diff --git a/gointerfaces/remote/mocks.go b/gointerfaces/remote/mocks.go
index 17890ba3d..1cb97e871 100644
--- a/gointerfaces/remote/mocks.go
+++ b/gointerfaces/remote/mocks.go
@@ -7,6 +7,7 @@ import (
 	context "context"
 	types "github.com/ledgerwatch/erigon-lib/gointerfaces/types"
 	grpc "google.golang.org/grpc"
+	"google.golang.org/grpc/metadata"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
 	sync "sync"
 )
@@ -203,3 +204,314 @@ func (mock *KVClientMock) VersionCalls() []struct {
 	mock.lockVersion.RUnlock()
 	return calls
 }
+
+// Ensure, that KV_StateChangesClientMock does implement KV_StateChangesClient.
+// If this is not the case, regenerate this file with moq.
+var _ KV_StateChangesClient = &KV_StateChangesClientMock{}
+
+// KV_StateChangesClientMock is a mock implementation of KV_StateChangesClient.
+//
+// 	func TestSomethingThatUsesKV_StateChangesClient(t *testing.T) {
+//
+// 		// make and configure a mocked KV_StateChangesClient
+// 		mockedKV_StateChangesClient := &KV_StateChangesClientMock{
+// 			CloseSendFunc: func() error {
+// 				panic("mock out the CloseSend method")
+// 			},
+// 			ContextFunc: func() context.Context {
+// 				panic("mock out the Context method")
+// 			},
+// 			HeaderFunc: func() (metadata.MD, error) {
+// 				panic("mock out the Header method")
+// 			},
+// 			RecvFunc: func() (*StateChange, error) {
+// 				panic("mock out the Recv method")
+// 			},
+// 			RecvMsgFunc: func(m interface{}) error {
+// 				panic("mock out the RecvMsg method")
+// 			},
+// 			SendMsgFunc: func(m interface{}) error {
+// 				panic("mock out the SendMsg method")
+// 			},
+// 			TrailerFunc: func() metadata.MD {
+// 				panic("mock out the Trailer method")
+// 			},
+// 		}
+//
+// 		// use mockedKV_StateChangesClient in code that requires KV_StateChangesClient
+// 		// and then make assertions.
+//
+// 	}
+type KV_StateChangesClientMock struct {
+	// CloseSendFunc mocks the CloseSend method.
+	CloseSendFunc func() error
+
+	// ContextFunc mocks the Context method.
+	ContextFunc func() context.Context
+
+	// HeaderFunc mocks the Header method.
+	HeaderFunc func() (metadata.MD, error)
+
+	// RecvFunc mocks the Recv method.
+	RecvFunc func() (*StateChange, error)
+
+	// RecvMsgFunc mocks the RecvMsg method.
+	RecvMsgFunc func(m interface{}) error
+
+	// SendMsgFunc mocks the SendMsg method.
+	SendMsgFunc func(m interface{}) error
+
+	// TrailerFunc mocks the Trailer method.
+	TrailerFunc func() metadata.MD
+
+	// calls tracks calls to the methods.
+	calls struct {
+		// CloseSend holds details about calls to the CloseSend method.
+		CloseSend []struct {
+		}
+		// Context holds details about calls to the Context method.
+		Context []struct {
+		}
+		// Header holds details about calls to the Header method.
+		Header []struct {
+		}
+		// Recv holds details about calls to the Recv method.
+		Recv []struct {
+		}
+		// RecvMsg holds details about calls to the RecvMsg method.
+		RecvMsg []struct {
+			// M is the m argument value.
+			M interface{}
+		}
+		// SendMsg holds details about calls to the SendMsg method.
+		SendMsg []struct {
+			// M is the m argument value.
+			M interface{}
+		}
+		// Trailer holds details about calls to the Trailer method.
+		Trailer []struct {
+		}
+	}
+	lockCloseSend sync.RWMutex
+	lockContext   sync.RWMutex
+	lockHeader    sync.RWMutex
+	lockRecv      sync.RWMutex
+	lockRecvMsg   sync.RWMutex
+	lockSendMsg   sync.RWMutex
+	lockTrailer   sync.RWMutex
+}
+
+// CloseSend calls CloseSendFunc.
+func (mock *KV_StateChangesClientMock) CloseSend() error {
+	callInfo := struct {
+	}{}
+	mock.lockCloseSend.Lock()
+	mock.calls.CloseSend = append(mock.calls.CloseSend, callInfo)
+	mock.lockCloseSend.Unlock()
+	if mock.CloseSendFunc == nil {
+		var (
+			errOut error
+		)
+		return errOut
+	}
+	return mock.CloseSendFunc()
+}
+
+// CloseSendCalls gets all the calls that were made to CloseSend.
+// Check the length with:
+//     len(mockedKV_StateChangesClient.CloseSendCalls())
+func (mock *KV_StateChangesClientMock) CloseSendCalls() []struct {
+} {
+	var calls []struct {
+	}
+	mock.lockCloseSend.RLock()
+	calls = mock.calls.CloseSend
+	mock.lockCloseSend.RUnlock()
+	return calls
+}
+
+// Context calls ContextFunc.
+func (mock *KV_StateChangesClientMock) Context() context.Context {
+	callInfo := struct {
+	}{}
+	mock.lockContext.Lock()
+	mock.calls.Context = append(mock.calls.Context, callInfo)
+	mock.lockContext.Unlock()
+	if mock.ContextFunc == nil {
+		var (
+			contextOut context.Context
+		)
+		return contextOut
+	}
+	return mock.ContextFunc()
+}
+
+// ContextCalls gets all the calls that were made to Context.
+// Check the length with:
+//     len(mockedKV_StateChangesClient.ContextCalls())
+func (mock *KV_StateChangesClientMock) ContextCalls() []struct {
+} {
+	var calls []struct {
+	}
+	mock.lockContext.RLock()
+	calls = mock.calls.Context
+	mock.lockContext.RUnlock()
+	return calls
+}
+
+// Header calls HeaderFunc.
+func (mock *KV_StateChangesClientMock) Header() (metadata.MD, error) {
+	callInfo := struct {
+	}{}
+	mock.lockHeader.Lock()
+	mock.calls.Header = append(mock.calls.Header, callInfo)
+	mock.lockHeader.Unlock()
+	if mock.HeaderFunc == nil {
+		var (
+			mDOut  metadata.MD
+			errOut error
+		)
+		return mDOut, errOut
+	}
+	return mock.HeaderFunc()
+}
+
+// HeaderCalls gets all the calls that were made to Header.
+// Check the length with:
+//     len(mockedKV_StateChangesClient.HeaderCalls())
+func (mock *KV_StateChangesClientMock) HeaderCalls() []struct {
+} {
+	var calls []struct {
+	}
+	mock.lockHeader.RLock()
+	calls = mock.calls.Header
+	mock.lockHeader.RUnlock()
+	return calls
+}
+
+// Recv calls RecvFunc.
+func (mock *KV_StateChangesClientMock) Recv() (*StateChange, error) {
+	callInfo := struct {
+	}{}
+	mock.lockRecv.Lock()
+	mock.calls.Recv = append(mock.calls.Recv, callInfo)
+	mock.lockRecv.Unlock()
+	if mock.RecvFunc == nil {
+		var (
+			stateChangeOut *StateChange
+			errOut         error
+		)
+		return stateChangeOut, errOut
+	}
+	return mock.RecvFunc()
+}
+
+// RecvCalls gets all the calls that were made to Recv.
+// Check the length with:
+//     len(mockedKV_StateChangesClient.RecvCalls())
+func (mock *KV_StateChangesClientMock) RecvCalls() []struct {
+} {
+	var calls []struct {
+	}
+	mock.lockRecv.RLock()
+	calls = mock.calls.Recv
+	mock.lockRecv.RUnlock()
+	return calls
+}
+
+// RecvMsg calls RecvMsgFunc.
+func (mock *KV_StateChangesClientMock) RecvMsg(m interface{}) error {
+	callInfo := struct {
+		M interface{}
+	}{
+		M: m,
+	}
+	mock.lockRecvMsg.Lock()
+	mock.calls.RecvMsg = append(mock.calls.RecvMsg, callInfo)
+	mock.lockRecvMsg.Unlock()
+	if mock.RecvMsgFunc == nil {
+		var (
+			errOut error
+		)
+		return errOut
+	}
+	return mock.RecvMsgFunc(m)
+}
+
+// RecvMsgCalls gets all the calls that were made to RecvMsg.
+// Check the length with:
+//     len(mockedKV_StateChangesClient.RecvMsgCalls())
+func (mock *KV_StateChangesClientMock) RecvMsgCalls() []struct {
+	M interface{}
+} {
+	var calls []struct {
+		M interface{}
+	}
+	mock.lockRecvMsg.RLock()
+	calls = mock.calls.RecvMsg
+	mock.lockRecvMsg.RUnlock()
+	return calls
+}
+
+// SendMsg calls SendMsgFunc.
+func (mock *KV_StateChangesClientMock) SendMsg(m interface{}) error {
+	callInfo := struct {
+		M interface{}
+	}{
+		M: m,
+	}
+	mock.lockSendMsg.Lock()
+	mock.calls.SendMsg = append(mock.calls.SendMsg, callInfo)
+	mock.lockSendMsg.Unlock()
+	if mock.SendMsgFunc == nil {
+		var (
+			errOut error
+		)
+		return errOut
+	}
+	return mock.SendMsgFunc(m)
+}
+
+// SendMsgCalls gets all the calls that were made to SendMsg.
+// Check the length with:
+//     len(mockedKV_StateChangesClient.SendMsgCalls())
+func (mock *KV_StateChangesClientMock) SendMsgCalls() []struct {
+	M interface{}
+} {
+	var calls []struct {
+		M interface{}
+	}
+	mock.lockSendMsg.RLock()
+	calls = mock.calls.SendMsg
+	mock.lockSendMsg.RUnlock()
+	return calls
+}
+
+// Trailer calls TrailerFunc.
+func (mock *KV_StateChangesClientMock) Trailer() metadata.MD {
+	callInfo := struct {
+	}{}
+	mock.lockTrailer.Lock()
+	mock.calls.Trailer = append(mock.calls.Trailer, callInfo)
+	mock.lockTrailer.Unlock()
+	if mock.TrailerFunc == nil {
+		var (
+			mDOut metadata.MD
+		)
+		return mDOut
+	}
+	return mock.TrailerFunc()
+}
+
+// TrailerCalls gets all the calls that were made to Trailer.
+// Check the length with:
+//     len(mockedKV_StateChangesClient.TrailerCalls())
+func (mock *KV_StateChangesClientMock) TrailerCalls() []struct {
+} {
+	var calls []struct {
+	}
+	mock.lockTrailer.RLock()
+	calls = mock.calls.Trailer
+	mock.lockTrailer.RUnlock()
+	return calls
+}
diff --git a/gointerfaces/test_util.go b/gointerfaces/test_util.go
index 44da34ad5..25e9b4575 100644
--- a/gointerfaces/test_util.go
+++ b/gointerfaces/test_util.go
@@ -1,4 +1,4 @@
 package gointerfaces
 
 //go:generate moq -stub -out ./sentry/mocks.go ./sentry SentryServer SentryClient
-//go:generate moq -stub -out ./remote/mocks.go ./remote KVClient
+//go:generate moq -stub -out ./remote/mocks.go ./remote KVClient KV_StateChangesClient
diff --git a/txpool/fetch.go b/txpool/fetch.go
index 0cb4cfe66..1f70ba930 100644
--- a/txpool/fetch.go
+++ b/txpool/fetch.go
@@ -28,6 +28,7 @@ import (
 	"github.com/ledgerwatch/erigon-lib/gointerfaces"
 	"github.com/ledgerwatch/erigon-lib/gointerfaces/remote"
 	"github.com/ledgerwatch/erigon-lib/gointerfaces/sentry"
+	"github.com/ledgerwatch/erigon-lib/kv"
 	"github.com/ledgerwatch/log/v3"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
@@ -43,9 +44,9 @@ type Fetch struct {
 	sentryClients      []sentry.SentryClient // sentry clients that will be used for accessing the network
 	statusData         *sentry.StatusData    // Status data used for "handshaking" with sentries
 	pool               Pool                  // Transaction pool implementation
-	wg                 *sync.WaitGroup       // used for synchronisation in the tests (nil when not in tests)
+	coreDB             kv.RoDB
+	wg                 *sync.WaitGroup // used for synchronisation in the tests (nil when not in tests)
 	stateChangesClient remote.KVClient
-	logger             log.Logger
 }
 
 type Timings struct {
@@ -63,15 +64,7 @@ var DefaultTimings = Timings{
 // NewFetch creates a new fetch object that will work with given sentry clients. Since the
 // SentryClient here is an interface, it is suitable for mocking in tests (mock will need
 // to implement all the functions of the SentryClient interface).
-func NewFetch(ctx context.Context,
-	sentryClients []sentry.SentryClient,
-	genesisHash [32]byte,
-	networkId uint64,
-	forks []uint64,
-	pool Pool,
-	stateChangesClient remote.KVClient,
-	logger log.Logger,
-) *Fetch {
+func NewFetch(ctx context.Context, sentryClients []sentry.SentryClient, genesisHash [32]byte, networkId uint64, forks []uint64, pool Pool, stateChangesClient remote.KVClient, db kv.RoDB) *Fetch {
 	statusData := &sentry.StatusData{
 		NetworkId:       networkId,
 		TotalDifficulty: gointerfaces.ConvertUint256IntToH256(uint256.NewInt(0)),
@@ -87,7 +80,7 @@ func NewFetch(ctx context.Context,
 		sentryClients:      sentryClients,
 		statusData:         statusData,
 		pool:               pool,
-		logger:             logger,
+		coreDB:             db,
 		stateChangesClient: stateChangesClient,
 	}
 }
@@ -108,11 +101,19 @@ func (f *Fetch) ConnectSentries() {
 	}
 }
 func (f *Fetch) ConnectCore() {
-	go func() { f.stateChangesLoop(f.ctx, f.stateChangesClient) }()
+	go func() {
+		for {
+			select {
+			case <-f.ctx.Done():
+				return
+			default:
+			}
+			f.handleStateChanges(f.ctx, f.stateChangesClient)
+		}
+	}()
 }
 
 func (f *Fetch) receiveMessageLoop(sentryClient sentry.SentryClient) {
-	logger := f.logger
 	for {
 		select {
 		case <-f.ctx.Done():
@@ -125,7 +126,7 @@ func (f *Fetch) receiveMessageLoop(sentryClient sentry.SentryClient) {
 				return
 			}
 			// Report error and wait more
-			logger.Warn("sentry not ready yet", "err", err)
+			log.Warn("sentry not ready yet", "err", err)
 			time.Sleep(time.Second)
 			continue
 		}
@@ -154,7 +155,7 @@ func (f *Fetch) receiveMessageLoop(sentryClient sentry.SentryClient) {
 			if errors.Is(err, io.EOF) {
 				return
 			}
-			logger.Warn("messages", "err", err)
+			log.Warn("messages", "err", err)
 			return
 		}
 
@@ -172,14 +173,14 @@ func (f *Fetch) receiveMessageLoop(sentryClient sentry.SentryClient) {
 				if errors.Is(err, io.EOF) {
 					return
 				}
-				logger.Warn("stream.Recv", "err", err)
+				log.Warn("stream.Recv", "err", err)
 				return
 			}
 			if req == nil {
 				return
 			}
-			if err = f.handleInboundMessage(req, sentryClient); err != nil {
-				logger.Warn("Handling incoming message: %s", "err", err)
+			if err = f.handleInboundMessage(streamCtx, req, sentryClient); err != nil {
+				log.Warn("Handling incoming message: %s", "err", err)
 			}
 			if f.wg != nil {
 				f.wg.Done()
@@ -188,7 +189,7 @@ func (f *Fetch) receiveMessageLoop(sentryClient sentry.SentryClient) {
 	}
 }
 
-func (f *Fetch) handleInboundMessage(req *sentry.InboundMessage, sentryClient sentry.SentryClient) error {
+func (f *Fetch) handleInboundMessage(ctx context.Context, req *sentry.InboundMessage, sentryClient sentry.SentryClient) error {
 	switch req.Id {
 	case sentry.MessageId_NEW_POOLED_TRANSACTION_HASHES_66, sentry.MessageId_NEW_POOLED_TRANSACTION_HASHES_65:
 		hashCount, pos, err := ParseHashesCount(req.Data, 0)
@@ -281,7 +282,9 @@ func (f *Fetch) handleInboundMessage(req *sentry.InboundMessage, sentryClient se
 				return err
 			}
 		}
-		if err := f.pool.Add(txs); err != nil {
+		if err := f.coreDB.View(ctx, func(tx kv.Tx) error {
+			return f.pool.Add(tx, txs)
+		}); err != nil {
 			return err
 		}
 	}
@@ -290,7 +293,6 @@ func (f *Fetch) handleInboundMessage(req *sentry.InboundMessage, sentryClient se
 }
 
 func (f *Fetch) receivePeerLoop(sentryClient sentry.SentryClient) {
-	logger := f.logger
 	for {
 		select {
 		case <-f.ctx.Done():
@@ -303,7 +305,7 @@ func (f *Fetch) receivePeerLoop(sentryClient sentry.SentryClient) {
 				return
 			}
 			// Report error and wait more
-			logger.Warn("sentry not ready yet", "err", err)
+			log.Warn("sentry not ready yet", "err", err)
 			time.Sleep(time.Second)
 			continue
 		}
@@ -323,7 +325,7 @@ func (f *Fetch) receivePeerLoop(sentryClient sentry.SentryClient) {
 			if errors.Is(err, io.EOF) {
 				return
 			}
-			logger.Warn("peers", "err", err)
+			log.Warn("peers", "err", err)
 			return
 		}
 
@@ -341,14 +343,14 @@ func (f *Fetch) receivePeerLoop(sentryClient sentry.SentryClient) {
 				if errors.Is(err, io.EOF) {
 					return
 				}
-				logger.Warn("stream.Recv", "err", err)
+				log.Warn("stream.Recv", "err", err)
 				return
 			}
 			if req == nil {
 				return
 			}
 			if err = f.handleNewPeer(req); err != nil {
-				logger.Warn("Handling new peer", "err", err)
+				log.Warn("Handling new peer", "err", err)
 			}
 			if f.wg != nil {
 				f.wg.Done()
@@ -369,17 +371,7 @@ func (f *Fetch) handleNewPeer(req *sentry.PeersReply) error {
 	return nil
 }
 
-func (f *Fetch) stateChangesLoop(ctx context.Context, client remote.KVClient) {
-	for {
-		select {
-		case <-ctx.Done():
-			return
-		default:
-		}
-		f.stateChangesStream(ctx, client)
-	}
-}
-func (f *Fetch) stateChangesStream(ctx context.Context, client remote.KVClient) {
+func (f *Fetch) handleStateChanges(ctx context.Context, client remote.KVClient) {
 	streamCtx, cancel := context.WithCancel(ctx)
 	defer cancel()
 	stream, err := client.StateChanges(streamCtx, &remote.StateChangeRequest{WithStorage: false, WithTransactions: true}, grpc.WaitForReady(true))
@@ -418,12 +410,27 @@ func (f *Fetch) stateChangesStream(ctx context.Context, client remote.KVClient)
 			return
 		}
 
+		parseCtx := NewTxParseContext()
 		var unwindTxs, minedTxs TxSlots
 		if req.Direction == remote.Direction_FORWARD {
 			minedTxs.Growth(len(req.Txs))
+			for i := range req.Txs {
+				minedTxs.txs[i] = &TxSlot{}
+				if _, err := parseCtx.ParseTransaction(req.Txs[i], 0, minedTxs.txs[i], minedTxs.senders.At(i)); err != nil {
+					log.Warn("stream.Recv", "err", err)
+					continue
+				}
+			}
 		}
 		if req.Direction == remote.Direction_UNWIND {
 			unwindTxs.Growth(len(req.Txs))
+			for i := range req.Txs {
+				unwindTxs.txs[i] = &TxSlot{}
+				if _, err := parseCtx.ParseTransaction(req.Txs[i], 0, unwindTxs.txs[i], unwindTxs.senders.At(i)); err != nil {
+					log.Warn("stream.Recv", "err", err)
+					continue
+				}
+			}
 		}
 		diff := map[string]senderInfo{}
 		for _, change := range req.Changes {
@@ -436,8 +443,13 @@ func (f *Fetch) stateChangesStream(ctx context.Context, client remote.KVClient)
 			diff[string(addr[:])] = senderInfo{nonce: nonce, balance: balance}
 		}
 
-		if err := f.pool.OnNewBlock(diff, unwindTxs, minedTxs, req.ProtocolBaseFee, req.BlockBaseFee, req.BlockHeight); err != nil {
+		if err := f.coreDB.View(ctx, func(tx kv.Tx) error {
+			return f.pool.OnNewBlock(tx, diff, unwindTxs, minedTxs, req.ProtocolBaseFee, req.BlockBaseFee, req.BlockHeight)
+		}); err != nil {
 			log.Warn("onNewBlock", "err", err)
 		}
+		if f.wg != nil {
+			f.wg.Done()
+		}
 	}
 }
diff --git a/txpool/fetch_test.go b/txpool/fetch_test.go
index 88ef1ae1e..ff6cdceda 100644
--- a/txpool/fetch_test.go
+++ b/txpool/fetch_test.go
@@ -19,6 +19,7 @@ package txpool
 import (
 	"context"
 	"fmt"
+	"io"
 	"sync"
 	"testing"
 
@@ -26,15 +27,16 @@ import (
 	"github.com/ledgerwatch/erigon-lib/gointerfaces/remote"
 	"github.com/ledgerwatch/erigon-lib/gointerfaces/sentry"
 	"github.com/ledgerwatch/erigon-lib/gointerfaces/types"
+	"github.com/ledgerwatch/erigon-lib/kv/memdb"
 	"github.com/ledgerwatch/log/v3"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"google.golang.org/grpc"
 )
 
 func TestFetch(t *testing.T) {
-	logger := log.New()
-	ctx, cancelFn := context.WithCancel(context.Background())
-	defer cancelFn()
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
 
 	var genesisHash [32]byte
 	var networkId uint64 = 1
@@ -44,7 +46,7 @@ func TestFetch(t *testing.T) {
 	sentryClient := direct.NewSentryClientDirect(direct.ETH66, m)
 	pool := &PoolMock{}
 
-	fetch := NewFetch(ctx, []sentry.SentryClient{sentryClient}, genesisHash, networkId, forks, pool, &remote.KVClientMock{}, logger)
+	fetch := NewFetch(ctx, []sentry.SentryClient{sentryClient}, genesisHash, networkId, forks, pool, &remote.KVClientMock{}, nil)
 	var wg sync.WaitGroup
 	fetch.SetWaitGroup(&wg)
 	m.StreamWg.Add(2)
@@ -133,3 +135,32 @@ func TestSendTxPropagate(t *testing.T) {
 		}
 	})
 }
+
+func TestOnNewBlock(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	db := memdb.NewTestDB(t)
+	var genesisHash [32]byte
+	var networkId uint64 = 1
+
+	i := 0
+	stream := &remote.KV_StateChangesClientMock{
+		RecvFunc: func() (*remote.StateChange, error) {
+			if i > 0 {
+				return nil, io.EOF
+			}
+			i++
+			return &remote.StateChange{Txs: [][]byte{decodeHex(txParseTests[0].payloadStr), decodeHex(txParseTests[1].payloadStr), decodeHex(txParseTests[2].payloadStr)}}, nil
+		},
+	}
+	stateChanges := &remote.KVClientMock{
+		StateChangesFunc: func(ctx context.Context, in *remote.StateChangeRequest, opts ...grpc.CallOption) (remote.KV_StateChangesClient, error) {
+			return stream, nil
+		},
+	}
+	pool := &PoolMock{}
+	fetch := NewFetch(ctx, nil, genesisHash, networkId, nil, pool, stateChanges, db)
+	fetch.handleStateChanges(ctx, stateChanges)
+	assert.Equal(t, 1, len(pool.OnNewBlockCalls()))
+	assert.Equal(t, 3, len(pool.OnNewBlockCalls()[0].MinedTxs.txs))
+}
diff --git a/txpool/mocks_test.go b/txpool/mocks_test.go
index 1b4ae4343..afbfe311c 100644
--- a/txpool/mocks_test.go
+++ b/txpool/mocks_test.go
@@ -5,6 +5,8 @@ package txpool
 
 import (
 	"sync"
+
+	"github.com/ledgerwatch/erigon-lib/kv"
 )
 
 // Ensure, that PoolMock does implement Pool.
@@ -17,7 +19,7 @@ var _ Pool = &PoolMock{}
 //
 // 		// make and configure a mocked Pool
 // 		mockedPool := &PoolMock{
-// 			AddFunc: func(newTxs TxSlots) error {
+// 			AddFunc: func(db kv.Tx, newTxs TxSlots) error {
 // 				panic("mock out the Add method")
 // 			},
 // 			AddNewGoodPeerFunc: func(peerID PeerID)  {
@@ -29,7 +31,7 @@ var _ Pool = &PoolMock{}
 // 			IdHashKnownFunc: func(hash []byte) bool {
 // 				panic("mock out the IdHashKnown method")
 // 			},
-// 			OnNewBlockFunc: func(stateChanges map[string]senderInfo, unwindTxs TxSlots, minedTxs TxSlots, protocolBaseFee uint64, blockBaseFee uint64, blockHeight uint64) error {
+// 			OnNewBlockFunc: func(db kv.Tx, stateChanges map[string]senderInfo, unwindTxs TxSlots, minedTxs TxSlots, protocolBaseFee uint64, blockBaseFee uint64, blockHeight uint64) error {
 // 				panic("mock out the OnNewBlock method")
 // 			},
 // 		}
@@ -40,7 +42,7 @@ var _ Pool = &PoolMock{}
 // 	}
 type PoolMock struct {
 	// AddFunc mocks the Add method.
-	AddFunc func(newTxs TxSlots) error
+	AddFunc func(db kv.Tx, newTxs TxSlots) error
 
 	// AddNewGoodPeerFunc mocks the AddNewGoodPeer method.
 	AddNewGoodPeerFunc func(peerID PeerID)
@@ -52,12 +54,14 @@ type PoolMock struct {
 	IdHashKnownFunc func(hash []byte) bool
 
 	// OnNewBlockFunc mocks the OnNewBlock method.
-	OnNewBlockFunc func(stateChanges map[string]senderInfo, unwindTxs TxSlots, minedTxs TxSlots, protocolBaseFee uint64, blockBaseFee uint64, blockHeight uint64) error
+	OnNewBlockFunc func(db kv.Tx, stateChanges map[string]senderInfo, unwindTxs TxSlots, minedTxs TxSlots, protocolBaseFee uint64, blockBaseFee uint64, blockHeight uint64) error
 
 	// calls tracks calls to the methods.
 	calls struct {
 		// Add holds details about calls to the Add method.
 		Add []struct {
+			// Db is the db argument value.
+			Db kv.Tx
 			// NewTxs is the newTxs argument value.
 			NewTxs TxSlots
 		}
@@ -78,6 +82,8 @@ type PoolMock struct {
 		}
 		// OnNewBlock holds details about calls to the OnNewBlock method.
 		OnNewBlock []struct {
+			// Db is the db argument value.
+			Db kv.Tx
 			// StateChanges is the stateChanges argument value.
 			StateChanges map[string]senderInfo
 			// UnwindTxs is the unwindTxs argument value.
@@ -100,10 +106,12 @@ type PoolMock struct {
 }
 
 // Add calls AddFunc.
-func (mock *PoolMock) Add(newTxs TxSlots) error {
+func (mock *PoolMock) Add(db kv.Tx, newTxs TxSlots) error {
 	callInfo := struct {
+		Db     kv.Tx
 		NewTxs TxSlots
 	}{
+		Db:     db,
 		NewTxs: newTxs,
 	}
 	mock.lockAdd.Lock()
@@ -115,16 +123,18 @@ func (mock *PoolMock) Add(newTxs TxSlots) error {
 		)
 		return errOut
 	}
-	return mock.AddFunc(newTxs)
+	return mock.AddFunc(db, newTxs)
 }
 
 // AddCalls gets all the calls that were made to Add.
 // Check the length with:
 //     len(mockedPool.AddCalls())
 func (mock *PoolMock) AddCalls() []struct {
+	Db     kv.Tx
 	NewTxs TxSlots
 } {
 	var calls []struct {
+		Db     kv.Tx
 		NewTxs TxSlots
 	}
 	mock.lockAdd.RLock()
@@ -233,8 +243,9 @@ func (mock *PoolMock) IdHashKnownCalls() []struct {
 }
 
 // OnNewBlock calls OnNewBlockFunc.
-func (mock *PoolMock) OnNewBlock(stateChanges map[string]senderInfo, unwindTxs TxSlots, minedTxs TxSlots, protocolBaseFee uint64, blockBaseFee uint64, blockHeight uint64) error {
+func (mock *PoolMock) OnNewBlock(db kv.Tx, stateChanges map[string]senderInfo, unwindTxs TxSlots, minedTxs TxSlots, protocolBaseFee uint64, blockBaseFee uint64, blockHeight uint64) error {
 	callInfo := struct {
+		Db              kv.Tx
 		StateChanges    map[string]senderInfo
 		UnwindTxs       TxSlots
 		MinedTxs        TxSlots
@@ -242,6 +253,7 @@ func (mock *PoolMock) OnNewBlock(stateChanges map[string]senderInfo, unwindTxs T
 		BlockBaseFee    uint64
 		BlockHeight     uint64
 	}{
+		Db:              db,
 		StateChanges:    stateChanges,
 		UnwindTxs:       unwindTxs,
 		MinedTxs:        minedTxs,
@@ -258,13 +270,14 @@ func (mock *PoolMock) OnNewBlock(stateChanges map[string]senderInfo, unwindTxs T
 		)
 		return errOut
 	}
-	return mock.OnNewBlockFunc(stateChanges, unwindTxs, minedTxs, protocolBaseFee, blockBaseFee, blockHeight)
+	return mock.OnNewBlockFunc(db, stateChanges, unwindTxs, minedTxs, protocolBaseFee, blockBaseFee, blockHeight)
 }
 
 // OnNewBlockCalls gets all the calls that were made to OnNewBlock.
 // Check the length with:
 //     len(mockedPool.OnNewBlockCalls())
 func (mock *PoolMock) OnNewBlockCalls() []struct {
+	Db              kv.Tx
 	StateChanges    map[string]senderInfo
 	UnwindTxs       TxSlots
 	MinedTxs        TxSlots
@@ -273,6 +286,7 @@ func (mock *PoolMock) OnNewBlockCalls() []struct {
 	BlockHeight     uint64
 } {
 	var calls []struct {
+		Db              kv.Tx
 		StateChanges    map[string]senderInfo
 		UnwindTxs       TxSlots
 		MinedTxs        TxSlots
diff --git a/txpool/pool.go b/txpool/pool.go
index 0c3fb8321..ef60ed532 100644
--- a/txpool/pool.go
+++ b/txpool/pool.go
@@ -27,6 +27,7 @@ import (
 	"github.com/google/btree"
 	lru "github.com/hashicorp/golang-lru"
 	"github.com/holiman/uint256"
+	"github.com/ledgerwatch/erigon-lib/kv"
 	"go.uber.org/atomic"
 )
 
@@ -37,8 +38,8 @@ type Pool interface {
 	// IdHashKnown check whether transaction with given Id hash is known to the pool
 	IdHashKnown(hash []byte) bool
 	GetRlp(hash []byte) []byte
-	Add(newTxs TxSlots) error
-	OnNewBlock(stateChanges map[string]senderInfo, unwindTxs, minedTxs TxSlots, protocolBaseFee, blockBaseFee, blockHeight uint64) error
+	Add(db kv.Tx, newTxs TxSlots) error
+	OnNewBlock(db kv.Tx, stateChanges map[string]senderInfo, unwindTxs, minedTxs TxSlots, protocolBaseFee, blockBaseFee, blockHeight uint64) error
 
 	AddNewGoodPeer(peerID PeerID)
 }
@@ -87,6 +88,8 @@ const PendingSubPoolLimit = 1024
 const BaseFeeSubPoolLimit = 1024
 const QueuedSubPoolLimit = 1024
 
+const MaxSendersInfoCache = 1024
+
 type nonce2Tx struct{ *btree.BTree }
 
 type senderInfo struct {
@@ -115,6 +118,7 @@ type TxPool struct {
 	protocolBaseFee atomic.Uint64
 	blockBaseFee    atomic.Uint64
 
+	senderID                 uint64
 	senderIDs                map[string]uint64
 	senderInfo               map[uint64]*senderInfo
 	byHash                   map[string]*metaTx // tx_hash => tx
@@ -202,7 +206,7 @@ func (p *TxPool) IdHashIsLocal(hash []byte) bool {
 }
 func (p *TxPool) OnNewPeer(peerID PeerID) { p.recentlyConnectedPeers.AddPeer(peerID) }
 
-func (p *TxPool) Add(newTxs TxSlots) error {
+func (p *TxPool) Add(coreDB kv.Tx, newTxs TxSlots) error {
 	p.lock.Lock()
 	defer p.lock.Unlock()
 	if err := newTxs.Valid(); err != nil {
@@ -214,7 +218,9 @@ func (p *TxPool) Add(newTxs TxSlots) error {
 		return fmt.Errorf("non-zero base fee")
 	}
 
-	setTxSenderID(p.senderIDs, p.senderInfo, newTxs)
+	if err := setTxSenderID(coreDB, &p.senderID, p.senderIDs, p.senderInfo, newTxs); err != nil {
+		return err
+	}
 	if err := onNewTxs(p.senderInfo, newTxs, protocolBaseFee, blockBaseFee, p.pending, p.baseFee, p.queued, p.byHash, p.localsHistory); err != nil {
 		return err
 	}
@@ -286,7 +292,7 @@ func onNewTxs(senderInfo map[uint64]*senderInfo, newTxs TxSlots, protocolBaseFee
 
 	return nil
 }
-func (p *TxPool) OnNewBlock(stateChanges map[string]senderInfo, unwindTxs, minedTxs TxSlots, protocolBaseFee, blockBaseFee, blockHeight uint64) error {
+func (p *TxPool) OnNewBlock(coreDB kv.Tx, stateChanges map[string]senderInfo, unwindTxs, minedTxs TxSlots, protocolBaseFee, blockBaseFee, blockHeight uint64) error {
 	p.lock.Lock()
 	defer p.lock.Unlock()
 	if err := unwindTxs.Valid(); err != nil {
@@ -300,13 +306,18 @@ func (p *TxPool) OnNewBlock(stateChanges map[string]senderInfo, unwindTxs, mined
 	p.protocolBaseFee.Store(protocolBaseFee)
 	p.blockBaseFee.Store(blockBaseFee)
 
-	setTxSenderID(p.senderIDs, p.senderInfo, unwindTxs)
-	setTxSenderID(p.senderIDs, p.senderInfo, minedTxs)
+	if err := setTxSenderID(coreDB, &p.senderID, p.senderIDs, p.senderInfo, unwindTxs); err != nil {
+		return err
+	}
+	if err := setTxSenderID(coreDB, &p.senderID, p.senderIDs, p.senderInfo, minedTxs); err != nil {
+		return err
+	}
 	for addr, id := range p.senderIDs { // merge state changes
 		if v, ok := stateChanges[addr]; ok {
 			p.senderInfo[id] = &v
 		}
 	}
+
 	if err := onNewBlock(p.senderInfo, unwindTxs, minedTxs.txs, protocolBaseFee, blockBaseFee, p.pending, p.baseFee, p.queued, p.byHash, p.localsHistory); err != nil {
 		return err
 	}
@@ -326,24 +337,53 @@ func (p *TxPool) OnNewBlock(stateChanges map[string]senderInfo, unwindTxs, mined
 		}
 	}
 
+	/*
+		// evict sendersInfo without txs
+		if len(p.senderIDs) > MaxSendersInfoCache {
+			for i := range p.senderInfo {
+				if p.senderInfo[i].txNonce2Tx.Len() > 0 {
+					continue
+				}
+				for addr, id := range p.senderIDs {
+					if id == i {
+						delete(p.senderIDs, addr)
+					}
+				}
+				delete(p.senderInfo, i)
+			}
+		}
+	*/
+
 	return nil
 }
-func setTxSenderID(senderIDs map[string]uint64, senderInfo map[uint64]*senderInfo, txs TxSlots) {
+
+func setTxSenderID(coreDB kv.Tx, senderIDSequence *uint64, senderIDs map[string]uint64, sendersInfo map[uint64]*senderInfo, txs TxSlots) error {
 	for i := range txs.txs {
 		addr := string(txs.senders.At(i))
 
+		// assign ID to each new sender
 		id, ok := senderIDs[addr]
 		if !ok {
-			for i := range senderInfo { //TODO: create field for it?
-				if id < i {
-					id = i
-				}
-			}
-			id++
-			senderIDs[addr] = id
+			*senderIDSequence++
+			senderIDs[addr] = *senderIDSequence
 		}
 		txs.txs[i].senderID = id
+
+		// load data from db if need
+		_, ok = sendersInfo[txs.txs[i].senderID]
+		if !ok {
+			encoded, err := coreDB.GetOne(kv.PlainState, txs.senders.At(i))
+			if err != nil {
+				return err
+			}
+			nonce, balance, err := DecodeSender(encoded)
+			if err != nil {
+				return err
+			}
+			sendersInfo[txs.txs[i].senderID] = &senderInfo{nonce: nonce, balance: balance}
+		}
 	}
+	return nil
 }
 
 func onNewBlock(senderInfo map[uint64]*senderInfo, unwindTxs TxSlots, minedTxs []*TxSlot, protocolBaseFee, blockBaseFee uint64, pending, baseFee, queued *SubPool, byHash map[string]*metaTx, localsHistory *lru.Cache) error {
diff --git a/txpool/pool_fuzz_test.go b/txpool/pool_fuzz_test.go
index 257f57592..d905de78f 100644
--- a/txpool/pool_fuzz_test.go
+++ b/txpool/pool_fuzz_test.go
@@ -426,19 +426,19 @@ func FuzzOnNewBlocks11(f *testing.F) {
 		// go to first fork
 		//fmt.Printf("ll1: %d,%d,%d\n", pool.pending.Len(), pool.baseFee.Len(), pool.queued.Len())
 		unwindTxs, minedTxs1, p2pReceived, minedTxs2 := splitDataset(txs)
-		err = pool.OnNewBlock(map[string]senderInfo{}, unwindTxs, minedTxs1, protocolBaseFee, blockBaseFee, 1)
+		err = pool.OnNewBlock(nil, map[string]senderInfo{}, unwindTxs, minedTxs1, protocolBaseFee, blockBaseFee, 1)
 		assert.NoError(err)
 		check(unwindTxs, minedTxs1, "fork1")
 		checkNotify(unwindTxs, minedTxs1, "fork1")
 
 		// unwind everything and switch to new fork (need unwind mined now)
-		err = pool.OnNewBlock(map[string]senderInfo{}, minedTxs1, minedTxs2, protocolBaseFee, blockBaseFee, 2)
+		err = pool.OnNewBlock(nil, map[string]senderInfo{}, minedTxs1, minedTxs2, protocolBaseFee, blockBaseFee, 2)
 		assert.NoError(err)
 		check(minedTxs1, minedTxs2, "fork2")
 		checkNotify(minedTxs1, minedTxs2, "fork2")
 
 		// add some remote txs from p2p
-		err = pool.Add(p2pReceived)
+		err = pool.Add(nil, p2pReceived)
 		assert.NoError(err)
 		check(p2pReceived, TxSlots{}, "p2pmsg1")
 		checkNotify(p2pReceived, TxSlots{}, "p2pmsg1")