fa77de2baa rpc: Assert that RPCArg names are equal to CRPCCommand ones (misc) (MarcoFalke)
fa50bdc755 rpc: Limit echo to 10 args (MarcoFalke)
fa89ca9b5b refactor: Use C++11 range based for loops to simplify rpc code (MarcoFalke)
fa459bdc87 rpc: Treat all args after a hidden arg as hidden as well (MarcoFalke)
Pull request description:
This is split out from #18531 to just touch the RPC methods in misc. Description from the main pr:
### Motivation
RPCArg names in the rpc help are currently only used for documentation. However, in the future they could be used to teach the server the named arguments. Named arguments are currently registered by the `CRPCCommand`s and duplicate the RPCArg names from the documentation. This redundancy is fragile, and has lead to errors in the past (despite having linters to catch those kind of errors). See section "bugs found" for a list of bugs that have been found as a result of the changes here.
### Changes
The changes here add an assert in the `CRPCCommand` constructor that the RPCArg names are identical to the ones in the `CRPCCommand`.
### Future work
> Here or follow up, makes sense to also assert type of returned UniValue?
Sure, but let's not get ahead of ourselves. I am going to submit any further works as follow-ups, including:
* Removing the CRPCCommand arguments, now that they are asserted to be equal and thus redundant
* Removing all python regex linters on the args, now that RPCMan can be used to generate any output, including the cli.cpp table
* Auto-formatting and sanity checking the RPCExamples with RPCMan
* Checking passed-in json in self-check. Removing redundant checks
* Checking returned json against documentation to avoid regressions or false documentation
* Compile the RPC documentation at compile-time to ensure it doesn't change at runtime and is completely static
### Bugs found
* The assert identified issue #18607
* The changes itself fixed bug #19250
ACKs for top commit:
laanwj:
Code review ACK fa77de2baa
fjahr:
tested ACK fa77de2baa
theStack:
ACK fa77de2baa
ryanofsky:
Code review ACK fa77de2baa. Pretty straightfoward changes
Tree-SHA512: badae1606518c0b55ce2c0bb9025d14f05556532375eb20fd6f3bfadae1e5e6568860bff8599d037e655bf1d23f1f464ca17f4db10a6ab3d502b6e9e61c7b3d3
a51d0ad2de rpc: Improve addnode remove command error message (Fabian Jahr)
Pull request description:
The `addnode` RPC with the `remove` command parameter is used to remove a node from the "added nodes". It did not have test coverage and in case of failure to remove the node it responded with the confusing message "Error: Node has not been added.".
This PR adds test coverage and introduces a new error code as well as changes the error message to something that makes sense.
ACKs for top commit:
laanwj:
Code review ACK a51d0ad2de
theStack:
Tested ACK https://github.com/bitcoin/bitcoin/commit/a51d0ad2de
Tree-SHA512: 033ef5de0d4d49d58ef4df3759b838c9d19ee9dfb0aff9f814a3a63d124ca231a442c930efa7d343fe1f65727c4b59fc23dd5e26fe6ea69f9e84fda48b5c5cc2
37a480e0cd [net] Add addpeeraddress RPC method (John Newbery)
ae8051bbd8 [test] Test that getnodeaddresses() can return all known addresses (John Newbery)
f26502e9fc [addrman] Specify max addresses and pct when calling GetAddresses() (John Newbery)
Pull request description:
Currently addrman only allows a maximum of 1000 records or 23% of all records to be returned in a call to `GetAddr()`. Relax this limit and have the client specify the max records they want. For p2p, behaviour is unchanged (but the rate limiting is set inside net_processing, where it belongs). For RPC, `getnodeaddresses` can now return the complete addrman, which is helpful for testing and monitoring.
Also add a test-only RPC `addpeeraddress`, which adds an IP address:port to addrman. This is helpful for testing (eg #18991).
ACKs for top commit:
naumenkogs:
utACK 37a480e0cd
laanwj:
Code review and lightly manually tested ACK 37a480e0cd
Tree-SHA512: f86dcd410aaebaf6e9ca18ce6f23556e5e4649c1325577213d873aa09967298e65ab2dc19a72670641ae92211a923afda1fe124a82e9d2c1cad73d478ef27fdc
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.
This patch improves performance and resource usage around IP
addresses that are banned for misbehavior. They're already not
actually banned, as connections from them are still allowed,
but they are preferred for eviction if the inbound connection
slots are full.
Stop treating these like manually banned IP ranges, and instead
just keep them in a rolling Bloom filter of misbehaving nodes,
which isn't persisted to disk or exposed through the ban
framework. The effect remains the same: preferred for eviction,
avoided for outgoing connections, and not relayed to other peers.
Also change the name of this mechanism to better reflect reality;
they're not banned, just discouraged.
Contains release notes and several interface improvements by
John Newbery.
d056df033a Replace std::to_string with locale-independent alternative (Ben Woosley)
Pull request description:
Addresses #17866 following practicalswift's suggestion:
https://github.com/bitcoin/bitcoin/issues/17866#issuecomment-584287299
~Used ::ToString to avoid aliasing issues. Left uses in QT and test.~
ACKs for top commit:
practicalswift:
ACK d056df033a
laanwj:
ACK d056df033a
Tree-SHA512: 9e6966a9cdd14f4a1a40d9f0fa7c402aed22b2f1ad8681708e22b050d51a91c5d62220a9ec4c425be2d57acf5c964fca87a5e981b5cbff048bc3b6720dae92b7
1891245e73 refactor: Cast ping values to double before output (Ben Woosley)
7a810b1d7a refactor: Convert ping wait time from double to int64_t (Ben Woosley)
e6fc63ec7e refactor: Convert min ping time from double to int64_t (Ben Woosley)
b054c46977 refactor: Convert ping time from double to int64_t (Ben Woosley)
Pull request description:
Alternative to #18252, see motivation there.
This changes `CNodeStats` to handle ping timestamps as their original incoming usec `int64_t` values until the time they need to be displayed.
ACKs for top commit:
vasild:
ACK 1891245
practicalswift:
ACK 1891245e73 -- patch looks correct
promag:
ACK 1891245e73, added cast to double and also braces.
Tree-SHA512: 7cfcba941d9751b522b8c512c25da493338b444637bd0bb711b152d7d86b431ca0968956be3c844ee9dbfea25edab44a0de2afa44f2c9c0bf5b8df53eba66272
3c1bc40205 Add extra logging of asmap use and bucketing (Gleb Naumenko)
e4658aa8ea Return mapped AS in RPC call getpeerinfo (Gleb Naumenko)
ec45646de9 Integrate ASN bucketing in Addrman and add tests (Gleb Naumenko)
8feb4e4b66 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 3c1bc40205
jamesob:
ACK 3c1bc40205 ([`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 3c1bc40205
Tree-SHA512: e2dc6171188d5cdc2ab2c022fa49ed73a14a0acb8ae4c5ffa970172a0365942a249ad3d57e5fb134bc156a3492662c983f74bd21e78d316629dcadf71576800c
GetWarnings() changes the format of the output warning string based on a
passed-in string argument that can be set to "gui" or "statusbar".
Change the argument to a bool:
- there are only two types of behaviour, so a bool is a more natural
argument type
- changing the name to 'verbose' does not set any expectations for the
how the calling code will use the returned string (currently,
'statusbar' is used for RPC warnings, not a status bar)
- removes some error-handling code for when the passed-in string is not
one of the two strings expected.
f44abe4bed refactor: Remove addrdb.h dependency from node.h (Hennadii Stepanov)
Pull request description:
`node.h` includes `addrdb.h` just for the sake of `banmap_t` type.
This PR makes dependencies simpler and explicit.
~Also needless `typedef` has been removed from `enum BanReason`.~
ACKs for top commit:
laanwj:
ACK f44abe4bed
practicalswift:
ACK f44abe4bed
Tree-SHA512: 33a1be20e5c629daf4a61ebbf93ea6494b9256887cebd4974de4782f6d324404b6cc84909533d9502b2cc19902083f1f9307d4fb7231e67db5b412b842d13072
Wallet code should use interfaces::Chain and not directly access to node state.
Add a g_rpc_chain replacement global for wallet code to use, and move
g_rpc_node definition to a libbitcoin_server source file so there are link
errors if wallet code tries to access it.
This moves the following policy settings functions and globals to a new
src/policy/settings unit in lib_server:
- `incrementalRelayFee`
- `dustRelayFee`
- `nBytesPerSigOp`
- `fIsBareMultisigStd`
These settings are only required by the node and should not be accessed
by other libraries.
