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keeper.go
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keeper.go
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package keeper
import (
"fmt"
"time"
"github.com/tendermint/tendermint/libs/log"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
"github.com/lcnem/jpyx/x/jsmndist/types"
)
type (
Keeper struct {
cdc codec.Marshaler
storeKey sdk.StoreKey
memKey sdk.StoreKey
paramSpace paramtypes.Subspace
accountKeeper types.AccountKeeper
bankKeeper types.BankKeeper
}
)
func NewKeeper(cdc codec.Marshaler, storeKey, memKey sdk.StoreKey, paramSpace paramtypes.Subspace, accountKeeper types.AccountKeeper, bankKeeper types.BankKeeper,
) Keeper {
if !paramSpace.HasKeyTable() {
paramSpace = paramSpace.WithKeyTable(types.ParamKeyTable())
}
return Keeper{
cdc: cdc,
storeKey: storeKey,
memKey: memKey,
paramSpace: paramSpace,
accountKeeper: accountKeeper,
bankKeeper: bankKeeper,
}
}
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", fmt.Sprintf("x/%s", types.ModuleName))
}
// GetPreviousBlockTime get the blocktime for the previous block
func (k Keeper) GetPreviousBlockTime(ctx sdk.Context) (blockTime time.Time, found bool) {
store := ctx.KVStore(k.storeKey)
b := store.Get(types.KeyPrefix(types.PreviousBlockTime))
if b == nil {
return time.Time{}, false
}
blockTime.UnmarshalBinary(b)
return blockTime, true
}
// SetPreviousBlockTime set the time of the previous block
func (k Keeper) SetPreviousBlockTime(ctx sdk.Context, blockTime time.Time) {
store := ctx.KVStore(k.storeKey)
b, _ := blockTime.MarshalBinary()
store.Set(types.KeyPrefix(types.PreviousBlockTime), b)
}