IBC Fees

tests/e2e/ibc_fees_test.go

@@ -23,6 +23,7 @@ import (
 	"github.com/CosmWasm/wasmd/app"
 	wasmibctesting "github.com/CosmWasm/wasmd/tests/ibctesting"
 	wasmtypes "github.com/CosmWasm/wasmd/x/wasm/types"
+	wasmvmtypes "github.com/CosmWasm/wasmvm/v2/types"
 )
 
 func TestIBCFeesTransfer(t *testing.T) {
@@ -219,3 +220,119 @@ func TestIBCFeesWasm(t *testing.T) {
 	payeeBalance = chainB.AllBalances(payee)
 	assert.Equal(t, sdk.NewCoin(sdk.DefaultBondDenom, sdkmath.NewInt(2)).String(), payeeBalance.String())
 }
+
+func TestIBCFeesReflect(t *testing.T) {
+	// scenario:
+	// given 2 chains with reflect on chain A
+	//   and an ibc channel established
+	// when ibc-reflect sends a PayPacketFee and a PayPacketFeeAsync msg
+	// then the relayer's payee is receiving the fee(s) on success
+
+	marshaler := app.MakeEncodingConfig(t).Codec
+	coord := wasmibctesting.NewCoordinator(t, 2)
+	chainA := coord.GetChain(wasmibctesting.GetChainID(1))
+	chainB := coord.GetChain(ibctesting.GetChainID(2))
+	actorChainA := sdk.AccAddress(chainA.SenderPrivKey.PubKey().Address())
+	actorChainB := sdk.AccAddress(chainB.SenderPrivKey.PubKey().Address())
+
+	// setup chain A
+	codeID := chainA.StoreCodeFile("./testdata/reflect_2_2.wasm").CodeID
+
+	initMsg := []byte("{}")
+	reflectContractAddr := chainA.InstantiateContract(codeID, initMsg)
+
+	payee := sdk.AccAddress(bytes.Repeat([]byte{2}, address.Len))
+	oneToken := []wasmvmtypes.Coin{wasmvmtypes.NewCoin(1, sdk.DefaultBondDenom)}
+
+	path := wasmibctesting.NewPath(chainA, chainB)
+	path.EndpointA.ChannelConfig = &ibctesting.ChannelConfig{
+		PortID:  ibctransfertypes.PortID,
+		Version: string(marshaler.MustMarshalJSON(&ibcfee.Metadata{FeeVersion: ibcfee.Version, AppVersion: ibctransfertypes.Version})),
+		Order:   channeltypes.UNORDERED,
+	}
+	path.EndpointB.ChannelConfig = &ibctesting.ChannelConfig{
+		PortID:  ibctransfertypes.PortID,
+		Version: string(marshaler.MustMarshalJSON(&ibcfee.Metadata{FeeVersion: ibcfee.Version, AppVersion: ibctransfertypes.Version})),
+		Order:   channeltypes.UNORDERED,
+	}
+	// with an ics-29 fee enabled channel setup between both chains
+	coord.Setup(path)
+	appA := chainA.App.(*app.WasmApp)
+	appB := chainB.App.(*app.WasmApp)
+	require.True(t, appA.IBCFeeKeeper.IsFeeEnabled(chainA.GetContext(), ibctransfertypes.PortID, path.EndpointA.ChannelID))
+	require.True(t, appB.IBCFeeKeeper.IsFeeEnabled(chainB.GetContext(), ibctransfertypes.PortID, path.EndpointB.ChannelID))
+	// and with a payee registered for A -> B
+	_, err := chainA.SendMsgs(ibcfee.NewMsgRegisterPayee(ibctransfertypes.PortID, path.EndpointA.ChannelID, actorChainA.String(), payee.String()))
+	require.NoError(t, err)
+	_, err = chainB.SendMsgs(ibcfee.NewMsgRegisterCounterpartyPayee(ibctransfertypes.PortID, path.EndpointB.ChannelID, actorChainB.String(), payee.String()))
+	require.NoError(t, err)
+
+	// when reflect contract on A sends a PayPacketFee msg, followed by a transfer
+	_, err = ExecViaReflectContract(t, chainA, reflectContractAddr, []wasmvmtypes.CosmosMsg{
+		{
+			IBC: &wasmvmtypes.IBCMsg{
+				PayPacketFee: &wasmvmtypes.PayPacketFeeMsg{
+					Fee: wasmvmtypes.IBCFee{
+						AckFee:     oneToken,
+						ReceiveFee: oneToken,
+						TimeoutFee: []wasmvmtypes.Coin{},
+					},
+					Relayers:  []string{},
+					PortID:    ibctransfertypes.PortID,
+					ChannelID: path.EndpointA.ChannelID,
+				},
+			},
+		},
+		{
+			IBC: &wasmvmtypes.IBCMsg{
+				Transfer: &wasmvmtypes.TransferMsg{
+					ChannelID: path.EndpointA.ChannelID,
+					ToAddress: actorChainB.String(),
+					Amount:    wasmvmtypes.NewCoin(10, sdk.DefaultBondDenom),
+					Timeout: wasmvmtypes.IBCTimeout{
+						Timestamp: 9999999999999999999,
+					},
+				},
+			},
+		},
+	})
+	require.NoError(t, err)
+
+	pendingIncentivisedPackages := appA.IBCFeeKeeper.GetIdentifiedPacketFeesForChannel(chainA.GetContext(), ibctransfertypes.PortID, path.EndpointA.ChannelID)
+	assert.Len(t, pendingIncentivisedPackages, 1)
+
+	// and sends an PayPacketFeeAsync msg
+	_, err = ExecViaReflectContract(t, chainA, reflectContractAddr, []wasmvmtypes.CosmosMsg{
+		{
+			IBC: &wasmvmtypes.IBCMsg{
+				PayPacketFeeAsync: &wasmvmtypes.PayPacketFeeAsyncMsg{
+					Fee: wasmvmtypes.IBCFee{
+						AckFee:     []wasmvmtypes.Coin{},
+						ReceiveFee: oneToken,
+						TimeoutFee: oneToken,
+					},
+					Relayers:  []string{},
+					Sequence:  pendingIncentivisedPackages[0].PacketId.Sequence,
+					PortID:    ibctransfertypes.PortID,
+					ChannelID: path.EndpointA.ChannelID,
+				},
+			},
+		},
+	})
+	require.NoError(t, err)
+
+	// and packages relayed
+	require.NoError(t, coord.RelayAndAckPendingPackets(path))
+
+	// then
+	// on chain A
+	payeeBalance := chainA.AllBalances(payee)
+	// 2 tokens from the PayPacketFee and 1 token from the PayPacketFeeAsync
+	assert.Equal(t, sdk.NewCoin(sdk.DefaultBondDenom, sdkmath.NewInt(3)).String(), payeeBalance.String())
+	// and on chain B
+	pendingIncentivisedPackages = appA.IBCFeeKeeper.GetIdentifiedPacketFeesForChannel(chainA.GetContext(), ibctransfertypes.PortID, path.EndpointA.ChannelID)
+	assert.Len(t, pendingIncentivisedPackages, 0)
+	expBalance := ibctransfertypes.GetTransferCoin(path.EndpointB.ChannelConfig.PortID, path.EndpointB.ChannelID, sdk.DefaultBondDenom, sdkmath.NewInt(10))
+	gotBalance := chainB.Balance(actorChainB, expBalance.Denom)
+	assert.Equal(t, expBalance.String(), gotBalance.String(), chainB.AllBalances(actorChainB))
+}

tests/integration/module_test.go

@@ -66,7 +66,7 @@ func setupTest(t *testing.T) testData {
 
 	ctx, keepers := keeper.CreateTestInput(t, false, []string{
 		"iterator", "staking", "stargate", "cosmwasm_1_1", "cosmwasm_1_2", "cosmwasm_1_3",
-		"cosmwasm_1_4", "cosmwasm_2_0", "cosmwasm_2_1",
+		"cosmwasm_1_4", "cosmwasm_2_0", "cosmwasm_2_1", "cosmwasm_2_2",
 	})
 	encConf := keeper.MakeEncodingConfig(t)
 	queryRouter := baseapp.NewGRPCQueryRouter()

x/wasm/keeper/capabilities.go

@@ -17,5 +17,6 @@
 		"cosmwasm_1_4",
 		"cosmwasm_2_0",
 		"cosmwasm_2_1",
+		"cosmwasm_2_2",
 	}
 }

x/wasm/keeper/handler_plugin_encoders.go

@@ -5,6 +5,7 @@
 	"fmt"
 
 	wasmvmtypes "github.com/CosmWasm/wasmvm/v2/types"
+	ibcfeetypes "github.com/cosmos/ibc-go/v8/modules/apps/29-fee/types"
 	ibctransfertypes "github.com/cosmos/ibc-go/v8/modules/apps/transfer/types"
 	ibcclienttypes "github.com/cosmos/ibc-go/v8/modules/core/02-client/types"
 	channeltypes "github.com/cosmos/ibc-go/v8/modules/core/04-channel/types"
@@ -320,6 +321,33 @@
 				Memo:             msg.Transfer.Memo,
 			}
 			return []sdk.Msg{msg}, nil
+		case msg.PayPacketFee != nil:
+			fee, err := ConvertIBCFee(&msg.PayPacketFee.Fee)
+			if err != nil {
+				return nil, errorsmod.Wrap(err, "fee")
+			}
+			msg := &ibcfeetypes.MsgPayPacketFee{
+				Fee:             fee,
+				SourcePortId:    msg.PayPacketFee.PortID,
+				SourceChannelId: msg.PayPacketFee.ChannelID,
+				Signer:          sender.String(),
+				Relayers:        msg.PayPacketFee.Relayers,
+			}
+			return []sdk.Msg{msg}, nil
+		case msg.PayPacketFeeAsync != nil:
+			fee, err := ConvertIBCFee(&msg.PayPacketFeeAsync.Fee)
+			if err != nil {
+				return nil, errorsmod.Wrap(err, "fee")
+			}
+			msg := &ibcfeetypes.MsgPayPacketFeeAsync{
+				PacketId: channeltypes.PacketId{
+					PortId:    msg.PayPacketFeeAsync.PortID,
+					ChannelId: msg.PayPacketFeeAsync.ChannelID,
+					Sequence:  msg.PayPacketFeeAsync.Sequence,
+				},
+				PacketFee: ibcfeetypes.NewPacketFee(fee, sender.String(), msg.PayPacketFeeAsync.Relayers),
+			}
+			return []sdk.Msg{msg}, nil
 		default:
 			return nil, errorsmod.Wrap(types.ErrUnknownMsg, "unknown variant of IBC")
 		}
@@ -406,3 +434,23 @@
 	}
 	return r, r.Validate()
 }
+
+func ConvertIBCFee(fee *wasmvmtypes.IBCFee) (ibcfeetypes.Fee, error) {
+	ackFee, err := ConvertWasmCoinsToSdkCoins(fee.AckFee)
+	if err != nil {
+		return ibcfeetypes.Fee{}, err
+	}
+	recvFee, err := ConvertWasmCoinsToSdkCoins(fee.ReceiveFee)
+	if err != nil {
+		return ibcfeetypes.Fee{}, err
+	}
+	timeoutFee, err := ConvertWasmCoinsToSdkCoins(fee.TimeoutFee)
+	if err != nil {
+		return ibcfeetypes.Fee{}, err
+	}
+	return ibcfeetypes.Fee{
+		AckFee:     ackFee,
+		RecvFee:    recvFee,
+		TimeoutFee: timeoutFee,
+	}, nil
+}

x/wasm/keeper/handler_plugin_encoders_test.go

@@ -5,6 +5,7 @@ import (
 
 	wasmvmtypes "github.com/CosmWasm/wasmvm/v2/types"
 	"github.com/cosmos/gogoproto/proto"
+	ibcfee "github.com/cosmos/ibc-go/v8/modules/apps/29-fee/types"
 	ibctransfertypes "github.com/cosmos/ibc-go/v8/modules/apps/transfer/types"
 	clienttypes "github.com/cosmos/ibc-go/v8/modules/core/02-client/types" //nolint:staticcheck
 	channeltypes "github.com/cosmos/ibc-go/v8/modules/core/04-channel/types"
@@ -613,6 +614,86 @@ func TestEncodeIbcMsg(t *testing.T) {
 				},
 			},
 		},
+		"IBC PayPacketFee": {
+			sender:             addr1,
+			srcContractIBCPort: "myIBCPort",
+			srcMsg: wasmvmtypes.CosmosMsg{
+				IBC: &wasmvmtypes.IBCMsg{
+					PayPacketFee: &wasmvmtypes.PayPacketFeeMsg{
+						ChannelID: "myChannelID",
+						Fee: wasmvmtypes.IBCFee{
+							TimeoutFee: []wasmvmtypes.Coin{
+								{
+									Denom:  "ALX",
+									Amount: "1",
+								},
+							},
+						},
+						PortID:   "myIBCPort",
+						Relayers: []string{},
+					},
+				},
+			},
+			output: []sdk.Msg{
+				&ibcfee.MsgPayPacketFee{
+					Fee: ibcfee.Fee{
+						TimeoutFee: []sdk.Coin{
+							{
+								Denom:  "ALX",
+								Amount: sdkmath.NewInt(1),
+							},
+						},
+					},
+					SourcePortId:    "myIBCPort",
+					SourceChannelId: "myChannelID",
+					Signer:          addr1.String(),
+					Relayers:        []string{},
+				},
+			},
+		},
+		"IBC PayPacketFeeAsync": {
+			sender:             addr1,
+			srcContractIBCPort: "myIBCPort",
+			srcMsg: wasmvmtypes.CosmosMsg{
+				IBC: &wasmvmtypes.IBCMsg{
+					PayPacketFeeAsync: &wasmvmtypes.PayPacketFeeAsyncMsg{
+						ChannelID: "myChannelID",
+						Fee: wasmvmtypes.IBCFee{
+							TimeoutFee: []wasmvmtypes.Coin{
+								{
+									Denom:  "ALX",
+									Amount: "1",
+								},
+							},
+						},
+						PortID:   "myIBCPort",
+						Relayers: []string{},
+						Sequence: 42,
+					},
+				},
+			},
+			output: []sdk.Msg{
+				&ibcfee.MsgPayPacketFeeAsync{
+					PacketId: channeltypes.PacketId{
+						PortId:    "myIBCPort",
+						ChannelId: "myChannelID",
+						Sequence:  42,
+					},
+					PacketFee: ibcfee.PacketFee{
+						Fee: ibcfee.Fee{
+							TimeoutFee: []sdk.Coin{
+								{
+									Denom:  "ALX",
+									Amount: sdkmath.NewInt(1),
+								},
+							},
+						},
+						RefundAddress: addr1.String(),
+						Relayers:      []string{},
+					},
+				},
+			},
+		},
 	}
 	encodingConfig := MakeEncodingConfig(t)
 	for name, tc := range cases {