2 files changed, 13 insertions, 23 deletions

diff --git a/g4f/Provider/openai/har_file.py b/g4f/Provider/openai/har_file.py
index eefe305f..8dcbe44e 100644
--- a/g4f/Provider/openai/har_file.py
+++ b/g4f/Provider/openai/har_file.py
@@ -35,6 +35,7 @@ headers: dict = None
 proofTokens: list = []
 
 def readHAR():
+    global proofTokens
     dirPath = "./"
     harPath = []
     chatArks = []
@@ -77,8 +78,8 @@ def readHAR():
     if not accessToken:
         raise NoValidHarFileError("No accessToken found in .har files")
     if not chatArks:
-        return None, accessToken, cookies, headers, proofTokens
-    return chatArks.pop(), accessToken, cookies, headers, proofTokens
+        return None, accessToken, cookies, headers
+    return chatArks.pop(), accessToken, cookies, headers
 
 def get_headers(entry) -> dict:
     return {h['name'].lower(): h['value'] for h in entry['request']['headers'] if h['name'].lower() not in ['content-length', 'cookie'] and not h['name'].startswith(':')}
@@ -145,7 +146,7 @@ def getN() -> str:
 async def getArkoseAndAccessToken(proxy: str) -> tuple[str, str, dict, dict]:
     global chatArk, accessToken, cookies, headers, proofTokens
     if chatArk is None or accessToken is None:
-        chatArk, accessToken, cookies, headers, proofTokens = readHAR()
+        chatArk, accessToken, cookies, headers = readHAR()
     if chatArk is None:
         return None, accessToken, cookies, headers, proofTokens
     newReq = genArkReq(chatArk)
diff --git a/g4f/Provider/openai/proofofwork.py b/g4f/Provider/openai/proofofwork.py
index cbce153f..baf8a0ea 100644
--- a/g4f/Provider/openai/proofofwork.py
+++ b/g4f/Provider/openai/proofofwork.py
@@ -4,22 +4,18 @@ import json
 import base64
 from datetime import datetime, timezone
 
-proof_token_cache: dict = {}
 
-def generate_proof_token(required: bool, seed: str = None, difficulty: str = None, user_agent: str = None, proofTokens: list = None):
+def generate_proof_token(required: bool, seed: str = "", difficulty: str = "", user_agent: str = None, proofTokens: list = None):
     if not required:
         return
-    if seed is not None and seed in proof_token_cache:
-        return proof_token_cache[seed]
-
-    # Get current UTC time
-    now_utc = datetime.now(timezone.utc)
-    parse_time = now_utc.strftime('%a, %d %b %Y %H:%M:%S GMT')
 
     if proofTokens:
-        config = random.choice(proofTokens)
+        config = proofTokens[-1]
     else:
         screen = random.choice([3008, 4010, 6000]) * random.choice([1, 2, 4])
+        # Get current UTC time
+        now_utc = datetime.now(timezone.utc)
+        parse_time = now_utc.strftime('%a, %d %b %Y %H:%M:%S GMT')
         config = [
             screen, parse_time,
             None, 0, user_agent,
@@ -31,22 +27,15 @@ def generate_proof_token(required: bool, seed: str = None, difficulty: str = Non
             random.choice(["alert", "ontransitionend", "onprogress"])
         ]
 
-    config[1] = parse_time
-    config[4] = user_agent
-    config[7] = random.randint(101, 2100)
-
-    diff_len = None if difficulty is None else len(difficulty)
+    diff_len = len(difficulty)
     for i in range(100000):
         config[3] = i
         json_data = json.dumps(config)
         base = base64.b64encode(json_data.encode()).decode()
-        hash_value = hashlib.sha3_512((seed or "" + base).encode()).digest()
+        hash_value = hashlib.sha3_512((seed + base).encode()).digest()
 
-        if difficulty is None or hash_value.hex()[:diff_len] <= difficulty:
-            if seed is None:
-                return "gAAAAAC" + base
-            proof_token_cache[seed] = "gAAAAAB" + base
-            return proof_token_cache[seed]
+        if hash_value.hex()[:diff_len] <= difficulty:
+            return "gAAAAAB" + base
 
     fallback_base = base64.b64encode(f'"{seed}"'.encode()).decode()
     return "gAAAAABwQ8Lk5FbGpA2NcR9dShT6gYjU7VxZ4D" + fallback_base