a temp patch for fixing IBD issues for all side-chains

* Use the correct heuristic to avoid checking for next pruning point movement when not needed

.github/workflows/race.yaml

@@ -46,4 +46,4 @@ jobs:
         run: |
           git checkout "${{ env.run_on }}"
           git status
-          go test -race ./...
+          go test -timeout 20m -race ./...

CONTRIBUTING.md

@@ -12,8 +12,7 @@ If you want to make a big change it's better to discuss it first by opening an i
 
 ## Pull Request process
 
-Any pull request should be opened against the development branch of the target version. The development branch format is
-as follows: `vx.y.z-dev`, for example: `v0.8.5-dev`.
+Any pull request should be opened against the development branch `dev`.
 
 All pull requests should pass the checks written in `build_and_test.sh`, so it's recommended to run this script before
 submitting your PR.

README.md

@@ -1,16 +1,13 @@
 
 Kaspad
 ====
-Warning: This is pre-alpha software. There's no guarantee anything works.
-====
 
 [![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](https://choosealicense.com/licenses/isc/)
 [![GoDoc](https://img.shields.io/badge/godoc-reference-blue.svg)](http://godoc.org/github.com/kaspanet/kaspad)
 
 Kaspad is the reference full node Kaspa implementation written in Go (golang).
 
-This project is currently under active development and is in a pre-Alpha state.
-Some things still don't work and APIs are far from finalized. The code is provided for reference only.
+This project is currently under active development and is in Beta state.
 
 ## What is kaspa
 

app/app.go

@@ -20,7 +20,10 @@ import (
 	"github.com/kaspanet/kaspad/version"
 )
 
-const leveldbCacheSizeMiB = 256
+const (
+	leveldbCacheSizeMiB = 256
+	defaultDataDirname  = "datadir2"
+)
 
 var desiredLimits = &limits.DesiredLimits{
 	FileLimitWant: 2048,
@@ -84,6 +87,7 @@ func (app *kaspadApp) main(startedChan chan<- struct{}) error {
 	if app.cfg.Profile != "" {
 		profiling.Start(app.cfg.Profile, log)
 	}
+	profiling.TrackHeap(app.cfg.AppDir, log)
 
 	// Return now if an interrupt signal was triggered.
 	if signal.InterruptRequested(interrupt) {
@@ -159,7 +163,7 @@ func (app *kaspadApp) main(startedChan chan<- struct{}) error {
 
 // dbPath returns the path to the block database given a database type.
 func databasePath(cfg *config.Config) string {
-	return filepath.Join(cfg.AppDir, "data")
+	return filepath.Join(cfg.AppDir, defaultDataDirname)
 }
 
 func removeDatabase(cfg *config.Config) error {

app/appmessage/domainconverters.go

@@ -436,10 +436,10 @@ func RPCBlockToDomainBlock(block *RPCBlock) (*externalapi.DomainBlock, error) {
 
 // BlockWithTrustedDataToDomainBlockWithTrustedData converts *MsgBlockWithTrustedData to *externalapi.BlockWithTrustedData
 func BlockWithTrustedDataToDomainBlockWithTrustedData(block *MsgBlockWithTrustedData) *externalapi.BlockWithTrustedData {
-	daaWindow := make([]*externalapi.TrustedDataDataDAABlock, len(block.DAAWindow))
+	daaWindow := make([]*externalapi.TrustedDataDataDAAHeader, len(block.DAAWindow))
 	for i, daaBlock := range block.DAAWindow {
-		daaWindow[i] = &externalapi.TrustedDataDataDAABlock{
-			Block:        MsgBlockToDomainBlock(daaBlock.Block),
+		daaWindow[i] = &externalapi.TrustedDataDataDAAHeader{
+			Header:       BlockHeaderToDomainBlockHeader(&daaBlock.Block.Header),
 			GHOSTDAGData: ghostdagDataToDomainGHOSTDAGData(daaBlock.GHOSTDAGData),
 		}
 	}
@@ -454,12 +454,27 @@ func BlockWithTrustedDataToDomainBlockWithTrustedData(block *MsgBlockWithTrusted
 
 	return &externalapi.BlockWithTrustedData{
 		Block:        MsgBlockToDomainBlock(block.Block),
-		DAAScore:     block.DAAScore,
 		DAAWindow:    daaWindow,
 		GHOSTDAGData: ghostdagData,
 	}
 }
 
+// TrustedDataDataDAABlockV4ToTrustedDataDataDAAHeader converts *TrustedDataDAAHeader to *externalapi.TrustedDataDataDAAHeader
+func TrustedDataDataDAABlockV4ToTrustedDataDataDAAHeader(daaBlock *TrustedDataDAAHeader) *externalapi.TrustedDataDataDAAHeader {
+	return &externalapi.TrustedDataDataDAAHeader{
+		Header:       BlockHeaderToDomainBlockHeader(daaBlock.Header),
+		GHOSTDAGData: ghostdagDataToDomainGHOSTDAGData(daaBlock.GHOSTDAGData),
+	}
+}
+
+// GHOSTDAGHashPairToDomainGHOSTDAGHashPair converts *BlockGHOSTDAGDataHashPair to *externalapi.BlockGHOSTDAGDataHashPair
+func GHOSTDAGHashPairToDomainGHOSTDAGHashPair(datum *BlockGHOSTDAGDataHashPair) *externalapi.BlockGHOSTDAGDataHashPair {
+	return &externalapi.BlockGHOSTDAGDataHashPair{
+		Hash:         datum.Hash,
+		GHOSTDAGData: ghostdagDataToDomainGHOSTDAGData(datum.GHOSTDAGData),
+	}
+}
+
 func ghostdagDataToDomainGHOSTDAGData(data *BlockGHOSTDAGData) *externalapi.BlockGHOSTDAGData {
 	bluesAnticoneSizes := make(map[externalapi.DomainHash]externalapi.KType, len(data.BluesAnticoneSizes))
 	for _, pair := range data.BluesAnticoneSizes {
@@ -500,7 +515,9 @@ func DomainBlockWithTrustedDataToBlockWithTrustedData(block *externalapi.BlockWi
 	daaWindow := make([]*TrustedDataDataDAABlock, len(block.DAAWindow))
 	for i, daaBlock := range block.DAAWindow {
 		daaWindow[i] = &TrustedDataDataDAABlock{
-			Block:        DomainBlockToMsgBlock(daaBlock.Block),
+			Block: &MsgBlock{
+				Header: *DomainBlockHeaderToBlockHeader(daaBlock.Header),
+			},
 			GHOSTDAGData: domainGHOSTDAGDataGHOSTDAGData(daaBlock.GHOSTDAGData),
 		}
 	}
@@ -515,7 +532,41 @@ func DomainBlockWithTrustedDataToBlockWithTrustedData(block *externalapi.BlockWi
 
 	return &MsgBlockWithTrustedData{
 		Block:        DomainBlockToMsgBlock(block.Block),
-		DAAScore:     block.DAAScore,
+		DAAScore:     block.Block.Header.DAAScore(),
+		DAAWindow:    daaWindow,
+		GHOSTDAGData: ghostdagData,
+	}
+}
+
+// DomainBlockWithTrustedDataToBlockWithTrustedDataV4 converts a set of *externalapi.DomainBlock, daa window indices and ghostdag data indices
+// to *MsgBlockWithTrustedDataV4
+func DomainBlockWithTrustedDataToBlockWithTrustedDataV4(block *externalapi.DomainBlock, daaWindowIndices, ghostdagDataIndices []uint64) *MsgBlockWithTrustedDataV4 {
+	return &MsgBlockWithTrustedDataV4{
+		Block:               DomainBlockToMsgBlock(block),
+		DAAWindowIndices:    daaWindowIndices,
+		GHOSTDAGDataIndices: ghostdagDataIndices,
+	}
+}
+
+// DomainTrustedDataToTrustedData converts *externalapi.BlockWithTrustedData to *MsgBlockWithTrustedData
+func DomainTrustedDataToTrustedData(domainDAAWindow []*externalapi.TrustedDataDataDAAHeader, domainGHOSTDAGData []*externalapi.BlockGHOSTDAGDataHashPair) *MsgTrustedData {
+	daaWindow := make([]*TrustedDataDAAHeader, len(domainDAAWindow))
+	for i, daaBlock := range domainDAAWindow {
+		daaWindow[i] = &TrustedDataDAAHeader{
+			Header:       DomainBlockHeaderToBlockHeader(daaBlock.Header),
+			GHOSTDAGData: domainGHOSTDAGDataGHOSTDAGData(daaBlock.GHOSTDAGData),
+		}
+	}
+
+	ghostdagData := make([]*BlockGHOSTDAGDataHashPair, len(domainGHOSTDAGData))
+	for i, datum := range domainGHOSTDAGData {
+		ghostdagData[i] = &BlockGHOSTDAGDataHashPair{
+			Hash:         datum.Hash,
+			GHOSTDAGData: domainGHOSTDAGDataGHOSTDAGData(datum.GHOSTDAGData),
+		}
+	}
+
+	return &MsgTrustedData{
 		DAAWindow:    daaWindow,
 		GHOSTDAGData: ghostdagData,
 	}

app/appmessage/error.go

@@ -38,6 +38,10 @@ type RPCError struct {
 	Message string
 }
 
+func (err RPCError) Error() string {
+	return err.Message
+}
+
 // RPCErrorf formats according to a format specifier and returns the string
 // as an RPCError.
 func RPCErrorf(format string, args ...interface{}) *RPCError {

app/appmessage/message.go

@@ -66,6 +66,9 @@ const (
 	CmdPruningPoints
 	CmdRequestPruningPointProof
 	CmdPruningPointProof
+	CmdReady
+	CmdTrustedData
+	CmdBlockWithTrustedDataV4
 
 	// rpc
 	CmdGetCurrentNetworkRequestMessage
@@ -124,6 +127,8 @@ const (
 	CmdStopNotifyingUTXOsChangedResponseMessage
 	CmdGetUTXOsByAddressesRequestMessage
 	CmdGetUTXOsByAddressesResponseMessage
+	CmdGetBalanceByAddressRequestMessage
+	CmdGetBalanceByAddressResponseMessage
 	CmdGetVirtualSelectedParentBlueScoreRequestMessage
 	CmdGetVirtualSelectedParentBlueScoreResponseMessage
 	CmdNotifyVirtualSelectedParentBlueScoreChangedRequestMessage
@@ -145,6 +150,8 @@ const (
 	CmdNotifyVirtualDaaScoreChangedRequestMessage
 	CmdNotifyVirtualDaaScoreChangedResponseMessage
 	CmdVirtualDaaScoreChangedNotificationMessage
+	CmdGetBalancesByAddressesRequestMessage
+	CmdGetBalancesByAddressesResponseMessage
 )
 
 // ProtocolMessageCommandToString maps all MessageCommands to their string representation
@@ -185,6 +192,9 @@ var ProtocolMessageCommandToString = map[MessageCommand]string{
 	CmdPruningPoints:                       "PruningPoints",
 	CmdRequestPruningPointProof:            "RequestPruningPointProof",
 	CmdPruningPointProof:                   "PruningPointProof",
+	CmdReady:                               "Ready",
+	CmdTrustedData:                         "TrustedData",
+	CmdBlockWithTrustedDataV4:              "BlockWithTrustedDataV4",
 }
 
 // RPCMessageCommandToString maps all MessageCommands to their string representation
@@ -243,6 +253,8 @@ var RPCMessageCommandToString = map[MessageCommand]string{
 	CmdStopNotifyingUTXOsChangedResponseMessage:                   "StopNotifyingUTXOsChangedResponse",
 	CmdGetUTXOsByAddressesRequestMessage:                          "GetUTXOsByAddressesRequest",
 	CmdGetUTXOsByAddressesResponseMessage:                         "GetUTXOsByAddressesResponse",
+	CmdGetBalanceByAddressRequestMessage:                          "GetBalanceByAddressRequest",
+	CmdGetBalanceByAddressResponseMessage:                         "GetBalancesByAddressResponse",
 	CmdGetVirtualSelectedParentBlueScoreRequestMessage:            "GetVirtualSelectedParentBlueScoreRequest",
 	CmdGetVirtualSelectedParentBlueScoreResponseMessage:           "GetVirtualSelectedParentBlueScoreResponse",
 	CmdNotifyVirtualSelectedParentBlueScoreChangedRequestMessage:  "NotifyVirtualSelectedParentBlueScoreChangedRequest",
@@ -264,6 +276,8 @@ var RPCMessageCommandToString = map[MessageCommand]string{
 	CmdNotifyVirtualDaaScoreChangedRequestMessage:                 "NotifyVirtualDaaScoreChangedRequest",
 	CmdNotifyVirtualDaaScoreChangedResponseMessage:                "NotifyVirtualDaaScoreChangedResponse",
 	CmdVirtualDaaScoreChangedNotificationMessage:                  "VirtualDaaScoreChangedNotification",
+	CmdGetBalancesByAddressesRequestMessage:                       "GetBalancesByAddressesRequest",
+	CmdGetBalancesByAddressesResponseMessage:                      "GetBalancesByAddressesResponse",
 }
 
 // Message is an interface that describes a kaspa message. A type that

app/appmessage/p2p_msgblock_test.go

@@ -18,7 +18,7 @@ import (
 
 // TestBlock tests the MsgBlock API.
 func TestBlock(t *testing.T) {
-	pver := ProtocolVersion
+	pver := uint32(4)
 
 	// Block 1 header.
 	parents := blockOne.Header.Parents

app/appmessage/p2p_msgblockwithtrusteddatav4.go

@@ -0,0 +1,20 @@
+package appmessage
+
+// MsgBlockWithTrustedDataV4 represents a kaspa BlockWithTrustedDataV4 message
+type MsgBlockWithTrustedDataV4 struct {
+	baseMessage
+
+	Block               *MsgBlock
+	DAAWindowIndices    []uint64
+	GHOSTDAGDataIndices []uint64
+}
+
+// Command returns the protocol command string for the message
+func (msg *MsgBlockWithTrustedDataV4) Command() MessageCommand {
+	return CmdBlockWithTrustedDataV4
+}
+
+// NewMsgBlockWithTrustedDataV4 returns a new MsgBlockWithTrustedDataV4.
+func NewMsgBlockWithTrustedDataV4() *MsgBlockWithTrustedDataV4 {
+	return &MsgBlockWithTrustedDataV4{}
+}

app/appmessage/p2p_msgtrusteddata.go

@@ -0,0 +1,25 @@
+package appmessage
+
+// MsgTrustedData represents a kaspa TrustedData message
+type MsgTrustedData struct {
+	baseMessage
+
+	DAAWindow    []*TrustedDataDAAHeader
+	GHOSTDAGData []*BlockGHOSTDAGDataHashPair
+}
+
+// Command returns the protocol command string for the message
+func (msg *MsgTrustedData) Command() MessageCommand {
+	return CmdTrustedData
+}
+
+// NewMsgTrustedData returns a new MsgTrustedData.
+func NewMsgTrustedData() *MsgTrustedData {
+	return &MsgTrustedData{}
+}
+
+// TrustedDataDAAHeader is an appmessage representation of externalapi.TrustedDataDataDAAHeader
+type TrustedDataDAAHeader struct {
+	Header       *MsgBlockHeader
+	GHOSTDAGData *BlockGHOSTDAGData
+}

app/appmessage/p2p_msgtx_test.go

@@ -22,7 +22,7 @@ import (
 
 // TestTx tests the MsgTx API.
 func TestTx(t *testing.T) {
-	pver := ProtocolVersion
+	pver := uint32(4)
 
 	txIDStr := "000000000003ba27aa200b1cecaad478d2b00432346c3f1f3986da1afd33e506"
 	txID, err := transactionid.FromString(txIDStr)

app/appmessage/p2p_msgversion.go

@@ -82,12 +82,12 @@ func (msg *MsgVersion) Command() MessageCommand {
 // Message interface using the passed parameters and defaults for the remaining
 // fields.
 func NewMsgVersion(addr *NetAddress, id *id.ID, network string,
-	subnetworkID *externalapi.DomainSubnetworkID) *MsgVersion {
+	subnetworkID *externalapi.DomainSubnetworkID, protocolVersion uint32) *MsgVersion {
 
 	// Limit the timestamp to one millisecond precision since the protocol
 	// doesn't support better.
 	return &MsgVersion{
-		ProtocolVersion: ProtocolVersion,
+		ProtocolVersion: protocolVersion,
 		Network:         network,
 		Services:        0,
 		Timestamp:       mstime.Now(),

app/appmessage/p2p_msgversion_test.go

@@ -15,7 +15,7 @@ import (
 
 // TestVersion tests the MsgVersion API.
 func TestVersion(t *testing.T) {
-	pver := ProtocolVersion
+	pver := uint32(4)
 
 	// Create version message data.
 	tcpAddrMe := &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 16111}
@@ -26,7 +26,7 @@ func TestVersion(t *testing.T) {
 	}
 
 	// Ensure we get the correct data back out.
-	msg := NewMsgVersion(me, generatedID, "mainnet", nil)
+	msg := NewMsgVersion(me, generatedID, "mainnet", nil, 4)
 	if msg.ProtocolVersion != pver {
 		t.Errorf("NewMsgVersion: wrong protocol version - got %v, want %v",
 			msg.ProtocolVersion, pver)

app/appmessage/p2p_netaddress.go

@@ -5,8 +5,9 @@
 package appmessage
 
 import (
-	"github.com/kaspanet/kaspad/util/mstime"
 	"net"
+
+	"github.com/kaspanet/kaspad/util/mstime"
 )
 
 // NetAddress defines information about a peer on the network including the time
@@ -57,3 +58,7 @@ func NewNetAddressTimestamp(
 func NewNetAddress(addr *net.TCPAddr) *NetAddress {
 	return NewNetAddressIPPort(addr.IP, uint16(addr.Port))
 }
+
+func (na NetAddress) String() string {
+	return na.TCPAddress().String()
+}

app/appmessage/p2p_ready.go

@@ -0,0 +1,22 @@
+package appmessage
+
+// MsgReady implements the Message interface and represents a kaspa
+// Ready message. It is used to notify that the peer is ready to receive
+// messages.
+//
+// This message has no payload.
+type MsgReady struct {
+	baseMessage
+}
+
+// Command returns the protocol command string for the message. This is part
+// of the Message interface implementation.
+func (msg *MsgReady) Command() MessageCommand {
+	return CmdReady
+}
+
+// NewMsgReady returns a new kaspa Ready message that conforms to the
+// Message interface.
+func NewMsgReady() *MsgReady {
+	return &MsgReady{}
+}

app/appmessage/protocol.go

@@ -11,9 +11,6 @@ import (
 )
 
 const (
-	// ProtocolVersion is the latest protocol version this package supports.
-	ProtocolVersion uint32 = 1
-
 	// DefaultServices describes the default services that are supported by
 	// the server.
 	DefaultServices = SFNodeNetwork | SFNodeBloom | SFNodeCF

app/appmessage/rpc_get_balance_by_address.go

@@ -0,0 +1,41 @@
+package appmessage
+
+// GetBalanceByAddressRequestMessage is an appmessage corresponding to
+// its respective RPC message
+type GetBalanceByAddressRequestMessage struct {
+	baseMessage
+	Address string
+}
+
+// Command returns the protocol command string for the message
+func (msg *GetBalanceByAddressRequestMessage) Command() MessageCommand {
+	return CmdGetBalanceByAddressRequestMessage
+}
+
+// NewGetBalanceByAddressRequest returns a instance of the message
+func NewGetBalanceByAddressRequest(address string) *GetBalanceByAddressRequestMessage {
+	return &GetBalanceByAddressRequestMessage{
+		Address: address,
+	}
+}
+
+// GetBalanceByAddressResponseMessage is an appmessage corresponding to
+// its respective RPC message
+type GetBalanceByAddressResponseMessage struct {
+	baseMessage
+	Balance uint64
+
+	Error *RPCError
+}
+
+// Command returns the protocol command string for the message
+func (msg *GetBalanceByAddressResponseMessage) Command() MessageCommand {
+	return CmdGetBalanceByAddressResponseMessage
+}
+
+// NewGetBalanceByAddressResponse returns an instance of the message
+func NewGetBalanceByAddressResponse(Balance uint64) *GetBalanceByAddressResponseMessage {
+	return &GetBalanceByAddressResponseMessage{
+		Balance: Balance,
+	}
+}

app/appmessage/rpc_get_balances_by_addresses.go

@@ -0,0 +1,47 @@
+package appmessage
+
+// GetBalancesByAddressesRequestMessage is an appmessage corresponding to
+// its respective RPC message
+type GetBalancesByAddressesRequestMessage struct {
+	baseMessage
+	Addresses []string
+}
+
+// Command returns the protocol command string for the message
+func (msg *GetBalancesByAddressesRequestMessage) Command() MessageCommand {
+	return CmdGetBalancesByAddressesRequestMessage
+}
+
+// NewGetBalancesByAddressesRequest returns a instance of the message
+func NewGetBalancesByAddressesRequest(addresses []string) *GetBalancesByAddressesRequestMessage {
+	return &GetBalancesByAddressesRequestMessage{
+		Addresses: addresses,
+	}
+}
+
+// BalancesByAddressesEntry represents the balance of some address
+type BalancesByAddressesEntry struct {
+	Address string
+	Balance uint64
+}
+
+// GetBalancesByAddressesResponseMessage is an appmessage corresponding to
+// its respective RPC message
+type GetBalancesByAddressesResponseMessage struct {
+	baseMessage
+	Entries []*BalancesByAddressesEntry
+
+	Error *RPCError
+}
+
+// Command returns the protocol command string for the message
+func (msg *GetBalancesByAddressesResponseMessage) Command() MessageCommand {
+	return CmdGetBalancesByAddressesResponseMessage
+}
+
+// NewGetBalancesByAddressesResponse returns an instance of the message
+func NewGetBalancesByAddressesResponse(entries []*BalancesByAddressesEntry) *GetBalancesByAddressesResponseMessage {
+	return &GetBalancesByAddressesResponseMessage{
+		Entries: entries,
+	}
+}

app/appmessage/rpc_submit_block.go

@@ -4,7 +4,8 @@ package appmessage
 // its respective RPC message
 type SubmitBlockRequestMessage struct {
 	baseMessage
-	Block *RPCBlock
+	Block             *RPCBlock
+	AllowNonDAABlocks bool
 }
 
 // Command returns the protocol command string for the message
@@ -13,9 +14,10 @@ func (msg *SubmitBlockRequestMessage) Command() MessageCommand {
 }
 
 // NewSubmitBlockRequestMessage returns a instance of the message
-func NewSubmitBlockRequestMessage(block *RPCBlock) *SubmitBlockRequestMessage {
+func NewSubmitBlockRequestMessage(block *RPCBlock, allowNonDAABlocks bool) *SubmitBlockRequestMessage {
 	return &SubmitBlockRequestMessage{
-		Block: block,
+		Block:             block,
+		AllowNonDAABlocks: allowNonDAABlocks,
 	}
 }
 
@@ -90,11 +92,14 @@ type RPCBlockLevelParents struct {
 
 // RPCBlockVerboseData holds verbose data about a block
 type RPCBlockVerboseData struct {
-	Hash               string
-	Difficulty         float64
-	SelectedParentHash string
-	TransactionIDs     []string
-	IsHeaderOnly       bool
-	BlueScore          uint64
-	ChildrenHashes     []string
+	Hash                string
+	Difficulty          float64
+	SelectedParentHash  string
+	TransactionIDs      []string
+	IsHeaderOnly        bool
+	BlueScore           uint64
+	ChildrenHashes      []string
+	MergeSetBluesHashes []string
+	MergeSetRedsHashes  []string
+	IsChainBlock        bool
 }

app/component_manager.go

@@ -102,7 +102,7 @@ func NewComponentManager(cfg *config.Config, db infrastructuredatabase.Database,
 
 	var utxoIndex *utxoindex.UTXOIndex
 	if cfg.UTXOIndex {
-		utxoIndex, err = utxoindex.New(domain.Consensus(), db)
+		utxoIndex, err = utxoindex.New(domain, db)
 		if err != nil {
 			return nil, err
 		}
@@ -152,6 +152,7 @@ func setupRPC(
 		utxoIndex,
 		shutDownChan,
 	)
+	protocolManager.SetOnVirtualChange(rpcManager.NotifyVirtualChange)
 	protocolManager.SetOnBlockAddedToDAGHandler(rpcManager.NotifyBlockAddedToDAG)
 	protocolManager.SetOnPruningPointUTXOSetOverrideHandler(rpcManager.NotifyPruningPointUTXOSetOverride)
 

app/protocol/common/common.go

@@ -1,6 +1,8 @@
 package common
 
 import (
+	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
+	routerpkg "github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
 	"time"
 
 	"github.com/pkg/errors"
@@ -8,7 +10,18 @@ import (
 
 // DefaultTimeout is the default duration to wait for enqueuing/dequeuing
 // to/from routes.
-const DefaultTimeout = 30 * time.Second
+const DefaultTimeout = 120 * time.Second
 
 // ErrPeerWithSameIDExists signifies that a peer with the same ID already exist.
 var ErrPeerWithSameIDExists = errors.New("ready peer with the same ID already exists")
+
+type flowExecuteFunc func(peer *peerpkg.Peer)
+
+// Flow is a a data structure that is used in order to associate a p2p flow to some route in a router.
+type Flow struct {
+	Name        string
+	ExecuteFunc flowExecuteFunc
+}
+
+// FlowInitializeFunc is a function that is used in order to initialize a flow
+type FlowInitializeFunc func(route *routerpkg.Route, peer *peerpkg.Peer) error

app/protocol/flowcontext/blocks.go

@@ -11,14 +11,13 @@ import (
 	"github.com/pkg/errors"
 
 	"github.com/kaspanet/kaspad/app/appmessage"
-	"github.com/kaspanet/kaspad/app/protocol/flows/blockrelay"
 )
 
 // OnNewBlock updates the mempool after a new block arrival, and
 // relays newly unorphaned transactions and possibly rebroadcast
 // manually added transactions when not in IBD.
 func (f *FlowContext) OnNewBlock(block *externalapi.DomainBlock,
-	blockInsertionResult *externalapi.BlockInsertionResult) error {
+	virtualChangeSet *externalapi.VirtualChangeSet) error {
 
 	hash := consensushashing.BlockHash(block)
 	log.Debugf("OnNewBlock start for block %s", hash)
@@ -32,10 +31,10 @@ func (f *FlowContext) OnNewBlock(block *externalapi.DomainBlock,
 	log.Debugf("OnNewBlock: block %s unorphaned %d blocks", hash, len(unorphaningResults))
 
 	newBlocks := []*externalapi.DomainBlock{block}
-	newBlockInsertionResults := []*externalapi.BlockInsertionResult{blockInsertionResult}
+	newVirtualChangeSets := []*externalapi.VirtualChangeSet{virtualChangeSet}
 	for _, unorphaningResult := range unorphaningResults {
 		newBlocks = append(newBlocks, unorphaningResult.block)
-		newBlockInsertionResults = append(newBlockInsertionResults, unorphaningResult.blockInsertionResult)
+		newVirtualChangeSets = append(newVirtualChangeSets, unorphaningResult.virtualChangeSet)
 	}
 
 	allAcceptedTransactions := make([]*externalapi.DomainTransaction, 0)
@@ -49,8 +48,8 @@ func (f *FlowContext) OnNewBlock(block *externalapi.DomainBlock,
 
 		if f.onBlockAddedToDAGHandler != nil {
 			log.Debugf("OnNewBlock: calling f.onBlockAddedToDAGHandler for block %s", hash)
-			blockInsertionResult = newBlockInsertionResults[i]
-			err := f.onBlockAddedToDAGHandler(newBlock, blockInsertionResult)
+			virtualChangeSet = newVirtualChangeSets[i]
+			err := f.onBlockAddedToDAGHandler(newBlock, virtualChangeSet)
 			if err != nil {
 				return err
 			}
@@ -60,6 +59,15 @@ func (f *FlowContext) OnNewBlock(block *externalapi.DomainBlock,
 	return f.broadcastTransactionsAfterBlockAdded(newBlocks, allAcceptedTransactions)
 }
 
+// OnVirtualChange calls the handler function whenever the virtual block changes.
+func (f *FlowContext) OnVirtualChange(virtualChangeSet *externalapi.VirtualChangeSet) error {
+	if f.onVirtualChangeHandler != nil && virtualChangeSet != nil {
+		return f.onVirtualChangeHandler(virtualChangeSet)
+	}
+
+	return nil
+}
+
 // OnPruningPointUTXOSetOverride calls the handler function whenever the UTXO set
 // resets due to pruning point change via IBD.
 func (f *FlowContext) OnPruningPointUTXOSetOverride() error {
@@ -100,7 +108,7 @@ func (f *FlowContext) broadcastTransactionsAfterBlockAdded(
 
 // SharedRequestedBlocks returns a *blockrelay.SharedRequestedBlocks for sharing
 // data about requested blocks between different peers.
-func (f *FlowContext) SharedRequestedBlocks() *blockrelay.SharedRequestedBlocks {
+func (f *FlowContext) SharedRequestedBlocks() *SharedRequestedBlocks {
 	return f.sharedRequestedBlocks
 }
 
@@ -110,14 +118,14 @@ func (f *FlowContext) AddBlock(block *externalapi.DomainBlock) error {
 		return protocolerrors.Errorf(false, "cannot add header only block")
 	}
 
-	blockInsertionResult, err := f.Domain().Consensus().ValidateAndInsertBlock(block, true)
+	virtualChangeSet, err := f.Domain().Consensus().ValidateAndInsertBlock(block, true)
 	if err != nil {
 		if errors.As(err, &ruleerrors.RuleError{}) {
 			log.Warnf("Validation failed for block %s: %s", consensushashing.BlockHash(block), err)
 		}
 		return err
 	}
-	err = f.OnNewBlock(block, blockInsertionResult)
+	err = f.OnNewBlock(block, virtualChangeSet)
 	if err != nil {
 		return err
 	}

app/protocol/flowcontext/flow_context.go

@@ -10,8 +10,6 @@ import (
 
 	"github.com/kaspanet/kaspad/domain"
 
-	"github.com/kaspanet/kaspad/app/protocol/flows/blockrelay"
-	"github.com/kaspanet/kaspad/app/protocol/flows/transactionrelay"
 	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
 	"github.com/kaspanet/kaspad/infrastructure/config"
 	"github.com/kaspanet/kaspad/infrastructure/network/addressmanager"
@@ -22,7 +20,10 @@ import (
 
 // OnBlockAddedToDAGHandler is a handler function that's triggered
 // when a block is added to the DAG
-type OnBlockAddedToDAGHandler func(block *externalapi.DomainBlock, blockInsertionResult *externalapi.BlockInsertionResult) error
+type OnBlockAddedToDAGHandler func(block *externalapi.DomainBlock, virtualChangeSet *externalapi.VirtualChangeSet) error
+
+// OnVirtualChangeHandler is a handler function that's triggered when the virtual changes
+type OnVirtualChangeHandler func(virtualChangeSet *externalapi.VirtualChangeSet) error
 
 // OnPruningPointUTXOSetOverrideHandler is a handle function that's triggered whenever the UTXO set
 // resets due to pruning point change via IBD.
@@ -43,14 +44,15 @@ type FlowContext struct {
 
 	timeStarted int64
 
+	onVirtualChangeHandler               OnVirtualChangeHandler
 	onBlockAddedToDAGHandler             OnBlockAddedToDAGHandler
 	onPruningPointUTXOSetOverrideHandler OnPruningPointUTXOSetOverrideHandler
 	onTransactionAddedToMempoolHandler   OnTransactionAddedToMempoolHandler
 
 	lastRebroadcastTime         time.Time
-	sharedRequestedTransactions *transactionrelay.SharedRequestedTransactions
+	sharedRequestedTransactions *SharedRequestedTransactions
 
-	sharedRequestedBlocks *blockrelay.SharedRequestedBlocks
+	sharedRequestedBlocks *SharedRequestedBlocks
 
 	ibdPeer      *peerpkg.Peer
 	ibdPeerMutex sync.RWMutex
@@ -78,8 +80,8 @@ func New(cfg *config.Config, domain domain.Domain, addressManager *addressmanage
 		domain:                           domain,
 		addressManager:                   addressManager,
 		connectionManager:                connectionManager,
-		sharedRequestedTransactions:      transactionrelay.NewSharedRequestedTransactions(),
-		sharedRequestedBlocks:            blockrelay.NewSharedRequestedBlocks(),
+		sharedRequestedTransactions:      NewSharedRequestedTransactions(),
+		sharedRequestedBlocks:            NewSharedRequestedBlocks(),
 		peers:                            make(map[id.ID]*peerpkg.Peer),
 		orphans:                          make(map[externalapi.DomainHash]*externalapi.DomainBlock),
 		timeStarted:                      mstime.Now().UnixMilliseconds(),
@@ -100,6 +102,11 @@ func (f *FlowContext) ShutdownChan() <-chan struct{} {
 	return f.shutdownChan
 }
 
+// SetOnVirtualChangeHandler sets the onVirtualChangeHandler handler
+func (f *FlowContext) SetOnVirtualChangeHandler(onVirtualChangeHandler OnVirtualChangeHandler) {
+	f.onVirtualChangeHandler = onVirtualChangeHandler
+}
+
 // SetOnBlockAddedToDAGHandler sets the onBlockAddedToDAG handler
 func (f *FlowContext) SetOnBlockAddedToDAGHandler(onBlockAddedToDAGHandler OnBlockAddedToDAGHandler) {
 	f.onBlockAddedToDAGHandler = onBlockAddedToDAGHandler

app/protocol/flowcontext/orphans.go

@@ -17,8 +17,8 @@ const maxOrphans = 600
 
 // UnorphaningResult is the result of unorphaning a block
 type UnorphaningResult struct {
-	block                *externalapi.DomainBlock
-	blockInsertionResult *externalapi.BlockInsertionResult
+	block            *externalapi.DomainBlock
+	virtualChangeSet *externalapi.VirtualChangeSet
 }
 
 // AddOrphan adds the block to the orphan set
@@ -90,14 +90,14 @@ func (f *FlowContext) UnorphanBlocks(rootBlock *externalapi.DomainBlock) ([]*Uno
 			}
 		}
 		if canBeUnorphaned {
-			blockInsertionResult, unorphaningSucceeded, err := f.unorphanBlock(orphanHash)
+			virtualChangeSet, unorphaningSucceeded, err := f.unorphanBlock(orphanHash)
 			if err != nil {
 				return nil, err
 			}
 			if unorphaningSucceeded {
 				unorphaningResults = append(unorphaningResults, &UnorphaningResult{
-					block:                orphanBlock,
-					blockInsertionResult: blockInsertionResult,
+					block:            orphanBlock,
+					virtualChangeSet: virtualChangeSet,
 				})
 				processQueue = f.addChildOrphansToProcessQueue(&orphanHash, processQueue)
 			}
@@ -143,14 +143,14 @@ func (f *FlowContext) findChildOrphansOfBlock(blockHash *externalapi.DomainHash)
 	return childOrphans
 }
 
-func (f *FlowContext) unorphanBlock(orphanHash externalapi.DomainHash) (*externalapi.BlockInsertionResult, bool, error) {
+func (f *FlowContext) unorphanBlock(orphanHash externalapi.DomainHash) (*externalapi.VirtualChangeSet, bool, error) {
 	orphanBlock, ok := f.orphans[orphanHash]
 	if !ok {
 		return nil, false, errors.Errorf("attempted to unorphan a non-orphan block %s", orphanHash)
 	}
 	delete(f.orphans, orphanHash)
 
-	blockInsertionResult, err := f.domain.Consensus().ValidateAndInsertBlock(orphanBlock, true)
+	virtualChangeSet, err := f.domain.Consensus().ValidateAndInsertBlock(orphanBlock, true)
 	if err != nil {
 		if errors.As(err, &ruleerrors.RuleError{}) {
 			log.Warnf("Validation failed for orphan block %s: %s", orphanHash, err)
@@ -160,7 +160,7 @@ func (f *FlowContext) unorphanBlock(orphanHash externalapi.DomainHash) (*externa
 	}
 
 	log.Infof("Unorphaned block %s", orphanHash)
-	return blockInsertionResult, true, nil
+	return virtualChangeSet, true, nil
 }
 
 // GetOrphanRoots returns the roots of the missing ancestors DAG of the given orphan

app/protocol/flowcontext/shared_requested_blocks.go

@@ -1,4 +1,4 @@
-package blockrelay
+package flowcontext
 
 import (
 	"sync"
@@ -13,13 +13,15 @@ type SharedRequestedBlocks struct {
 	sync.Mutex
 }
 
-func (s *SharedRequestedBlocks) remove(hash *externalapi.DomainHash) {
+// Remove removes a block from the set.
+func (s *SharedRequestedBlocks) Remove(hash *externalapi.DomainHash) {
 	s.Lock()
 	defer s.Unlock()
 	delete(s.blocks, *hash)
 }
 
-func (s *SharedRequestedBlocks) removeSet(blockHashes map[externalapi.DomainHash]struct{}) {
+// RemoveSet removes a set of blocks from the set.
+func (s *SharedRequestedBlocks) RemoveSet(blockHashes map[externalapi.DomainHash]struct{}) {
 	s.Lock()
 	defer s.Unlock()
 	for hash := range blockHashes {
@@ -27,7 +29,8 @@ func (s *SharedRequestedBlocks) removeSet(blockHashes map[externalapi.DomainHash
 	}
 }
 
-func (s *SharedRequestedBlocks) addIfNotExists(hash *externalapi.DomainHash) (exists bool) {
+// AddIfNotExists adds a block to the set if it doesn't exist yet.
+func (s *SharedRequestedBlocks) AddIfNotExists(hash *externalapi.DomainHash) (exists bool) {
 	s.Lock()
 	defer s.Unlock()
 	_, ok := s.blocks[*hash]

app/protocol/flowcontext/shared_requested_transactions.go

@@ -1,4 +1,4 @@
-package transactionrelay
+package flowcontext
 
 import (
 	"sync"
@@ -13,13 +13,15 @@ type SharedRequestedTransactions struct {
 	sync.Mutex
 }
 
-func (s *SharedRequestedTransactions) remove(txID *externalapi.DomainTransactionID) {
+// Remove removes a transaction from the set.
+func (s *SharedRequestedTransactions) Remove(txID *externalapi.DomainTransactionID) {
 	s.Lock()
 	defer s.Unlock()
 	delete(s.transactions, *txID)
 }
 
-func (s *SharedRequestedTransactions) removeMany(txIDs []*externalapi.DomainTransactionID) {
+// RemoveMany removes a set of transactions from the set.
+func (s *SharedRequestedTransactions) RemoveMany(txIDs []*externalapi.DomainTransactionID) {
 	s.Lock()
 	defer s.Unlock()
 	for _, txID := range txIDs {
@@ -27,7 +29,8 @@ func (s *SharedRequestedTransactions) removeMany(txIDs []*externalapi.DomainTran
 	}
 }
 
-func (s *SharedRequestedTransactions) addIfNotExists(txID *externalapi.DomainTransactionID) (exists bool) {
+// AddIfNotExists adds a transaction to the set if it doesn't exist yet.
+func (s *SharedRequestedTransactions) AddIfNotExists(txID *externalapi.DomainTransactionID) (exists bool) {
 	s.Lock()
 	defer s.Unlock()
 	_, ok := s.transactions[*txID]

app/protocol/flowcontext/should_mine.go

@@ -25,6 +25,10 @@ func (f *FlowContext) ShouldMine() (bool, error) {
 		return false, err
 	}
 
+	if virtualSelectedParent.Equal(f.Config().NetParams().GenesisHash) {
+		return false, nil
+	}
+
 	virtualSelectedParentHeader, err := f.domain.Consensus().GetBlockHeader(virtualSelectedParent)
 	if err != nil {
 		return false, err

app/protocol/flowcontext/transactions.go

@@ -4,7 +4,6 @@ import (
 	"time"
 
 	"github.com/kaspanet/kaspad/app/appmessage"
-	"github.com/kaspanet/kaspad/app/protocol/flows/transactionrelay"
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
 )
@@ -30,7 +29,7 @@ func (f *FlowContext) shouldRebroadcastTransactions() bool {
 
 // SharedRequestedTransactions returns a *transactionrelay.SharedRequestedTransactions for sharing
 // data about requested transactions between different peers.
-func (f *FlowContext) SharedRequestedTransactions() *transactionrelay.SharedRequestedTransactions {
+func (f *FlowContext) SharedRequestedTransactions() *SharedRequestedTransactions {
 	return f.sharedRequestedTransactions
 }
 

app/protocol/flows/blockrelay/handle_pruning_point_and_its_anticone_requests.go

@@ -1,62 +0,0 @@
-package blockrelay
-
-import (
-	"github.com/kaspanet/kaspad/app/appmessage"
-	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
-	"github.com/kaspanet/kaspad/domain"
-	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
-)
-
-// PruningPointAndItsAnticoneRequestsContext is the interface for the context needed for the HandlePruningPointAndItsAnticoneRequests flow.
-type PruningPointAndItsAnticoneRequestsContext interface {
-	Domain() domain.Domain
-}
-
-// HandlePruningPointAndItsAnticoneRequests listens to appmessage.MsgRequestPruningPointAndItsAnticone messages and sends
-// the pruning point and its anticone to the requesting peer.
-func HandlePruningPointAndItsAnticoneRequests(context PruningPointAndItsAnticoneRequestsContext, incomingRoute *router.Route,
-	outgoingRoute *router.Route, peer *peerpkg.Peer) error {
-
-	for {
-		_, err := incomingRoute.Dequeue()
-		if err != nil {
-			return err
-		}
-
-		log.Debugf("Got request for pruning point and its anticone from %s", peer)
-
-		pruningPointHeaders, err := context.Domain().Consensus().PruningPointHeaders()
-		if err != nil {
-			return err
-		}
-
-		msgPruningPointHeaders := make([]*appmessage.MsgBlockHeader, len(pruningPointHeaders))
-		for i, header := range pruningPointHeaders {
-			msgPruningPointHeaders[i] = appmessage.DomainBlockHeaderToBlockHeader(header)
-		}
-
-		err = outgoingRoute.Enqueue(appmessage.NewMsgPruningPoints(msgPruningPointHeaders))
-		if err != nil {
-			return err
-		}
-
-		blocks, err := context.Domain().Consensus().PruningPointAndItsAnticoneWithTrustedData()
-		if err != nil {
-			return err
-		}
-
-		for _, block := range blocks {
-			err = outgoingRoute.Enqueue(appmessage.DomainBlockWithTrustedDataToBlockWithTrustedData(block))
-			if err != nil {
-				return err
-			}
-		}
-
-		err = outgoingRoute.Enqueue(appmessage.NewMsgDoneBlocksWithTrustedData())
-		if err != nil {
-			return err
-		}
-
-		log.Debugf("Sent pruning point and its anticone to %s", peer)
-	}
-}

app/protocol/flows/handshake/handshake.go

@@ -28,7 +28,7 @@ type HandleHandshakeContext interface {
 	HandleError(err error, flowName string, isStopping *uint32, errChan chan<- error)
 }
 
-// HandleHandshake sets up the handshake protocol - It sends a version message and waits for an incoming
+// HandleHandshake sets up the new_handshake protocol - It sends a version message and waits for an incoming
 // version message, as well as a verack for the sent version
 func HandleHandshake(context HandleHandshakeContext, netConnection *netadapter.NetConnection,
 	receiveVersionRoute *routerpkg.Route, sendVersionRoute *routerpkg.Route, outgoingRoute *routerpkg.Route,
@@ -98,7 +98,7 @@ func HandleHandshake(context HandleHandshakeContext, netConnection *netadapter.N
 }
 
 // Handshake is different from other flows, since in it should forward router.ErrRouteClosed to errChan
-// Therefore we implement a separate handleError for handshake
+// Therefore we implement a separate handleError for new_handshake
 func handleError(err error, flowName string, isStopping *uint32, errChan chan error) {
 	if errors.Is(err, routerpkg.ErrRouteClosed) {
 		if atomic.AddUint32(isStopping, 1) == 1 {

app/protocol/flows/handshake/receiveversion.go

@@ -7,6 +7,7 @@ import (
 	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
 	"github.com/kaspanet/kaspad/infrastructure/logger"
 	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+	"github.com/pkg/errors"
 )
 
 var (
@@ -17,7 +18,9 @@ var (
 
 	// minAcceptableProtocolVersion is the lowest protocol version that a
 	// connected peer may support.
-	minAcceptableProtocolVersion = appmessage.ProtocolVersion
+	minAcceptableProtocolVersion = uint32(4)
+
+	maxAcceptableProtocolVersion = uint32(4)
 )
 
 type receiveVersionFlow struct {
@@ -97,7 +100,12 @@ func (flow *receiveVersionFlow) start() (*appmessage.NetAddress, error) {
 		return nil, protocolerrors.New(false, "incompatible subnetworks")
 	}
 
-	flow.peer.UpdateFieldsFromMsgVersion(msgVersion)
+	if flow.Config().ProtocolVersion > maxAcceptableProtocolVersion {
+		return nil, errors.Errorf("%d is a non existing protocol version", flow.Config().ProtocolVersion)
+	}
+
+	maxProtocolVersion := flow.Config().ProtocolVersion
+	flow.peer.UpdateFieldsFromMsgVersion(msgVersion, maxProtocolVersion)
 	err = flow.outgoingRoute.Enqueue(appmessage.NewMsgVerAck())
 	if err != nil {
 		return nil, err

app/protocol/flows/handshake/sendversion.go

@@ -7,6 +7,7 @@ import (
 	"github.com/kaspanet/kaspad/infrastructure/logger"
 	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
 	"github.com/kaspanet/kaspad/version"
+	"github.com/pkg/errors"
 )
 
 var (
@@ -56,15 +57,18 @@ func (flow *sendVersionFlow) start() error {
 	// Version message.
 	localAddress := flow.AddressManager().BestLocalAddress(flow.peer.Connection().NetAddress())
 	subnetworkID := flow.Config().SubnetworkID
+	if flow.Config().ProtocolVersion < minAcceptableProtocolVersion {
+		return errors.Errorf("configured protocol version %d is obsolete", flow.Config().ProtocolVersion)
+	}
 	msg := appmessage.NewMsgVersion(localAddress, flow.NetAdapter().ID(),
-		flow.Config().ActiveNetParams.Name, subnetworkID)
+		flow.Config().ActiveNetParams.Name, subnetworkID, flow.Config().ProtocolVersion)
 	msg.AddUserAgent(userAgentName, userAgentVersion, flow.Config().UserAgentComments...)
 
 	// Advertise the services flag
 	msg.Services = defaultServices
 
 	// Advertise our max supported protocol version.
-	msg.ProtocolVersion = appmessage.ProtocolVersion
+	msg.ProtocolVersion = flow.Config().ProtocolVersion
 
 	// Advertise if inv messages for transactions are desired.
 	msg.DisableRelayTx = flow.Config().BlocksOnly

app/protocol/flows/ready/log.go

@@ -0,0 +1,9 @@
+package ready
+
+import (
+	"github.com/kaspanet/kaspad/infrastructure/logger"
+	"github.com/kaspanet/kaspad/util/panics"
+)
+
+var log = logger.RegisterSubSystem("PROT")
+var spawn = panics.GoroutineWrapperFunc(log)

app/protocol/flows/ready/ready.go

@@ -0,0 +1,56 @@
+package ready
+
+import (
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/app/protocol/common"
+	"sync/atomic"
+
+	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
+	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
+	routerpkg "github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+	"github.com/pkg/errors"
+)
+
+// HandleReady notify the other peer that peer is ready for messages, and wait for the other peer
+// to send a ready message before start running the flows.
+func HandleReady(incomingRoute *routerpkg.Route, outgoingRoute *routerpkg.Route,
+	peer *peerpkg.Peer,
+) error {
+
+	log.Debugf("Sending ready message to %s", peer)
+
+	isStopping := uint32(0)
+	err := outgoingRoute.Enqueue(appmessage.NewMsgReady())
+	if err != nil {
+		return handleError(err, "HandleReady", &isStopping)
+	}
+
+	_, err = incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
+	if err != nil {
+		return handleError(err, "HandleReady", &isStopping)
+	}
+
+	log.Debugf("Got ready message from %s", peer)
+
+	return nil
+}
+
+// Ready is different from other flows, since in it should forward router.ErrRouteClosed to errChan
+// Therefore we implement a separate handleError for 'ready'
+func handleError(err error, flowName string, isStopping *uint32) error {
+	if errors.Is(err, routerpkg.ErrRouteClosed) {
+		if atomic.AddUint32(isStopping, 1) == 1 {
+			return err
+		}
+		return nil
+	}
+
+	if protocolErr := (protocolerrors.ProtocolError{}); errors.As(err, &protocolErr) {
+		log.Errorf("Ready protocol error from %s: %s", flowName, err)
+		if atomic.AddUint32(isStopping, 1) == 1 {
+			return err
+		}
+		return nil
+	}
+	panic(err)
+}

app/protocol/flows/v4/blockrelay/block_locator.go

@@ -13,15 +13,21 @@ func (flow *handleRelayInvsFlow) sendGetBlockLocator(highHash *externalapi.Domai
 }
 
 func (flow *handleRelayInvsFlow) receiveBlockLocator() (blockLocatorHashes []*externalapi.DomainHash, err error) {
-	message, err := flow.dequeueIncomingMessageAndSkipInvs(common.DefaultTimeout)
-	if err != nil {
-		return nil, err
+	for {
+		message, err := flow.incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
+		if err != nil {
+			return nil, err
+		}
+
+		switch message := message.(type) {
+		case *appmessage.MsgInvRelayBlock:
+			flow.invsQueue = append(flow.invsQueue, message)
+		case *appmessage.MsgBlockLocator:
+			return message.BlockLocatorHashes, nil
+		default:
+			return nil,
+				protocolerrors.Errorf(true, "received unexpected message type. "+
+					"expected: %s, got: %s", appmessage.CmdBlockLocator, message.Command())
+		}
 	}
-	msgBlockLocator, ok := message.(*appmessage.MsgBlockLocator)
-	if !ok {
-		return nil,
-			protocolerrors.Errorf(true, "received unexpected message type. "+
-				"expected: %s, got: %s", appmessage.CmdBlockLocator, message.Command())
-	}
-	return msgBlockLocator.BlockLocatorHashes, nil
 }

app/protocol/flows/v4/blockrelay/handle_pruning_point_and_its_anticone_requests.go

@@ -0,0 +1,145 @@
+package blockrelay
+
+import (
+	"github.com/kaspanet/kaspad/app/appmessage"
+	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
+	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
+	"github.com/kaspanet/kaspad/domain"
+	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
+	"github.com/kaspanet/kaspad/infrastructure/config"
+	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+	"sync/atomic"
+)
+
+// PruningPointAndItsAnticoneRequestsContext is the interface for the context needed for the HandlePruningPointAndItsAnticoneRequests flow.
+type PruningPointAndItsAnticoneRequestsContext interface {
+	Domain() domain.Domain
+	Config() *config.Config
+}
+
+var isBusy uint32
+
+// HandlePruningPointAndItsAnticoneRequests listens to appmessage.MsgRequestPruningPointAndItsAnticone messages and sends
+// the pruning point and its anticone to the requesting peer.
+func HandlePruningPointAndItsAnticoneRequests(context PruningPointAndItsAnticoneRequestsContext, incomingRoute *router.Route,
+	outgoingRoute *router.Route, peer *peerpkg.Peer) error {
+
+	for {
+		err := func() error {
+			_, err := incomingRoute.Dequeue()
+			if err != nil {
+				return err
+			}
+
+			if !atomic.CompareAndSwapUint32(&isBusy, 0, 1) {
+				return protocolerrors.Errorf(false, "node is busy with other pruning point anticone requests")
+			}
+			defer atomic.StoreUint32(&isBusy, 0)
+
+			log.Debugf("Got request for pruning point and its anticone from %s", peer)
+
+			pruningPointHeaders, err := context.Domain().Consensus().PruningPointHeaders()
+			if err != nil {
+				return err
+			}
+
+			msgPruningPointHeaders := make([]*appmessage.MsgBlockHeader, len(pruningPointHeaders))
+			for i, header := range pruningPointHeaders {
+				msgPruningPointHeaders[i] = appmessage.DomainBlockHeaderToBlockHeader(header)
+			}
+
+			err = outgoingRoute.Enqueue(appmessage.NewMsgPruningPoints(msgPruningPointHeaders))
+			if err != nil {
+				return err
+			}
+
+			pointAndItsAnticone, err := context.Domain().Consensus().PruningPointAndItsAnticone()
+			if err != nil {
+				return err
+			}
+
+			windowSize := context.Config().NetParams().DifficultyAdjustmentWindowSize
+			daaWindowBlocks := make([]*externalapi.TrustedDataDataDAAHeader, 0, windowSize)
+			daaWindowHashesToIndex := make(map[externalapi.DomainHash]int, windowSize)
+			trustedDataDAABlockIndexes := make(map[externalapi.DomainHash][]uint64)
+
+			ghostdagData := make([]*externalapi.BlockGHOSTDAGDataHashPair, 0)
+			ghostdagDataHashToIndex := make(map[externalapi.DomainHash]int)
+			trustedDataGHOSTDAGDataIndexes := make(map[externalapi.DomainHash][]uint64)
+			for _, blockHash := range pointAndItsAnticone {
+				blockDAAWindowHashes, err := context.Domain().Consensus().BlockDAAWindowHashes(blockHash)
+				if err != nil {
+					return err
+				}
+
+				trustedDataDAABlockIndexes[*blockHash] = make([]uint64, 0, windowSize)
+				for i, daaBlockHash := range blockDAAWindowHashes {
+					index, exists := daaWindowHashesToIndex[*daaBlockHash]
+					if !exists {
+						trustedDataDataDAAHeader, err := context.Domain().Consensus().TrustedDataDataDAAHeader(blockHash, daaBlockHash, uint64(i))
+						if err != nil {
+							return err
+						}
+						daaWindowBlocks = append(daaWindowBlocks, trustedDataDataDAAHeader)
+						index = len(daaWindowBlocks) - 1
+						daaWindowHashesToIndex[*daaBlockHash] = index
+					}
+
+					trustedDataDAABlockIndexes[*blockHash] = append(trustedDataDAABlockIndexes[*blockHash], uint64(index))
+				}
+
+				ghostdagDataBlockHashes, err := context.Domain().Consensus().TrustedBlockAssociatedGHOSTDAGDataBlockHashes(blockHash)
+				if err != nil {
+					return err
+				}
+
+				trustedDataGHOSTDAGDataIndexes[*blockHash] = make([]uint64, 0, context.Config().NetParams().K)
+				for _, ghostdagDataBlockHash := range ghostdagDataBlockHashes {
+					index, exists := ghostdagDataHashToIndex[*ghostdagDataBlockHash]
+					if !exists {
+						data, err := context.Domain().Consensus().TrustedGHOSTDAGData(ghostdagDataBlockHash)
+						if err != nil {
+							return err
+						}
+						ghostdagData = append(ghostdagData, &externalapi.BlockGHOSTDAGDataHashPair{
+							Hash:         ghostdagDataBlockHash,
+							GHOSTDAGData: data,
+						})
+						index = len(ghostdagData) - 1
+						ghostdagDataHashToIndex[*ghostdagDataBlockHash] = index
+					}
+
+					trustedDataGHOSTDAGDataIndexes[*blockHash] = append(trustedDataGHOSTDAGDataIndexes[*blockHash], uint64(index))
+				}
+			}
+
+			err = outgoingRoute.Enqueue(appmessage.DomainTrustedDataToTrustedData(daaWindowBlocks, ghostdagData))
+			if err != nil {
+				return err
+			}
+
+			for _, blockHash := range pointAndItsAnticone {
+				block, err := context.Domain().Consensus().GetBlock(blockHash)
+				if err != nil {
+					return err
+				}
+
+				err = outgoingRoute.Enqueue(appmessage.DomainBlockWithTrustedDataToBlockWithTrustedDataV4(block, trustedDataDAABlockIndexes[*blockHash], trustedDataGHOSTDAGDataIndexes[*blockHash]))
+				if err != nil {
+					return err
+				}
+			}
+
+			err = outgoingRoute.Enqueue(appmessage.NewMsgDoneBlocksWithTrustedData())
+			if err != nil {
+				return err
+			}
+
+			log.Debugf("Sent pruning point and its anticone to %s", peer)
+			return nil
+		}()
+		if err != nil {
+			return err
+		}
+	}
+}

app/protocol/flows/v4/blockrelay/handle_relay_invs.go

@@ -3,6 +3,7 @@ package blockrelay
 import (
 	"github.com/kaspanet/kaspad/app/appmessage"
 	"github.com/kaspanet/kaspad/app/protocol/common"
+	"github.com/kaspanet/kaspad/app/protocol/flowcontext"
 	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
 	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
 	"github.com/kaspanet/kaspad/domain"
@@ -23,16 +24,15 @@ var orphanResolutionRange uint32 = 5
 type RelayInvsContext interface {
 	Domain() domain.Domain
 	Config() *config.Config
-	OnNewBlock(block *externalapi.DomainBlock, blockInsertionResult *externalapi.BlockInsertionResult) error
+	OnNewBlock(block *externalapi.DomainBlock, virtualChangeSet *externalapi.VirtualChangeSet) error
+	OnVirtualChange(virtualChangeSet *externalapi.VirtualChangeSet) error
 	OnPruningPointUTXOSetOverride() error
-	SharedRequestedBlocks() *SharedRequestedBlocks
+	SharedRequestedBlocks() *flowcontext.SharedRequestedBlocks
 	Broadcast(message appmessage.Message) error
 	AddOrphan(orphanBlock *externalapi.DomainBlock)
 	GetOrphanRoots(orphanHash *externalapi.DomainHash) ([]*externalapi.DomainHash, bool, error)
 	IsOrphan(blockHash *externalapi.DomainHash) bool
 	IsIBDRunning() bool
-	TrySetIBDRunning(ibdPeer *peerpkg.Peer) bool
-	UnsetIBDRunning()
 	IsRecoverableError(err error) bool
 }
 
@@ -55,7 +55,10 @@ func HandleRelayInvs(context RelayInvsContext, incomingRoute *router.Route, outg
 		peer:             peer,
 		invsQueue:        make([]*appmessage.MsgInvRelayBlock, 0),
 	}
-	return flow.start()
+	err := flow.start()
+	// Currently, HandleRelayInvs flow is the only place where IBD is triggered, so the channel can be closed now
+	close(peer.IBDRequestChannel())
+	return err
 }
 
 func (flow *handleRelayInvsFlow) start() error {
@@ -81,7 +84,18 @@ func (flow *handleRelayInvsFlow) start() error {
 			continue
 		}
 
+		isGenesisVirtualSelectedParent, err := flow.isGenesisVirtualSelectedParent()
+		if err != nil {
+			return err
+		}
+
 		if flow.IsOrphan(inv.Hash) {
+			if flow.Config().NetParams().DisallowDirectBlocksOnTopOfGenesis && !flow.Config().AllowSubmitBlockWhenNotSynced && isGenesisVirtualSelectedParent {
+				log.Infof("Cannot process orphan %s for a node with only the genesis block. The node needs to IBD "+
+					"to the recent pruning point before normal operation can resume.", inv.Hash)
+				continue
+			}
+
 			log.Debugf("Block %s is a known orphan. Requesting its missing ancestors", inv.Hash)
 			err := flow.AddOrphanRootsToQueue(inv.Hash)
 			if err != nil {
@@ -111,8 +125,13 @@ func (flow *handleRelayInvsFlow) start() error {
 			return err
 		}
 
+		if flow.Config().NetParams().DisallowDirectBlocksOnTopOfGenesis && !flow.Config().AllowSubmitBlockWhenNotSynced && !flow.Config().Devnet && flow.isChildOfGenesis(block) {
+			log.Infof("Cannot process %s because it's a direct child of genesis.", consensushashing.BlockHash(block))
+			continue
+		}
+
 		log.Debugf("Processing block %s", inv.Hash)
-		missingParents, blockInsertionResult, err := flow.processBlock(block)
+		missingParents, virtualChangeSet, err := flow.processBlock(block)
 		if err != nil {
 			if errors.Is(err, ruleerrors.ErrPrunedBlock) {
 				log.Infof("Ignoring pruned block %s", inv.Hash)
@@ -140,7 +159,7 @@ func (flow *handleRelayInvsFlow) start() error {
 			return err
 		}
 		log.Infof("Accepted block %s via relay", inv.Hash)
-		err = flow.OnNewBlock(block, blockInsertionResult)
+		err = flow.OnNewBlock(block, virtualChangeSet)
 		if err != nil {
 			return err
 		}
@@ -177,14 +196,14 @@ func (flow *handleRelayInvsFlow) readInv() (*appmessage.MsgInvRelayBlock, error)
 }
 
 func (flow *handleRelayInvsFlow) requestBlock(requestHash *externalapi.DomainHash) (*externalapi.DomainBlock, bool, error) {
-	exists := flow.SharedRequestedBlocks().addIfNotExists(requestHash)
+	exists := flow.SharedRequestedBlocks().AddIfNotExists(requestHash)
 	if exists {
 		return nil, true, nil
 	}
 
 	// In case the function returns earlier than expected, we want to make sure flow.SharedRequestedBlocks() is
 	// clean from any pending blocks.
-	defer flow.SharedRequestedBlocks().remove(requestHash)
+	defer flow.SharedRequestedBlocks().Remove(requestHash)
 
 	getRelayBlocksMsg := appmessage.NewMsgRequestRelayBlocks([]*externalapi.DomainHash{requestHash})
 	err := flow.outgoingRoute.Enqueue(getRelayBlocksMsg)
@@ -227,9 +246,9 @@ func (flow *handleRelayInvsFlow) readMsgBlock() (msgBlock *appmessage.MsgBlock,
 	}
 }
 
-func (flow *handleRelayInvsFlow) processBlock(block *externalapi.DomainBlock) ([]*externalapi.DomainHash, *externalapi.BlockInsertionResult, error) {
+func (flow *handleRelayInvsFlow) processBlock(block *externalapi.DomainBlock) ([]*externalapi.DomainHash, *externalapi.VirtualChangeSet, error) {
 	blockHash := consensushashing.BlockHash(block)
-	blockInsertionResult, err := flow.Domain().Consensus().ValidateAndInsertBlock(block, true)
+	virtualChangeSet, err := flow.Domain().Consensus().ValidateAndInsertBlock(block, true)
 	if err != nil {
 		if !errors.As(err, &ruleerrors.RuleError{}) {
 			return nil, nil, errors.Wrapf(err, "failed to process block %s", blockHash)
@@ -242,7 +261,7 @@ func (flow *handleRelayInvsFlow) processBlock(block *externalapi.DomainBlock) ([
 		log.Warnf("Rejected block %s from %s: %s", blockHash, flow.peer, err)
 		return nil, nil, protocolerrors.Wrapf(true, err, "got invalid block %s from relay", blockHash)
 	}
-	return nil, blockInsertionResult, nil
+	return nil, virtualChangeSet, nil
 }
 
 func (flow *handleRelayInvsFlow) relayBlock(block *externalapi.DomainBlock) error {
@@ -265,6 +284,19 @@ func (flow *handleRelayInvsFlow) processOrphan(block *externalapi.DomainBlock) e
 		return err
 	}
 	if isBlockInOrphanResolutionRange {
+		if flow.Config().NetParams().DisallowDirectBlocksOnTopOfGenesis && !flow.Config().AllowSubmitBlockWhenNotSynced {
+			isGenesisVirtualSelectedParent, err := flow.isGenesisVirtualSelectedParent()
+			if err != nil {
+				return err
+			}
+
+			if isGenesisVirtualSelectedParent {
+				log.Infof("Cannot process orphan %s for a node with only the genesis block. The node needs to IBD "+
+					"to the recent pruning point before normal operation can resume.", blockHash)
+				return nil
+			}
+		}
+
 		log.Debugf("Block %s is within orphan resolution range. "+
 			"Adding it to the orphan set", blockHash)
 		flow.AddOrphan(block)
@@ -275,7 +307,28 @@ func (flow *handleRelayInvsFlow) processOrphan(block *externalapi.DomainBlock) e
 	// Start IBD unless we already are in IBD
 	log.Debugf("Block %s is out of orphan resolution range. "+
 		"Attempting to start IBD against it.", blockHash)
-	return flow.runIBDIfNotRunning(block)
+
+	// Send the block to IBD flow via the IBDRequestChannel.
+	// Note that this is a non-blocking send, since if IBD is already running, there is no need to trigger it
+	select {
+	case flow.peer.IBDRequestChannel() <- block:
+	default:
+	}
+	return nil
+}
+
+func (flow *handleRelayInvsFlow) isGenesisVirtualSelectedParent() (bool, error) {
+	virtualSelectedParent, err := flow.Domain().Consensus().GetVirtualSelectedParent()
+	if err != nil {
+		return false, err
+	}
+
+	return virtualSelectedParent.Equal(flow.Config().NetParams().GenesisHash), nil
+}
+
+func (flow *handleRelayInvsFlow) isChildOfGenesis(block *externalapi.DomainBlock) bool {
+	parents := block.Header.DirectParents()
+	return len(parents) == 1 && parents[0].Equal(flow.Config().NetParams().GenesisHash)
 }
 
 // isBlockInOrphanResolutionRange finds out whether the given blockHash should be

app/protocol/flows/v4/blockrelay/handle_request_pruning_point_utxo_set.go

@@ -70,7 +70,8 @@ func (flow *handleRequestPruningPointUTXOSetFlow) waitForRequestPruningPointUTXO
 	}
 	msgRequestPruningPointUTXOSet, ok := message.(*appmessage.MsgRequestPruningPointUTXOSet)
 	if !ok {
-		return nil, protocolerrors.Errorf(true, "received unexpected message type. "+
+		// TODO: Change to shouldBan: true once we fix the bug of getting redundant messages
+		return nil, protocolerrors.Errorf(false, "received unexpected message type. "+
 			"expected: %s, got: %s", appmessage.CmdRequestPruningPointUTXOSet, message.Command())
 	}
 	return msgRequestPruningPointUTXOSet, nil
@@ -123,7 +124,8 @@ func (flow *handleRequestPruningPointUTXOSetFlow) sendPruningPointUTXOSet(
 			}
 			_, ok := message.(*appmessage.MsgRequestNextPruningPointUTXOSetChunk)
 			if !ok {
-				return protocolerrors.Errorf(true, "received unexpected message type. "+
+				// TODO: Change to shouldBan: true once we fix the bug of getting redundant messages
+				return protocolerrors.Errorf(false, "received unexpected message type. "+
 					"expected: %s, got: %s", appmessage.CmdRequestNextPruningPointUTXOSetChunk, message.Command())
 			}
 

app/protocol/flows/v4/blockrelay/ibd.go

@@ -1,22 +1,71 @@
 package blockrelay
 
 import (
-	"time"
-
-	"github.com/kaspanet/kaspad/infrastructure/logger"
-
-	"github.com/kaspanet/kaspad/domain/consensus/model"
-
 	"github.com/kaspanet/kaspad/app/appmessage"
 	"github.com/kaspanet/kaspad/app/protocol/common"
+	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
 	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
+	"github.com/kaspanet/kaspad/domain"
+	"github.com/kaspanet/kaspad/domain/consensus/model"
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
 	"github.com/kaspanet/kaspad/domain/consensus/ruleerrors"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
+	"github.com/kaspanet/kaspad/infrastructure/config"
+	"github.com/kaspanet/kaspad/infrastructure/logger"
+	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+	"github.com/kaspanet/kaspad/util/difficulty"
 	"github.com/pkg/errors"
+	"math/big"
+	"time"
 )
 
-func (flow *handleRelayInvsFlow) runIBDIfNotRunning(block *externalapi.DomainBlock) error {
+// IBDContext is the interface for the context needed for the HandleIBD flow.
+type IBDContext interface {
+	Domain() domain.Domain
+	Config() *config.Config
+	OnNewBlock(block *externalapi.DomainBlock, virtualChangeSet *externalapi.VirtualChangeSet) error
+	OnVirtualChange(virtualChangeSet *externalapi.VirtualChangeSet) error
+	OnPruningPointUTXOSetOverride() error
+	IsIBDRunning() bool
+	TrySetIBDRunning(ibdPeer *peerpkg.Peer) bool
+	UnsetIBDRunning()
+	IsRecoverableError(err error) bool
+}
+
+type handleIBDFlow struct {
+	IBDContext
+	incomingRoute, outgoingRoute *router.Route
+	peer                         *peerpkg.Peer
+}
+
+// HandleIBD handles IBD
+func HandleIBD(context IBDContext, incomingRoute *router.Route, outgoingRoute *router.Route,
+	peer *peerpkg.Peer) error {
+
+	flow := &handleIBDFlow{
+		IBDContext:    context,
+		incomingRoute: incomingRoute,
+		outgoingRoute: outgoingRoute,
+		peer:          peer,
+	}
+	return flow.start()
+}
+
+func (flow *handleIBDFlow) start() error {
+	for {
+		// Wait for IBD requests triggered by other flows
+		block, ok := <-flow.peer.IBDRequestChannel()
+		if !ok {
+			return nil
+		}
+		err := flow.runIBDIfNotRunning(block)
+		if err != nil {
+			return err
+		}
+	}
+}
+
+func (flow *handleIBDFlow) runIBDIfNotRunning(block *externalapi.DomainBlock) error {
 	wasIBDNotRunning := flow.TrySetIBDRunning(flow.peer)
 	if !wasIBDNotRunning {
 		log.Debugf("IBD is already running")
@@ -30,14 +79,37 @@ func (flow *handleRelayInvsFlow) runIBDIfNotRunning(block *externalapi.DomainBlo
 	}()
 
 	highHash := consensushashing.BlockHash(block)
-	log.Debugf("IBD started with peer %s and highHash %s", flow.peer, highHash)
-	log.Debugf("Syncing blocks up to %s", highHash)
-	log.Debugf("Trying to find highest shared chain block with peer %s with high hash %s", flow.peer, highHash)
+	log.Criticalf("IBD started with peer %s and highHash %s", flow.peer, highHash)
+	log.Criticalf("Syncing blocks up to %s", highHash)
+	log.Criticalf("Trying to find highest shared chain block with peer %s with high hash %s", flow.peer, highHash)
 	highestSharedBlockHash, highestSharedBlockFound, err := flow.findHighestSharedBlockHash(highHash)
 	if err != nil {
 		return err
 	}
-	log.Debugf("Found highest shared chain block %s with peer %s", highestSharedBlockHash, flow.peer)
+	log.Criticalf("Found highest shared chain block %s with peer %s", highestSharedBlockHash, flow.peer)
+
+	if highestSharedBlockFound {
+		virtualSelectedParent, err := flow.Domain().Consensus().GetVirtualSelectedParent()
+		if err != nil {
+			return err
+		}
+		virtualSelectedParentHeader, err := flow.Domain().Consensus().GetBlockHeader(virtualSelectedParent)
+		if err != nil {
+			return err
+		}
+		if virtualSelectedParentHeader.DAAScore() > block.Header.DAAScore()+2641*3 {
+			virtualDifficulty := difficulty.CalcWork(virtualSelectedParentHeader.Bits())
+			var virtualSub, difficultyMul big.Int
+			if difficultyMul.Mul(virtualDifficulty, big.NewInt(180)).
+				Cmp(virtualSub.Sub(virtualSelectedParentHeader.BlueWork(), block.Header.BlueWork())) < 0 {
+				log.Criticalf("Stopped IBD because it is coming from a deep (%d DAA score depth) "+
+					"side-chain which split at %s and has lower blue work (%d, %d)",
+					virtualSelectedParentHeader.DAAScore()-block.Header.DAAScore(),
+					highestSharedBlockHash, virtualSelectedParentHeader.BlueWork(), block.Header.BlueWork())
+				return nil
+			}
+		}
+	}
 
 	shouldDownloadHeadersProof, shouldSync, err := flow.shouldSyncAndShouldDownloadHeadersProof(block, highestSharedBlockFound)
 	if err != nil {
@@ -50,12 +122,25 @@ func (flow *handleRelayInvsFlow) runIBDIfNotRunning(block *externalapi.DomainBlo
 
 	if shouldDownloadHeadersProof {
 		log.Infof("Starting IBD with headers proof")
-		err := flow.ibdWithHeadersProof(highHash)
+		err := flow.ibdWithHeadersProof(highHash, block.Header.DAAScore())
 		if err != nil {
 			return err
 		}
 	} else {
-		err = flow.syncPruningPointFutureHeaders(flow.Domain().Consensus(), highestSharedBlockHash, highHash)
+		if flow.Config().NetParams().DisallowDirectBlocksOnTopOfGenesis && !flow.Config().AllowSubmitBlockWhenNotSynced {
+			isGenesisVirtualSelectedParent, err := flow.isGenesisVirtualSelectedParent()
+			if err != nil {
+				return err
+			}
+
+			if isGenesisVirtualSelectedParent {
+				log.Infof("Cannot IBD to %s because it won't change the pruning point. The node needs to IBD "+
+					"to the recent pruning point before normal operation can resume.", highHash)
+				return nil
+			}
+		}
+
+		err = flow.syncPruningPointFutureHeaders(flow.Domain().Consensus(), highestSharedBlockHash, highHash, block.Header.DAAScore())
 		if err != nil {
 			return err
 		}
@@ -71,7 +156,16 @@ func (flow *handleRelayInvsFlow) runIBDIfNotRunning(block *externalapi.DomainBlo
 	return nil
 }
 
-func (flow *handleRelayInvsFlow) logIBDFinished(isFinishedSuccessfully bool) {
+func (flow *handleIBDFlow) isGenesisVirtualSelectedParent() (bool, error) {
+	virtualSelectedParent, err := flow.Domain().Consensus().GetVirtualSelectedParent()
+	if err != nil {
+		return false, err
+	}
+
+	return virtualSelectedParent.Equal(flow.Config().NetParams().GenesisHash), nil
+}
+
+func (flow *handleIBDFlow) logIBDFinished(isFinishedSuccessfully bool) {
 	successString := "successfully"
 	if !isFinishedSuccessfully {
 		successString = "(interrupted)"
@@ -82,7 +176,7 @@ func (flow *handleRelayInvsFlow) logIBDFinished(isFinishedSuccessfully bool) {
 // findHighestSharedBlock attempts to find the highest shared block between the peer
 // and this node. This method may fail because the peer and us have conflicting pruning
 // points. In that case we return (nil, false, nil) so that we may stop IBD gracefully.
-func (flow *handleRelayInvsFlow) findHighestSharedBlockHash(
+func (flow *handleIBDFlow) findHighestSharedBlockHash(
 	targetHash *externalapi.DomainHash) (*externalapi.DomainHash, bool, error) {
 
 	log.Debugf("Sending a blockLocator to %s between pruning point and headers selected tip", flow.peer)
@@ -125,7 +219,7 @@ func (flow *handleRelayInvsFlow) findHighestSharedBlockHash(
 	}
 }
 
-func (flow *handleRelayInvsFlow) nextBlockLocator(lowHash, highHash *externalapi.DomainHash) (externalapi.BlockLocator, error) {
+func (flow *handleIBDFlow) nextBlockLocator(lowHash, highHash *externalapi.DomainHash) (externalapi.BlockLocator, error) {
 	log.Debugf("Sending a blockLocator to %s between %s and %s", flow.peer, lowHash, highHash)
 	blockLocator, err := flow.Domain().Consensus().CreateHeadersSelectedChainBlockLocator(lowHash, highHash)
 	if err != nil {
@@ -143,7 +237,7 @@ func (flow *handleRelayInvsFlow) nextBlockLocator(lowHash, highHash *externalapi
 	return blockLocator, nil
 }
 
-func (flow *handleRelayInvsFlow) findHighestHashIndex(
+func (flow *handleIBDFlow) findHighestHashIndex(
 	highestHash *externalapi.DomainHash, blockLocator externalapi.BlockLocator) (int, error) {
 
 	highestHashIndex := 0
@@ -168,7 +262,7 @@ func (flow *handleRelayInvsFlow) findHighestHashIndex(
 // fetchHighestHash attempts to fetch the highest hash the peer knows amongst the given
 // blockLocator. This method may fail because the peer and us have conflicting pruning
 // points. In that case we return (nil, false, nil) so that we may stop IBD gracefully.
-func (flow *handleRelayInvsFlow) fetchHighestHash(
+func (flow *handleIBDFlow) fetchHighestHash(
 	targetHash *externalapi.DomainHash, blockLocator externalapi.BlockLocator) (*externalapi.DomainHash, bool, error) {
 
 	ibdBlockLocatorMessage := appmessage.NewMsgIBDBlockLocator(targetHash, blockLocator)
@@ -176,7 +270,7 @@ func (flow *handleRelayInvsFlow) fetchHighestHash(
 	if err != nil {
 		return nil, false, err
 	}
-	message, err := flow.dequeueIncomingMessageAndSkipInvs(common.DefaultTimeout)
+	message, err := flow.incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
 	if err != nil {
 		return nil, false, err
 	}
@@ -196,8 +290,8 @@ func (flow *handleRelayInvsFlow) fetchHighestHash(
 	}
 }
 
-func (flow *handleRelayInvsFlow) syncPruningPointFutureHeaders(consensus externalapi.Consensus, highestSharedBlockHash *externalapi.DomainHash,
-	highHash *externalapi.DomainHash) error {
+func (flow *handleIBDFlow) syncPruningPointFutureHeaders(consensus externalapi.Consensus, highestSharedBlockHash *externalapi.DomainHash,
+	highHash *externalapi.DomainHash, highBlockDAAScore uint64) error {
 
 	log.Infof("Downloading headers from %s", flow.peer)
 
@@ -206,6 +300,12 @@ func (flow *handleRelayInvsFlow) syncPruningPointFutureHeaders(consensus externa
 		return err
 	}
 
+	highestSharedBlockHeader, err := consensus.GetBlockHeader(highestSharedBlockHash)
+	if err != nil {
+		return err
+	}
+	progressReporter := newIBDProgressReporter(highestSharedBlockHeader.DAAScore(), highBlockDAAScore, "block headers")
+
 	// Keep a short queue of BlockHeadersMessages so that there's
 	// never a moment when the node is not validating and inserting
 	// headers
@@ -249,26 +349,29 @@ func (flow *handleRelayInvsFlow) syncPruningPointFutureHeaders(consensus externa
 				return nil
 			}
 			for _, header := range ibdBlocksMessage.BlockHeaders {
-				err = flow.processHeader(consensus, header)
+				_, err := flow.processHeader(consensus, header)
 				if err != nil {
 					return err
 				}
 			}
+
+			lastReceivedHeader := ibdBlocksMessage.BlockHeaders[len(ibdBlocksMessage.BlockHeaders)-1]
+			progressReporter.reportProgress(len(ibdBlocksMessage.BlockHeaders), lastReceivedHeader.DAAScore)
 		case err := <-errChan:
 			return err
 		}
 	}
 }
 
-func (flow *handleRelayInvsFlow) sendRequestHeaders(highestSharedBlockHash *externalapi.DomainHash,
+func (flow *handleIBDFlow) sendRequestHeaders(highestSharedBlockHash *externalapi.DomainHash,
 	peerSelectedTipHash *externalapi.DomainHash) error {
 
 	msgGetBlockInvs := appmessage.NewMsgRequstHeaders(highestSharedBlockHash, peerSelectedTipHash)
 	return flow.outgoingRoute.Enqueue(msgGetBlockInvs)
 }
 
-func (flow *handleRelayInvsFlow) receiveHeaders() (msgIBDBlock *appmessage.BlockHeadersMessage, doneHeaders bool, err error) {
-	message, err := flow.dequeueIncomingMessageAndSkipInvs(common.DefaultTimeout)
+func (flow *handleIBDFlow) receiveHeaders() (msgIBDBlock *appmessage.BlockHeadersMessage, doneHeaders bool, err error) {
+	message, err := flow.incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
 	if err != nil {
 		return nil, false, err
 	}
@@ -287,7 +390,7 @@ func (flow *handleRelayInvsFlow) receiveHeaders() (msgIBDBlock *appmessage.Block
 	}
 }
 
-func (flow *handleRelayInvsFlow) processHeader(consensus externalapi.Consensus, msgBlockHeader *appmessage.MsgBlockHeader) error {
+func (flow *handleIBDFlow) processHeader(consensus externalapi.Consensus, msgBlockHeader *appmessage.MsgBlockHeader) (bool, error) {
 	header := appmessage.BlockHeaderToDomainBlockHeader(msgBlockHeader)
 	block := &externalapi.DomainBlock{
 		Header:       header,
@@ -297,30 +400,29 @@ func (flow *handleRelayInvsFlow) processHeader(consensus externalapi.Consensus,
 	blockHash := consensushashing.BlockHash(block)
 	blockInfo, err := consensus.GetBlockInfo(blockHash)
 	if err != nil {
-		return err
+		return false, err
 	}
 	if blockInfo.Exists {
 		log.Debugf("Block header %s is already in the DAG. Skipping...", blockHash)
-		return nil
+		return false, nil
 	}
 	_, err = consensus.ValidateAndInsertBlock(block, false)
 	if err != nil {
 		if !errors.As(err, &ruleerrors.RuleError{}) {
-			return errors.Wrapf(err, "failed to process header %s during IBD", blockHash)
+			return false, errors.Wrapf(err, "failed to process header %s during IBD", blockHash)
 		}
 
 		if errors.Is(err, ruleerrors.ErrDuplicateBlock) {
 			log.Debugf("Skipping block header %s as it is a duplicate", blockHash)
 		} else {
 			log.Infof("Rejected block header %s from %s during IBD: %s", blockHash, flow.peer, err)
-			return protocolerrors.Wrapf(true, err, "got invalid block header %s during IBD", blockHash)
+			return false, protocolerrors.Wrapf(true, err, "got invalid block header %s during IBD", blockHash)
 		}
 	}
-
-	return nil
+	return true, nil
 }
 
-func (flow *handleRelayInvsFlow) validatePruningPointFutureHeaderTimestamps() error {
+func (flow *handleIBDFlow) validatePruningPointFutureHeaderTimestamps() error {
 	headerSelectedTipHash, err := flow.Domain().StagingConsensus().GetHeadersSelectedTip()
 	if err != nil {
 		return err
@@ -354,7 +456,7 @@ func (flow *handleRelayInvsFlow) validatePruningPointFutureHeaderTimestamps() er
 	return nil
 }
 
-func (flow *handleRelayInvsFlow) receiveAndInsertPruningPointUTXOSet(
+func (flow *handleIBDFlow) receiveAndInsertPruningPointUTXOSet(
 	consensus externalapi.Consensus, pruningPointHash *externalapi.DomainHash) (bool, error) {
 
 	onEnd := logger.LogAndMeasureExecutionTime(log, "receiveAndInsertPruningPointUTXOSet")
@@ -363,7 +465,7 @@ func (flow *handleRelayInvsFlow) receiveAndInsertPruningPointUTXOSet(
 	receivedChunkCount := 0
 	receivedUTXOCount := 0
 	for {
-		message, err := flow.dequeueIncomingMessageAndSkipInvs(common.DefaultTimeout)
+		message, err := flow.incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
 		if err != nil {
 			return false, err
 		}
@@ -409,7 +511,7 @@ func (flow *handleRelayInvsFlow) receiveAndInsertPruningPointUTXOSet(
 	}
 }
 
-func (flow *handleRelayInvsFlow) syncMissingBlockBodies(highHash *externalapi.DomainHash) error {
+func (flow *handleIBDFlow) syncMissingBlockBodies(highHash *externalapi.DomainHash) error {
 	hashes, err := flow.Domain().Consensus().GetMissingBlockBodyHashes(highHash)
 	if err != nil {
 		return err
@@ -422,6 +524,17 @@ func (flow *handleRelayInvsFlow) syncMissingBlockBodies(highHash *externalapi.Do
 		return nil
 	}
 
+	lowBlockHeader, err := flow.Domain().Consensus().GetBlockHeader(hashes[0])
+	if err != nil {
+		return err
+	}
+	highBlockHeader, err := flow.Domain().Consensus().GetBlockHeader(hashes[len(hashes)-1])
+	if err != nil {
+		return err
+	}
+	progressReporter := newIBDProgressReporter(lowBlockHeader.DAAScore(), highBlockHeader.DAAScore(), "blocks")
+	highestProcessedDAAScore := lowBlockHeader.DAAScore()
+
 	for offset := 0; offset < len(hashes); offset += ibdBatchSize {
 		var hashesToRequest []*externalapi.DomainHash
 		if offset+ibdBatchSize < len(hashes) {
@@ -436,7 +549,7 @@ func (flow *handleRelayInvsFlow) syncMissingBlockBodies(highHash *externalapi.Do
 		}
 
 		for _, expectedHash := range hashesToRequest {
-			message, err := flow.dequeueIncomingMessageAndSkipInvs(common.DefaultTimeout)
+			message, err := flow.incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
 			if err != nil {
 				return err
 			}
@@ -458,7 +571,7 @@ func (flow *handleRelayInvsFlow) syncMissingBlockBodies(highHash *externalapi.Do
 				return err
 			}
 
-			blockInsertionResult, err := flow.Domain().Consensus().ValidateAndInsertBlock(block, false)
+			virtualChangeSet, err := flow.Domain().Consensus().ValidateAndInsertBlock(block, false)
 			if err != nil {
 				if errors.Is(err, ruleerrors.ErrDuplicateBlock) {
 					log.Debugf("Skipping IBD Block %s as it has already been added to the DAG", blockHash)
@@ -466,27 +579,62 @@ func (flow *handleRelayInvsFlow) syncMissingBlockBodies(highHash *externalapi.Do
 				}
 				return protocolerrors.ConvertToBanningProtocolErrorIfRuleError(err, "invalid block %s", blockHash)
 			}
-			err = flow.OnNewBlock(block, blockInsertionResult)
+			err = flow.OnNewBlock(block, virtualChangeSet)
 			if err != nil {
 				return err
 			}
+
+			highestProcessedDAAScore = block.Header.DAAScore()
 		}
+
+		progressReporter.reportProgress(len(hashesToRequest), highestProcessedDAAScore)
 	}
 
-	return flow.Domain().Consensus().ResolveVirtual()
+	return flow.resolveVirtual(highestProcessedDAAScore)
 }
 
-// dequeueIncomingMessageAndSkipInvs is a convenience method to be used during
-// IBD. Inv messages are expected to arrive at any given moment, but should be
-// ignored while we're in IBD
-func (flow *handleRelayInvsFlow) dequeueIncomingMessageAndSkipInvs(timeout time.Duration) (appmessage.Message, error) {
-	for {
-		message, err := flow.incomingRoute.DequeueWithTimeout(timeout)
+func (flow *handleIBDFlow) banIfBlockIsHeaderOnly(block *externalapi.DomainBlock) error {
+	if len(block.Transactions) == 0 {
+		return protocolerrors.Errorf(true, "sent header of %s block where expected block with body",
+			consensushashing.BlockHash(block))
+	}
+
+	return nil
+}
+
+func (flow *handleIBDFlow) resolveVirtual(estimatedVirtualDAAScoreTarget uint64) error {
+	virtualDAAScoreStart, err := flow.Domain().Consensus().GetVirtualDAAScore()
+	if err != nil {
+		return err
+	}
+
+	for i := 0; ; i++ {
+		if i%10 == 0 {
+			virtualDAAScore, err := flow.Domain().Consensus().GetVirtualDAAScore()
+			if err != nil {
+				return err
+			}
+			var percents int
+			if estimatedVirtualDAAScoreTarget-virtualDAAScoreStart <= 0 {
+				percents = 100
+			} else {
+				percents = int(float64(virtualDAAScore-virtualDAAScoreStart) / float64(estimatedVirtualDAAScoreTarget-virtualDAAScoreStart) * 100)
+			}
+			log.Infof("Resolving virtual. Estimated progress: %d%%", percents)
+		}
+		virtualChangeSet, isCompletelyResolved, err := flow.Domain().Consensus().ResolveVirtual()
 		if err != nil {
-			return nil, err
+			return err
 		}
-		if _, ok := message.(*appmessage.MsgInvRelayBlock); !ok {
-			return message, nil
+
+		err = flow.OnVirtualChange(virtualChangeSet)
+		if err != nil {
+			return err
+		}
+
+		if isCompletelyResolved {
+			log.Infof("Resolved virtual")
+			return nil
 		}
 	}
 }

app/protocol/flows/v4/blockrelay/ibd_progress_reporter.go

@@ -0,0 +1,32 @@
+package blockrelay
+
+type ibdProgressReporter struct {
+	lowDAAScore                 uint64
+	highDAAScore                uint64
+	objectName                  string
+	totalDAAScoreDifference     uint64
+	lastReportedProgressPercent int
+	processed                   int
+}
+
+func newIBDProgressReporter(lowDAAScore uint64, highDAAScore uint64, objectName string) *ibdProgressReporter {
+	return &ibdProgressReporter{
+		lowDAAScore:                 lowDAAScore,
+		highDAAScore:                highDAAScore,
+		objectName:                  objectName,
+		totalDAAScoreDifference:     highDAAScore - lowDAAScore,
+		lastReportedProgressPercent: 0,
+		processed:                   0,
+	}
+}
+
+func (ipr *ibdProgressReporter) reportProgress(processedDelta int, highestProcessedDAAScore uint64) {
+	ipr.processed += processedDelta
+
+	relativeDAAScore := highestProcessedDAAScore - ipr.lowDAAScore
+	progressPercent := int((float64(relativeDAAScore) / float64(ipr.totalDAAScoreDifference)) * 100)
+	if progressPercent > ipr.lastReportedProgressPercent {
+		log.Infof("IBD: Processed %d %s (%d%%)", ipr.processed, ipr.objectName, progressPercent)
+		ipr.lastReportedProgressPercent = progressPercent
+	}
+}

app/protocol/flows/v4/blockrelay/ibd_with_headers_proof.go

@@ -9,15 +9,16 @@ import (
 	"github.com/kaspanet/kaspad/domain/consensus/ruleerrors"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
 	"github.com/pkg/errors"
+	"time"
 )
 
-func (flow *handleRelayInvsFlow) ibdWithHeadersProof(highHash *externalapi.DomainHash) error {
+func (flow *handleIBDFlow) ibdWithHeadersProof(highHash *externalapi.DomainHash, highBlockDAAScore uint64) error {
 	err := flow.Domain().InitStagingConsensus()
 	if err != nil {
 		return err
 	}
 
-	err = flow.downloadHeadersAndPruningUTXOSet(highHash)
+	err = flow.downloadHeadersAndPruningUTXOSet(highHash, highBlockDAAScore)
 	if err != nil {
 		if !flow.IsRecoverableError(err) {
 			return err
@@ -36,10 +37,15 @@ func (flow *handleRelayInvsFlow) ibdWithHeadersProof(highHash *externalapi.Domai
 		return err
 	}
 
+	err = flow.OnPruningPointUTXOSetOverride()
+	if err != nil {
+		return err
+	}
+
 	return nil
 }
 
-func (flow *handleRelayInvsFlow) shouldSyncAndShouldDownloadHeadersProof(highBlock *externalapi.DomainBlock,
+func (flow *handleIBDFlow) shouldSyncAndShouldDownloadHeadersProof(highBlock *externalapi.DomainBlock,
 	highestSharedBlockFound bool) (shouldDownload, shouldSync bool, err error) {
 
 	if !highestSharedBlockFound {
@@ -58,7 +64,7 @@ func (flow *handleRelayInvsFlow) shouldSyncAndShouldDownloadHeadersProof(highBlo
 	return false, true, nil
 }
 
-func (flow *handleRelayInvsFlow) checkIfHighHashHasMoreBlueWorkThanSelectedTipAndPruningDepthMoreBlueScore(highBlock *externalapi.DomainBlock) (bool, error) {
+func (flow *handleIBDFlow) checkIfHighHashHasMoreBlueWorkThanSelectedTipAndPruningDepthMoreBlueScore(highBlock *externalapi.DomainBlock) (bool, error) {
 	headersSelectedTip, err := flow.Domain().Consensus().GetHeadersSelectedTip()
 	if err != nil {
 		return false, err
@@ -76,13 +82,13 @@ func (flow *handleRelayInvsFlow) checkIfHighHashHasMoreBlueWorkThanSelectedTipAn
 	return highBlock.Header.BlueWork().Cmp(headersSelectedTipInfo.BlueWork) > 0, nil
 }
 
-func (flow *handleRelayInvsFlow) syncAndValidatePruningPointProof() (*externalapi.DomainHash, error) {
+func (flow *handleIBDFlow) syncAndValidatePruningPointProof() (*externalapi.DomainHash, error) {
 	log.Infof("Downloading the pruning point proof from %s", flow.peer)
 	err := flow.outgoingRoute.Enqueue(appmessage.NewMsgRequestPruningPointProof())
 	if err != nil {
 		return nil, err
 	}
-	message, err := flow.dequeueIncomingMessageAndSkipInvs(common.DefaultTimeout)
+	message, err := flow.incomingRoute.DequeueWithTimeout(10 * time.Minute)
 	if err != nil {
 		return nil, err
 	}
@@ -108,7 +114,7 @@ func (flow *handleRelayInvsFlow) syncAndValidatePruningPointProof() (*externalap
 	return consensushashing.HeaderHash(pruningPointProof.Headers[0][len(pruningPointProof.Headers[0])-1]), nil
 }
 
-func (flow *handleRelayInvsFlow) downloadHeadersAndPruningUTXOSet(highHash *externalapi.DomainHash) error {
+func (flow *handleIBDFlow) downloadHeadersAndPruningUTXOSet(highHash *externalapi.DomainHash, highBlockDAAScore uint64) error {
 	proofPruningPoint, err := flow.syncAndValidatePruningPointProof()
 	if err != nil {
 		return err
@@ -125,12 +131,12 @@ func (flow *handleRelayInvsFlow) downloadHeadersAndPruningUTXOSet(highHash *exte
 		return protocolerrors.Errorf(true, "the genesis pruning point violates finality")
 	}
 
-	err = flow.syncPruningPointFutureHeaders(flow.Domain().StagingConsensus(), proofPruningPoint, highHash)
+	err = flow.syncPruningPointFutureHeaders(flow.Domain().StagingConsensus(), proofPruningPoint, highHash, highBlockDAAScore)
 	if err != nil {
 		return err
 	}
 
-	log.Debugf("Headers downloaded from peer %s", flow.peer)
+	log.Infof("Headers downloaded from peer %s", flow.peer)
 
 	highHashInfo, err := flow.Domain().StagingConsensus().GetBlockInfo(highHash)
 	if err != nil {
@@ -159,7 +165,7 @@ func (flow *handleRelayInvsFlow) downloadHeadersAndPruningUTXOSet(highHash *exte
 	return nil
 }
 
-func (flow *handleRelayInvsFlow) syncPruningPointsAndPruningPointAnticone(proofPruningPoint *externalapi.DomainHash) error {
+func (flow *handleIBDFlow) syncPruningPointsAndPruningPointAnticone(proofPruningPoint *externalapi.DomainHash) error {
 	log.Infof("Downloading the past pruning points and the pruning point anticone from %s", flow.peer)
 	err := flow.outgoingRoute.Enqueue(appmessage.NewMsgRequestPruningPointAndItsAnticone())
 	if err != nil {
@@ -171,6 +177,17 @@ func (flow *handleRelayInvsFlow) syncPruningPointsAndPruningPointAnticone(proofP
 		return err
 	}
 
+	message, err := flow.incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
+	if err != nil {
+		return err
+	}
+
+	msgTrustedData, ok := message.(*appmessage.MsgTrustedData)
+	if !ok {
+		return protocolerrors.Errorf(true, "received unexpected message type. "+
+			"expected: %s, got: %s", appmessage.CmdTrustedData, message.Command())
+	}
+
 	pruningPointWithMetaData, done, err := flow.receiveBlockWithTrustedData()
 	if err != nil {
 		return err
@@ -184,7 +201,7 @@ func (flow *handleRelayInvsFlow) syncPruningPointsAndPruningPointAnticone(proofP
 		return protocolerrors.Errorf(true, "first block with trusted data is not the pruning point")
 	}
 
-	err = flow.processBlockWithTrustedData(flow.Domain().StagingConsensus(), pruningPointWithMetaData)
+	err = flow.processBlockWithTrustedData(flow.Domain().StagingConsensus(), pruningPointWithMetaData, msgTrustedData)
 	if err != nil {
 		return err
 	}
@@ -199,7 +216,7 @@ func (flow *handleRelayInvsFlow) syncPruningPointsAndPruningPointAnticone(proofP
 			break
 		}
 
-		err = flow.processBlockWithTrustedData(flow.Domain().StagingConsensus(), blockWithTrustedData)
+		err = flow.processBlockWithTrustedData(flow.Domain().StagingConsensus(), blockWithTrustedData, msgTrustedData)
 		if err != nil {
 			return err
 		}
@@ -209,21 +226,35 @@ func (flow *handleRelayInvsFlow) syncPruningPointsAndPruningPointAnticone(proofP
 	return nil
 }
 
-func (flow *handleRelayInvsFlow) processBlockWithTrustedData(
-	consensus externalapi.Consensus, block *appmessage.MsgBlockWithTrustedData) error {
+func (flow *handleIBDFlow) processBlockWithTrustedData(
+	consensus externalapi.Consensus, block *appmessage.MsgBlockWithTrustedDataV4, data *appmessage.MsgTrustedData) error {
 
-	_, err := consensus.ValidateAndInsertBlockWithTrustedData(appmessage.BlockWithTrustedDataToDomainBlockWithTrustedData(block), false)
+	blockWithTrustedData := &externalapi.BlockWithTrustedData{
+		Block:        appmessage.MsgBlockToDomainBlock(block.Block),
+		DAAWindow:    make([]*externalapi.TrustedDataDataDAAHeader, 0, len(block.DAAWindowIndices)),
+		GHOSTDAGData: make([]*externalapi.BlockGHOSTDAGDataHashPair, 0, len(block.GHOSTDAGDataIndices)),
+	}
+
+	for _, index := range block.DAAWindowIndices {
+		blockWithTrustedData.DAAWindow = append(blockWithTrustedData.DAAWindow, appmessage.TrustedDataDataDAABlockV4ToTrustedDataDataDAAHeader(data.DAAWindow[index]))
+	}
+
+	for _, index := range block.GHOSTDAGDataIndices {
+		blockWithTrustedData.GHOSTDAGData = append(blockWithTrustedData.GHOSTDAGData, appmessage.GHOSTDAGHashPairToDomainGHOSTDAGHashPair(data.GHOSTDAGData[index]))
+	}
+
+	_, err := consensus.ValidateAndInsertBlockWithTrustedData(blockWithTrustedData, false)
 	return err
 }
 
-func (flow *handleRelayInvsFlow) receiveBlockWithTrustedData() (*appmessage.MsgBlockWithTrustedData, bool, error) {
-	message, err := flow.dequeueIncomingMessageAndSkipInvs(common.DefaultTimeout)
+func (flow *handleIBDFlow) receiveBlockWithTrustedData() (*appmessage.MsgBlockWithTrustedDataV4, bool, error) {
+	message, err := flow.incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
 	if err != nil {
 		return nil, false, err
 	}
 
 	switch downCastedMessage := message.(type) {
-	case *appmessage.MsgBlockWithTrustedData:
+	case *appmessage.MsgBlockWithTrustedDataV4:
 		return downCastedMessage, false, nil
 	case *appmessage.MsgDoneBlocksWithTrustedData:
 		return nil, true, nil
@@ -237,8 +268,8 @@ func (flow *handleRelayInvsFlow) receiveBlockWithTrustedData() (*appmessage.MsgB
 	}
 }
 
-func (flow *handleRelayInvsFlow) receivePruningPoints() (*appmessage.MsgPruningPoints, error) {
-	message, err := flow.dequeueIncomingMessageAndSkipInvs(common.DefaultTimeout)
+func (flow *handleIBDFlow) receivePruningPoints() (*appmessage.MsgPruningPoints, error) {
+	message, err := flow.incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
 	if err != nil {
 		return nil, err
 	}
@@ -253,7 +284,7 @@ func (flow *handleRelayInvsFlow) receivePruningPoints() (*appmessage.MsgPruningP
 	return msgPruningPoints, nil
 }
 
-func (flow *handleRelayInvsFlow) validateAndInsertPruningPoints(proofPruningPoint *externalapi.DomainHash) error {
+func (flow *handleIBDFlow) validateAndInsertPruningPoints(proofPruningPoint *externalapi.DomainHash) error {
 	currentPruningPoint, err := flow.Domain().Consensus().PruningPoint()
 	if err != nil {
 		return err
@@ -297,7 +328,7 @@ func (flow *handleRelayInvsFlow) validateAndInsertPruningPoints(proofPruningPoin
 	return nil
 }
 
-func (flow *handleRelayInvsFlow) syncPruningPointUTXOSet(consensus externalapi.Consensus,
+func (flow *handleIBDFlow) syncPruningPointUTXOSet(consensus externalapi.Consensus,
 	pruningPoint *externalapi.DomainHash) (bool, error) {
 
 	log.Infof("Checking if the suggested pruning point %s is compatible to the node DAG", pruningPoint)
@@ -325,7 +356,7 @@ func (flow *handleRelayInvsFlow) syncPruningPointUTXOSet(consensus externalapi.C
 	return true, nil
 }
 
-func (flow *handleRelayInvsFlow) fetchMissingUTXOSet(consensus externalapi.Consensus, pruningPointHash *externalapi.DomainHash) (succeed bool, err error) {
+func (flow *handleIBDFlow) fetchMissingUTXOSet(consensus externalapi.Consensus, pruningPointHash *externalapi.DomainHash) (succeed bool, err error) {
 	defer func() {
 		err := flow.Domain().StagingConsensus().ClearImportedPruningPointData()
 		if err != nil {
@@ -355,10 +386,5 @@ func (flow *handleRelayInvsFlow) fetchMissingUTXOSet(consensus externalapi.Conse
 		return false, protocolerrors.ConvertToBanningProtocolErrorIfRuleError(err, "error with pruning point UTXO set")
 	}
 
-	err = flow.OnPruningPointUTXOSetOverride()
-	if err != nil {
-		return false, err
-	}
-
 	return true, nil
 }

app/protocol/flows/v4/register.go

@@ -0,0 +1,194 @@
+package v4
+
+import (
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/app/protocol/common"
+	"github.com/kaspanet/kaspad/app/protocol/flowcontext"
+	"github.com/kaspanet/kaspad/app/protocol/flows/v4/addressexchange"
+	"github.com/kaspanet/kaspad/app/protocol/flows/v4/blockrelay"
+	"github.com/kaspanet/kaspad/app/protocol/flows/v4/ping"
+	"github.com/kaspanet/kaspad/app/protocol/flows/v4/rejects"
+	"github.com/kaspanet/kaspad/app/protocol/flows/v4/transactionrelay"
+	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
+	routerpkg "github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+)
+
+type protocolManager interface {
+	RegisterFlow(name string, router *routerpkg.Router, messageTypes []appmessage.MessageCommand, isStopping *uint32,
+		errChan chan error, initializeFunc common.FlowInitializeFunc) *common.Flow
+	RegisterOneTimeFlow(name string, router *routerpkg.Router, messageTypes []appmessage.MessageCommand,
+		isStopping *uint32, stopChan chan error, initializeFunc common.FlowInitializeFunc) *common.Flow
+	RegisterFlowWithCapacity(name string, capacity int, router *routerpkg.Router,
+		messageTypes []appmessage.MessageCommand, isStopping *uint32,
+		errChan chan error, initializeFunc common.FlowInitializeFunc) *common.Flow
+	Context() *flowcontext.FlowContext
+}
+
+// Register is used in order to register all the protocol flows to the given router.
+func Register(m protocolManager, router *routerpkg.Router, errChan chan error, isStopping *uint32) (flows []*common.Flow) {
+	flows = registerAddressFlows(m, router, isStopping, errChan)
+	flows = append(flows, registerBlockRelayFlows(m, router, isStopping, errChan)...)
+	flows = append(flows, registerPingFlows(m, router, isStopping, errChan)...)
+	flows = append(flows, registerTransactionRelayFlow(m, router, isStopping, errChan)...)
+	flows = append(flows, registerRejectsFlow(m, router, isStopping, errChan)...)
+
+	return flows
+}
+
+func registerAddressFlows(m protocolManager, router *routerpkg.Router, isStopping *uint32, errChan chan error) []*common.Flow {
+	outgoingRoute := router.OutgoingRoute()
+
+	return []*common.Flow{
+		m.RegisterFlow("SendAddresses", router, []appmessage.MessageCommand{appmessage.CmdRequestAddresses}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return addressexchange.SendAddresses(m.Context(), incomingRoute, outgoingRoute)
+			},
+		),
+
+		m.RegisterOneTimeFlow("ReceiveAddresses", router, []appmessage.MessageCommand{appmessage.CmdAddresses}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return addressexchange.ReceiveAddresses(m.Context(), incomingRoute, outgoingRoute, peer)
+			},
+		),
+	}
+}
+
+func registerBlockRelayFlows(m protocolManager, router *routerpkg.Router, isStopping *uint32, errChan chan error) []*common.Flow {
+	outgoingRoute := router.OutgoingRoute()
+
+	return []*common.Flow{
+		m.RegisterOneTimeFlow("SendVirtualSelectedParentInv", router, []appmessage.MessageCommand{},
+			isStopping, errChan, func(route *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.SendVirtualSelectedParentInv(m.Context(), outgoingRoute, peer)
+			}),
+
+		m.RegisterFlow("HandleRelayInvs", router, []appmessage.MessageCommand{
+			appmessage.CmdInvRelayBlock, appmessage.CmdBlock, appmessage.CmdBlockLocator,
+		},
+			isStopping, errChan, func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandleRelayInvs(m.Context(), incomingRoute,
+					outgoingRoute, peer)
+			},
+		),
+
+		m.RegisterFlow("HandleIBD", router, []appmessage.MessageCommand{
+			appmessage.CmdDoneHeaders, appmessage.CmdUnexpectedPruningPoint, appmessage.CmdPruningPointUTXOSetChunk,
+			appmessage.CmdBlockHeaders, appmessage.CmdIBDBlockLocatorHighestHash, appmessage.CmdBlockWithTrustedDataV4,
+			appmessage.CmdDoneBlocksWithTrustedData, appmessage.CmdIBDBlockLocatorHighestHashNotFound,
+			appmessage.CmdDonePruningPointUTXOSetChunks, appmessage.CmdIBDBlock, appmessage.CmdPruningPoints,
+			appmessage.CmdPruningPointProof,
+			appmessage.CmdTrustedData,
+		},
+			isStopping, errChan, func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandleIBD(m.Context(), incomingRoute,
+					outgoingRoute, peer)
+			},
+		),
+
+		m.RegisterFlow("HandleRelayBlockRequests", router, []appmessage.MessageCommand{appmessage.CmdRequestRelayBlocks}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandleRelayBlockRequests(m.Context(), incomingRoute, outgoingRoute, peer)
+			},
+		),
+
+		m.RegisterFlow("HandleRequestBlockLocator", router,
+			[]appmessage.MessageCommand{appmessage.CmdRequestBlockLocator}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandleRequestBlockLocator(m.Context(), incomingRoute, outgoingRoute)
+			},
+		),
+
+		m.RegisterFlow("HandleRequestHeaders", router,
+			[]appmessage.MessageCommand{appmessage.CmdRequestHeaders, appmessage.CmdRequestNextHeaders}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandleRequestHeaders(m.Context(), incomingRoute, outgoingRoute, peer)
+			},
+		),
+
+		m.RegisterFlow("HandleIBDBlockRequests", router,
+			[]appmessage.MessageCommand{appmessage.CmdRequestIBDBlocks}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandleIBDBlockRequests(m.Context(), incomingRoute, outgoingRoute)
+			},
+		),
+
+		m.RegisterFlow("HandleRequestPruningPointUTXOSet", router,
+			[]appmessage.MessageCommand{appmessage.CmdRequestPruningPointUTXOSet,
+				appmessage.CmdRequestNextPruningPointUTXOSetChunk}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandleRequestPruningPointUTXOSet(m.Context(), incomingRoute, outgoingRoute)
+			},
+		),
+
+		m.RegisterFlow("HandlePruningPointAndItsAnticoneRequests", router,
+			[]appmessage.MessageCommand{appmessage.CmdRequestPruningPointAndItsAnticone}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandlePruningPointAndItsAnticoneRequests(m.Context(), incomingRoute, outgoingRoute, peer)
+			},
+		),
+
+		m.RegisterFlow("HandleIBDBlockLocator", router,
+			[]appmessage.MessageCommand{appmessage.CmdIBDBlockLocator}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandleIBDBlockLocator(m.Context(), incomingRoute, outgoingRoute, peer)
+			},
+		),
+
+		m.RegisterFlow("HandlePruningPointProofRequests", router,
+			[]appmessage.MessageCommand{appmessage.CmdRequestPruningPointProof}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return blockrelay.HandlePruningPointProofRequests(m.Context(), incomingRoute, outgoingRoute, peer)
+			},
+		),
+	}
+}
+
+func registerPingFlows(m protocolManager, router *routerpkg.Router, isStopping *uint32, errChan chan error) []*common.Flow {
+	outgoingRoute := router.OutgoingRoute()
+
+	return []*common.Flow{
+		m.RegisterFlow("ReceivePings", router, []appmessage.MessageCommand{appmessage.CmdPing}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return ping.ReceivePings(m.Context(), incomingRoute, outgoingRoute)
+			},
+		),
+
+		m.RegisterFlow("SendPings", router, []appmessage.MessageCommand{appmessage.CmdPong}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return ping.SendPings(m.Context(), incomingRoute, outgoingRoute, peer)
+			},
+		),
+	}
+}
+
+func registerTransactionRelayFlow(m protocolManager, router *routerpkg.Router, isStopping *uint32, errChan chan error) []*common.Flow {
+	outgoingRoute := router.OutgoingRoute()
+
+	return []*common.Flow{
+		m.RegisterFlowWithCapacity("HandleRelayedTransactions", 10_000, router,
+			[]appmessage.MessageCommand{appmessage.CmdInvTransaction, appmessage.CmdTx, appmessage.CmdTransactionNotFound}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return transactionrelay.HandleRelayedTransactions(m.Context(), incomingRoute, outgoingRoute)
+			},
+		),
+		m.RegisterFlow("HandleRequestTransactions", router,
+			[]appmessage.MessageCommand{appmessage.CmdRequestTransactions}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return transactionrelay.HandleRequestedTransactions(m.Context(), incomingRoute, outgoingRoute)
+			},
+		),
+	}
+}
+
+func registerRejectsFlow(m protocolManager, router *routerpkg.Router, isStopping *uint32, errChan chan error) []*common.Flow {
+	outgoingRoute := router.OutgoingRoute()
+
+	return []*common.Flow{
+		m.RegisterFlow("HandleRejects", router,
+			[]appmessage.MessageCommand{appmessage.CmdReject}, isStopping, errChan,
+			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
+				return rejects.HandleRejects(m.Context(), incomingRoute, outgoingRoute)
+			},
+		),
+	}
+}

app/protocol/flows/v4/testing/receiveaddresses_test.go

@@ -1,11 +1,11 @@
 package testing
 
 import (
+	"github.com/kaspanet/kaspad/app/protocol/flows/v4/addressexchange"
 	"testing"
 	"time"
 
 	"github.com/kaspanet/kaspad/app/appmessage"
-	"github.com/kaspanet/kaspad/app/protocol/flows/addressexchange"
 	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
 	"github.com/kaspanet/kaspad/domain/consensus"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/testutils"

app/protocol/flows/v4/transactionrelay/handle_relayed_transactions.go

@@ -3,6 +3,7 @@ package transactionrelay
 import (
 	"github.com/kaspanet/kaspad/app/appmessage"
 	"github.com/kaspanet/kaspad/app/protocol/common"
+	"github.com/kaspanet/kaspad/app/protocol/flowcontext"
 	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
 	"github.com/kaspanet/kaspad/domain"
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
@@ -18,9 +19,10 @@ import (
 type TransactionsRelayContext interface {
 	NetAdapter() *netadapter.NetAdapter
 	Domain() domain.Domain
-	SharedRequestedTransactions() *SharedRequestedTransactions
+	SharedRequestedTransactions() *flowcontext.SharedRequestedTransactions
 	OnTransactionAddedToMempool()
 	EnqueueTransactionIDsForPropagation(transactionIDs []*externalapi.DomainTransactionID) error
+	IsIBDRunning() bool
 }
 
 type handleRelayedTransactionsFlow struct {
@@ -48,6 +50,10 @@ func (flow *handleRelayedTransactionsFlow) start() error {
 			return err
 		}
 
+		if flow.IsIBDRunning() {
+			continue
+		}
+
 		requestedIDs, err := flow.requestInvTransactions(inv)
 		if err != nil {
 			return err
@@ -68,7 +74,7 @@ func (flow *handleRelayedTransactionsFlow) requestInvTransactions(
 		if flow.isKnownTransaction(txID) {
 			continue
 		}
-		exists := flow.SharedRequestedTransactions().addIfNotExists(txID)
+		exists := flow.SharedRequestedTransactions().AddIfNotExists(txID)
 		if exists {
 			continue
 		}
@@ -82,7 +88,7 @@ func (flow *handleRelayedTransactionsFlow) requestInvTransactions(
 	msgGetTransactions := appmessage.NewMsgRequestTransactions(idsToRequest)
 	err = flow.outgoingRoute.Enqueue(msgGetTransactions)
 	if err != nil {
-		flow.SharedRequestedTransactions().removeMany(idsToRequest)
+		flow.SharedRequestedTransactions().RemoveMany(idsToRequest)
 		return nil, err
 	}
 	return idsToRequest, nil
@@ -151,7 +157,7 @@ func (flow *handleRelayedTransactionsFlow) readMsgTxOrNotFound() (
 func (flow *handleRelayedTransactionsFlow) receiveTransactions(requestedTransactions []*externalapi.DomainTransactionID) error {
 	// In case the function returns earlier than expected, we want to make sure sharedRequestedTransactions is
 	// clean from any pending transactions.
-	defer flow.SharedRequestedTransactions().removeMany(requestedTransactions)
+	defer flow.SharedRequestedTransactions().RemoveMany(requestedTransactions)
 	for _, expectedID := range requestedTransactions {
 		msgTx, msgTxNotFound, err := flow.readMsgTxOrNotFound()
 		if err != nil {

app/protocol/flows/v4/transactionrelay/handle_relayed_transactions_test.go

@@ -2,10 +2,11 @@ package transactionrelay_test
 
 import (
 	"errors"
+	"github.com/kaspanet/kaspad/app/protocol/flowcontext"
+	"github.com/kaspanet/kaspad/app/protocol/flows/v4/transactionrelay"
 	"strings"
 	"testing"
 
-	"github.com/kaspanet/kaspad/app/protocol/flows/transactionrelay"
 	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
 	"github.com/kaspanet/kaspad/domain"
 	"github.com/kaspanet/kaspad/domain/consensus"
@@ -24,7 +25,7 @@ import (
 type mocTransactionsRelayContext struct {
 	netAdapter                  *netadapter.NetAdapter
 	domain                      domain.Domain
-	sharedRequestedTransactions *transactionrelay.SharedRequestedTransactions
+	sharedRequestedTransactions *flowcontext.SharedRequestedTransactions
 }
 
 func (m *mocTransactionsRelayContext) NetAdapter() *netadapter.NetAdapter {
@@ -35,7 +36,7 @@ func (m *mocTransactionsRelayContext) Domain() domain.Domain {
 	return m.domain
 }
 
-func (m *mocTransactionsRelayContext) SharedRequestedTransactions() *transactionrelay.SharedRequestedTransactions {
+func (m *mocTransactionsRelayContext) SharedRequestedTransactions() *flowcontext.SharedRequestedTransactions {
 	return m.sharedRequestedTransactions
 }
 
@@ -46,6 +47,10 @@ func (m *mocTransactionsRelayContext) EnqueueTransactionIDsForPropagation(transa
 func (m *mocTransactionsRelayContext) OnTransactionAddedToMempool() {
 }
 
+func (m *mocTransactionsRelayContext) IsIBDRunning() bool {
+	return false
+}
+
 // TestHandleRelayedTransactionsNotFound tests the flow of  HandleRelayedTransactions when the peer doesn't
 // have the requested transactions in the mempool.
 func TestHandleRelayedTransactionsNotFound(t *testing.T) {
@@ -60,7 +65,7 @@ func TestHandleRelayedTransactionsNotFound(t *testing.T) {
 		}
 		defer teardown(false)
 
-		sharedRequestedTransactions := transactionrelay.NewSharedRequestedTransactions()
+		sharedRequestedTransactions := flowcontext.NewSharedRequestedTransactions()
 		adapter, err := netadapter.NewNetAdapter(config.DefaultConfig())
 		if err != nil {
 			t.Fatalf("Failed to create a NetAdapter: %v", err)
@@ -153,7 +158,7 @@ func TestOnClosedIncomingRoute(t *testing.T) {
 		}
 		defer teardown(false)
 
-		sharedRequestedTransactions := transactionrelay.NewSharedRequestedTransactions()
+		sharedRequestedTransactions := flowcontext.NewSharedRequestedTransactions()
 		adapter, err := netadapter.NewNetAdapter(config.DefaultConfig())
 		if err != nil {
 			t.Fatalf("Failed to creat a NetAdapter : %v", err)

app/protocol/flows/v4/transactionrelay/handle_requested_transactions_test.go

@@ -1,10 +1,11 @@
 package transactionrelay_test
 
 import (
+	"github.com/kaspanet/kaspad/app/protocol/flowcontext"
+	"github.com/kaspanet/kaspad/app/protocol/flows/v4/transactionrelay"
 	"testing"
 
 	"github.com/kaspanet/kaspad/app/appmessage"
-	"github.com/kaspanet/kaspad/app/protocol/flows/transactionrelay"
 	"github.com/kaspanet/kaspad/domain"
 	"github.com/kaspanet/kaspad/domain/consensus"
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
@@ -31,7 +32,7 @@ func TestHandleRequestedTransactionsNotFound(t *testing.T) {
 		}
 		defer teardown(false)
 
-		sharedRequestedTransactions := transactionrelay.NewSharedRequestedTransactions()
+		sharedRequestedTransactions := flowcontext.NewSharedRequestedTransactions()
 		adapter, err := netadapter.NewNetAdapter(config.DefaultConfig())
 		if err != nil {
 			t.Fatalf("Failed to create a NetAdapter: %v", err)

app/protocol/manager.go

@@ -2,6 +2,7 @@ package protocol
 
 import (
 	"fmt"
+	"github.com/kaspanet/kaspad/app/protocol/common"
 	"sync"
 	"sync/atomic"
 
@@ -71,11 +72,16 @@ func (m *Manager) AddBlock(block *externalapi.DomainBlock) error {
 	return m.context.AddBlock(block)
 }
 
-func (m *Manager) runFlows(flows []*flow, peer *peerpkg.Peer, errChan <-chan error, flowsWaitGroup *sync.WaitGroup) error {
+// Context returns the manager's flow context
+func (m *Manager) Context() *flowcontext.FlowContext {
+	return m.context
+}
+
+func (m *Manager) runFlows(flows []*common.Flow, peer *peerpkg.Peer, errChan <-chan error, flowsWaitGroup *sync.WaitGroup) error {
 	flowsWaitGroup.Add(len(flows))
 	for _, flow := range flows {
-		executeFunc := flow.executeFunc // extract to new variable so that it's not overwritten
-		spawn(fmt.Sprintf("flow-%s", flow.name), func() {
+		executeFunc := flow.ExecuteFunc // extract to new variable so that it's not overwritten
+		spawn(fmt.Sprintf("flow-%s", flow.Name), func() {
 			executeFunc(peer)
 			flowsWaitGroup.Done()
 		})
@@ -84,6 +90,11 @@ func (m *Manager) runFlows(flows []*flow, peer *peerpkg.Peer, errChan <-chan err
 	return <-errChan
 }
 
+// SetOnVirtualChange sets the onVirtualChangeHandler handler
+func (m *Manager) SetOnVirtualChange(onVirtualChangeHandler flowcontext.OnVirtualChangeHandler) {
+	m.context.SetOnVirtualChangeHandler(onVirtualChangeHandler)
+}
+
 // SetOnBlockAddedToDAGHandler sets the onBlockAddedToDAG handler
 func (m *Manager) SetOnBlockAddedToDAGHandler(onBlockAddedToDAGHandler flowcontext.OnBlockAddedToDAGHandler) {
 	m.context.SetOnBlockAddedToDAGHandler(onBlockAddedToDAGHandler)

app/protocol/peer/peer.go

@@ -13,10 +13,6 @@ import (
 	"github.com/kaspanet/kaspad/util/mstime"
 )
 
-// maxProtocolVersion version is the maximum supported protocol
-// version this kaspad node supports
-const maxProtocolVersion = 1
-
 // Peer holds data about a peer.
 type Peer struct {
 	connection *netadapter.NetConnection
@@ -35,6 +31,8 @@ type Peer struct {
 	lastPingNonce    uint64        // The nonce of the last ping we sent
 	lastPingTime     time.Time     // Time we sent last ping
 	lastPingDuration time.Duration // Time for last ping to return
+
+	ibdRequestChannel chan *externalapi.DomainBlock // A channel used to communicate IBD requests between flows
 }
 
 // New returns a new Peer
@@ -42,6 +40,7 @@ func New(connection *netadapter.NetConnection) *Peer {
 	return &Peer{
 		connection:        connection,
 		connectionStarted: time.Now(),
+		ibdRequestChannel: make(chan *externalapi.DomainBlock),
 	}
 }
 
@@ -76,6 +75,11 @@ func (p *Peer) AdvertisedProtocolVersion() uint32 {
 	return p.advertisedProtocolVerion
 }
 
+// ProtocolVersion returns the protocol version which is used when communicating with the peer.
+func (p *Peer) ProtocolVersion() uint32 {
+	return p.protocolVersion
+}
+
 // TimeConnected returns the time since the connection to this been has been started.
 func (p *Peer) TimeConnected() time.Duration {
 	return time.Since(p.connectionStarted)
@@ -87,7 +91,7 @@ func (p *Peer) IsOutbound() bool {
 }
 
 // UpdateFieldsFromMsgVersion updates the peer with the data from the version message.
-func (p *Peer) UpdateFieldsFromMsgVersion(msg *appmessage.MsgVersion) {
+func (p *Peer) UpdateFieldsFromMsgVersion(msg *appmessage.MsgVersion, maxProtocolVersion uint32) {
 	// Negotiate the protocol version.
 	p.advertisedProtocolVerion = msg.ProtocolVersion
 	p.protocolVersion = mathUtil.MinUint32(maxProtocolVersion, p.advertisedProtocolVerion)
@@ -142,3 +146,8 @@ func (p *Peer) LastPingDuration() time.Duration {
 
 	return p.lastPingDuration
 }
+
+// IBDRequestChannel returns the channel used in order to communicate an IBD request between peer flows
+func (p *Peer) IBDRequestChannel() chan *externalapi.DomainBlock {
+	return p.ibdRequestChannel
+}

app/protocol/protocol.go

@@ -1,16 +1,14 @@
 package protocol
 
 import (
+	"github.com/kaspanet/kaspad/app/protocol/common"
+	"github.com/kaspanet/kaspad/app/protocol/flows/ready"
+	v4 "github.com/kaspanet/kaspad/app/protocol/flows/v4"
 	"sync"
 	"sync/atomic"
 
 	"github.com/kaspanet/kaspad/app/appmessage"
-	"github.com/kaspanet/kaspad/app/protocol/flows/addressexchange"
-	"github.com/kaspanet/kaspad/app/protocol/flows/blockrelay"
 	"github.com/kaspanet/kaspad/app/protocol/flows/handshake"
-	"github.com/kaspanet/kaspad/app/protocol/flows/ping"
-	"github.com/kaspanet/kaspad/app/protocol/flows/rejects"
-	"github.com/kaspanet/kaspad/app/protocol/flows/transactionrelay"
 	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
 	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
 	"github.com/kaspanet/kaspad/infrastructure/network/addressmanager"
@@ -20,14 +18,6 @@ import (
 	"github.com/pkg/errors"
 )
 
-type flowInitializeFunc func(route *routerpkg.Route, peer *peerpkg.Peer) error
-type flowExecuteFunc func(peer *peerpkg.Peer)
-
-type flow struct {
-	name        string
-	executeFunc flowExecuteFunc
-}
-
 func (m *Manager) routerInitializer(router *routerpkg.Router, netConnection *netadapter.NetConnection) {
 	// isStopping flag is raised the moment that the connection associated with this router is disconnected
 	// errChan is used by the flow goroutines to return to runFlows when an error occurs.
@@ -35,8 +25,7 @@ func (m *Manager) routerInitializer(router *routerpkg.Router, netConnection *net
 	isStopping := uint32(0)
 	errChan := make(chan error)
 
-	flows := m.registerFlows(router, errChan, &isStopping)
-	receiveVersionRoute, sendVersionRoute := registerHandshakeRoutes(router)
+	receiveVersionRoute, sendVersionRoute, receiveReadyRoute := registerHandshakeRoutes(router)
 
 	// After flows were registered - spawn a new thread that will wait for connection to finish initializing
 	// and start receiving messages
@@ -84,6 +73,21 @@ func (m *Manager) routerInitializer(router *routerpkg.Router, netConnection *net
 		}
 		defer m.context.RemoveFromPeers(peer)
 
+		var flows []*common.Flow
+		log.Infof("Registering p2p flows for peer %s for protocol version %d", peer, peer.ProtocolVersion())
+		switch peer.ProtocolVersion() {
+		case 4:
+			flows = v4.Register(m, router, errChan, &isStopping)
+		default:
+			panic(errors.Errorf("no way to handle protocol version %d", peer.ProtocolVersion()))
+		}
+
+		err = ready.HandleReady(receiveReadyRoute, router.OutgoingRoute(), peer)
+		if err != nil {
+			m.handleError(err, netConnection, router.OutgoingRoute())
+			return
+		}
+
 		removeHandshakeRoutes(router)
 
 		flowsWaitGroup := &sync.WaitGroup{}
@@ -102,7 +106,7 @@ func (m *Manager) routerInitializer(router *routerpkg.Router, netConnection *net
 
 func (m *Manager) handleError(err error, netConnection *netadapter.NetConnection, outgoingRoute *routerpkg.Route) {
 	if protocolErr := (protocolerrors.ProtocolError{}); errors.As(err, &protocolErr) {
-		if !m.context.Config().DisableBanning && protocolErr.ShouldBan {
+		if m.context.Config().EnableBanning && protocolErr.ShouldBan {
 			log.Warnf("Banning %s (reason: %s)", netConnection, protocolErr.Cause)
 
 			err := m.context.ConnectionManager().Ban(netConnection)
@@ -130,167 +134,9 @@ func (m *Manager) handleError(err error, netConnection *netadapter.NetConnection
 	panic(err)
 }
 
-func (m *Manager) registerFlows(router *routerpkg.Router, errChan chan error, isStopping *uint32) (flows []*flow) {
-	flows = m.registerAddressFlows(router, isStopping, errChan)
-	flows = append(flows, m.registerBlockRelayFlows(router, isStopping, errChan)...)
-	flows = append(flows, m.registerPingFlows(router, isStopping, errChan)...)
-	flows = append(flows, m.registerTransactionRelayFlow(router, isStopping, errChan)...)
-	flows = append(flows, m.registerRejectsFlow(router, isStopping, errChan)...)
-
-	return flows
-}
-
-func (m *Manager) registerAddressFlows(router *routerpkg.Router, isStopping *uint32, errChan chan error) []*flow {
-	outgoingRoute := router.OutgoingRoute()
-
-	return []*flow{
-		m.registerFlow("SendAddresses", router, []appmessage.MessageCommand{appmessage.CmdRequestAddresses}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return addressexchange.SendAddresses(m.context, incomingRoute, outgoingRoute)
-			},
-		),
-
-		m.registerOneTimeFlow("ReceiveAddresses", router, []appmessage.MessageCommand{appmessage.CmdAddresses}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return addressexchange.ReceiveAddresses(m.context, incomingRoute, outgoingRoute, peer)
-			},
-		),
-	}
-}
-
-func (m *Manager) registerBlockRelayFlows(router *routerpkg.Router, isStopping *uint32, errChan chan error) []*flow {
-	outgoingRoute := router.OutgoingRoute()
-
-	return []*flow{
-		m.registerOneTimeFlow("SendVirtualSelectedParentInv", router, []appmessage.MessageCommand{},
-			isStopping, errChan, func(route *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.SendVirtualSelectedParentInv(m.context, outgoingRoute, peer)
-			}),
-
-		m.registerFlow("HandleRelayInvs", router, []appmessage.MessageCommand{
-			appmessage.CmdInvRelayBlock, appmessage.CmdBlock, appmessage.CmdBlockLocator,
-			appmessage.CmdDoneHeaders, appmessage.CmdUnexpectedPruningPoint, appmessage.CmdPruningPointUTXOSetChunk,
-			appmessage.CmdBlockHeaders, appmessage.CmdIBDBlockLocatorHighestHash, appmessage.CmdBlockWithTrustedData,
-			appmessage.CmdDoneBlocksWithTrustedData, appmessage.CmdIBDBlockLocatorHighestHashNotFound,
-			appmessage.CmdDonePruningPointUTXOSetChunks, appmessage.CmdIBDBlock, appmessage.CmdPruningPoints,
-			appmessage.CmdPruningPointProof,
-		},
-			isStopping, errChan, func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.HandleRelayInvs(m.context, incomingRoute,
-					outgoingRoute, peer)
-			},
-		),
-
-		m.registerFlow("HandleRelayBlockRequests", router, []appmessage.MessageCommand{appmessage.CmdRequestRelayBlocks}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.HandleRelayBlockRequests(m.context, incomingRoute, outgoingRoute, peer)
-			},
-		),
-
-		m.registerFlow("HandleRequestBlockLocator", router,
-			[]appmessage.MessageCommand{appmessage.CmdRequestBlockLocator}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.HandleRequestBlockLocator(m.context, incomingRoute, outgoingRoute)
-			},
-		),
-
-		m.registerFlow("HandleRequestHeaders", router,
-			[]appmessage.MessageCommand{appmessage.CmdRequestHeaders, appmessage.CmdRequestNextHeaders}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.HandleRequestHeaders(m.context, incomingRoute, outgoingRoute, peer)
-			},
-		),
-
-		m.registerFlow("HandleIBDBlockRequests", router,
-			[]appmessage.MessageCommand{appmessage.CmdRequestIBDBlocks}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.HandleIBDBlockRequests(m.context, incomingRoute, outgoingRoute)
-			},
-		),
-
-		m.registerFlow("HandleRequestPruningPointUTXOSet", router,
-			[]appmessage.MessageCommand{appmessage.CmdRequestPruningPointUTXOSet,
-				appmessage.CmdRequestNextPruningPointUTXOSetChunk}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.HandleRequestPruningPointUTXOSet(m.context, incomingRoute, outgoingRoute)
-			},
-		),
-
-		m.registerFlow("HandlePruningPointAndItsAnticoneRequests", router,
-			[]appmessage.MessageCommand{appmessage.CmdRequestPruningPointAndItsAnticone}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.HandlePruningPointAndItsAnticoneRequests(m.context, incomingRoute, outgoingRoute, peer)
-			},
-		),
-
-		m.registerFlow("HandleIBDBlockLocator", router,
-			[]appmessage.MessageCommand{appmessage.CmdIBDBlockLocator}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.HandleIBDBlockLocator(m.context, incomingRoute, outgoingRoute, peer)
-			},
-		),
-
-		m.registerFlow("HandlePruningPointProofRequests", router,
-			[]appmessage.MessageCommand{appmessage.CmdRequestPruningPointProof}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return blockrelay.HandlePruningPointProofRequests(m.context, incomingRoute, outgoingRoute, peer)
-			},
-		),
-	}
-}
-
-func (m *Manager) registerPingFlows(router *routerpkg.Router, isStopping *uint32, errChan chan error) []*flow {
-	outgoingRoute := router.OutgoingRoute()
-
-	return []*flow{
-		m.registerFlow("ReceivePings", router, []appmessage.MessageCommand{appmessage.CmdPing}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return ping.ReceivePings(m.context, incomingRoute, outgoingRoute)
-			},
-		),
-
-		m.registerFlow("SendPings", router, []appmessage.MessageCommand{appmessage.CmdPong}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return ping.SendPings(m.context, incomingRoute, outgoingRoute, peer)
-			},
-		),
-	}
-}
-
-func (m *Manager) registerTransactionRelayFlow(router *routerpkg.Router, isStopping *uint32, errChan chan error) []*flow {
-	outgoingRoute := router.OutgoingRoute()
-
-	return []*flow{
-		m.registerFlowWithCapacity("HandleRelayedTransactions", 10_000, router,
-			[]appmessage.MessageCommand{appmessage.CmdInvTransaction, appmessage.CmdTx, appmessage.CmdTransactionNotFound}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return transactionrelay.HandleRelayedTransactions(m.context, incomingRoute, outgoingRoute)
-			},
-		),
-		m.registerFlow("HandleRequestTransactions", router,
-			[]appmessage.MessageCommand{appmessage.CmdRequestTransactions}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return transactionrelay.HandleRequestedTransactions(m.context, incomingRoute, outgoingRoute)
-			},
-		),
-	}
-}
-
-func (m *Manager) registerRejectsFlow(router *routerpkg.Router, isStopping *uint32, errChan chan error) []*flow {
-	outgoingRoute := router.OutgoingRoute()
-
-	return []*flow{
-		m.registerFlow("HandleRejects", router,
-			[]appmessage.MessageCommand{appmessage.CmdReject}, isStopping, errChan,
-			func(incomingRoute *routerpkg.Route, peer *peerpkg.Peer) error {
-				return rejects.HandleRejects(m.context, incomingRoute, outgoingRoute)
-			},
-		),
-	}
-}
-
-func (m *Manager) registerFlow(name string, router *routerpkg.Router, messageTypes []appmessage.MessageCommand, isStopping *uint32,
-	errChan chan error, initializeFunc flowInitializeFunc) *flow {
+// RegisterFlow registers a flow to the given router.
+func (m *Manager) RegisterFlow(name string, router *routerpkg.Router, messageTypes []appmessage.MessageCommand, isStopping *uint32,
+	errChan chan error, initializeFunc common.FlowInitializeFunc) *common.Flow {
 
 	route, err := router.AddIncomingRoute(name, messageTypes)
 	if err != nil {
@@ -300,9 +146,10 @@ func (m *Manager) registerFlow(name string, router *routerpkg.Router, messageTyp
 	return m.registerFlowForRoute(route, name, isStopping, errChan, initializeFunc)
 }
 
-func (m *Manager) registerFlowWithCapacity(name string, capacity int, router *routerpkg.Router,
+// RegisterFlowWithCapacity registers a flow to the given router with a custom capacity.
+func (m *Manager) RegisterFlowWithCapacity(name string, capacity int, router *routerpkg.Router,
 	messageTypes []appmessage.MessageCommand, isStopping *uint32,
-	errChan chan error, initializeFunc flowInitializeFunc) *flow {
+	errChan chan error, initializeFunc common.FlowInitializeFunc) *common.Flow {
 
 	route, err := router.AddIncomingRouteWithCapacity(name, capacity, messageTypes)
 	if err != nil {
@@ -313,11 +160,11 @@ func (m *Manager) registerFlowWithCapacity(name string, capacity int, router *ro
 }
 
 func (m *Manager) registerFlowForRoute(route *routerpkg.Route, name string, isStopping *uint32,
-	errChan chan error, initializeFunc flowInitializeFunc) *flow {
+	errChan chan error, initializeFunc common.FlowInitializeFunc) *common.Flow {
 
-	return &flow{
-		name: name,
-		executeFunc: func(peer *peerpkg.Peer) {
+	return &common.Flow{
+		Name: name,
+		ExecuteFunc: func(peer *peerpkg.Peer) {
 			err := initializeFunc(route, peer)
 			if err != nil {
 				m.context.HandleError(err, name, isStopping, errChan)
@@ -327,17 +174,18 @@ func (m *Manager) registerFlowForRoute(route *routerpkg.Route, name string, isSt
 	}
 }
 
-func (m *Manager) registerOneTimeFlow(name string, router *routerpkg.Router, messageTypes []appmessage.MessageCommand,
-	isStopping *uint32, stopChan chan error, initializeFunc flowInitializeFunc) *flow {
+// RegisterOneTimeFlow registers a one-time flow (that exits once some operations are done) to the given router.
+func (m *Manager) RegisterOneTimeFlow(name string, router *routerpkg.Router, messageTypes []appmessage.MessageCommand,
+	isStopping *uint32, stopChan chan error, initializeFunc common.FlowInitializeFunc) *common.Flow {
 
 	route, err := router.AddIncomingRoute(name, messageTypes)
 	if err != nil {
 		panic(err)
 	}
 
-	return &flow{
-		name: name,
-		executeFunc: func(peer *peerpkg.Peer) {
+	return &common.Flow{
+		Name: name,
+		ExecuteFunc: func(peer *peerpkg.Peer) {
 			defer func() {
 				err := router.RemoveRoute(messageTypes)
 				if err != nil {
@@ -355,7 +203,7 @@ func (m *Manager) registerOneTimeFlow(name string, router *routerpkg.Router, mes
 }
 
 func registerHandshakeRoutes(router *routerpkg.Router) (
-	receiveVersionRoute *routerpkg.Route, sendVersionRoute *routerpkg.Route) {
+	receiveVersionRoute, sendVersionRoute, receiveReadyRoute *routerpkg.Route) {
 	receiveVersionRoute, err := router.AddIncomingRoute("recieveVersion - incoming", []appmessage.MessageCommand{appmessage.CmdVersion})
 	if err != nil {
 		panic(err)
@@ -366,11 +214,16 @@ func registerHandshakeRoutes(router *routerpkg.Router) (
 		panic(err)
 	}
 
-	return receiveVersionRoute, sendVersionRoute
+	receiveReadyRoute, err = router.AddIncomingRoute("recieveReady - incoming", []appmessage.MessageCommand{appmessage.CmdReady})
+	if err != nil {
+		panic(err)
+	}
+
+	return receiveVersionRoute, sendVersionRoute, receiveReadyRoute
 }
 
 func removeHandshakeRoutes(router *routerpkg.Router) {
-	err := router.RemoveRoute([]appmessage.MessageCommand{appmessage.CmdVersion, appmessage.CmdVerAck})
+	err := router.RemoveRoute([]appmessage.MessageCommand{appmessage.CmdVersion, appmessage.CmdVerAck, appmessage.CmdReady})
 	if err != nil {
 		panic(err)
 	}

app/rpc/manager.go

@@ -48,12 +48,31 @@ func NewManager(
 }
 
 // NotifyBlockAddedToDAG notifies the manager that a block has been added to the DAG
-func (m *Manager) NotifyBlockAddedToDAG(block *externalapi.DomainBlock, blockInsertionResult *externalapi.BlockInsertionResult) error {
+func (m *Manager) NotifyBlockAddedToDAG(block *externalapi.DomainBlock, virtualChangeSet *externalapi.VirtualChangeSet) error {
+	onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyBlockAddedToDAG")
+	defer onEnd()
+
+	err := m.NotifyVirtualChange(virtualChangeSet)
+	if err != nil {
+		return err
+	}
+
+	rpcBlock := appmessage.DomainBlockToRPCBlock(block)
+	err = m.context.PopulateBlockWithVerboseData(rpcBlock, block.Header, block, false)
+	if err != nil {
+		return err
+	}
+	blockAddedNotification := appmessage.NewBlockAddedNotificationMessage(rpcBlock)
+	return m.context.NotificationManager.NotifyBlockAdded(blockAddedNotification)
+}
+
+// NotifyVirtualChange notifies the manager that the virtual block has been changed.
+func (m *Manager) NotifyVirtualChange(virtualChangeSet *externalapi.VirtualChangeSet) error {
 	onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyBlockAddedToDAG")
 	defer onEnd()
 
 	if m.context.Config.UTXOIndex {
-		err := m.notifyUTXOsChanged(blockInsertionResult)
+		err := m.notifyUTXOsChanged(virtualChangeSet)
 		if err != nil {
 			return err
 		}
@@ -69,18 +88,12 @@ func (m *Manager) NotifyBlockAddedToDAG(block *externalapi.DomainBlock, blockIns
 		return err
 	}
 
-	err = m.notifyVirtualSelectedParentChainChanged(blockInsertionResult)
+	err = m.notifyVirtualSelectedParentChainChanged(virtualChangeSet)
 	if err != nil {
 		return err
 	}
 
-	rpcBlock := appmessage.DomainBlockToRPCBlock(block)
-	err = m.context.PopulateBlockWithVerboseData(rpcBlock, block.Header, block, false)
-	if err != nil {
-		return err
-	}
-	blockAddedNotification := appmessage.NewBlockAddedNotificationMessage(rpcBlock)
-	return m.context.NotificationManager.NotifyBlockAdded(blockAddedNotification)
+	return nil
 }
 
 // NotifyPruningPointUTXOSetOverride notifies the manager whenever the UTXO index
@@ -117,11 +130,11 @@ func (m *Manager) NotifyFinalityConflictResolved(finalityBlockHash string) error
 	return m.context.NotificationManager.NotifyFinalityConflictResolved(notification)
 }
 
-func (m *Manager) notifyUTXOsChanged(blockInsertionResult *externalapi.BlockInsertionResult) error {
+func (m *Manager) notifyUTXOsChanged(virtualChangeSet *externalapi.VirtualChangeSet) error {
 	onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyUTXOsChanged")
 	defer onEnd()
 
-	utxoIndexChanges, err := m.context.UTXOIndex.Update(blockInsertionResult)
+	utxoIndexChanges, err := m.context.UTXOIndex.Update(virtualChangeSet)
 	if err != nil {
 		return err
 	}
@@ -171,12 +184,12 @@ func (m *Manager) notifyVirtualDaaScoreChanged() error {
 	return m.context.NotificationManager.NotifyVirtualDaaScoreChanged(notification)
 }
 
-func (m *Manager) notifyVirtualSelectedParentChainChanged(blockInsertionResult *externalapi.BlockInsertionResult) error {
+func (m *Manager) notifyVirtualSelectedParentChainChanged(virtualChangeSet *externalapi.VirtualChangeSet) error {
 	onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyVirtualSelectedParentChainChanged")
 	defer onEnd()
 
 	notification, err := m.context.ConvertVirtualSelectedParentChainChangesToChainChangedNotificationMessage(
-		blockInsertionResult.VirtualSelectedParentChainChanges)
+		virtualChangeSet.VirtualSelectedParentChainChanges)
 	if err != nil {
 		return err
 	}

app/rpc/rpc.go

@@ -28,6 +28,7 @@ var handlers = map[appmessage.MessageCommand]handler{
 	appmessage.CmdGetVirtualSelectedParentChainFromBlockRequestMessage:      rpchandlers.HandleGetVirtualSelectedParentChainFromBlock,
 	appmessage.CmdGetBlocksRequestMessage:                                   rpchandlers.HandleGetBlocks,
 	appmessage.CmdGetBlockCountRequestMessage:                               rpchandlers.HandleGetBlockCount,
+	appmessage.CmdGetBalanceByAddressRequestMessage:                         rpchandlers.HandleGetBalanceByAddress,
 	appmessage.CmdGetBlockDAGInfoRequestMessage:                             rpchandlers.HandleGetBlockDAGInfo,
 	appmessage.CmdResolveFinalityConflictRequestMessage:                     rpchandlers.HandleResolveFinalityConflict,
 	appmessage.CmdNotifyFinalityConflictsRequestMessage:                     rpchandlers.HandleNotifyFinalityConflicts,
@@ -37,6 +38,7 @@ var handlers = map[appmessage.MessageCommand]handler{
 	appmessage.CmdNotifyUTXOsChangedRequestMessage:                          rpchandlers.HandleNotifyUTXOsChanged,
 	appmessage.CmdStopNotifyingUTXOsChangedRequestMessage:                   rpchandlers.HandleStopNotifyingUTXOsChanged,
 	appmessage.CmdGetUTXOsByAddressesRequestMessage:                         rpchandlers.HandleGetUTXOsByAddresses,
+	appmessage.CmdGetBalancesByAddressesRequestMessage:                      rpchandlers.HandleGetBalancesByAddresses,
 	appmessage.CmdGetVirtualSelectedParentBlueScoreRequestMessage:           rpchandlers.HandleGetVirtualSelectedParentBlueScore,
 	appmessage.CmdNotifyVirtualSelectedParentBlueScoreChangedRequestMessage: rpchandlers.HandleNotifyVirtualSelectedParentBlueScoreChanged,
 	appmessage.CmdBanRequestMessage:                                         rpchandlers.HandleBan,

app/rpc/rpccontext/verbosedata.go

@@ -56,21 +56,29 @@ func (ctx *Context) PopulateBlockWithVerboseData(block *appmessage.RPCBlock, dom
 			"invalid block")
 	}
 
-	_, selectedParentHash, childrenHashes, err := ctx.Domain.Consensus().GetBlockRelations(blockHash)
+	_, childrenHashes, err := ctx.Domain.Consensus().GetBlockRelations(blockHash)
+	if err != nil {
+		return err
+	}
+
+	isChainBlock, err := ctx.Domain.Consensus().IsChainBlock(blockHash)
 	if err != nil {
 		return err
 	}
 
 	block.VerboseData = &appmessage.RPCBlockVerboseData{
-		Hash:           blockHash.String(),
-		Difficulty:     ctx.GetDifficultyRatio(domainBlockHeader.Bits(), ctx.Config.ActiveNetParams),
-		ChildrenHashes: hashes.ToStrings(childrenHashes),
-		IsHeaderOnly:   blockInfo.BlockStatus == externalapi.StatusHeaderOnly,
-		BlueScore:      blockInfo.BlueScore,
+		Hash:                blockHash.String(),
+		Difficulty:          ctx.GetDifficultyRatio(domainBlockHeader.Bits(), ctx.Config.ActiveNetParams),
+		ChildrenHashes:      hashes.ToStrings(childrenHashes),
+		IsHeaderOnly:        blockInfo.BlockStatus == externalapi.StatusHeaderOnly,
+		BlueScore:           blockInfo.BlueScore,
+		MergeSetBluesHashes: hashes.ToStrings(blockInfo.MergeSetBlues),
+		MergeSetRedsHashes:  hashes.ToStrings(blockInfo.MergeSetReds),
+		IsChainBlock:        isChainBlock,
 	}
 	// selectedParentHash will be nil in the genesis block
-	if selectedParentHash != nil {
-		block.VerboseData.SelectedParentHash = selectedParentHash.String()
+	if blockInfo.SelectedParent != nil {
+		block.VerboseData.SelectedParentHash = blockInfo.SelectedParent.String()
 	}
 
 	if blockInfo.BlockStatus == externalapi.StatusHeaderOnly {

app/rpc/rpchandlers/get_balance_by_address.go

@@ -0,0 +1,57 @@
+package rpchandlers
+
+import (
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/app/rpc/rpccontext"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/txscript"
+	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+	"github.com/kaspanet/kaspad/util"
+	"github.com/pkg/errors"
+)
+
+// HandleGetBalanceByAddress handles the respectively named RPC command
+func HandleGetBalanceByAddress(context *rpccontext.Context, _ *router.Router, request appmessage.Message) (appmessage.Message, error) {
+	if !context.Config.UTXOIndex {
+		errorMessage := &appmessage.GetUTXOsByAddressesResponseMessage{}
+		errorMessage.Error = appmessage.RPCErrorf("Method unavailable when kaspad is run without --utxoindex")
+		return errorMessage, nil
+	}
+
+	getBalanceByAddressRequest := request.(*appmessage.GetBalanceByAddressRequestMessage)
+
+	balance, err := getBalanceByAddress(context, getBalanceByAddressRequest.Address)
+	if err != nil {
+		rpcError := &appmessage.RPCError{}
+		if !errors.As(err, rpcError) {
+			return nil, err
+		}
+		errorMessage := &appmessage.GetUTXOsByAddressesResponseMessage{}
+		errorMessage.Error = rpcError
+		return errorMessage, nil
+	}
+
+	response := appmessage.NewGetBalanceByAddressResponse(balance)
+	return response, nil
+}
+
+func getBalanceByAddress(context *rpccontext.Context, addressString string) (uint64, error) {
+	address, err := util.DecodeAddress(addressString, context.Config.ActiveNetParams.Prefix)
+	if err != nil {
+		return 0, appmessage.RPCErrorf("Couldn't decode address '%s': %s", addressString, err)
+	}
+
+	scriptPublicKey, err := txscript.PayToAddrScript(address)
+	if err != nil {
+		return 0, appmessage.RPCErrorf("Could not create a scriptPublicKey for address '%s': %s", addressString, err)
+	}
+	utxoOutpointEntryPairs, err := context.UTXOIndex.UTXOs(scriptPublicKey)
+	if err != nil {
+		return 0, err
+	}
+
+	balance := uint64(0)
+	for _, utxoOutpointEntryPair := range utxoOutpointEntryPairs {
+		balance += utxoOutpointEntryPair.Amount()
+	}
+	return balance, nil
+}

app/rpc/rpchandlers/get_balances_by_addresses.go

@@ -0,0 +1,41 @@
+package rpchandlers
+
+import (
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/app/rpc/rpccontext"
+	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+	"github.com/pkg/errors"
+)
+
+// HandleGetBalancesByAddresses handles the respectively named RPC command
+func HandleGetBalancesByAddresses(context *rpccontext.Context, _ *router.Router, request appmessage.Message) (appmessage.Message, error) {
+	if !context.Config.UTXOIndex {
+		errorMessage := &appmessage.GetBalancesByAddressesResponseMessage{}
+		errorMessage.Error = appmessage.RPCErrorf("Method unavailable when kaspad is run without --utxoindex")
+		return errorMessage, nil
+	}
+
+	getBalancesByAddressesRequest := request.(*appmessage.GetBalancesByAddressesRequestMessage)
+
+	allEntries := make([]*appmessage.BalancesByAddressesEntry, len(getBalancesByAddressesRequest.Addresses))
+	for i, address := range getBalancesByAddressesRequest.Addresses {
+		balance, err := getBalanceByAddress(context, address)
+
+		if err != nil {
+			rpcError := &appmessage.RPCError{}
+			if !errors.As(err, rpcError) {
+				return nil, err
+			}
+			errorMessage := &appmessage.GetUTXOsByAddressesResponseMessage{}
+			errorMessage.Error = rpcError
+			return errorMessage, nil
+		}
+		allEntries[i] = &appmessage.BalancesByAddressesEntry{
+			Address: address,
+			Balance: balance,
+		}
+	}
+
+	response := appmessage.NewGetBalancesByAddressesResponse(allEntries)
+	return response, nil
+}

app/rpc/rpchandlers/submit_block.go

@@ -14,9 +14,14 @@ import (
 func HandleSubmitBlock(context *rpccontext.Context, _ *router.Router, request appmessage.Message) (appmessage.Message, error) {
 	submitBlockRequest := request.(*appmessage.SubmitBlockRequestMessage)
 
-	if context.ProtocolManager.IsIBDRunning() {
+	isSynced, err := context.ProtocolManager.ShouldMine()
+	if err != nil {
+		return nil, err
+	}
+
+	if !context.Config.AllowSubmitBlockWhenNotSynced && !isSynced {
 		return &appmessage.SubmitBlockResponseMessage{
-			Error:        appmessage.RPCErrorf("Block not submitted - IBD is running"),
+			Error:        appmessage.RPCErrorf("Block not submitted - node is not synced"),
 			RejectReason: appmessage.RejectReasonIsInIBD,
 		}, nil
 	}
@@ -29,6 +34,23 @@ func HandleSubmitBlock(context *rpccontext.Context, _ *router.Router, request ap
 		}, nil
 	}
 
+	if !submitBlockRequest.AllowNonDAABlocks {
+		virtualDAAScore, err := context.Domain.Consensus().GetVirtualDAAScore()
+		if err != nil {
+			return nil, err
+		}
+		// A simple heuristic check which signals that the mined block is out of date
+		// and should not be accepted unless user explicitly requests
+		daaWindowSize := uint64(context.Config.NetParams().DifficultyAdjustmentWindowSize)
+		if virtualDAAScore > daaWindowSize && domainBlock.Header.DAAScore() < virtualDAAScore-daaWindowSize {
+			return &appmessage.SubmitBlockResponseMessage{
+				Error: appmessage.RPCErrorf("Block rejected. Reason: block DAA score %d is too far "+
+					"behind virtual's DAA score %d", domainBlock.Header.DAAScore(), virtualDAAScore),
+				RejectReason: appmessage.RejectReasonBlockInvalid,
+			}, nil
+		}
+	}
+
 	err = context.ProtocolManager.AddBlock(domainBlock)
 	if err != nil {
 		isProtocolOrRuleError := errors.As(err, &ruleerrors.RuleError{}) || errors.As(err, &protocolerrors.ProtocolError{})

build_and_test.sh

@@ -15,8 +15,6 @@ golint -set_exit_status ./...
 
 staticcheck -checks SA4006,SA4008,SA4009,SA4010,SA5003,SA1004,SA1014,SA1021,SA1023,SA1024,SA1025,SA1026,SA1027,SA1028,SA2000,SA2001,SA2003,SA4000,SA4001,SA4003,SA4004,SA4011,SA4012,SA4013,SA4014,SA4015,SA4016,SA4017,SA4018,SA4019,SA4020,SA4021,SA4022,SA4023,SA5000,SA5002,SA5004,SA5005,SA5007,SA5008,SA5009,SA5010,SA5011,SA5012,SA6001,SA6002,SA9001,SA9002,SA9003,SA9004,SA9005,SA9006,ST1019 ./...
 
-go vet -composites=false $FLAGS ./...
-
 go build $FLAGS -o kaspad .
 
 if [ -n "${NO_PARALLEL}" ]

changelog.txt

@@ -1,3 +1,57 @@
+Kaspad v0.11.11 - 2022-01-27
+===========================
+* Fix for rare consensus bug regarding DAA window order. The bug only affected IBD from scratch and only today (#1934)
+
+Kaspad v0.11.10 - 2022-01-27
+===========================
+* Add monitoring of heap and save heap profile if size is over some limit (#1932)
+* Extract IBD management from invs relay flow to a new separated flow  (#1930)
+* Add --transaction-file options to the `sign` and `broadcast` wallet subcommands (#1927)
+* Filter redundant blocks from daa window on IBD (#1925)
+* Implement a P2P upgrade mechanism (#1921)
+
+Kaspad v0.11.9 - 2021-12-30
+===========================
+Breaking changes:
+* Implement the new monetary policy. Breaking change effective only in ~4 months (#1892)
+
+Bug fixes:
+* Fix two pruning proof IBD crash bugs (#1913)
+* Fix UTXO index bug showing wrong wallet balance (#1891)
+
+Non-breaking changes:
+* Address search: cleanup repetitively-offline addresses and use randomization weighted by connection failures  (#1899, #1916)
+* New DNS seeders and removal of offline one (#1901, #1910, #1918)
+* Add request balance by address to kaspactl (#1885)
+* Wallet: show balance by addresses (#1904)
+* Reject outdated non-DAA blocks submitted via RPC  (#1914)
+* Add a profile option to kaspawallet daemon (#1854)
+
+Kaspad v0.11.8 - 2021-12-13
+===========================
+Bug fixes:
+* Update reindex root for each block level (#1881)
+
+Non-breaking changes:
+* Update readme (#1848)
+* Lower devnet's initial difficulty (#1869)
+
+Kaspad v0.11.7 - 2021-12-11
+===========================
+Breaking changes:
+* kaspawallet: show-address →new-address + show-addresses (#1870)
+
+Bug fixes:
+* Fix numThreads using getAEAD instead of decryptMnemonic (#1859)
+* Apply ResolveVirtual diffs to the UTXO index (#1868)
+
+Non-breaking changes:
+* Ignore header mass in devnet and testnet (#1879)
+* Remove unused args from CalcSubsidy (#1877)
+* ExpectedHeaderPruningPoint fix (#1876)
+* Changes to libkaspawallet to support Kaspaper (#1878)
+* Get rid of genesis's UTXO dump (#1867)
+
 Kaspad v0.11.2 - 2021-11-11
 ===========================
 Bug fixes:

cmd/kaspactl/command_parser.go

@@ -3,6 +3,7 @@ package main
 import (
 	"reflect"
 	"strconv"
+	"strings"
 
 	"google.golang.org/protobuf/encoding/protojson"
 	"google.golang.org/protobuf/proto"
@@ -149,12 +150,24 @@ func stringToValue(parameterDesc *parameterDescription, valueStr string) (reflec
 
 		value = pointer.Interface()
 
+	case reflect.Slice:
+		sliceType := parameterDesc.typeof.Elem()
+		if sliceType.Kind() != reflect.String {
+			return reflect.Value{},
+				errors.Errorf("Unsupported slice type '%s' for parameter '%s'",
+					sliceType,
+					parameterDesc.name)
+		}
+		if valueStr == "" {
+			value = []string{}
+		} else {
+			value = strings.Split(valueStr, ",")
+		}
 	// Int and uint are not supported because their size is platform-dependant
 	case reflect.Int,
 		reflect.Uint,
 		// Other types are not supported simply because they are not used in any command right now
 		// but support can be added if and when needed
-		reflect.Slice,
 		reflect.Func,
 		reflect.Interface,
 		reflect.Map,

cmd/kaspactl/commands.go

@@ -34,6 +34,7 @@ var commandTypes = []reflect.Type{
 	reflect.TypeOf(protowire.KaspadMessage_SubmitTransactionRequest{}),
 
 	reflect.TypeOf(protowire.KaspadMessage_GetUtxosByAddressesRequest{}),
+	reflect.TypeOf(protowire.KaspadMessage_GetBalanceByAddressRequest{}),
 
 	reflect.TypeOf(protowire.KaspadMessage_BanRequest{}),
 	reflect.TypeOf(protowire.KaspadMessage_UnbanRequest{}),

cmd/kaspactl/config.go

@@ -12,11 +12,12 @@ var (
 )
 
 type configFlags struct {
-	RPCServer            string `short:"s" long:"rpcserver" description:"RPC server to connect to"`
-	Timeout              uint64 `short:"t" long:"timeout" description:"Timeout for the request (in seconds)"`
-	RequestJSON          string `short:"j" long:"json" description:"The request in JSON format"`
-	ListCommands         bool   `short:"l" long:"list-commands" description:"List all commands and exit"`
-	CommandAndParameters []string
+	RPCServer                          string `short:"s" long:"rpcserver" description:"RPC server to connect to"`
+	Timeout                            uint64 `short:"t" long:"timeout" description:"Timeout for the request (in seconds)"`
+	RequestJSON                        string `short:"j" long:"json" description:"The request in JSON format"`
+	ListCommands                       bool   `short:"l" long:"list-commands" description:"List all commands and exit"`
+	AllowConnectionToDifferentVersions bool   `short:"a" long:"allow-connection-to-different-versions" description:"Allow connections to versions different than kaspactl's version'"`
+	CommandAndParameters               []string
 	config.NetworkFlags
 }
 

cmd/kaspactl/main.go

@@ -34,16 +34,18 @@ func main() {
 	}
 	defer client.Disconnect()
 
-	kaspadMessage, err := client.Post(&protowire.KaspadMessage{Payload: &protowire.KaspadMessage_GetInfoRequest{GetInfoRequest: &protowire.GetInfoRequestMessage{}}})
-	if err != nil {
-		printErrorAndExit(fmt.Sprintf("Cannot post GetInfo message: %s", err))
-	}
+	if !cfg.AllowConnectionToDifferentVersions {
+		kaspadMessage, err := client.Post(&protowire.KaspadMessage{Payload: &protowire.KaspadMessage_GetInfoRequest{GetInfoRequest: &protowire.GetInfoRequestMessage{}}})
+		if err != nil {
+			printErrorAndExit(fmt.Sprintf("Cannot post GetInfo message: %s", err))
+		}
 
-	localVersion := version.Version()
-	remoteVersion := kaspadMessage.GetGetInfoResponse().ServerVersion
+		localVersion := version.Version()
+		remoteVersion := kaspadMessage.GetGetInfoResponse().ServerVersion
 
-	if localVersion != remoteVersion {
-		printErrorAndExit(fmt.Sprintf("Server version mismatch, expect: %s, got: %s", localVersion, remoteVersion))
+		if localVersion != remoteVersion {
+			printErrorAndExit(fmt.Sprintf("Server version mismatch, expect: %s, got: %s", localVersion, remoteVersion))
+		}
 	}
 
 	responseChan := make(chan string)

cmd/kaspawallet/balance.go

@@ -8,6 +8,14 @@ import (
 	"github.com/kaspanet/kaspad/domain/consensus/utils/constants"
 )
 
+func formatKas(amount uint64) string {
+	res := "                   "
+	if amount > 0 {
+		res = fmt.Sprintf("%19.8f", float64(amount)/constants.SompiPerKaspa)
+	}
+	return res
+}
+
 func balance(conf *balanceConfig) error {
 	daemonClient, tearDown, err := client.Connect(conf.DaemonAddress)
 	if err != nil {
@@ -22,10 +30,21 @@ func balance(conf *balanceConfig) error {
 		return err
 	}
 
-	fmt.Printf("Balance:\t\tKAS %f\n", float64(response.Available)/constants.SompiPerKaspa)
+	pendingSuffix := ""
 	if response.Pending > 0 {
-		fmt.Printf("Pending balance:\tKAS %f\n", float64(response.Pending)/constants.SompiPerKaspa)
+		pendingSuffix = " (pending)"
 	}
+	if conf.Verbose {
+		pendingSuffix = ""
+		println("Address                                                                       Available             Pending")
+		println("-----------------------------------------------------------------------------------------------------------")
+		for _, addressBalance := range response.AddressBalances {
+			fmt.Printf("%s %s %s\n", addressBalance.Address, formatKas(addressBalance.Available), formatKas(addressBalance.Pending))
+		}
+		println("-----------------------------------------------------------------------------------------------------------")
+		print("                                                 ")
+	}
+	fmt.Printf("Total balance, KAS %s %s%s\n", formatKas(response.Available), formatKas(response.Pending), pendingSuffix)
 
 	return nil
 }

cmd/kaspawallet/broadcast.go

@@ -6,6 +6,9 @@ import (
 	"fmt"
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/client"
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/pb"
+	"github.com/pkg/errors"
+	"io/ioutil"
+	"strings"
 )
 
 func broadcast(conf *broadcastConfig) error {
@@ -18,7 +21,23 @@ func broadcast(conf *broadcastConfig) error {
 	ctx, cancel := context.WithTimeout(context.Background(), daemonTimeout)
 	defer cancel()
 
-	transaction, err := hex.DecodeString(conf.Transaction)
+	if conf.Transaction == "" && conf.TransactionFile == "" {
+		return errors.Errorf("Either --transaction or --transaction-file is required")
+	}
+	if conf.Transaction != "" && conf.TransactionFile != "" {
+		return errors.Errorf("Both --transaction and --transaction-file cannot be passed at the same time")
+	}
+
+	transactionHex := conf.Transaction
+	if conf.TransactionFile != "" {
+		transactionHexBytes, err := ioutil.ReadFile(conf.TransactionFile)
+		if err != nil {
+			return errors.Wrapf(err, "Could not read hex from %s", conf.TransactionFile)
+		}
+		transactionHex = strings.TrimSpace(string(transactionHexBytes))
+	}
+
+	transaction, err := hex.DecodeString(transactionHex)
 	if err != nil {
 		return err
 	}

cmd/kaspawallet/config.go

@@ -15,7 +15,9 @@ const (
 	createUnsignedTransactionSubCmd = "create-unsigned-transaction"
 	signSubCmd                      = "sign"
 	broadcastSubCmd                 = "broadcast"
-	showAddressSubCmd               = "show-address"
+	parseSubCmd                     = "parse"
+	showAddressesSubCmd             = "show-addresses"
+	newAddressSubCmd                = "new-address"
 	dumpUnencryptedDataSubCmd       = "dump-unencrypted-data"
 	startDaemonSubCmd               = "start-daemon"
 )
@@ -43,6 +45,7 @@ type createConfig struct {
 
 type balanceConfig struct {
 	DaemonAddress string `long:"daemonaddress" short:"d" description:"Wallet daemon server to connect to (default: localhost:8082)"`
+	Verbose       bool   `long:"verbose" short:"v" description:"Verbose: show addresses with balance"`
 	config.NetworkFlags
 }
 
@@ -63,19 +66,33 @@ type createUnsignedTransactionConfig struct {
 }
 
 type signConfig struct {
-	KeysFile    string `long:"keys-file" short:"f" description:"Keys file location (default: ~/.kaspawallet/keys.json (*nix), %USERPROFILE%\\AppData\\Local\\Kaspawallet\\key.json (Windows))"`
-	Password    string `long:"password" short:"p" description:"Wallet password"`
-	Transaction string `long:"transaction" short:"t" description:"The unsigned transaction to sign on (encoded in hex)" required:"true"`
+	KeysFile        string `long:"keys-file" short:"f" description:"Keys file location (default: ~/.kaspawallet/keys.json (*nix), %USERPROFILE%\\AppData\\Local\\Kaspawallet\\key.json (Windows))"`
+	Password        string `long:"password" short:"p" description:"Wallet password"`
+	Transaction     string `long:"transaction" short:"t" description:"The unsigned transaction to sign on (encoded in hex)"`
+	TransactionFile string `long:"transaction-file" short:"F" description:"The file containing the unsigned transaction to sign on (encoded in hex)"`
 	config.NetworkFlags
 }
 
 type broadcastConfig struct {
-	DaemonAddress string `long:"daemonaddress" short:"d" description:"Wallet daemon server to connect to (default: localhost:8082)"`
-	Transaction   string `long:"transaction" short:"t" description:"The signed transaction to broadcast (encoded in hex)" required:"true"`
+	DaemonAddress   string `long:"daemonaddress" short:"d" description:"Wallet daemon server to connect to (default: localhost:8082)"`
+	Transaction     string `long:"transaction" short:"t" description:"The signed transaction to broadcast (encoded in hex)"`
+	TransactionFile string `long:"transaction-file" short:"F" description:"The file containing the unsigned transaction to sign on (encoded in hex)"`
 	config.NetworkFlags
 }
 
-type showAddressConfig struct {
+type parseConfig struct {
+	Transaction     string `long:"transaction" short:"t" description:"The transaction to parse (encoded in hex)"`
+	TransactionFile string `long:"transaction-file" short:"F" description:"The file containing the transaction to parse (encoded in hex)"`
+	Verbose         bool   `long:"verbose" short:"v" description:"Verbose: show transaction inputs"`
+	config.NetworkFlags
+}
+
+type showAddressesConfig struct {
+	DaemonAddress string `long:"daemonaddress" short:"d" description:"Wallet daemon server to connect to (default: localhost:8082)"`
+	config.NetworkFlags
+}
+
+type newAddressConfig struct {
 	DaemonAddress string `long:"daemonaddress" short:"d" description:"Wallet daemon server to connect to (default: localhost:8082)"`
 	config.NetworkFlags
 }
@@ -85,6 +102,7 @@ type startDaemonConfig struct {
 	Password  string `long:"password" short:"p" description:"Wallet password"`
 	RPCServer string `long:"rpcserver" short:"s" description:"RPC server to connect to"`
 	Listen    string `short:"l" long:"listen" description:"Address to listen on (default: 0.0.0.0:8082)"`
+	Profile   string `long:"profile" description:"Enable HTTP profiling on given port -- NOTE port must be between 1024 and 65536"`
 	config.NetworkFlags
 }
 
@@ -123,9 +141,17 @@ func parseCommandLine() (subCommand string, config interface{}) {
 	parser.AddCommand(broadcastSubCmd, "Broadcast the given transaction",
 		"Broadcast the given transaction", broadcastConf)
 
-	showAddressConf := &showAddressConfig{DaemonAddress: defaultListen}
-	parser.AddCommand(showAddressSubCmd, "Shows the public address of the current wallet",
-		"Shows the public address of the current wallet", showAddressConf)
+	parseConf := &parseConfig{}
+	parser.AddCommand(parseSubCmd, "Parse the given transaction and print its contents",
+		"Parse the given transaction and print its contents", parseConf)
+
+	showAddressesConf := &showAddressesConfig{DaemonAddress: defaultListen}
+	parser.AddCommand(showAddressesSubCmd, "Shows all generated public addresses of the current wallet",
+		"Shows all generated public addresses of the current wallet", showAddressesConf)
+
+	newAddressConf := &newAddressConfig{DaemonAddress: defaultListen}
+	parser.AddCommand(newAddressSubCmd, "Generates new public address of the current wallet and shows it",
+		"Generates new public address of the current wallet and shows it", newAddressConf)
 
 	dumpUnencryptedDataConf := &dumpUnencryptedDataConfig{}
 	parser.AddCommand(dumpUnencryptedDataSubCmd, "Prints the unencrypted wallet data",
@@ -193,13 +219,27 @@ func parseCommandLine() (subCommand string, config interface{}) {
 			printErrorAndExit(err)
 		}
 		config = broadcastConf
-	case showAddressSubCmd:
-		combineNetworkFlags(&showAddressConf.NetworkFlags, &cfg.NetworkFlags)
-		err := showAddressConf.ResolveNetwork(parser)
+	case parseSubCmd:
+		combineNetworkFlags(&parseConf.NetworkFlags, &cfg.NetworkFlags)
+		err := parseConf.ResolveNetwork(parser)
 		if err != nil {
 			printErrorAndExit(err)
 		}
-		config = showAddressConf
+		config = parseConf
+	case showAddressesSubCmd:
+		combineNetworkFlags(&showAddressesConf.NetworkFlags, &cfg.NetworkFlags)
+		err := showAddressesConf.ResolveNetwork(parser)
+		if err != nil {
+			printErrorAndExit(err)
+		}
+		config = showAddressesConf
+	case newAddressSubCmd:
+		combineNetworkFlags(&newAddressConf.NetworkFlags, &cfg.NetworkFlags)
+		err := newAddressConf.ResolveNetwork(parser)
+		if err != nil {
+			printErrorAndExit(err)
+		}
+		config = newAddressConf
 	case dumpUnencryptedDataSubCmd:
 		combineNetworkFlags(&dumpUnencryptedDataConf.NetworkFlags, &cfg.NetworkFlags)
 		err := dumpUnencryptedDataConf.ResolveNetwork(parser)

cmd/kaspawallet/create.go

@@ -56,6 +56,7 @@ func create(conf *createConfig) error {
 	}
 
 	file := keys.File{
+		Version:            keys.LastVersion,
 		EncryptedMnemonics: encryptedMnemonics,
 		ExtendedPublicKeys: extendedPublicKeys,
 		MinimumSignatures:  conf.MinimumSignatures,

cmd/kaspawallet/daemon/pb/kaspawalletd.pb.go

@@ -1,13 +1,12 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
+// 	protoc-gen-go v1.27.1
 // 	protoc        v3.12.3
 // source: kaspawalletd.proto
 
 package pb
 
 import (
-	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -21,10 +20,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 type GetBalanceRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -68,8 +63,9 @@ type GetBalanceResponse struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Available uint64 `protobuf:"varint,1,opt,name=available,proto3" json:"available,omitempty"`
-	Pending   uint64 `protobuf:"varint,2,opt,name=pending,proto3" json:"pending,omitempty"`
+	Available       uint64             `protobuf:"varint,1,opt,name=available,proto3" json:"available,omitempty"`
+	Pending         uint64             `protobuf:"varint,2,opt,name=pending,proto3" json:"pending,omitempty"`
+	AddressBalances []*AddressBalances `protobuf:"bytes,3,rep,name=addressBalances,proto3" json:"addressBalances,omitempty"`
 }
 
 func (x *GetBalanceResponse) Reset() {
@@ -118,6 +114,76 @@ func (x *GetBalanceResponse) GetPending() uint64 {
 	return 0
 }
 
+func (x *GetBalanceResponse) GetAddressBalances() []*AddressBalances {
+	if x != nil {
+		return x.AddressBalances
+	}
+	return nil
+}
+
+type AddressBalances struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Address   string `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
+	Available uint64 `protobuf:"varint,2,opt,name=available,proto3" json:"available,omitempty"`
+	Pending   uint64 `protobuf:"varint,3,opt,name=pending,proto3" json:"pending,omitempty"`
+}
+
+func (x *AddressBalances) Reset() {
+	*x = AddressBalances{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_kaspawalletd_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AddressBalances) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AddressBalances) ProtoMessage() {}
+
+func (x *AddressBalances) ProtoReflect() protoreflect.Message {
+	mi := &file_kaspawalletd_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AddressBalances.ProtoReflect.Descriptor instead.
+func (*AddressBalances) Descriptor() ([]byte, []int) {
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *AddressBalances) GetAddress() string {
+	if x != nil {
+		return x.Address
+	}
+	return ""
+}
+
+func (x *AddressBalances) GetAvailable() uint64 {
+	if x != nil {
+		return x.Available
+	}
+	return 0
+}
+
+func (x *AddressBalances) GetPending() uint64 {
+	if x != nil {
+		return x.Pending
+	}
+	return 0
+}
+
 type CreateUnsignedTransactionRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -130,7 +196,7 @@ type CreateUnsignedTransactionRequest struct {
 func (x *CreateUnsignedTransactionRequest) Reset() {
 	*x = CreateUnsignedTransactionRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_kaspawalletd_proto_msgTypes[2]
+		mi := &file_kaspawalletd_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -143,7 +209,7 @@ func (x *CreateUnsignedTransactionRequest) String() string {
 func (*CreateUnsignedTransactionRequest) ProtoMessage() {}
 
 func (x *CreateUnsignedTransactionRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_kaspawalletd_proto_msgTypes[2]
+	mi := &file_kaspawalletd_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -156,7 +222,7 @@ func (x *CreateUnsignedTransactionRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CreateUnsignedTransactionRequest.ProtoReflect.Descriptor instead.
 func (*CreateUnsignedTransactionRequest) Descriptor() ([]byte, []int) {
-	return file_kaspawalletd_proto_rawDescGZIP(), []int{2}
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *CreateUnsignedTransactionRequest) GetAddress() string {
@@ -184,7 +250,7 @@ type CreateUnsignedTransactionResponse struct {
 func (x *CreateUnsignedTransactionResponse) Reset() {
 	*x = CreateUnsignedTransactionResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_kaspawalletd_proto_msgTypes[3]
+		mi := &file_kaspawalletd_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -197,7 +263,7 @@ func (x *CreateUnsignedTransactionResponse) String() string {
 func (*CreateUnsignedTransactionResponse) ProtoMessage() {}
 
 func (x *CreateUnsignedTransactionResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_kaspawalletd_proto_msgTypes[3]
+	mi := &file_kaspawalletd_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -210,7 +276,7 @@ func (x *CreateUnsignedTransactionResponse) ProtoReflect() protoreflect.Message
 
 // Deprecated: Use CreateUnsignedTransactionResponse.ProtoReflect.Descriptor instead.
 func (*CreateUnsignedTransactionResponse) Descriptor() ([]byte, []int) {
-	return file_kaspawalletd_proto_rawDescGZIP(), []int{3}
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *CreateUnsignedTransactionResponse) GetUnsignedTransaction() []byte {
@@ -220,54 +286,14 @@ func (x *CreateUnsignedTransactionResponse) GetUnsignedTransaction() []byte {
 	return nil
 }
 
-type GetReceiveAddressRequest struct {
+type ShowAddressesRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 }
 
-func (x *GetReceiveAddressRequest) Reset() {
-	*x = GetReceiveAddressRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_kaspawalletd_proto_msgTypes[4]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *GetReceiveAddressRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*GetReceiveAddressRequest) ProtoMessage() {}
-
-func (x *GetReceiveAddressRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_kaspawalletd_proto_msgTypes[4]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use GetReceiveAddressRequest.ProtoReflect.Descriptor instead.
-func (*GetReceiveAddressRequest) Descriptor() ([]byte, []int) {
-	return file_kaspawalletd_proto_rawDescGZIP(), []int{4}
-}
-
-type GetReceiveAddressResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Address string `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
-}
-
-func (x *GetReceiveAddressResponse) Reset() {
-	*x = GetReceiveAddressResponse{}
+func (x *ShowAddressesRequest) Reset() {
+	*x = ShowAddressesRequest{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_kaspawalletd_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -275,13 +301,13 @@ func (x *GetReceiveAddressResponse) Reset() {
 	}
 }
 
-func (x *GetReceiveAddressResponse) String() string {
+func (x *ShowAddressesRequest) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*GetReceiveAddressResponse) ProtoMessage() {}
+func (*ShowAddressesRequest) ProtoMessage() {}
 
-func (x *GetReceiveAddressResponse) ProtoReflect() protoreflect.Message {
+func (x *ShowAddressesRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_kaspawalletd_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -293,12 +319,137 @@ func (x *GetReceiveAddressResponse) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use GetReceiveAddressResponse.ProtoReflect.Descriptor instead.
-func (*GetReceiveAddressResponse) Descriptor() ([]byte, []int) {
+// Deprecated: Use ShowAddressesRequest.ProtoReflect.Descriptor instead.
+func (*ShowAddressesRequest) Descriptor() ([]byte, []int) {
 	return file_kaspawalletd_proto_rawDescGZIP(), []int{5}
 }
 
-func (x *GetReceiveAddressResponse) GetAddress() string {
+type ShowAddressesResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Address []string `protobuf:"bytes,1,rep,name=address,proto3" json:"address,omitempty"`
+}
+
+func (x *ShowAddressesResponse) Reset() {
+	*x = ShowAddressesResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_kaspawalletd_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ShowAddressesResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ShowAddressesResponse) ProtoMessage() {}
+
+func (x *ShowAddressesResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_kaspawalletd_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ShowAddressesResponse.ProtoReflect.Descriptor instead.
+func (*ShowAddressesResponse) Descriptor() ([]byte, []int) {
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *ShowAddressesResponse) GetAddress() []string {
+	if x != nil {
+		return x.Address
+	}
+	return nil
+}
+
+type NewAddressRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *NewAddressRequest) Reset() {
+	*x = NewAddressRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_kaspawalletd_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *NewAddressRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*NewAddressRequest) ProtoMessage() {}
+
+func (x *NewAddressRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_kaspawalletd_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use NewAddressRequest.ProtoReflect.Descriptor instead.
+func (*NewAddressRequest) Descriptor() ([]byte, []int) {
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{7}
+}
+
+type NewAddressResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Address string `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
+}
+
+func (x *NewAddressResponse) Reset() {
+	*x = NewAddressResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_kaspawalletd_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *NewAddressResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*NewAddressResponse) ProtoMessage() {}
+
+func (x *NewAddressResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_kaspawalletd_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use NewAddressResponse.ProtoReflect.Descriptor instead.
+func (*NewAddressResponse) Descriptor() ([]byte, []int) {
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *NewAddressResponse) GetAddress() string {
 	if x != nil {
 		return x.Address
 	}
@@ -316,7 +467,7 @@ type BroadcastRequest struct {
 func (x *BroadcastRequest) Reset() {
 	*x = BroadcastRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_kaspawalletd_proto_msgTypes[6]
+		mi := &file_kaspawalletd_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -329,7 +480,7 @@ func (x *BroadcastRequest) String() string {
 func (*BroadcastRequest) ProtoMessage() {}
 
 func (x *BroadcastRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_kaspawalletd_proto_msgTypes[6]
+	mi := &file_kaspawalletd_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -342,7 +493,7 @@ func (x *BroadcastRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BroadcastRequest.ProtoReflect.Descriptor instead.
 func (*BroadcastRequest) Descriptor() ([]byte, []int) {
-	return file_kaspawalletd_proto_rawDescGZIP(), []int{6}
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *BroadcastRequest) GetTransaction() []byte {
@@ -363,7 +514,7 @@ type BroadcastResponse struct {
 func (x *BroadcastResponse) Reset() {
 	*x = BroadcastResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_kaspawalletd_proto_msgTypes[7]
+		mi := &file_kaspawalletd_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -376,7 +527,7 @@ func (x *BroadcastResponse) String() string {
 func (*BroadcastResponse) ProtoMessage() {}
 
 func (x *BroadcastResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_kaspawalletd_proto_msgTypes[7]
+	mi := &file_kaspawalletd_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -389,7 +540,7 @@ func (x *BroadcastResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BroadcastResponse.ProtoReflect.Descriptor instead.
 func (*BroadcastResponse) Descriptor() ([]byte, []int) {
-	return file_kaspawalletd_proto_rawDescGZIP(), []int{7}
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *BroadcastResponse) GetTxID() string {
@@ -408,7 +559,7 @@ type ShutdownRequest struct {
 func (x *ShutdownRequest) Reset() {
 	*x = ShutdownRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_kaspawalletd_proto_msgTypes[8]
+		mi := &file_kaspawalletd_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -421,7 +572,7 @@ func (x *ShutdownRequest) String() string {
 func (*ShutdownRequest) ProtoMessage() {}
 
 func (x *ShutdownRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_kaspawalletd_proto_msgTypes[8]
+	mi := &file_kaspawalletd_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -434,7 +585,7 @@ func (x *ShutdownRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ShutdownRequest.ProtoReflect.Descriptor instead.
 func (*ShutdownRequest) Descriptor() ([]byte, []int) {
-	return file_kaspawalletd_proto_rawDescGZIP(), []int{8}
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{11}
 }
 
 type ShutdownResponse struct {
@@ -446,7 +597,7 @@ type ShutdownResponse struct {
 func (x *ShutdownResponse) Reset() {
 	*x = ShutdownResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_kaspawalletd_proto_msgTypes[9]
+		mi := &file_kaspawalletd_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -459,7 +610,7 @@ func (x *ShutdownResponse) String() string {
 func (*ShutdownResponse) ProtoMessage() {}
 
 func (x *ShutdownResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_kaspawalletd_proto_msgTypes[9]
+	mi := &file_kaspawalletd_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -472,7 +623,7 @@ func (x *ShutdownResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ShutdownResponse.ProtoReflect.Descriptor instead.
 func (*ShutdownResponse) Descriptor() ([]byte, []int) {
-	return file_kaspawalletd_proto_rawDescGZIP(), []int{9}
+	return file_kaspawalletd_proto_rawDescGZIP(), []int{12}
 }
 
 var File_kaspawalletd_proto protoreflect.FileDescriptor
@@ -480,63 +631,79 @@ var File_kaspawalletd_proto protoreflect.FileDescriptor
 var file_kaspawalletd_proto_rawDesc = []byte{
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-	0x61, 0x64, 0x2f, 0x63, 0x6d, 0x64, 0x2f, 0x6b, 0x61, 0x73, 0x70, 0x61, 0x77, 0x61, 0x6c, 0x6c,
-	0x65, 0x74, 0x2f, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72,
-	0x6f, 0x74, 0x6f, 0x33,
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+	0x61, 0x73, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x12, 0x2e, 0x42, 0x72, 0x6f,
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+	0x42, 0x36, 0x5a, 0x34, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6b,
+	0x61, 0x73, 0x70, 0x61, 0x6e, 0x65, 0x74, 0x2f, 0x6b, 0x61, 0x73, 0x70, 0x61, 0x64, 0x2f, 0x63,
+	0x6d, 0x64, 0x2f, 0x6b, 0x61, 0x73, 0x70, 0x61, 0x77, 0x61, 0x6c, 0x6c, 0x65, 0x74, 0x2f, 0x64,
+	0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -551,35 +718,41 @@ func file_kaspawalletd_proto_rawDescGZIP() []byte {
 	return file_kaspawalletd_proto_rawDescData
 }
 
-var file_kaspawalletd_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_kaspawalletd_proto_msgTypes = make([]protoimpl.MessageInfo, 13)
 var file_kaspawalletd_proto_goTypes = []interface{}{
 	(*GetBalanceRequest)(nil),                 // 0: GetBalanceRequest
 	(*GetBalanceResponse)(nil),                // 1: GetBalanceResponse
-	(*CreateUnsignedTransactionRequest)(nil),  // 2: CreateUnsignedTransactionRequest
-	(*CreateUnsignedTransactionResponse)(nil), // 3: CreateUnsignedTransactionResponse
-	(*GetReceiveAddressRequest)(nil),          // 4: GetReceiveAddressRequest
-	(*GetReceiveAddressResponse)(nil),         // 5: GetReceiveAddressResponse
-	(*BroadcastRequest)(nil),                  // 6: BroadcastRequest
-	(*BroadcastResponse)(nil),                 // 7: BroadcastResponse
-	(*ShutdownRequest)(nil),                   // 8: ShutdownRequest
-	(*ShutdownResponse)(nil),                  // 9: ShutdownResponse
+	(*AddressBalances)(nil),                   // 2: AddressBalances
+	(*CreateUnsignedTransactionRequest)(nil),  // 3: CreateUnsignedTransactionRequest
+	(*CreateUnsignedTransactionResponse)(nil), // 4: CreateUnsignedTransactionResponse
+	(*ShowAddressesRequest)(nil),              // 5: ShowAddressesRequest
+	(*ShowAddressesResponse)(nil),             // 6: ShowAddressesResponse
+	(*NewAddressRequest)(nil),                 // 7: NewAddressRequest
+	(*NewAddressResponse)(nil),                // 8: NewAddressResponse
+	(*BroadcastRequest)(nil),                  // 9: BroadcastRequest
+	(*BroadcastResponse)(nil),                 // 10: BroadcastResponse
+	(*ShutdownRequest)(nil),                   // 11: ShutdownRequest
+	(*ShutdownResponse)(nil),                  // 12: ShutdownResponse
 }
 var file_kaspawalletd_proto_depIdxs = []int32{
-	0, // 0: kaspawalletd.GetBalance:input_type -> GetBalanceRequest
-	2, // 1: kaspawalletd.CreateUnsignedTransaction:input_type -> CreateUnsignedTransactionRequest
-	4, // 2: kaspawalletd.GetReceiveAddress:input_type -> GetReceiveAddressRequest
-	8, // 3: kaspawalletd.Shutdown:input_type -> ShutdownRequest
-	6, // 4: kaspawalletd.Broadcast:input_type -> BroadcastRequest
-	1, // 5: kaspawalletd.GetBalance:output_type -> GetBalanceResponse
-	3, // 6: kaspawalletd.CreateUnsignedTransaction:output_type -> CreateUnsignedTransactionResponse
-	5, // 7: kaspawalletd.GetReceiveAddress:output_type -> GetReceiveAddressResponse
-	9, // 8: kaspawalletd.Shutdown:output_type -> ShutdownResponse
-	7, // 9: kaspawalletd.Broadcast:output_type -> BroadcastResponse
-	5, // [5:10] is the sub-list for method output_type
-	0, // [0:5] is the sub-list for method input_type
-	0, // [0:0] is the sub-list for extension type_name
-	0, // [0:0] is the sub-list for extension extendee
-	0, // [0:0] is the sub-list for field type_name
+	2,  // 0: GetBalanceResponse.addressBalances:type_name -> AddressBalances
+	0,  // 1: kaspawalletd.GetBalance:input_type -> GetBalanceRequest
+	3,  // 2: kaspawalletd.CreateUnsignedTransaction:input_type -> CreateUnsignedTransactionRequest
+	5,  // 3: kaspawalletd.ShowAddresses:input_type -> ShowAddressesRequest
+	7,  // 4: kaspawalletd.NewAddress:input_type -> NewAddressRequest
+	11, // 5: kaspawalletd.Shutdown:input_type -> ShutdownRequest
+	9,  // 6: kaspawalletd.Broadcast:input_type -> BroadcastRequest
+	1,  // 7: kaspawalletd.GetBalance:output_type -> GetBalanceResponse
+	4,  // 8: kaspawalletd.CreateUnsignedTransaction:output_type -> CreateUnsignedTransactionResponse
+	6,  // 9: kaspawalletd.ShowAddresses:output_type -> ShowAddressesResponse
+	8,  // 10: kaspawalletd.NewAddress:output_type -> NewAddressResponse
+	12, // 11: kaspawalletd.Shutdown:output_type -> ShutdownResponse
+	10, // 12: kaspawalletd.Broadcast:output_type -> BroadcastResponse
+	7,  // [7:13] is the sub-list for method output_type
+	1,  // [1:7] is the sub-list for method input_type
+	1,  // [1:1] is the sub-list for extension type_name
+	1,  // [1:1] is the sub-list for extension extendee
+	0,  // [0:1] is the sub-list for field type_name
 }
 
 func init() { file_kaspawalletd_proto_init() }
@@ -613,7 +786,7 @@ func file_kaspawalletd_proto_init() {
 			}
 		}
 		file_kaspawalletd_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CreateUnsignedTransactionRequest); i {
+			switch v := v.(*AddressBalances); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -625,7 +798,7 @@ func file_kaspawalletd_proto_init() {
 			}
 		}
 		file_kaspawalletd_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CreateUnsignedTransactionResponse); i {
+			switch v := v.(*CreateUnsignedTransactionRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -637,7 +810,7 @@ func file_kaspawalletd_proto_init() {
 			}
 		}
 		file_kaspawalletd_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetReceiveAddressRequest); i {
+			switch v := v.(*CreateUnsignedTransactionResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -649,7 +822,7 @@ func file_kaspawalletd_proto_init() {
 			}
 		}
 		file_kaspawalletd_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetReceiveAddressResponse); i {
+			switch v := v.(*ShowAddressesRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -661,7 +834,7 @@ func file_kaspawalletd_proto_init() {
 			}
 		}
 		file_kaspawalletd_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BroadcastRequest); i {
+			switch v := v.(*ShowAddressesResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -673,7 +846,7 @@ func file_kaspawalletd_proto_init() {
 			}
 		}
 		file_kaspawalletd_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BroadcastResponse); i {
+			switch v := v.(*NewAddressRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -685,7 +858,7 @@ func file_kaspawalletd_proto_init() {
 			}
 		}
 		file_kaspawalletd_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ShutdownRequest); i {
+			switch v := v.(*NewAddressResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -697,6 +870,42 @@ func file_kaspawalletd_proto_init() {
 			}
 		}
 		file_kaspawalletd_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BroadcastRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_kaspawalletd_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BroadcastResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_kaspawalletd_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ShutdownRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_kaspawalletd_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ShutdownResponse); i {
 			case 0:
 				return &v.state
@@ -715,7 +924,7 @@ func file_kaspawalletd_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_kaspawalletd_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   10,
+			NumMessages:   13,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

cmd/kaspawallet/daemon/pb/kaspawalletd.proto

@@ -5,7 +5,8 @@ option go_package = "github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/pb";
 service kaspawalletd {
   rpc GetBalance (GetBalanceRequest) returns (GetBalanceResponse) {}
   rpc CreateUnsignedTransaction (CreateUnsignedTransactionRequest) returns (CreateUnsignedTransactionResponse) {}
-  rpc GetReceiveAddress (GetReceiveAddressRequest) returns (GetReceiveAddressResponse) {}
+  rpc ShowAddresses (ShowAddressesRequest) returns (ShowAddressesResponse) {}
+  rpc NewAddress (NewAddressRequest) returns (NewAddressResponse) {}
   rpc Shutdown (ShutdownRequest) returns (ShutdownResponse) {}
   rpc Broadcast (BroadcastRequest) returns (BroadcastResponse) {}
 }
@@ -16,6 +17,13 @@ message GetBalanceRequest {
 message GetBalanceResponse {
   uint64 available = 1;
   uint64 pending = 2;
+  repeated AddressBalances addressBalances = 3;
+}
+
+message AddressBalances {
+    string address = 1;
+    uint64 available = 2;
+    uint64 pending = 3;
 }
 
 message CreateUnsignedTransactionRequest {
@@ -27,10 +35,17 @@ message CreateUnsignedTransactionResponse {
   bytes unsignedTransaction = 1;
 }
 
-message GetReceiveAddressRequest {
+message ShowAddressesRequest {
 }
 
-message GetReceiveAddressResponse {
+message ShowAddressesResponse {
+  repeated string address = 1;
+}
+
+message NewAddressRequest {
+}
+
+message NewAddressResponse {
   string address = 1;
 }
 

cmd/kaspawallet/daemon/pb/kaspawalletd_grpc.pb.go

@@ -11,7 +11,8 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion6
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
 
 // KaspawalletdClient is the client API for Kaspawalletd service.
 //
@@ -19,7 +20,8 @@ const _ = grpc.SupportPackageIsVersion6
 type KaspawalletdClient interface {
 	GetBalance(ctx context.Context, in *GetBalanceRequest, opts ...grpc.CallOption) (*GetBalanceResponse, error)
 	CreateUnsignedTransaction(ctx context.Context, in *CreateUnsignedTransactionRequest, opts ...grpc.CallOption) (*CreateUnsignedTransactionResponse, error)
-	GetReceiveAddress(ctx context.Context, in *GetReceiveAddressRequest, opts ...grpc.CallOption) (*GetReceiveAddressResponse, error)
+	ShowAddresses(ctx context.Context, in *ShowAddressesRequest, opts ...grpc.CallOption) (*ShowAddressesResponse, error)
+	NewAddress(ctx context.Context, in *NewAddressRequest, opts ...grpc.CallOption) (*NewAddressResponse, error)
 	Shutdown(ctx context.Context, in *ShutdownRequest, opts ...grpc.CallOption) (*ShutdownResponse, error)
 	Broadcast(ctx context.Context, in *BroadcastRequest, opts ...grpc.CallOption) (*BroadcastResponse, error)
 }
@@ -50,9 +52,18 @@ func (c *kaspawalletdClient) CreateUnsignedTransaction(ctx context.Context, in *
 	return out, nil
 }
 
-func (c *kaspawalletdClient) GetReceiveAddress(ctx context.Context, in *GetReceiveAddressRequest, opts ...grpc.CallOption) (*GetReceiveAddressResponse, error) {
-	out := new(GetReceiveAddressResponse)
-	err := c.cc.Invoke(ctx, "/kaspawalletd/GetReceiveAddress", in, out, opts...)
+func (c *kaspawalletdClient) ShowAddresses(ctx context.Context, in *ShowAddressesRequest, opts ...grpc.CallOption) (*ShowAddressesResponse, error) {
+	out := new(ShowAddressesResponse)
+	err := c.cc.Invoke(ctx, "/kaspawalletd/ShowAddresses", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *kaspawalletdClient) NewAddress(ctx context.Context, in *NewAddressRequest, opts ...grpc.CallOption) (*NewAddressResponse, error) {
+	out := new(NewAddressResponse)
+	err := c.cc.Invoke(ctx, "/kaspawalletd/NewAddress", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -83,7 +94,8 @@ func (c *kaspawalletdClient) Broadcast(ctx context.Context, in *BroadcastRequest
 type KaspawalletdServer interface {
 	GetBalance(context.Context, *GetBalanceRequest) (*GetBalanceResponse, error)
 	CreateUnsignedTransaction(context.Context, *CreateUnsignedTransactionRequest) (*CreateUnsignedTransactionResponse, error)
-	GetReceiveAddress(context.Context, *GetReceiveAddressRequest) (*GetReceiveAddressResponse, error)
+	ShowAddresses(context.Context, *ShowAddressesRequest) (*ShowAddressesResponse, error)
+	NewAddress(context.Context, *NewAddressRequest) (*NewAddressResponse, error)
 	Shutdown(context.Context, *ShutdownRequest) (*ShutdownResponse, error)
 	Broadcast(context.Context, *BroadcastRequest) (*BroadcastResponse, error)
 	mustEmbedUnimplementedKaspawalletdServer()
@@ -93,25 +105,35 @@ type KaspawalletdServer interface {
 type UnimplementedKaspawalletdServer struct {
 }
 
-func (*UnimplementedKaspawalletdServer) GetBalance(context.Context, *GetBalanceRequest) (*GetBalanceResponse, error) {
+func (UnimplementedKaspawalletdServer) GetBalance(context.Context, *GetBalanceRequest) (*GetBalanceResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetBalance not implemented")
 }
-func (*UnimplementedKaspawalletdServer) CreateUnsignedTransaction(context.Context, *CreateUnsignedTransactionRequest) (*CreateUnsignedTransactionResponse, error) {
+func (UnimplementedKaspawalletdServer) CreateUnsignedTransaction(context.Context, *CreateUnsignedTransactionRequest) (*CreateUnsignedTransactionResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method CreateUnsignedTransaction not implemented")
 }
-func (*UnimplementedKaspawalletdServer) GetReceiveAddress(context.Context, *GetReceiveAddressRequest) (*GetReceiveAddressResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method GetReceiveAddress not implemented")
+func (UnimplementedKaspawalletdServer) ShowAddresses(context.Context, *ShowAddressesRequest) (*ShowAddressesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ShowAddresses not implemented")
 }
-func (*UnimplementedKaspawalletdServer) Shutdown(context.Context, *ShutdownRequest) (*ShutdownResponse, error) {
+func (UnimplementedKaspawalletdServer) NewAddress(context.Context, *NewAddressRequest) (*NewAddressResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method NewAddress not implemented")
+}
+func (UnimplementedKaspawalletdServer) Shutdown(context.Context, *ShutdownRequest) (*ShutdownResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Shutdown not implemented")
 }
-func (*UnimplementedKaspawalletdServer) Broadcast(context.Context, *BroadcastRequest) (*BroadcastResponse, error) {
+func (UnimplementedKaspawalletdServer) Broadcast(context.Context, *BroadcastRequest) (*BroadcastResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Broadcast not implemented")
 }
-func (*UnimplementedKaspawalletdServer) mustEmbedUnimplementedKaspawalletdServer() {}
+func (UnimplementedKaspawalletdServer) mustEmbedUnimplementedKaspawalletdServer() {}
 
-func RegisterKaspawalletdServer(s *grpc.Server, srv KaspawalletdServer) {
-	s.RegisterService(&_Kaspawalletd_serviceDesc, srv)
+// UnsafeKaspawalletdServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to KaspawalletdServer will
+// result in compilation errors.
+type UnsafeKaspawalletdServer interface {
+	mustEmbedUnimplementedKaspawalletdServer()
+}
+
+func RegisterKaspawalletdServer(s grpc.ServiceRegistrar, srv KaspawalletdServer) {
+	s.RegisterService(&Kaspawalletd_ServiceDesc, srv)
 }
 
 func _Kaspawalletd_GetBalance_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
@@ -150,20 +172,38 @@ func _Kaspawalletd_CreateUnsignedTransaction_Handler(srv interface{}, ctx contex
 	return interceptor(ctx, in, info, handler)
 }
 
-func _Kaspawalletd_GetReceiveAddress_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetReceiveAddressRequest)
+func _Kaspawalletd_ShowAddresses_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ShowAddressesRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
-		return srv.(KaspawalletdServer).GetReceiveAddress(ctx, in)
+		return srv.(KaspawalletdServer).ShowAddresses(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/kaspawalletd/GetReceiveAddress",
+		FullMethod: "/kaspawalletd/ShowAddresses",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(KaspawalletdServer).GetReceiveAddress(ctx, req.(*GetReceiveAddressRequest))
+		return srv.(KaspawalletdServer).ShowAddresses(ctx, req.(*ShowAddressesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Kaspawalletd_NewAddress_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(NewAddressRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(KaspawalletdServer).NewAddress(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/kaspawalletd/NewAddress",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(KaspawalletdServer).NewAddress(ctx, req.(*NewAddressRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
@@ -204,7 +244,10 @@ func _Kaspawalletd_Broadcast_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }
 
-var _Kaspawalletd_serviceDesc = grpc.ServiceDesc{
+// Kaspawalletd_ServiceDesc is the grpc.ServiceDesc for Kaspawalletd service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Kaspawalletd_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "kaspawalletd",
 	HandlerType: (*KaspawalletdServer)(nil),
 	Methods: []grpc.MethodDesc{
@@ -217,8 +260,12 @@ var _Kaspawalletd_serviceDesc = grpc.ServiceDesc{
 			Handler:    _Kaspawalletd_CreateUnsignedTransaction_Handler,
 		},
 		{
-			MethodName: "GetReceiveAddress",
-			Handler:    _Kaspawalletd_GetReceiveAddress_Handler,
+			MethodName: "ShowAddresses",
+			Handler:    _Kaspawalletd_ShowAddresses_Handler,
+		},
+		{
+			MethodName: "NewAddress",
+			Handler:    _Kaspawalletd_NewAddress_Handler,
 		},
 		{
 			MethodName: "Shutdown",

cmd/kaspawallet/daemon/server/address.go

@@ -3,6 +3,7 @@ package server
 import (
 	"context"
 	"fmt"
+
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/pb"
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/libkaspawallet"
 	"github.com/kaspanet/kaspad/util"
@@ -23,13 +24,39 @@ func (s *server) changeAddress() (util.Address, error) {
 	walletAddr := &walletAddress{
 		index:         s.keysFile.LastUsedInternalIndex(),
 		cosignerIndex: s.keysFile.CosignerIndex,
-		keyChain:      internalKeychain,
+		keyChain:      libkaspawallet.InternalKeychain,
 	}
 	path := s.walletAddressPath(walletAddr)
 	return libkaspawallet.Address(s.params, s.keysFile.ExtendedPublicKeys, s.keysFile.MinimumSignatures, path, s.keysFile.ECDSA)
 }
 
-func (s *server) GetReceiveAddress(_ context.Context, request *pb.GetReceiveAddressRequest) (*pb.GetReceiveAddressResponse, error) {
+func (s *server) ShowAddresses(_ context.Context, request *pb.ShowAddressesRequest) (*pb.ShowAddressesResponse, error) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	if !s.isSynced() {
+		return nil, errors.New("server is not synced")
+	}
+
+	addresses := make([]string, 0)
+	for i := uint32(1); i <= s.keysFile.LastUsedExternalIndex(); i++ {
+		walletAddr := &walletAddress{
+			index:         i,
+			cosignerIndex: s.keysFile.CosignerIndex,
+			keyChain:      libkaspawallet.ExternalKeychain,
+		}
+		path := s.walletAddressPath(walletAddr)
+		address, err := libkaspawallet.Address(s.params, s.keysFile.ExtendedPublicKeys, s.keysFile.MinimumSignatures, path, s.keysFile.ECDSA)
+		if err != nil {
+			return nil, err
+		}
+		addresses = append(addresses, address.String())
+	}
+
+	return &pb.ShowAddressesResponse{Address: addresses}, nil
+}
+
+func (s *server) NewAddress(_ context.Context, request *pb.NewAddressRequest) (*pb.NewAddressResponse, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
@@ -50,7 +77,7 @@ func (s *server) GetReceiveAddress(_ context.Context, request *pb.GetReceiveAddr
 	walletAddr := &walletAddress{
 		index:         s.keysFile.LastUsedExternalIndex(),
 		cosignerIndex: s.keysFile.CosignerIndex,
-		keyChain:      externalKeychain,
+		keyChain:      libkaspawallet.ExternalKeychain,
 	}
 	path := s.walletAddressPath(walletAddr)
 	address, err := libkaspawallet.Address(s.params, s.keysFile.ExtendedPublicKeys, s.keysFile.MinimumSignatures, path, s.keysFile.ECDSA)
@@ -58,7 +85,7 @@ func (s *server) GetReceiveAddress(_ context.Context, request *pb.GetReceiveAddr
 		return nil, err
 	}
 
-	return &pb.GetReceiveAddressResponse{Address: address.String()}, nil
+	return &pb.NewAddressResponse{Address: address.String()}, nil
 }
 
 func (s *server) walletAddressString(wAddr *walletAddress) (string, error) {

cmd/kaspawallet/daemon/server/balance.go

@@ -2,9 +2,14 @@ package server
 
 import (
 	"context"
+
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/pb"
+	"github.com/kaspanet/kaspad/cmd/kaspawallet/libkaspawallet"
 )
 
+type balancesType struct{ available, pending uint64 }
+type balancesMapType map[*walletAddress]*balancesType
+
 func (s *server) GetBalance(_ context.Context, _ *pb.GetBalanceRequest) (*pb.GetBalanceResponse, error) {
 	s.lock.RLock()
 	defer s.lock.RUnlock()
@@ -13,19 +18,47 @@ func (s *server) GetBalance(_ context.Context, _ *pb.GetBalanceRequest) (*pb.Get
 	if err != nil {
 		return nil, err
 	}
+	daaScore := dagInfo.VirtualDAAScore
+	maturity := s.params.BlockCoinbaseMaturity
 
-	var availableBalance, pendingBalance uint64
-	for _, entry := range s.utxos {
-		if isUTXOSpendable(entry, dagInfo.VirtualDAAScore, s.params.BlockCoinbaseMaturity) {
-			availableBalance += entry.UTXOEntry.Amount()
+	balancesMap := make(balancesMapType, 0)
+	for _, entry := range s.utxosSortedByAmount {
+		amount := entry.UTXOEntry.Amount()
+		address := entry.address
+		balances, ok := balancesMap[address]
+		if !ok {
+			balances = new(balancesType)
+			balancesMap[address] = balances
+		}
+		if isUTXOSpendable(entry, daaScore, maturity) {
+			balances.available += amount
 		} else {
-			pendingBalance += entry.UTXOEntry.Amount()
+			balances.pending += amount
 		}
 	}
 
+	addressBalances := make([]*pb.AddressBalances, len(balancesMap))
+	i := 0
+	var available, pending uint64
+	for walletAddress, balances := range balancesMap {
+		address, err := libkaspawallet.Address(s.params, s.keysFile.ExtendedPublicKeys, s.keysFile.MinimumSignatures, s.walletAddressPath(walletAddress), s.keysFile.ECDSA)
+		if err != nil {
+			return nil, err
+		}
+		addressBalances[i] = &pb.AddressBalances{
+			Address:   address.String(),
+			Available: balances.available,
+			Pending:   balances.pending,
+		}
+		i++
+		available += balances.available
+		pending += balances.pending
+	}
+
 	return &pb.GetBalanceResponse{
-		Available: availableBalance,
-		Pending:   pendingBalance,
+		Available:       available,
+		Pending:         pending,
+		AddressBalances: addressBalances,
 	}, nil
 }
 

cmd/kaspawallet/daemon/server/create_unsigned_transaction.go

@@ -2,6 +2,7 @@ package server
 
 import (
 	"context"
+
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/pb"
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/libkaspawallet"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/constants"
@@ -17,7 +18,7 @@ func (s *server) CreateUnsignedTransaction(_ context.Context, request *pb.Create
 		return nil, errors.New("server is not synced")
 	}
 
-	err := s.refreshExistingUTXOs()
+	err := s.refreshUTXOs()
 	if err != nil {
 		return nil, err
 	}
@@ -66,7 +67,7 @@ func (s *server) selectUTXOs(spendAmount uint64, feePerInput uint64) (
 		return nil, 0, err
 	}
 
-	for _, utxo := range s.utxos {
+	for _, utxo := range s.utxosSortedByAmount {
 		if !isUTXOSpendable(utxo, dagInfo.VirtualDAAScore, s.params.BlockCoinbaseMaturity) {
 			continue
 		}

cmd/kaspawallet/daemon/server/server.go

@@ -7,9 +7,10 @@ import (
 	"sync"
 	"time"
 
+	"github.com/kaspanet/kaspad/util/profiling"
+
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/pb"
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/keys"
-	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
 	"github.com/kaspanet/kaspad/domain/dagconfig"
 	"github.com/kaspanet/kaspad/infrastructure/network/rpcclient"
 	"github.com/kaspanet/kaspad/infrastructure/os/signal"
@@ -25,20 +26,25 @@ type server struct {
 	rpcClient *rpcclient.RPCClient
 	params    *dagconfig.Params
 
-	lock               sync.RWMutex
-	utxos              map[externalapi.DomainOutpoint]*walletUTXO
-	nextSyncStartIndex uint32
-	keysFile           *keys.File
-	shutdown           chan struct{}
+	lock                sync.RWMutex
+	utxosSortedByAmount []*walletUTXO
+	nextSyncStartIndex  uint32
+	keysFile            *keys.File
+	shutdown            chan struct{}
+	addressSet          walletAddressSet
 }
 
 // Start starts the kaspawalletd server
-func Start(params *dagconfig.Params, listen, rpcServer string, keysFilePath string) error {
+func Start(params *dagconfig.Params, listen, rpcServer string, keysFilePath string, profile string) error {
 	initLog(defaultLogFile, defaultErrLogFile)
 
 	defer panics.HandlePanic(log, "MAIN", nil)
 	interrupt := signal.InterruptListener()
 
+	if profile != "" {
+		profiling.Start(profile, log)
+	}
+
 	listener, err := net.Listen("tcp", listen)
 	if err != nil {
 		return (errors.Wrapf(err, "Error listening to tcp at %s", listen))
@@ -56,12 +62,13 @@ func Start(params *dagconfig.Params, listen, rpcServer string, keysFilePath stri
 	}
 
 	serverInstance := &server{
-		rpcClient:          rpcClient,
-		params:             params,
-		utxos:              make(map[externalapi.DomainOutpoint]*walletUTXO),
-		nextSyncStartIndex: 0,
-		keysFile:           keysFile,
-		shutdown:           make(chan struct{}),
+		rpcClient:           rpcClient,
+		params:              params,
+		utxosSortedByAmount: []*walletUTXO{},
+		nextSyncStartIndex:  0,
+		keysFile:            keysFile,
+		shutdown:            make(chan struct{}),
+		addressSet:          make(walletAddressSet),
 	}
 
 	spawn("serverInstance.sync", func() {

cmd/kaspawallet/daemon/server/sync.go

@@ -1,20 +1,16 @@
 package server
 
 import (
-	"github.com/kaspanet/kaspad/app/appmessage"
-	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
-	"github.com/pkg/errors"
+	"sort"
 	"time"
+
+	"github.com/kaspanet/kaspad/cmd/kaspawallet/libkaspawallet"
+
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/pkg/errors"
 )
 
-const (
-	// externalKeychain is the key chain that is used to create receive addresses
-	externalKeychain = 0
-	// internalKeychain is used to create change addresses
-	internalKeychain = 1
-)
-
-var keyChains = []uint8{externalKeychain, internalKeychain}
+var keyChains = []uint8{libkaspawallet.ExternalKeychain, libkaspawallet.InternalKeychain}
 
 type walletAddressSet map[string]*walletAddress
 
@@ -31,17 +27,18 @@ func (s *server) sync() error {
 	defer ticker.Stop()
 
 	for range ticker.C {
-		err := s.collectUTXOsFromRecentAddresses()
+		err := s.collectRecentAddresses()
 		if err != nil {
 			return err
 		}
 
-		err = s.collectUTXOsFromFarAddresses()
+		err = s.collectFarAddresses()
 		if err != nil {
 			return err
 		}
 
 		err = s.refreshExistingUTXOsWithLock()
+
 		if err != nil {
 			return err
 		}
@@ -78,12 +75,12 @@ func (s *server) addressesToQuery(start, end uint32) (walletAddressSet, error) {
 	return addresses, nil
 }
 
-// collectUTXOsFromFarAddresses collects numIndexesToQuery UTXOs
+// collectFarAddresses collects numIndexesToQuery addresses
 // from the last point it stopped in the previous call.
-func (s *server) collectUTXOsFromFarAddresses() error {
+func (s *server) collectFarAddresses() error {
 	s.lock.Lock()
 	defer s.lock.Unlock()
-	err := s.collectUTXOs(s.nextSyncStartIndex, s.nextSyncStartIndex+numIndexesToQuery)
+	err := s.collectAddresses(s.nextSyncStartIndex, s.nextSyncStartIndex+numIndexesToQuery)
 	if err != nil {
 		return err
 	}
@@ -104,14 +101,14 @@ func (s *server) maxUsedIndex() uint32 {
 	return maxUsedIndex
 }
 
-// collectUTXOsFromRecentAddresses collects UTXOs from used addresses until
+// collectRecentAddresses collects addresses from used addresses until
 // the address with the index of the last used address + 1000.
-// collectUTXOsFromRecentAddresses scans addresses in batches of numIndexesToQuery,
+// collectRecentAddresses scans addresses in batches of numIndexesToQuery,
 // and releases the lock between scans.
-func (s *server) collectUTXOsFromRecentAddresses() error {
+func (s *server) collectRecentAddresses() error {
 	maxUsedIndex := s.maxUsedIndex()
 	for i := uint32(0); i < maxUsedIndex+1000; i += numIndexesToQuery {
-		err := s.collectUTXOsWithLock(i, i+numIndexesToQuery)
+		err := s.collectAddressesWithLock(i, i+numIndexesToQuery)
 		if err != nil {
 			return err
 		}
@@ -120,30 +117,25 @@ func (s *server) collectUTXOsFromRecentAddresses() error {
 	return nil
 }
 
-func (s *server) collectUTXOsWithLock(start, end uint32) error {
+func (s *server) collectAddressesWithLock(start, end uint32) error {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	return s.collectUTXOs(start, end)
+	return s.collectAddresses(start, end)
 }
 
-func (s *server) collectUTXOs(start, end uint32) error {
+func (s *server) collectAddresses(start, end uint32) error {
 	addressSet, err := s.addressesToQuery(start, end)
 	if err != nil {
 		return err
 	}
 
-	getUTXOsByAddressesResponse, err := s.rpcClient.GetUTXOsByAddresses(addressSet.strings())
+	getBalancesByAddressesResponse, err := s.rpcClient.GetBalancesByAddresses(addressSet.strings())
 	if err != nil {
 		return err
 	}
 
-	err = s.updateLastUsedIndexes(addressSet, getUTXOsByAddressesResponse)
-	if err != nil {
-		return err
-	}
-
-	err = s.updateUTXOs(addressSet, getUTXOsByAddressesResponse)
+	err = s.updateAddressesAndLastUsedIndexes(addressSet, getBalancesByAddressesResponse)
 	if err != nil {
 		return err
 	}
@@ -151,36 +143,29 @@ func (s *server) collectUTXOs(start, end uint32) error {
 	return nil
 }
 
-func (s *server) updateUTXOs(addressSet walletAddressSet,
-	getUTXOsByAddressesResponse *appmessage.GetUTXOsByAddressesResponseMessage) error {
-
-	for _, entry := range getUTXOsByAddressesResponse.Entries {
-		err := s.addEntryToUTXOSet(entry, addressSet)
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (s *server) updateLastUsedIndexes(addressSet walletAddressSet,
-	getUTXOsByAddressesResponse *appmessage.GetUTXOsByAddressesResponseMessage) error {
+func (s *server) updateAddressesAndLastUsedIndexes(requestedAddressSet walletAddressSet,
+	getBalancesByAddressesResponse *appmessage.GetBalancesByAddressesResponseMessage) error {
 
 	lastUsedExternalIndex := s.keysFile.LastUsedExternalIndex()
 	lastUsedInternalIndex := s.keysFile.LastUsedInternalIndex()
 
-	for _, entry := range getUTXOsByAddressesResponse.Entries {
-		walletAddress, ok := addressSet[entry.Address]
+	for _, entry := range getBalancesByAddressesResponse.Entries {
+		walletAddress, ok := requestedAddressSet[entry.Address]
 		if !ok {
 			return errors.Errorf("Got result from address %s even though it wasn't requested", entry.Address)
 		}
 
+		if entry.Balance == 0 {
+			continue
+		}
+
 		if walletAddress.cosignerIndex != s.keysFile.CosignerIndex {
 			continue
 		}
 
-		if walletAddress.keyChain == externalKeychain {
+		s.addressSet[entry.Address] = walletAddress
+
+		if walletAddress.keyChain == libkaspawallet.ExternalKeychain {
 			if walletAddress.index > lastUsedExternalIndex {
 				lastUsedExternalIndex = walletAddress.index
 			}
@@ -204,58 +189,49 @@ func (s *server) refreshExistingUTXOsWithLock() error {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	return s.refreshExistingUTXOs()
+	return s.refreshUTXOs()
 }
 
-func (s *server) addEntryToUTXOSet(entry *appmessage.UTXOsByAddressesEntry, addressSet walletAddressSet) error {
-	outpoint, err := appmessage.RPCOutpointToDomainOutpoint(entry.Outpoint)
-	if err != nil {
-		return err
-	}
+// updateUTXOSet clears the current UTXO set, and re-fills it with the given entries
+func (s *server) updateUTXOSet(entries []*appmessage.UTXOsByAddressesEntry) error {
+	utxos := make([]*walletUTXO, len(entries))
 
-	utxoEntry, err := appmessage.RPCUTXOEntryToUTXOEntry(entry.UTXOEntry)
-	if err != nil {
-		return err
-	}
-
-	address, ok := addressSet[entry.Address]
-	if !ok {
-		return errors.Errorf("Got result from address %s even though it wasn't requested", entry.Address)
-	}
-
-	s.utxos[*outpoint] = &walletUTXO{
-		Outpoint:  outpoint,
-		UTXOEntry: utxoEntry,
-		address:   address,
-	}
-
-	return nil
-}
-
-func (s *server) refreshExistingUTXOs() error {
-	addressSet := make(walletAddressSet, len(s.utxos))
-	for _, utxo := range s.utxos {
-		addressString, err := s.walletAddressString(utxo.address)
+	for i, entry := range entries {
+		outpoint, err := appmessage.RPCOutpointToDomainOutpoint(entry.Outpoint)
 		if err != nil {
 			return err
 		}
 
-		addressSet[addressString] = utxo.address
+		utxoEntry, err := appmessage.RPCUTXOEntryToUTXOEntry(entry.UTXOEntry)
+		if err != nil {
+			return err
+		}
+
+		address, ok := s.addressSet[entry.Address]
+		if !ok {
+			return errors.Errorf("Got result from address %s even though it wasn't requested", entry.Address)
+		}
+		utxos[i] = &walletUTXO{
+			Outpoint:  outpoint,
+			UTXOEntry: utxoEntry,
+			address:   address,
+		}
 	}
 
-	getUTXOsByAddressesResponse, err := s.rpcClient.GetUTXOsByAddresses(addressSet.strings())
+	sort.Slice(utxos, func(i, j int) bool { return utxos[i].UTXOEntry.Amount() > utxos[j].UTXOEntry.Amount() })
+
+	s.utxosSortedByAmount = utxos
+
+	return nil
+}
+
+func (s *server) refreshUTXOs() error {
+	getUTXOsByAddressesResponse, err := s.rpcClient.GetUTXOsByAddresses(s.addressSet.strings())
 	if err != nil {
 		return err
 	}
 
-	s.utxos = make(map[externalapi.DomainOutpoint]*walletUTXO, len(getUTXOsByAddressesResponse.Entries))
-	for _, entry := range getUTXOsByAddressesResponse.Entries {
-		err := s.addEntryToUTXOSet(entry, addressSet)
-		if err != nil {
-			return err
-		}
-	}
-	return nil
+	return s.updateUTXOSet(getUTXOsByAddressesResponse.Entries)
 }
 
 func (s *server) isSynced() bool {

cmd/kaspawallet/keys/create.go

@@ -97,7 +97,7 @@ func encryptMnemonic(mnemonic string, password []byte) (*EncryptedMnemonic, erro
 		return nil, err
 	}
 
-	aead, err := getAEAD(password, salt)
+	aead, err := getAEAD(defaultNumThreads, password, salt)
 	if err != nil {
 		return nil, err
 	}

cmd/kaspawallet/keys/keys.go

@@ -6,10 +6,12 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
-	"github.com/kaspanet/kaspad/cmd/kaspawallet/utils"
 	"os"
 	"path/filepath"
 	"runtime"
+	"strings"
+
+	"github.com/kaspanet/kaspad/cmd/kaspawallet/utils"
 
 	"github.com/kaspanet/kaspad/domain/dagconfig"
 	"github.com/kaspanet/kaspad/util"
@@ -22,6 +24,9 @@ var (
 	defaultAppDir = util.AppDir("kaspawallet", false)
 )
 
+// LastVersion is the most up to date file format version
+const LastVersion = 1
+
 func defaultKeysFile(netParams *dagconfig.Params) string {
 	return filepath.Join(defaultAppDir, netParams.Name, "keys.json")
 }
@@ -32,6 +37,8 @@ type encryptedPrivateKeyJSON struct {
 }
 
 type keysFileJSON struct {
+	Version               uint32                     `json:"version"`
+	NumThreads            uint8                      `json:"numThreads,omitempty"` // This field is ignored for versions different from 0. See more details at the function `numThreads`.
 	EncryptedPrivateKeys  []*encryptedPrivateKeyJSON `json:"encryptedMnemonics"`
 	ExtendedPublicKeys    []string                   `json:"publicKeys"`
 	MinimumSignatures     uint32                     `json:"minimumSignatures"`
@@ -49,6 +56,8 @@ type EncryptedMnemonic struct {
 
 // File holds all the data related to the wallet keys
 type File struct {
+	Version               uint32
+	NumThreads            uint8 // This field is ignored for versions different than 0
 	EncryptedMnemonics    []*EncryptedMnemonic
 	ExtendedPublicKeys    []string
 	MinimumSignatures     uint32
@@ -69,6 +78,8 @@ func (d *File) toJSON() *keysFileJSON {
 	}
 
 	return &keysFileJSON{
+		Version:               d.Version,
+		NumThreads:            d.NumThreads,
 		EncryptedPrivateKeys:  encryptedPrivateKeysJSON,
 		ExtendedPublicKeys:    d.ExtendedPublicKeys,
 		MinimumSignatures:     d.MinimumSignatures,
@@ -79,7 +90,26 @@ func (d *File) toJSON() *keysFileJSON {
 	}
 }
 
+// NewFileFromMnemonic generates a new File from the given mnemonic string
+func NewFileFromMnemonic(params *dagconfig.Params, mnemonic string, password string) (*File, error) {
+	encryptedMnemonics, extendedPublicKeys, err :=
+		encryptedMnemonicExtendedPublicKeyPairs(params, []string{mnemonic}, password, false)
+	if err != nil {
+		return nil, err
+	}
+	return &File{
+		Version:            LastVersion,
+		NumThreads:         defaultNumThreads,
+		EncryptedMnemonics: encryptedMnemonics,
+		ExtendedPublicKeys: extendedPublicKeys,
+		MinimumSignatures:  1,
+		ECDSA:              false,
+	}, nil
+}
+
 func (d *File) fromJSON(fileJSON *keysFileJSON) error {
+	d.Version = fileJSON.Version
+	d.NumThreads = fileJSON.NumThreads
 	d.MinimumSignatures = fileJSON.MinimumSignatures
 	d.ECDSA = fileJSON.ECDSA
 	d.ExtendedPublicKeys = fileJSON.ExtendedPublicKeys
@@ -181,10 +211,20 @@ func (d *File) DecryptMnemonics(cmdLinePassword string) ([]string, error) {
 	if len(password) == 0 {
 		password = getPassword("Password:")
 	}
+
+	var numThreads uint8
+	if len(d.EncryptedMnemonics) > 0 {
+		var err error
+		numThreads, err = d.numThreads(password)
+		if err != nil {
+			return nil, err
+		}
+	}
+
 	privateKeys := make([]string, len(d.EncryptedMnemonics))
 	for i, encryptedPrivateKey := range d.EncryptedMnemonics {
 		var err error
-		privateKeys[i], err = decryptMnemonic(encryptedPrivateKey, password)
+		privateKeys[i], err = decryptMnemonic(numThreads, encryptedPrivateKey, password)
 		if err != nil {
 			return nil, err
 		}
@@ -278,13 +318,72 @@ func (d *File) Save() error {
 	return nil
 }
 
-func getAEAD(password, salt []byte) (cipher.AEAD, error) {
-	key := argon2.IDKey(password, salt, 1, 64*1024, uint8(runtime.NumCPU()), 32)
+const defaultNumThreads = 8
+
+func (d *File) numThreads(password []byte) (uint8, error) {
+	// There's a bug in v0 wallets where the number of threads
+	// was determined by the number of logical CPUs at the machine,
+	// which made the authentication non-deterministic across platforms.
+	// In order to solve it we introduce v1 where the number of threads
+	// is constant, and brute force the number of threads in v0. After we
+	// find the right amount via brute force we save the result to the file.
+
+	if d.Version != 0 {
+		return defaultNumThreads, nil
+	}
+
+	numThreads, err := d.detectNumThreads(password, d.EncryptedMnemonics[0])
+	if err != nil {
+		return 0, err
+	}
+
+	d.NumThreads = numThreads
+	err = d.Save()
+	if err != nil {
+		return 0, err
+	}
+
+	return numThreads, nil
+}
+
+func (d *File) detectNumThreads(password []byte, encryptedMnemonic *EncryptedMnemonic) (uint8, error) {
+	firstGuessNumThreads := d.NumThreads
+	if d.NumThreads == 0 {
+		firstGuessNumThreads = uint8(runtime.NumCPU())
+	}
+	_, err := decryptMnemonic(firstGuessNumThreads, encryptedMnemonic, password)
+	if err != nil {
+		if !strings.Contains(err.Error(), "message authentication failed") {
+			return 0, err
+		}
+	} else {
+		return firstGuessNumThreads, nil
+	}
+
+	for numThreadsGuess := uint8(1); ; numThreadsGuess++ {
+		if numThreadsGuess == firstGuessNumThreads {
+			continue
+		}
+
+		_, err := decryptMnemonic(numThreadsGuess, encryptedMnemonic, password)
+		if err != nil {
+			const maxTries = 255
+			if numThreadsGuess == maxTries || !strings.Contains(err.Error(), "message authentication failed") {
+				return 0, err
+			}
+		} else {
+			return numThreadsGuess, nil
+		}
+	}
+}
+
+func getAEAD(threads uint8, password, salt []byte) (cipher.AEAD, error) {
+	key := argon2.IDKey(password, salt, 1, 64*1024, threads, 32)
 	return chacha20poly1305.NewX(key)
 }
 
-func decryptMnemonic(encryptedPrivateKey *EncryptedMnemonic, password []byte) (string, error) {
-	aead, err := getAEAD(password, encryptedPrivateKey.salt)
+func decryptMnemonic(numThreads uint8, encryptedPrivateKey *EncryptedMnemonic, password []byte) (string, error) {
+	aead, err := getAEAD(numThreads, password, encryptedPrivateKey.salt)
 	if err != nil {
 		return "", err
 	}

cmd/kaspawallet/libkaspawallet/keychains.go

@@ -0,0 +1,8 @@
+package libkaspawallet
+
+const (
+	// ExternalKeychain is the key chain that is used to create receive addresses
+	ExternalKeychain = 0
+	// InternalKeychain is used to create change addresses
+	InternalKeychain = 1
+)

cmd/kaspawallet/libkaspawallet/transaction_test.go

@@ -163,7 +163,7 @@ func TestMultisig(t *testing.T) {
 				t.Fatalf("Expected extractedSignedTxOneStep and extractedSignedTxStep2 IDs to be equal")
 			}
 
-			_, insertionResult, err := tc.AddBlock([]*externalapi.DomainHash{block1Hash}, nil, []*externalapi.DomainTransaction{extractedSignedTxStep2})
+			_, virtualChangeSet, err := tc.AddBlock([]*externalapi.DomainHash{block1Hash}, nil, []*externalapi.DomainTransaction{extractedSignedTxStep2})
 			if err != nil {
 				t.Fatalf("AddBlock: %+v", err)
 			}
@@ -172,7 +172,7 @@ func TestMultisig(t *testing.T) {
 				TransactionID: *consensushashing.TransactionID(extractedSignedTxStep2),
 				Index:         0,
 			}
-			if !insertionResult.VirtualUTXODiff.ToAdd().Contains(addedUTXO) {
+			if !virtualChangeSet.VirtualUTXODiff.ToAdd().Contains(addedUTXO) {
 				t.Fatalf("Transaction wasn't accepted in the DAG")
 			}
 		})
@@ -294,7 +294,7 @@ func TestP2PK(t *testing.T) {
 				t.Fatalf("ExtractTransaction: %+v", err)
 			}
 
-			_, insertionResult, err := tc.AddBlock([]*externalapi.DomainHash{block1Hash}, nil, []*externalapi.DomainTransaction{tx})
+			_, virtualChangeSet, err := tc.AddBlock([]*externalapi.DomainHash{block1Hash}, nil, []*externalapi.DomainTransaction{tx})
 			if err != nil {
 				t.Fatalf("AddBlock: %+v", err)
 			}
@@ -303,7 +303,7 @@ func TestP2PK(t *testing.T) {
 				TransactionID: *consensushashing.TransactionID(tx),
 				Index:         0,
 			}
-			if !insertionResult.VirtualUTXODiff.ToAdd().Contains(addedUTXO) {
+			if !virtualChangeSet.VirtualUTXODiff.ToAdd().Contains(addedUTXO) {
 				t.Fatalf("Transaction wasn't accepted in the DAG")
 			}
 		})

cmd/kaspawallet/main.go

@@ -19,8 +19,12 @@ func main() {
 		err = sign(config.(*signConfig))
 	case broadcastSubCmd:
 		err = broadcast(config.(*broadcastConfig))
-	case showAddressSubCmd:
-		err = showAddress(config.(*showAddressConfig))
+	case parseSubCmd:
+		err = parse(config.(*parseConfig))
+	case showAddressesSubCmd:
+		err = showAddresses(config.(*showAddressesConfig))
+	case newAddressSubCmd:
+		err = newAddress(config.(*newAddressConfig))
 	case dumpUnencryptedDataSubCmd:
 		err = dumpUnencryptedData(config.(*dumpUnencryptedDataConfig))
 	case startDaemonSubCmd:

cmd/kaspawallet/new_address.go

@@ -7,7 +7,7 @@ import (
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/pb"
 )
 
-func showAddress(conf *showAddressConfig) error {
+func newAddress(conf *newAddressConfig) error {
 	daemonClient, tearDown, err := client.Connect(conf.DaemonAddress)
 	if err != nil {
 		return err
@@ -17,11 +17,11 @@ func showAddress(conf *showAddressConfig) error {
 	ctx, cancel := context.WithTimeout(context.Background(), daemonTimeout)
 	defer cancel()
 
-	response, err := daemonClient.GetReceiveAddress(ctx, &pb.GetReceiveAddressRequest{})
+	response, err := daemonClient.NewAddress(ctx, &pb.NewAddressRequest{})
 	if err != nil {
 		return err
 	}
 
-	fmt.Printf("Address:\n%s\n", response.Address)
+	fmt.Printf("New address:\n%s\n", response.Address)
 	return nil
 }

cmd/kaspawallet/parse.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"encoding/hex"
+	"fmt"
+	"github.com/kaspanet/kaspad/cmd/kaspawallet/libkaspawallet/serialization"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/constants"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/txscript"
+	"github.com/pkg/errors"
+	"io/ioutil"
+	"strings"
+)
+
+func parse(conf *parseConfig) error {
+	if conf.Transaction == "" && conf.TransactionFile == "" {
+		return errors.Errorf("Either --transaction or --transaction-file is required")
+	}
+	if conf.Transaction != "" && conf.TransactionFile != "" {
+		return errors.Errorf("Both --transaction and --transaction-file cannot be passed at the same time")
+	}
+
+	transactionHex := conf.Transaction
+	if conf.TransactionFile != "" {
+		transactionHexBytes, err := ioutil.ReadFile(conf.TransactionFile)
+		if err != nil {
+			return errors.Wrapf(err, "Could not read hex from %s", conf.TransactionFile)
+		}
+		transactionHex = strings.TrimSpace(string(transactionHexBytes))
+	}
+
+	transaction, err := hex.DecodeString(transactionHex)
+	if err != nil {
+		return err
+	}
+
+	partiallySignedTransaction, err := serialization.DeserializePartiallySignedTransaction(transaction)
+	if err != nil {
+		return err
+	}
+
+	fmt.Printf("Transaction ID: \t%s\n", consensushashing.TransactionID(partiallySignedTransaction.Tx))
+	fmt.Println()
+
+	allInputSompi := uint64(0)
+	for index, input := range partiallySignedTransaction.Tx.Inputs {
+		partiallySignedInput := partiallySignedTransaction.PartiallySignedInputs[index]
+
+		if conf.Verbose {
+			fmt.Printf("Input %d: \tOutpoint: %s:%d \tAmount: %.2f Kaspa\n", index, input.PreviousOutpoint.TransactionID,
+				input.PreviousOutpoint.Index, float64(partiallySignedInput.PrevOutput.Value)/float64(constants.SompiPerKaspa))
+		}
+
+		allInputSompi += partiallySignedInput.PrevOutput.Value
+	}
+	if conf.Verbose {
+		fmt.Println()
+	}
+
+	allOutputSompi := uint64(0)
+	for index, output := range partiallySignedTransaction.Tx.Outputs {
+		scriptPublicKeyType, scriptPublicKeyAddress, err := txscript.ExtractScriptPubKeyAddress(output.ScriptPublicKey, conf.ActiveNetParams)
+		if err != nil {
+			return err
+		}
+
+		addressString := scriptPublicKeyAddress.EncodeAddress()
+		if scriptPublicKeyType == txscript.NonStandardTy {
+			scriptPublicKeyHex := hex.EncodeToString(output.ScriptPublicKey.Script)
+			addressString = fmt.Sprintf("<Non-standard transaction script public key: %s>", scriptPublicKeyHex)
+		}
+
+		fmt.Printf("Output %d: \tRecipient: %s \tAmount: %.2f Kaspa\n",
+			index, addressString, float64(output.Value)/float64(constants.SompiPerKaspa))
+
+		allOutputSompi += output.Value
+	}
+	fmt.Println()
+
+	fmt.Printf("Fee:\t%d Sompi\n", allInputSompi-allOutputSompi)
+
+	return nil
+}

cmd/kaspawallet/show_addresses.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/client"
+	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/pb"
+)
+
+func showAddresses(conf *showAddressesConfig) error {
+	daemonClient, tearDown, err := client.Connect(conf.DaemonAddress)
+	if err != nil {
+		return err
+	}
+	defer tearDown()
+
+	ctx, cancel := context.WithTimeout(context.Background(), daemonTimeout)
+	defer cancel()
+
+	response, err := daemonClient.ShowAddresses(ctx, &pb.ShowAddressesRequest{})
+	if err != nil {
+		return err
+	}
+
+	fmt.Printf("Addresses (%d):\n", len(response.Address))
+	for _, address := range response.Address {
+		fmt.Println(address)
+	}
+	return nil
+}

cmd/kaspawallet/sign.go

@@ -5,6 +5,9 @@ import (
 	"fmt"
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/keys"
 	"github.com/kaspanet/kaspad/cmd/kaspawallet/libkaspawallet"
+	"github.com/pkg/errors"
+	"io/ioutil"
+	"strings"
 )
 
 func sign(conf *signConfig) error {
@@ -13,7 +16,23 @@ func sign(conf *signConfig) error {
 		return err
 	}
 
-	partiallySignedTransaction, err := hex.DecodeString(conf.Transaction)
+	if conf.Transaction == "" && conf.TransactionFile == "" {
+		return errors.Errorf("Either --transaction or --transaction-file is required")
+	}
+	if conf.Transaction != "" && conf.TransactionFile != "" {
+		return errors.Errorf("Both --transaction and --transaction-file cannot be passed at the same time")
+	}
+
+	transactionHex := conf.Transaction
+	if conf.TransactionFile != "" {
+		transactionHexBytes, err := ioutil.ReadFile(conf.TransactionFile)
+		if err != nil {
+			return errors.Wrapf(err, "Could not read hex from %s", conf.TransactionFile)
+		}
+		transactionHex = strings.TrimSpace(string(transactionHexBytes))
+	}
+
+	partiallySignedTransaction, err := hex.DecodeString(transactionHex)
 	if err != nil {
 		return err
 	}

cmd/kaspawallet/start_daemon.go

@@ -3,5 +3,5 @@ package main
 import "github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/server"
 
 func startDaemon(conf *startDaemonConfig) error {
-	return server.Start(conf.NetParams(), conf.Listen, conf.RPCServer, conf.KeysFile)
+	return server.Start(conf.NetParams(), conf.Listen, conf.RPCServer, conf.KeysFile, conf.Profile)
 }

domain/consensus/consensus.go

@@ -39,24 +39,25 @@ type consensus struct {
 	finalityManager       model.FinalityManager
 	pruningProofManager   model.PruningProofManager
 
-	acceptanceDataStore       model.AcceptanceDataStore
-	blockStore                model.BlockStore
-	blockHeaderStore          model.BlockHeaderStore
-	pruningStore              model.PruningStore
-	ghostdagDataStores        []model.GHOSTDAGDataStore
-	blockRelationStores       []model.BlockRelationStore
-	blockStatusStore          model.BlockStatusStore
-	consensusStateStore       model.ConsensusStateStore
-	headersSelectedTipStore   model.HeaderSelectedTipStore
-	multisetStore             model.MultisetStore
-	reachabilityDataStores    []model.ReachabilityDataStore
-	utxoDiffStore             model.UTXODiffStore
-	finalityStore             model.FinalityStore
-	headersSelectedChainStore model.HeadersSelectedChainStore
-	daaBlocksStore            model.DAABlocksStore
+	acceptanceDataStore                 model.AcceptanceDataStore
+	blockStore                          model.BlockStore
+	blockHeaderStore                    model.BlockHeaderStore
+	pruningStore                        model.PruningStore
+	ghostdagDataStores                  []model.GHOSTDAGDataStore
+	blockRelationStores                 []model.BlockRelationStore
+	blockStatusStore                    model.BlockStatusStore
+	consensusStateStore                 model.ConsensusStateStore
+	headersSelectedTipStore             model.HeaderSelectedTipStore
+	multisetStore                       model.MultisetStore
+	reachabilityDataStores              []model.ReachabilityDataStore
+	utxoDiffStore                       model.UTXODiffStore
+	finalityStore                       model.FinalityStore
+	headersSelectedChainStore           model.HeadersSelectedChainStore
+	daaBlocksStore                      model.DAABlocksStore
+	blocksWithTrustedDataDAAWindowStore model.BlocksWithTrustedDataDAAWindowStore
 }
 
-func (s *consensus) ValidateAndInsertBlockWithTrustedData(block *externalapi.BlockWithTrustedData, validateUTXO bool) (*externalapi.BlockInsertionResult, error) {
+func (s *consensus) ValidateAndInsertBlockWithTrustedData(block *externalapi.BlockWithTrustedData, validateUTXO bool) (*externalapi.VirtualChangeSet, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
@@ -119,7 +120,6 @@ func (s *consensus) Init(skipAddingGenesis bool) error {
 	if !skipAddingGenesis && s.blockStore.Count(stagingArea) == 0 {
 		genesisWithTrustedData := &externalapi.BlockWithTrustedData{
 			Block:     s.genesisBlock,
-			DAAScore:  0,
 			DAAWindow: nil,
 			GHOSTDAGData: []*externalapi.BlockGHOSTDAGDataHashPair{
 				{
@@ -137,11 +137,11 @@ func (s *consensus) Init(skipAddingGenesis bool) error {
 	return nil
 }
 
-func (s *consensus) PruningPointAndItsAnticoneWithTrustedData() ([]*externalapi.BlockWithTrustedData, error) {
+func (s *consensus) PruningPointAndItsAnticone() ([]*externalapi.DomainHash, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	return s.pruningManager.PruningPointAndItsAnticoneWithTrustedData()
+	return s.pruningManager.PruningPointAndItsAnticone()
 }
 
 // BuildBlock builds a block over the current state, with the transactions
@@ -157,7 +157,7 @@ func (s *consensus) BuildBlock(coinbaseData *externalapi.DomainCoinbaseData,
 
 // ValidateAndInsertBlock validates the given block and, if valid, applies it
 // to the current state
-func (s *consensus) ValidateAndInsertBlock(block *externalapi.DomainBlock, shouldValidateAgainstUTXO bool) (*externalapi.BlockInsertionResult, error) {
+func (s *consensus) ValidateAndInsertBlock(block *externalapi.DomainBlock, shouldValidateAgainstUTXO bool) (*externalapi.VirtualChangeSet, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
@@ -182,7 +182,12 @@ func (s *consensus) ValidateTransactionAndPopulateWithConsensusData(transaction
 		return err
 	}
 
-	err = s.transactionValidator.ValidateTransactionInContextIgnoringUTXO(stagingArea, transaction, model.VirtualBlockHash)
+	virtualPastMedianTime, err := s.pastMedianTimeManager.PastMedianTime(stagingArea, model.VirtualBlockHash)
+	if err != nil {
+		return err
+	}
+
+	err = s.transactionValidator.ValidateTransactionInContextIgnoringUTXO(stagingArea, transaction, model.VirtualBlockHash, virtualPastMedianTime)
 	if err != nil {
 		return err
 	}
@@ -281,13 +286,15 @@ func (s *consensus) GetBlockInfo(blockHash *externalapi.DomainHash) (*externalap
 
 	blockInfo.BlueScore = ghostdagData.BlueScore()
 	blockInfo.BlueWork = ghostdagData.BlueWork()
+	blockInfo.SelectedParent = ghostdagData.SelectedParent()
+	blockInfo.MergeSetBlues = ghostdagData.MergeSetBlues()
+	blockInfo.MergeSetReds = ghostdagData.MergeSetReds()
 
 	return blockInfo, nil
 }
 
 func (s *consensus) GetBlockRelations(blockHash *externalapi.DomainHash) (
-	parents []*externalapi.DomainHash, selectedParent *externalapi.DomainHash,
-	children []*externalapi.DomainHash, err error) {
+	parents []*externalapi.DomainHash, children []*externalapi.DomainHash, err error) {
 
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -296,15 +303,10 @@ func (s *consensus) GetBlockRelations(blockHash *externalapi.DomainHash) (
 
 	blockRelation, err := s.blockRelationStores[0].BlockRelation(s.databaseContext, stagingArea, blockHash)
 	if err != nil {
-		return nil, nil, nil, err
+		return nil, nil, err
 	}
 
-	blockGHOSTDAGData, err := s.ghostdagDataStores[0].Get(s.databaseContext, stagingArea, blockHash, false)
-	if err != nil {
-		return nil, nil, nil, err
-	}
-
-	return blockRelation.Parents, blockGHOSTDAGData.SelectedParent(), blockRelation.Children, nil
+	return blockRelation.Parents, blockRelation.Children, nil
 }
 
 func (s *consensus) GetBlockAcceptanceData(blockHash *externalapi.DomainHash) (externalapi.AcceptanceData, error) {
@@ -713,26 +715,13 @@ func (s *consensus) PopulateMass(transaction *externalapi.DomainTransaction) {
 	s.transactionValidator.PopulateMass(transaction)
 }
 
-func (s *consensus) ResolveVirtual() error {
+func (s *consensus) ResolveVirtual() (*externalapi.VirtualChangeSet, bool, error) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
 	// In order to prevent a situation that the consensus lock is held for too much time, we
 	// release the lock each time resolve 100 blocks.
-	for {
-		var isCompletelyResolved bool
-		var err error
-		func() {
-			s.lock.Lock()
-			defer s.lock.Unlock()
-
-			isCompletelyResolved, err = s.consensusStateManager.ResolveVirtual(100)
-		}()
-		if err != nil {
-			return err
-		}
-
-		if isCompletelyResolved {
-			return nil
-		}
-	}
+	return s.consensusStateManager.ResolveVirtual(100)
 }
 
 func (s *consensus) BuildPruningPointProof() (*externalapi.PruningPointProof, error) {
@@ -746,20 +735,102 @@ func (s *consensus) ValidatePruningPointProof(pruningPointProof *externalapi.Pru
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	return s.pruningProofManager.ValidatePruningPointProof(pruningPointProof)
+	log.Infof("Validating the pruning point proof")
+	err := s.pruningProofManager.ValidatePruningPointProof(pruningPointProof)
+	if err != nil {
+		return err
+	}
+
+	log.Infof("Done validating the pruning point proof")
+	return nil
 }
 
 func (s *consensus) ApplyPruningPointProof(pruningPointProof *externalapi.PruningPointProof) error {
-	stagingArea := model.NewStagingArea()
-	err := s.pruningProofManager.ApplyPruningPointProof(stagingArea, pruningPointProof)
-	if err != nil {
-		return err
-	}
-
-	err = staging.CommitAllChanges(s.databaseContext, stagingArea)
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	log.Infof("Applying the pruning point proof")
+	err := s.pruningProofManager.ApplyPruningPointProof(pruningPointProof)
 	if err != nil {
 		return err
 	}
 
+	log.Infof("Done applying the pruning point proof")
 	return nil
 }
+
+func (s *consensus) BlockDAAWindowHashes(blockHash *externalapi.DomainHash) ([]*externalapi.DomainHash, error) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	stagingArea := model.NewStagingArea()
+	return s.dagTraversalManager.DAABlockWindow(stagingArea, blockHash)
+}
+
+func (s *consensus) TrustedDataDataDAAHeader(trustedBlockHash, daaBlockHash *externalapi.DomainHash, daaBlockWindowIndex uint64) (*externalapi.TrustedDataDataDAAHeader, error) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	stagingArea := model.NewStagingArea()
+	header, err := s.blockHeaderStore.BlockHeader(s.databaseContext, stagingArea, daaBlockHash)
+	if err != nil {
+		return nil, err
+	}
+
+	ghostdagData, err := s.ghostdagDataStores[0].Get(s.databaseContext, stagingArea, daaBlockHash, false)
+	isNotFoundError := database.IsNotFoundError(err)
+	if !isNotFoundError && err != nil {
+		return nil, err
+	}
+
+	if !isNotFoundError {
+		return &externalapi.TrustedDataDataDAAHeader{
+			Header:       header,
+			GHOSTDAGData: ghostdagData,
+		}, nil
+	}
+
+	ghostdagDataHashPair, err := s.blocksWithTrustedDataDAAWindowStore.DAAWindowBlock(s.databaseContext, stagingArea, trustedBlockHash, daaBlockWindowIndex)
+	if err != nil {
+		return nil, err
+	}
+
+	return &externalapi.TrustedDataDataDAAHeader{
+		Header:       header,
+		GHOSTDAGData: ghostdagDataHashPair.GHOSTDAGData,
+	}, nil
+}
+
+func (s *consensus) TrustedBlockAssociatedGHOSTDAGDataBlockHashes(blockHash *externalapi.DomainHash) ([]*externalapi.DomainHash, error) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	return s.pruningManager.TrustedBlockAssociatedGHOSTDAGDataBlockHashes(model.NewStagingArea(), blockHash)
+}
+
+func (s *consensus) TrustedGHOSTDAGData(blockHash *externalapi.DomainHash) (*externalapi.BlockGHOSTDAGData, error) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	stagingArea := model.NewStagingArea()
+	ghostdagData, err := s.ghostdagDataStores[0].Get(s.databaseContext, stagingArea, blockHash, false)
+	isNotFoundError := database.IsNotFoundError(err)
+	if isNotFoundError || ghostdagData.SelectedParent().Equal(model.VirtualGenesisBlockHash) {
+		return s.ghostdagDataStores[0].Get(s.databaseContext, stagingArea, blockHash, true)
+	}
+
+	return ghostdagData, nil
+}
+
+func (s *consensus) IsChainBlock(blockHash *externalapi.DomainHash) (bool, error) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	stagingArea := model.NewStagingArea()
+	virtualGHOSTDAGData, err := s.ghostdagDataStores[0].Get(s.databaseContext, stagingArea, model.VirtualBlockHash, false)
+	if err != nil {
+		return false, err
+	}
+
+	return s.dagTopologyManagers[0].IsInSelectedParentChainOf(stagingArea, blockHash, virtualGHOSTDAGData.SelectedParent())
+}