ibc: remove GetClientConsensusStateLTE (cosmos#7812)

x/ibc/core/02-client/keeper/keeper.go

@@ -156,22 +156,6 @@ func (k Keeper) GetLatestClientConsensusState(ctx sdk.Context, clientID string)
 	return k.GetClientConsensusState(ctx, clientID, clientState.GetLatestHeight())
 }
 
-// GetClientConsensusStateLTE will get the latest ConsensusState of a particular client at the latest height
-// less than or equal to the given height
-// It will only search for heights within the same version
-func (k Keeper) GetClientConsensusStateLTE(ctx sdk.Context, clientID string, maxHeight exported.Height) (exported.ConsensusState, bool) {
-	h := maxHeight
-	ok := true
-	for ok {
-		found := k.HasClientConsensusState(ctx, clientID, h)
-		if found {
-			return k.GetClientConsensusState(ctx, clientID, h)
-		}
-		h, ok = h.Decrement()
-	}
-	return nil, false
-}
-
 // GetSelfConsensusState introspects the (self) past historical info at a given height
 // and returns the expected consensus state at that height.
 // For now, can only retrieve self consensus states for the current version

x/ibc/core/02-client/keeper/keeper_test.go

@@ -340,11 +340,6 @@ func (suite KeeperTestSuite) TestConsensusStateHelpers() {
 	latest, ok := suite.keeper.GetLatestClientConsensusState(suite.ctx, testClientID)
 	suite.Require().True(ok)
 	suite.Require().Equal(nextState, latest, "Latest client not returned correctly")
-
-	// Should return existing consensusState at latestClientHeight
-	lte, ok := suite.keeper.GetClientConsensusStateLTE(suite.ctx, testClientID, types.NewHeight(0, height+3))
-	suite.Require().True(ok)
-	suite.Require().Equal(suite.consensusState, lte, "LTE helper function did not return latest client state below height: %d", height+3)
 }
 
 // 2 clients in total are created on chainA. The first client is updated so it contains an initial consensus state