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keeper.go
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keeper.go
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package keeper
import (
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
"github.com/tendermint/tendermint/libs/log"
"github.com/crescent-network/crescent/v5/x/exchange/types"
)
// Keeper of the module's store.
type Keeper struct {
cdc codec.BinaryCodec
storeKey sdk.StoreKey
paramSpace paramstypes.Subspace
bankKeeper types.BankKeeper
sources map[string]types.OrderSource
sourceNames []string
}
// NewKeeper creates a new Keeper instance.
func NewKeeper(
cdc codec.BinaryCodec,
storeKey sdk.StoreKey,
paramSpace paramstypes.Subspace,
bankKeeper types.BankKeeper,
) Keeper {
if !paramSpace.HasKeyTable() {
paramSpace = paramSpace.WithKeyTable(types.ParamKeyTable())
}
return Keeper{
cdc: cdc,
storeKey: storeKey,
paramSpace: paramSpace,
bankKeeper: bankKeeper,
}
}
// 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))
}
func (k *Keeper) SetOrderSources(sources ...types.OrderSource) *Keeper {
if k.sources != nil {
panic("cannot set order sources twice")
}
k.sources = map[string]types.OrderSource{}
for _, source := range sources {
sourceName := source.Name()
if _, ok := k.sources[sourceName]; ok {
panic(fmt.Sprintf("duplicate order source name: %s", sourceName))
}
k.sources[sourceName] = source
k.sourceNames = append(k.sourceNames, sourceName)
}
return k
}