## Description
fix various linting issues
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## Description
Closes: #13099
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* mainly sdk.int to cosmossdk.io/math
* staking keys
* fumpt
* var-naming linter errors and a fumpt
* Update CHANGELOG.md
* Update .golangci.yml
* Update CHANGELOG.md
* Update test_helpers.go
* Update test_helpers.go
* fumpt and lint
* this lints the db module, and makes it easier to use. It adds breaking name changes
* DBConnection -> Connection
* previous commit contained a merge error
* Update test_helpers.go
* Update test_helpers.go
* db renamings
* merge master
* changelog
* DBWriter -> Writer
* consistent multistore reciever
* standard recievers for multistore v2alpha1
* general cleanup of linting issues
* more linter fixes
* remove prealloc linter
* nolint the secp256k1 import
* nolint the secp256k1 package
* completenolint resulting in a diff that has only nolints
## Description
When locally working with golangci-lint, we can see that there were many deprecation warnings about sdk.Int. This PR resolves that and makes 1-2 other linting related changes. Issue on linting coming next.
This also moves BitCurve to bitCurve.
I expect that this set of changes will require several pull requests, one of them to the settings for the linter.
It also does a gofumpt, because we had various formatting-related linters fail, too.
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Integrate Tendermint v0.35.0, including changes to build and test
plumbing necessary to make everything build. This change does not
update any SDK APIs to make use of new features.
Co-authored-by: marbar3778 <marbar3778@yahoo.com>
Co-authored-by: tycho garen <garen@tychoish.com>
Co-authored-by: M. J. Fromberger <michael.j.fromberger@gmail.com>
Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>
Co-authored-by: Callum Waters <cmwaters19@gmail.com>
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## Description
I modified where we handle queued operations to get all of the future operations from each queued operation that is executed. We then add any new futureOps to the queued ops list. This enables simulations to run chains of Operations rather than only being able to go one layer deep. This is helpful in the case of building simulations around smart contracts that require multiple operations occurring in order.
Closes: #10468
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## Description
The `io/ioutil` package has been deprecated in Go 1.16 (See https://golang.org/doc/go1.16#ioutil). Since cosmos-sdk has upgraded to Go 1.17 (#9987), this PR replaces the existing `io/ioutil` functions with their new definitions in `io` and `os` packages.
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## Description
ref: #9585
This PR if the 1st step (out of 2) in the #9585 refactor. It transforms baseapp's ABCI {Check,Deliver}Tx into middleware stacks. A middleware is defined by the following interfaces:
```go
// types/tx package
type Handler interface {
CheckTx(ctx context.Context, tx sdk.Tx, req abci.RequestCheckTx) (abci.ResponseCheckTx, error)
DeliverTx(ctx context.Context, tx sdk.Tx, req abci.RequestDeliverTx) (abci.ResponseDeliverTx, error)
SimulateTx(ctx context.Context, tx sdk.Tx, req RequestSimulateTx) (ResponseSimulateTx, error)
}
type Middleware func(Handler) Handler
```
This Pr doesn't migrate antehandlers, but only baseapp's runTx and runMsgs as middlewares. It bundles antehandlers into one single middleware (for now).
More specifically, it introduces the 5 following middlewares:
| Middleware | Description |
| ----------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| RunMsgsTxMiddleware | This middleware replaces the old baseapp's `runMsgs`. |
| LegacyAnteMiddleware | This middleware is temporary, it bundles all antehandlers into one middleware. It's only created for the purpose of breaking the refactor into 2 pieces. **It will be removed in Part 2**, and each antehandler will be replaced by its own middleware. |
| IndexEventsTxMiddleware | This is a simple middleware that chooses which events to index in Tendermint. Replaces `baseapp.indexEvents` (which unfortunately still exists in baseapp too, because it's used to index Begin/EndBlock events) |
| RecoveryTxMiddleware | This index recovers from panics. It replaces baseapp.runTx's panic recovery. |
| GasTxMiddleware | This replaces the [`Setup`](https://github.com/cosmos/cosmos-sdk/blob/master/x/auth/ante/setup.go) Antehandler. It sets a GasMeter on sdk.Context. Note that before, GasMeter was set on sdk.Context inside the antehandlers, and there was some mess around the fact that antehandlers had their own panic recovery system so that the GasMeter could be read by baseapp's recovery system. Now, this mess is all removed: one middleware sets GasMeter, another one handles recovery. |
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## Description
In Osmosis' simulation, we were observing that a large percent of the time was spent within SimulateParamChangeProposalContent, in particular within the composed key function. This is from a trace of our simulator running for 10 minutes:
<img width="931" alt="Screenshot 2021-06-08 at 2 32 28 PM" src="https://user-images.githubusercontent.com/6440154/121238788-16cdd000-c85e-11eb-8251-94537e69f8ce.png">
~This change lowers the number of calls to ComposedKey() by a factor of 3, and speeds up the underlying ComposedKey function. (sprintf is not particularly efficient for string concatenation, https://dev.to/pmalhaire/concatenate-strings-in-golang-a-quick-benchmark-4ahh ). After these change, the effect of ComposedKey() can no longer be seen in the profiler outputs.~
~This change does not change the result of the simulator on a given seed.~
See https://github.com/cosmos/cosmos-sdk/pull/9481#issuecomment-857119210 for description of changes.
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