diff --git a/api/fees/fees.go b/api/fees/fees.go
index 8419aad86..80696344e 100644
--- a/api/fees/fees.go
+++ b/api/fees/fees.go
@@ -201,10 +201,12 @@ func (f *Fees) handleGetFeesHistory(w http.ResponseWriter, req *http.Request) er
 
 func (f *Fees) pushBestBlockToCache() {
 	ticker := f.repo.NewTicker()
+	fmt.Printf("LLEGA ticker 1\n")
 	for {
 		select {
 		case <-ticker.C():
 			bestBlockSummary := f.repo.BestBlockSummary()
+			fmt.Printf("LLEGA ticker 2 %+v\n", bestBlockSummary)
 			f.cache.push(bestBlockSummary.Header)
 		case <-f.done:
 			return
diff --git a/test/testchain/chain.go b/test/testchain/chain.go
index 97a0e0859..547253823 100644
--- a/test/testchain/chain.go
+++ b/test/testchain/chain.go
@@ -8,6 +8,7 @@ package testchain
 import (
 	"errors"
 	"fmt"
+	"runtime"
 	"slices"
 	"time"
 
@@ -132,6 +133,9 @@ func (c *Chain) GenesisBlock() *block.Block {
 // MintTransactions creates a block with the provided transactions and adds it to the blockchain.
 // It wraps the transactions with receipts and passes them to MintTransactionsWithReceiptFunc.
 func (c *Chain) MintTransactions(account genesis.DevAccount, transactions ...*tx.Transaction) error {
+	pc, _, _, _ := runtime.Caller(1)
+	function := runtime.FuncForPC(pc)
+	fmt.Printf("LLEGA MintTransactions %s\n", function.Name())
 	return c.MintBlock(account, transactions...)
 }