Merge pull request #5964 from multiversx/chain_simulator_processor_tests

Chain simulator processor tests

integrationTests/testProcessorNode.go

@@ -3493,7 +3493,7 @@ func getDefaultNodesSetup(maxShards, numNodes uint32, address []byte, pksBytes m
 
 func getDefaultNodesCoordinator(maxShards uint32, pksBytes map[uint32][]byte) nodesCoordinator.NodesCoordinator {
 	return &shardingMocks.NodesCoordinatorStub{
-		ComputeValidatorsGroupCalled: func(randomness []byte, round uint64, shardId uint32, epoch uint32) (validators []nodesCoordinator.Validator, err error) {
+		ComputeConsensusGroupCalled: func(randomness []byte, round uint64, shardId uint32, epoch uint32) (validators []nodesCoordinator.Validator, err error) {
 			v, _ := nodesCoordinator.NewValidator(pksBytes[shardId], 1, defaultChancesSelection)
 			return []nodesCoordinator.Validator{v}, nil
 		},

node/chainSimulator/process/errors.go

@@ -0,0 +1,6 @@
+package process
+
+import "errors"
+
+// ErrNilNodeHandler signals that a nil node handler has been provided
+var ErrNilNodeHandler = errors.New("nil node handler")

node/chainSimulator/process/processor.go

@@ -1,6 +1,7 @@
 package process
 
 import (
+	"github.com/multiversx/mx-chain-core-go/core/check"
 	"github.com/multiversx/mx-chain-core-go/data"
 	"github.com/multiversx/mx-chain-go/common"
 	"github.com/multiversx/mx-chain-go/consensus/spos"
@@ -20,6 +21,10 @@ type blocksCreator struct {
 
 // NewBlocksCreator will create a new instance of blocksCreator
 func NewBlocksCreator(nodeHandler NodeHandler) (*blocksCreator, error) {
+	if check.IfNil(nodeHandler) {
+		return nil, ErrNilNodeHandler
+	}
+
 	return &blocksCreator{
 		nodeHandler: nodeHandler,
 	}, nil
@@ -70,7 +75,7 @@ func (creator *blocksCreator) CreateNewBlock() error {
 		return err
 	}
 
-	headerCreationTime := creator.nodeHandler.GetProcessComponents().RoundHandler().TimeStamp()
+	headerCreationTime := creator.nodeHandler.GetCoreComponents().RoundHandler().TimeStamp()
 	err = newHeader.SetTimeStamp(uint64(headerCreationTime.Unix()))
 	if err != nil {
 		return err