consensus: store ProtocolConfiguration in consensus config

pkg/consensus/consensus.go

@@ -73,9 +73,6 @@ type service struct {
 	blockEvents  chan *coreb.Block
 	lastProposal []util.Uint256
 	wallet       *wallet.Wallet
-	network      netmode.Magic
-	// stateRootEnabled specifies if state root should be exchanged and checked during consensus.
-	stateRootEnabled bool
 	// started is a flag set with Start method that runs an event handling
 	// goroutine.
 	started  *atomic.Bool
@@ -97,6 +94,8 @@ type Config struct {
 	Broadcast func(p *npayload.Extensible)
 	// Chain is a core.Blockchainer instance.
 	Chain blockchainer.Blockchainer
+	// ProtocolConfiguration contains protocol settings.
+	ProtocolConfiguration config.ProtocolConfiguration
 	// RequestTx is a callback to which will be called
 	// when a node lacks transactions present in a block.
 	RequestTx func(h ...util.Uint256)
@@ -125,8 +124,6 @@ func NewService(cfg Config) (Service, error) {
 
 		transactions: make(chan *transaction.Transaction, 100),
 		blockEvents:  make(chan *coreb.Block, 1),
-		network:          cfg.Chain.GetConfig().Magic,
-		stateRootEnabled: cfg.Chain.GetConfig().StateRootInHeader,
 		started:      atomic.NewBool(false),
 		quit:         make(chan struct{}),
 		finished:     make(chan struct{}),
@@ -182,7 +179,7 @@ func NewService(cfg Config) (Service, error) {
 		dbft.WithNewCommit(func() payload.Commit { return new(commit) }),
 		dbft.WithNewRecoveryRequest(func() payload.RecoveryRequest { return new(recoveryRequest) }),
 		dbft.WithNewRecoveryMessage(func() payload.RecoveryMessage {
-			return &recoveryMessage{stateRootEnabled: srv.stateRootEnabled}
+			return &recoveryMessage{stateRootEnabled: srv.ProtocolConfiguration.StateRootInHeader}
 		}),
 		dbft.WithVerifyPrepareRequest(srv.verifyRequest),
 		dbft.WithVerifyPrepareResponse(func(_ payload.ConsensusPayload) error { return nil }),
@@ -214,7 +211,7 @@ func NewPayload(m netmode.Magic, stateRootEnabled bool) *Payload {
 }
 
 func (s *service) newPayload(c *dbft.Context, t payload.MessageType, msg interface{}) payload.ConsensusPayload {
-	cp := NewPayload(s.network, s.stateRootEnabled)
+	cp := NewPayload(s.ProtocolConfiguration.Magic, s.ProtocolConfiguration.StateRootInHeader)
 	cp.SetHeight(c.BlockIndex)
 	cp.SetValidatorIndex(uint16(c.MyIndex))
 	cp.SetViewNumber(c.ViewNumber)
@@ -234,7 +231,7 @@ func (s *service) newPayload(c *dbft.Context, t payload.MessageType, msg interfa
 
 func (s *service) newPrepareRequest() payload.PrepareRequest {
 	r := new(prepareRequest)
-	if s.stateRootEnabled {
+	if s.ProtocolConfiguration.StateRootInHeader {
 		r.stateRootEnabled = true
 		if sr, err := s.Chain.GetStateModule().GetStateRoot(s.dbft.BlockIndex - 1); err == nil {
 			r.stateRoot = sr.Root
@@ -364,7 +361,7 @@ func (s *service) payloadFromExtensible(ep *npayload.Extensible) *Payload {
 	return &Payload{
 		Extensible: *ep,
 		message: message{
-			stateRootEnabled: s.stateRootEnabled,
+			stateRootEnabled: s.ProtocolConfiguration.StateRootInHeader,
 		},
 	}
 }
@@ -482,7 +479,7 @@ func (s *service) verifyRequest(p payload.ConsensusPayload) error {
 	if req.version != s.dbft.Version {
 		return errInvalidVersion
 	}
-	if s.stateRootEnabled {
+	if s.ProtocolConfiguration.StateRootInHeader {
 		sr, err := s.Chain.GetStateModule().GetStateRoot(s.dbft.BlockIndex - 1)
 		if err != nil {
 			return err
@@ -633,10 +630,10 @@ func (s *service) newBlockFromContext(ctx *dbft.Context) block.Block {
 		return nil
 	}
 
-	block.Block.Network = s.network
+	block.Block.Network = s.ProtocolConfiguration.Magic
 	block.Block.Timestamp = ctx.Timestamp / nsInMs
 	block.Block.Index = ctx.BlockIndex
-	if s.stateRootEnabled {
+	if s.ProtocolConfiguration.StateRootInHeader {
 		sr, err := s.Chain.GetStateModule().GetStateRoot(ctx.BlockIndex - 1)
 		if err != nil {
 			return nil

pkg/consensus/consensus_test.go

@@ -447,6 +447,7 @@ func newTestServiceWithChain(t *testing.T, bc *core.Blockchain) *service {
 		Logger:                zaptest.NewLogger(t),
 		Broadcast:             func(*npayload.Extensible) {},
 		Chain:                 bc,
+		ProtocolConfiguration: bc.GetConfig(),
 		RequestTx:             func(...util.Uint256) {},
 		TimePerBlock:          time.Duration(bc.GetConfig().SecondsPerBlock) * time.Second,
 		Wallet: &config.Wallet{

pkg/network/server.go

@@ -209,6 +209,7 @@ func newServerFromConstructors(config ServerConfig, chain blockchainer.Blockchai
 		Logger:                log,
 		Broadcast:             s.handleNewPayload,
 		Chain:                 chain,
+		ProtocolConfiguration: chain.GetConfig(),
 		RequestTx:             s.requestTx,
 		Wallet:                config.Wallet,