chore: update Python version to 3.11 in CI and project files; remove outdated CONTRIBUTING and SECURITY documents

pyfragment/core/transport.py

@@ -8,7 +8,7 @@ from typing import Any, cast
 import httpx
 
 from pyfragment.core.constants import DEFAULT_TIMEOUT, FRAGMENT_BASE_URL
-from pyfragment.exceptions import FragmentPageError, ParseError, VerificationError
+from pyfragment.exceptions import FragmentPageError, ParseError
 
 
 async def get_fragment_hash(
@@ -73,17 +73,3 @@ async def fragment_request(
             )
         return parse_json_response(resp, data.get("method", "request"))
     raise FragmentPageError(FragmentPageError.BAD_STATUS.format(status=429, url=f"{FRAGMENT_BASE_URL}/api"))
-
-
-async def execute_transaction_request(
-    session: httpx.AsyncClient,
-    headers: dict[str, str],
-    tx_data: dict[str, Any],
-    fragment_hash: str,
-) -> dict[str, Any]:
-    transaction = await fragment_request(session, fragment_hash, headers, tx_data)
-
-    if transaction.get("need_verify"):
-        raise VerificationError(VerificationError.KYC_REQUIRED)
-
-    return transaction

pyfragment/enums.py

@@ -1,18 +1,10 @@
 from __future__ import annotations
 
-import sys
-from enum import Enum
+from enum import StrEnum
 from typing import Any
 
 from tonutils.contracts.wallet import WalletHighloadV2, WalletHighloadV3R1, WalletV4R2, WalletV5R1
 
-if sys.version_info >= (3, 11):
-    from enum import StrEnum
-else:
-
-    class StrEnum(str, Enum):  # noqa: F811
-        pass
-
 
 class PaymentMethod(StrEnum):
     GRAM = "ton"

pyfragment/exceptions.py

@@ -36,10 +36,6 @@ class ConfigurationError(ClientError):
         f"Invalid Stars amount: must be an integer between {STARS_PURCHASE_MIN:,} and {STARS_PURCHASE_MAX:,}."
     )
     INVALID_GRAM_AMOUNT = f"Invalid GRAM (ex TON) amount: must be an integer between {GRAM_TOPUP_MIN:,} and {GRAM_TOPUP_MAX:,}."
-    INVALID_USERNAME = (
-        "Invalid username '{username}'. "
-        "Must be 5-32 characters and contain only letters (A-Z, a-z), digits (0-9), or underscores (_)."
-    )
     INVALID_WINNERS_STARS = (
         f"Invalid winners count: must be an integer between {STARS_WINNERS_MIN:,} and {STARS_WINNERS_MAX:,}."
     )

pyfragment/services/cookies/service.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import importlib
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from typing import Any
 
 from pyfragment.core.constants import FRAGMENT_BASE_URL, FRAGMENT_DOMAIN, REQUIRED_COOKIE_KEYS
@@ -42,11 +42,11 @@ def get_cookies_from_browser(browser: str = "chrome") -> CookieResult:
         if cookie.get("name") == "stel_ssid":
             raw = cookie.get("expires")
             if isinstance(raw, (int, float)):
-                expires_iso = datetime.fromtimestamp(raw, tz=timezone.utc).isoformat()
+                expires_iso = datetime.fromtimestamp(raw, tz=UTC).isoformat()
             elif isinstance(raw, str) and raw:
                 for fmt in ("%Y-%m-%dT%H:%M:%S.%fZ", "%Y-%m-%dT%H:%M:%SZ"):
                     try:
-                        expires_iso = datetime.strptime(raw, fmt).replace(tzinfo=timezone.utc).isoformat()
+                        expires_iso = datetime.strptime(raw, fmt).replace(tzinfo=UTC).isoformat()
                         break
                     except ValueError:
                         continue
@@ -54,7 +54,7 @@ def get_cookies_from_browser(browser: str = "chrome") -> CookieResult:
 
     if expires_iso:
         expires_dt = datetime.fromisoformat(expires_iso)
-        if expires_dt < datetime.now(timezone.utc):
+        if expires_dt < datetime.now(UTC):
             raise CookieError(CookieError.EXPIRED.format(expires=expires_iso))
 
     return CookieResult(cookies={k: cookie_map[k] for k in REQUIRED_COOKIE_KEYS}, expires=expires_iso)