75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
package keeper
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import (
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"cosmossdk.io/log"
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storetypes "cosmossdk.io/store/types"
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"cosmossdk.io/x/params/types"
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"cosmossdk.io/x/params/types/proposal"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// Keeper of the global paramstore
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type Keeper struct {
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cdc codec.BinaryCodec
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legacyAmino *codec.LegacyAmino
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key storetypes.StoreKey
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tkey storetypes.StoreKey
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spaces map[string]*types.Subspace
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}
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// NewKeeper constructs a params keeper
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func NewKeeper(cdc codec.BinaryCodec, legacyAmino *codec.LegacyAmino, key, tkey storetypes.StoreKey) Keeper {
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return Keeper{
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cdc: cdc,
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legacyAmino: legacyAmino,
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key: key,
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tkey: tkey,
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spaces: make(map[string]*types.Subspace),
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}
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}
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// Logger returns a module-specific logger.
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func (k Keeper) Logger(ctx sdk.Context) log.Logger {
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return ctx.Logger().With("module", "x/"+proposal.ModuleName)
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}
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// Allocate subspace used for keepers
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func (k Keeper) Subspace(s string) types.Subspace {
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_, ok := k.spaces[s]
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if ok {
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panic("subspace already occupied")
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}
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if s == "" {
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panic("cannot use empty string for subspace")
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}
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space := types.NewSubspace(k.cdc, k.legacyAmino, k.key, k.tkey, s)
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k.spaces[s] = &space
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return space
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}
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// Get existing substore from keeper
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func (k Keeper) GetSubspace(s string) (types.Subspace, bool) {
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space, ok := k.spaces[s]
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if !ok {
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return types.Subspace{}, false
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}
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return *space, ok
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}
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// GetSubspaces returns all the registered subspaces.
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func (k Keeper) GetSubspaces() []types.Subspace {
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spaces := make([]types.Subspace, len(k.spaces))
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i := 0
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for _, ss := range k.spaces {
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spaces[i] = *ss
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i++
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}
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return spaces
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}
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