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keeper.go
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keeper.go
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package keeper
import (
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/tendermint/tendermint/libs/log"
"github.com/desmos-labs/desmos/v3/x/relationships/types"
)
// Keeper maintains the link to data storage and exposes getter/setter methods for the various parts of the state machine
type Keeper struct {
storeKey sdk.StoreKey
cdc codec.BinaryCodec
sk types.SubspacesKeeper
}
// NewKeeper creates new instances of the relationships Keeper.
func NewKeeper(cdc codec.BinaryCodec, storeKey sdk.StoreKey, sk types.SubspacesKeeper) Keeper {
return Keeper{
storeKey: storeKey,
cdc: cdc,
sk: sk,
}
}
// Logger returns a module-specific logger.
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", "x/"+types.ModuleName)
}
// DoesSubspaceExist tells if the subspace with the given id exists
func (k Keeper) DoesSubspaceExist(ctx sdk.Context, subspaceID uint64) bool {
// The subspace with id 0 always exists (as it represents all the subspaces)
return subspaceID == 0 || k.sk.HasSubspace(ctx, subspaceID)
}