diff --git a/consensus/clique/snapshot_test.go b/consensus/clique/snapshot_test.go
index 0f487177b..de00f536d 100644
--- a/consensus/clique/snapshot_test.go
+++ b/consensus/clique/snapshot_test.go
@@ -23,6 +23,8 @@ import (
 	"sort"
 	"testing"
 
+	"github.com/ledgerwatch/log/v3"
+
 	"github.com/ledgerwatch/erigon-lib/chain"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/common/length"
@@ -35,7 +37,7 @@ import (
 	"github.com/ledgerwatch/erigon/eth/stagedsync"
 	"github.com/ledgerwatch/erigon/params"
 	"github.com/ledgerwatch/erigon/turbo/stages/mock"
-	"github.com/ledgerwatch/log/v3"
+	"github.com/ledgerwatch/erigon/turbo/testlog"
 )
 
 // testerAccountPool is a pool to maintain currently active tester accounts,
@@ -392,6 +394,7 @@ func TestClique(t *testing.T) {
 		tt := tt
 
 		t.Run(tt.name, func(t *testing.T) {
+			logger := testlog.Logger(t, log.LvlInfo)
 			// Create the account pool and generate the initial set of signers
 			accounts := newTesterAccountPool()
 
@@ -509,7 +512,13 @@ func TestClique(t *testing.T) {
 
 			var snap *clique.Snapshot
 			if err := m.DB.View(context.Background(), func(tx kv.Tx) error {
-				snap, err = engine.Snapshot(stagedsync.ChainReader{Cfg: config, Db: tx, BlockReader: m.BlockReader}, head.NumberU64(), head.Hash(), nil)
+				chainReader := stagedsync.ChainReader{
+					Cfg:         config,
+					Db:          tx,
+					BlockReader: m.BlockReader,
+					Logger:      logger,
+				}
+				snap, err = engine.Snapshot(chainReader, head.NumberU64(), head.Hash(), nil)
 				if err != nil {
 					return err
 				}
diff --git a/core/block_validator_test.go b/core/block_validator_test.go
index 34ab7a2c2..e57d40d34 100644
--- a/core/block_validator_test.go
+++ b/core/block_validator_test.go
@@ -20,13 +20,17 @@ import (
 	"context"
 	"testing"
 
+	"github.com/ledgerwatch/log/v3"
+
 	"github.com/ledgerwatch/erigon-lib/kv"
+	"github.com/ledgerwatch/erigon/consensus"
 	"github.com/ledgerwatch/erigon/consensus/ethash"
 	"github.com/ledgerwatch/erigon/core"
 	"github.com/ledgerwatch/erigon/core/types"
 	"github.com/ledgerwatch/erigon/eth/stagedsync"
 	"github.com/ledgerwatch/erigon/params"
 	"github.com/ledgerwatch/erigon/turbo/stages/mock"
+	"github.com/ledgerwatch/erigon/turbo/testlog"
 )
 
 // Tests that simple header verification works, for both good and bad blocks.
@@ -37,6 +41,7 @@ func TestHeaderVerification(t *testing.T) {
 		gspec  = &types.Genesis{Config: params.TestChainConfig}
 		engine = ethash.NewFaker()
 	)
+	logger := testlog.Logger(t, log.LvlInfo)
 	checkStateRoot := true
 	m := mock.MockWithGenesisEngine(t, gspec, engine, false, checkStateRoot)
 
@@ -48,13 +53,19 @@ func TestHeaderVerification(t *testing.T) {
 	for i := 0; i < chain.Length(); i++ {
 		if err := m.DB.View(context.Background(), func(tx kv.Tx) error {
 			for j, valid := range []bool{true, false} {
-				if valid {
-					engine := ethash.NewFaker()
-					err = engine.VerifyHeader(stagedsync.ChainReader{Cfg: *params.TestChainConfig, Db: tx, BlockReader: m.BlockReader}, chain.Headers[i], true)
-				} else {
-					engine := ethash.NewFakeFailer(chain.Headers[i].Number.Uint64())
-					err = engine.VerifyHeader(stagedsync.ChainReader{Cfg: *params.TestChainConfig, Db: tx, BlockReader: m.BlockReader}, chain.Headers[i], true)
+				chainReader := stagedsync.ChainReader{
+					Cfg:         *params.TestChainConfig,
+					Db:          tx,
+					BlockReader: m.BlockReader,
+					Logger:      logger,
 				}
+				var engine consensus.Engine
+				if valid {
+					engine = ethash.NewFaker()
+				} else {
+					engine = ethash.NewFakeFailer(chain.Headers[i].Number.Uint64())
+				}
+				err = engine.VerifyHeader(chainReader, chain.Headers[i], true)
 				if (err == nil) != valid {
 					t.Errorf("test %d.%d: validity mismatch: have %v, want %v", i, j, err, valid)
 				}
@@ -79,6 +90,7 @@ func TestHeaderWithSealVerification(t *testing.T) {
 		gspec  = &types.Genesis{Config: params.TestChainAuraConfig}
 		engine = ethash.NewFaker()
 	)
+	logger := testlog.Logger(t, log.LvlInfo)
 	checkStateRoot := true
 	m := mock.MockWithGenesisEngine(t, gspec, engine, false, checkStateRoot)
 
@@ -91,13 +103,19 @@ func TestHeaderWithSealVerification(t *testing.T) {
 	for i := 0; i < chain.Length(); i++ {
 		if err := m.DB.View(context.Background(), func(tx kv.Tx) error {
 			for j, valid := range []bool{true, false} {
-				if valid {
-					engine := ethash.NewFaker()
-					err = engine.VerifyHeader(stagedsync.ChainReader{Cfg: *params.TestChainAuraConfig, Db: tx, BlockReader: m.BlockReader}, chain.Headers[i], true)
-				} else {
-					engine := ethash.NewFakeFailer(chain.Headers[i].Number.Uint64())
-					err = engine.VerifyHeader(stagedsync.ChainReader{Cfg: *params.TestChainAuraConfig, Db: tx, BlockReader: m.BlockReader}, chain.Headers[i], true)
+				chainReader := stagedsync.ChainReader{
+					Cfg:         *params.TestChainAuraConfig,
+					Db:          tx,
+					BlockReader: m.BlockReader,
+					Logger:      logger,
 				}
+				var engine consensus.Engine
+				if valid {
+					engine = ethash.NewFaker()
+				} else {
+					engine = ethash.NewFakeFailer(chain.Headers[i].Number.Uint64())
+				}
+				err = engine.VerifyHeader(chainReader, chain.Headers[i], true)
 				if (err == nil) != valid {
 					t.Errorf("test %d.%d: validity mismatch: have %v, want %v", i, j, err, valid)
 				}
diff --git a/eth/stagedsync/chain_reader.go b/eth/stagedsync/chain_reader.go
index 862cae571..f1d0e5205 100644
--- a/eth/stagedsync/chain_reader.go
+++ b/eth/stagedsync/chain_reader.go
@@ -4,23 +4,24 @@ import (
 	"context"
 	"math/big"
 
+	"github.com/ledgerwatch/log/v3"
+
 	"github.com/ledgerwatch/erigon-lib/chain"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/kv"
-	"github.com/ledgerwatch/erigon/rlp"
-	"github.com/ledgerwatch/erigon/turbo/services"
-	"github.com/ledgerwatch/log/v3"
-
 	"github.com/ledgerwatch/erigon/core/rawdb"
 	"github.com/ledgerwatch/erigon/core/types"
+	"github.com/ledgerwatch/erigon/rlp"
+	"github.com/ledgerwatch/erigon/turbo/services"
 )
 
-// Implements consensus.ChainReader
+// ChainReader implements consensus.ChainReader
 type ChainReader struct {
 	Cfg chain.Config
 
 	Db          kv.Getter
 	BlockReader services.FullBlockReader
+	Logger      log.Logger
 }
 
 // Config retrieves the blockchain's chain configuration.
@@ -81,10 +82,16 @@ func (cr ChainReader) FrozenBlocks() uint64 {
 	return cr.BlockReader.FrozenBlocks()
 }
 
-func (cr ChainReader) BorEventsByBlock(hash libcommon.Hash, number uint64) []rlp.RawValue {
-	panic("")
+func (cr ChainReader) BorEventsByBlock(_ libcommon.Hash, _ uint64) []rlp.RawValue {
+	panic("bor events by block not implemented")
 }
 
 func (cr ChainReader) BorSpan(spanId uint64) []byte {
-	panic("")
+	span, err := cr.BlockReader.Span(context.Background(), cr.Db, spanId)
+	if err != nil {
+		cr.Logger.Error("BorSpan failed", "err", err)
+		return nil
+	}
+
+	return span
 }
diff --git a/eth/stagedsync/stage_bodies.go b/eth/stagedsync/stage_bodies.go
index 628112643..c10aaae44 100644
--- a/eth/stagedsync/stage_bodies.go
+++ b/eth/stagedsync/stage_bodies.go
@@ -6,14 +6,14 @@ import (
 	"runtime"
 	"time"
 
+	"github.com/ledgerwatch/log/v3"
+
 	"github.com/ledgerwatch/erigon-lib/chain"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/common/dbg"
 	"github.com/ledgerwatch/erigon-lib/kv"
 	"github.com/ledgerwatch/erigon/core/rawdb"
 	"github.com/ledgerwatch/erigon/core/rawdb/blockio"
-	"github.com/ledgerwatch/log/v3"
-
 	"github.com/ledgerwatch/erigon/dataflow"
 	"github.com/ledgerwatch/erigon/eth/stagedsync/stages"
 	"github.com/ledgerwatch/erigon/turbo/adapter"
@@ -134,7 +134,7 @@ func BodiesForward(
 	prevProgress := bodyProgress
 	var noProgressCount uint = 0 // How many time the progress was printed without actual progress
 	var totalDelivered uint64 = 0
-	cr := ChainReader{Cfg: cfg.chanConfig, Db: tx, BlockReader: cfg.blockReader}
+	cr := ChainReader{Cfg: cfg.chanConfig, Db: tx, BlockReader: cfg.blockReader, Logger: logger}
 
 	loopBody := func() (bool, error) {
 		// loopCount is used here to ensure we don't get caught in a constant loop of making requests
diff --git a/eth/stagedsync/stage_headers.go b/eth/stagedsync/stage_headers.go
index aa60d348a..839d78424 100644
--- a/eth/stagedsync/stage_headers.go
+++ b/eth/stagedsync/stage_headers.go
@@ -9,19 +9,19 @@ import (
 	"time"
 
 	"github.com/c2h5oh/datasize"
+	"github.com/ledgerwatch/log/v3"
+
 	"github.com/ledgerwatch/erigon-lib/chain"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/common/dbg"
 	"github.com/ledgerwatch/erigon-lib/common/hexutility"
 	"github.com/ledgerwatch/erigon-lib/kv"
-	"github.com/ledgerwatch/erigon/core/rawdb/blockio"
-	"github.com/ledgerwatch/erigon/eth/ethconfig"
-	"github.com/ledgerwatch/erigon/eth/stagedsync/stages"
-	"github.com/ledgerwatch/log/v3"
-
 	"github.com/ledgerwatch/erigon/common"
 	"github.com/ledgerwatch/erigon/core/rawdb"
+	"github.com/ledgerwatch/erigon/core/rawdb/blockio"
 	"github.com/ledgerwatch/erigon/core/types"
+	"github.com/ledgerwatch/erigon/eth/ethconfig"
+	"github.com/ledgerwatch/erigon/eth/stagedsync/stages"
 	"github.com/ledgerwatch/erigon/rlp"
 	"github.com/ledgerwatch/erigon/turbo/engineapi/engine_helpers"
 	"github.com/ledgerwatch/erigon/turbo/services"
@@ -183,7 +183,12 @@ func HeadersPOW(
 	}
 	TEMP TESTING */
 	headerInserter := headerdownload.NewHeaderInserter(logPrefix, localTd, startProgress, cfg.blockReader)
-	cfg.hd.SetHeaderReader(&ChainReaderImpl{config: &cfg.chainConfig, tx: tx, blockReader: cfg.blockReader})
+	cfg.hd.SetHeaderReader(&ChainReaderImpl{
+		config:      &cfg.chainConfig,
+		tx:          tx,
+		blockReader: cfg.blockReader,
+		logger:      logger,
+	})
 
 	stopped := false
 	var noProgressCounter uint = 0
diff --git a/eth/stagedsync/stage_mining_create_block.go b/eth/stagedsync/stage_mining_create_block.go
index 5016d4afa..40b63680e 100644
--- a/eth/stagedsync/stage_mining_create_block.go
+++ b/eth/stagedsync/stage_mining_create_block.go
@@ -8,11 +8,10 @@ import (
 	"time"
 
 	mapset "github.com/deckarep/golang-set/v2"
-	"github.com/ledgerwatch/erigon-lib/chain"
-	libcommon "github.com/ledgerwatch/erigon-lib/common"
-	"github.com/ledgerwatch/erigon/turbo/services"
 	"github.com/ledgerwatch/log/v3"
 
+	"github.com/ledgerwatch/erigon-lib/chain"
+	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/kv"
 	"github.com/ledgerwatch/erigon/common/debug"
 	"github.com/ledgerwatch/erigon/consensus"
@@ -22,6 +21,7 @@ import (
 	"github.com/ledgerwatch/erigon/core/types"
 	"github.com/ledgerwatch/erigon/eth/ethutils"
 	"github.com/ledgerwatch/erigon/params"
+	"github.com/ledgerwatch/erigon/turbo/services"
 )
 
 type MiningBlock struct {
@@ -127,7 +127,7 @@ func SpawnMiningCreateBlockStage(s *StageState, tx kv.RwTx, cfg MiningCreateBloc
 	if err != nil {
 		return err
 	}
-	chain := ChainReader{Cfg: cfg.chainConfig, Db: tx, BlockReader: cfg.blockReader}
+	chain := ChainReader{Cfg: cfg.chainConfig, Db: tx, BlockReader: cfg.blockReader, Logger: logger}
 	var GetBlocksFromHash = func(hash libcommon.Hash, n int) (blocks []*types.Block) {
 		number := rawdb.ReadHeaderNumber(tx, hash)
 		if number == nil {
diff --git a/eth/stagedsync/stage_mining_exec.go b/eth/stagedsync/stage_mining_exec.go
index d2ad47f6f..abc94326d 100644
--- a/eth/stagedsync/stage_mining_exec.go
+++ b/eth/stagedsync/stage_mining_exec.go
@@ -10,15 +10,14 @@ import (
 
 	mapset "github.com/deckarep/golang-set/v2"
 	"github.com/holiman/uint256"
-	"github.com/ledgerwatch/erigon-lib/kv/membatch"
 	"github.com/ledgerwatch/log/v3"
 	"golang.org/x/net/context"
 
 	"github.com/ledgerwatch/erigon-lib/chain"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/kv"
+	"github.com/ledgerwatch/erigon-lib/kv/membatch"
 	types2 "github.com/ledgerwatch/erigon-lib/types"
-
 	"github.com/ledgerwatch/erigon/consensus"
 	"github.com/ledgerwatch/erigon/core"
 	"github.com/ledgerwatch/erigon/core/rawdb"
@@ -89,7 +88,7 @@ func SpawnMiningExecStage(s *StageState, tx kv.RwTx, cfg MiningExecCfg, quit <-c
 	ibs := state.New(stateReader)
 	stateWriter := state.NewPlainStateWriter(tx, tx, current.Header.Number.Uint64())
 
-	chainReader := ChainReader{Cfg: cfg.chainConfig, Db: tx, BlockReader: cfg.blockReader}
+	chainReader := ChainReader{Cfg: cfg.chainConfig, Db: tx, BlockReader: cfg.blockReader, Logger: logger}
 	core.InitializeBlockExecution(cfg.engine, chainReader, current.Header, &cfg.chainConfig, ibs, logger)
 
 	// Create an empty block based on temporary copied state for
@@ -163,7 +162,7 @@ func SpawnMiningExecStage(s *StageState, tx kv.RwTx, cfg MiningExecCfg, quit <-c
 	}
 
 	var err error
-	_, current.Txs, current.Receipts, err = core.FinalizeBlockExecution(cfg.engine, stateReader, current.Header, current.Txs, current.Uncles, stateWriter, &cfg.chainConfig, ibs, current.Receipts, current.Withdrawals, ChainReaderImpl{config: &cfg.chainConfig, tx: tx, blockReader: cfg.blockReader}, true, logger)
+	_, current.Txs, current.Receipts, err = core.FinalizeBlockExecution(cfg.engine, stateReader, current.Header, current.Txs, current.Uncles, stateWriter, &cfg.chainConfig, ibs, current.Receipts, current.Withdrawals, ChainReaderImpl{config: &cfg.chainConfig, tx: tx, blockReader: cfg.blockReader, logger: logger}, true, logger)
 	if err != nil {
 		return err
 	}
diff --git a/eth/stagedsync/stage_mining_finish.go b/eth/stagedsync/stage_mining_finish.go
index 16d90e006..81cc486e5 100644
--- a/eth/stagedsync/stage_mining_finish.go
+++ b/eth/stagedsync/stage_mining_finish.go
@@ -3,14 +3,14 @@ package stagedsync
 import (
 	"fmt"
 
-	"github.com/ledgerwatch/erigon-lib/chain"
-	"github.com/ledgerwatch/erigon-lib/kv"
-	"github.com/ledgerwatch/erigon/turbo/builder"
-	"github.com/ledgerwatch/erigon/turbo/services"
 	"github.com/ledgerwatch/log/v3"
 
+	"github.com/ledgerwatch/erigon-lib/chain"
+	"github.com/ledgerwatch/erigon-lib/kv"
 	"github.com/ledgerwatch/erigon/consensus"
 	"github.com/ledgerwatch/erigon/core/types"
+	"github.com/ledgerwatch/erigon/turbo/builder"
+	"github.com/ledgerwatch/erigon/turbo/services"
 )
 
 type MiningFinishCfg struct {
@@ -95,7 +95,7 @@ func SpawnMiningFinishStage(s *StageState, tx kv.RwTx, cfg MiningFinishCfg, quit
 	default:
 		logger.Trace("No in-flight sealing task.")
 	}
-	chain := ChainReader{Cfg: cfg.chainConfig, Db: tx, BlockReader: cfg.blockReader}
+	chain := ChainReader{Cfg: cfg.chainConfig, Db: tx, BlockReader: cfg.blockReader, Logger: logger}
 	if err := cfg.engine.Seal(chain, block, cfg.miningState.MiningResultCh, cfg.sealCancel); err != nil {
 		logger.Warn("Block sealing failed", "err", err)
 	}