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store.go
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store.go
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package keeper
import (
"encoding/json"
"fmt"
"github.com/MonOsmosis/osmosis/v10/x/incentives/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// GetLastGaugeID returns ID used last time.
func (k Keeper) GetLastGaugeID(ctx sdk.Context) uint64 {
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.KeyLastGaugeID)
if bz == nil {
return 0
}
return sdk.BigEndianToUint64(bz)
}
// SetLastGaugeID save ID used by last gauge.
func (k Keeper) SetLastGaugeID(ctx sdk.Context, ID uint64) {
store := ctx.KVStore(k.storeKey)
store.Set(types.KeyLastGaugeID, sdk.Uint64ToBigEndian(ID))
}
// gaugeStoreKey returns action store key from ID.
func gaugeStoreKey(ID uint64) []byte {
return combineKeys(types.KeyPrefixPeriodGauge, sdk.Uint64ToBigEndian(ID))
}
func gaugeDenomStoreKey(denom string) []byte {
return combineKeys(types.KeyPrefixGaugesByDenom, []byte(denom))
}
// getGaugeRefs get gauge IDs specified on the provided key.
func (k Keeper) getGaugeRefs(ctx sdk.Context, key []byte) []uint64 {
store := ctx.KVStore(k.storeKey)
gaugeIDs := []uint64{}
if store.Has(key) {
bz := store.Get(key)
err := json.Unmarshal(bz, &gaugeIDs)
if err != nil {
panic(err)
}
}
return gaugeIDs
}
// addGaugeRefByKey append gauge ID into an array associated to provided key.
func (k Keeper) addGaugeRefByKey(ctx sdk.Context, key []byte, gaugeID uint64) error {
store := ctx.KVStore(k.storeKey)
gaugeIDs := k.getGaugeRefs(ctx, key)
if findIndex(gaugeIDs, gaugeID) > -1 {
return fmt.Errorf("gauge with same ID exist: %d", gaugeID)
}
gaugeIDs = append(gaugeIDs, gaugeID)
bz, err := json.Marshal(gaugeIDs)
if err != nil {
return err
}
store.Set(key, bz)
return nil
}
// deleteGaugeRefByKey removes gauge ID from an array associated to provided key.
func (k Keeper) deleteGaugeRefByKey(ctx sdk.Context, key []byte, gaugeID uint64) error {
store := ctx.KVStore(k.storeKey)
gaugeIDs := k.getGaugeRefs(ctx, key)
gaugeIDs, index := removeValue(gaugeIDs, gaugeID)
if index < 0 {
return fmt.Errorf("specific gauge with ID %d not found by reference %s", gaugeID, key)
}
if len(gaugeIDs) == 0 {
store.Delete(key)
} else {
bz, err := json.Marshal(gaugeIDs)
if err != nil {
return err
}
store.Set(key, bz)
}
return nil
}
// getAllGaugeIDsByDenom returns all active gauge-IDs associated with lockups of denomination `denom`.
func (k Keeper) getAllGaugeIDsByDenom(ctx sdk.Context, denom string) []uint64 {
return k.getGaugeRefs(ctx, gaugeDenomStoreKey(denom))
}
// deleteGaugeIDForDenom deletes ID from the list of gauge ID's associated with denomination `denom`.
func (k Keeper) deleteGaugeIDForDenom(ctx sdk.Context, ID uint64, denom string) error {
return k.deleteGaugeRefByKey(ctx, gaugeDenomStoreKey(denom), ID)
}
// addGaugeIDForDenom adds ID to the list of gauge ID's associated with denomination `denom`.
func (k Keeper) addGaugeIDForDenom(ctx sdk.Context, ID uint64, denom string) error {
return k.addGaugeRefByKey(ctx, gaugeDenomStoreKey(denom), ID)
}