scaffolding for 29-fee (#274)

* scaffolding for 29-fee

* fix build

* update keeper test

* remove module test

modules/apps/29-fee/client/cli/cli.go

@@ -0,0 +1,40 @@
+package cli
+
+import (
+	"github.com/spf13/cobra"
+
+	"github.com/cosmos/cosmos-sdk/client"
+)
+
+// GetQueryCmd returns the query commands for 29-fee
+func GetQueryCmd() *cobra.Command {
+	queryCmd := &cobra.Command{
+		Use:                        "ibc-fee",
+		Short:                      "", // TODO
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+	}
+
+	queryCmd.AddCommand(
+	// TODO
+	)
+
+	return queryCmd
+}
+
+// NewTxCmd returns the transaction commands for 29-fee
+func NewTxCmd() *cobra.Command {
+	txCmd := &cobra.Command{
+		Use:                        "ibc-fee",
+		Short:                      "", // TODO
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+
+	txCmd.AddCommand(
+	// TODO
+	)
+
+	return txCmd
+}

modules/apps/29-fee/client/cli/query.go

@@ -0,0 +1,3 @@
+package cli
+
+// TODO

modules/apps/29-fee/client/cli/tx.go

@@ -0,0 +1,3 @@
+package cli
+
+// TODO

modules/apps/29-fee/keeper/genesis.go

@@ -0,0 +1,16 @@
+package keeper
+
+/*
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+// InitGenesis
+func (k Keeper) InitGenesis(ctx sdk.Context, state types.GenesisState) {
+}
+
+// ExportGenesis
+func (k Keeper) ExportGenesis(ctx sdk.Context) *types.GenesisState {
+	return &types.GenesisState{}
+}
+*/

modules/apps/29-fee/keeper/grpc_query.go

@@ -0,0 +1,5 @@
+package keeper
+
+// TODO
+
+//var _ types.QueryServer = Keeper{}

modules/apps/29-fee/keeper/keeper.go

@@ -0,0 +1,87 @@
+package keeper
+
+/*
+import (
+	"github.com/tendermint/tendermint/libs/log"
+
+	"github.com/cosmos/cosmos-sdk/codec"
+	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"
+	"github.com/cosmos/ibc-go/modules/apps/transfer/types"
+	host "github.com/cosmos/ibc-go/modules/core/24-host"
+)
+
+// Keeper defines the IBC fungible transfer keeper
+type Keeper struct {
+	storeKey sdk.StoreKey
+	cdc      codec.BinaryCodec
+
+	channelKeeper types.ChannelKeeper
+	portKeeper    types.PortKeeper
+	authKeeper    types.AccountKeeper
+	bankKeeper    types.BankKeeper
+	scopedKeeper  capabilitykeeper.ScopedKeeper
+}
+
+
+// NewKeeper creates a new 29-fee Keeper instance
+func NewKeeper(
+	cdc codec.BinaryCodec, key sdk.StoreKey, paramSpace paramtypes.Subspace,
+	channelKeeper types.ChannelKeeper, portKeeper types.PortKeeper,
+	authKeeper types.AccountKeeper, bankKeeper types.BankKeeper, scopedKeeper capabilitykeeper.ScopedKeeper,
+) Keeper {
+
+	return Keeper{
+		cdc:           cdc,
+		storeKey:      key,
+		channelKeeper: channelKeeper,
+		portKeeper:    portKeeper,
+		authKeeper:    authKeeper,
+		bankKeeper:    bankKeeper,
+		scopedKeeper:  scopedKeeper,
+	}
+}
+
+// Logger returns a module-specific logger.
+func (k Keeper) Logger(ctx sdk.Context) log.Logger {
+	return ctx.Logger().With("module", "x/"+host.ModuleName+"-"+types.ModuleName)
+}
+
+// IsBound checks if the transfer module is 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
+}
+
+// BindPort defines a wrapper function for the ort Keeper's function in
+// order to expose it to module's InitGenesis function
+func (k Keeper) BindPort(ctx sdk.Context, portID string) error {
+	cap := k.portKeeper.BindPort(ctx, portID)
+	return k.ClaimCapability(ctx, cap, host.PortPath(portID))
+}
+
+// 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 allows the transfer module that can claim a capability that IBC module
+// passes to it
+func (k Keeper) ClaimCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) error {
+	return k.scopedKeeper.ClaimCapability(ctx, cap, name)
+}
+*/

modules/apps/29-fee/keeper/keeper_test.go

@@ -0,0 +1,45 @@
+package keeper_test
+
+/*
+import (
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/tendermint/tendermint/crypto"
+
+	"github.com/cosmos/cosmos-sdk/baseapp"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/ibc-go/modules/apps/transfer/types"
+	ibctesting "github.com/cosmos/ibc-go/testing"
+)
+
+type KeeperTestSuite struct {
+	suite.Suite
+
+	coordinator *ibctesting.Coordinator
+
+	// testing chains used for convenience and readability
+	chainA *ibctesting.TestChain
+	chainB *ibctesting.TestChain
+	chainC *ibctesting.TestChain
+}
+
+func (suite *KeeperTestSuite) SetupTest() {
+	suite.coordinator = ibctesting.NewCoordinator(suite.T(), 3)
+	suite.chainA = suite.coordinator.GetChain(ibctesting.GetChainID(0))
+	suite.chainB = suite.coordinator.GetChain(ibctesting.GetChainID(1))
+	suite.chainC = suite.coordinator.GetChain(ibctesting.GetChainID(2))
+}
+
+func NewFeePath(chainA, chainB *ibctesting.TestChain) *ibctesting.Path {
+	path := ibctesting.NewPath(chainA, chainB)
+	path.EndpointA.ChannelConfig.PortID = ibctesting.FeePort
+	path.EndpointB.ChannelConfig.PortID = ibctesting.FeePort
+
+	return path
+}
+
+func TestKeeperTestSuite(t *testing.T) {
+	suite.Run(t, new(KeeperTestSuite))
+}
+*/

modules/apps/29-fee/keeper/msg_server.go

@@ -0,0 +1,4 @@
+package keeper
+
+// TODO
+//var _ types.MsgServer = Keeper{}