modify evidence hashes

test/e2e/runner/evidence.go

@@ -20,10 +20,7 @@ import (
 )
 
 // 1 in 11 evidence is light client evidence, the rest is duplicate vote
-// FIXME: Setting to 11 disables light client attack evidence since nodes
-// don't follow a minimum retention height invariant. When we fix this we
-// should use a ratio of 4.
-const lightClientEvidenceRatio = 11
+const lightClientEvidenceRatio = 4
 
 // InjectEvidence takes a running testnet and generates an amount of valid
 // evidence and broadcasts it to a random node through the rpc endpoint `/broadcast_evidence`.
@@ -74,7 +71,7 @@ func InjectEvidence(testnet *e2e.Testnet, amount int) error {
 	duplicateVoteTime := status.SyncInfo.LatestBlockTime
 
 	var ev types.Evidence
-	for i := 0; i < amount; i++ {
+	for i := 1; i <= amount; i++ {
 		if i%lightClientEvidenceRatio == 0 {
 			ev, err = generateLightClientAttackEvidence(
 				privVals, lightEvidenceCommonHeight, valSet, testnet.Name, blockRes.Block.Time,