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keeper.go
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keeper.go
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package keeper
import (
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
"github.com/tendermint/tendermint/libs/log"
"github.com/cosmosquad-labs/squad/x/liquidstaking/types"
)
// Keeper of the liquidstaking store
type Keeper struct {
storeKey sdk.StoreKey
cdc codec.BinaryCodec
paramSpace paramtypes.Subspace
accountKeeper types.AccountKeeper
bankKeeper types.BankKeeper
stakingKeeper types.StakingKeeper
distrKeeper types.DistrKeeper
liquidityKeeper types.LiquidityKeeper
farmingKeeper types.FarmingKeeper
slashingKeeper types.SlashingKeeper
}
// NewKeeper returns a liquidstaking keeper. It handles:
// - creating new ModuleAccounts for each pool ReserveAccount
// - sending to and from ModuleAccounts
// - minting, burning PoolCoins
func NewKeeper(cdc codec.BinaryCodec, key sdk.StoreKey, paramSpace paramtypes.Subspace,
accountKeeper types.AccountKeeper, bankKeeper types.BankKeeper, stakingKeeper types.StakingKeeper,
distrKeeper types.DistrKeeper, liquidityKeeper types.LiquidityKeeper,
farmingKeeper types.FarmingKeeper, slashingKeeper types.SlashingKeeper,
) Keeper {
// ensure liquidstaking module account is set
if addr := accountKeeper.GetModuleAddress(types.ModuleName); addr == nil {
panic(fmt.Sprintf("%s module account has not been set", types.ModuleName))
}
// set KeyTable if it has not already been set
if !paramSpace.HasKeyTable() {
paramSpace = paramSpace.WithKeyTable(types.ParamKeyTable())
}
return Keeper{
storeKey: key,
cdc: cdc,
paramSpace: paramSpace,
accountKeeper: accountKeeper,
bankKeeper: bankKeeper,
stakingKeeper: stakingKeeper,
distrKeeper: distrKeeper,
liquidityKeeper: liquidityKeeper,
farmingKeeper: farmingKeeper,
slashingKeeper: slashingKeeper,
}
}
// Logger returns a module-specific logger.
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", "x/"+types.ModuleName)
}
// GetParams gets the parameters for the liquidstaking module.
func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
k.paramSpace.GetParamSet(ctx, ¶ms)
return params
}
// SetParams sets the parameters for the liquidstaking module.
func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
k.paramSpace.SetParamSet(ctx, ¶ms)
}
// GetCodec return codec.Codec object used by the keeper
func (k Keeper) GetCodec() codec.BinaryCodec { return k.cdc }