Mukan Erkin Törük
6852832fe8
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236 lines
8.6 KiB
Go
236 lines
8.6 KiB
Go
package tendermint_test
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import (
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"time"
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clienttypes "github.com/cosmos/ibc-go/v10/modules/core/02-client/types"
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"github.com/cosmos/ibc-go/v10/modules/core/exported"
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ibctm "github.com/cosmos/ibc-go/v10/modules/light-clients/07-tendermint"
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ibctesting "github.com/cosmos/ibc-go/v10/testing"
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)
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var frozenHeight = clienttypes.NewHeight(0, 1)
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func (suite *TendermintTestSuite) TestCheckSubstituteUpdateStateBasic() {
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var (
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substituteClientState exported.ClientState
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substitutePath *ibctesting.Path
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)
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testCases := []struct {
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name string
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malleate func()
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}{
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{
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"solo machine used for substitute", func() {
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substituteClientState = ibctesting.NewSolomachine(suite.T(), suite.cdc, "solo machine", "", 1).ClientState()
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},
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},
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{
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"non-matching substitute", func() {
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substitutePath.SetupClients()
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substituteClientState, ok := suite.chainA.GetClientState(substitutePath.EndpointA.ClientID).(*ibctm.ClientState)
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suite.Require().True(ok)
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// change trusting period so that test should fail
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substituteClientState.TrustingPeriod = time.Hour * 24 * 7
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tmClientState := substituteClientState
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tmClientState.ChainId += "different chain"
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},
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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suite.SetupTest() // reset
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subjectPath := ibctesting.NewPath(suite.chainA, suite.chainB)
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substitutePath = ibctesting.NewPath(suite.chainA, suite.chainB)
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subjectPath.SetupClients()
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subjectClientState, ok := suite.chainA.GetClientState(subjectPath.EndpointA.ClientID).(*ibctm.ClientState)
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suite.Require().True(ok)
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// expire subject client
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suite.coordinator.IncrementTimeBy(subjectClientState.TrustingPeriod)
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suite.coordinator.CommitBlock(suite.chainA, suite.chainB)
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tc.malleate()
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subjectClientStore := suite.chainA.App.GetIBCKeeper().ClientKeeper.ClientStore(suite.chainA.GetContext(), subjectPath.EndpointA.ClientID)
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substituteClientStore := suite.chainA.App.GetIBCKeeper().ClientKeeper.ClientStore(suite.chainA.GetContext(), substitutePath.EndpointA.ClientID)
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err := subjectClientState.CheckSubstituteAndUpdateState(suite.chainA.GetContext(), suite.chainA.App.AppCodec(), subjectClientStore, substituteClientStore, substituteClientState)
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suite.Require().Error(err)
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})
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}
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}
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func (suite *TendermintTestSuite) TestCheckSubstituteAndUpdateState() {
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testCases := []struct {
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name string
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FreezeClient bool
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expError error
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}{
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{
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name: "PASS: update checks are deprecated, client is not frozen",
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FreezeClient: false,
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expError: nil,
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},
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{
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name: "PASS: update checks are deprecated, client is frozen",
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FreezeClient: true,
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expError: nil,
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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suite.SetupTest() // reset
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// construct subject using test case parameters
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subjectPath := ibctesting.NewPath(suite.chainA, suite.chainB)
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subjectPath.SetupClients()
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subjectClientState, ok := suite.chainA.GetClientState(subjectPath.EndpointA.ClientID).(*ibctm.ClientState)
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suite.Require().True(ok)
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if tc.FreezeClient {
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subjectClientState.FrozenHeight = frozenHeight
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}
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// construct the substitute to match the subject client
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substitutePath := ibctesting.NewPath(suite.chainA, suite.chainB)
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substitutePath.SetupClients()
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substituteClientState, ok := suite.chainA.GetClientState(substitutePath.EndpointA.ClientID).(*ibctm.ClientState)
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suite.Require().True(ok)
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// update trusting period of substitute client state
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substituteClientState.TrustingPeriod = time.Hour * 24 * 7
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suite.chainA.App.GetIBCKeeper().ClientKeeper.SetClientState(suite.chainA.GetContext(), substitutePath.EndpointA.ClientID, substituteClientState)
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// update substitute a few times
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for range 3 {
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err := substitutePath.EndpointA.UpdateClient()
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suite.Require().NoError(err)
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// skip a block
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suite.coordinator.CommitBlock(suite.chainA, suite.chainB)
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}
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// get updated substitute
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substituteClientState, ok = suite.chainA.GetClientState(substitutePath.EndpointA.ClientID).(*ibctm.ClientState)
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suite.Require().True(ok)
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// test that subject gets updated chain-id
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newChainID := "new-chain-id"
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substituteClientState.ChainId = newChainID
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subjectClientStore := suite.chainA.App.GetIBCKeeper().ClientKeeper.ClientStore(suite.chainA.GetContext(), subjectPath.EndpointA.ClientID)
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substituteClientStore := suite.chainA.App.GetIBCKeeper().ClientKeeper.ClientStore(suite.chainA.GetContext(), substitutePath.EndpointA.ClientID)
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expectedConsState := substitutePath.EndpointA.GetConsensusState(substituteClientState.LatestHeight)
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expectedProcessedTime, found := ibctm.GetProcessedTime(substituteClientStore, substituteClientState.LatestHeight)
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suite.Require().True(found)
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expectedProcessedHeight, found := ibctm.GetProcessedTime(substituteClientStore, substituteClientState.LatestHeight)
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suite.Require().True(found)
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expectedIterationKey := ibctm.GetIterationKey(substituteClientStore, substituteClientState.LatestHeight)
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err := subjectClientState.CheckSubstituteAndUpdateState(suite.chainA.GetContext(), suite.chainA.App.AppCodec(), subjectClientStore, substituteClientStore, substituteClientState)
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if tc.expError == nil {
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suite.Require().NoError(err)
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updatedClient, ok := subjectPath.EndpointA.GetClientState().(*ibctm.ClientState)
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suite.Require().True(ok)
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suite.Require().Equal(clienttypes.ZeroHeight(), updatedClient.FrozenHeight)
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subjectClientStore := suite.chainA.App.GetIBCKeeper().ClientKeeper.ClientStore(suite.chainA.GetContext(), subjectPath.EndpointA.ClientID)
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// check that the correct consensus state was copied over
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suite.Require().Equal(substituteClientState.LatestHeight, updatedClient.LatestHeight)
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subjectConsState := subjectPath.EndpointA.GetConsensusState(updatedClient.LatestHeight)
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subjectProcessedTime, found := ibctm.GetProcessedTime(subjectClientStore, updatedClient.LatestHeight)
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suite.Require().True(found)
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subjectProcessedHeight, found := ibctm.GetProcessedTime(substituteClientStore, updatedClient.LatestHeight)
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suite.Require().True(found)
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subjectIterationKey := ibctm.GetIterationKey(substituteClientStore, updatedClient.LatestHeight)
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suite.Require().Equal(expectedConsState, subjectConsState)
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suite.Require().Equal(expectedProcessedTime, subjectProcessedTime)
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suite.Require().Equal(expectedProcessedHeight, subjectProcessedHeight)
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suite.Require().Equal(expectedIterationKey, subjectIterationKey)
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suite.Require().Equal(newChainID, updatedClient.ChainId)
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suite.Require().Equal(time.Hour*24*7, updatedClient.TrustingPeriod)
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} else {
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suite.Require().Error(err)
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suite.Require().ErrorContains(err, tc.expError.Error())
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}
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})
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}
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}
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func (suite *TendermintTestSuite) TestIsMatchingClientState() {
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var (
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subjectPath, substitutePath *ibctesting.Path
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subjectClientState, substituteClientState *ibctm.ClientState
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)
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testCases := []struct {
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name string
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malleate func()
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isMatch bool
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}{
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{
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"matching clients", func() {
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var ok bool
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subjectClientState, ok = suite.chainA.GetClientState(subjectPath.EndpointA.ClientID).(*ibctm.ClientState)
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suite.Require().True(ok)
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substituteClientState, ok = suite.chainA.GetClientState(substitutePath.EndpointA.ClientID).(*ibctm.ClientState)
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suite.Require().True(ok)
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}, true,
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},
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{
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"matching, frozen height is not used in check for equality", func() {
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subjectClientState.FrozenHeight = frozenHeight
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substituteClientState.FrozenHeight = clienttypes.ZeroHeight()
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}, true,
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},
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{
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"matching, latest height is not used in check for equality", func() {
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subjectClientState.LatestHeight = clienttypes.NewHeight(0, 10)
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substituteClientState.FrozenHeight = clienttypes.ZeroHeight()
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}, true,
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},
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{
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"matching, chain id is different", func() {
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subjectClientState.ChainId = "bitcoin"
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substituteClientState.ChainId = "ethereum"
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}, true,
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},
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{
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"matching, trusting period is different", func() {
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subjectClientState.TrustingPeriod = time.Hour * 10
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substituteClientState.TrustingPeriod = time.Hour * 1
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}, true,
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},
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{
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"not matching, trust level is different", func() {
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subjectClientState.TrustLevel = ibctm.Fraction{2, 3}
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substituteClientState.TrustLevel = ibctm.Fraction{1, 3}
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}, false,
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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suite.SetupTest() // reset
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subjectPath = ibctesting.NewPath(suite.chainA, suite.chainB)
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substitutePath = ibctesting.NewPath(suite.chainA, suite.chainB)
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subjectPath.SetupClients()
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substitutePath.SetupClients()
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tc.malleate()
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suite.Require().Equal(tc.isMatch, ibctm.IsMatchingClientState(*subjectClientState, *substituteClientState))
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})
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}
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}
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