Test with Retention = 20 mins, MaxLogsKept = 100,000

core/services/relay/evm/contract_transmitter.go

@@ -112,12 +112,11 @@ func NewOCRContractTransmitter(
 		opt(newContractTransmitter)
 	}
 
-	// TODO It would be better to keep MaxLogsKept = 1 for the OCR contract transmitter instead of Retention. We are always interested only in the latest log.
-	// Although MaxLogsKept is present in the Filter struct, it is not supported by LogPoller yet.
 	err := lp.RegisterFilter(ctx, logpoller.Filter{
 		Name:      transmitterFilterName(address),
 		EventSigs: []common.Hash{transmitted.ID},
-		Addresses: []common.Address{address}, MaxLogsKept: 1},
+		Retention: 10 * time.Minute,
+		Addresses: []common.Address{address}, MaxLogsKept: 100000},
 	)
 	if err != nil {
 		return nil, err