happen after https://github.com/bitcoin/bitcoin/pull/24748) we could consider a way to force manual connections to be only-v1 or even only-v2 (disabling reconnect-with-v1). A possibility could be through a net permission flag, if https://github.com/bitcoin/bitcoin/pull/27114 makes it in."
- https://github.com/bitcoin/bitcoin/pull/17167#issuecomment-1168606032 - "This would allow us to use https://github.com/bitcoin/bitcoin/pull/25355 when making outgoing connections to all nodes, except to whitelisted ones for which we would use our persistent I2P address."
- Force-relay/mempool permissions for a node you intentionally connected to.
ACKs for top commit:
achow101:
ACK 0a533613fb
sr-gi:
re-ACK [0a53361](0a533613fb)
pinheadmz:
ACK 0a533613fb
Tree-SHA512: 97a79bb854110da04540897d2619eda409d829016aafdf1825ab5515334b0b42ef82f33cd41587af235b3af6ddcec3f2905ca038b5ab22e4c8a03d34f27aebe1
1342a31f3a [functional test] sibling eviction (glozow)
5fbab37859 [unit test] sibling not returned from SingleV3Checks if 1p2c or 3gen (glozow)
170306728a [policy] sibling eviction for v3 transactions (glozow)
b5d15f764f [refactor] return pair from SingleV3Checks (glozow)
Pull request description:
When we receive a v3 transaction that would bust a mempool transaction's descendant limit, instead of rejecting the new tx, consider replacing the other descendant if it is much higher feerate (using existing RBF criteria to assess that it's more incentive compatible and to avoid DoS).
Delving post with more background and motivation: https://delvingbitcoin.org/t/sibling-eviction-for-v3-transactions/472
ACKs for top commit:
sdaftuar:
ACK 1342a31f3a
achow101:
ACK 1342a31f3a
instagibbs:
ACK 1342a31f3a
Tree-SHA512: dd957d49e51db78758f566c49bddc579b72478e371275c592d3d5ba097d20de47a6c81952045021b99d82a787f5b799baf16dd0ee0e6de90ba12e21e275352be
2cc8ca19f4 [test] Use deterministic addrman in addrman info tests (stratospher)
a897866109 [test] Restart a node with empty addrman (stratospher)
71c19915c0 [test] Use deterministic addrman in addpeeraddress test (stratospher)
7b868e6b67 Revert "test: avoid non-determinism in asmap-addrman test" (stratospher)
69e091f3e1 [init] Create deterministic addrman in tests using -test=addrman (stratospher)
be25ac3092 [init] Remove -addrmantest command line arg (stratospher)
802e6e128b [init] Add new command line arg for use only in functional tests (stratospher)
Pull request description:
An address is placed in a `[bucket,position]` in the addrman table (new table or tried table) using the `addpeeraddress` RPC. This `[bucket,position]` is calculated using `nKey`(and other metrics) for the addrman which is chosen randomly during every run.
Supposing there are 2 addresses to be placed in an addrman table. During every test run, a different `[bucket,position]` would be calculated for each address.These calculated `[bucket,position]` could even be the same for the 2 addresses in some test runs and result in collisions in the addrman. We wouldn't be able to predict when the collisions are going to happen because we can't predict the `nKey` value which is chosen at random. This can cause flaky tests.
Because of these non deterministic collisions, we are limited in what we can do to test addrman functionality. Currently in our tests don't add a second address to prevent these collisions from happening - we only keep 1 address in the new table and 1 address in the tried table. See https://github.com/bitcoin/bitcoin/pull/26988#discussion_r1091145647, https://github.com/bitcoin/bitcoin/pull/23084, [#22831(comment)](https://github.com/bitcoin/bitcoin/pull/22831/files#r708302639).
This PR lets us create a deterministic addrman with fixed `nKey` so that we can know the `[bucket,position]` collisions beforehand, safely add more addresses in an addrman table and write more extensive tests.
ACKs for top commit:
amitiuttarwar:
ACK 2cc8ca19f4
achow101:
ACK 2cc8ca19f4
0xB10C:
ACK 2cc8ca19f4
mzumsande:
Code Review ACK 2cc8ca19f4
Tree-SHA512: 8acd9bdfe7de1eb44d22373bf13533d8ecf602df966fdd5b8b78afcd8cc35a286c95d2712f67a89473a0d68dded7d38f5599f6e4bf95a6589475444545bfb189
Adds a new boolean parameter `wait_for_disconnect` to the
`add_outbound_p2p_connection` method. If set, the node under
test is checked to disconnect immediately after receiving the
version message (same logic as for feeler connections).
ecc036c5d6 ci: add --v2transport to an existing CI job (Martin Zumsande)
3a25a575f0 test: ignore --v2transport for older versions instead of asserting (Martin Zumsande)
547aacff08 test: add -v1transport option and use it in test_runner (Martin Zumsande)
Pull request description:
This suggests a strategy to run the functional tests with both v1 and v2 transport in the CI.
**Status Quo:**
There is both the global `--v2transport` option for the `test_runner.py` (not enabled by default), plus the possibility to specify `--v2transport` for particular tests, which is used for a handful of tests. Currently, when running `test_runner.py --v2transport`, these tests are run twice with the same `--v2transport` configuration, as has been noted in https://github.com/bitcoin/bitcoin/pull/29358#discussion_r1485626063, which is wasteful.
**Suggested Change:**
Fix this by adding a `--v1transport` option and using it in `test_runner.py`, so that irrespective of the global `--v2transport` flag, the tests that run twice use v1 in one run and v2 in the other.
Also add `--v2transport` to one CI task (`multiprocess, i686, DEBUG`).
This means, that for each CI task, the majority of functional tests will run once using the global `--v2transport` option if provided, while a few selected tests will always run two times, once with `v1` and once with `v2`.
**Rationale:**
A simpler alternative would have been to remove all test-specific `--v2transport` commands from `test_runner.py` and just enable `--v2transport` option for a few CI tasks. I didn't do that because it would have meant that v2 would never be running in the CI for some platforms, and also be run a lot less locally by users and devs (who would have to actively enable the `--v2transport` option).
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tdb3:
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achow101:
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a951dba3a9 wallet: default wallet migration, modify inconvenient backup filename (furszy)
Pull request description:
Fixes#29584
On default legacy wallets, the backup filename starts with an "-" due to the wallet name being empty. This is inconvenient for systems who treat what follows the initial "-" character as flags.
Note:
As the user can freely set the wallet name to anything, we could also guard the backup filename against other inconvenient characters in the future (we need to be careful here, because the wallet name could also be a path).
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c5b5843d8f test: avoid requesting blocks beyond limited peer threshold (furszy)
2f6a05512f p2p: sync from limited peer, only request blocks below threshold (furszy)
73127722a2 refactor: Make FindNextBlocks friendlier (furszy)
Pull request description:
Even when the node believes it has IBD completed, need to avoid
requesting historical blocks from network-limited peers.
Otherwise, the limited peer will disconnect right away.
The simplest scenario could be a node that gets synced, drops
connections, and stays inactive for a while. Then, once it re-connects
(IBD stays completed), the node tries to fetch all the missing blocks
from any peer, getting disconnected by the limited ones.
Note:
Can verify the behavior by cherry-picking the test commit alone on
master. It will fail there.
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a3badf75f6 tests: Provide more helpful assert_equal errors (Anthony Towns)
Pull request description:
In the functional tests, we often compare dicts with assert_equal, but the output makes it very hard to tell exactly which entry in the dicts don't match when there are a lot of entries and only minor differences. Change the output to make it clearer.
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5b358cdd1a i2p: log connection was refused due to arbitrary port (brunoerg)
Pull request description:
For I2P, we do not try to connect if port is != 0. However, we do not have anything that indicates it or any error when trying to connect with port != 0. This PR adds a log for it. Also, it improves the functional test. With this log we can ensure the reason we won't connect is the port, in the current test, we cannot ensure it.
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On default legacy wallets, the backup filename starts with an "-" due
to the wallet name being empty. This is inconvenient for systems who
treat what follows the initial "-" character as flags.
53ffd5a410 docs: Fix broken reference to CI setup in test/lint/README.md (naiyoma)
Pull request description:
The current [reference](https://github.com/bitcoin/bitcoin/blob/master/test/ci/lint/04_install.sh
) for CI setup in /test/lint#readme returns a 404.
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e67ab174c9 test: fix flaky wallet_send functional test (Max Edwards)
3c49e69670 test: fix weight estimates in functional tests (Max Edwards)
Pull request description:
Fixes: https://github.com/bitcoin/bitcoin/issues/25164
The wallet_send functional test has been flaky due to a slightly overestimated weight calculation. This PR makes the weight calculation more accurate, although occasionally, due to how ECDSA signatures can be different lengths it might slightly over estimate. The assertion in the test can handle this slight variation and so should continue passing.
Update:
Because the signature can be shorter that is used in the weight estimation or the final transaction the estimate could be both slightly smaller or slightly larger.
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S3RK:
Code review ACK e67ab174c9
Tree-SHA512: 3bf73b355309dce860fa1520afb8461e94268e4bcf0e92a8273c279b41b058c44472cf59daafa15a515529b50bd665b5d498bbe4d934f2315dbe810a05bc73f9
Rather than asserting that the exact fees are the same, check the fee rate rounded to nearest interger. This will account for small differences in fees caused by variability in ECDSA signature lengths.
Updates the weight estimate to be more accurate by removing byte buffers and calculating the length of the count of scriptWitnesses rather than just using the count itself.
