cosmos-sdk/x/slashing/keeper/keeper.go
Jacob Gadikian ee3f32dad0
chore: routine gofumpt (#12571)
## Description

Routine gofumpting.  No changelog entry because no changes to how the code functions. 

---

### 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)
2022-07-16 18:22:05 +00:00

102 lines
3.1 KiB
Go

package keeper
import (
"fmt"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
"github.com/tendermint/tendermint/libs/log"
"github.com/cosmos/cosmos-sdk/codec"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/slashing/types"
)
// Keeper of the slashing store
type Keeper struct {
storeKey storetypes.StoreKey
cdc codec.BinaryCodec
legacyAmino *codec.LegacyAmino
sk types.StakingKeeper
// the address capable of executing a MsgUpdateParams message. Typically, this
// should be the x/gov module account.
authority string
}
// NewKeeper creates a slashing keeper
func NewKeeper(cdc codec.BinaryCodec, legacyAmino *codec.LegacyAmino, key storetypes.StoreKey, sk types.StakingKeeper, authority string) Keeper {
return Keeper{
storeKey: key,
cdc: cdc,
legacyAmino: legacyAmino,
sk: sk,
authority: authority,
}
}
// GetAuthority returns the x/slashing module's authority.
func (k Keeper) GetAuthority() string {
return k.authority
}
// Logger returns a module-specific logger.
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", "x/"+types.ModuleName)
}
// AddPubkey sets a address-pubkey relation
func (k Keeper) AddPubkey(ctx sdk.Context, pubkey cryptotypes.PubKey) error {
bz, err := k.cdc.MarshalInterface(pubkey)
if err != nil {
return err
}
store := ctx.KVStore(k.storeKey)
key := types.AddrPubkeyRelationKey(pubkey.Address())
store.Set(key, bz)
return nil
}
// GetPubkey returns the pubkey from the adddress-pubkey relation
func (k Keeper) GetPubkey(ctx sdk.Context, a cryptotypes.Address) (cryptotypes.PubKey, error) {
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.AddrPubkeyRelationKey(a))
if bz == nil {
return nil, fmt.Errorf("address %s not found", sdk.ConsAddress(a))
}
var pk cryptotypes.PubKey
return pk, k.cdc.UnmarshalInterface(bz, &pk)
}
// Slash attempts to slash a validator. The slash is delegated to the staking
// module to make the necessary validator changes.
func (k Keeper) Slash(ctx sdk.Context, consAddr sdk.ConsAddress, fraction sdk.Dec, power, distributionHeight int64) {
coinsBurned := k.sk.Slash(ctx, consAddr, distributionHeight, power, fraction)
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeSlash,
sdk.NewAttribute(types.AttributeKeyAddress, consAddr.String()),
sdk.NewAttribute(types.AttributeKeyPower, fmt.Sprintf("%d", power)),
sdk.NewAttribute(types.AttributeKeyReason, types.AttributeValueDoubleSign),
sdk.NewAttribute(types.AttributeKeyBurnedCoins, coinsBurned.String()),
),
)
}
// Jail attempts to jail a validator. The slash is delegated to the staking module
// to make the necessary validator changes.
func (k Keeper) Jail(ctx sdk.Context, consAddr sdk.ConsAddress) {
k.sk.Jail(ctx, consAddr)
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeSlash,
sdk.NewAttribute(types.AttributeKeyJailed, consAddr.String()),
),
)
}
func (k Keeper) deleteAddrPubkeyRelation(ctx sdk.Context, addr cryptotypes.Address) {
store := ctx.KVStore(k.storeKey)
store.Delete(types.AddrPubkeyRelationKey(addr))
}