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x/oracle/keeper/genesis.go

@@ -0,0 +1,16 @@
+package keeper
+
+import (
+	"github.com/onsonr/hway/x/oracle/types"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+// InitGenesis initializes the middlewares state from a specified GenesisState.
+func (k Keeper) InitGenesis(ctx sdk.Context, state types.GenesisState) {
+}
+
+// ExportGenesis exports the middlewares state.
+func (k Keeper) ExportGenesis(ctx sdk.Context) *types.GenesisState {
+	return &types.GenesisState{}
+}

x/oracle/keeper/keeper.go

@@ -0,0 +1,78 @@
+package keeper
+
+import (
+	"github.com/onsonr/hway/x/oracle/types"
+
+	"github.com/cosmos/cosmos-sdk/baseapp"
+	"github.com/cosmos/cosmos-sdk/codec"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	capabilitytypes "github.com/cosmos/ibc-go/modules/capability/types"
+
+	"cosmossdk.io/log"
+
+	clienttypes "github.com/cosmos/ibc-go/v8/modules/core/02-client/types"
+	porttypes "github.com/cosmos/ibc-go/v8/modules/core/05-port/types"
+	ibcexported "github.com/cosmos/ibc-go/v8/modules/core/exported"
+)
+
+// Keeper defines the middleware keeper.
+type Keeper struct {
+	cdc              codec.BinaryCodec
+	msgServiceRouter *baseapp.MsgServiceRouter
+
+	ics4Wrapper porttypes.ICS4Wrapper
+}
+
+// NewKeeper creates a new swap Keeper instance.
+func NewKeeper(
+	cdc codec.BinaryCodec,
+	msgServiceRouter *baseapp.MsgServiceRouter,
+	ics4Wrapper porttypes.ICS4Wrapper,
+) Keeper {
+	return Keeper{
+		cdc:              cdc,
+		msgServiceRouter: msgServiceRouter,
+		ics4Wrapper:      ics4Wrapper,
+	}
+}
+
+// Logger returns a module-specific logger.
+func (k Keeper) Logger(ctx sdk.Context) log.Logger {
+	return ctx.Logger().With("module", "x/"+ibcexported.ModuleName+"-"+types.ModuleName)
+}
+
+// SendPacket wraps IBC ChannelKeeper's SendPacket function.
+func (k Keeper) SendPacket(
+	ctx sdk.Context,
+	chanCap *capabilitytypes.Capability,
+	sourcePort string,
+	sourceChannel string,
+	timeoutHeight clienttypes.Height,
+	timeoutTimestamp uint64,
+	data []byte,
+) (sequence uint64, err error) {
+	return k.ics4Wrapper.SendPacket(
+		ctx,
+		chanCap,
+		sourcePort,
+		sourceChannel,
+		timeoutHeight,
+		timeoutTimestamp,
+		data,
+	)
+}
+
+// WriteAcknowledgement wraps IBC ChannelKeeper's WriteAcknowledgement function.
+func (k Keeper) WriteAcknowledgement(
+	ctx sdk.Context,
+	chanCap *capabilitytypes.Capability,
+	packet ibcexported.PacketI,
+	acknowledgement ibcexported.Acknowledgement,
+) error {
+	return k.ics4Wrapper.WriteAcknowledgement(ctx, chanCap, packet, acknowledgement)
+}
+
+// GetAppVersion wraps IBC ChannelKeeper's GetAppVersion function.
+func (k Keeper) GetAppVersion(ctx sdk.Context, portID string, channelID string) (string, bool) {
+	return k.ics4Wrapper.GetAppVersion(ctx, portID, channelID)
+}