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keeper.go
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keeper.go
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package params
import (
"fmt"
"github.com/furyaxyz/fuxchain/libs/cosmos-sdk/codec"
sdk "github.com/furyaxyz/fuxchain/libs/cosmos-sdk/types"
"github.com/furyaxyz/fuxchain/libs/cosmos-sdk/x/params/subspace"
"github.com/furyaxyz/fuxchain/libs/cosmos-sdk/x/params/types"
"github.com/furyaxyz/fuxchain/libs/tendermint/libs/log"
)
// Keeper of the global paramstore
type Keeper struct {
cdc *codec.Codec
key sdk.StoreKey
tkey sdk.StoreKey
spaces map[string]*Subspace
}
// NewKeeper constructs a params keeper
func NewKeeper(cdc *codec.Codec, key, tkey sdk.StoreKey) Keeper {
return Keeper{
cdc: cdc,
key: key,
tkey: tkey,
spaces: make(map[string]*Subspace),
}
}
// Logger returns a module-specific logger.
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", fmt.Sprintf("x/%s", types.ModuleName))
}
// Allocate subspace used for keepers
func (k Keeper) Subspace(s string) Subspace {
_, ok := k.spaces[s]
if ok {
panic("subspace already occupied")
}
if s == "" {
panic("cannot use empty string for subspace")
}
space := subspace.NewSubspace(k.cdc, k.key, k.tkey, s)
k.spaces[s] = &space
return space
}
// Get existing substore from keeper
func (k Keeper) GetSubspace(s string) (Subspace, bool) {
space, ok := k.spaces[s]
if !ok {
return Subspace{}, false
}
return *space, ok
}