Use go-secp256k1 v0.0.5 (#1640)

* Replace BlockMessage with RpcBlock in rpc.proto.

* Convert everything in kaspad to use RPCBlocks and fix tests.

* Fix compilation errors in stability tests and the miner.

* Update TransactionVerboseData in rpc.proto.

* Update TransactionVerboseData in the rest of kaspad.

* Make golint happy.

* Include RpcTransactionVerboseData in RpcTransaction instead of the other way around.

* Regenerate rpc.pb.go after merge.

* Update appmessage types.

* Update appmessage request and response types.

* Reimplement conversion functions between appmessage.RPCTransaction and protowire.RpcTransaction.

* Extract RpcBlockHeader toAppMessage/fromAppMessage out of RpcBlock.

* Fix compilation errors in getBlock, getBlocks, and submitBlock.

* Fix compilation errors in getMempoolEntry.

* Fix compilation errors in notifyBlockAdded.

* Update verbosedata.go.

* Fix compilation errors in getBlock and getBlocks.

* Fix compilation errors in getBlocks tests.

* Fix conversions between getBlocks message types.

* Fix integration tests.

* Fix a comment.

* Add selectedParent to the verbose block response.

.github/workflows/go-deploy.yml

@@ -0,0 +1,77 @@
+name: Build and Upload assets
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+    name: Building For ${{ matrix.os }}
+    steps:
+      - name: Fix windows CRLF
+        run: git config --global core.autocrlf false
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      # We need to increase the page size because the tests run out of memory on github CI windows.
+      # Use the powershell script from this github action: https://github.com/al-cheb/configure-pagefile-action/blob/master/scripts/SetPageFileSize.ps1
+      # MIT License (MIT) Copyright (c) 2020 Maxim Lobanov and contributors
+      - name: Increase page size on windows
+        if: runner.os == 'Windows'
+        shell: powershell
+        run: powershell -command .\.github\workflows\SetPageFileSize.ps1
+
+
+      - name: Set up Go 1.x
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+
+      - name: Build on linux
+        if: runner.os == 'Linux'
+        # `-extldflags=-static` - means static link everything, `-tags netgo,osusergo` means use pure go replacements for "os/user" and "net"
+        # `-s -w` strips the binary to produce smaller size binaries
+        run: |
+          go build -v -ldflags="-s -w -extldflags=-static" -tags netgo,osusergo -o ./bin/ ./...
+          archive="bin/kaspad-${{ github.event.release.tag_name }}-linux.zip"
+          asset_name="kaspad-${{ github.event.release.tag_name }}-linux.zip"
+          zip -r "${archive}" ./bin/*
+          echo "archive=${archive}" >> $GITHUB_ENV
+          echo "asset_name=${asset_name}" >> $GITHUB_ENV
+
+      - name: Build on Windows
+        if: runner.os == 'Windows'
+        shell: bash
+        run: |
+          go build -v -ldflags="-s -w" -o bin/ ./...
+          archive="bin/kaspad-${{ github.event.release.tag_name }}-win64.zip"
+          asset_name="kaspad-${{ github.event.release.tag_name }}-win64.zip"
+          powershell "Compress-Archive bin/* \"${archive}\""
+          echo "archive=${archive}" >> $GITHUB_ENV
+          echo "asset_name=${asset_name}" >> $GITHUB_ENV
+
+      - name: Build on MacOS
+        if: runner.os == 'macOS'
+        run: |
+          go build -v -ldflags="-s -w" -o ./bin/ ./...
+          archive="bin/kaspad-${{ github.event.release.tag_name }}-osx.zip"
+          asset_name="kaspad-${{ github.event.release.tag_name }}-osx.zip"
+          zip -r "${archive}" ./bin/*
+          echo "archive=${archive}" >> $GITHUB_ENV
+          echo "asset_name=${asset_name}" >> $GITHUB_ENV
+
+
+      - name: Upload Release Asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ github.event.release.upload_url }}
+          asset_path: "./${{ env.archive }}"
+          asset_name: "${{ env.asset_name }}"
+          asset_content_type: application/zip

.github/workflows/go-race.yml

@@ -0,0 +1,49 @@
+name: Go-Race
+
+on:
+  schedule:
+    - cron: "0 0 * * *"
+  workflow_dispatch:
+
+jobs:
+  race_test:
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+      matrix:
+        branch: [ master, latest ]
+    name: Race detection on ${{ matrix.branch }}
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go 1.x
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+
+      - name: Set scheduled branch name
+        shell: bash
+        if: github.event_name == 'schedule'
+        run: |
+          if [ "${{ matrix.branch }}" == "master" ]; then
+            echo "run_on=master" >> $GITHUB_ENV
+          fi
+          if [ "${{ matrix.branch }}" == "latest" ]; then
+            branch=$(git branch -r | grep 'v\([0-9]\+\.\)\([0-9]\+\.\)\([0-9]\+\)-dev' | sort -Vr | head -1 | xargs)
+            echo "run_on=${branch}" >> $GITHUB_ENV
+          fi
+
+      - name: Set manual branch name
+        shell: bash
+        if: github.event_name == 'workflow_dispatch'
+        run: echo "run_on=${{ github.ref }}" >> $GITHUB_ENV
+
+      - name: Test with race detector
+        shell: bash
+        run: |
+          git checkout "${{ env.run_on }}"
+          git status
+          go test -race ./...

.github/workflows/go.yml

@@ -11,6 +11,7 @@ jobs:
   build:
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [ ubuntu-16.04, macos-10.15 ]
     name: Testing on on ${{ matrix.os }}
@@ -34,7 +35,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
 
 
       # Source: https://github.com/actions/cache/blob/main/examples.md#go---modules
@@ -48,7 +49,7 @@ jobs:
 
       - name: Test
         shell: bash
-        run: ./build_and_test.sh
+        run: ./build_and_test.sh -v
 
   coverage:
     runs-on: ubuntu-20.04
@@ -60,10 +61,13 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
+
+      - name: Delete the stability tests from coverage
+        run: rm -r stability-tests
 
       - name: Create coverage file
-        run: go test -covermode=atomic -coverpkg=./... -coverprofile coverage.txt ./...
+        run: go test -v -covermode=atomic -coverpkg=./... -coverprofile coverage.txt ./...
 
       - name: Upload coverage file
         run: bash <(curl -s https://codecov.io/bash)

README.md

@@ -18,7 +18,7 @@ Kaspa is an attempt at a proof-of-work cryptocurrency with instant confirmations
 
 ## Requirements
 
-Go 1.15 or later.
+Go 1.16 or later.
 
 ## Installation
 
@@ -56,7 +56,7 @@ $ kaspad
 ```
 
 ## Discord
-Join our discord server using the following link: https://discord.gg/WmGhhzk
+Join our discord server using the following link: https://discord.gg/YNYnNN5Pf2
 
 ## Issue Tracker
 
@@ -65,7 +65,7 @@ is used for this project.
 
 ## Documentation
 
-The documentation is a work-in-progress.
+The [documentation](https://github.com/kaspanet/docs) is a work-in-progress
 
 ## License
 

app/app.go

@@ -7,19 +7,17 @@ import (
 	"runtime"
 	"time"
 
+	"github.com/kaspanet/kaspad/infrastructure/config"
 	"github.com/kaspanet/kaspad/infrastructure/db/database"
 	"github.com/kaspanet/kaspad/infrastructure/db/database/ldb"
-
-	"github.com/kaspanet/kaspad/infrastructure/os/signal"
-	"github.com/kaspanet/kaspad/util/profiling"
-	"github.com/kaspanet/kaspad/version"
-
-	"github.com/kaspanet/kaspad/util/panics"
-
-	"github.com/kaspanet/kaspad/infrastructure/config"
+	"github.com/kaspanet/kaspad/infrastructure/logger"
 	"github.com/kaspanet/kaspad/infrastructure/os/execenv"
 	"github.com/kaspanet/kaspad/infrastructure/os/limits"
+	"github.com/kaspanet/kaspad/infrastructure/os/signal"
 	"github.com/kaspanet/kaspad/infrastructure/os/winservice"
+	"github.com/kaspanet/kaspad/util/panics"
+	"github.com/kaspanet/kaspad/util/profiling"
+	"github.com/kaspanet/kaspad/version"
 )
 
 const leveldbCacheSizeMiB = 256
@@ -51,6 +49,7 @@ func StartApp() error {
 		fmt.Fprintln(os.Stderr, err)
 		return err
 	}
+	defer logger.BackendLog.Close()
 	defer panics.HandlePanic(log, "MAIN", nil)
 
 	app := &kaspadApp{cfg: cfg}
@@ -172,7 +171,7 @@ func doUpgrades() error {
 
 // dbPath returns the path to the block database given a database type.
 func databasePath(cfg *config.Config) string {
-	return filepath.Join(cfg.DataDir, "db")
+	return filepath.Join(cfg.AppDir, "data")
 }
 
 func removeDatabase(cfg *config.Config) error {

app/appmessage/domainconverters.go

@@ -3,6 +3,7 @@ package appmessage
 import (
 	"encoding/hex"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/blockheader"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/utxo"
 
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
@@ -83,7 +84,6 @@ func DomainTransactionToMsgTx(domainTransaction *externalapi.DomainTransaction)
 		LockTime:     domainTransaction.LockTime,
 		SubnetworkID: domainTransaction.SubnetworkID,
 		Gas:          domainTransaction.Gas,
-		PayloadHash:  domainTransaction.PayloadHash,
 		Payload:      domainTransaction.Payload,
 	}
 }
@@ -133,7 +133,6 @@ func MsgTxToDomainTransaction(msgTx *MsgTx) *externalapi.DomainTransaction {
 		LockTime:     msgTx.LockTime,
 		SubnetworkID: msgTx.SubnetworkID,
 		Gas:          msgTx.Gas,
-		PayloadHash:  msgTx.PayloadHash,
 		Payload:      payload,
 	}
 }
@@ -164,11 +163,7 @@ func outpointToDomainOutpoint(outpoint *Outpoint) *externalapi.DomainOutpoint {
 func RPCTransactionToDomainTransaction(rpcTransaction *RPCTransaction) (*externalapi.DomainTransaction, error) {
 	inputs := make([]*externalapi.DomainTransactionInput, len(rpcTransaction.Inputs))
 	for i, input := range rpcTransaction.Inputs {
-		transactionIDBytes, err := hex.DecodeString(input.PreviousOutpoint.TransactionID)
-		if err != nil {
-			return nil, err
-		}
-		transactionID, err := transactionid.FromBytes(transactionIDBytes)
+		transactionID, err := transactionid.FromString(input.PreviousOutpoint.TransactionID)
 		if err != nil {
 			return nil, err
 		}
@@ -198,19 +193,7 @@ func RPCTransactionToDomainTransaction(rpcTransaction *RPCTransaction) (*externa
 		}
 	}
 
-	subnetworkIDBytes, err := hex.DecodeString(rpcTransaction.SubnetworkID)
-	if err != nil {
-		return nil, err
-	}
-	subnetworkID, err := subnetworks.FromBytes(subnetworkIDBytes)
-	if err != nil {
-		return nil, err
-	}
-	payloadHashBytes, err := hex.DecodeString(rpcTransaction.PayloadHash)
-	if err != nil {
-		return nil, err
-	}
-	payloadHash, err := externalapi.NewDomainHashFromByteSlice(payloadHashBytes)
+	subnetworkID, err := subnetworks.FromString(rpcTransaction.SubnetworkID)
 	if err != nil {
 		return nil, err
 	}
@@ -226,7 +209,6 @@ func RPCTransactionToDomainTransaction(rpcTransaction *RPCTransaction) (*externa
 		LockTime:     rpcTransaction.LockTime,
 		SubnetworkID: *subnetworkID,
 		Gas:          rpcTransaction.LockTime,
-		PayloadHash:  *payloadHash,
 		Payload:      payload,
 	}, nil
 }
@@ -255,8 +237,7 @@ func DomainTransactionToRPCTransaction(transaction *externalapi.DomainTransactio
 			ScriptPublicKey: &RPCScriptPublicKey{Script: scriptPublicKey, Version: output.ScriptPublicKey.Version},
 		}
 	}
-	subnetworkID := hex.EncodeToString(transaction.SubnetworkID[:])
-	payloadHash := transaction.PayloadHash.String()
+	subnetworkID := transaction.SubnetworkID.String()
 	payload := hex.EncodeToString(transaction.Payload)
 	return &RPCTransaction{
 		Version:      transaction.Version,
@@ -265,7 +246,6 @@ func DomainTransactionToRPCTransaction(transaction *externalapi.DomainTransactio
 		LockTime:     transaction.LockTime,
 		SubnetworkID: subnetworkID,
 		Gas:          transaction.LockTime,
-		PayloadHash:  payloadHash,
 		Payload:      payload,
 	}
 }
@@ -286,7 +266,7 @@ func OutpointAndUTXOEntryPairsToDomainOutpointAndUTXOEntryPairs(
 				outpointAndUTXOEntryPair.UTXOEntry.Amount,
 				outpointAndUTXOEntryPair.UTXOEntry.ScriptPublicKey,
 				outpointAndUTXOEntryPair.UTXOEntry.IsCoinbase,
-				outpointAndUTXOEntryPair.UTXOEntry.BlockBlueScore,
+				outpointAndUTXOEntryPair.UTXOEntry.BlockDAAScore,
 			),
 		}
 	}
@@ -309,9 +289,76 @@ func DomainOutpointAndUTXOEntryPairsToOutpointAndUTXOEntryPairs(
 				Amount:          outpointAndUTXOEntryPair.UTXOEntry.Amount(),
 				ScriptPublicKey: outpointAndUTXOEntryPair.UTXOEntry.ScriptPublicKey(),
 				IsCoinbase:      outpointAndUTXOEntryPair.UTXOEntry.IsCoinbase(),
-				BlockBlueScore:  outpointAndUTXOEntryPair.UTXOEntry.BlockBlueScore(),
+				BlockDAAScore:   outpointAndUTXOEntryPair.UTXOEntry.BlockDAAScore(),
 			},
 		}
 	}
 	return domainOutpointAndUTXOEntryPairs
 }
+
+// DomainBlockToRPCBlock converts DomainBlocks to RPCBlocks
+func DomainBlockToRPCBlock(block *externalapi.DomainBlock) *RPCBlock {
+	header := &RPCBlockHeader{
+		Version:              uint32(block.Header.Version()),
+		ParentHashes:         hashes.ToStrings(block.Header.ParentHashes()),
+		HashMerkleRoot:       block.Header.HashMerkleRoot().String(),
+		AcceptedIDMerkleRoot: block.Header.AcceptedIDMerkleRoot().String(),
+		UTXOCommitment:       block.Header.UTXOCommitment().String(),
+		Timestamp:            block.Header.TimeInMilliseconds(),
+		Bits:                 block.Header.Bits(),
+		Nonce:                block.Header.Nonce(),
+	}
+	transactions := make([]*RPCTransaction, len(block.Transactions))
+	for i, transaction := range block.Transactions {
+		transactions[i] = DomainTransactionToRPCTransaction(transaction)
+	}
+	return &RPCBlock{
+		Header:       header,
+		Transactions: transactions,
+	}
+}
+
+// RPCBlockToDomainBlock converts `block` into a DomainBlock
+func RPCBlockToDomainBlock(block *RPCBlock) (*externalapi.DomainBlock, error) {
+	parentHashes := make([]*externalapi.DomainHash, len(block.Header.ParentHashes))
+	for i, parentHash := range block.Header.ParentHashes {
+		domainParentHashes, err := externalapi.NewDomainHashFromString(parentHash)
+		if err != nil {
+			return nil, err
+		}
+		parentHashes[i] = domainParentHashes
+	}
+	hashMerkleRoot, err := externalapi.NewDomainHashFromString(block.Header.HashMerkleRoot)
+	if err != nil {
+		return nil, err
+	}
+	acceptedIDMerkleRoot, err := externalapi.NewDomainHashFromString(block.Header.AcceptedIDMerkleRoot)
+	if err != nil {
+		return nil, err
+	}
+	utxoCommitment, err := externalapi.NewDomainHashFromString(block.Header.UTXOCommitment)
+	if err != nil {
+		return nil, err
+	}
+	header := blockheader.NewImmutableBlockHeader(
+		uint16(block.Header.Version),
+		parentHashes,
+		hashMerkleRoot,
+		acceptedIDMerkleRoot,
+		utxoCommitment,
+		block.Header.Timestamp,
+		block.Header.Bits,
+		block.Header.Nonce)
+	transactions := make([]*externalapi.DomainTransaction, len(block.Transactions))
+	for i, transaction := range block.Transactions {
+		domainTransaction, err := RPCTransactionToDomainTransaction(transaction)
+		if err != nil {
+			return nil, err
+		}
+		transactions[i] = domainTransaction
+	}
+	return &externalapi.DomainBlock{
+		Header:       header,
+		Transactions: transactions,
+	}, nil
+}

app/appmessage/message.go

@@ -117,6 +117,8 @@ const (
 	CmdNotifyUTXOsChangedRequestMessage
 	CmdNotifyUTXOsChangedResponseMessage
 	CmdUTXOsChangedNotificationMessage
+	CmdStopNotifyingUTXOsChangedRequestMessage
+	CmdStopNotifyingUTXOsChangedResponseMessage
 	CmdGetUTXOsByAddressesRequestMessage
 	CmdGetUTXOsByAddressesResponseMessage
 	CmdGetVirtualSelectedParentBlueScoreRequestMessage
@@ -130,6 +132,11 @@ const (
 	CmdUnbanResponseMessage
 	CmdGetInfoRequestMessage
 	CmdGetInfoResponseMessage
+	CmdNotifyPruningPointUTXOSetOverrideRequestMessage
+	CmdNotifyPruningPointUTXOSetOverrideResponseMessage
+	CmdPruningPointUTXOSetOverrideNotificationMessage
+	CmdStopNotifyingPruningPointUTXOSetOverrideRequestMessage
+	CmdStopNotifyingPruningPointUTXOSetOverrideResponseMessage
 )
 
 // ProtocolMessageCommandToString maps all MessageCommands to their string representation
@@ -221,6 +228,8 @@ var RPCMessageCommandToString = map[MessageCommand]string{
 	CmdNotifyUTXOsChangedRequestMessage:                           "NotifyUTXOsChangedRequest",
 	CmdNotifyUTXOsChangedResponseMessage:                          "NotifyUTXOsChangedResponse",
 	CmdUTXOsChangedNotificationMessage:                            "UTXOsChangedNotification",
+	CmdStopNotifyingUTXOsChangedRequestMessage:                    "StopNotifyingUTXOsChangedRequest",
+	CmdStopNotifyingUTXOsChangedResponseMessage:                   "StopNotifyingUTXOsChangedResponse",
 	CmdGetUTXOsByAddressesRequestMessage:                          "GetUTXOsByAddressesRequest",
 	CmdGetUTXOsByAddressesResponseMessage:                         "GetUTXOsByAddressesResponse",
 	CmdGetVirtualSelectedParentBlueScoreRequestMessage:            "GetVirtualSelectedParentBlueScoreRequest",
@@ -232,8 +241,13 @@ var RPCMessageCommandToString = map[MessageCommand]string{
 	CmdBanResponseMessage:                                         "BanResponse",
 	CmdUnbanRequestMessage:                                        "UnbanRequest",
 	CmdUnbanResponseMessage:                                       "UnbanResponse",
-	CmdGetInfoRequestMessage:                                      "GetInfoRequestMessage",
-	CmdGetInfoResponseMessage:                                     "GeInfoResponseMessage",
+	CmdGetInfoRequestMessage:                                      "GetInfoRequest",
+	CmdGetInfoResponseMessage:                                     "GeInfoResponse",
+	CmdNotifyPruningPointUTXOSetOverrideRequestMessage:            "NotifyPruningPointUTXOSetOverrideRequest",
+	CmdNotifyPruningPointUTXOSetOverrideResponseMessage:           "NotifyPruningPointUTXOSetOverrideResponse",
+	CmdPruningPointUTXOSetOverrideNotificationMessage:             "PruningPointUTXOSetOverrideNotification",
+	CmdStopNotifyingPruningPointUTXOSetOverrideRequestMessage:     "StopNotifyingPruningPointUTXOSetOverrideRequest",
+	CmdStopNotifyingPruningPointUTXOSetOverrideResponseMessage:    "StopNotifyingPruningPointUTXOSetOverrideResponse",
 }
 
 // Message is an interface that describes a kaspa message. A type that

app/appmessage/p2p_msgblock.go

@@ -15,19 +15,6 @@ import (
 // backing array multiple times.
 const defaultTransactionAlloc = 2048
 
-// MaxMassAcceptedByBlock is the maximum total transaction mass a block may accept.
-const MaxMassAcceptedByBlock = 10000000
-
-// MaxMassPerTx is the maximum total mass a transaction may have.
-const MaxMassPerTx = MaxMassAcceptedByBlock / 2
-
-// MaxTxPerBlock is the maximum number of transactions that could
-// possibly fit into a block.
-const MaxTxPerBlock = (MaxMassAcceptedByBlock / minTxPayload) + 1
-
-// MaxBlockParents is the maximum allowed number of parents for block.
-const MaxBlockParents = 10
-
 // TxLoc holds locator data for the offset and length of where a transaction is
 // located within a MsgBlock data buffer.
 type TxLoc struct {

app/appmessage/p2p_msgblockheader_test.go

@@ -11,15 +11,11 @@ import (
 	"github.com/davecgh/go-spew/spew"
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
 	"github.com/kaspanet/kaspad/util/mstime"
-	"github.com/kaspanet/kaspad/util/random"
 )
 
 // TestBlockHeader tests the MsgBlockHeader API.
 func TestBlockHeader(t *testing.T) {
-	nonce, err := random.Uint64()
-	if err != nil {
-		t.Errorf("random.Uint64: Error generating nonce: %v", err)
-	}
+	nonce := uint64(0xba4d87a69924a93d)
 
 	hashes := []*externalapi.DomainHash{mainnetGenesisHash, simnetGenesisHash}
 

app/appmessage/p2p_msgping_test.go

@@ -6,17 +6,12 @@ package appmessage
 
 import (
 	"testing"
-
-	"github.com/kaspanet/kaspad/util/random"
 )
 
 // TestPing tests the MsgPing API against the latest protocol version.
 func TestPing(t *testing.T) {
 	// Ensure we get the same nonce back out.
-	nonce, err := random.Uint64()
-	if err != nil {
-		t.Errorf("random.Uint64: Error generating nonce: %v", err)
-	}
+	nonce := uint64(0x61c2c5535902862)
 	msg := NewMsgPing(nonce)
 	if msg.Nonce != nonce {
 		t.Errorf("NewMsgPing: wrong nonce - got %v, want %v",

app/appmessage/p2p_msgpong_test.go

@@ -6,16 +6,11 @@ package appmessage
 
 import (
 	"testing"
-
-	"github.com/kaspanet/kaspad/util/random"
 )
 
 // TestPongLatest tests the MsgPong API against the latest protocol version.
 func TestPongLatest(t *testing.T) {
-	nonce, err := random.Uint64()
-	if err != nil {
-		t.Errorf("random.Uint64: error generating nonce: %v", err)
-	}
+	nonce := uint64(0x1a05b581a5182c)
 	msg := NewMsgPong(nonce)
 	if msg.Nonce != nonce {
 		t.Errorf("NewMsgPong: wrong nonce - got %v, want %v",

app/appmessage/p2p_msgpruningpointutxosetchunk.go

@@ -31,6 +31,6 @@ type OutpointAndUTXOEntryPair struct {
 type UTXOEntry struct {
 	Amount          uint64
 	ScriptPublicKey *externalapi.ScriptPublicKey
-	BlockBlueScore  uint64
+	BlockDAAScore   uint64
 	IsCoinbase      bool
 }

app/appmessage/p2p_msgtx.go

@@ -6,7 +6,6 @@ package appmessage
 
 import (
 	"encoding/binary"
-	"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
 	"strconv"
 
 	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
@@ -133,7 +132,6 @@ type MsgTx struct {
 	LockTime     uint64
 	SubnetworkID externalapi.DomainSubnetworkID
 	Gas          uint64
-	PayloadHash  externalapi.DomainHash
 	Payload      []byte
 }
 
@@ -179,7 +177,6 @@ func (msg *MsgTx) Copy() *MsgTx {
 		LockTime:     msg.LockTime,
 		SubnetworkID: msg.SubnetworkID,
 		Gas:          msg.Gas,
-		PayloadHash:  msg.PayloadHash,
 	}
 
 	if msg.Payload != nil {
@@ -280,18 +277,12 @@ func newMsgTx(version uint16, txIn []*TxIn, txOut []*TxOut, subnetworkID *extern
 		txOut = make([]*TxOut, 0, defaultTxInOutAlloc)
 	}
 
-	var payloadHash externalapi.DomainHash
-	if *subnetworkID != subnetworks.SubnetworkIDNative {
-		payloadHash = *hashes.PayloadHash(payload)
-	}
-
 	return &MsgTx{
 		Version:      version,
 		TxIn:         txIn,
 		TxOut:        txOut,
 		SubnetworkID: *subnetworkID,
 		Gas:          gas,
-		PayloadHash:  payloadHash,
 		Payload:      payload,
 		LockTime:     lockTime,
 	}

app/appmessage/p2p_msgtx_test.go

@@ -133,8 +133,8 @@ func TestTx(t *testing.T) {
 
 // TestTxHash tests the ability to generate the hash of a transaction accurately.
 func TestTxHashAndID(t *testing.T) {
-	txHash1Str := "4bee9ee495bd93a755de428376bd582a2bb6ec37c041753b711c0606d5745c13"
-	txID1Str := "f868bd20e816256b80eac976821be4589d24d21141bd1cec6e8005d0c16c6881"
+	txHash1Str := "93663e597f6c968d32d229002f76408edf30d6a0151ff679fc729812d8cb2acc"
+	txID1Str := "24079c6d2bdf602fc389cc307349054937744a9c8dc0f07c023e6af0e949a4e7"
 	wantTxID1, err := transactionid.FromString(txID1Str)
 	if err != nil {
 		t.Fatalf("NewTxIDFromStr: %v", err)
@@ -185,14 +185,14 @@ func TestTxHashAndID(t *testing.T) {
 			spew.Sprint(tx1ID), spew.Sprint(wantTxID1))
 	}
 
-	hash2Str := "cb1bdb4a83d4885535fb3cceb5c96597b7df903db83f0ffcd779d703affd8efd"
+	hash2Str := "8dafd1bec24527d8e3b443ceb0a3b92fffc0d60026317f890b2faf5e9afc177a"
 	wantHash2, err := externalapi.NewDomainHashFromString(hash2Str)
 	if err != nil {
 		t.Errorf("NewTxIDFromStr: %v", err)
 		return
 	}
 
-	id2Str := "ca080073d4ddf5b84443a0964af633f3c70a5b290fd3bc35a7e6f93fd33f9330"
+	id2Str := "89ffb49474637502d9059af38b8a95fc2f0d3baef5c801d7a9b9c8830671b711"
 	wantID2, err := transactionid.FromString(id2Str)
 	if err != nil {
 		t.Errorf("NewTxIDFromStr: %v", err)

app/appmessage/p2p_msgversion_test.go

@@ -19,7 +19,7 @@ func TestVersion(t *testing.T) {
 
 	// Create version message data.
 	tcpAddrMe := &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 16111}
-	me := NewNetAddress(tcpAddrMe, SFNodeNetwork)
+	me := NewNetAddress(tcpAddrMe)
 	generatedID, err := id.GenerateID()
 	if err != nil {
 		t.Fatalf("id.GenerateID: %s", err)

app/appmessage/p2p_netaddress.go

@@ -15,9 +15,6 @@ type NetAddress struct {
 	// Last time the address was seen.
 	Timestamp mstime.Time
 
-	// Bitfield which identifies the services supported by the address.
-	Services ServiceFlag
-
 	// IP address of the peer.
 	IP net.IP
 
@@ -26,17 +23,6 @@ type NetAddress struct {
 	Port uint16
 }
 
-// HasService returns whether the specified service is supported by the address.
-func (na *NetAddress) HasService(service ServiceFlag) bool {
-	return na.Services&service == service
-}
-
-// AddService adds service as a supported service by the peer generating the
-// message.
-func (na *NetAddress) AddService(service ServiceFlag) {
-	na.Services |= service
-}
-
 // TCPAddress converts the NetAddress to *net.TCPAddr
 func (na *NetAddress) TCPAddress() *net.TCPAddr {
 	return &net.TCPAddr{
@@ -47,20 +33,19 @@ func (na *NetAddress) TCPAddress() *net.TCPAddr {
 
 // NewNetAddressIPPort returns a new NetAddress using the provided IP, port, and
 // supported services with defaults for the remaining fields.
-func NewNetAddressIPPort(ip net.IP, port uint16, services ServiceFlag) *NetAddress {
-	return NewNetAddressTimestamp(mstime.Now(), services, ip, port)
+func NewNetAddressIPPort(ip net.IP, port uint16) *NetAddress {
+	return NewNetAddressTimestamp(mstime.Now(), ip, port)
 }
 
 // NewNetAddressTimestamp returns a new NetAddress using the provided
 // timestamp, IP, port, and supported services. The timestamp is rounded to
 // single millisecond precision.
 func NewNetAddressTimestamp(
-	timestamp mstime.Time, services ServiceFlag, ip net.IP, port uint16) *NetAddress {
+	timestamp mstime.Time, ip net.IP, port uint16) *NetAddress {
 	// Limit the timestamp to one millisecond precision since the protocol
 	// doesn't support better.
 	na := NetAddress{
 		Timestamp: timestamp,
-		Services:  services,
 		IP:        ip,
 		Port:      port,
 	}
@@ -69,6 +54,6 @@ func NewNetAddressTimestamp(
 
 // NewNetAddress returns a new NetAddress using the provided TCP address and
 // supported services with defaults for the remaining fields.
-func NewNetAddress(addr *net.TCPAddr, services ServiceFlag) *NetAddress {
-	return NewNetAddressIPPort(addr.IP, uint16(addr.Port), services)
+func NewNetAddress(addr *net.TCPAddr) *NetAddress {
+	return NewNetAddressIPPort(addr.IP, uint16(addr.Port))
 }

app/appmessage/p2p_netaddress_test.go

@@ -15,7 +15,7 @@ func TestNetAddress(t *testing.T) {
 	port := 16111
 
 	// Test NewNetAddress.
-	na := NewNetAddress(&net.TCPAddr{IP: ip, Port: port}, 0)
+	na := NewNetAddress(&net.TCPAddr{IP: ip, Port: port})
 
 	// Ensure we get the same ip, port, and services back out.
 	if !na.IP.Equal(ip) {
@@ -25,21 +25,4 @@ func TestNetAddress(t *testing.T) {
 		t.Errorf("NetNetAddress: wrong port - got %v, want %v", na.Port,
 			port)
 	}
-	if na.Services != 0 {
-		t.Errorf("NetNetAddress: wrong services - got %v, want %v",
-			na.Services, 0)
-	}
-	if na.HasService(SFNodeNetwork) {
-		t.Errorf("HasService: SFNodeNetwork service is set")
-	}
-
-	// Ensure adding the full service node flag works.
-	na.AddService(SFNodeNetwork)
-	if na.Services != SFNodeNetwork {
-		t.Errorf("AddService: wrong services - got %v, want %v",
-			na.Services, SFNodeNetwork)
-	}
-	if !na.HasService(SFNodeNetwork) {
-		t.Errorf("HasService: SFNodeNetwork service not set")
-	}
 }

app/appmessage/rpc_get_block.go

@@ -25,7 +25,7 @@ func NewGetBlockRequestMessage(hash string, includeTransactionVerboseData bool)
 // its respective RPC message
 type GetBlockResponseMessage struct {
 	baseMessage
-	BlockVerboseData *BlockVerboseData
+	Block *RPCBlock
 
 	Error *RPCError
 }
@@ -39,69 +39,3 @@ func (msg *GetBlockResponseMessage) Command() MessageCommand {
 func NewGetBlockResponseMessage() *GetBlockResponseMessage {
 	return &GetBlockResponseMessage{}
 }
-
-// BlockVerboseData holds verbose data about a block
-type BlockVerboseData struct {
-	Hash                   string
-	Version                uint16
-	VersionHex             string
-	HashMerkleRoot         string
-	AcceptedIDMerkleRoot   string
-	UTXOCommitment         string
-	TxIDs                  []string
-	TransactionVerboseData []*TransactionVerboseData
-	Time                   int64
-	Nonce                  uint64
-	Bits                   string
-	Difficulty             float64
-	ParentHashes           []string
-	SelectedParentHash     string
-	BlueScore              uint64
-	IsHeaderOnly           bool
-}
-
-// TransactionVerboseData holds verbose data about a transaction
-type TransactionVerboseData struct {
-	TxID                      string
-	Hash                      string
-	Size                      uint64
-	Version                   uint16
-	LockTime                  uint64
-	SubnetworkID              string
-	Gas                       uint64
-	PayloadHash               string
-	Payload                   string
-	TransactionVerboseInputs  []*TransactionVerboseInput
-	TransactionVerboseOutputs []*TransactionVerboseOutput
-	BlockHash                 string
-	Time                      uint64
-	BlockTime                 uint64
-}
-
-// TransactionVerboseInput holds data about a transaction input
-type TransactionVerboseInput struct {
-	TxID        string
-	OutputIndex uint32
-	ScriptSig   *ScriptSig
-	Sequence    uint64
-}
-
-// ScriptSig holds data about a script signature
-type ScriptSig struct {
-	Asm string
-	Hex string
-}
-
-// TransactionVerboseOutput holds data about a transaction output
-type TransactionVerboseOutput struct {
-	Value        uint64
-	Index        uint32
-	ScriptPubKey *ScriptPubKeyResult
-}
-
-// ScriptPubKeyResult holds data about a script public key
-type ScriptPubKeyResult struct {
-	Hex     string
-	Type    string
-	Address string
-}

app/appmessage/rpc_get_block_dag_info.go

@@ -27,6 +27,7 @@ type GetBlockDAGInfoResponseMessage struct {
 	VirtualParentHashes []string
 	Difficulty          float64
 	PastMedianTime      int64
+	PruningPointHash    string
 
 	Error *RPCError
 }

app/appmessage/rpc_get_block_template.go

@@ -23,7 +23,7 @@ func NewGetBlockTemplateRequestMessage(payAddress string) *GetBlockTemplateReque
 // its respective RPC message
 type GetBlockTemplateResponseMessage struct {
 	baseMessage
-	MsgBlock *MsgBlock
+	Block    *RPCBlock
 	IsSynced bool
 
 	Error *RPCError
@@ -35,9 +35,9 @@ func (msg *GetBlockTemplateResponseMessage) Command() MessageCommand {
 }
 
 // NewGetBlockTemplateResponseMessage returns a instance of the message
-func NewGetBlockTemplateResponseMessage(msgBlock *MsgBlock, isSynced bool) *GetBlockTemplateResponseMessage {
+func NewGetBlockTemplateResponseMessage(block *RPCBlock, isSynced bool) *GetBlockTemplateResponseMessage {
 	return &GetBlockTemplateResponseMessage{
-		MsgBlock: msgBlock,
+		Block:    block,
 		IsSynced: isSynced,
 	}
 }

app/appmessage/rpc_get_blocks.go

@@ -5,7 +5,7 @@ package appmessage
 type GetBlocksRequestMessage struct {
 	baseMessage
 	LowHash                       string
-	IncludeBlockVerboseData       bool
+	IncludeBlocks                 bool
 	IncludeTransactionVerboseData bool
 }
 
@@ -15,11 +15,11 @@ func (msg *GetBlocksRequestMessage) Command() MessageCommand {
 }
 
 // NewGetBlocksRequestMessage returns a instance of the message
-func NewGetBlocksRequestMessage(lowHash string, includeBlockVerboseData bool,
+func NewGetBlocksRequestMessage(lowHash string, includeBlocks bool,
 	includeTransactionVerboseData bool) *GetBlocksRequestMessage {
 	return &GetBlocksRequestMessage{
 		LowHash:                       lowHash,
-		IncludeBlockVerboseData:       includeBlockVerboseData,
+		IncludeBlocks:                 includeBlocks,
 		IncludeTransactionVerboseData: includeTransactionVerboseData,
 	}
 }
@@ -28,8 +28,8 @@ func NewGetBlocksRequestMessage(lowHash string, includeBlockVerboseData bool,
 // its respective RPC message
 type GetBlocksResponseMessage struct {
 	baseMessage
-	BlockHashes      []string
-	BlockVerboseData []*BlockVerboseData
+	BlockHashes []string
+	Blocks      []*RPCBlock
 
 	Error *RPCError
 }
@@ -40,11 +40,6 @@ func (msg *GetBlocksResponseMessage) Command() MessageCommand {
 }
 
 // NewGetBlocksResponseMessage returns a instance of the message
-func NewGetBlocksResponseMessage(blockHashes []string, blockHexes []string,
-	blockVerboseData []*BlockVerboseData) *GetBlocksResponseMessage {
-
-	return &GetBlocksResponseMessage{
-		BlockHashes:      blockHashes,
-		BlockVerboseData: blockVerboseData,
-	}
+func NewGetBlocksResponseMessage() *GetBlocksResponseMessage {
+	return &GetBlocksResponseMessage{}
 }

app/appmessage/rpc_get_info.go

@@ -20,7 +20,8 @@ func NewGeInfoRequestMessage() *GetInfoRequestMessage {
 // its respective RPC message
 type GetInfoResponseMessage struct {
 	baseMessage
-	P2PID string
+	P2PID       string
+	MempoolSize uint64
 
 	Error *RPCError
 }
@@ -31,8 +32,9 @@ func (msg *GetInfoResponseMessage) Command() MessageCommand {
 }
 
 // NewGetInfoResponseMessage returns a instance of the message
-func NewGetInfoResponseMessage(p2pID string) *GetInfoResponseMessage {
+func NewGetInfoResponseMessage(p2pID string, mempoolSize uint64) *GetInfoResponseMessage {
 	return &GetInfoResponseMessage{
-		P2PID: p2pID,
+		P2PID:       p2pID,
+		MempoolSize: mempoolSize,
 	}
 }

app/appmessage/rpc_get_mempool_entry.go

@@ -28,8 +28,8 @@ type GetMempoolEntryResponseMessage struct {
 
 // MempoolEntry represents a transaction in the mempool.
 type MempoolEntry struct {
-	Fee                    uint64
-	TransactionVerboseData *TransactionVerboseData
+	Fee         uint64
+	Transaction *RPCTransaction
 }
 
 // Command returns the protocol command string for the message
@@ -38,11 +38,11 @@ func (msg *GetMempoolEntryResponseMessage) Command() MessageCommand {
 }
 
 // NewGetMempoolEntryResponseMessage returns a instance of the message
-func NewGetMempoolEntryResponseMessage(fee uint64, transactionVerboseData *TransactionVerboseData) *GetMempoolEntryResponseMessage {
+func NewGetMempoolEntryResponseMessage(fee uint64, transaction *RPCTransaction) *GetMempoolEntryResponseMessage {
 	return &GetMempoolEntryResponseMessage{
 		Entry: &MempoolEntry{
-			Fee:                    fee,
-			TransactionVerboseData: transactionVerboseData,
+			Fee:         fee,
+			Transaction: transaction,
 		},
 	}
 }

app/appmessage/rpc_notify_block_added.go

@@ -37,8 +37,7 @@ func NewNotifyBlockAddedResponseMessage() *NotifyBlockAddedResponseMessage {
 // its respective RPC message
 type BlockAddedNotificationMessage struct {
 	baseMessage
-	Block            *MsgBlock
-	BlockVerboseData *BlockVerboseData
+	Block *RPCBlock
 }
 
 // Command returns the protocol command string for the message
@@ -47,9 +46,8 @@ func (msg *BlockAddedNotificationMessage) Command() MessageCommand {
 }
 
 // NewBlockAddedNotificationMessage returns a instance of the message
-func NewBlockAddedNotificationMessage(block *MsgBlock, blockVerboseData *BlockVerboseData) *BlockAddedNotificationMessage {
+func NewBlockAddedNotificationMessage(block *RPCBlock) *BlockAddedNotificationMessage {
 	return &BlockAddedNotificationMessage{
-		Block:            block,
-		BlockVerboseData: blockVerboseData,
+		Block: block,
 	}
 }

app/appmessage/rpc_notify_pruning_point_utxo_set_override.go

@@ -0,0 +1,83 @@
+package appmessage
+
+// NotifyPruningPointUTXOSetOverrideRequestMessage is an appmessage corresponding to
+// its respective RPC message
+type NotifyPruningPointUTXOSetOverrideRequestMessage struct {
+	baseMessage
+}
+
+// Command returns the protocol command string for the message
+func (msg *NotifyPruningPointUTXOSetOverrideRequestMessage) Command() MessageCommand {
+	return CmdNotifyPruningPointUTXOSetOverrideRequestMessage
+}
+
+// NewNotifyPruningPointUTXOSetOverrideRequestMessage returns a instance of the message
+func NewNotifyPruningPointUTXOSetOverrideRequestMessage() *NotifyPruningPointUTXOSetOverrideRequestMessage {
+	return &NotifyPruningPointUTXOSetOverrideRequestMessage{}
+}
+
+// NotifyPruningPointUTXOSetOverrideResponseMessage is an appmessage corresponding to
+// its respective RPC message
+type NotifyPruningPointUTXOSetOverrideResponseMessage struct {
+	baseMessage
+	Error *RPCError
+}
+
+// Command returns the protocol command string for the message
+func (msg *NotifyPruningPointUTXOSetOverrideResponseMessage) Command() MessageCommand {
+	return CmdNotifyPruningPointUTXOSetOverrideResponseMessage
+}
+
+// NewNotifyPruningPointUTXOSetOverrideResponseMessage returns a instance of the message
+func NewNotifyPruningPointUTXOSetOverrideResponseMessage() *NotifyPruningPointUTXOSetOverrideResponseMessage {
+	return &NotifyPruningPointUTXOSetOverrideResponseMessage{}
+}
+
+// PruningPointUTXOSetOverrideNotificationMessage is an appmessage corresponding to
+// its respective RPC message
+type PruningPointUTXOSetOverrideNotificationMessage struct {
+	baseMessage
+}
+
+// Command returns the protocol command string for the message
+func (msg *PruningPointUTXOSetOverrideNotificationMessage) Command() MessageCommand {
+	return CmdPruningPointUTXOSetOverrideNotificationMessage
+}
+
+// NewPruningPointUTXOSetOverrideNotificationMessage returns a instance of the message
+func NewPruningPointUTXOSetOverrideNotificationMessage() *PruningPointUTXOSetOverrideNotificationMessage {
+	return &PruningPointUTXOSetOverrideNotificationMessage{}
+}
+
+// StopNotifyingPruningPointUTXOSetOverrideRequestMessage is an appmessage corresponding to
+// its respective RPC message
+type StopNotifyingPruningPointUTXOSetOverrideRequestMessage struct {
+	baseMessage
+}
+
+// Command returns the protocol command string for the message
+func (msg *StopNotifyingPruningPointUTXOSetOverrideRequestMessage) Command() MessageCommand {
+	return CmdNotifyPruningPointUTXOSetOverrideRequestMessage
+}
+
+// NewStopNotifyingPruningPointUTXOSetOverrideRequestMessage returns a instance of the message
+func NewStopNotifyingPruningPointUTXOSetOverrideRequestMessage() *StopNotifyingPruningPointUTXOSetOverrideRequestMessage {
+	return &StopNotifyingPruningPointUTXOSetOverrideRequestMessage{}
+}
+
+// StopNotifyingPruningPointUTXOSetOverrideResponseMessage is an appmessage corresponding to
+// its respective RPC message
+type StopNotifyingPruningPointUTXOSetOverrideResponseMessage struct {
+	baseMessage
+	Error *RPCError
+}
+
+// Command returns the protocol command string for the message
+func (msg *StopNotifyingPruningPointUTXOSetOverrideResponseMessage) Command() MessageCommand {
+	return CmdNotifyPruningPointUTXOSetOverrideResponseMessage
+}
+
+// NewStopNotifyingPruningPointUTXOSetOverrideResponseMessage returns a instance of the message
+func NewStopNotifyingPruningPointUTXOSetOverrideResponseMessage() *StopNotifyingPruningPointUTXOSetOverrideResponseMessage {
+	return &StopNotifyingPruningPointUTXOSetOverrideResponseMessage{}
+}

app/appmessage/rpc_stop_notifying_utxos_changed.go

@@ -0,0 +1,37 @@
+package appmessage
+
+// StopNotifyingUTXOsChangedRequestMessage is an appmessage corresponding to
+// its respective RPC message
+type StopNotifyingUTXOsChangedRequestMessage struct {
+	baseMessage
+	Addresses []string
+}
+
+// Command returns the protocol command string for the message
+func (msg *StopNotifyingUTXOsChangedRequestMessage) Command() MessageCommand {
+	return CmdStopNotifyingUTXOsChangedRequestMessage
+}
+
+// NewStopNotifyingUTXOsChangedRequestMessage returns a instance of the message
+func NewStopNotifyingUTXOsChangedRequestMessage(addresses []string) *StopNotifyingUTXOsChangedRequestMessage {
+	return &StopNotifyingUTXOsChangedRequestMessage{
+		Addresses: addresses,
+	}
+}
+
+// StopNotifyingUTXOsChangedResponseMessage is an appmessage corresponding to
+// its respective RPC message
+type StopNotifyingUTXOsChangedResponseMessage struct {
+	baseMessage
+	Error *RPCError
+}
+
+// Command returns the protocol command string for the message
+func (msg *StopNotifyingUTXOsChangedResponseMessage) Command() MessageCommand {
+	return CmdStopNotifyingUTXOsChangedResponseMessage
+}
+
+// NewStopNotifyingUTXOsChangedResponseMessage returns a instance of the message
+func NewStopNotifyingUTXOsChangedResponseMessage() *StopNotifyingUTXOsChangedResponseMessage {
+	return &StopNotifyingUTXOsChangedResponseMessage{}
+}

app/appmessage/rpc_submit_block.go

@@ -4,7 +4,7 @@ package appmessage
 // its respective RPC message
 type SubmitBlockRequestMessage struct {
 	baseMessage
-	Block *MsgBlock
+	Block *RPCBlock
 }
 
 // Command returns the protocol command string for the message
@@ -13,7 +13,7 @@ func (msg *SubmitBlockRequestMessage) Command() MessageCommand {
 }
 
 // NewSubmitBlockRequestMessage returns a instance of the message
-func NewSubmitBlockRequestMessage(block *MsgBlock) *SubmitBlockRequestMessage {
+func NewSubmitBlockRequestMessage(block *RPCBlock) *SubmitBlockRequestMessage {
 	return &SubmitBlockRequestMessage{
 		Block: block,
 	}
@@ -57,3 +57,35 @@ func (msg *SubmitBlockResponseMessage) Command() MessageCommand {
 func NewSubmitBlockResponseMessage() *SubmitBlockResponseMessage {
 	return &SubmitBlockResponseMessage{}
 }
+
+// RPCBlock is a kaspad block representation meant to be
+// used over RPC
+type RPCBlock struct {
+	Header       *RPCBlockHeader
+	Transactions []*RPCTransaction
+	VerboseData  *RPCBlockVerboseData
+}
+
+// RPCBlockHeader is a kaspad block header representation meant to be
+// used over RPC
+type RPCBlockHeader struct {
+	Version              uint32
+	ParentHashes         []string
+	HashMerkleRoot       string
+	AcceptedIDMerkleRoot string
+	UTXOCommitment       string
+	Timestamp            int64
+	Bits                 uint32
+	Nonce                uint64
+}
+
+// RPCBlockVerboseData holds verbose data about a block
+type RPCBlockVerboseData struct {
+	Hash               string
+	Difficulty         float64
+	SelectedParentHash string
+	TransactionIDs     []string
+	IsHeaderOnly       bool
+	BlueScore          uint64
+	ChildrenHashes     []string
+}

app/appmessage/rpc_submit_transaction.go

@@ -49,8 +49,8 @@ type RPCTransaction struct {
 	LockTime     uint64
 	SubnetworkID string
 	Gas          uint64
-	PayloadHash  string
 	Payload      string
+	VerboseData  *RPCTransactionVerboseData
 }
 
 // RPCTransactionInput is a kaspad transaction input representation
@@ -59,6 +59,7 @@ type RPCTransactionInput struct {
 	PreviousOutpoint *RPCOutpoint
 	SignatureScript  string
 	Sequence         uint64
+	VerboseData      *RPCTransactionInputVerboseData
 }
 
 // RPCScriptPublicKey is a kaspad ScriptPublicKey representation
@@ -72,6 +73,7 @@ type RPCScriptPublicKey struct {
 type RPCTransactionOutput struct {
 	Amount          uint64
 	ScriptPublicKey *RPCScriptPublicKey
+	VerboseData     *RPCTransactionOutputVerboseData
 }
 
 // RPCOutpoint is a kaspad outpoint representation meant to be used
@@ -86,6 +88,25 @@ type RPCOutpoint struct {
 type RPCUTXOEntry struct {
 	Amount          uint64
 	ScriptPublicKey *RPCScriptPublicKey
-	BlockBlueScore  uint64
+	BlockDAAScore   uint64
 	IsCoinbase      bool
 }
+
+// RPCTransactionVerboseData holds verbose data about a transaction
+type RPCTransactionVerboseData struct {
+	TransactionID string
+	Hash          string
+	Size          uint64
+	BlockHash     string
+	BlockTime     uint64
+}
+
+// RPCTransactionInputVerboseData holds data about a transaction input
+type RPCTransactionInputVerboseData struct {
+}
+
+// RPCTransactionOutputVerboseData holds data about a transaction output
+type RPCTransactionOutputVerboseData struct {
+	ScriptPublicKeyType    string
+	ScriptPublicKeyAddress string
+}

app/component_manager.go

@@ -72,6 +72,8 @@ func (a *ComponentManager) Stop() {
 		log.Errorf("Error stopping the net adapter: %+v", err)
 	}
 
+	a.protocolManager.Close()
+
 	return
 }
 
@@ -90,14 +92,18 @@ func NewComponentManager(cfg *config.Config, db infrastructuredatabase.Database,
 		return nil, err
 	}
 
-	addressManager, err := addressmanager.New(addressmanager.NewConfig(cfg))
+	addressManager, err := addressmanager.New(addressmanager.NewConfig(cfg), db)
 	if err != nil {
 		return nil, err
 	}
 
 	var utxoIndex *utxoindex.UTXOIndex
 	if cfg.UTXOIndex {
-		utxoIndex = utxoindex.New(domain.Consensus(), db)
+		utxoIndex, err = utxoindex.New(domain.Consensus(), db)
+		if err != nil {
+			return nil, err
+		}
+
 		log.Infof("UTXO index started")
 	}
 
@@ -144,13 +150,14 @@ func setupRPC(
 		shutDownChan,
 	)
 	protocolManager.SetOnBlockAddedToDAGHandler(rpcManager.NotifyBlockAddedToDAG)
+	protocolManager.SetOnPruningPointUTXOSetOverrideHandler(rpcManager.NotifyPruningPointUTXOSetOverride)
 
 	return rpcManager
 }
 
 func (a *ComponentManager) maybeSeedFromDNS() {
 	if !a.cfg.DisableDNSSeed {
-		dnsseed.SeedFromDNS(a.cfg.NetParams(), a.cfg.DNSSeed, appmessage.SFNodeNetwork, false, nil,
+		dnsseed.SeedFromDNS(a.cfg.NetParams(), a.cfg.DNSSeed, false, nil,
 			a.cfg.Lookup, func(addresses []*appmessage.NetAddress) {
 				// Kaspad uses a lookup of the dns seeder here. Since seeder returns
 				// IPs of nodes and not its own IP, we can not know real IP of
@@ -158,7 +165,7 @@ func (a *ComponentManager) maybeSeedFromDNS() {
 				a.addressManager.AddAddresses(addresses...)
 			})
 
-		dnsseed.SeedFromGRPC(a.cfg.NetParams(), a.cfg.GRPCSeed, appmessage.SFNodeNetwork, false, nil,
+		dnsseed.SeedFromGRPC(a.cfg.NetParams(), a.cfg.GRPCSeed, false, nil,
 			func(addresses []*appmessage.NetAddress) {
 				a.addressManager.AddAddresses(addresses...)
 			})

app/log.go

@@ -7,8 +7,6 @@ package app
 
 import (
 	"github.com/kaspanet/kaspad/infrastructure/logger"
-	"github.com/kaspanet/kaspad/util/panics"
 )
 
-var log, _ = logger.Get(logger.SubsystemTags.KASD)
-var spawn = panics.GoroutineWrapperFunc(log)
+var log = logger.RegisterSubSystem("KASD")

app/protocol/flowcontext/blocks.go

@@ -2,6 +2,7 @@ package flowcontext
 
 import (
 	peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
+	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
 	"github.com/kaspanet/kaspad/domain/consensus/ruleerrors"
 	"github.com/pkg/errors"
 
@@ -56,6 +57,15 @@ func (f *FlowContext) OnNewBlock(block *externalapi.DomainBlock,
 	return nil
 }
 
+// OnPruningPointUTXOSetOverride calls the handler function whenever the UTXO set
+// resets due to pruning point change via IBD.
+func (f *FlowContext) OnPruningPointUTXOSetOverride() error {
+	if f.onPruningPointUTXOSetOverrideHandler != nil {
+		return f.onPruningPointUTXOSetOverrideHandler()
+	}
+	return nil
+}
+
 func (f *FlowContext) broadcastTransactionsAfterBlockAdded(
 	block *externalapi.DomainBlock, transactionsAcceptedToMempool []*externalapi.DomainTransaction) error {
 
@@ -98,6 +108,10 @@ func (f *FlowContext) SharedRequestedBlocks() *blockrelay.SharedRequestedBlocks
 
 // AddBlock adds the given block to the DAG and propagates it.
 func (f *FlowContext) AddBlock(block *externalapi.DomainBlock) error {
+	if len(block.Transactions) == 0 {
+		return protocolerrors.Errorf(false, "cannot add header only block")
+	}
+
 	blockInsertionResult, err := f.Domain().Consensus().ValidateAndInsertBlock(block)
 	if err != nil {
 		if errors.As(err, &ruleerrors.RuleError{}) {

app/protocol/flowcontext/errors.go

@@ -18,7 +18,7 @@ import (
 func (*FlowContext) HandleError(err error, flowName string, isStopping *uint32, errChan chan<- error) {
 	isErrRouteClosed := errors.Is(err, router.ErrRouteClosed)
 	if !isErrRouteClosed {
-		if protocolErr := &(protocolerrors.ProtocolError{}); !errors.As(err, &protocolErr) {
+		if protocolErr := (protocolerrors.ProtocolError{}); !errors.As(err, &protocolErr) {
 			panic(err)
 		}
 

app/protocol/flowcontext/flow_context.go

@@ -23,6 +23,10 @@ import (
 // when a block is added to the DAG
 type OnBlockAddedToDAGHandler func(block *externalapi.DomainBlock, blockInsertionResult *externalapi.BlockInsertionResult) error
 
+// OnPruningPointUTXOSetOverrideHandler is a handle function that's triggered whenever the UTXO set
+// resets due to pruning point change via IBD.
+type OnPruningPointUTXOSetOverrideHandler func() error
+
 // OnTransactionAddedToMempoolHandler is a handler function that's triggered
 // when a transaction is added to the mempool
 type OnTransactionAddedToMempoolHandler func()
@@ -38,8 +42,9 @@ type FlowContext struct {
 
 	timeStarted int64
 
-	onBlockAddedToDAGHandler           OnBlockAddedToDAGHandler
-	onTransactionAddedToMempoolHandler OnTransactionAddedToMempoolHandler
+	onBlockAddedToDAGHandler             OnBlockAddedToDAGHandler
+	onPruningPointUTXOSetOverrideHandler OnPruningPointUTXOSetOverrideHandler
+	onTransactionAddedToMempoolHandler   OnTransactionAddedToMempoolHandler
 
 	transactionsToRebroadcastLock sync.Mutex
 	transactionsToRebroadcast     map[externalapi.DomainTransactionID]*externalapi.DomainTransaction
@@ -56,6 +61,8 @@ type FlowContext struct {
 
 	orphans      map[externalapi.DomainHash]*externalapi.DomainBlock
 	orphansMutex sync.RWMutex
+
+	shutdownChan chan struct{}
 }
 
 // New returns a new instance of FlowContext.
@@ -74,14 +81,31 @@ func New(cfg *config.Config, domain domain.Domain, addressManager *addressmanage
 		transactionsToRebroadcast:   make(map[externalapi.DomainTransactionID]*externalapi.DomainTransaction),
 		orphans:                     make(map[externalapi.DomainHash]*externalapi.DomainBlock),
 		timeStarted:                 mstime.Now().UnixMilliseconds(),
+		shutdownChan:                make(chan struct{}),
 	}
 }
 
+// Close signals to all flows the the protocol manager is closed.
+func (f *FlowContext) Close() {
+	close(f.shutdownChan)
+}
+
+// ShutdownChan is a chan where flows can subscribe to shutdown
+// event.
+func (f *FlowContext) ShutdownChan() <-chan struct{} {
+	return f.shutdownChan
+}
+
 // SetOnBlockAddedToDAGHandler sets the onBlockAddedToDAG handler
 func (f *FlowContext) SetOnBlockAddedToDAGHandler(onBlockAddedToDAGHandler OnBlockAddedToDAGHandler) {
 	f.onBlockAddedToDAGHandler = onBlockAddedToDAGHandler
 }
 
+// SetOnPruningPointUTXOSetOverrideHandler sets the onPruningPointUTXOSetOverrideHandler handler
+func (f *FlowContext) SetOnPruningPointUTXOSetOverrideHandler(onPruningPointUTXOSetOverrideHandler OnPruningPointUTXOSetOverrideHandler) {
+	f.onPruningPointUTXOSetOverrideHandler = onPruningPointUTXOSetOverrideHandler
+}
+
 // SetOnTransactionAddedToMempoolHandler sets the onTransactionAddedToMempool handler
 func (f *FlowContext) SetOnTransactionAddedToMempoolHandler(onTransactionAddedToMempoolHandler OnTransactionAddedToMempoolHandler) {
 	f.onTransactionAddedToMempoolHandler = onTransactionAddedToMempoolHandler

app/protocol/flowcontext/log.go

@@ -2,8 +2,6 @@ package flowcontext
 
 import (
 	"github.com/kaspanet/kaspad/infrastructure/logger"
-	"github.com/kaspanet/kaspad/util/panics"
 )
 
-var log, _ = logger.Get(logger.SubsystemTags.PROT)
-var spawn = panics.GoroutineWrapperFunc(log)
+var log = logger.RegisterSubSystem("PROT")

app/protocol/flows/addressexchange/receiveaddresses.go

@@ -35,6 +35,5 @@ func ReceiveAddresses(context ReceiveAddressesContext, incomingRoute *router.Rou
 		return protocolerrors.Errorf(true, "address count exceeded %d", addressmanager.GetAddressesMax)
 	}
 
-	context.AddressManager().AddAddresses(msgAddresses.AddressList...)
-	return nil
+	return context.AddressManager().AddAddresses(msgAddresses.AddressList...)
 }

app/protocol/flows/blockrelay/handle_relay_invs.go

@@ -24,6 +24,7 @@ type RelayInvsContext interface {
 	Domain() domain.Domain
 	Config() *config.Config
 	OnNewBlock(block *externalapi.DomainBlock, blockInsertionResult *externalapi.BlockInsertionResult) error
+	OnPruningPointUTXOSetOverride() error
 	SharedRequestedBlocks() *SharedRequestedBlocks
 	Broadcast(message appmessage.Message) error
 	AddOrphan(orphanBlock *externalapi.DomainBlock)
@@ -104,9 +105,19 @@ func (flow *handleRelayInvsFlow) start() error {
 			continue
 		}
 
+		err = flow.banIfBlockIsHeaderOnly(block)
+		if err != nil {
+			return err
+		}
+
 		log.Debugf("Processing block %s", inv.Hash)
 		missingParents, blockInsertionResult, err := flow.processBlock(block)
 		if err != nil {
+			if errors.Is(err, ruleerrors.ErrPrunedBlock) {
+				log.Infof("Ignoring pruned block %s", inv.Hash)
+				continue
+			}
+
 			if errors.Is(err, ruleerrors.ErrDuplicateBlock) {
 				log.Infof("Ignoring duplicate block %s", inv.Hash)
 				continue
@@ -135,6 +146,15 @@ func (flow *handleRelayInvsFlow) start() error {
 	}
 }
 
+func (flow *handleRelayInvsFlow) 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 *handleRelayInvsFlow) readInv() (*appmessage.MsgInvRelayBlock, error) {
 	if len(flow.invsQueue) > 0 {
 		var inv *appmessage.MsgInvRelayBlock

app/protocol/flows/blockrelay/handle_request_headers.go

@@ -17,7 +17,7 @@ type RequestIBDBlocksContext interface {
 	Domain() domain.Domain
 }
 
-type handleRequestBlocksFlow struct {
+type handleRequestHeadersFlow struct {
 	RequestIBDBlocksContext
 	incomingRoute, outgoingRoute *router.Route
 	peer                         *peer.Peer
@@ -27,7 +27,7 @@ type handleRequestBlocksFlow struct {
 func HandleRequestHeaders(context RequestIBDBlocksContext, incomingRoute *router.Route,
 	outgoingRoute *router.Route, peer *peer.Peer) error {
 
-	flow := &handleRequestBlocksFlow{
+	flow := &handleRequestHeadersFlow{
 		RequestIBDBlocksContext: context,
 		incomingRoute:           incomingRoute,
 		outgoingRoute:           outgoingRoute,
@@ -36,7 +36,7 @@ func HandleRequestHeaders(context RequestIBDBlocksContext, incomingRoute *router
 	return flow.start()
 }
 
-func (flow *handleRequestBlocksFlow) start() error {
+func (flow *handleRequestHeadersFlow) start() error {
 	for {
 		lowHash, highHash, err := receiveRequestHeaders(flow.incomingRoute)
 		if err != nil {
@@ -50,7 +50,7 @@ func (flow *handleRequestBlocksFlow) start() error {
 			// GetHashesBetween is a relatively heavy operation so we limit it
 			// in order to avoid locking the consensus for too long
 			const maxBlueScoreDifference = 1 << 10
-			blockHashes, err := flow.Domain().Consensus().GetHashesBetween(lowHash, highHash, maxBlueScoreDifference)
+			blockHashes, _, err := flow.Domain().Consensus().GetHashesBetween(lowHash, highHash, maxBlueScoreDifference)
 			if err != nil {
 				return err
 			}

app/protocol/flows/blockrelay/ibd.go

@@ -221,7 +221,6 @@ func (flow *handleRelayInvsFlow) downloadHeaders(highestSharedBlockHash *externa
 	// headers
 	blockHeadersMessageChan := make(chan *appmessage.BlockHeadersMessage, 2)
 	errChan := make(chan error)
-	doneChan := make(chan interface{})
 	spawn("handleRelayInvsFlow-downloadHeaders", func() {
 		for {
 			blockHeadersMessage, doneIBD, err := flow.receiveHeaders()
@@ -230,7 +229,7 @@ func (flow *handleRelayInvsFlow) downloadHeaders(highestSharedBlockHash *externa
 				return
 			}
 			if doneIBD {
-				doneChan <- struct{}{}
+				close(blockHeadersMessageChan)
 				return
 			}
 
@@ -246,7 +245,10 @@ func (flow *handleRelayInvsFlow) downloadHeaders(highestSharedBlockHash *externa
 
 	for {
 		select {
-		case blockHeadersMessage := <-blockHeadersMessageChan:
+		case blockHeadersMessage, ok := <-blockHeadersMessageChan:
+			if !ok {
+				return nil
+			}
 			for _, header := range blockHeadersMessage.BlockHeaders {
 				err = flow.processHeader(header)
 				if err != nil {
@@ -255,8 +257,6 @@ func (flow *handleRelayInvsFlow) downloadHeaders(highestSharedBlockHash *externa
 			}
 		case err := <-errChan:
 			return err
-		case <-doneChan:
-			return nil
 		}
 	}
 }
@@ -410,6 +410,11 @@ func (flow *handleRelayInvsFlow) fetchMissingUTXOSet(pruningPointHash *externala
 		return false, protocolerrors.ConvertToBanningProtocolErrorIfRuleError(err, "error with pruning point UTXO set")
 	}
 
+	err = flow.OnPruningPointUTXOSetOverride()
+	if err != nil {
+		return false, err
+	}
+
 	return true, nil
 }
 
@@ -533,6 +538,11 @@ func (flow *handleRelayInvsFlow) syncMissingBlockBodies(highHash *externalapi.Do
 				return protocolerrors.Errorf(true, "expected block %s but got %s", expectedHash, blockHash)
 			}
 
+			err = flow.banIfBlockIsHeaderOnly(block)
+			if err != nil {
+				return err
+			}
+
 			blockInsertionResult, err := flow.Domain().Consensus().ValidateAndInsertBlock(block)
 			if err != nil {
 				if errors.Is(err, ruleerrors.ErrDuplicateBlock) {

app/protocol/flows/blockrelay/log.go

@@ -5,5 +5,5 @@ import (
 	"github.com/kaspanet/kaspad/util/panics"
 )
 
-var log, _ = logger.Get(logger.SubsystemTags.PROT)
+var log = logger.RegisterSubSystem("PROT")
 var spawn = panics.GoroutineWrapperFunc(log)

app/protocol/flows/handshake/handshake.go

@@ -89,7 +89,10 @@ func HandleHandshake(context HandleHandshakeContext, netConnection *netadapter.N
 	}
 
 	if peerAddress != nil {
-		context.AddressManager().AddAddresses(peerAddress)
+		err := context.AddressManager().AddAddresses(peerAddress)
+		if err != nil {
+			return nil, err
+		}
 	}
 	return peer, nil
 }
@@ -104,7 +107,7 @@ func handleError(err error, flowName string, isStopping *uint32, errChan chan er
 		return
 	}
 
-	if protocolErr := &(protocolerrors.ProtocolError{}); errors.As(err, &protocolErr) {
+	if protocolErr := (protocolerrors.ProtocolError{}); errors.As(err, &protocolErr) {
 		log.Errorf("Handshake protocol error from %s: %s", flowName, err)
 		if atomic.AddUint32(isStopping, 1) == 1 {
 			errChan <- err

app/protocol/flows/handshake/log.go

@@ -5,5 +5,5 @@ import (
 	"github.com/kaspanet/kaspad/util/panics"
 )
 
-var log, _ = logger.Get(logger.SubsystemTags.PROT)
+var log = logger.RegisterSubSystem("PROT")
 var spawn = panics.GoroutineWrapperFunc(log)

app/protocol/flows/ping/send.go

@@ -13,6 +13,7 @@ import (
 
 // SendPingsContext is the interface for the context needed for the SendPings flow.
 type SendPingsContext interface {
+	ShutdownChan() <-chan struct{}
 }
 
 type sendPingsFlow struct {
@@ -39,7 +40,13 @@ func (flow *sendPingsFlow) start() error {
 	ticker := time.NewTicker(pingInterval)
 	defer ticker.Stop()
 
-	for range ticker.C {
+	for {
+		select {
+		case <-flow.ShutdownChan():
+			return nil
+		case <-ticker.C:
+		}
+
 		nonce, err := random.Uint64()
 		if err != nil {
 			return err
@@ -62,5 +69,4 @@ func (flow *sendPingsFlow) start() error {
 		}
 		flow.peer.SetPingIdle()
 	}
-	return nil
 }

app/protocol/flows/testing/common_test.go

@@ -1,14 +1,15 @@
 package testing
 
 import (
-	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
-	"github.com/pkg/errors"
 	"strings"
 	"testing"
+
+	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
+	"github.com/pkg/errors"
 )
 
 func checkFlowError(t *testing.T, err error, isProtocolError bool, shouldBan bool, contains string) {
-	pErr := &protocolerrors.ProtocolError{}
+	pErr := protocolerrors.ProtocolError{}
 	if errors.As(err, &pErr) != isProtocolError {
 		t.Fatalf("Unexepcted error %+v", err)
 	}

app/protocol/flows/testing/handle_relay_invs_test.go

@@ -24,6 +24,19 @@ import (
 	"github.com/pkg/errors"
 )
 
+var headerOnlyBlock = &externalapi.DomainBlock{
+	Header: blockheader.NewImmutableBlockHeader(
+		constants.MaxBlockVersion,
+		[]*externalapi.DomainHash{externalapi.NewDomainHashFromByteArray(&[externalapi.DomainHashSize]byte{1})},
+		&externalapi.DomainHash{},
+		&externalapi.DomainHash{},
+		&externalapi.DomainHash{},
+		0,
+		0,
+		0,
+	),
+}
+
 var orphanBlock = &externalapi.DomainBlock{
 	Header: blockheader.NewImmutableBlockHeader(
 		constants.MaxBlockVersion,
@@ -35,6 +48,7 @@ var orphanBlock = &externalapi.DomainBlock{
 		0,
 		0,
 	),
+	Transactions: []*externalapi.DomainTransaction{{}},
 }
 
 var validPruningPointBlock = &externalapi.DomainBlock{
@@ -48,6 +62,7 @@ var validPruningPointBlock = &externalapi.DomainBlock{
 		0,
 		0,
 	),
+	Transactions: []*externalapi.DomainTransaction{{}},
 }
 
 var invalidPruningPointBlock = &externalapi.DomainBlock{
@@ -61,6 +76,7 @@ var invalidPruningPointBlock = &externalapi.DomainBlock{
 		0,
 		0,
 	),
+	Transactions: []*externalapi.DomainTransaction{{}},
 }
 
 var unexpectedIBDBlock = &externalapi.DomainBlock{
@@ -74,6 +90,7 @@ var unexpectedIBDBlock = &externalapi.DomainBlock{
 		0,
 		0,
 	),
+	Transactions: []*externalapi.DomainTransaction{{}},
 }
 
 var invalidBlock = &externalapi.DomainBlock{
@@ -87,6 +104,7 @@ var invalidBlock = &externalapi.DomainBlock{
 		0,
 		0,
 	),
+	Transactions: []*externalapi.DomainTransaction{{}},
 }
 
 var unknownBlockHash = externalapi.NewDomainHashFromByteArray(&[externalapi.DomainHashSize]byte{1})
@@ -95,6 +113,7 @@ var validPruningPointHash = consensushashing.BlockHash(validPruningPointBlock)
 var invalidBlockHash = consensushashing.BlockHash(invalidBlock)
 var invalidPruningPointHash = consensushashing.BlockHash(invalidPruningPointBlock)
 var orphanBlockHash = consensushashing.BlockHash(orphanBlock)
+var headerOnlyBlockHash = consensushashing.BlockHash(headerOnlyBlock)
 
 type fakeRelayInvsContext struct {
 	testName             string
@@ -110,6 +129,18 @@ type fakeRelayInvsContext struct {
 	rwLock                                        sync.RWMutex
 }
 
+func (f *fakeRelayInvsContext) GetBlockRelations(blockHash *externalapi.DomainHash) ([]*externalapi.DomainHash, *externalapi.DomainHash, []*externalapi.DomainHash, error) {
+	panic(errors.Errorf("called unimplemented function from test '%s'", f.testName))
+}
+
+func (f *fakeRelayInvsContext) OnPruningPointUTXOSetOverride() error {
+	return nil
+}
+
+func (f *fakeRelayInvsContext) GetVirtualUTXOs(expectedVirtualParents []*externalapi.DomainHash, fromOutpoint *externalapi.DomainOutpoint, limit int) ([]*externalapi.OutpointAndUTXOEntryPair, error) {
+	panic(errors.Errorf("called unimplemented function from test '%s'", f.testName))
+}
+
 func (f *fakeRelayInvsContext) Anticone(blockHash *externalapi.DomainHash) ([]*externalapi.DomainHash, error) {
 	panic(errors.Errorf("called unimplemented function from test '%s'", f.testName))
 }
@@ -150,7 +181,7 @@ func (f *fakeRelayInvsContext) GetBlockAcceptanceData(blockHash *externalapi.Dom
 	panic(errors.Errorf("called unimplemented function from test '%s'", f.testName))
 }
 
-func (f *fakeRelayInvsContext) GetHashesBetween(lowHash, highHash *externalapi.DomainHash, maxBlueScoreDifference uint64) ([]*externalapi.DomainHash, error) {
+func (f *fakeRelayInvsContext) GetHashesBetween(lowHash, highHash *externalapi.DomainHash, maxBlueScoreDifference uint64) (hashes []*externalapi.DomainHash, actualHighHash *externalapi.DomainHash, err error) {
 	panic(errors.Errorf("called unimplemented function from test '%s'", f.testName))
 }
 
@@ -450,6 +481,29 @@ func TestHandleRelayInvs(t *testing.T) {
 			expectsBan:           true,
 			expectsErrToContain:  "got unrequested block",
 		},
+		{
+			name: "sending header only block on relay",
+			funcToExecute: func(t *testing.T, incomingRoute, outgoingRoute *router.Route, context *fakeRelayInvsContext) {
+				err := incomingRoute.Enqueue(appmessage.NewMsgInvBlock(headerOnlyBlockHash))
+				if err != nil {
+					t.Fatalf("Enqueue: %+v", err)
+				}
+
+				msg, err := outgoingRoute.DequeueWithTimeout(time.Second)
+				if err != nil {
+					t.Fatalf("DequeueWithTimeout: %+v", err)
+				}
+				_ = msg.(*appmessage.MsgRequestRelayBlocks)
+
+				err = incomingRoute.Enqueue(appmessage.DomainBlockToMsgBlock(headerOnlyBlock))
+				if err != nil {
+					t.Fatalf("Enqueue: %+v", err)
+				}
+			},
+			expectsProtocolError: true,
+			expectsBan:           true,
+			expectsErrToContain:  "block where expected block with body",
+		},
 		{
 			name: "sending invalid block",
 			funcToExecute: func(t *testing.T, incomingRoute, outgoingRoute *router.Route, context *fakeRelayInvsContext) {

app/protocol/flows/transactionrelay/handle_relayed_transactions.go

@@ -191,7 +191,7 @@ func (flow *handleRelayedTransactionsFlow) receiveTransactions(requestedTransact
 				continue
 			}
 
-			return protocolerrors.Errorf(true, "rejected transaction %s", txID)
+			return protocolerrors.Errorf(true, "rejected transaction %s: %s", txID, ruleErr)
 		}
 		err = flow.broadcastAcceptedTransactions([]*externalapi.DomainTransactionID{txID})
 		if err != nil {

app/protocol/log.go

@@ -5,5 +5,5 @@ import (
 	"github.com/kaspanet/kaspad/util/panics"
 )
 
-var log, _ = logger.Get(logger.SubsystemTags.PROT)
+var log = logger.RegisterSubSystem("PROT")
 var spawn = panics.GoroutineWrapperFunc(log)

app/protocol/manager.go

@@ -2,6 +2,9 @@ package protocol
 
 import (
 	"fmt"
+	"github.com/pkg/errors"
+	"sync"
+	"sync/atomic"
 
 	"github.com/kaspanet/kaspad/domain"
 
@@ -17,7 +20,9 @@ import (
 
 // Manager manages the p2p protocol
 type Manager struct {
-	context *flowcontext.FlowContext
+	context          *flowcontext.FlowContext
+	routersWaitGroup sync.WaitGroup
+	isClosed         uint32
 }
 
 // NewManager creates a new instance of the p2p protocol manager
@@ -32,6 +37,18 @@ func NewManager(cfg *config.Config, domain domain.Domain, netAdapter *netadapter
 	return &manager, nil
 }
 
+// Close closes the protocol manager and waits until all p2p flows
+// finish.
+func (m *Manager) Close() {
+	if !atomic.CompareAndSwapUint32(&m.isClosed, 0, 1) {
+		panic(errors.New("The protocol manager was already closed"))
+	}
+
+	atomic.StoreUint32(&m.isClosed, 1)
+	m.context.Close()
+	m.routersWaitGroup.Wait()
+}
+
 // Peers returns the currently active peers
 func (m *Manager) Peers() []*peerpkg.Peer {
 	return m.context.Peers()
@@ -53,11 +70,13 @@ 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) error {
+func (m *Manager) runFlows(flows []*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(peer)
+			flowsWaitGroup.Done()
 		})
 	}
 
@@ -69,6 +88,11 @@ func (m *Manager) SetOnBlockAddedToDAGHandler(onBlockAddedToDAGHandler flowconte
 	m.context.SetOnBlockAddedToDAGHandler(onBlockAddedToDAGHandler)
 }
 
+// SetOnPruningPointUTXOSetOverrideHandler sets the OnPruningPointUTXOSetOverride handler
+func (m *Manager) SetOnPruningPointUTXOSetOverrideHandler(onPruningPointUTXOSetOverrideHandler flowcontext.OnPruningPointUTXOSetOverrideHandler) {
+	m.context.SetOnPruningPointUTXOSetOverrideHandler(onPruningPointUTXOSetOverrideHandler)
+}
+
 // SetOnTransactionAddedToMempoolHandler sets the onTransactionAddedToMempool handler
 func (m *Manager) SetOnTransactionAddedToMempoolHandler(onTransactionAddedToMempoolHandler flowcontext.OnTransactionAddedToMempoolHandler) {
 	m.context.SetOnTransactionAddedToMempoolHandler(onTransactionAddedToMempoolHandler)

app/protocol/peer/log.go

@@ -2,8 +2,6 @@ package peer
 
 import (
 	"github.com/kaspanet/kaspad/infrastructure/logger"
-	"github.com/kaspanet/kaspad/util/panics"
 )
 
-var log, _ = logger.Get(logger.SubsystemTags.PROT)
-var spawn = panics.GoroutineWrapperFunc(log)
+var log = logger.RegisterSubSystem("PROT")

app/protocol/protocol.go

@@ -3,6 +3,7 @@ package protocol
 import (
 	"github.com/kaspanet/kaspad/app/protocol/flows/rejects"
 	"github.com/kaspanet/kaspad/infrastructure/network/connmanager"
+	"sync"
 	"sync/atomic"
 
 	"github.com/kaspanet/kaspad/app/appmessage"
@@ -40,6 +41,13 @@ func (m *Manager) routerInitializer(router *routerpkg.Router, netConnection *net
 	// After flows were registered - spawn a new thread that will wait for connection to finish initializing
 	// and start receiving messages
 	spawn("routerInitializer-runFlows", func() {
+		m.routersWaitGroup.Add(1)
+		defer m.routersWaitGroup.Done()
+
+		if atomic.LoadUint32(&m.isClosed) == 1 {
+			panic(errors.Errorf("tried to initialize router when the protocol manager is closed"))
+		}
+
 		isBanned, err := m.context.ConnectionManager().IsBanned(netConnection)
 		if err != nil && !errors.Is(err, addressmanager.ErrAddressNotFound) {
 			panic(err)
@@ -58,24 +66,42 @@ func (m *Manager) routerInitializer(router *routerpkg.Router, netConnection *net
 
 		peer, err := handshake.HandleHandshake(m.context, netConnection, receiveVersionRoute,
 			sendVersionRoute, router.OutgoingRoute())
+
 		if err != nil {
-			m.handleError(err, netConnection, router.OutgoingRoute())
+			// non-blocking read from channel
+			select {
+			case innerError := <-errChan:
+				if errors.Is(err, routerpkg.ErrRouteClosed) {
+					m.handleError(innerError, netConnection, router.OutgoingRoute())
+				} else {
+					log.Errorf("Peer %s sent invalid message: %s", netConnection, innerError)
+					m.handleError(err, netConnection, router.OutgoingRoute())
+				}
+			default:
+				m.handleError(err, netConnection, router.OutgoingRoute())
+			}
 			return
 		}
 		defer m.context.RemoveFromPeers(peer)
 
 		removeHandshakeRoutes(router)
 
-		err = m.runFlows(flows, peer, errChan)
+		flowsWaitGroup := &sync.WaitGroup{}
+		err = m.runFlows(flows, peer, errChan, flowsWaitGroup)
 		if err != nil {
 			m.handleError(err, netConnection, router.OutgoingRoute())
+			// We call `flowsWaitGroup.Wait()` in two places instead of deferring, because
+			// we already defer `m.routersWaitGroup.Done()`, so we try to avoid error prone
+			// and confusing use of multiple dependent defers.
+			flowsWaitGroup.Wait()
 			return
 		}
+		flowsWaitGroup.Wait()
 	})
 }
 
 func (m *Manager) handleError(err error, netConnection *netadapter.NetConnection, outgoingRoute *routerpkg.Route) {
-	if protocolErr := &(protocolerrors.ProtocolError{}); errors.As(err, &protocolErr) {
+	if protocolErr := (protocolerrors.ProtocolError{}); errors.As(err, &protocolErr) {
 		if !m.context.Config().DisableBanning && protocolErr.ShouldBan {
 			log.Warnf("Banning %s (reason: %s)", netConnection, protocolErr.Cause)
 
@@ -89,7 +115,7 @@ func (m *Manager) handleError(err error, netConnection *netadapter.NetConnection
 				panic(err)
 			}
 		}
-		log.Debugf("Disconnecting from %s (reason: %s)", netConnection, protocolErr.Cause)
+		log.Infof("Disconnecting from %s (reason: %s)", netConnection, protocolErr.Cause)
 		netConnection.Disconnect()
 		return
 	}
@@ -225,7 +251,7 @@ func (m *Manager) registerTransactionRelayFlow(router *routerpkg.Router, isStopp
 	outgoingRoute := router.OutgoingRoute()
 
 	return []*flow{
-		m.registerFlow("HandleRelayedTransactions", router,
+		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)
@@ -261,6 +287,24 @@ func (m *Manager) registerFlow(name string, router *routerpkg.Router, messageTyp
 		panic(err)
 	}
 
+	return m.registerFlowForRoute(route, name, isStopping, errChan, initializeFunc)
+}
+
+func (m *Manager) registerFlowWithCapacity(name string, capacity int, router *routerpkg.Router,
+	messageTypes []appmessage.MessageCommand, isStopping *uint32,
+	errChan chan error, initializeFunc flowInitializeFunc) *flow {
+
+	route, err := router.AddIncomingRouteWithCapacity(capacity, messageTypes)
+	if err != nil {
+		panic(err)
+	}
+
+	return m.registerFlowForRoute(route, name, isStopping, errChan, initializeFunc)
+}
+
+func (m *Manager) registerFlowForRoute(route *routerpkg.Route, name string, isStopping *uint32,
+	errChan chan error, initializeFunc flowInitializeFunc) *flow {
+
 	return &flow{
 		name: name,
 		executeFunc: func(peer *peerpkg.Peer) {

app/protocol/protocolerrors/protocolerrors.go

@@ -12,19 +12,19 @@ type ProtocolError struct {
 	Cause     error
 }
 
-func (e *ProtocolError) Error() string {
+func (e ProtocolError) Error() string {
 	return e.Cause.Error()
 }
 
 // Unwrap returns the cause of ProtocolError, to be used with `errors.Unwrap()`
-func (e *ProtocolError) Unwrap() error {
+func (e ProtocolError) Unwrap() error {
 	return e.Cause
 }
 
 // Errorf formats according to a format specifier and returns the string
 // as a ProtocolError.
 func Errorf(shouldBan bool, format string, args ...interface{}) error {
-	return &ProtocolError{
+	return ProtocolError{
 		ShouldBan: shouldBan,
 		Cause:     errors.Errorf(format, args...),
 	}
@@ -33,7 +33,7 @@ func Errorf(shouldBan bool, format string, args ...interface{}) error {
 // New returns a ProtocolError with the supplied message.
 // New also records the stack trace at the point it was called.
 func New(shouldBan bool, message string) error {
-	return &ProtocolError{
+	return ProtocolError{
 		ShouldBan: shouldBan,
 		Cause:     errors.New(message),
 	}
@@ -41,7 +41,7 @@ func New(shouldBan bool, message string) error {
 
 // Wrap wraps the given error and returns it as a ProtocolError.
 func Wrap(shouldBan bool, err error, message string) error {
-	return &ProtocolError{
+	return ProtocolError{
 		ShouldBan: shouldBan,
 		Cause:     errors.Wrap(err, message),
 	}
@@ -49,7 +49,7 @@ func Wrap(shouldBan bool, err error, message string) error {
 
 // Wrapf wraps the given error with the given format and returns it as a ProtocolError.
 func Wrapf(shouldBan bool, err error, format string, args ...interface{}) error {
-	return &ProtocolError{
+	return ProtocolError{
 		ShouldBan: shouldBan,
 		Cause:     errors.Wrapf(err, format, args...),
 	}

app/rpc/log.go

@@ -5,5 +5,5 @@ import (
 	"github.com/kaspanet/kaspad/util/panics"
 )
 
-var log, _ = logger.Get(logger.SubsystemTags.RPCS)
+var log = logger.RegisterSubSystem("RPCS")
 var spawn = panics.GoroutineWrapperFunc(log)

app/rpc/manager.go

@@ -69,15 +69,31 @@ func (m *Manager) NotifyBlockAddedToDAG(block *externalapi.DomainBlock, blockIns
 		return err
 	}
 
-	msgBlock := appmessage.DomainBlockToMsgBlock(block)
-	blockVerboseData, err := m.context.BuildBlockVerboseData(block.Header, block, false)
+	rpcBlock := appmessage.DomainBlockToRPCBlock(block)
+	err = m.context.PopulateBlockWithVerboseData(rpcBlock, block.Header, block, false)
 	if err != nil {
 		return err
 	}
-	blockAddedNotification := appmessage.NewBlockAddedNotificationMessage(msgBlock, blockVerboseData)
+	blockAddedNotification := appmessage.NewBlockAddedNotificationMessage(rpcBlock)
 	return m.context.NotificationManager.NotifyBlockAdded(blockAddedNotification)
 }
 
+// NotifyPruningPointUTXOSetOverride notifies the manager whenever the UTXO index
+// resets due to pruning point change via IBD.
+func (m *Manager) NotifyPruningPointUTXOSetOverride() error {
+	onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyPruningPointUTXOSetOverride")
+	defer onEnd()
+
+	if m.context.Config.UTXOIndex {
+		err := m.notifyPruningPointUTXOSetOverride()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
 // NotifyFinalityConflict notifies the manager that there's a finality conflict in the DAG
 func (m *Manager) NotifyFinalityConflict(violatingBlockHash string) error {
 	onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyFinalityConflict")
@@ -100,13 +116,25 @@ func (m *Manager) notifyUTXOsChanged(blockInsertionResult *externalapi.BlockInse
 	onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyUTXOsChanged")
 	defer onEnd()
 
-	utxoIndexChanges, err := m.context.UTXOIndex.Update(blockInsertionResult.VirtualSelectedParentChainChanges)
+	utxoIndexChanges, err := m.context.UTXOIndex.Update(blockInsertionResult)
 	if err != nil {
 		return err
 	}
 	return m.context.NotificationManager.NotifyUTXOsChanged(utxoIndexChanges)
 }
 
+func (m *Manager) notifyPruningPointUTXOSetOverride() error {
+	onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.notifyPruningPointUTXOSetOverride")
+	defer onEnd()
+
+	err := m.context.UTXOIndex.Reset()
+	if err != nil {
+		return err
+	}
+
+	return m.context.NotificationManager.NotifyPruningPointUTXOSetOverride()
+}
+
 func (m *Manager) notifyVirtualSelectedParentBlueScoreChanged() error {
 	onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyVirtualSelectedParentBlueScoreChanged")
 	defer onEnd()

app/rpc/rpc.go

@@ -35,12 +35,15 @@ var handlers = map[appmessage.MessageCommand]handler{
 	appmessage.CmdShutDownRequestMessage:                                    rpchandlers.HandleShutDown,
 	appmessage.CmdGetHeadersRequestMessage:                                  rpchandlers.HandleGetHeaders,
 	appmessage.CmdNotifyUTXOsChangedRequestMessage:                          rpchandlers.HandleNotifyUTXOsChanged,
+	appmessage.CmdStopNotifyingUTXOsChangedRequestMessage:                   rpchandlers.HandleStopNotifyingUTXOsChanged,
 	appmessage.CmdGetUTXOsByAddressesRequestMessage:                         rpchandlers.HandleGetUTXOsByAddresses,
 	appmessage.CmdGetVirtualSelectedParentBlueScoreRequestMessage:           rpchandlers.HandleGetVirtualSelectedParentBlueScore,
 	appmessage.CmdNotifyVirtualSelectedParentBlueScoreChangedRequestMessage: rpchandlers.HandleNotifyVirtualSelectedParentBlueScoreChanged,
 	appmessage.CmdBanRequestMessage:                                         rpchandlers.HandleBan,
 	appmessage.CmdUnbanRequestMessage:                                       rpchandlers.HandleUnban,
 	appmessage.CmdGetInfoRequestMessage:                                     rpchandlers.HandleGetInfo,
+	appmessage.CmdNotifyPruningPointUTXOSetOverrideRequestMessage:           rpchandlers.HandleNotifyPruningPointUTXOSetOverrideRequest,
+	appmessage.CmdStopNotifyingPruningPointUTXOSetOverrideRequestMessage:    rpchandlers.HandleStopNotifyingPruningPointUTXOSetOverrideRequest,
 }
 
 func (m *Manager) routerInitializer(router *router.Router, netConnection *netadapter.NetConnection) {

app/rpc/rpccontext/log.go

@@ -2,8 +2,6 @@ package rpccontext
 
 import (
 	"github.com/kaspanet/kaspad/infrastructure/logger"
-	"github.com/kaspanet/kaspad/util/panics"
 )
 
-var log, _ = logger.Get(logger.SubsystemTags.RPCS)
-var spawn = panics.GoroutineWrapperFunc(log)
+var log = logger.RegisterSubSystem("RPCS")

app/rpc/rpccontext/notificationmanager.go

@@ -30,8 +30,9 @@ type NotificationListener struct {
 	propagateFinalityConflictResolvedNotifications              bool
 	propagateUTXOsChangedNotifications                          bool
 	propagateVirtualSelectedParentBlueScoreChangedNotifications bool
+	propagatePruningPointUTXOSetOverrideNotifications           bool
 
-	propagateUTXOsChangedNotificationAddresses []*UTXOsChangedNotificationAddress
+	propagateUTXOsChangedNotificationAddresses map[utxoindex.ScriptPublicKeyString]*UTXOsChangedNotificationAddress
 }
 
 // NewNotificationManager creates a new NotificationManager
@@ -180,6 +181,23 @@ func (nm *NotificationManager) NotifyVirtualSelectedParentBlueScoreChanged(
 	return nil
 }
 
+// NotifyPruningPointUTXOSetOverride notifies the notification manager that the UTXO index
+// reset due to pruning point change via IBD.
+func (nm *NotificationManager) NotifyPruningPointUTXOSetOverride() error {
+	nm.RLock()
+	defer nm.RUnlock()
+
+	for router, listener := range nm.listeners {
+		if listener.propagatePruningPointUTXOSetOverrideNotifications {
+			err := router.OutgoingRoute().Enqueue(appmessage.NewPruningPointUTXOSetOverrideNotificationMessage())
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
 func newNotificationListener() *NotificationListener {
 	return &NotificationListener{
 		propagateBlockAddedNotifications:                            false,
@@ -188,6 +206,7 @@ func newNotificationListener() *NotificationListener {
 		propagateFinalityConflictResolvedNotifications:              false,
 		propagateUTXOsChangedNotifications:                          false,
 		propagateVirtualSelectedParentBlueScoreChangedNotifications: false,
+		propagatePruningPointUTXOSetOverrideNotifications:           false,
 	}
 }
 
@@ -216,34 +235,70 @@ func (nl *NotificationListener) PropagateFinalityConflictResolvedNotifications()
 }
 
 // PropagateUTXOsChangedNotifications instructs the listener to send UTXOs changed notifications
-// to the remote listener
+// to the remote listener for the given addresses. Subsequent calls instruct the listener to
+// send UTXOs changed notifications for those addresses along with the old ones. Duplicate addresses
+// are ignored.
 func (nl *NotificationListener) PropagateUTXOsChangedNotifications(addresses []*UTXOsChangedNotificationAddress) {
-	nl.propagateUTXOsChangedNotifications = true
-	nl.propagateUTXOsChangedNotificationAddresses = addresses
+	if !nl.propagateUTXOsChangedNotifications {
+		nl.propagateUTXOsChangedNotifications = true
+		nl.propagateUTXOsChangedNotificationAddresses =
+			make(map[utxoindex.ScriptPublicKeyString]*UTXOsChangedNotificationAddress, len(addresses))
+	}
+
+	for _, address := range addresses {
+		nl.propagateUTXOsChangedNotificationAddresses[address.ScriptPublicKeyString] = address
+	}
+}
+
+// StopPropagatingUTXOsChangedNotifications instructs the listener to stop sending UTXOs
+// changed notifications to the remote listener for the given addresses. Addresses for which
+// notifications are not currently sent are ignored.
+func (nl *NotificationListener) StopPropagatingUTXOsChangedNotifications(addresses []*UTXOsChangedNotificationAddress) {
+	if !nl.propagateUTXOsChangedNotifications {
+		return
+	}
+
+	for _, address := range addresses {
+		delete(nl.propagateUTXOsChangedNotificationAddresses, address.ScriptPublicKeyString)
+	}
 }
 
 func (nl *NotificationListener) convertUTXOChangesToUTXOsChangedNotification(
 	utxoChanges *utxoindex.UTXOChanges) *appmessage.UTXOsChangedNotificationMessage {
 
+	// As an optimization, we iterate over the smaller set (O(n)) among the two below
+	// and check existence over the larger set (O(1))
+	utxoChangesSize := len(utxoChanges.Added) + len(utxoChanges.Removed)
+	addressesSize := len(nl.propagateUTXOsChangedNotificationAddresses)
+
 	notification := &appmessage.UTXOsChangedNotificationMessage{}
-	for _, listenerAddress := range nl.propagateUTXOsChangedNotificationAddresses {
-		listenerScriptPublicKeyString := listenerAddress.ScriptPublicKeyString
-		if addedPairs, ok := utxoChanges.Added[listenerScriptPublicKeyString]; ok {
-			notification.Added = append(notification.Added,
-				ConvertUTXOOutpointEntryPairsToUTXOsByAddressesEntries(listenerAddress.Address, addedPairs)...)
+	if utxoChangesSize < addressesSize {
+		for scriptPublicKeyString, addedPairs := range utxoChanges.Added {
+			if listenerAddress, ok := nl.propagateUTXOsChangedNotificationAddresses[scriptPublicKeyString]; ok {
+				utxosByAddressesEntries := ConvertUTXOOutpointEntryPairsToUTXOsByAddressesEntries(listenerAddress.Address, addedPairs)
+				notification.Added = append(notification.Added, utxosByAddressesEntries...)
+			}
 		}
-		if removedOutpoints, ok := utxoChanges.Removed[listenerScriptPublicKeyString]; ok {
-			for outpoint := range removedOutpoints {
-				notification.Removed = append(notification.Removed, &appmessage.UTXOsByAddressesEntry{
-					Address: listenerAddress.Address,
-					Outpoint: &appmessage.RPCOutpoint{
-						TransactionID: outpoint.TransactionID.String(),
-						Index:         outpoint.Index,
-					},
-				})
+		for scriptPublicKeyString, removedOutpoints := range utxoChanges.Removed {
+			if listenerAddress, ok := nl.propagateUTXOsChangedNotificationAddresses[scriptPublicKeyString]; ok {
+				utxosByAddressesEntries := convertUTXOOutpointsToUTXOsByAddressesEntries(listenerAddress.Address, removedOutpoints)
+				notification.Removed = append(notification.Removed, utxosByAddressesEntries...)
+			}
+		}
+	} else {
+		for _, listenerAddress := range nl.propagateUTXOsChangedNotificationAddresses {
+			listenerScriptPublicKeyString := listenerAddress.ScriptPublicKeyString
+			if addedPairs, ok := utxoChanges.Added[listenerScriptPublicKeyString]; ok {
+				utxosByAddressesEntries := ConvertUTXOOutpointEntryPairsToUTXOsByAddressesEntries(listenerAddress.Address, addedPairs)
+				notification.Added = append(notification.Added, utxosByAddressesEntries...)
+			}
+			if removedOutpoints, ok := utxoChanges.Removed[listenerScriptPublicKeyString]; ok {
+				utxosByAddressesEntries := convertUTXOOutpointsToUTXOsByAddressesEntries(listenerAddress.Address, removedOutpoints)
+				notification.Removed = append(notification.Removed, utxosByAddressesEntries...)
 			}
 		}
 	}
+
 	return notification
 }
 
@@ -252,3 +307,15 @@ func (nl *NotificationListener) convertUTXOChangesToUTXOsChangedNotification(
 func (nl *NotificationListener) PropagateVirtualSelectedParentBlueScoreChangedNotifications() {
 	nl.propagateVirtualSelectedParentBlueScoreChangedNotifications = true
 }
+
+// PropagatePruningPointUTXOSetOverrideNotifications instructs the listener to send pruning point UTXO set override notifications
+// to the remote listener.
+func (nl *NotificationListener) PropagatePruningPointUTXOSetOverrideNotifications() {
+	nl.propagatePruningPointUTXOSetOverrideNotifications = true
+}
+
+// StopPropagatingPruningPointUTXOSetOverrideNotifications instructs the listener to stop sending pruning
+// point UTXO set override notifications to the remote listener.
+func (nl *NotificationListener) StopPropagatingPruningPointUTXOSetOverrideNotifications() {
+	nl.propagatePruningPointUTXOSetOverrideNotifications = false
+}

app/rpc/rpccontext/utxos_by_addresses.go

@@ -2,6 +2,9 @@ package rpccontext
 
 import (
 	"encoding/hex"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/txscript"
+	"github.com/kaspanet/kaspad/util"
+	"github.com/pkg/errors"
 
 	"github.com/kaspanet/kaspad/app/appmessage"
 	"github.com/kaspanet/kaspad/domain/utxoindex"
@@ -21,10 +24,50 @@ func ConvertUTXOOutpointEntryPairsToUTXOsByAddressesEntries(address string, pair
 			UTXOEntry: &appmessage.RPCUTXOEntry{
 				Amount:          utxoEntry.Amount(),
 				ScriptPublicKey: &appmessage.RPCScriptPublicKey{Script: hex.EncodeToString(utxoEntry.ScriptPublicKey().Script), Version: utxoEntry.ScriptPublicKey().Version},
-				BlockBlueScore:  utxoEntry.BlockBlueScore(),
+				BlockDAAScore:   utxoEntry.BlockDAAScore(),
 				IsCoinbase:      utxoEntry.IsCoinbase(),
 			},
 		})
 	}
 	return utxosByAddressesEntries
 }
+
+// convertUTXOOutpointsToUTXOsByAddressesEntries converts
+// UTXOOutpoints to a slice of UTXOsByAddressesEntry
+func convertUTXOOutpointsToUTXOsByAddressesEntries(address string, outpoints utxoindex.UTXOOutpoints) []*appmessage.UTXOsByAddressesEntry {
+	utxosByAddressesEntries := make([]*appmessage.UTXOsByAddressesEntry, 0, len(outpoints))
+	for outpoint := range outpoints {
+		utxosByAddressesEntries = append(utxosByAddressesEntries, &appmessage.UTXOsByAddressesEntry{
+			Address: address,
+			Outpoint: &appmessage.RPCOutpoint{
+				TransactionID: outpoint.TransactionID.String(),
+				Index:         outpoint.Index,
+			},
+		})
+	}
+	return utxosByAddressesEntries
+}
+
+// ConvertAddressStringsToUTXOsChangedNotificationAddresses converts address strings
+// to UTXOsChangedNotificationAddresses
+func (ctx *Context) ConvertAddressStringsToUTXOsChangedNotificationAddresses(
+	addressStrings []string) ([]*UTXOsChangedNotificationAddress, error) {
+
+	addresses := make([]*UTXOsChangedNotificationAddress, len(addressStrings))
+	for i, addressString := range addressStrings {
+		address, err := util.DecodeAddress(addressString, ctx.Config.ActiveNetParams.Prefix)
+		if err != nil {
+			return nil, errors.Errorf("Could not decode address '%s': %s", addressString, err)
+		}
+		scriptPublicKey, err := txscript.PayToAddrScript(address)
+		if err != nil {
+			return nil, errors.Errorf("Could not create a scriptPublicKey for address '%s': %s", addressString, err)
+		}
+		scriptPublicKeyString := utxoindex.ConvertScriptPublicKeyToString(scriptPublicKey)
+		addresses[i] = &UTXOsChangedNotificationAddress{
+			Address:               addressString,
+			ScriptPublicKeyString: scriptPublicKeyString,
+		}
+	}
+	return addresses, nil
+}

app/rpc/rpccontext/verbosedata.go

@@ -2,88 +2,24 @@ package rpccontext
 
 import (
 	"encoding/hex"
-	"fmt"
-	"github.com/kaspanet/kaspad/domain/consensus/utils/constants"
-	"github.com/kaspanet/kaspad/infrastructure/logger"
-	"github.com/kaspanet/kaspad/util/difficulty"
+	difficultyPackage "github.com/kaspanet/kaspad/util/difficulty"
+	"github.com/pkg/errors"
 	"math"
 	"math/big"
-	"strconv"
 
 	"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
 
 	"github.com/kaspanet/kaspad/domain/consensus/utils/estimatedsize"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/txscript"
 
-	"github.com/kaspanet/kaspad/domain/consensus/utils/subnetworks"
-
 	"github.com/kaspanet/kaspad/app/appmessage"
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
 	"github.com/kaspanet/kaspad/domain/dagconfig"
-	"github.com/kaspanet/kaspad/util/pointers"
 )
 
-// BuildBlockVerboseData builds a BlockVerboseData from the given blockHeader.
-// A block may optionally also be given if it's available in the calling context.
-func (ctx *Context) BuildBlockVerboseData(blockHeader externalapi.BlockHeader, block *externalapi.DomainBlock,
-	includeTransactionVerboseData bool) (*appmessage.BlockVerboseData, error) {
-
-	onEnd := logger.LogAndMeasureExecutionTime(log, "BuildBlockVerboseData")
-	defer onEnd()
-
-	hash := consensushashing.HeaderHash(blockHeader)
-
-	blockInfo, err := ctx.Domain.Consensus().GetBlockInfo(hash)
-	if err != nil {
-		return nil, err
-	}
-	result := &appmessage.BlockVerboseData{
-		Hash:                 hash.String(),
-		Version:              blockHeader.Version(),
-		VersionHex:           fmt.Sprintf("%08x", blockHeader.Version()),
-		HashMerkleRoot:       blockHeader.HashMerkleRoot().String(),
-		AcceptedIDMerkleRoot: blockHeader.AcceptedIDMerkleRoot().String(),
-		UTXOCommitment:       blockHeader.UTXOCommitment().String(),
-		ParentHashes:         hashes.ToStrings(blockHeader.ParentHashes()),
-		Nonce:                blockHeader.Nonce(),
-		Time:                 blockHeader.TimeInMilliseconds(),
-		Bits:                 strconv.FormatInt(int64(blockHeader.Bits()), 16),
-		Difficulty:           ctx.GetDifficultyRatio(blockHeader.Bits(), ctx.Config.ActiveNetParams),
-		BlueScore:            blockInfo.BlueScore,
-		IsHeaderOnly:         blockInfo.BlockStatus == externalapi.StatusHeaderOnly,
-	}
-
-	if blockInfo.BlockStatus != externalapi.StatusHeaderOnly {
-		if block == nil {
-			block, err = ctx.Domain.Consensus().GetBlock(hash)
-			if err != nil {
-				return nil, err
-			}
-		}
-
-		txIDs := make([]string, len(block.Transactions))
-		for i, tx := range block.Transactions {
-			txIDs[i] = consensushashing.TransactionID(tx).String()
-		}
-		result.TxIDs = txIDs
-
-		if includeTransactionVerboseData {
-			transactionVerboseData := make([]*appmessage.TransactionVerboseData, len(block.Transactions))
-			for i, tx := range block.Transactions {
-				txID := consensushashing.TransactionID(tx).String()
-				data, err := ctx.BuildTransactionVerboseData(tx, txID, blockHeader, hash.String())
-				if err != nil {
-					return nil, err
-				}
-				transactionVerboseData[i] = data
-			}
-			result.TransactionVerboseData = transactionVerboseData
-		}
-	}
-
-	return result, nil
-}
+// ErrBuildBlockVerboseDataInvalidBlock indicates that a block that was given to BuildBlockVerboseData is invalid.
+var ErrBuildBlockVerboseDataInvalidBlock = errors.New("ErrBuildBlockVerboseDataInvalidBlock")
 
 // GetDifficultyRatio returns the proof-of-work difficulty as a multiple of the
 // minimum difficulty using the passed bits field from the header of a block.
@@ -92,7 +28,7 @@ func (ctx *Context) GetDifficultyRatio(bits uint32, params *dagconfig.Params) fl
 	// converted back to a number. Note this is not the same as the proof of
 	// work limit directly because the block difficulty is encoded in a block
 	// with the compact form which loses precision.
-	target := difficulty.CompactToBig(bits)
+	target := difficultyPackage.CompactToBig(bits)
 
 	difficulty := new(big.Rat).SetFrac(params.PowMax, target)
 	diff, _ := difficulty.Float64()
@@ -103,105 +39,125 @@ func (ctx *Context) GetDifficultyRatio(bits uint32, params *dagconfig.Params) fl
 	return diff
 }
 
-// BuildTransactionVerboseData builds a TransactionVerboseData from
-// the given parameters
-func (ctx *Context) BuildTransactionVerboseData(tx *externalapi.DomainTransaction, txID string,
-	blockHeader externalapi.BlockHeader, blockHash string) (
-	*appmessage.TransactionVerboseData, error) {
+// PopulateBlockWithVerboseData populates the given `block` with verbose
+// data from `domainBlockHeader` and optionally from `domainBlock`
+func (ctx *Context) PopulateBlockWithVerboseData(block *appmessage.RPCBlock, domainBlockHeader externalapi.BlockHeader,
+	domainBlock *externalapi.DomainBlock, includeTransactionVerboseData bool) error {
 
-	onEnd := logger.LogAndMeasureExecutionTime(log, "BuildTransactionVerboseData")
-	defer onEnd()
+	blockHash := consensushashing.HeaderHash(domainBlockHeader)
 
-	var payloadHash string
-	if tx.SubnetworkID != subnetworks.SubnetworkIDNative {
-		payloadHash = tx.PayloadHash.String()
+	blockInfo, err := ctx.Domain.Consensus().GetBlockInfo(blockHash)
+	if err != nil {
+		return err
 	}
 
-	txReply := &appmessage.TransactionVerboseData{
-		TxID:                      txID,
-		Hash:                      consensushashing.TransactionHash(tx).String(),
-		Size:                      estimatedsize.TransactionEstimatedSerializedSize(tx),
-		TransactionVerboseInputs:  ctx.buildTransactionVerboseInputs(tx),
-		TransactionVerboseOutputs: ctx.buildTransactionVerboseOutputs(tx, nil),
-		Version:                   tx.Version,
-		LockTime:                  tx.LockTime,
-		SubnetworkID:              tx.SubnetworkID.String(),
-		Gas:                       tx.Gas,
-		PayloadHash:               payloadHash,
-		Payload:                   hex.EncodeToString(tx.Payload),
+	if blockInfo.BlockStatus == externalapi.StatusInvalid {
+		return errors.Wrap(ErrBuildBlockVerboseDataInvalidBlock, "cannot build verbose data for "+
+			"invalid block")
 	}
 
-	if blockHeader != nil {
-		txReply.Time = uint64(blockHeader.TimeInMilliseconds())
-		txReply.BlockTime = uint64(blockHeader.TimeInMilliseconds())
-		txReply.BlockHash = blockHash
+	_, selectedParentHash, childrenHashes, err := ctx.Domain.Consensus().GetBlockRelations(blockHash)
+	if err != nil {
+		return err
 	}
 
-	return txReply, nil
-}
+	block.VerboseData = &appmessage.RPCBlockVerboseData{
+		Hash:               blockHash.String(),
+		Difficulty:         ctx.GetDifficultyRatio(domainBlockHeader.Bits(), ctx.Config.ActiveNetParams),
+		ChildrenHashes:     hashes.ToStrings(childrenHashes),
+		SelectedParentHash: selectedParentHash.String(),
+		IsHeaderOnly:       blockInfo.BlockStatus == externalapi.StatusHeaderOnly,
+		BlueScore:          blockInfo.BlueScore,
+	}
 
-func (ctx *Context) buildTransactionVerboseInputs(tx *externalapi.DomainTransaction) []*appmessage.TransactionVerboseInput {
-	inputs := make([]*appmessage.TransactionVerboseInput, len(tx.Inputs))
-	for i, transactionInput := range tx.Inputs {
-		// The disassembled string will contain [error] inline
-		// if the script doesn't fully parse, so ignore the
-		// error here.
-		disbuf, _ := txscript.DisasmString(constants.MaxScriptPublicKeyVersion, transactionInput.SignatureScript)
+	if blockInfo.BlockStatus == externalapi.StatusHeaderOnly {
+		return nil
+	}
 
-		input := &appmessage.TransactionVerboseInput{}
-		input.TxID = transactionInput.PreviousOutpoint.TransactionID.String()
-		input.OutputIndex = transactionInput.PreviousOutpoint.Index
-		input.Sequence = transactionInput.Sequence
-		input.ScriptSig = &appmessage.ScriptSig{
-			Asm: disbuf,
-			Hex: hex.EncodeToString(transactionInput.SignatureScript),
+	// Get the block if we didn't receive it previously
+	if domainBlock == nil {
+		domainBlock, err = ctx.Domain.Consensus().GetBlock(blockHash)
+		if err != nil {
+			return err
 		}
-		inputs[i] = input
 	}
 
-	return inputs
-}
+	transactionIDs := make([]string, len(domainBlock.Transactions))
+	for i, transaction := range domainBlock.Transactions {
+		transactionIDs[i] = consensushashing.TransactionID(transaction).String()
+	}
+	block.VerboseData.TransactionIDs = transactionIDs
 
-// buildTransactionVerboseOutputs returns a slice of JSON objects for the outputs of the passed
-// transaction.
-func (ctx *Context) buildTransactionVerboseOutputs(tx *externalapi.DomainTransaction, filterAddrMap map[string]struct{}) []*appmessage.TransactionVerboseOutput {
-	outputs := make([]*appmessage.TransactionVerboseOutput, len(tx.Outputs))
-	for i, transactionOutput := range tx.Outputs {
-
-		// Ignore the error here since an error means the script
-		// couldn't parse and there is no additional information about
-		// it anyways.
-		scriptClass, addr, _ := txscript.ExtractScriptPubKeyAddress(
-			transactionOutput.ScriptPublicKey, ctx.Config.ActiveNetParams)
-
-		// Encode the addresses while checking if the address passes the
-		// filter when needed.
-		passesFilter := len(filterAddrMap) == 0
-		var encodedAddr string
-		if addr != nil {
-			encodedAddr = *pointers.String(addr.EncodeAddress())
-
-			// If the filter doesn't already pass, make it pass if
-			// the address exists in the filter.
-			if _, exists := filterAddrMap[encodedAddr]; exists {
-				passesFilter = true
+	if includeTransactionVerboseData {
+		for _, transaction := range block.Transactions {
+			err := ctx.PopulateTransactionWithVerboseData(transaction, domainBlockHeader)
+			if err != nil {
+				return err
 			}
 		}
-
-		if !passesFilter {
-			continue
-		}
-
-		output := &appmessage.TransactionVerboseOutput{}
-		output.Index = uint32(i)
-		output.Value = transactionOutput.Value
-		output.ScriptPubKey = &appmessage.ScriptPubKeyResult{
-			Address: encodedAddr,
-			Hex:     hex.EncodeToString(transactionOutput.ScriptPublicKey.Script),
-			Type:    scriptClass.String(),
-		}
-		outputs[i] = output
 	}
 
-	return outputs
+	return nil
+}
+
+// PopulateTransactionWithVerboseData populates the given `transaction` with
+// verbose data from `domainTransaction`
+func (ctx *Context) PopulateTransactionWithVerboseData(
+	transaction *appmessage.RPCTransaction, domainBlockHeader externalapi.BlockHeader) error {
+
+	domainTransaction, err := appmessage.RPCTransactionToDomainTransaction(transaction)
+	if err != nil {
+		return err
+	}
+
+	transaction.VerboseData = &appmessage.RPCTransactionVerboseData{
+		TransactionID: consensushashing.TransactionID(domainTransaction).String(),
+		Hash:          consensushashing.TransactionHash(domainTransaction).String(),
+		Size:          estimatedsize.TransactionEstimatedSerializedSize(domainTransaction),
+	}
+	if domainBlockHeader != nil {
+		transaction.VerboseData.BlockHash = consensushashing.HeaderHash(domainBlockHeader).String()
+		transaction.VerboseData.BlockTime = uint64(domainBlockHeader.TimeInMilliseconds())
+	}
+	for _, input := range transaction.Inputs {
+		ctx.populateTransactionInputWithVerboseData(input)
+	}
+	for _, output := range transaction.Outputs {
+		err := ctx.populateTransactionOutputWithVerboseData(output)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (ctx *Context) populateTransactionInputWithVerboseData(transactionInput *appmessage.RPCTransactionInput) {
+	transactionInput.VerboseData = &appmessage.RPCTransactionInputVerboseData{}
+}
+
+func (ctx *Context) populateTransactionOutputWithVerboseData(transactionOutput *appmessage.RPCTransactionOutput) error {
+	scriptPublicKey, err := hex.DecodeString(transactionOutput.ScriptPublicKey.Script)
+	if err != nil {
+		return err
+	}
+	domainScriptPublicKey := &externalapi.ScriptPublicKey{
+		Script:  scriptPublicKey,
+		Version: transactionOutput.ScriptPublicKey.Version,
+	}
+
+	// Ignore the error here since an error means the script
+	// couldn't be parsed and there's no additional information about
+	// it anyways
+	scriptPublicKeyType, scriptPublicKeyAddress, _ := txscript.ExtractScriptPubKeyAddress(
+		domainScriptPublicKey, ctx.Config.ActiveNetParams)
+
+	var encodedScriptPublicKeyAddress string
+	if scriptPublicKeyAddress != nil {
+		encodedScriptPublicKeyAddress = scriptPublicKeyAddress.EncodeAddress()
+	}
+	transactionOutput.VerboseData = &appmessage.RPCTransactionOutputVerboseData{
+		ScriptPublicKeyType:    scriptPublicKeyType.String(),
+		ScriptPublicKeyAddress: encodedScriptPublicKeyAddress,
+	}
+	return nil
 }

app/rpc/rpchandlers/get_block.go

@@ -5,6 +5,7 @@ import (
 	"github.com/kaspanet/kaspad/app/rpc/rpccontext"
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
 	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+	"github.com/pkg/errors"
 )
 
 // HandleGetBlock handles the respectively named RPC command
@@ -25,14 +26,20 @@ func HandleGetBlock(context *rpccontext.Context, _ *router.Router, request appme
 		errorMessage.Error = appmessage.RPCErrorf("Block %s not found", hash)
 		return errorMessage, nil
 	}
+	block := &externalapi.DomainBlock{Header: header}
 
 	response := appmessage.NewGetBlockResponseMessage()
+	response.Block = appmessage.DomainBlockToRPCBlock(block)
 
-	blockVerboseData, err := context.BuildBlockVerboseData(header, nil, getBlockRequest.IncludeTransactionVerboseData)
+	err = context.PopulateBlockWithVerboseData(response.Block, header, nil, getBlockRequest.IncludeTransactionVerboseData)
 	if err != nil {
+		if errors.Is(err, rpccontext.ErrBuildBlockVerboseDataInvalidBlock) {
+			errorMessage := &appmessage.GetBlockResponseMessage{}
+			errorMessage.Error = appmessage.RPCErrorf("Block %s is invalid", hash)
+			return errorMessage, nil
+		}
 		return nil, err
 	}
-	response.BlockVerboseData = blockVerboseData
 
 	return response, nil
 }

app/rpc/rpchandlers/get_block_dag_info.go

@@ -36,5 +36,11 @@ func HandleGetBlockDAGInfo(context *rpccontext.Context, _ *router.Router, _ appm
 	response.Difficulty = context.GetDifficultyRatio(virtualInfo.Bits, context.Config.ActiveNetParams)
 	response.PastMedianTime = virtualInfo.PastMedianTime
 
+	pruningPoint, err := context.Domain.Consensus().PruningPoint()
+	if err != nil {
+		return nil, err
+	}
+	response.PruningPointHash = pruningPoint.String()
+
 	return response, nil
 }

app/rpc/rpchandlers/get_block_template.go

@@ -31,12 +31,12 @@ func HandleGetBlockTemplate(context *rpccontext.Context, _ *router.Router, reque
 	if err != nil {
 		return nil, err
 	}
-	msgBlock := appmessage.DomainBlockToMsgBlock(templateBlock)
+	rpcBlock := appmessage.DomainBlockToRPCBlock(templateBlock)
 
 	isSynced, err := context.ProtocolManager.ShouldMine()
 	if err != nil {
 		return nil, err
 	}
 
-	return appmessage.NewGetBlockTemplateResponseMessage(msgBlock, isSynced), nil
+	return appmessage.NewGetBlockTemplateResponseMessage(rpcBlock, isSynced), nil
 }

app/rpc/rpchandlers/get_blocks.go

@@ -11,15 +11,15 @@ import (
 const (
 	// maxBlocksInGetBlocksResponse is the max amount of blocks that are
 	// allowed in a GetBlocksResult.
-	maxBlocksInGetBlocksResponse = 100
+	maxBlocksInGetBlocksResponse = 1000
 )
 
 // HandleGetBlocks handles the respectively named RPC command
 func HandleGetBlocks(context *rpccontext.Context, _ *router.Router, request appmessage.Message) (appmessage.Message, error) {
 	getBlocksRequest := request.(*appmessage.GetBlocksRequestMessage)
 
-	// Validate that user didn't set IncludeTransactionVerboseData without setting IncludeBlockVerboseData
-	if !getBlocksRequest.IncludeBlockVerboseData && getBlocksRequest.IncludeTransactionVerboseData {
+	// Validate that user didn't set IncludeTransactionVerboseData without setting IncludeBlocks
+	if !getBlocksRequest.IncludeBlocks && getBlocksRequest.IncludeTransactionVerboseData {
 		return &appmessage.GetBlocksResponseMessage{
 			Error: appmessage.RPCErrorf(
 				"If includeTransactionVerboseData is set, then includeBlockVerboseData must be set as well"),
@@ -37,6 +37,17 @@ func HandleGetBlocks(context *rpccontext.Context, _ *router.Router, request appm
 				Error: appmessage.RPCErrorf("Could not decode lowHash %s: %s", getBlocksRequest.LowHash, err),
 			}, nil
 		}
+
+		blockInfo, err := context.Domain.Consensus().GetBlockInfo(lowHash)
+		if err != nil {
+			return nil, err
+		}
+
+		if !blockInfo.Exists {
+			return &appmessage.GetBlocksResponseMessage{
+				Error: appmessage.RPCErrorf("Could not find lowHash %s", getBlocksRequest.LowHash),
+			}, nil
+		}
 	}
 
 	// Get hashes between lowHash and virtualSelectedParent
@@ -44,15 +55,18 @@ func HandleGetBlocks(context *rpccontext.Context, _ *router.Router, request appm
 	if err != nil {
 		return nil, err
 	}
-	blockHashes, err := context.Domain.Consensus().GetHashesBetween(
-		lowHash, virtualSelectedParent, maxBlocksInGetBlocksResponse)
+	blockHashes, highHash, err := context.Domain.Consensus().GetHashesBetween(lowHash, virtualSelectedParent, maxBlocksInGetBlocksResponse)
 	if err != nil {
 		return nil, err
 	}
 
-	// If there are no maxBlocksInGetBlocksResponse between lowHash and virtualSelectedParent -
-	// add virtualSelectedParent's anticone
-	if len(blockHashes) < maxBlocksInGetBlocksResponse {
+	// prepend low hash to make it inclusive
+	blockHashes = append([]*externalapi.DomainHash{lowHash}, blockHashes...)
+
+	// If the high hash is equal to virtualSelectedParent it means GetHashesBetween didn't skip any hashes, and
+	// there's space to add the virtualSelectedParent's anticone, otherwise you can't add the anticone because
+	// there's no guarantee that all of the anticone root ancestors will be present.
+	if highHash.Equal(virtualSelectedParent) {
 		virtualSelectedParentAnticone, err := context.Domain.Consensus().Anticone(virtualSelectedParent)
 		if err != nil {
 			return nil, err
@@ -67,26 +81,23 @@ func HandleGetBlocks(context *rpccontext.Context, _ *router.Router, request appm
 	}
 
 	// Prepare the response
-	response := &appmessage.GetBlocksResponseMessage{
-		BlockHashes: hashes.ToStrings(blockHashes),
-	}
-
-	// Retrieve all block data in case BlockVerboseData was requested
-	if getBlocksRequest.IncludeBlockVerboseData {
-		response.BlockVerboseData = make([]*appmessage.BlockVerboseData, len(blockHashes))
+	response := appmessage.NewGetBlocksResponseMessage()
+	response.BlockHashes = hashes.ToStrings(blockHashes)
+	if getBlocksRequest.IncludeBlocks {
+		blocks := make([]*appmessage.RPCBlock, len(blockHashes))
 		for i, blockHash := range blockHashes {
 			blockHeader, err := context.Domain.Consensus().GetBlockHeader(blockHash)
 			if err != nil {
 				return nil, err
 			}
-			blockVerboseData, err := context.BuildBlockVerboseData(blockHeader, nil,
-				getBlocksRequest.IncludeTransactionVerboseData)
+			block := &externalapi.DomainBlock{Header: blockHeader}
+			blocks[i] = appmessage.DomainBlockToRPCBlock(block)
+			err = context.PopulateBlockWithVerboseData(blocks[i], blockHeader, nil, getBlocksRequest.IncludeTransactionVerboseData)
 			if err != nil {
 				return nil, err
 			}
-
-			response.BlockVerboseData[i] = blockVerboseData
 		}
 	}
+
 	return response, nil
 }

app/rpc/rpchandlers/get_blocks_test.go

@@ -0,0 +1,148 @@
+package rpchandlers_test
+
+import (
+	"reflect"
+	"sort"
+	"testing"
+
+	"github.com/kaspanet/kaspad/domain/consensus/model"
+
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/app/rpc/rpccontext"
+	"github.com/kaspanet/kaspad/app/rpc/rpchandlers"
+	"github.com/kaspanet/kaspad/domain/consensus"
+	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
+	"github.com/kaspanet/kaspad/domain/consensus/model/testapi"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/testutils"
+	"github.com/kaspanet/kaspad/domain/dagconfig"
+	"github.com/kaspanet/kaspad/domain/miningmanager"
+	"github.com/kaspanet/kaspad/infrastructure/config"
+)
+
+type fakeDomain struct {
+	testapi.TestConsensus
+}
+
+func (d fakeDomain) Consensus() externalapi.Consensus           { return d }
+func (d fakeDomain) MiningManager() miningmanager.MiningManager { return nil }
+
+func TestHandleGetBlocks(t *testing.T) {
+	testutils.ForAllNets(t, true, func(t *testing.T, params *dagconfig.Params) {
+		stagingArea := model.NewStagingArea()
+
+		factory := consensus.NewFactory()
+		tc, teardown, err := factory.NewTestConsensus(params, false, "TestHandleGetBlocks")
+		if err != nil {
+			t.Fatalf("Error setting up consensus: %+v", err)
+		}
+		defer teardown(false)
+
+		fakeContext := rpccontext.Context{
+			Config: &config.Config{Flags: &config.Flags{NetworkFlags: config.NetworkFlags{ActiveNetParams: params}}},
+			Domain: fakeDomain{tc},
+		}
+
+		getBlocks := func(lowHash *externalapi.DomainHash) *appmessage.GetBlocksResponseMessage {
+			request := appmessage.GetBlocksRequestMessage{}
+			if lowHash != nil {
+				request.LowHash = lowHash.String()
+			}
+			response, err := rpchandlers.HandleGetBlocks(&fakeContext, nil, &request)
+			if err != nil {
+				t.Fatalf("Expected empty request to not fail, instead: '%v'", err)
+			}
+			return response.(*appmessage.GetBlocksResponseMessage)
+		}
+
+		filterAntiPast := func(povBlock *externalapi.DomainHash, slice []*externalapi.DomainHash) []*externalapi.DomainHash {
+			antipast := make([]*externalapi.DomainHash, 0, len(slice))
+
+			for _, blockHash := range slice {
+				isInPastOfPovBlock, err := tc.DAGTopologyManager().IsAncestorOf(stagingArea, blockHash, povBlock)
+				if err != nil {
+					t.Fatalf("Failed doing reachability check: '%v'", err)
+				}
+				if !isInPastOfPovBlock {
+					antipast = append(antipast, blockHash)
+				}
+			}
+			return antipast
+		}
+
+		// Create a DAG with the following structure:
+		//          merging block
+		//         /      |      \
+		//      split1  split2   split3
+		//        \       |      /
+		//         merging block
+		//         /      |      \
+		//      split1  split2   split3
+		//        \       |      /
+		//               etc.
+		expectedOrder := make([]*externalapi.DomainHash, 0, 40)
+		mergingBlock := params.GenesisHash
+		for i := 0; i < 10; i++ {
+			splitBlocks := make([]*externalapi.DomainHash, 0, 3)
+			for j := 0; j < 3; j++ {
+				blockHash, _, err := tc.AddBlock([]*externalapi.DomainHash{mergingBlock}, nil, nil)
+				if err != nil {
+					t.Fatalf("Failed adding block: %v", err)
+				}
+				splitBlocks = append(splitBlocks, blockHash)
+			}
+			sort.Sort(sort.Reverse(testutils.NewTestGhostDAGSorter(stagingArea, splitBlocks, tc, t)))
+			restOfSplitBlocks, selectedParent := splitBlocks[:len(splitBlocks)-1], splitBlocks[len(splitBlocks)-1]
+			expectedOrder = append(expectedOrder, selectedParent)
+			expectedOrder = append(expectedOrder, restOfSplitBlocks...)
+
+			mergingBlock, _, err = tc.AddBlock(splitBlocks, nil, nil)
+			if err != nil {
+				t.Fatalf("Failed adding block: %v", err)
+			}
+			expectedOrder = append(expectedOrder, mergingBlock)
+		}
+
+		virtualSelectedParent, err := tc.GetVirtualSelectedParent()
+		if err != nil {
+			t.Fatalf("Failed getting SelectedParent: %v", err)
+		}
+		if !virtualSelectedParent.Equal(expectedOrder[len(expectedOrder)-1]) {
+			t.Fatalf("Expected %s to be selectedParent, instead found: %s", expectedOrder[len(expectedOrder)-1], virtualSelectedParent)
+		}
+
+		requestSelectedParent := getBlocks(virtualSelectedParent)
+		if !reflect.DeepEqual(requestSelectedParent.BlockHashes, hashes.ToStrings([]*externalapi.DomainHash{virtualSelectedParent})) {
+			t.Fatalf("TestHandleGetBlocks expected:\n%v\nactual:\n%v", virtualSelectedParent, requestSelectedParent.BlockHashes)
+		}
+
+		for i, blockHash := range expectedOrder {
+			expectedBlocks := filterAntiPast(blockHash, expectedOrder)
+			expectedBlocks = append([]*externalapi.DomainHash{blockHash}, expectedBlocks...)
+
+			actualBlocks := getBlocks(blockHash)
+			if !reflect.DeepEqual(actualBlocks.BlockHashes, hashes.ToStrings(expectedBlocks)) {
+				t.Fatalf("TestHandleGetBlocks %d \nexpected: \n%v\nactual:\n%v", i,
+					hashes.ToStrings(expectedBlocks), actualBlocks.BlockHashes)
+			}
+		}
+
+		// Make explicitly sure that if lowHash==highHash we get a slice with a single hash.
+		actualBlocks := getBlocks(virtualSelectedParent)
+		if !reflect.DeepEqual(actualBlocks.BlockHashes, []string{virtualSelectedParent.String()}) {
+			t.Fatalf("TestHandleGetBlocks expected blocks to contain just '%s', instead got: \n%v",
+				virtualSelectedParent, actualBlocks.BlockHashes)
+		}
+
+		expectedOrder = append([]*externalapi.DomainHash{params.GenesisHash}, expectedOrder...)
+		actualOrder := getBlocks(nil)
+		if !reflect.DeepEqual(actualOrder.BlockHashes, hashes.ToStrings(expectedOrder)) {
+			t.Fatalf("TestHandleGetBlocks \nexpected: %v \nactual:\n%v", expectedOrder, actualOrder.BlockHashes)
+		}
+
+		requestAllExplictly := getBlocks(params.GenesisHash)
+		if !reflect.DeepEqual(requestAllExplictly.BlockHashes, hashes.ToStrings(expectedOrder)) {
+			t.Fatalf("TestHandleGetBlocks \nexpected: \n%v\n. actual:\n%v", expectedOrder, requestAllExplictly.BlockHashes)
+		}
+	})
+}

app/rpc/rpchandlers/get_info.go

@@ -8,6 +8,10 @@ import (
 
 // HandleGetInfo handles the respectively named RPC command
 func HandleGetInfo(context *rpccontext.Context, _ *router.Router, _ appmessage.Message) (appmessage.Message, error) {
-	response := appmessage.NewGetInfoResponseMessage(context.NetAdapter.ID().String())
+	response := appmessage.NewGetInfoResponseMessage(
+		context.NetAdapter.ID().String(),
+		uint64(context.Domain.MiningManager().TransactionCount()),
+	)
+
 	return response, nil
 }

app/rpc/rpchandlers/get_mempool_entries.go

@@ -3,25 +3,22 @@ package rpchandlers
 import (
 	"github.com/kaspanet/kaspad/app/appmessage"
 	"github.com/kaspanet/kaspad/app/rpc/rpccontext"
-	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
 	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
 )
 
 // HandleGetMempoolEntries handles the respectively named RPC command
 func HandleGetMempoolEntries(context *rpccontext.Context, _ *router.Router, _ appmessage.Message) (appmessage.Message, error) {
-
 	transactions := context.Domain.MiningManager().AllTransactions()
 	entries := make([]*appmessage.MempoolEntry, 0, len(transactions))
-	for _, tx := range transactions {
-		transactionVerboseData, err := context.BuildTransactionVerboseData(
-			tx, consensushashing.TransactionID(tx).String(), nil, "")
+	for _, transaction := range transactions {
+		rpcTransaction := appmessage.DomainTransactionToRPCTransaction(transaction)
+		err := context.PopulateTransactionWithVerboseData(rpcTransaction, nil)
 		if err != nil {
 			return nil, err
 		}
-
 		entries = append(entries, &appmessage.MempoolEntry{
-			Fee:                    tx.Fee,
-			TransactionVerboseData: transactionVerboseData,
+			Fee:         transaction.Fee,
+			Transaction: rpcTransaction,
 		})
 	}
 

app/rpc/rpchandlers/get_mempool_entry.go

@@ -24,12 +24,11 @@ func HandleGetMempoolEntry(context *rpccontext.Context, _ *router.Router, reques
 		errorMessage.Error = appmessage.RPCErrorf("Transaction %s was not found", transactionID)
 		return errorMessage, nil
 	}
-
-	transactionVerboseData, err := context.BuildTransactionVerboseData(
-		transaction, getMempoolEntryRequest.TxID, nil, "")
+	rpcTransaction := appmessage.DomainTransactionToRPCTransaction(transaction)
+	err = context.PopulateTransactionWithVerboseData(rpcTransaction, nil)
 	if err != nil {
 		return nil, err
 	}
 
-	return appmessage.NewGetMempoolEntryResponseMessage(transaction.Fee, transactionVerboseData), nil
+	return appmessage.NewGetMempoolEntryResponseMessage(transaction.Fee, rpcTransaction), nil
 }

app/rpc/rpchandlers/log.go

@@ -5,5 +5,5 @@ import (
 	"github.com/kaspanet/kaspad/util/panics"
 )
 
-var log, _ = logger.Get(logger.SubsystemTags.RPCS)
+var log = logger.RegisterSubSystem("RPCS")
 var spawn = panics.GoroutineWrapperFunc(log)

app/rpc/rpchandlers/notify_pruning_point_utxo_set_overrides.go

@@ -0,0 +1,19 @@
+package rpchandlers
+
+import (
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/app/rpc/rpccontext"
+	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+)
+
+// HandleNotifyPruningPointUTXOSetOverrideRequest handles the respectively named RPC command
+func HandleNotifyPruningPointUTXOSetOverrideRequest(context *rpccontext.Context, router *router.Router, _ appmessage.Message) (appmessage.Message, error) {
+	listener, err := context.NotificationManager.Listener(router)
+	if err != nil {
+		return nil, err
+	}
+	listener.PropagatePruningPointUTXOSetOverrideNotifications()
+
+	response := appmessage.NewNotifyPruningPointUTXOSetOverrideResponseMessage()
+	return response, nil
+}

app/rpc/rpchandlers/notify_utxos_changed.go

@@ -3,10 +3,7 @@ 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/domain/utxoindex"
 	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
-	"github.com/kaspanet/kaspad/util"
 )
 
 // HandleNotifyUTXOsChanged handles the respectively named RPC command
@@ -18,26 +15,11 @@ func HandleNotifyUTXOsChanged(context *rpccontext.Context, router *router.Router
 	}
 
 	notifyUTXOsChangedRequest := request.(*appmessage.NotifyUTXOsChangedRequestMessage)
-
-	addresses := make([]*rpccontext.UTXOsChangedNotificationAddress, len(notifyUTXOsChangedRequest.Addresses))
-	for i, addressString := range notifyUTXOsChangedRequest.Addresses {
-		address, err := util.DecodeAddress(addressString, context.Config.ActiveNetParams.Prefix)
-		if err != nil {
-			errorMessage := appmessage.NewNotifyUTXOsChangedResponseMessage()
-			errorMessage.Error = appmessage.RPCErrorf("Could not decode address '%s': %s", addressString, err)
-			return errorMessage, nil
-		}
-		scriptPublicKey, err := txscript.PayToAddrScript(address)
-		if err != nil {
-			errorMessage := appmessage.NewNotifyUTXOsChangedResponseMessage()
-			errorMessage.Error = appmessage.RPCErrorf("Could not create a scriptPublicKey for address '%s': %s", addressString, err)
-			return errorMessage, nil
-		}
-		scriptPublicKeyString := utxoindex.ConvertScriptPublicKeyToString(scriptPublicKey)
-		addresses[i] = &rpccontext.UTXOsChangedNotificationAddress{
-			Address:               addressString,
-			ScriptPublicKeyString: scriptPublicKeyString,
-		}
+	addresses, err := context.ConvertAddressStringsToUTXOsChangedNotificationAddresses(notifyUTXOsChangedRequest.Addresses)
+	if err != nil {
+		errorMessage := appmessage.NewNotifyUTXOsChangedResponseMessage()
+		errorMessage.Error = appmessage.RPCErrorf("Parsing error: %s", err)
+		return errorMessage, nil
 	}
 
 	listener, err := context.NotificationManager.Listener(router)

app/rpc/rpchandlers/stop_notifying_pruning_point_utxo_set_overrides.go

@@ -0,0 +1,19 @@
+package rpchandlers
+
+import (
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/app/rpc/rpccontext"
+	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+)
+
+// HandleStopNotifyingPruningPointUTXOSetOverrideRequest handles the respectively named RPC command
+func HandleStopNotifyingPruningPointUTXOSetOverrideRequest(context *rpccontext.Context, router *router.Router, _ appmessage.Message) (appmessage.Message, error) {
+	listener, err := context.NotificationManager.Listener(router)
+	if err != nil {
+		return nil, err
+	}
+	listener.StopPropagatingPruningPointUTXOSetOverrideNotifications()
+
+	response := appmessage.NewStopNotifyingPruningPointUTXOSetOverrideResponseMessage()
+	return response, nil
+}

app/rpc/rpchandlers/stop_notifying_utxos_changed.go

@@ -0,0 +1,33 @@
+package rpchandlers
+
+import (
+	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/app/rpc/rpccontext"
+	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
+)
+
+// HandleStopNotifyingUTXOsChanged handles the respectively named RPC command
+func HandleStopNotifyingUTXOsChanged(context *rpccontext.Context, router *router.Router, request appmessage.Message) (appmessage.Message, error) {
+	if !context.Config.UTXOIndex {
+		errorMessage := appmessage.NewStopNotifyingUTXOsChangedResponseMessage()
+		errorMessage.Error = appmessage.RPCErrorf("Method unavailable when kaspad is run without --utxoindex")
+		return errorMessage, nil
+	}
+
+	stopNotifyingUTXOsChangedRequest := request.(*appmessage.StopNotifyingUTXOsChangedRequestMessage)
+	addresses, err := context.ConvertAddressStringsToUTXOsChangedNotificationAddresses(stopNotifyingUTXOsChangedRequest.Addresses)
+	if err != nil {
+		errorMessage := appmessage.NewNotifyUTXOsChangedResponseMessage()
+		errorMessage.Error = appmessage.RPCErrorf("Parsing error: %s", err)
+		return errorMessage, nil
+	}
+
+	listener, err := context.NotificationManager.Listener(router)
+	if err != nil {
+		return nil, err
+	}
+	listener.StopPropagatingUTXOsChangedNotifications(addresses)
+
+	response := appmessage.NewStopNotifyingUTXOsChangedResponseMessage()
+	return response, nil
+}

app/rpc/rpchandlers/submit_block.go

@@ -2,6 +2,7 @@ package rpchandlers
 
 import (
 	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
 	"github.com/kaspanet/kaspad/app/rpc/rpccontext"
 	"github.com/kaspanet/kaspad/domain/consensus/ruleerrors"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
@@ -13,9 +14,6 @@ import (
 func HandleSubmitBlock(context *rpccontext.Context, _ *router.Router, request appmessage.Message) (appmessage.Message, error) {
 	submitBlockRequest := request.(*appmessage.SubmitBlockRequestMessage)
 
-	msgBlock := submitBlockRequest.Block
-	domainBlock := appmessage.MsgBlockToDomainBlock(msgBlock)
-
 	if context.ProtocolManager.IsIBDRunning() {
 		return &appmessage.SubmitBlockResponseMessage{
 			Error:        appmessage.RPCErrorf("Block not submitted - IBD is running"),
@@ -23,11 +21,21 @@ func HandleSubmitBlock(context *rpccontext.Context, _ *router.Router, request ap
 		}, nil
 	}
 
-	err := context.ProtocolManager.AddBlock(domainBlock)
+	domainBlock, err := appmessage.RPCBlockToDomainBlock(submitBlockRequest.Block)
 	if err != nil {
-		if !errors.As(err, &ruleerrors.RuleError{}) {
+		return &appmessage.SubmitBlockResponseMessage{
+			Error:        appmessage.RPCErrorf("Could not parse block: %s", err),
+			RejectReason: appmessage.RejectReasonBlockInvalid,
+		}, nil
+	}
+
+	err = context.ProtocolManager.AddBlock(domainBlock)
+	if err != nil {
+		isProtocolOrRuleError := errors.As(err, &ruleerrors.RuleError{}) || errors.As(err, &protocolerrors.ProtocolError{})
+		if !isProtocolOrRuleError {
 			return nil, err
 		}
+
 		return &appmessage.SubmitBlockResponseMessage{
 			Error:        appmessage.RPCErrorf("Block rejected. Reason: %s", err),
 			RejectReason: appmessage.RejectReasonBlockInvalid,

app/rpc/rpchandlers/unban.go

@@ -16,7 +16,7 @@ func HandleUnban(context *rpccontext.Context, _ *router.Router, request appmessa
 		errorMessage.Error = appmessage.RPCErrorf("Could not parse IP %s", unbanRequest.IP)
 		return errorMessage, nil
 	}
-	err := context.AddressManager.Unban(appmessage.NewNetAddressIPPort(ip, 0, 0))
+	err := context.AddressManager.Unban(appmessage.NewNetAddressIPPort(ip, 0))
 	if err != nil {
 		errorMessage := &appmessage.UnbanResponseMessage{}
 		errorMessage.Error = appmessage.RPCErrorf("Could not unban IP: %s", err)

changelog.txt

@@ -0,0 +1,11 @@
+Kaspad v0.8.10 - 2021-02-25
+===========================
+
+[*] Fix bug where invalid mempool transactions were not removed (#1551)
+[*] Add RPC reconnection to the miner (#1552)
+[*] Remove virtual diff parents - only selectedTip is virtualDiffParent now (#1550)
+[*] Fix UTXO index (#1548)
+[*] Prevent fast failing (#1545)
+[*] Increase the sleep time in kaspaminer when the node is not synced (#1544)
+[*] Disallow header only blocks on RPC, relay and when requesting IBD full blocks (#1537)
+[*] Make templateManager hold a DomainBlock and isSynced bool instead of a GetBlockTemplateResponseMessage (#1538)

cmd/kaspactl/README.md

@@ -4,7 +4,7 @@ kaspactl is an RPC client for kaspad
 
 ## Requirements
 
-Go 1.15 or later.
+Go 1.16 or later.
 
 ## Installation
 

cmd/kaspactl/docker/Dockerfile

@@ -1,5 +1,5 @@
 # -- multistage docker build: stage #1: build stage
-FROM golang:1.15-alpine AS build
+FROM golang:1.16-alpine AS build
 
 RUN mkdir -p /go/src/github.com/kaspanet/kaspad
 

cmd/kaspactl/main.go

@@ -2,10 +2,11 @@ package main
 
 import (
 	"fmt"
-	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/server/grpcserver/protowire"
 	"os"
 	"time"
 
+	"github.com/kaspanet/kaspad/infrastructure/network/netadapter/server/grpcserver/protowire"
+
 	"github.com/pkg/errors"
 	"google.golang.org/protobuf/encoding/protojson"
 
@@ -67,7 +68,7 @@ func postCommand(cfg *configFlags, client *grpcclient.GRPCClient, responseChan c
 	if err != nil {
 		printErrorAndExit(fmt.Sprintf("error posting the request to the RPC server: %s", err))
 	}
-	responseBytes, err := protojson.Marshal(response)
+	responseBytes, err := protojson.MarshalOptions{EmitUnpopulated: true}.Marshal(response)
 	if err != nil {
 		printErrorAndExit(errors.Wrapf(err, "error parsing the response from the RPC server").Error())
 	}
@@ -92,6 +93,7 @@ func prettifyResponse(response string) string {
 
 	marshalOptions := &protojson.MarshalOptions{}
 	marshalOptions.Indent = "    "
+	marshalOptions.EmitUnpopulated = true
 	return marshalOptions.Format(kaspadMessage)
 }
 

cmd/kaspaminer/README.md

@@ -4,7 +4,7 @@ Kaspaminer is a CPU-based miner for kaspad
 
 ## Requirements
 
-Go 1.15 or later.
+Go 1.16 or later.
 
 ## Installation
 

cmd/kaspaminer/client.go

@@ -5,42 +5,95 @@ import (
 	"github.com/kaspanet/kaspad/infrastructure/logger"
 	"github.com/kaspanet/kaspad/infrastructure/network/rpcclient"
 	"github.com/pkg/errors"
+	"sync"
+	"sync/atomic"
 	"time"
 )
 
 const minerTimeout = 10 * time.Second
 
 type minerClient struct {
-	*rpcclient.RPCClient
+	isReconnecting uint32
+	clientLock     sync.RWMutex
+	rpcClient      *rpcclient.RPCClient
 
+	cfg                        *configFlags
 	blockAddedNotificationChan chan struct{}
 }
 
-func newMinerClient(cfg *configFlags) (*minerClient, error) {
-	rpcAddress, err := cfg.NetParams().NormalizeRPCServerAddress(cfg.RPCServer)
-	if err != nil {
-		return nil, err
-	}
-	rpcClient, err := rpcclient.NewRPCClient(rpcAddress)
-	if err != nil {
-		return nil, err
-	}
-	rpcClient.SetTimeout(minerTimeout)
-	rpcClient.SetLogger(backendLog, logger.LevelTrace)
+func (mc *minerClient) safeRPCClient() *rpcclient.RPCClient {
+	mc.clientLock.RLock()
+	defer mc.clientLock.RUnlock()
+	return mc.rpcClient
+}
 
-	minerClient := &minerClient{
-		RPCClient:                  rpcClient,
-		blockAddedNotificationChan: make(chan struct{}),
+func (mc *minerClient) reconnect() {
+	swapped := atomic.CompareAndSwapUint32(&mc.isReconnecting, 0, 1)
+	if !swapped {
+		return
 	}
 
-	err = rpcClient.RegisterForBlockAddedNotifications(func(_ *appmessage.BlockAddedNotificationMessage) {
+	defer atomic.StoreUint32(&mc.isReconnecting, 0)
+
+	mc.clientLock.Lock()
+	defer mc.clientLock.Unlock()
+
+	retryDuration := time.Second
+	const maxRetryDuration = time.Minute
+	log.Infof("Reconnecting RPC connection")
+	for {
+		err := mc.connect()
+		if err == nil {
+			return
+		}
+
+		if retryDuration < time.Minute {
+			retryDuration *= 2
+		} else {
+			retryDuration = maxRetryDuration
+		}
+
+		log.Errorf("Got error '%s' while reconnecting. Trying again in %s", err, retryDuration)
+		time.Sleep(retryDuration)
+	}
+}
+
+func (mc *minerClient) connect() error {
+	rpcAddress, err := mc.cfg.NetParams().NormalizeRPCServerAddress(mc.cfg.RPCServer)
+	if err != nil {
+		return err
+	}
+	mc.rpcClient, err = rpcclient.NewRPCClient(rpcAddress)
+	if err != nil {
+		return err
+	}
+	mc.rpcClient.SetTimeout(minerTimeout)
+	mc.rpcClient.SetLogger(backendLog, logger.LevelTrace)
+
+	err = mc.rpcClient.RegisterForBlockAddedNotifications(func(_ *appmessage.BlockAddedNotificationMessage) {
 		select {
-		case minerClient.blockAddedNotificationChan <- struct{}{}:
+		case mc.blockAddedNotificationChan <- struct{}{}:
 		default:
 		}
 	})
 	if err != nil {
-		return nil, errors.Wrapf(err, "error requesting block-added notifications")
+		return errors.Wrapf(err, "error requesting block-added notifications")
+	}
+
+	log.Infof("Connected to %s", rpcAddress)
+
+	return nil
+}
+
+func newMinerClient(cfg *configFlags) (*minerClient, error) {
+	minerClient := &minerClient{
+		cfg:                        cfg,
+		blockAddedNotificationChan: make(chan struct{}),
+	}
+
+	err := minerClient.connect()
+	if err != nil {
+		return nil, err
 	}
 
 	return minerClient, nil

cmd/kaspaminer/config.go

@@ -24,9 +24,9 @@ const (
 
 var (
 	// Default configuration options
-	defaultHomeDir    = util.AppDataDir("kaspaminer", false)
-	defaultLogFile    = filepath.Join(defaultHomeDir, defaultLogFilename)
-	defaultErrLogFile = filepath.Join(defaultHomeDir, defaultErrLogFilename)
+	defaultAppDir     = util.AppDir("kaspaminer", false)
+	defaultLogFile    = filepath.Join(defaultAppDir, defaultLogFilename)
+	defaultErrLogFile = filepath.Join(defaultAppDir, defaultErrLogFilename)
 	defaultRPCServer  = "localhost"
 )
 

cmd/kaspaminer/docker/Dockerfile

@@ -1,5 +1,5 @@
 # -- multistage docker build: stage #1: build stage
-FROM golang:1.15-alpine AS build
+FROM golang:1.16-alpine AS build
 
 RUN mkdir -p /go/src/github.com/kaspanet/kaspad
 

cmd/kaspaminer/log.go

@@ -14,6 +14,7 @@ var (
 )
 
 func initLog(logFile, errLogFile string) {
+	log.SetLevel(logger.LevelDebug)
 	err := backendLog.AddLogFile(logFile, logger.LevelTrace)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "Error adding log file %s as log rotator for level %s: %s", logFile, logger.LevelTrace, err)
@@ -24,4 +25,15 @@ func initLog(logFile, errLogFile string) {
 		fmt.Fprintf(os.Stderr, "Error adding log file %s as log rotator for level %s: %s", errLogFile, logger.LevelWarn, err)
 		os.Exit(1)
 	}
+	err = backendLog.AddLogWriter(os.Stdout, logger.LevelInfo)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error adding stdout to the loggerfor level %s: %s", logger.LevelWarn, err)
+		os.Exit(1)
+	}
+	err = backendLog.Run()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error starting the logger: %s ", err)
+		os.Exit(1)
+	}
+
 }

cmd/kaspaminer/main.go

@@ -26,6 +26,7 @@ func main() {
 		fmt.Fprintf(os.Stderr, "Error parsing command-line arguments: %s\n", err)
 		os.Exit(1)
 	}
+	defer backendLog.Close()
 
 	// Show version at startup.
 	log.Infof("Version %s", version.Version())
@@ -39,7 +40,7 @@ func main() {
 	if err != nil {
 		panic(errors.Wrap(err, "error connecting to the RPC server"))
 	}
-	defer client.Disconnect()
+	defer client.safeRPCClient().Disconnect()
 
 	miningAddr, err := util.DecodeAddress(cfg.MiningAddr, cfg.ActiveNetParams.Prefix)
 	if err != nil {

cmd/kaspaminer/mineloop.go

@@ -2,13 +2,14 @@ package main
 
 import (
 	nativeerrors "errors"
-	"github.com/kaspanet/kaspad/cmd/kaspaminer/templatemanager"
-	"github.com/kaspanet/kaspad/domain/consensus/model/pow"
-	"github.com/kaspanet/kaspad/util/difficulty"
 	"math/rand"
 	"sync/atomic"
 	"time"
 
+	"github.com/kaspanet/kaspad/cmd/kaspaminer/templatemanager"
+	"github.com/kaspanet/kaspad/domain/consensus/model/pow"
+	"github.com/kaspanet/kaspad/util/difficulty"
+
 	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
 
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
@@ -43,32 +44,33 @@ func mineLoop(client *minerClient, numberOfBlocks uint64, targetBlocksPerSecond
 
 	spawn("blocksLoop", func() {
 		const windowSize = 10
-		var expectedDurationForWindow time.Duration
-		var windowExpectedEndTime time.Time
 		hasBlockRateTarget := targetBlocksPerSecond != 0
+		var windowTicker, blockTicker *time.Ticker
+		// We use tickers to limit the block rate:
+		// 1. windowTicker -> makes sure that the last windowSize blocks take at least windowSize*targetBlocksPerSecond.
+		// 2. blockTicker -> makes sure that each block takes at least targetBlocksPerSecond/windowSize.
+		// that way we both allow for fluctuation in block rate but also make sure they're not too big (by an order of magnitude)
 		if hasBlockRateTarget {
-			expectedDurationForWindow = time.Duration(float64(windowSize)/targetBlocksPerSecond) * time.Second
-			windowExpectedEndTime = time.Now().Add(expectedDurationForWindow)
+			windowRate := time.Duration(float64(time.Second) / (targetBlocksPerSecond / windowSize))
+			blockRate := time.Duration(float64(time.Second) / (targetBlocksPerSecond * windowSize))
+			log.Infof("Minimum average time per %d blocks: %s, smaller minimum time per block: %s", windowSize, windowRate, blockRate)
+			windowTicker = time.NewTicker(windowRate)
+			blockTicker = time.NewTicker(blockRate)
+			defer windowTicker.Stop()
+			defer blockTicker.Stop()
 		}
-		blockInWindowIndex := 0
-
-		for {
+		windowStart := time.Now()
+		for blockIndex := 1; ; blockIndex++ {
 			foundBlockChan <- mineNextBlock(mineWhenNotSynced)
-
 			if hasBlockRateTarget {
-				blockInWindowIndex++
-				if blockInWindowIndex == windowSize-1 {
-					deviation := windowExpectedEndTime.Sub(time.Now())
-					if deviation > 0 {
-						log.Infof("Finished to mine %d blocks %s earlier than expected. Sleeping %s to compensate",
-							windowSize, deviation, deviation)
-						time.Sleep(deviation)
-					}
-					blockInWindowIndex = 0
-					windowExpectedEndTime = time.Now().Add(expectedDurationForWindow)
+				<-blockTicker.C
+				if (blockIndex % windowSize) == 0 {
+					tickerStart := time.Now()
+					<-windowTicker.C
+					log.Infof("Finished mining %d blocks in: %s. slept for: %s", windowSize, time.Since(windowStart), time.Since(tickerStart))
+					windowStart = time.Now()
 				}
 			}
-
 		}
 	})
 
@@ -112,12 +114,13 @@ func logHashRate() {
 
 func handleFoundBlock(client *minerClient, block *externalapi.DomainBlock) error {
 	blockHash := consensushashing.BlockHash(block)
-	log.Infof("Submitting block %s to %s", blockHash, client.Address())
+	log.Infof("Submitting block %s to %s", blockHash, client.safeRPCClient().Address())
 
-	rejectReason, err := client.SubmitBlock(block)
+	rejectReason, err := client.safeRPCClient().SubmitBlock(block)
 	if err != nil {
 		if nativeerrors.Is(err, router.ErrTimeout) {
-			log.Warnf("Got timeout while submitting block %s to %s: %s", blockHash, client.Address(), err)
+			log.Warnf("Got timeout while submitting block %s to %s: %s", blockHash, client.safeRPCClient().Address(), err)
+			client.reconnect()
 			return nil
 		}
 		if rejectReason == appmessage.RejectReasonIsInIBD {
@@ -126,7 +129,7 @@ func handleFoundBlock(client *minerClient, block *externalapi.DomainBlock) error
 			time.Sleep(waitTime)
 			return nil
 		}
-		return errors.Errorf("Error submitting block %s to %s: %s", blockHash, client.Address(), err)
+		return errors.Wrapf(err, "Error submitting block %s to %s", blockHash, client.safeRPCClient().Address())
 	}
 	return nil
 }
@@ -155,11 +158,15 @@ func mineNextBlock(mineWhenNotSynced bool) *externalapi.DomainBlock {
 
 func getBlockForMining(mineWhenNotSynced bool) *externalapi.DomainBlock {
 	tryCount := 0
+
+	const sleepTime = 500 * time.Millisecond
+	const sleepTimeWhenNotSynced = 5 * time.Second
+
 	for {
 		tryCount++
-		const sleepTime = 500 * time.Millisecond
+
 		shouldLog := (tryCount-1)%10 == 0
-		template := templatemanager.Get()
+		template, isSynced := templatemanager.Get()
 		if template == nil {
 			if shouldLog {
 				log.Info("Waiting for the initial template")
@@ -167,30 +174,35 @@ func getBlockForMining(mineWhenNotSynced bool) *externalapi.DomainBlock {
 			time.Sleep(sleepTime)
 			continue
 		}
-		if !template.IsSynced && !mineWhenNotSynced {
+		if !isSynced && !mineWhenNotSynced {
 			if shouldLog {
 				log.Warnf("Kaspad is not synced. Skipping current block template")
 			}
-			time.Sleep(sleepTime)
+			time.Sleep(sleepTimeWhenNotSynced)
 			continue
 		}
 
-		return appmessage.MsgBlockToDomainBlock(template.MsgBlock)
+		return template
 	}
 }
 
 func templatesLoop(client *minerClient, miningAddr util.Address, errChan chan error) {
 	getBlockTemplate := func() {
-		template, err := client.GetBlockTemplate(miningAddr.String())
+		template, err := client.safeRPCClient().GetBlockTemplate(miningAddr.String())
 		if nativeerrors.Is(err, router.ErrTimeout) {
-			log.Warnf("Got timeout while requesting block template from %s: %s", client.Address(), err)
+			log.Warnf("Got timeout while requesting block template from %s: %s", client.safeRPCClient().Address(), err)
+			client.reconnect()
 			return
 		}
 		if err != nil {
-			errChan <- errors.Errorf("Error getting block template from %s: %s", client.Address(), err)
+			errChan <- errors.Wrapf(err, "Error getting block template from %s", client.safeRPCClient().Address())
+			return
+		}
+		err = templatemanager.Set(template)
+		if err != nil {
+			errChan <- errors.Wrapf(err, "Error setting block template from %s", client.safeRPCClient().Address())
 			return
 		}
-		templatemanager.Set(template)
 	}
 
 	getBlockTemplate()

cmd/kaspaminer/templatemanager/templatemanager.go

@@ -2,22 +2,35 @@ package templatemanager
 
 import (
 	"github.com/kaspanet/kaspad/app/appmessage"
+	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
 	"sync"
 )
 
-var currentTemplate *appmessage.GetBlockTemplateResponseMessage
+var currentTemplate *externalapi.DomainBlock
+var isSynced bool
 var lock = &sync.Mutex{}
 
 // Get returns the template to work on
-func Get() *appmessage.GetBlockTemplateResponseMessage {
+func Get() (*externalapi.DomainBlock, bool) {
 	lock.Lock()
 	defer lock.Unlock()
-	return currentTemplate
+	// Shallow copy the block so when the user replaces the header it won't affect the template here.
+	if currentTemplate == nil {
+		return nil, false
+	}
+	block := *currentTemplate
+	return &block, isSynced
 }
 
 // Set sets the current template to work on
-func Set(template *appmessage.GetBlockTemplateResponseMessage) {
+func Set(template *appmessage.GetBlockTemplateResponseMessage) error {
+	block, err := appmessage.RPCBlockToDomainBlock(template.Block)
+	if err != nil {
+		return err
+	}
 	lock.Lock()
 	defer lock.Unlock()
-	currentTemplate = template
+	currentTemplate = block
+	isSynced = template.IsSynced
+	return nil
 }

cmd/wallet/README.md

@@ -10,7 +10,7 @@ It is capable of generating wallet key-pairs, printing a wallet's current balanc
 
 ## Requirements
 
-Go 1.15 or later.
+Go 1.16 or later.
 
 ## Installation
 

cmd/wallet/common.go

@@ -10,7 +10,8 @@ func isUTXOSpendable(entry *appmessage.UTXOsByAddressesEntry, virtualSelectedPar
 	if !entry.UTXOEntry.IsCoinbase {
 		return true
 	}
-	blockBlueScore := entry.UTXOEntry.BlockBlueScore
+	blockBlueScore := entry.UTXOEntry.BlockDAAScore
+	// TODO: Check for a better alternative than virtualSelectedParentBlueScore
 	return blockBlueScore+coinbaseMaturity < virtualSelectedParentBlueScore
 }
 

cmd/wallet/create.go

@@ -9,7 +9,7 @@ import (
 )
 
 func create(conf *createConfig) error {
-	privateKey, err := secp256k1.GeneratePrivateKey()
+	privateKey, err := secp256k1.GenerateSchnorrKeyPair()
 	if err != nil {
 		return errors.Wrap(err, "Failed to generate private key")
 	}

cmd/wallet/send.go

@@ -3,9 +3,11 @@ package main
 import (
 	"encoding/hex"
 	"fmt"
+
 	"github.com/kaspanet/go-secp256k1"
 	"github.com/kaspanet/kaspad/app/appmessage"
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
+	"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/constants"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/subnetworks"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/transactionid"
@@ -75,7 +77,7 @@ func parsePrivateKey(privateKeyHex string) (*secp256k1.SchnorrKeyPair, *secp256k
 	if err != nil {
 		return nil, nil, errors.Wrap(err, "Error parsing private key hex")
 	}
-	keyPair, err := secp256k1.DeserializePrivateKeyFromSlice(privateKeyBytes)
+	keyPair, err := secp256k1.DeserializeSchnorrPrivateKeyFromSlice(privateKeyBytes)
 	if err != nil {
 		return nil, nil, errors.Wrap(err, "Error deserializing private key")
 	}
@@ -177,11 +179,12 @@ func generateTransaction(keyPair *secp256k1.SchnorrKeyPair, selectedUTXOs []*app
 		SubnetworkID: subnetworks.SubnetworkIDNative,
 		Gas:          0,
 		Payload:      nil,
-		PayloadHash:  externalapi.DomainHash{},
 	}
+	sighashReusedValues := &consensushashing.SighashReusedValues{}
 
 	for i, input := range domainTransaction.Inputs {
-		signatureScript, err := txscript.SignatureScript(domainTransaction, i, fromScript, txscript.SigHashAll, keyPair)
+		signatureScript, err := txscript.SignatureScript(
+			domainTransaction, i, consensushashing.SigHashAll, keyPair, sighashReusedValues)
 		if err != nil {
 			return nil, err
 		}

docker/Dockerfile

@@ -1,5 +1,5 @@
 # -- multistage docker build: stage #1: build stage
-FROM golang:1.15-alpine AS build
+FROM golang:1.16-alpine AS build
 
 RUN mkdir -p /go/src/github.com/kaspanet/kaspad
 
@@ -16,9 +16,12 @@ RUN go get -u golang.org/x/lint/golint \
 COPY go.mod .
 COPY go.sum .
 
+# Cache kaspad dependencies
+RUN go mod download
+
 COPY . .
 
-RUN NO_PARALLEL=1 ./build_and_test.sh
+RUN ./build_and_test.sh
 
 # --- multistage docker build: stage #2: runtime image
 FROM alpine

domain/consensus/consensus.go

@@ -46,6 +46,7 @@ type consensus struct {
 	utxoDiffStore             model.UTXODiffStore
 	finalityStore             model.FinalityStore
 	headersSelectedChainStore model.HeadersSelectedChainStore
+	daaBlocksStore            model.DAABlocksStore
 }
 
 // BuildBlock builds a block over the current state, with the transactions
@@ -74,30 +75,34 @@ func (s *consensus) ValidateTransactionAndPopulateWithConsensusData(transaction
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
+	stagingArea := model.NewStagingArea()
+
 	err := s.transactionValidator.ValidateTransactionInIsolation(transaction)
 	if err != nil {
 		return err
 	}
 
-	err = s.consensusStateManager.PopulateTransactionWithUTXOEntries(transaction)
+	err = s.consensusStateManager.PopulateTransactionWithUTXOEntries(stagingArea, transaction)
 	if err != nil {
 		return err
 	}
 
-	virtualSelectedParentMedianTime, err := s.pastMedianTimeManager.PastMedianTime(model.VirtualBlockHash)
+	virtualSelectedParentMedianTime, err := s.pastMedianTimeManager.PastMedianTime(stagingArea, model.VirtualBlockHash)
 	if err != nil {
 		return err
 	}
 
-	return s.transactionValidator.ValidateTransactionInContextAndPopulateMassAndFee(transaction,
-		model.VirtualBlockHash, virtualSelectedParentMedianTime)
+	return s.transactionValidator.ValidateTransactionInContextAndPopulateMassAndFee(
+		stagingArea, transaction, model.VirtualBlockHash, virtualSelectedParentMedianTime)
 }
 
 func (s *consensus) GetBlock(blockHash *externalapi.DomainHash) (*externalapi.DomainBlock, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	block, err := s.blockStore.Block(s.databaseContext, blockHash)
+	stagingArea := model.NewStagingArea()
+
+	block, err := s.blockStore.Block(s.databaseContext, stagingArea, blockHash)
 	if err != nil {
 		if errors.Is(err, database.ErrNotFound) {
 			return nil, errors.Wrapf(err, "block %s does not exist", blockHash)
@@ -111,7 +116,9 @@ func (s *consensus) GetBlockHeader(blockHash *externalapi.DomainHash) (externala
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	blockHeader, err := s.blockHeaderStore.BlockHeader(s.databaseContext, blockHash)
+	stagingArea := model.NewStagingArea()
+
+	blockHeader, err := s.blockHeaderStore.BlockHeader(s.databaseContext, stagingArea, blockHash)
 	if err != nil {
 		if errors.Is(err, database.ErrNotFound) {
 			return nil, errors.Wrapf(err, "block header %s does not exist", blockHash)
@@ -125,9 +132,11 @@ func (s *consensus) GetBlockInfo(blockHash *externalapi.DomainHash) (*externalap
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
+	stagingArea := model.NewStagingArea()
+
 	blockInfo := &externalapi.BlockInfo{}
 
-	exists, err := s.blockStatusStore.Exists(s.databaseContext, blockHash)
+	exists, err := s.blockStatusStore.Exists(s.databaseContext, stagingArea, blockHash)
 	if err != nil {
 		return nil, err
 	}
@@ -136,7 +145,7 @@ func (s *consensus) GetBlockInfo(blockHash *externalapi.DomainHash) (*externalap
 		return blockInfo, nil
 	}
 
-	blockStatus, err := s.blockStatusStore.Get(s.databaseContext, blockHash)
+	blockStatus, err := s.blockStatusStore.Get(s.databaseContext, stagingArea, blockHash)
 	if err != nil {
 		return nil, err
 	}
@@ -147,7 +156,7 @@ func (s *consensus) GetBlockInfo(blockHash *externalapi.DomainHash) (*externalap
 		return blockInfo, nil
 	}
 
-	ghostdagData, err := s.ghostdagDataStore.Get(s.databaseContext, blockHash)
+	ghostdagData, err := s.ghostdagDataStore.Get(s.databaseContext, stagingArea, blockHash)
 	if err != nil {
 		return nil, err
 	}
@@ -157,46 +166,74 @@ func (s *consensus) GetBlockInfo(blockHash *externalapi.DomainHash) (*externalap
 	return blockInfo, nil
 }
 
+func (s *consensus) GetBlockRelations(blockHash *externalapi.DomainHash) (
+	parents []*externalapi.DomainHash, selectedParent *externalapi.DomainHash,
+	children []*externalapi.DomainHash, err error) {
+
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	stagingArea := model.NewStagingArea()
+
+	blockRelation, err := s.blockRelationStore.BlockRelation(s.databaseContext, stagingArea, blockHash)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	blockGHOSTDAGData, err := s.ghostdagDataStore.Get(s.databaseContext, stagingArea, blockHash)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	return blockRelation.Parents, blockGHOSTDAGData.SelectedParent(), blockRelation.Children, nil
+}
+
 func (s *consensus) GetBlockAcceptanceData(blockHash *externalapi.DomainHash) (externalapi.AcceptanceData, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	err := s.validateBlockHashExists(blockHash)
+	stagingArea := model.NewStagingArea()
+
+	err := s.validateBlockHashExists(stagingArea, blockHash)
 	if err != nil {
 		return nil, err
 	}
 
-	return s.acceptanceDataStore.Get(s.databaseContext, blockHash)
+	return s.acceptanceDataStore.Get(s.databaseContext, stagingArea, blockHash)
 }
 
-func (s *consensus) GetHashesBetween(lowHash, highHash *externalapi.DomainHash,
-	maxBlueScoreDifference uint64) ([]*externalapi.DomainHash, error) {
+func (s *consensus) GetHashesBetween(lowHash, highHash *externalapi.DomainHash, maxBlueScoreDifference uint64) (
+	hashes []*externalapi.DomainHash, actualHighHash *externalapi.DomainHash, err error) {
 
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	err := s.validateBlockHashExists(lowHash)
+	stagingArea := model.NewStagingArea()
+
+	err = s.validateBlockHashExists(stagingArea, lowHash)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
-	err = s.validateBlockHashExists(highHash)
+	err = s.validateBlockHashExists(stagingArea, highHash)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 
-	return s.syncManager.GetHashesBetween(lowHash, highHash, maxBlueScoreDifference)
+	return s.syncManager.GetHashesBetween(stagingArea, lowHash, highHash, maxBlueScoreDifference)
 }
 
 func (s *consensus) GetMissingBlockBodyHashes(highHash *externalapi.DomainHash) ([]*externalapi.DomainHash, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	err := s.validateBlockHashExists(highHash)
+	stagingArea := model.NewStagingArea()
+
+	err := s.validateBlockHashExists(stagingArea, highHash)
 	if err != nil {
 		return nil, err
 	}
 
-	return s.syncManager.GetMissingBlockBodyHashes(highHash)
+	return s.syncManager.GetMissingBlockBodyHashes(stagingArea, highHash)
 }
 
 func (s *consensus) GetPruningPointUTXOs(expectedPruningPointHash *externalapi.DomainHash,
@@ -205,7 +242,9 @@ func (s *consensus) GetPruningPointUTXOs(expectedPruningPointHash *externalapi.D
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	pruningPointHash, err := s.pruningStore.PruningPoint(s.databaseContext)
+	stagingArea := model.NewStagingArea()
+
+	pruningPointHash, err := s.pruningStore.PruningPoint(s.databaseContext, stagingArea)
 	if err != nil {
 		return nil, err
 	}
@@ -223,11 +262,39 @@ func (s *consensus) GetPruningPointUTXOs(expectedPruningPointHash *externalapi.D
 	return pruningPointUTXOs, nil
 }
 
+func (s *consensus) GetVirtualUTXOs(expectedVirtualParents []*externalapi.DomainHash,
+	fromOutpoint *externalapi.DomainOutpoint, limit int) ([]*externalapi.OutpointAndUTXOEntryPair, error) {
+
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	stagingArea := model.NewStagingArea()
+
+	virtualParents, err := s.dagTopologyManager.Parents(stagingArea, model.VirtualBlockHash)
+	if err != nil {
+		return nil, err
+	}
+
+	if !externalapi.HashesEqual(expectedVirtualParents, virtualParents) {
+		return nil, errors.Wrapf(ruleerrors.ErrGetVirtualUTXOsWrongVirtualParents, "expected virtual parents %s but got %s",
+			expectedVirtualParents,
+			virtualParents)
+	}
+
+	virtualUTXOs, err := s.consensusStateStore.VirtualUTXOs(s.databaseContext, fromOutpoint, limit)
+	if err != nil {
+		return nil, err
+	}
+	return virtualUTXOs, nil
+}
+
 func (s *consensus) PruningPoint() (*externalapi.DomainHash, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	return s.pruningStore.PruningPoint(s.databaseContext)
+	stagingArea := model.NewStagingArea()
+
+	return s.pruningStore.PruningPoint(s.databaseContext, stagingArea)
 }
 
 func (s *consensus) ClearImportedPruningPointData() error {
@@ -255,7 +322,9 @@ func (s *consensus) GetVirtualSelectedParent() (*externalapi.DomainHash, error)
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	virtualGHOSTDAGData, err := s.ghostdagDataStore.Get(s.databaseContext, model.VirtualBlockHash)
+	stagingArea := model.NewStagingArea()
+
+	virtualGHOSTDAGData, err := s.ghostdagDataStore.Get(s.databaseContext, stagingArea, model.VirtualBlockHash)
 	if err != nil {
 		return nil, err
 	}
@@ -266,26 +335,30 @@ func (s *consensus) Tips() ([]*externalapi.DomainHash, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	return s.consensusStateStore.Tips(s.databaseContext)
+	stagingArea := model.NewStagingArea()
+
+	return s.consensusStateStore.Tips(stagingArea, s.databaseContext)
 }
 
 func (s *consensus) GetVirtualInfo() (*externalapi.VirtualInfo, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	blockRelations, err := s.blockRelationStore.BlockRelation(s.databaseContext, model.VirtualBlockHash)
+	stagingArea := model.NewStagingArea()
+
+	blockRelations, err := s.blockRelationStore.BlockRelation(s.databaseContext, stagingArea, model.VirtualBlockHash)
 	if err != nil {
 		return nil, err
 	}
-	bits, err := s.difficultyManager.RequiredDifficulty(model.VirtualBlockHash)
+	bits, err := s.difficultyManager.RequiredDifficulty(stagingArea, model.VirtualBlockHash)
 	if err != nil {
 		return nil, err
 	}
-	pastMedianTime, err := s.pastMedianTimeManager.PastMedianTime(model.VirtualBlockHash)
+	pastMedianTime, err := s.pastMedianTimeManager.PastMedianTime(stagingArea, model.VirtualBlockHash)
 	if err != nil {
 		return nil, err
 	}
-	virtualGHOSTDAGData, err := s.ghostdagDataStore.Get(s.databaseContext, model.VirtualBlockHash)
+	virtualGHOSTDAGData, err := s.ghostdagDataStore.Get(s.databaseContext, stagingArea, model.VirtualBlockHash)
 	if err != nil {
 		return nil, err
 	}
@@ -302,76 +375,87 @@ func (s *consensus) CreateBlockLocator(lowHash, highHash *externalapi.DomainHash
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	err := s.validateBlockHashExists(lowHash)
+	stagingArea := model.NewStagingArea()
+
+	err := s.validateBlockHashExists(stagingArea, lowHash)
 	if err != nil {
 		return nil, err
 	}
-	err = s.validateBlockHashExists(highHash)
+	err = s.validateBlockHashExists(stagingArea, highHash)
 	if err != nil {
 		return nil, err
 	}
 
-	return s.syncManager.CreateBlockLocator(lowHash, highHash, limit)
+	return s.syncManager.CreateBlockLocator(stagingArea, lowHash, highHash, limit)
 }
 
 func (s *consensus) CreateFullHeadersSelectedChainBlockLocator() (externalapi.BlockLocator, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	lowHash, err := s.pruningStore.PruningPoint(s.databaseContext)
+	stagingArea := model.NewStagingArea()
+
+	lowHash, err := s.pruningStore.PruningPoint(s.databaseContext, stagingArea)
 	if err != nil {
 		return nil, err
 	}
 
-	highHash, err := s.headersSelectedTipStore.HeadersSelectedTip(s.databaseContext)
+	highHash, err := s.headersSelectedTipStore.HeadersSelectedTip(s.databaseContext, stagingArea)
 	if err != nil {
 		return nil, err
 	}
 
-	return s.syncManager.CreateHeadersSelectedChainBlockLocator(lowHash, highHash)
+	return s.syncManager.CreateHeadersSelectedChainBlockLocator(stagingArea, lowHash, highHash)
 }
 
-func (s *consensus) CreateHeadersSelectedChainBlockLocator(lowHash,
-	highHash *externalapi.DomainHash) (externalapi.BlockLocator, error) {
+func (s *consensus) CreateHeadersSelectedChainBlockLocator(lowHash, highHash *externalapi.DomainHash) (externalapi.BlockLocator, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	return s.syncManager.CreateHeadersSelectedChainBlockLocator(lowHash, highHash)
+	stagingArea := model.NewStagingArea()
+
+	return s.syncManager.CreateHeadersSelectedChainBlockLocator(stagingArea, lowHash, highHash)
 }
 
 func (s *consensus) GetSyncInfo() (*externalapi.SyncInfo, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	return s.syncManager.GetSyncInfo()
+	stagingArea := model.NewStagingArea()
+
+	return s.syncManager.GetSyncInfo(stagingArea)
 }
 
 func (s *consensus) IsValidPruningPoint(blockHash *externalapi.DomainHash) (bool, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	err := s.validateBlockHashExists(blockHash)
+	stagingArea := model.NewStagingArea()
+
+	err := s.validateBlockHashExists(stagingArea, blockHash)
 	if err != nil {
 		return false, err
 	}
 
-	return s.pruningManager.IsValidPruningPoint(blockHash)
+	return s.pruningManager.IsValidPruningPoint(stagingArea, blockHash)
 }
 
 func (s *consensus) GetVirtualSelectedParentChainFromBlock(blockHash *externalapi.DomainHash) (*externalapi.SelectedChainPath, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	err := s.validateBlockHashExists(blockHash)
+	stagingArea := model.NewStagingArea()
+
+	err := s.validateBlockHashExists(stagingArea, blockHash)
 	if err != nil {
 		return nil, err
 	}
 
-	return s.consensusStateManager.GetVirtualSelectedParentChainFromBlock(blockHash)
+	return s.consensusStateManager.GetVirtualSelectedParentChainFromBlock(stagingArea, blockHash)
 }
 
-func (s *consensus) validateBlockHashExists(blockHash *externalapi.DomainHash) error {
-	exists, err := s.blockStatusStore.Exists(s.databaseContext, blockHash)
+func (s *consensus) validateBlockHashExists(stagingArea *model.StagingArea, blockHash *externalapi.DomainHash) error {
+	exists, err := s.blockStatusStore.Exists(s.databaseContext, stagingArea, blockHash)
 	if err != nil {
 		return err
 	}
@@ -385,33 +469,39 @@ func (s *consensus) IsInSelectedParentChainOf(blockHashA *externalapi.DomainHash
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	err := s.validateBlockHashExists(blockHashA)
+	stagingArea := model.NewStagingArea()
+
+	err := s.validateBlockHashExists(stagingArea, blockHashA)
 	if err != nil {
 		return false, err
 	}
-	err = s.validateBlockHashExists(blockHashB)
+	err = s.validateBlockHashExists(stagingArea, blockHashB)
 	if err != nil {
 		return false, err
 	}
 
-	return s.dagTopologyManager.IsInSelectedParentChainOf(blockHashA, blockHashB)
+	return s.dagTopologyManager.IsInSelectedParentChainOf(stagingArea, blockHashA, blockHashB)
 }
 
 func (s *consensus) GetHeadersSelectedTip() (*externalapi.DomainHash, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	return s.headersSelectedTipStore.HeadersSelectedTip(s.databaseContext)
+	stagingArea := model.NewStagingArea()
+
+	return s.headersSelectedTipStore.HeadersSelectedTip(s.databaseContext, stagingArea)
 }
 
 func (s *consensus) Anticone(blockHash *externalapi.DomainHash) ([]*externalapi.DomainHash, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 
-	err := s.validateBlockHashExists(blockHash)
+	stagingArea := model.NewStagingArea()
+
+	err := s.validateBlockHashExists(stagingArea, blockHash)
 	if err != nil {
 		return nil, err
 	}
 
-	return s.dagTraversalManager.Anticone(blockHash)
+	return s.dagTraversalManager.Anticone(stagingArea, blockHash)
 }

domain/consensus/constructors.go

@@ -1,6 +1,21 @@
 package consensus
 
-import "github.com/kaspanet/kaspad/domain/consensus/model"
+import (
+	"github.com/kaspanet/kaspad/domain/consensus/model"
+	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
+	"math/big"
+	"time"
+)
 
 // GHOSTDAGManagerConstructor is the function signature for a constructor of a type implementing model.GHOSTDAGManager
-type GHOSTDAGManagerConstructor func(model.DBReader, model.DAGTopologyManager, model.GHOSTDAGDataStore, model.BlockHeaderStore, model.KType) model.GHOSTDAGManager
+type GHOSTDAGManagerConstructor func(model.DBReader, model.DAGTopologyManager,
+	model.GHOSTDAGDataStore, model.BlockHeaderStore, model.KType) model.GHOSTDAGManager
+
+// DifficultyManagerConstructor is the function signature for a constructor of a type implementing model.DifficultyManager
+type DifficultyManagerConstructor func(model.DBReader, model.GHOSTDAGManager, model.GHOSTDAGDataStore,
+	model.BlockHeaderStore, model.DAABlocksStore, model.DAGTopologyManager, model.DAGTraversalManager, *big.Int, int, bool, time.Duration,
+	*externalapi.DomainHash) model.DifficultyManager
+
+// PastMedianTimeManagerConstructor is the function signature for a constructor of a type implementing model.PastMedianTimeManager
+type PastMedianTimeManagerConstructor func(int, model.DBReader, model.DAGTraversalManager, model.BlockHeaderStore,
+	model.GHOSTDAGDataStore, *externalapi.DomainHash) model.PastMedianTimeManager

domain/consensus/database/binaryserialization/common.go

@@ -0,0 +1,24 @@
+package binaryserialization
+
+import (
+	"encoding/binary"
+	"github.com/pkg/errors"
+)
+
+const uint64Length = 8
+
+// SerializeUint64 serializes a uint64
+func SerializeUint64(value uint64) []byte {
+	var keyBytes [uint64Length]byte
+	binary.LittleEndian.PutUint64(keyBytes[:], value)
+	return keyBytes[:]
+}
+
+// DeserializeUint64 deserializes bytes to uint64
+func DeserializeUint64(valueBytes []byte) (uint64, error) {
+	if len(valueBytes) != uint64Length {
+		return 0, errors.Errorf("the given value is %d bytes so it cannot be deserialized into uint64",
+			len(valueBytes))
+	}
+	return binary.LittleEndian.Uint64(valueBytes), nil
+}

domain/consensus/database/binaryserialization/hash.go

@@ -1,13 +1,47 @@
 package binaryserialization
 
-import "github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
+import (
+	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
+	"github.com/pkg/errors"
+)
 
 // SerializeHash serializes hash to a slice of bytes
 func SerializeHash(hash *externalapi.DomainHash) []byte {
 	return hash.ByteSlice()
 }
 
-// DeserializeHash a slice of bytes to a hash
+// DeserializeHash deserializes a slice of bytes to a hash
 func DeserializeHash(hashBytes []byte) (*externalapi.DomainHash, error) {
 	return externalapi.NewDomainHashFromByteSlice(hashBytes)
 }
+
+// SerializeHashes serializes a slice of hashes to a slice of bytes
+func SerializeHashes(hashes []*externalapi.DomainHash) []byte {
+	buff := make([]byte, len(hashes)*externalapi.DomainHashSize)
+	for i, hash := range hashes {
+		copy(buff[externalapi.DomainHashSize*i:], hash.ByteSlice())
+	}
+
+	return buff
+}
+
+// DeserializeHashes deserializes a slice of bytes to a slice of hashes
+func DeserializeHashes(hashesBytes []byte) ([]*externalapi.DomainHash, error) {
+	if len(hashesBytes)%externalapi.DomainHashSize != 0 {
+		return nil, errors.Errorf("The length of hashBytes is not divisible by externalapi.DomainHashSize (%d)",
+			externalapi.DomainHashSize)
+	}
+
+	numHashes := len(hashesBytes) / externalapi.DomainHashSize
+	hashes := make([]*externalapi.DomainHash, numHashes)
+	for i := 0; i < numHashes; i++ {
+		var err error
+		start := i * externalapi.DomainHashSize
+		end := i*externalapi.DomainHashSize + externalapi.DomainHashSize
+		hashes[i], err = externalapi.NewDomainHashFromByteSlice(hashesBytes[start:end])
+		if err != nil {
+			return nil, err
+		}
+	}
+	return hashes, nil
+}

domain/consensus/database/binaryserialization/selected_chain.go

@@ -1,15 +0,0 @@
-package binaryserialization
-
-import "encoding/binary"
-
-// SerializeChainBlockIndex serializes chain block index
-func SerializeChainBlockIndex(index uint64) []byte {
-	var keyBytes [8]byte
-	binary.LittleEndian.PutUint64(keyBytes[:], index)
-	return keyBytes[:]
-}
-
-// DeserializeChainBlockIndex deserializes chain block index to uint64
-func DeserializeChainBlockIndex(indexBytes []byte) uint64 {
-	return binary.LittleEndian.Uint64(indexBytes)
-}

domain/consensus/database/cursor.go

@@ -3,25 +3,40 @@ package database
 import (
 	"github.com/kaspanet/kaspad/domain/consensus/model"
 	"github.com/kaspanet/kaspad/infrastructure/db/database"
+	"github.com/pkg/errors"
 )
 
 type dbCursor struct {
-	cursor database.Cursor
+	cursor   database.Cursor
+	isClosed bool
 }
 
 func (d dbCursor) Next() bool {
+	if d.isClosed {
+		panic("Tried using a closed DBCursor")
+	}
+
 	return d.cursor.Next()
 }
 
 func (d dbCursor) First() bool {
+	if d.isClosed {
+		panic("Tried using a closed DBCursor")
+	}
 	return d.cursor.First()
 }
 
 func (d dbCursor) Seek(key model.DBKey) error {
+	if d.isClosed {
+		return errors.New("Tried using a closed DBCursor")
+	}
 	return d.cursor.Seek(dbKeyToDatabaseKey(key))
 }
 
 func (d dbCursor) Key() (model.DBKey, error) {
+	if d.isClosed {
+		return nil, errors.New("Tried using a closed DBCursor")
+	}
 	key, err := d.cursor.Key()
 	if err != nil {
 		return nil, err
@@ -31,11 +46,23 @@ func (d dbCursor) Key() (model.DBKey, error) {
 }
 
 func (d dbCursor) Value() ([]byte, error) {
+	if d.isClosed {
+		return nil, errors.New("Tried using a closed DBCursor")
+	}
 	return d.cursor.Value()
 }
 
 func (d dbCursor) Close() error {
-	return d.cursor.Close()
+	if d.isClosed {
+		return errors.New("Tried using a closed DBCursor")
+	}
+	d.isClosed = true
+	err := d.cursor.Close()
+	if err != nil {
+		return err
+	}
+	d.cursor = nil
+	return nil
 }
 
 func newDBCursor(cursor database.Cursor) model.DBCursor {

domain/consensus/database/serialization/dbobjects.pb.go

@@ -241,7 +241,6 @@ type DbTransaction struct {
 	LockTime     uint64                 `protobuf:"varint,4,opt,name=lockTime,proto3" json:"lockTime,omitempty"`
 	SubnetworkID *DbSubnetworkId        `protobuf:"bytes,5,opt,name=subnetworkID,proto3" json:"subnetworkID,omitempty"`
 	Gas          uint64                 `protobuf:"varint,6,opt,name=gas,proto3" json:"gas,omitempty"`
-	PayloadHash  *DbHash                `protobuf:"bytes,7,opt,name=payloadHash,proto3" json:"payloadHash,omitempty"`
 	Payload      []byte                 `protobuf:"bytes,8,opt,name=payload,proto3" json:"payload,omitempty"`
 }
 
@@ -319,13 +318,6 @@ func (x *DbTransaction) GetGas() uint64 {
 	return 0
 }
 
-func (x *DbTransaction) GetPayloadHash() *DbHash {
-	if x != nil {
-		return x.PayloadHash
-	}
-	return nil
-}
-
 func (x *DbTransaction) GetPayload() []byte {
 	if x != nil {
 		return x.Payload
@@ -1228,7 +1220,7 @@ type DbUtxoEntry struct {
 
 	Amount          uint64             `protobuf:"varint,1,opt,name=amount,proto3" json:"amount,omitempty"`
 	ScriptPublicKey *DbScriptPublicKey `protobuf:"bytes,2,opt,name=scriptPublicKey,proto3" json:"scriptPublicKey,omitempty"`
-	BlockBlueScore  uint64             `protobuf:"varint,3,opt,name=blockBlueScore,proto3" json:"blockBlueScore,omitempty"`
+	BlockDaaScore   uint64             `protobuf:"varint,3,opt,name=blockDaaScore,proto3" json:"blockDaaScore,omitempty"`
 	IsCoinbase      bool               `protobuf:"varint,4,opt,name=isCoinbase,proto3" json:"isCoinbase,omitempty"`
 }
 
@@ -1278,9 +1270,9 @@ func (x *DbUtxoEntry) GetScriptPublicKey() *DbScriptPublicKey {
 	return nil
 }
 
-func (x *DbUtxoEntry) GetBlockBlueScore() uint64 {
+func (x *DbUtxoEntry) GetBlockDaaScore() uint64 {
 	if x != nil {
-		return x.BlockBlueScore
+		return x.BlockDaaScore
 	}
 	return 0
 }
@@ -1473,100 +1465,6 @@ func (x *DbUtxoDiff) GetToRemove() []*DbUtxoCollectionItem {
 	return nil
 }
 
-type DbPruningPointUTXOSetBytes struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Bytes []byte `protobuf:"bytes,1,opt,name=bytes,proto3" json:"bytes,omitempty"`
-}
-
-func (x *DbPruningPointUTXOSetBytes) Reset() {
-	*x = DbPruningPointUTXOSetBytes{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_dbobjects_proto_msgTypes[24]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *DbPruningPointUTXOSetBytes) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*DbPruningPointUTXOSetBytes) ProtoMessage() {}
-
-func (x *DbPruningPointUTXOSetBytes) ProtoReflect() protoreflect.Message {
-	mi := &file_dbobjects_proto_msgTypes[24]
-	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 DbPruningPointUTXOSetBytes.ProtoReflect.Descriptor instead.
-func (*DbPruningPointUTXOSetBytes) Descriptor() ([]byte, []int) {
-	return file_dbobjects_proto_rawDescGZIP(), []int{24}
-}
-
-func (x *DbPruningPointUTXOSetBytes) GetBytes() []byte {
-	if x != nil {
-		return x.Bytes
-	}
-	return nil
-}
-
-type DbHeaderTips struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Tips []*DbHash `protobuf:"bytes,1,rep,name=tips,proto3" json:"tips,omitempty"`
-}
-
-func (x *DbHeaderTips) Reset() {
-	*x = DbHeaderTips{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_dbobjects_proto_msgTypes[25]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *DbHeaderTips) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*DbHeaderTips) ProtoMessage() {}
-
-func (x *DbHeaderTips) ProtoReflect() protoreflect.Message {
-	mi := &file_dbobjects_proto_msgTypes[25]
-	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 DbHeaderTips.ProtoReflect.Descriptor instead.
-func (*DbHeaderTips) Descriptor() ([]byte, []int) {
-	return file_dbobjects_proto_rawDescGZIP(), []int{25}
-}
-
-func (x *DbHeaderTips) GetTips() []*DbHash {
-	if x != nil {
-		return x.Tips
-	}
-	return nil
-}
-
 type DbTips struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1578,7 +1476,7 @@ type DbTips struct {
 func (x *DbTips) Reset() {
 	*x = DbTips{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_dbobjects_proto_msgTypes[26]
+		mi := &file_dbobjects_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1591,7 +1489,7 @@ func (x *DbTips) String() string {
 func (*DbTips) ProtoMessage() {}
 
 func (x *DbTips) ProtoReflect() protoreflect.Message {
-	mi := &file_dbobjects_proto_msgTypes[26]
+	mi := &file_dbobjects_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1604,7 +1502,7 @@ func (x *DbTips) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DbTips.ProtoReflect.Descriptor instead.
 func (*DbTips) Descriptor() ([]byte, []int) {
-	return file_dbobjects_proto_rawDescGZIP(), []int{26}
+	return file_dbobjects_proto_rawDescGZIP(), []int{24}
 }
 
 func (x *DbTips) GetTips() []*DbHash {
@@ -1614,53 +1512,6 @@ func (x *DbTips) GetTips() []*DbHash {
 	return nil
 }
 
-type DbVirtualDiffParents struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	VirtualDiffParents []*DbHash `protobuf:"bytes,1,rep,name=virtualDiffParents,proto3" json:"virtualDiffParents,omitempty"`
-}
-
-func (x *DbVirtualDiffParents) Reset() {
-	*x = DbVirtualDiffParents{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_dbobjects_proto_msgTypes[27]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *DbVirtualDiffParents) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*DbVirtualDiffParents) ProtoMessage() {}
-
-func (x *DbVirtualDiffParents) ProtoReflect() protoreflect.Message {
-	mi := &file_dbobjects_proto_msgTypes[27]
-	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 DbVirtualDiffParents.ProtoReflect.Descriptor instead.
-func (*DbVirtualDiffParents) Descriptor() ([]byte, []int) {
-	return file_dbobjects_proto_rawDescGZIP(), []int{27}
-}
-
-func (x *DbVirtualDiffParents) GetVirtualDiffParents() []*DbHash {
-	if x != nil {
-		return x.VirtualDiffParents
-	}
-	return nil
-}
-
 type DbBlockCount struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1672,7 +1523,7 @@ type DbBlockCount struct {
 func (x *DbBlockCount) Reset() {
 	*x = DbBlockCount{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_dbobjects_proto_msgTypes[28]
+		mi := &file_dbobjects_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1685,7 +1536,7 @@ func (x *DbBlockCount) String() string {
 func (*DbBlockCount) ProtoMessage() {}
 
 func (x *DbBlockCount) ProtoReflect() protoreflect.Message {
-	mi := &file_dbobjects_proto_msgTypes[28]
+	mi := &file_dbobjects_proto_msgTypes[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1698,7 +1549,7 @@ func (x *DbBlockCount) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DbBlockCount.ProtoReflect.Descriptor instead.
 func (*DbBlockCount) Descriptor() ([]byte, []int) {
-	return file_dbobjects_proto_rawDescGZIP(), []int{28}
+	return file_dbobjects_proto_rawDescGZIP(), []int{25}
 }
 
 func (x *DbBlockCount) GetCount() uint64 {
@@ -1719,7 +1570,7 @@ type DbBlockHeaderCount struct {
 func (x *DbBlockHeaderCount) Reset() {
 	*x = DbBlockHeaderCount{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_dbobjects_proto_msgTypes[29]
+		mi := &file_dbobjects_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1732,7 +1583,7 @@ func (x *DbBlockHeaderCount) String() string {
 func (*DbBlockHeaderCount) ProtoMessage() {}
 
 func (x *DbBlockHeaderCount) ProtoReflect() protoreflect.Message {
-	mi := &file_dbobjects_proto_msgTypes[29]
+	mi := &file_dbobjects_proto_msgTypes[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1745,7 +1596,7 @@ func (x *DbBlockHeaderCount) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DbBlockHeaderCount.ProtoReflect.Descriptor instead.
 func (*DbBlockHeaderCount) Descriptor() ([]byte, []int) {
-	return file_dbobjects_proto_rawDescGZIP(), []int{29}
+	return file_dbobjects_proto_rawDescGZIP(), []int{26}
 }
 
 func (x *DbBlockHeaderCount) GetCount() uint64 {
@@ -1794,7 +1645,7 @@ var file_dbobjects_proto_rawDesc = []byte{
 	0x28, 0x0d, 0x52, 0x04, 0x62, 0x69, 0x74, 0x73, 0x12, 0x14, 0x0a, 0x05, 0x6e, 0x6f, 0x6e, 0x63,
 	0x65, 0x18, 0x08, 0x20, 0x01, 0x28, 0x04, 0x52, 0x05, 0x6e, 0x6f, 0x6e, 0x63, 0x65, 0x22, 0x1c,
 	0x0a, 0x06, 0x44, 0x62, 0x48, 0x61, 0x73, 0x68, 0x12, 0x12, 0x0a, 0x04, 0x68, 0x61, 0x73, 0x68,
-	0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x68, 0x61, 0x73, 0x68, 0x22, 0xe6, 0x02, 0x0a,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x68, 0x61, 0x73, 0x68, 0x22, 0xad, 0x02, 0x0a,
 	0x0d, 0x44, 0x62, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x18,
 	0x0a, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52,
 	0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x39, 0x0a, 0x06, 0x69, 0x6e, 0x70, 0x75,
@@ -1812,201 +1663,184 @@ var file_dbobjects_proto_rawDesc = []byte{
 	0x69, 0x6f, 0x6e, 0x2e, 0x44, 0x62, 0x53, 0x75, 0x62, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b,
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 }
 
 var (
@@ -2021,7 +1855,7 @@ func file_dbobjects_proto_rawDescGZIP() []byte {
 	return file_dbobjects_proto_rawDescData
 }
 
-var file_dbobjects_proto_msgTypes = make([]protoimpl.MessageInfo, 30)
+var file_dbobjects_proto_msgTypes = make([]protoimpl.MessageInfo, 27)
 var file_dbobjects_proto_goTypes = []interface{}{
 	(*DbBlock)(nil),                     // 0: serialization.DbBlock
 	(*DbBlockHeader)(nil),               // 1: serialization.DbBlockHeader
@@ -2047,12 +1881,9 @@ var file_dbobjects_proto_goTypes = []interface{}{
 	(*DbReachabilityData)(nil),          // 21: serialization.DbReachabilityData
 	(*DbReachabilityInterval)(nil),      // 22: serialization.DbReachabilityInterval
 	(*DbUtxoDiff)(nil),                  // 23: serialization.DbUtxoDiff
-	(*DbPruningPointUTXOSetBytes)(nil),  // 24: serialization.DbPruningPointUTXOSetBytes
-	(*DbHeaderTips)(nil),                // 25: serialization.DbHeaderTips
-	(*DbTips)(nil),                      // 26: serialization.DbTips
-	(*DbVirtualDiffParents)(nil),        // 27: serialization.DbVirtualDiffParents
-	(*DbBlockCount)(nil),                // 28: serialization.DbBlockCount
-	(*DbBlockHeaderCount)(nil),          // 29: serialization.DbBlockHeaderCount
+	(*DbTips)(nil),                      // 24: serialization.DbTips
+	(*DbBlockCount)(nil),                // 25: serialization.DbBlockCount
+	(*DbBlockHeaderCount)(nil),          // 26: serialization.DbBlockHeaderCount
 }
 var file_dbobjects_proto_depIdxs = []int32{
 	1,  // 0: serialization.DbBlock.header:type_name -> serialization.DbBlockHeader
@@ -2064,40 +1895,37 @@ var file_dbobjects_proto_depIdxs = []int32{
 	4,  // 6: serialization.DbTransaction.inputs:type_name -> serialization.DbTransactionInput
 	7,  // 7: serialization.DbTransaction.outputs:type_name -> serialization.DbTransactionOutput
 	8,  // 8: serialization.DbTransaction.subnetworkID:type_name -> serialization.DbSubnetworkId
-	2,  // 9: serialization.DbTransaction.payloadHash:type_name -> serialization.DbHash
-	5,  // 10: serialization.DbTransactionInput.previousOutpoint:type_name -> serialization.DbOutpoint
-	6,  // 11: serialization.DbOutpoint.transactionID:type_name -> serialization.DbTransactionId
-	19, // 12: serialization.DbTransactionOutput.scriptPublicKey:type_name -> serialization.DbScriptPublicKey
-	10, // 13: serialization.DbAcceptanceData.blockAcceptanceData:type_name -> serialization.DbBlockAcceptanceData
-	11, // 14: serialization.DbBlockAcceptanceData.transactionAcceptanceData:type_name -> serialization.DbTransactionAcceptanceData
-	2,  // 15: serialization.DbBlockAcceptanceData.blockHash:type_name -> serialization.DbHash
-	3,  // 16: serialization.DbTransactionAcceptanceData.transaction:type_name -> serialization.DbTransaction
-	20, // 17: serialization.DbTransactionAcceptanceData.transactionInputUtxoEntries:type_name -> serialization.DbUtxoEntry
-	2,  // 18: serialization.DbBlockRelations.parents:type_name -> serialization.DbHash
-	2,  // 19: serialization.DbBlockRelations.children:type_name -> serialization.DbHash
-	2,  // 20: serialization.DbBlockGhostdagData.selectedParent:type_name -> serialization.DbHash
-	2,  // 21: serialization.DbBlockGhostdagData.mergeSetBlues:type_name -> serialization.DbHash
-	2,  // 22: serialization.DbBlockGhostdagData.mergeSetReds:type_name -> serialization.DbHash
-	15, // 23: serialization.DbBlockGhostdagData.bluesAnticoneSizes:type_name -> serialization.DbBluesAnticoneSizes
-	2,  // 24: serialization.DbBluesAnticoneSizes.blueHash:type_name -> serialization.DbHash
-	18, // 25: serialization.DbUtxoSet.items:type_name -> serialization.DbUtxoCollectionItem
-	5,  // 26: serialization.DbUtxoCollectionItem.outpoint:type_name -> serialization.DbOutpoint
-	20, // 27: serialization.DbUtxoCollectionItem.utxoEntry:type_name -> serialization.DbUtxoEntry
-	19, // 28: serialization.DbUtxoEntry.scriptPublicKey:type_name -> serialization.DbScriptPublicKey
-	2,  // 29: serialization.DbReachabilityData.children:type_name -> serialization.DbHash
-	2,  // 30: serialization.DbReachabilityData.parent:type_name -> serialization.DbHash
-	22, // 31: serialization.DbReachabilityData.interval:type_name -> serialization.DbReachabilityInterval
-	2,  // 32: serialization.DbReachabilityData.futureCoveringSet:type_name -> serialization.DbHash
-	18, // 33: serialization.DbUtxoDiff.toAdd:type_name -> serialization.DbUtxoCollectionItem
-	18, // 34: serialization.DbUtxoDiff.toRemove:type_name -> serialization.DbUtxoCollectionItem
-	2,  // 35: serialization.DbHeaderTips.tips:type_name -> serialization.DbHash
-	2,  // 36: serialization.DbTips.tips:type_name -> serialization.DbHash
-	2,  // 37: serialization.DbVirtualDiffParents.virtualDiffParents:type_name -> serialization.DbHash
-	38, // [38:38] is the sub-list for method output_type
-	38, // [38:38] is the sub-list for method input_type
-	38, // [38:38] is the sub-list for extension type_name
-	38, // [38:38] is the sub-list for extension extendee
-	0,  // [0:38] is the sub-list for field type_name
+	5,  // 9: serialization.DbTransactionInput.previousOutpoint:type_name -> serialization.DbOutpoint
+	6,  // 10: serialization.DbOutpoint.transactionID:type_name -> serialization.DbTransactionId
+	19, // 11: serialization.DbTransactionOutput.scriptPublicKey:type_name -> serialization.DbScriptPublicKey
+	10, // 12: serialization.DbAcceptanceData.blockAcceptanceData:type_name -> serialization.DbBlockAcceptanceData
+	11, // 13: serialization.DbBlockAcceptanceData.transactionAcceptanceData:type_name -> serialization.DbTransactionAcceptanceData
+	2,  // 14: serialization.DbBlockAcceptanceData.blockHash:type_name -> serialization.DbHash
+	3,  // 15: serialization.DbTransactionAcceptanceData.transaction:type_name -> serialization.DbTransaction
+	20, // 16: serialization.DbTransactionAcceptanceData.transactionInputUtxoEntries:type_name -> serialization.DbUtxoEntry
+	2,  // 17: serialization.DbBlockRelations.parents:type_name -> serialization.DbHash
+	2,  // 18: serialization.DbBlockRelations.children:type_name -> serialization.DbHash
+	2,  // 19: serialization.DbBlockGhostdagData.selectedParent:type_name -> serialization.DbHash
+	2,  // 20: serialization.DbBlockGhostdagData.mergeSetBlues:type_name -> serialization.DbHash
+	2,  // 21: serialization.DbBlockGhostdagData.mergeSetReds:type_name -> serialization.DbHash
+	15, // 22: serialization.DbBlockGhostdagData.bluesAnticoneSizes:type_name -> serialization.DbBluesAnticoneSizes
+	2,  // 23: serialization.DbBluesAnticoneSizes.blueHash:type_name -> serialization.DbHash
+	18, // 24: serialization.DbUtxoSet.items:type_name -> serialization.DbUtxoCollectionItem
+	5,  // 25: serialization.DbUtxoCollectionItem.outpoint:type_name -> serialization.DbOutpoint
+	20, // 26: serialization.DbUtxoCollectionItem.utxoEntry:type_name -> serialization.DbUtxoEntry
+	19, // 27: serialization.DbUtxoEntry.scriptPublicKey:type_name -> serialization.DbScriptPublicKey
+	2,  // 28: serialization.DbReachabilityData.children:type_name -> serialization.DbHash
+	2,  // 29: serialization.DbReachabilityData.parent:type_name -> serialization.DbHash
+	22, // 30: serialization.DbReachabilityData.interval:type_name -> serialization.DbReachabilityInterval
+	2,  // 31: serialization.DbReachabilityData.futureCoveringSet:type_name -> serialization.DbHash
+	18, // 32: serialization.DbUtxoDiff.toAdd:type_name -> serialization.DbUtxoCollectionItem
+	18, // 33: serialization.DbUtxoDiff.toRemove:type_name -> serialization.DbUtxoCollectionItem
+	2,  // 34: serialization.DbTips.tips:type_name -> serialization.DbHash
+	35, // [35:35] is the sub-list for method output_type
+	35, // [35:35] is the sub-list for method input_type
+	35, // [35:35] is the sub-list for extension type_name
+	35, // [35:35] is the sub-list for extension extendee
+	0,  // [0:35] is the sub-list for field type_name
 }
 
 func init() { file_dbobjects_proto_init() }
@@ -2395,30 +2223,6 @@ func file_dbobjects_proto_init() {
 			}
 		}
 		file_dbobjects_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DbPruningPointUTXOSetBytes); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_dbobjects_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DbHeaderTips); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_dbobjects_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DbTips); i {
 			case 0:
 				return &v.state
@@ -2430,19 +2234,7 @@ func file_dbobjects_proto_init() {
 				return nil
 			}
 		}
-		file_dbobjects_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DbVirtualDiffParents); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_dbobjects_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
+		file_dbobjects_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DbBlockCount); i {
 			case 0:
 				return &v.state
@@ -2454,7 +2246,7 @@ func file_dbobjects_proto_init() {
 				return nil
 			}
 		}
-		file_dbobjects_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
+		file_dbobjects_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DbBlockHeaderCount); i {
 			case 0:
 				return &v.state
@@ -2473,7 +2265,7 @@ func file_dbobjects_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_dbobjects_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   30,
+			NumMessages:   27,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

domain/consensus/database/serialization/dbobjects.proto

@@ -30,7 +30,6 @@ message DbTransaction {
   uint64 lockTime = 4;
   DbSubnetworkId subnetworkID = 5;
   uint64 gas = 6;
-  DbHash payloadHash = 7;
   bytes payload = 8;
 }
 
@@ -118,7 +117,7 @@ message DbScriptPublicKey {
 message DbUtxoEntry {
   uint64 amount = 1;
   DbScriptPublicKey scriptPublicKey = 2;
-  uint64 blockBlueScore = 3;
+  uint64 blockDaaScore = 3;
   bool isCoinbase = 4;
 }
 
@@ -139,22 +138,10 @@ message DbUtxoDiff {
   repeated DbUtxoCollectionItem toRemove = 2;
 }
 
-message DbPruningPointUTXOSetBytes {
-  bytes bytes = 1;
-}
-
-message DbHeaderTips {
-  repeated DbHash tips = 1;
-}
-
 message DbTips {
   repeated DbHash tips = 1;
 }
 
-message DbVirtualDiffParents {
-  repeated DbHash virtualDiffParents = 1;
-}
-
 message DbBlockCount {
   uint64 count = 1;
 }

domain/consensus/database/serialization/header_tips.go

@@ -1,17 +0,0 @@
-package serialization
-
-import (
-	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
-)
-
-// HeaderTipsToDBHeaderTips converts a slice of hashes to DbHeaderTips
-func HeaderTipsToDBHeaderTips(tips []*externalapi.DomainHash) *DbHeaderTips {
-	return &DbHeaderTips{
-		Tips: DomainHashesToDbHashes(tips),
-	}
-}
-
-// DBHeaderTipsToHeaderTips converts DbHeaderTips to a slice of hashes
-func DBHeaderTipsToHeaderTips(dbHeaderTips *DbHeaderTips) ([]*externalapi.DomainHash, error) {
-	return DbHashesToDomainHashes(dbHeaderTips.Tips)
-}

domain/consensus/database/serialization/transaction.go

@@ -33,7 +33,6 @@ func DomainTransactionToDbTransaction(domainTransaction *externalapi.DomainTrans
 		LockTime:     domainTransaction.LockTime,
 		SubnetworkID: DomainSubnetworkIDToDbSubnetworkID(&domainTransaction.SubnetworkID),
 		Gas:          domainTransaction.Gas,
-		PayloadHash:  DomainHashToDbHash(&domainTransaction.PayloadHash),
 		Payload:      domainTransaction.Payload,
 	}
 }
@@ -44,10 +43,6 @@ func DbTransactionToDomainTransaction(dbTransaction *DbTransaction) (*externalap
 	if err != nil {
 		return nil, err
 	}
-	domainPayloadHash, err := DbHashToDomainHash(dbTransaction.PayloadHash)
-	if err != nil {
-		return nil, err
-	}
 
 	domainInputs := make([]*externalapi.DomainTransactionInput, len(dbTransaction.Inputs))
 	for i, dbTransactionInput := range dbTransaction.Inputs {
@@ -84,7 +79,6 @@ func DbTransactionToDomainTransaction(dbTransaction *DbTransaction) (*externalap
 		LockTime:     dbTransaction.LockTime,
 		SubnetworkID: *domainSubnetworkID,
 		Gas:          dbTransaction.Gas,
-		PayloadHash:  *domainPayloadHash,
 		Payload:      dbTransaction.Payload,
 	}, nil
 }

domain/consensus/database/serialization/utxo_collection.go

@@ -1,15 +1,15 @@
 package serialization
 
 import (
-	"github.com/kaspanet/kaspad/domain/consensus/model"
 	"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
 	"github.com/kaspanet/kaspad/domain/consensus/utils/utxo"
 )
 
-func utxoCollectionToDBUTXOCollection(utxoCollection model.UTXOCollection) ([]*DbUtxoCollectionItem, error) {
+func utxoCollectionToDBUTXOCollection(utxoCollection externalapi.UTXOCollection) ([]*DbUtxoCollectionItem, error) {
 	items := make([]*DbUtxoCollectionItem, utxoCollection.Len())
 	i := 0
 	utxoIterator := utxoCollection.Iterator()
+	defer utxoIterator.Close()
 	for ok := utxoIterator.First(); ok; ok = utxoIterator.Next() {
 		outpoint, entry, err := utxoIterator.Get()
 		if err != nil {
@@ -26,7 +26,7 @@ func utxoCollectionToDBUTXOCollection(utxoCollection model.UTXOCollection) ([]*D
 	return items, nil
 }
 
-func dbUTXOCollectionToUTXOCollection(items []*DbUtxoCollectionItem) (model.UTXOCollection, error) {
+func dbUTXOCollectionToUTXOCollection(items []*DbUtxoCollectionItem) (externalapi.UTXOCollection, error) {
 	utxoMap := make(map[externalapi.DomainOutpoint]externalapi.UTXOEntry, len(items))
 	for _, item := range items {
 		outpoint, err := DbOutpointToDomainOutpoint(item.Outpoint)