From 5508cb81b60cd9f899072220b27416dfa5d13bb8 Mon Sep 17 00:00:00 2001
From: joanestebanr <129153821+joanestebanr@users.noreply.github.com>
Date: Fri, 15 Nov 2024 10:03:45 +0100
Subject: [PATCH] feat: if ask empty l1infotree returns 0 leaves

---
 config/environments/cardona/config.toml | 10 ++--------
 l1infotree/tree_test.go                 | 19 +++++++++++++++++++
 state/model/l1infotree_state.go         |  5 +++++
 version.go                              |  2 +-
 4 files changed, 27 insertions(+), 9 deletions(-)

diff --git a/config/environments/cardona/config.toml b/config/environments/cardona/config.toml
index 7d98be8..c5604fb 100644
--- a/config/environments/cardona/config.toml
+++ b/config/environments/cardona/config.toml
@@ -2,13 +2,6 @@
 	Environment = "development" # "production" or "development"
 	Level = "info"
 	Outputs = ["stderr"]
-[DB]
-	Name = "sync"
-	User = "test_user"
-	Password = "test_password"
-	Host = "localhost"
-	Port = "5436"
-	MaxConns = 10
 [Synchronizer]
 	SyncInterval = "10s"
 	SyncChunkSize = 100
@@ -19,4 +12,5 @@
 	[Etherman.Contracts]
 		GlobalExitRootManagerAddr = "0xAd1490c248c5d3CbAE399Fd529b79B42984277DF"
 		RollupManagerAddr = "0x32d33D5137a7cFFb54c5Bf8371172bcEc5f310ff"
-		ZkEVMAddr = "0xA13Ddb14437A8F34897131367ad3ca78416d6bCa"
\ No newline at end of file
+		ZkEVMAddr = "0xA13Ddb14437A8F34897131367ad3ca78416d6bCa"
+
diff --git a/l1infotree/tree_test.go b/l1infotree/tree_test.go
index ccc4159..230b743 100644
--- a/l1infotree/tree_test.go
+++ b/l1infotree/tree_test.go
@@ -3,6 +3,7 @@ package l1infotree_test
 import (
 	"encoding/hex"
 	"encoding/json"
+	"fmt"
 	"os"
 	"testing"
 
@@ -128,3 +129,21 @@ func TestAddLeaf2(t *testing.T) {
 		require.Equal(t, testVector.NewRoot, newRoot)
 	}
 }
+
+func Test1Leave(t *testing.T) {
+	mt, err := l1infotree.NewL1InfoTree(uint8(32), [][32]byte{})
+	require.NoError(t, err)
+	leaves := [][32]byte{
+		common.HexToHash("0x6a617315ffc0a6831d2de6331f8d3e053889e9385696c13f11853fdcba50e123"),
+		common.HexToHash("0x1cff355b898cf285bcc3f84a8d6ed51c19fe87ab654f4146f2dc7723a59fc741"),
+	}
+	//require.Equal(t, 26, len(leaves))
+	siblings, root, err := mt.ComputeMerkleProof(2, leaves)
+	require.NoError(t, err)
+	fmt.Printf("Root: %s\n", root.String())
+	for i := 0; i < len(siblings); i++ {
+		hash := common.BytesToHash(siblings[i][:])
+		fmt.Printf("Sibling %d: %s\n", i, hash.String())
+	}
+
+}
diff --git a/state/model/l1infotree_state.go b/state/model/l1infotree_state.go
index d58c446..659cf4d 100644
--- a/state/model/l1infotree_state.go
+++ b/state/model/l1infotree_state.go
@@ -14,6 +14,7 @@ import (
 const (
 	// SkipL1InfoTreeLeaf is special  index that skip the change of GlobalExitRoot, so the value of this leaf is never used
 	SkipL1InfoTreeLeaf = uint32(0)
+	emptyL1InfoRoot    = "0x27ae5ba08d7291c96c8cbddcc148bf48a6d68c7974b94356f53754ef6171d757"
 )
 
 type L1InfoTreeLeaf = entities.L1InfoTreeLeaf
@@ -149,6 +150,10 @@ func (s *L1InfoTreeState) GetL1InfoTreeLeaves(ctx context.Context, indexLeaves [
 }
 
 func (s *L1InfoTreeState) GetLeafsByL1InfoRoot(ctx context.Context, l1InfoRoot common.Hash, dbTx stateTxType) ([]L1InfoTreeLeaf, error) {
+	if l1InfoRoot == common.HexToHash(emptyL1InfoRoot) {
+		res := make([]L1InfoTreeLeaf, 0)
+		return res, nil
+	}
 	leaves, err := s.storage.GetLeafsByL1InfoRoot(ctx, l1InfoRoot, dbTx)
 	if err != nil {
 		log.Error("error getting leaves by L1InfoRoot. Error: ", err)
diff --git a/version.go b/version.go
index 13f2388..27e66dc 100644
--- a/version.go
+++ b/version.go
@@ -7,7 +7,7 @@ import (
 )
 
 var (
-	Version = "v1.0.5"
+	Version = "v1.0.6"
 )
 
 // PrintVersion prints version info into the provided io.Writer.