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ibc_middleware_test.go
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package fee_test
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
capabilitytypes "github.com/cosmos/ibc-go/modules/capability/types"
fee "github.com/cosmos/ibc-go/v7/modules/apps/29-fee"
"github.com/cosmos/ibc-go/v7/modules/apps/29-fee/types"
transfertypes "github.com/cosmos/ibc-go/v7/modules/apps/transfer/types"
channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
host "github.com/cosmos/ibc-go/v7/modules/core/24-host"
"github.com/cosmos/ibc-go/v7/modules/core/exported"
ibctesting "github.com/cosmos/ibc-go/v7/testing"
ibcmock "github.com/cosmos/ibc-go/v7/testing/mock"
)
var (
defaultRecvFee = sdk.Coins{sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(100)}}
defaultAckFee = sdk.Coins{sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(200)}}
defaultTimeoutFee = sdk.Coins{sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(300)}}
smallAmount = sdk.Coins{sdk.Coin{Denom: sdk.DefaultBondDenom, Amount: sdk.NewInt(50)}}
)
// Tests OnChanOpenInit on ChainA
func (suite *FeeTestSuite) TestOnChanOpenInit() {
testCases := []struct {
name string
version string
expPass bool
isFeeEnabled bool
}{
{
"success - valid fee middleware and mock version",
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: types.Version, AppVersion: ibcmock.Version})),
true,
true,
},
{
"success - fee version not included, only perform mock logic",
ibcmock.Version,
true,
false,
},
{
"invalid fee middleware version",
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: "invalid-ics29-1", AppVersion: ibcmock.Version})),
false,
false,
},
{
"invalid mock version",
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: types.Version, AppVersion: "invalid-mock-version"})),
false,
false,
},
{
"mock version not wrapped",
types.Version,
false,
false,
},
{
"passing an empty string returns default version",
"",
true,
true,
},
}
for _, tc := range testCases {
tc := tc
suite.Run(tc.name, func() {
// reset suite
suite.SetupTest()
suite.coordinator.SetupConnections(suite.path)
// setup mock callback
suite.chainA.GetSimApp().FeeMockModule.IBCApp.OnChanOpenInit = func(ctx sdk.Context, order channeltypes.Order, connectionHops []string,
portID, channelID string, chanCap *capabilitytypes.Capability,
counterparty channeltypes.Counterparty, version string,
) (string, error) {
if version != ibcmock.Version {
return "", fmt.Errorf("incorrect mock version")
}
return ibcmock.Version, nil
}
suite.path.EndpointA.ChannelID = ibctesting.FirstChannelID
counterparty := channeltypes.NewCounterparty(suite.path.EndpointB.ChannelConfig.PortID, suite.path.EndpointB.ChannelID)
channel := &channeltypes.Channel{
State: channeltypes.INIT,
Ordering: channeltypes.UNORDERED,
Counterparty: counterparty,
ConnectionHops: []string{suite.path.EndpointA.ConnectionID},
Version: tc.version,
}
module, _, err := suite.chainA.App.GetIBCKeeper().PortKeeper.LookupModuleByPort(suite.chainA.GetContext(), ibctesting.MockFeePort)
suite.Require().NoError(err)
chanCap, err := suite.chainA.App.GetScopedIBCKeeper().NewCapability(suite.chainA.GetContext(), host.ChannelCapabilityPath(suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID))
suite.Require().NoError(err)
cbs, ok := suite.chainA.App.GetIBCKeeper().Router.GetRoute(module)
suite.Require().True(ok)
version, err := cbs.OnChanOpenInit(suite.chainA.GetContext(), channel.Ordering, channel.GetConnectionHops(),
suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID, chanCap, counterparty, channel.Version)
if tc.expPass {
// check if the channel is fee enabled. If so version string should include metaData
if tc.isFeeEnabled {
versionMetadata := types.Metadata{
FeeVersion: types.Version,
AppVersion: ibcmock.Version,
}
versionBytes, err := types.ModuleCdc.MarshalJSON(&versionMetadata)
suite.Require().NoError(err)
suite.Require().Equal(version, string(versionBytes))
} else {
suite.Require().Equal(ibcmock.Version, version)
}
suite.Require().NoError(err, "unexpected error from version: %s", tc.version)
} else {
suite.Require().Error(err, "error not returned for version: %s", tc.version)
suite.Require().Equal("", version)
}
})
}
}
// Tests OnChanOpenTry on ChainA
func (suite *FeeTestSuite) TestOnChanOpenTry() {
testCases := []struct {
name string
cpVersion string
expPass bool
}{
{
"success - valid fee middleware version",
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: types.Version, AppVersion: ibcmock.Version})),
true,
},
{
"success - valid mock version",
ibcmock.Version,
true,
},
{
"invalid fee middleware version",
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: "invalid-ics29-1", AppVersion: ibcmock.Version})),
false,
},
{
"invalid mock version",
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: types.Version, AppVersion: "invalid-mock-version"})),
false,
},
}
for _, tc := range testCases {
tc := tc
suite.Run(tc.name, func() {
// reset suite
suite.SetupTest()
suite.coordinator.SetupConnections(suite.path)
err := suite.path.EndpointB.ChanOpenInit()
suite.Require().NoError(err)
// setup mock callback
suite.chainA.GetSimApp().FeeMockModule.IBCApp.OnChanOpenTry = func(ctx sdk.Context, order channeltypes.Order, connectionHops []string,
portID, channelID string, chanCap *capabilitytypes.Capability,
counterparty channeltypes.Counterparty, counterpartyVersion string,
) (string, error) {
if counterpartyVersion != ibcmock.Version {
return "", fmt.Errorf("incorrect mock version")
}
return ibcmock.Version, nil
}
var (
chanCap *capabilitytypes.Capability
ok bool
)
chanCap, err = suite.chainA.App.GetScopedIBCKeeper().NewCapability(suite.chainA.GetContext(), host.ChannelCapabilityPath(suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID))
suite.Require().NoError(err)
suite.path.EndpointA.ChannelID = ibctesting.FirstChannelID
counterparty := channeltypes.NewCounterparty(suite.path.EndpointB.ChannelConfig.PortID, suite.path.EndpointB.ChannelID)
channel := &channeltypes.Channel{
State: channeltypes.INIT,
Ordering: channeltypes.UNORDERED,
Counterparty: counterparty,
ConnectionHops: []string{suite.path.EndpointA.ConnectionID},
Version: tc.cpVersion,
}
module, _, err := suite.chainA.App.GetIBCKeeper().PortKeeper.LookupModuleByPort(suite.chainA.GetContext(), ibctesting.MockFeePort)
suite.Require().NoError(err)
cbs, ok := suite.chainA.App.GetIBCKeeper().Router.GetRoute(module)
suite.Require().True(ok)
_, err = cbs.OnChanOpenTry(suite.chainA.GetContext(), channel.Ordering, channel.GetConnectionHops(),
suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID, chanCap, counterparty, tc.cpVersion)
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
}
// Tests OnChanOpenAck on ChainA
func (suite *FeeTestSuite) TestOnChanOpenAck() {
testCases := []struct {
name string
cpVersion string
malleate func(suite *FeeTestSuite)
expPass bool
}{
{
"success",
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: types.Version, AppVersion: ibcmock.Version})),
func(suite *FeeTestSuite) {},
true,
},
{
"invalid fee version",
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: "invalid-ics29-1", AppVersion: ibcmock.Version})),
func(suite *FeeTestSuite) {},
false,
},
{
"invalid mock version",
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: types.Version, AppVersion: "invalid-mock-version"})),
func(suite *FeeTestSuite) {},
false,
},
{
"invalid version fails to unmarshal metadata",
"invalid-version",
func(suite *FeeTestSuite) {},
false,
},
{
"previous INIT set without fee, however counterparty set fee version", // note this can only happen with incompetent or malicious counterparty chain
string(types.ModuleCdc.MustMarshalJSON(&types.Metadata{FeeVersion: types.Version, AppVersion: ibcmock.Version})),
func(suite *FeeTestSuite) {
// do the first steps without fee version, then pass the fee version as counterparty version in ChanOpenACK
suite.path.EndpointA.ChannelConfig.Version = ibcmock.Version
suite.path.EndpointB.ChannelConfig.Version = ibcmock.Version
},
false,
},
}
for _, tc := range testCases {
tc := tc
suite.Run(tc.name, func() {
suite.SetupTest()
suite.coordinator.SetupConnections(suite.path)
// setup mock callback
suite.chainA.GetSimApp().FeeMockModule.IBCApp.OnChanOpenAck = func(
ctx sdk.Context, portID, channelID string, counterpartyChannelID string, counterpartyVersion string,
) error {
if counterpartyVersion != ibcmock.Version {
return fmt.Errorf("incorrect mock version")
}
return nil
}
// malleate test case
tc.malleate(suite)
err := suite.path.EndpointA.ChanOpenInit()
suite.Require().NoError(err)
err = suite.path.EndpointB.ChanOpenTry()
suite.Require().NoError(err)
module, _, err := suite.chainA.App.GetIBCKeeper().PortKeeper.LookupModuleByPort(suite.chainA.GetContext(), ibctesting.MockFeePort)
suite.Require().NoError(err)
cbs, ok := suite.chainA.App.GetIBCKeeper().Router.GetRoute(module)
suite.Require().True(ok)
err = cbs.OnChanOpenAck(suite.chainA.GetContext(), suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID, suite.path.EndpointA.Counterparty.ChannelID, tc.cpVersion)
if tc.expPass {
suite.Require().NoError(err, "unexpected error for case: %s", tc.name)
} else {
suite.Require().Error(err, "%s expected error but returned none", tc.name)
}
})
}
}
func (suite *FeeTestSuite) TestOnChanCloseInit() {
var (
refundAcc sdk.AccAddress
fee types.Fee
)
testCases := []struct {
name string
malleate func()
expPass bool
}{
{
"success", func() {}, true,
},
{
"application callback fails", func() {
suite.chainA.GetSimApp().FeeMockModule.IBCApp.OnChanCloseInit = func(
ctx sdk.Context, portID, channelID string,
) error {
return fmt.Errorf("application callback fails")
}
}, false,
},
{
"RefundFeesOnChannelClosure continues - invalid refund address", func() {
// store the fee in state & update escrow account balance
packetID := channeltypes.NewPacketID(suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID, uint64(1))
packetFees := types.NewPacketFees([]types.PacketFee{types.NewPacketFee(fee, "invalid refund address", nil)})
suite.chainA.GetSimApp().IBCFeeKeeper.SetFeesInEscrow(suite.chainA.GetContext(), packetID, packetFees)
err := suite.chainA.GetSimApp().BankKeeper.SendCoinsFromAccountToModule(suite.chainA.GetContext(), refundAcc, types.ModuleName, fee.Total())
suite.Require().NoError(err)
},
true,
},
{
"fee module locked", func() {
lockFeeModule(suite.chainA)
},
false,
},
{
"fee module is not enabled", func() {
suite.chainA.GetSimApp().IBCFeeKeeper.DeleteFeeEnabled(suite.chainA.GetContext(), suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID)
},
true,
},
}
for _, tc := range testCases {
tc := tc
suite.Run(tc.name, func() {
suite.SetupTest()
suite.coordinator.Setup(suite.path) // setup channel
packetID := channeltypes.NewPacketID(suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID, 1)
fee = types.Fee{
RecvFee: defaultRecvFee,
AckFee: defaultAckFee,
TimeoutFee: defaultTimeoutFee,
}
refundAcc = suite.chainA.SenderAccount.GetAddress()
packetFee := types.NewPacketFee(fee, refundAcc.String(), []string{})
suite.chainA.GetSimApp().IBCFeeKeeper.SetFeesInEscrow(suite.chainA.GetContext(), packetID, types.NewPacketFees([]types.PacketFee{packetFee}))
err := suite.chainA.GetSimApp().BankKeeper.SendCoinsFromAccountToModule(suite.chainA.GetContext(), refundAcc, types.ModuleName, fee.Total())
suite.Require().NoError(err)
tc.malleate()
module, _, err := suite.chainA.App.GetIBCKeeper().PortKeeper.LookupModuleByPort(suite.chainA.GetContext(), ibctesting.MockFeePort)
suite.Require().NoError(err)
cbs, ok := suite.chainA.App.GetIBCKeeper().Router.GetRoute(module)
suite.Require().True(ok)
err = cbs.OnChanCloseInit(suite.chainA.GetContext(), suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID)
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
}
// Tests OnChanCloseConfirm on chainA
func (suite *FeeTestSuite) TestOnChanCloseConfirm() {
var (
refundAcc sdk.AccAddress
fee types.Fee
)
testCases := []struct {
name string
malleate func()
expPass bool
}{
{
"success", func() {}, true,
},
{
"application callback fails", func() {
suite.chainA.GetSimApp().FeeMockModule.IBCApp.OnChanCloseConfirm = func(
ctx sdk.Context, portID, channelID string,
) error {
return fmt.Errorf("application callback fails")
}
}, false,
},
{
"RefundChannelFeesOnClosure continues - refund address is invalid", func() {
// store the fee in state & update escrow account balance
packetID := channeltypes.NewPacketID(suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID, uint64(1))
packetFees := types.NewPacketFees([]types.PacketFee{types.NewPacketFee(fee, "invalid refund address", nil)})
suite.chainA.GetSimApp().IBCFeeKeeper.SetFeesInEscrow(suite.chainA.GetContext(), packetID, packetFees)
err := suite.chainA.GetSimApp().BankKeeper.SendCoinsFromAccountToModule(suite.chainA.GetContext(), refundAcc, types.ModuleName, fee.Total())
suite.Require().NoError(err)
},
true,
},
{
"fee module locked", func() {
lockFeeModule(suite.chainA)
},
false,
},
{
"fee module is not enabled", func() {
suite.chainA.GetSimApp().IBCFeeKeeper.DeleteFeeEnabled(suite.chainA.GetContext(), suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID)
},
true,
},
}
for _, tc := range testCases {
tc := tc
suite.Run(tc.name, func() {
suite.SetupTest()
suite.coordinator.Setup(suite.path) // setup channel
packetID := channeltypes.NewPacketID(suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID, 1)
fee = types.Fee{
RecvFee: defaultRecvFee,
AckFee: defaultAckFee,
TimeoutFee: defaultTimeoutFee,
}
refundAcc = suite.chainA.SenderAccount.GetAddress()
packetFee := types.NewPacketFee(fee, refundAcc.String(), []string{})
suite.chainA.GetSimApp().IBCFeeKeeper.SetFeesInEscrow(suite.chainA.GetContext(), packetID, types.NewPacketFees([]types.PacketFee{packetFee}))
err := suite.chainA.GetSimApp().BankKeeper.SendCoinsFromAccountToModule(suite.chainA.GetContext(), refundAcc, types.ModuleName, fee.Total())
suite.Require().NoError(err)
tc.malleate()
module, _, err := suite.chainA.App.GetIBCKeeper().PortKeeper.LookupModuleByPort(suite.chainA.GetContext(), ibctesting.MockFeePort)
suite.Require().NoError(err)
cbs, ok := suite.chainA.App.GetIBCKeeper().Router.GetRoute(module)
suite.Require().True(ok)
err = cbs.OnChanCloseConfirm(suite.chainA.GetContext(), suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID)
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
}
func (suite *FeeTestSuite) TestOnRecvPacket() {
testCases := []struct {
name string
malleate func()
// forwardRelayer bool indicates if there is a forwardRelayer address set
forwardRelayer bool
feeEnabled bool
}{
{
"success",
func() {},
true,
true,
},
{
"async write acknowledgement: ack is nil",
func() {
// setup mock callback
suite.chainB.GetSimApp().FeeMockModule.IBCApp.OnRecvPacket = func(
ctx sdk.Context,
packet channeltypes.Packet,
relayer sdk.AccAddress,
) exported.Acknowledgement {
return nil
}
},
true,
true,
},
{
"fee not enabled",
func() {
suite.chainB.GetSimApp().IBCFeeKeeper.DeleteFeeEnabled(suite.chainB.GetContext(), suite.path.EndpointB.ChannelConfig.PortID, suite.path.EndpointB.ChannelID)
},
true,
false,
},
{
"forward address is not found",
func() {
suite.chainB.GetSimApp().IBCFeeKeeper.SetCounterpartyPayeeAddress(suite.chainB.GetContext(), suite.chainA.SenderAccount.GetAddress().String(), "", suite.path.EndpointB.ChannelID)
},
false,
true,
},
}
for _, tc := range testCases {
tc := tc
suite.Run(tc.name, func() {
suite.SetupTest()
// setup pathAToC (chainA -> chainC) first in order to have different channel IDs for chainA & chainB
suite.coordinator.Setup(suite.pathAToC)
// setup path for chainA -> chainB
suite.coordinator.Setup(suite.path)
suite.chainB.GetSimApp().IBCFeeKeeper.SetFeeEnabled(suite.chainB.GetContext(), suite.path.EndpointB.ChannelConfig.PortID, suite.path.EndpointB.ChannelID)
packet := suite.CreateMockPacket()
// set up module and callbacks
module, _, err := suite.chainB.App.GetIBCKeeper().PortKeeper.LookupModuleByPort(suite.chainB.GetContext(), ibctesting.MockFeePort)
suite.Require().NoError(err)
cbs, ok := suite.chainB.App.GetIBCKeeper().Router.GetRoute(module)
suite.Require().True(ok)
suite.chainB.GetSimApp().IBCFeeKeeper.SetCounterpartyPayeeAddress(suite.chainB.GetContext(), suite.chainA.SenderAccount.GetAddress().String(), suite.chainB.SenderAccount.GetAddress().String(), suite.path.EndpointB.ChannelID)
// malleate test case
tc.malleate()
result := cbs.OnRecvPacket(suite.chainB.GetContext(), packet, suite.chainA.SenderAccount.GetAddress())
switch {
case tc.name == "success":
forwardAddr, _ := suite.chainB.GetSimApp().IBCFeeKeeper.GetCounterpartyPayeeAddress(suite.chainB.GetContext(), suite.chainA.SenderAccount.GetAddress().String(), suite.path.EndpointB.ChannelID)
expectedAck := types.IncentivizedAcknowledgement{
AppAcknowledgement: ibcmock.MockAcknowledgement.Acknowledgement(),
ForwardRelayerAddress: forwardAddr,
UnderlyingAppSuccess: true,
}
suite.Require().Equal(expectedAck, result)
case !tc.feeEnabled:
suite.Require().Equal(ibcmock.MockAcknowledgement, result)
case tc.forwardRelayer && result == nil:
suite.Require().Equal(nil, result)
packetID := channeltypes.NewPacketID(packet.GetDestPort(), packet.GetDestChannel(), packet.GetSequence())
// retrieve the forward relayer that was stored in `onRecvPacket`
relayer, _ := suite.chainB.GetSimApp().IBCFeeKeeper.GetRelayerAddressForAsyncAck(suite.chainB.GetContext(), packetID)
suite.Require().Equal(relayer, suite.chainA.SenderAccount.GetAddress().String())
case !tc.forwardRelayer:
expectedAck := types.IncentivizedAcknowledgement{
AppAcknowledgement: ibcmock.MockAcknowledgement.Acknowledgement(),
ForwardRelayerAddress: "",
UnderlyingAppSuccess: true,
}
suite.Require().Equal(expectedAck, result)
}
})
}
}
func (suite *FeeTestSuite) TestOnAcknowledgementPacket() {
var (
ack []byte
packetID channeltypes.PacketId
packetFee types.PacketFee
refundAddr sdk.AccAddress
relayerAddr sdk.AccAddress
expRefundAccBalance sdk.Coins
expPayeeAccBalance sdk.Coins
)
testCases := []struct {
name string
malleate func()
expPass bool
expResult func()
}{
{
"success",
func() {
// retrieve the relayer acc balance and add the expected recv and ack fees
relayerAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), relayerAddr, sdk.DefaultBondDenom))
expPayeeAccBalance = relayerAccBalance.Add(packetFee.Fee.RecvFee...).Add(packetFee.Fee.AckFee...)
// retrieve the refund acc balance and add the expected timeout fees
refundAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom))
expRefundAccBalance = refundAccBalance.Add(packetFee.Fee.TimeoutFee...)
},
true,
func() {
// assert that the packet fees have been distributed
found := suite.chainA.GetSimApp().IBCFeeKeeper.HasFeesInEscrow(suite.chainA.GetContext(), packetID)
suite.Require().False(found)
relayerAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), relayerAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expPayeeAccBalance, sdk.NewCoins(relayerAccBalance))
refundAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expRefundAccBalance, sdk.NewCoins(refundAccBalance))
},
},
{
"success: with registered payee address",
func() {
payeeAddr := suite.chainA.SenderAccounts[2].SenderAccount.GetAddress()
suite.chainA.GetSimApp().IBCFeeKeeper.SetPayeeAddress(
suite.chainA.GetContext(),
suite.chainA.SenderAccount.GetAddress().String(),
payeeAddr.String(),
suite.path.EndpointA.ChannelID,
)
// reassign ack.ForwardRelayerAddress to the registered payee address
ack = types.NewIncentivizedAcknowledgement(payeeAddr.String(), ibcmock.MockAcknowledgement.Acknowledgement(), true).Acknowledgement()
// retrieve the payee acc balance and add the expected recv and ack fees
payeeAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), payeeAddr, sdk.DefaultBondDenom))
expPayeeAccBalance = payeeAccBalance.Add(packetFee.Fee.RecvFee...).Add(packetFee.Fee.AckFee...)
// retrieve the refund acc balance and add the expected timeout fees
refundAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom))
expRefundAccBalance = refundAccBalance.Add(packetFee.Fee.TimeoutFee...)
},
true,
func() {
// assert that the packet fees have been distributed
found := suite.chainA.GetSimApp().IBCFeeKeeper.HasFeesInEscrow(suite.chainA.GetContext(), packetID)
suite.Require().False(found)
payeeAddr := suite.chainA.SenderAccounts[2].SenderAccount.GetAddress()
payeeAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), payeeAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expPayeeAccBalance, sdk.NewCoins(payeeAccBalance))
refundAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expRefundAccBalance, sdk.NewCoins(refundAccBalance))
},
},
{
"success: no op without a packet fee",
func() {
suite.chainA.GetSimApp().IBCFeeKeeper.DeleteFeesInEscrow(suite.chainA.GetContext(), packetID)
ack = types.IncentivizedAcknowledgement{
AppAcknowledgement: ibcmock.MockAcknowledgement.Acknowledgement(),
ForwardRelayerAddress: "",
}.Acknowledgement()
},
true,
func() {
found := suite.chainA.GetSimApp().IBCFeeKeeper.HasFeesInEscrow(suite.chainA.GetContext(), packetID)
suite.Require().False(found)
},
},
{
"success: channel is not fee enabled",
func() {
suite.chainA.GetSimApp().IBCFeeKeeper.DeleteFeeEnabled(suite.chainA.GetContext(), suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID)
ack = ibcmock.MockAcknowledgement.Acknowledgement()
},
true,
func() {},
},
{
"success: fee module is disabled, skip fee logic",
func() {
lockFeeModule(suite.chainA)
},
true,
func() {
suite.Require().Equal(true, suite.chainA.GetSimApp().IBCFeeKeeper.IsLocked(suite.chainA.GetContext()))
},
},
{
"success: fail to distribute recv fee (blocked address), returned to refund account",
func() {
blockedAddr := suite.chainA.GetSimApp().AccountKeeper.GetModuleAccount(suite.chainA.GetContext(), transfertypes.ModuleName).GetAddress()
// reassign ack.ForwardRelayerAddress to a blocked address
ack = types.NewIncentivizedAcknowledgement(blockedAddr.String(), ibcmock.MockAcknowledgement.Acknowledgement(), true).Acknowledgement()
// retrieve the relayer acc balance and add the expected ack fees
relayerAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), relayerAddr, sdk.DefaultBondDenom))
expPayeeAccBalance = relayerAccBalance.Add(packetFee.Fee.AckFee...)
// retrieve the refund acc balance and add the expected recv fees and timeout fees
refundAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom))
expRefundAccBalance = refundAccBalance.Add(packetFee.Fee.RecvFee...).Add(packetFee.Fee.TimeoutFee...)
},
true,
func() {
// assert that the packet fees have been distributed
found := suite.chainA.GetSimApp().IBCFeeKeeper.HasFeesInEscrow(suite.chainA.GetContext(), packetID)
suite.Require().False(found)
relayerAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), relayerAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expPayeeAccBalance, sdk.NewCoins(relayerAccBalance))
refundAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expRefundAccBalance, sdk.NewCoins(refundAccBalance))
},
},
{
"fail: fee distribution fails and fee module is locked when escrow account does not have sufficient funds",
func() {
err := suite.chainA.GetSimApp().BankKeeper.SendCoinsFromModuleToAccount(suite.chainA.GetContext(), types.ModuleName, suite.chainA.SenderAccount.GetAddress(), smallAmount)
suite.Require().NoError(err)
},
true,
func() {
suite.Require().Equal(true, suite.chainA.GetSimApp().IBCFeeKeeper.IsLocked(suite.chainA.GetContext()))
},
},
{
"ack wrong format",
func() {
ack = []byte("unsupported acknowledgement format")
},
false,
func() {},
},
{
"invalid registered payee address",
func() {
payeeAddr := "invalid-address"
suite.chainA.GetSimApp().IBCFeeKeeper.SetPayeeAddress(
suite.chainA.GetContext(),
suite.chainA.SenderAccount.GetAddress().String(),
payeeAddr,
suite.path.EndpointA.ChannelID,
)
},
false,
func() {},
},
{
"application callback fails",
func() {
suite.chainA.GetSimApp().FeeMockModule.IBCApp.OnAcknowledgementPacket = func(_ sdk.Context, _ channeltypes.Packet, _ []byte, _ sdk.AccAddress) error {
return fmt.Errorf("mock fee app callback fails")
}
},
false,
func() {},
},
}
for _, tc := range testCases {
tc := tc
suite.Run(tc.name, func() {
suite.SetupTest()
suite.coordinator.Setup(suite.path)
relayerAddr = suite.chainA.SenderAccounts[0].SenderAccount.GetAddress()
refundAddr = suite.chainA.SenderAccounts[1].SenderAccount.GetAddress()
packet := suite.CreateMockPacket()
packetID = channeltypes.NewPacketID(packet.GetSourcePort(), packet.GetSourceChannel(), packet.GetSequence())
packetFee = types.NewPacketFee(types.NewFee(defaultRecvFee, defaultAckFee, defaultTimeoutFee), refundAddr.String(), nil)
suite.chainA.GetSimApp().IBCFeeKeeper.SetFeesInEscrow(suite.chainA.GetContext(), packetID, types.NewPacketFees([]types.PacketFee{packetFee}))
err := suite.chainA.GetSimApp().BankKeeper.SendCoinsFromAccountToModule(suite.chainA.GetContext(), refundAddr, types.ModuleName, packetFee.Fee.Total())
suite.Require().NoError(err)
ack = types.NewIncentivizedAcknowledgement(relayerAddr.String(), ibcmock.MockAcknowledgement.Acknowledgement(), true).Acknowledgement()
tc.malleate() // malleate mutates test data
// retrieve module callbacks
module, _, err := suite.chainA.App.GetIBCKeeper().PortKeeper.LookupModuleByPort(suite.chainA.GetContext(), ibctesting.MockFeePort)
suite.Require().NoError(err)
cbs, ok := suite.chainA.App.GetIBCKeeper().Router.GetRoute(module)
suite.Require().True(ok)
err = cbs.OnAcknowledgementPacket(suite.chainA.GetContext(), packet, ack, relayerAddr)
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
tc.expResult()
})
}
}
func (suite *FeeTestSuite) TestOnTimeoutPacket() {
var (
packetID channeltypes.PacketId
packetFee types.PacketFee
refundAddr sdk.AccAddress
relayerAddr sdk.AccAddress
expRefundAccBalance sdk.Coins
expPayeeAccBalance sdk.Coins
)
testCases := []struct {
name string
malleate func()
expPass bool
expResult func()
}{
{
"success",
func() {
// retrieve the relayer acc balance and add the expected timeout fees
relayerAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), relayerAddr, sdk.DefaultBondDenom))
expPayeeAccBalance = relayerAccBalance.Add(packetFee.Fee.TimeoutFee...)
// retrieve the refund acc balance and add the expected recv and ack fees
refundAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom))
expRefundAccBalance = refundAccBalance.Add(packetFee.Fee.RecvFee...).Add(packetFee.Fee.AckFee...)
},
true,
func() {
// assert that the packet fees have been distributed
found := suite.chainA.GetSimApp().IBCFeeKeeper.HasFeesInEscrow(suite.chainA.GetContext(), packetID)
suite.Require().False(found)
relayerAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), relayerAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expPayeeAccBalance, sdk.NewCoins(relayerAccBalance))
refundAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expRefundAccBalance, sdk.NewCoins(refundAccBalance))
},
},
{
"success: with registered payee address",
func() {
payeeAddr := suite.chainA.SenderAccounts[2].SenderAccount.GetAddress()
suite.chainA.GetSimApp().IBCFeeKeeper.SetPayeeAddress(
suite.chainA.GetContext(),
suite.chainA.SenderAccount.GetAddress().String(),
payeeAddr.String(),
suite.path.EndpointA.ChannelID,
)
// retrieve the relayer acc balance and add the expected timeout fees
payeeAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), payeeAddr, sdk.DefaultBondDenom))
expPayeeAccBalance = payeeAccBalance.Add(packetFee.Fee.TimeoutFee...)
// retrieve the refund acc balance and add the expected recv and ack fees
refundAccBalance := sdk.NewCoins(suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom))
expRefundAccBalance = refundAccBalance.Add(packetFee.Fee.RecvFee...).Add(packetFee.Fee.AckFee...)
},
true,
func() {
// assert that the packet fees have been distributed
found := suite.chainA.GetSimApp().IBCFeeKeeper.HasFeesInEscrow(suite.chainA.GetContext(), packetID)
suite.Require().False(found)
payeeAddr := suite.chainA.SenderAccounts[2].SenderAccount.GetAddress()
payeeAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), payeeAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expPayeeAccBalance, sdk.NewCoins(payeeAccBalance))
refundAccBalance := suite.chainA.GetSimApp().BankKeeper.GetBalance(suite.chainA.GetContext(), refundAddr, sdk.DefaultBondDenom)
suite.Require().Equal(expRefundAccBalance, sdk.NewCoins(refundAccBalance))
},
},
{
"success: channel is not fee enabled",
func() {
suite.chainA.GetSimApp().IBCFeeKeeper.DeleteFeeEnabled(suite.chainA.GetContext(), suite.path.EndpointA.ChannelConfig.PortID, suite.path.EndpointA.ChannelID)
},
true,
func() {},
},
{
"success: fee module is disabled, skip fee logic",
func() {
lockFeeModule(suite.chainA)
},
true,
func() {
suite.Require().Equal(true, suite.chainA.GetSimApp().IBCFeeKeeper.IsLocked(suite.chainA.GetContext()))
},
},
{
"success: no op if identified packet fee doesn't exist",
func() {
suite.chainA.GetSimApp().IBCFeeKeeper.DeleteFeesInEscrow(suite.chainA.GetContext(), packetID)
},
true,
func() {},
},
{
"success: fail to distribute timeout fee (blocked address), returned to refund account",
func() {
relayerAddr = suite.chainA.GetSimApp().AccountKeeper.GetModuleAccount(suite.chainA.GetContext(), transfertypes.ModuleName).GetAddress()
},
true,
func() {},
},
{
"fee distribution fails and fee module is locked when escrow account does not have sufficient funds",
func() {
err := suite.chainA.GetSimApp().BankKeeper.SendCoinsFromModuleToAccount(suite.chainA.GetContext(), types.ModuleName, suite.chainA.SenderAccount.GetAddress(), smallAmount)
suite.Require().NoError(err)
},
true,
func() {
suite.Require().Equal(true, suite.chainA.GetSimApp().IBCFeeKeeper.IsLocked(suite.chainA.GetContext()))
},
},
{
"invalid registered payee address",
func() {
payeeAddr := "invalid-address"
suite.chainA.GetSimApp().IBCFeeKeeper.SetPayeeAddress(
suite.chainA.GetContext(),
suite.chainA.SenderAccount.GetAddress().String(),
payeeAddr,
suite.path.EndpointA.ChannelID,
)
},
false,
func() {},
},
{
"application callback fails",
func() {
suite.chainA.GetSimApp().FeeMockModule.IBCApp.OnTimeoutPacket = func(_ sdk.Context, _ channeltypes.Packet, _ sdk.AccAddress) error {
return fmt.Errorf("mock fee app callback fails")
}
},
false,
func() {},
},
}
for _, tc := range testCases {
tc := tc
suite.Run(tc.name, func() {
suite.SetupTest()
suite.coordinator.Setup(suite.path)
relayerAddr = suite.chainA.SenderAccounts[0].SenderAccount.GetAddress()
refundAddr = suite.chainA.SenderAccounts[1].SenderAccount.GetAddress()
packet := suite.CreateMockPacket()
packetID = channeltypes.NewPacketID(packet.GetSourcePort(), packet.GetSourceChannel(), packet.GetSequence())
packetFee = types.NewPacketFee(types.NewFee(defaultRecvFee, defaultAckFee, defaultTimeoutFee), refundAddr.String(), nil)
suite.chainA.GetSimApp().IBCFeeKeeper.SetFeesInEscrow(suite.chainA.GetContext(), packetID, types.NewPacketFees([]types.PacketFee{packetFee}))
err := suite.chainA.GetSimApp().BankKeeper.SendCoinsFromAccountToModule(suite.chainA.GetContext(), suite.chainA.SenderAccount.GetAddress(), types.ModuleName, packetFee.Fee.Total())
suite.Require().NoError(err)
tc.malleate() // malleate mutates test data
// retrieve module callbacks
module, _, err := suite.chainA.App.GetIBCKeeper().PortKeeper.LookupModuleByPort(suite.chainA.GetContext(), ibctesting.MockFeePort)
suite.Require().NoError(err)
cbs, ok := suite.chainA.App.GetIBCKeeper().Router.GetRoute(module)
suite.Require().True(ok)
err = cbs.OnTimeoutPacket(suite.chainA.GetContext(), packet, relayerAddr)
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}