Migrates the `rpc` package to use new JSON encoder in #4955. Branched off of that PR.
Tests pass, but I haven't done any manual testing beyond that. This should be handled as part of broader 0.34 testing.
Closes#4603
Commands used (VIM):
```
:args `rg -l errors.Wrap`
:argdo normal @q | update
```
where q is a macros rewriting the `errors.Wrap` to `fmt.Errorf`.
https://www.jsonrpc.org/specification
What is done in this PR:
JSONRPCClient: validate that Response.ID matches Request.ID I wanted
to do the same for the WSClient, but since we're sending events as
responses, not notifications, checking IDs would require storing
them in memory indefinitely (and we won't be able to remove them
upon client unsubscribing because ID is different then).
Request.ID is now optional. Notification is a Request without an ID.
Previously "" or 0 were considered as notifications
Remove #event suffix from ID from an event response (partially fixes
#2949) ID must be either string, int or null AND must be equal to
request's ID. Now, because we've implemented events as responses, WS
clients are tripping when they see Response.ID("0#event") !=
Request.ID("0"). Implementing events as requests would require a lot
of time (~ 2 days to completely rewrite WS client and server)
generate unique ID for each request
switch to integer IDs instead of "json-client-XYZ"
id=0 method=/subscribe
id=0 result=...
id=1 method=/abci_query
id=1 result=...
> send events (resulting from /subscribe) as requests+notifications (not
responses)
this will require a lot of work. probably not worth it
* rpc: generate an unique ID for each request
in conformance with JSON-RPC spec
* WSClient: check for unsolicited responses
* fix golangci warnings
* save commit
* fix errors
* remove ID from responses from subscribe
Refs #2949
* clients are safe for concurrent access
* tm-bench: switch to int ID
* fixes after my own review
* comment out sentIDs in WSClient
see commit body for the reason
* remove body.Close
it will be closed automatically
* stop ws connection outside of write/read routines
also, use t.Rate in tm-bench indexer when calculating ID
fix gocritic issues
* update swagger.yaml
* Apply suggestions from code review
* fix stylecheck and golint linter warnings
* update changelog
* update changelog2
Anton Kaliaev
Marko
Aleksandr Bezobchuk
Bipul Prasad
Callum Waters
Erik Grinaker