diff --git a/core/bor_blockchain.go b/core/bor_blockchain.go
index 1a5ce39e62..e0525b8365 100644
--- a/core/bor_blockchain.go
+++ b/core/bor_blockchain.go
@@ -1,6 +1,7 @@
 package core
 
 import (
+	"fmt"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/types"
@@ -8,6 +9,7 @@ import (
 
 // GetBorReceiptByHash retrieves the bor block receipt in a given block.
 func (bc *BlockChain) GetBorReceiptByHash(hash common.Hash) *types.Receipt {
+	fmt.Printf(">>>>> GetBorBlockReceiptBorBlockchain\n")
 	if receipt, ok := bc.borReceiptsCache.Get(hash); ok {
 		return receipt
 	}
diff --git a/eth/bor_api_backend.go b/eth/bor_api_backend.go
index 9f909caa8e..cfa9e74f72 100644
--- a/eth/bor_api_backend.go
+++ b/eth/bor_api_backend.go
@@ -20,6 +20,7 @@ var errBorEngineNotAvailable error = errors.New("Only available in Bor engine")
 // GetRootHash returns root hash for given start and end block
 func (b *EthAPIBackend) GetRootHash(ctx context.Context, starBlockNr uint64, endBlockNr uint64) (string, error) {
 	var api *bor.API
+	fmt.Printf(">>>>> GetRootHashApiBackend\n")
 
 	for _, _api := range b.eth.Engine().APIs(b.eth.BlockChain()) {
 		if _api.Namespace == "bor" {
@@ -42,6 +43,7 @@ func (b *EthAPIBackend) GetRootHash(ctx context.Context, starBlockNr uint64, end
 // GetRootHash returns root hash for given start and end block
 func (b *EthAPIBackend) GetVoteOnHash(ctx context.Context, starBlockNr uint64, endBlockNr uint64, hash string, milestoneId string) (bool, error) {
 	var api *bor.API
+	fmt.Printf(">>>>> GetVoteOnHashApiBackend\n")
 
 	for _, _api := range b.eth.Engine().APIs(b.eth.BlockChain()) {
 		if _api.Namespace == "bor" {
@@ -90,6 +92,8 @@ func (b *EthAPIBackend) GetVoteOnHash(ctx context.Context, starBlockNr uint64, e
 
 // GetBorBlockReceipt returns bor block receipt
 func (b *EthAPIBackend) GetBorBlockReceipt(ctx context.Context, hash common.Hash) (*types.Receipt, error) {
+	fmt.Printf(">>>>> GetBorBlockReceiptApiBackend\n")
+
 	receipt := b.eth.blockchain.GetBorReceiptByHash(hash)
 	if receipt == nil {
 		return nil, ethereum.NotFound
@@ -100,6 +104,7 @@ func (b *EthAPIBackend) GetBorBlockReceipt(ctx context.Context, hash common.Hash
 
 // GetBorBlockLogs returns bor block logs
 func (b *EthAPIBackend) GetBorBlockLogs(ctx context.Context, hash common.Hash) ([]*types.Log, error) {
+	fmt.Printf(">>>>> GetBorBlockLogsApiBackend\n")
 	receipt := b.eth.blockchain.GetBorReceiptByHash(hash)
 	if receipt == nil {
 		return nil, nil
@@ -110,21 +115,25 @@ func (b *EthAPIBackend) GetBorBlockLogs(ctx context.Context, hash common.Hash) (
 
 // GetBorBlockTransaction returns bor block tx
 func (b *EthAPIBackend) GetBorBlockTransaction(ctx context.Context, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error) {
+	fmt.Printf(">>>>> GetBorBlockTransactionApiBackend\n")
 	tx, blockHash, blockNumber, index := rawdb.ReadBorTransaction(b.eth.ChainDb(), hash)
 	return tx, blockHash, blockNumber, index, nil
 }
 
 func (b *EthAPIBackend) GetBorBlockTransactionWithBlockHash(ctx context.Context, txHash common.Hash, blockHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error) {
+	fmt.Printf(">>>>> GetBorBlockTransactionWithBlockHashApiBackend\n")
 	tx, blockHash, blockNumber, index := rawdb.ReadBorTransactionWithBlockHash(b.eth.ChainDb(), txHash, blockHash)
 	return tx, blockHash, blockNumber, index, nil
 }
 
 // SubscribeStateSyncEvent subscribes to state sync event
 func (b *EthAPIBackend) SubscribeStateSyncEvent(ch chan<- core.StateSyncEvent) event.Subscription {
+	fmt.Printf(">>>>> SubscribeStateSyncEventApiBackend\n")
 	return b.eth.BlockChain().SubscribeStateSyncEvent(ch)
 }
 
 // SubscribeChain2HeadEvent subscribes to reorg/head/fork event
 func (b *EthAPIBackend) SubscribeChain2HeadEvent(ch chan<- core.Chain2HeadEvent) event.Subscription {
+	fmt.Printf(">>>>> SubscribeChain2HeadEventApiBackend\n")
 	return b.eth.BlockChain().SubscribeChain2HeadEvent(ch)
 }