feat: Updating syncing to be more correct

main.py

@@ -62,22 +62,34 @@ def indexBlock(blockHeight):
     if blockData.status_code != 200:
         print(f"Error fetching block {blockHeight}: {blockData.status_code}")
         return -1
-    print(blockHeight,end='')
+    print(blockHeight,end='',flush=True)
     saveBlock(blockData.json())
     return 0
     
 
 def saveTransaction(txData,blockHeight):
-    with db.cursor() as cursor:
+    dbT = mysql.connector.connect(
+        host=DB_HOST,
+        user=DB_USER,
+        password=DB_PASSWORD,
+        database=DB_NAME,
+        charset='utf8mb4',
+        collation='utf8mb4_unicode_ci',
+    )
+
+    with dbT.cursor() as cursor:
         # Check if transaction exists in database
         cursor.execute("SELECT * FROM transactions WHERE hash = %s", (txData["hash"],))
         txExists = cursor.fetchone()
         if txExists:
+            print('*',end='',flush=True)
             return
         
         cursor.execute("INSERT INTO transactions (hash, witnessHash, fee, rate, mtime, block, `index`, version, inputs, outputs, locktime, hex) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)", (txData["hash"], txData["witnessHash"], txData["fee"], txData["rate"], txData["mtime"], blockHeight, txData["index"], txData["version"], json.dumps(txData["inputs"]), json.dumps(txData["outputs"]), txData["locktime"], txData["hex"]))
-        db.commit()
-        print('.',end='')
+    dbT.commit()
+    dbT.close()
+    print('.',end='',flush=True)
+    
 
 def saveBlock(blockData):
     hashes = []
@@ -85,16 +97,29 @@ def saveBlock(blockData):
         saveTransaction(tx,blockData["height"])
         hashes.append(tx["hash"])
 
-    with db.cursor() as cursor:
+    # Create a new connection
+    dbB = mysql.connector.connect(
+        host=DB_HOST,
+        user=DB_USER,
+        password=DB_PASSWORD,
+        database=DB_NAME,
+        charset='utf8mb4',
+        collation='utf8mb4_unicode_ci',
+    )
+
+    with dbB.cursor() as cursor:
         # Check if block exists in database
         cursor.execute("SELECT * FROM blocks WHERE height = %s", (blockData["height"],))
         blockExists = cursor.fetchone()
         if blockExists:
+            print('-',flush=True)
             return
 
         cursor.execute("INSERT INTO blocks (hash, height, depth, version, prevBlock, merkleRoot, witnessRoot, treeRoot, reservedRoot, time, bits, nonce, extraNonce, mask, txs) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)", (blockData["hash"], blockData["height"], blockData["depth"], blockData["version"], blockData["prevBlock"], blockData["merkleRoot"], blockData["witnessRoot"], blockData["treeRoot"], blockData["reservedRoot"], blockData["time"], blockData["bits"], blockData["nonce"], blockData["extraNonce"], blockData["mask"], json.dumps(hashes)))
-        db.commit()
-        print('.')
+        
+    dbB.commit()
+    dbB.close()
+    print('')
 
 def setupDB():
     """Creates the database tables"""
@@ -105,28 +130,25 @@ def setupDB():
 # Get the newest block height in the database
 def getNewestBlock() -> int:
     """Returns the height of the newest block in the database"""
-    with db.cursor() as cursor:
+
+    dbN = mysql.connector.connect(
+        host=DB_HOST,
+        user=DB_USER,
+        password=DB_PASSWORD,
+        database=DB_NAME,
+        charset='utf8mb4',
+        collation='utf8mb4_unicode_ci',
+    )
+
+    with dbN.cursor() as cursor:
         cursor.execute("SELECT height FROM blocks ORDER BY height DESC LIMIT 1")
         newestBlock = cursor.fetchone()
         if newestBlock:
             return int(newestBlock[0])
+         
+    dbN.close()
     return -1
-        
 
-def indexChain():
-    startBlock = getNewestBlock()
-    if startBlock == -1:
-        print("ERROR GETTING NEWEST BLOCK")
-        sys.exit(1)
-
-    count = 0
-    while True:
-        if count >= 1000:
-            break
-        if indexBlock(startBlock + count) != 0:
-            break
-        count += 1
-    print(f"Indexing from block {startBlock} to {startBlock + count} complete.")
 
 def dbCheck():
     # For the first 100 blocks, check for transactions
@@ -250,7 +272,7 @@ class BlockWatcher:
 
 class CatchUp:
     def __init__(self, currentHeight, targetHeight):
-        self.currentHeight = currentHeight
+        self.currentHeight = currentHeight - 1
         self.targetHeight = targetHeight
         self.running = True
         self.closing = False