/
keeper.go
100 lines (82 loc) · 3.42 KB
/
keeper.go
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package keeper
import (
"fmt"
"github.com/cosmos/ibc-apps/modules/async-icq/v4/types"
"github.com/tendermint/tendermint/libs/log"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
capabilitykeeper "github.com/cosmos/cosmos-sdk/x/capability/keeper"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
host "github.com/cosmos/ibc-go/v4/modules/core/24-host"
)
// Keeper defines the IBC interchain query host keeper
type Keeper struct {
storeKey storetypes.StoreKey
cdc codec.BinaryCodec
paramSpace paramtypes.Subspace
ics4Wrapper types.ICS4Wrapper
channelKeeper types.ChannelKeeper
portKeeper types.PortKeeper
scopedKeeper capabilitykeeper.ScopedKeeper
queryRouter *baseapp.GRPCQueryRouter
}
// NewKeeper creates a new interchain query Keeper instance
func NewKeeper(
cdc codec.BinaryCodec, key storetypes.StoreKey, paramSpace paramtypes.Subspace,
ics4Wrapper types.ICS4Wrapper, channelKeeper types.ChannelKeeper, portKeeper types.PortKeeper,
scopedKeeper capabilitykeeper.ScopedKeeper, queryRouter *baseapp.GRPCQueryRouter,
) Keeper {
// set KeyTable if it has not already been set
if !paramSpace.HasKeyTable() {
paramSpace = paramSpace.WithKeyTable(types.ParamKeyTable())
}
return Keeper{
storeKey: key,
cdc: cdc,
paramSpace: paramSpace,
ics4Wrapper: ics4Wrapper,
channelKeeper: channelKeeper,
portKeeper: portKeeper,
scopedKeeper: scopedKeeper,
queryRouter: queryRouter,
}
}
// Logger returns the application logger, scoped to the associated module
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", fmt.Sprintf("x/%s-%s", host.ModuleName, types.ModuleName))
}
// BindPort stores the provided portID and binds to it, returning the associated capability
func (k Keeper) BindPort(ctx sdk.Context, portID string) error {
capability := k.portKeeper.BindPort(ctx, portID)
return k.ClaimCapability(ctx, capability, host.PortPath(portID))
}
// IsBound checks if the interchain query already bound to the desired port
func (k Keeper) IsBound(ctx sdk.Context, portID string) bool {
_, ok := k.scopedKeeper.GetCapability(ctx, host.PortPath(portID))
return ok
}
// GetPort returns the portID for the transfer module. Used in ExportGenesis
func (k Keeper) GetPort(ctx sdk.Context) string {
store := ctx.KVStore(k.storeKey)
return string(store.Get(types.PortKey))
}
// SetPort sets the portID for the transfer module. Used in InitGenesis
func (k Keeper) SetPort(ctx sdk.Context, portID string) {
store := ctx.KVStore(k.storeKey)
store.Set(types.PortKey, []byte(portID))
}
// AuthenticateCapability wraps the scopedKeeper's AuthenticateCapability function
func (k Keeper) AuthenticateCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) bool {
return k.scopedKeeper.AuthenticateCapability(ctx, cap, name)
}
// ClaimCapability wraps the scopedKeeper's ClaimCapability function
func (k Keeper) ClaimCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) error {
return k.scopedKeeper.ClaimCapability(ctx, cap, name)
}
// GetAppVersion calls the ICS4Wrapper GetAppVersion function.
func (k Keeper) GetAppVersion(ctx sdk.Context, portID, channelID string) (string, bool) {
return k.ics4Wrapper.GetAppVersion(ctx, portID, channelID)
}