cosmos-sdk/x/crisis/keeper/msg_server.go
atheeshp 7c1d743499
feat: remove x/params dependency in x/crisis (#12491)
## Description

Closes: #12445 



---

### 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/main/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/main/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/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)
2022-07-12 06:15:50 +00:00

82 lines
2.1 KiB
Go

package keeper
import (
"context"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/cosmos-sdk/x/crisis/types"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
)
var _ types.MsgServer = &Keeper{}
func (k *Keeper) VerifyInvariant(goCtx context.Context, msg *types.MsgVerifyInvariant) (*types.MsgVerifyInvariantResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
constantFee := sdk.NewCoins(k.GetConstantFee(ctx))
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
if err := k.SendCoinsFromAccountToFeeCollector(ctx, sender, constantFee); err != nil {
return nil, err
}
// use a cached context to avoid gas costs during invariants
cacheCtx, _ := ctx.CacheContext()
found := false
msgFullRoute := msg.FullInvariantRoute()
var res string
var stop bool
for _, invarRoute := range k.Routes() {
if invarRoute.FullRoute() == msgFullRoute {
res, stop = invarRoute.Invar(cacheCtx)
found = true
break
}
}
if !found {
return nil, types.ErrUnknownInvariant
}
if stop {
// Currently, because the chain halts here, this transaction will never be included in the
// blockchain thus the constant fee will have never been deducted. Thus no refund is required.
// TODO replace with circuit breaker
panic(res)
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeInvariant,
sdk.NewAttribute(types.AttributeKeyRoute, msg.InvariantRoute),
),
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCrisis),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
})
return &types.MsgVerifyInvariantResponse{}, nil
}
func (k *Keeper) UpdateParams(goCtx context.Context, req *types.MsgUpdateParams) (*types.MsgUpdateParamsResponse, error) {
if k.authority != req.Authority {
return nil, errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, req.Authority)
}
ctx := sdk.UnwrapSDKContext(goCtx)
if err := k.SetConstantFee(ctx, req.ConstantFee); err != nil {
return nil, err
}
return &types.MsgUpdateParamsResponse{}, nil
}