793290f940a9af18d4f0292a263d976a066dff65 Net: Fixed a race condition when disabling the network. (lmanners)
Pull request description:
This change addresses a race condition where setnetworkactive=false wouldn't always disconnect all peers.
Before this change, the following could happen:
1. Thread A -- Begins connecting to a node.
2. Thread B -- Sets kNetworkActive=false and disconnects connected nodes.
3. Thread A -- Finishes connecting and adds node to list of connected nodes.
The node that was connected from Thread A remains connected and active,
even though kNetworkActive=false.
To fix the race, disconnections when kNetworkActive=false are now handled in the main network loop.
fixes#13038
Tree-SHA512: 6d0b7a78ae956358e796efcc034cb532c2e0d824a52ae822a3899eefc7df76327519d1f2d77362c9fddf34ef860abd095d7490d7cc02d0ba7543bf1e8c8f2535
de23739b22 test: Fix rpc_net.py "pong" race condition (Ben Woosley)
Pull request description:
Prior to this change, the test fails with KeyError if pong has
a zero value at the time this is called, as getpeerinfo's
bytesrecv_per_msg result excludes zero-values.
Combined these to a single wait_until as well, which will be a bit more
forgiving re the timeout while still enforcing the same 2 seconds
overall.
https://ci.appveyor.com/project/DrahtBot/bitcoin/builds/21310881#L62
Tree-SHA512: dc60f95a0e139c104fd81c8a7e0c9b3c25907de26c9d4e5976ae490e8ed5db0f0c492cd0e996ef6b5eb02cae82a62d4551ed36f95601871b19472050b3247bc0
d9ab0ffa386f2dd8d05852563d5011b3cb501df8 [qa] Fix race condition in example_test.py (Suhas Daftuar)
Pull request description:
There's a race between sending a getdata for a bunch of blocks with the node receiving those blocks from a peer, which could cause test failure. Fix this.
ACKs for top commit:
MarcoFalke:
ACK d9ab0ffa386f2dd8d05852563d5011b3cb501df8
laanwj:
ACK d9ab0ffa386f2dd8d05852563d5011b3cb501df8
promag:
ACK d9ab0ffa386f2dd8d05852563d5011b3cb501df8.
Tree-SHA512: c891f209eb2492f44e47da52ee6df950ff874ae26d2739011aca940d1caff6cedbac032b6509adbed07044c14fd711ba9d4d0e35c0f70bb2691f2ea4a46672ed
We now have hundreds of MN connections due to the new intra quorum connections,
which means having a limiting semaphore here doesn't make sense anymore. It
actually causes DKG and signing failures as not all necessary connections
can be established.
Masternode connections are still implicitely limited as there is always
only a limited set of LLMQs active.
3f72d04e29caf247a3fee92f86fe0d250d578914 Fix parameter count check for importpubkey. (Kristaps Kaupe)
Pull request description:
Found this while working on #13464. Parameter count check for `importpubkey` was wrong.
Tree-SHA512: aba41b666c6493379f320be5e3e438a6cad1a96429102ff4428c092c48f29c2eead2195792c0b018296f20e1c42eb091dd5b9886c42cecbb1f0d03d5def14705
86edf4a2a502416ba8d6cebbce61030992f7ff6f expose CBlockIndex::nTx in getblock(header) (Gregory Sanders)
Pull request description:
Recent publication of a weakness in Bitcoin's merkle tree construction demonstrates many SPV applications vulnerable to an expensive to pull off yet still plausible attack: https://bitslog.wordpress.com/2018/06/09/leaf-node-weakness-in-bitcoin-merkle-tree-design/
Including the coinbase in the txoutproof seems the most effective fix, however results in a significant efficiency downgrade. Transactors will not even know a priori what the size of their proof will be within a couple orders of magnitude, unless they use the mid-state of SHA2 as detailed in the blog post.
Some applications, like Elements blockchain platform that take SPV-style proofs have optional access to a bitcoind to verify these proofs of inclusion and check depth in the chain. Returning `CBlockIndex::nTx` would allow an extremely easy and compact way of checking the depth of the tree, with no additional overhead to the codebase, and works with pruned nodes.
`getblockheader` is arguably not the place for it, but as mentioned before, is a natural workflow for us checking depth of a block in a possibly pruned node.
We should also ensure that `verifytxoutproof` ends up validating this depth fact as well, but left this for another PR.
Tree-SHA512: af4cf48e704c6088f8da06a477fda1aaa6f8770cee9b876c4465d1075966d6a95831a88817673fe5a0d6bbcdc1ffcbc1892e2be0d838c60fc6958d33eacdcc14
ddebde7 Add Windows shutdown handler (Chun Kuan Lee)
Pull request description:
Exit properly when clicked the red X of Windows Console
Tree-SHA512: f030edd08868390662b42abfa1dc6bd702166c6c19f5b1f8e7482e202451e79fb6f37ea672c26c2eb0d32c367bfca86160fbee624696c53828f280b7070be6a0
fae7b14a04 qa: Make TestNodeCLI command optional in send_cli (MarcoFalke)
ffffb10a9f qa: Rename cli.args to cli.options (MarcoFalke)
Pull request description:
Makes the `command` optional, since there are valid bitcoin-cli calls that have no `command`:
* `bitcoin-cli -?`
* `bitcoin-cli -getinfo`
* ...
Also, rename self.args to self.options, since that is the name in the `bitcoin-cli -help` documentation.
Tree-SHA512: f49c06024e78423301d70782946d47c0fb97a26876afba0a1f71ed329f5d7124aee4c2df520c7af74079bf9937851902f7be9c54abecc28dc29274584804d46c
49e5f3f rpc: Add deprecation error for `getinfo` (Wladimir J. van der Laan)
Pull request description:
Add a short informative deprecation message when users use `getinfo`, that points them to the new calls
here to get the different information fields.
This is meant to be temporary, for one release only.
Tree-SHA512: 4fccd8853762d0740d051d9e74cdea5ad6f8d5c0ba67d69e8dd2ac8a1538d8270c1a1fab755d9f052ff3b3677753b09138c8c5ca0bc92d156de90413cd5c1814
ac96e788fa test_runner: Readable output if create_cache.py fails (Russell Yanofsky)
Pull request description:
Without this change, create_cache.py process output is shown as a byte() object
with \n escapes in a single line that is hard to read.
Tree-SHA512: 49cd0fff037c03f558e31a1281712cc4419df6c4ed8b342057a3d54ab6b31180e1a23cb586686952d81b8add5bec07844efa8cdf16ad20f40cc903a19437fda5
873beca6d [tests] Rename NodeConn and NodeConnCB (John Newbery)
Pull request description:
Final step in #11518
NodeConn -> P2PConnection
NodeConnCB -> P2PInterface
This is basically just a rename. Should be an easy review.
Tree-SHA512: fe1204b2b3d8182c5e324ffa7cb4099a47ef8536380e0bb9d37a5fccf76a24f548d1f1a7988ab8f830986a3058b670696de3fc891af5e5f75dbeb4e3273005d7
46ce223d1 Add tests for CMerkleBlock usage with txids specified (James O'Beirne)
5ab586f90 Consolidate CMerkleBlock constructor into a single method (James O'Beirne)
Pull request description:
What started as a simple task to add test coverage ended up giving way to a light refactoring. This consolidates the mostly-identical `CMerkleBlock` constructors into one (using C++11 constructor delegation) and adds coverage for the by-txids construction case.
### Before
### After
Tree-SHA512: eed84ed3e8bfc43473077b575c8252759a857e37275e4b36ca7cc2c17a65895e5f494bfd9d4aeab09fc6e98fc6a9c641ac7ecc0ddbeefe01a9e4308e7909e529
fa013664ae23d0682a195b9bded85bc19c99536e util: Add type safe GetTime (MarcoFalke)
Pull request description:
There are basically two ways to get the time in Bitcoin Core:
* get the system time (via `GetSystemTimeInSeconds` or `GetTime{Millis,Micros}`)
* get the mockable time (via `GetTime`)
Both return the same type (a plain int). This can lead to (test-only) bugs such as 99464bc38e.
Fix that by deprecating `GetTime` and adding a `GetTime<>` that returns the mockable time in a non-int type. The new util function is currently unused, but new code should it where possible.
ACKs for commit fa0136:
promag:
utACK fa013664.
Tree-SHA512: efab9c463f079fd8fd3030c479637c7b1e8be567a881234bd0f555c8f87e518e3b43ef2466128103db8fc40295aaf24e87ad76d91f338c631246fc703477e95c
