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## Description
Revert routing queries through tendermint.
The reason this change was made is because of this error:
```
fatal error: concurrent map read and map write
```
The person who identified this error submitted these steps to reproduce
```
User sends a query with grpc
Tendermint Commit new blocks and tries to Commit IAVL (which causing IAVL versions map to change)
At the same time query tries to read from the same map (iavl.(*MutableTree).VersionExists) to check if requested version is exists
Node exits with fatal error: concurrent map read and map write
```
With the recent changes to IAVL submitted by terra (cc @YunSuk-Yeo) the reason for why we need to route through tendermint is no longer present. We should revert it when 0.17.1 of IAVL is cut, which will be later today.
---
### Author Checklist
*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*
I have...
- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed
### Reviewers Checklist
*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*
I have...
- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)
* Make gRPC requests go through tendermint Query
* Remove commented code
* Dry run in InitChain?
* Save type of first run
* Add metadata in repsonse
* Factorize some code
* Fix lint
* Update comments
* Fix md test
* Fix test expected
* Don't put RunGRPCQuery as clientCtx method
* Update baseapp/grpcserver.go
Co-authored-by: Robert Zaremba <robert@zaremba.ch>
* Address review comments
Co-authored-by: Robert Zaremba <robert@zaremba.ch>
* baseapp, client: reject gRPC connections with out-of-range/nefarious x-cosmos-block-height values
Rejects gRPC connections that send out-of-range x-cosmos-block-height
values that previously weren't checked for. We now reject any negative
values and any value greater than max(int64) aka >9223372036854775807.
Also added an enforcement for returning an error if any negative heights
are passed into (*BaseApp).createQueryContext.
Fixes#7662
* baseapp, client: reject gRPC connections with out-of-range/nefarious x-cosmos-block-height values
Rejects gRPC connections that send out-of-range x-cosmos-block-height
values that previously weren't checked for. We now reject any negative
values and any value greater than max(int64) aka >9223372036854775807.
Also added an enforcement for returning an error if any negative heights
are passed into (*BaseApp).createQueryContext.
Fixes#7662
* Address Robert's feedback to extract negative height checker
* Fix tests
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
* Replaced hardcoded 'cosmos' and 'cosmosvaloper' help references
* Ran make format target
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
* Add header in client context grpc
* Second try
* Make headers work
* Use QueryABCI
* Put header in types
Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>
Marko
colin axnér
Amaury
MD Aleem
Emmanuel T Odeke
atheeshp
Neeraj Murarka
Aaron Craelius