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remnawave-minishop/backend/bot/payment_providers/paykilla.py
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import hashlib
import hmac
import json
import logging
import re
import time
from datetime import datetime, timedelta, timezone
from typing import Any, Dict, List, Optional, Tuple
from urllib.parse import urlencode
from aiogram import Bot, F, Router, types
from aiohttp import web
from pydantic import AliasChoices, Field, field_validator
from pydantic_settings import SettingsConfigDict
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.orm import sessionmaker
from bot.middlewares.i18n import JsonI18n
from bot.services.referral_service import ReferralService
from bot.services.subscription_service import SubscriptionService
from bot.utils.request_security import ip_in_allowlist, request_client_ip
from config.settings import Settings
from config.tariffs_config import (
default_currency_key_for_settings,
default_payment_currency_code_for_settings,
)
from db.dal import payment_dal
from .base import (
PaymentProviderSpec,
ProviderEnvConfig,
ProviderManifestField,
ServiceFactoryContext,
WebAppPaymentContext,
normalize_payment_currency_code,
parse_supported_currency_codes,
provider_env_file,
provider_runtime_enabled,
)
from .shared import (
HttpClientMixin,
PaymentSuccessRequest,
build_payment_record_payload,
create_webapp_payment_record,
decimal_amounts_equal,
describe_payment,
finalize_successful_payment,
finalize_webapp_link_payment,
first_value,
format_decimal_amount,
lookup_payment_by_order_or_provider_id,
make_translator,
notify_callback_parse_error,
notify_payment_record_failure,
notify_service_unavailable,
notify_user_payment_failed,
parse_payment_callback,
payment_failed,
payment_unavailable,
payment_units_for_activation,
quote_hwid_callback_parts,
render_link_or_fail,
)
router = Router(name="user_subscription_payments_paykilla_router")
_LOG = "paykilla"
PAYKILLA_DEFAULT_PAYMENT_CURRENCIES = "USDTTRC,BTC,ETH"
PAYKILLA_DEFAULT_SUPPORTED_CURRENCIES = (
"RUB,USD,EUR,AED,GBP,BTC,ETH,TRX,TON,USDTTRC,USDTETH,USDTBSC,"
"USDCETH,USDCBSC,DAIETH,DAIBSC,BNBBSC,ETHBSC,LINKETH,LINKBSC,"
"USDTTON,AAVEETH,MANAETH,SHIBETH"
)
_FIAT_CURRENCIES = {"RUB", "USD", "EUR", "AED", "GBP"}
_SUCCESS_EVENTS = {"INVOICE_PAID", "PAYMENT_COMPLETED", "PAYMENT_OVERPAID"}
_FAILED_EVENTS = {
"PAYMENT_FAILED",
"PAYMENT_UNDERPAID",
"INVOICE_EXPIRED",
"INVOICE_CANCELLED",
"PAYMENT_CANCELLED",
"COMPLIANCE_FAILED",
}
_CYRILLIC_TO_LATIN = str.maketrans(
{
"А": "A",
"Б": "B",
"В": "V",
"Г": "G",
"Д": "D",
"Е": "E",
"Ё": "E",
"Ж": "Zh",
"З": "Z",
"И": "I",
"Й": "Y",
"К": "K",
"Л": "L",
"М": "M",
"Н": "N",
"О": "O",
"П": "P",
"Р": "R",
"С": "S",
"Т": "T",
"У": "U",
"Ф": "F",
"Х": "H",
"Ц": "Ts",
"Ч": "Ch",
"Ш": "Sh",
"Щ": "Sch",
"Ъ": "",
"Ы": "Y",
"Ь": "",
"Э": "E",
"Ю": "Yu",
"Я": "Ya",
"а": "a",
"б": "b",
"в": "v",
"г": "g",
"д": "d",
"е": "e",
"ё": "e",
"ж": "zh",
"з": "z",
"и": "i",
"й": "y",
"к": "k",
"л": "l",
"м": "m",
"н": "n",
"о": "o",
"п": "p",
"р": "r",
"с": "s",
"т": "t",
"у": "u",
"ф": "f",
"х": "h",
"ц": "ts",
"ч": "ch",
"ш": "sh",
"щ": "sch",
"ъ": "",
"ы": "y",
"ь": "",
"э": "e",
"ю": "yu",
"я": "ya",
}
)
class PaykillaConfig(ProviderEnvConfig):
"""PayKilla V2 env vars."""
model_config = SettingsConfigDict(
env_file=provider_env_file(),
env_file_encoding="utf-8",
env_prefix="PAYKILLA_",
extra="ignore",
populate_by_name=True,
)
ENABLED: bool = Field(default=False)
API_KEY: Optional[str] = Field(
default=None,
validation_alias=AliasChoices("PAYKILLA_API_KEY", "PAYKILLA_V2_API_KEY"),
)
SECRET_KEY: Optional[str] = Field(
default=None,
validation_alias=AliasChoices("PAYKILLA_SECRET_KEY", "PAYKILLA_V2_SECRET_KEY"),
)
BASE_URL: str = Field(
default="https://account-api.paykilla.com",
validation_alias=AliasChoices("PAYKILLA_BASE_URL", "PAYKILLA_V2_BASE_URL"),
)
WIDGET_URL: str = Field(default="https://gopay.paykilla.com")
CURRENCY: str = Field(default="RUB")
INVOICE_TYPE: Optional[str] = None
PAYMENT_CURRENCIES: str = Field(default=PAYKILLA_DEFAULT_PAYMENT_CURRENCIES)
SUPPORTED_CURRENCIES: str = Field(default=PAYKILLA_DEFAULT_SUPPORTED_CURRENCIES)
LIFETIME_SECONDS: int = Field(default=3600)
RECV_WINDOW_MS: int = Field(default=5000)
USER_PAYS_SERVICE_FEE: bool = Field(default=True)
USER_PAYS_NETWORK_FEE: bool = Field(default=True)
VERIFY_WEBHOOK_SIGNATURE: bool = Field(default=True)
WEBHOOK_URL: Optional[str] = None
TRUSTED_IPS: str = Field(default="")
@field_validator("LIFETIME_SECONDS", mode="before")
@classmethod
def _clamp_lifetime(cls, v):
if isinstance(v, str):
v = v.strip()
try:
value = int(v)
except (TypeError, ValueError):
return 3600
return min(2_592_000, max(300, value))
@field_validator("RECV_WINDOW_MS", mode="before")
@classmethod
def _clamp_recv_window(cls, v):
if isinstance(v, str):
v = v.strip()
try:
value = int(v)
except (TypeError, ValueError):
return 5000
return min(60_000, max(1000, value))
@field_validator(
"API_KEY",
"SECRET_KEY",
"INVOICE_TYPE",
"WEBHOOK_URL",
mode="before",
)
@classmethod
def _strip_optional(cls, v):
if isinstance(v, str) and not v.strip():
return None
return v
@field_validator("INVOICE_TYPE", mode="before")
@classmethod
def _normalize_invoice_type(cls, v):
if isinstance(v, str):
value = v.strip().upper()
return value or None
return v
@property
def webhook_path(self) -> str:
return "/webhook/paykilla"
def full_webhook_url(self, base: Optional[str]) -> Optional[str]:
if self.WEBHOOK_URL:
return self.WEBHOOK_URL.rstrip("/")
if not base:
return None
return f"{base.rstrip('/')}{self.webhook_path}"
@property
def trusted_ips_list(self) -> List[str]:
return [item.strip() for item in (self.TRUSTED_IPS or "").split(",") if item.strip()]
class PaykillaPresentation(ProviderEnvConfig):
"""Admin-tunable button text/icon overrides for PayKilla."""
model_config = SettingsConfigDict(
env_file=provider_env_file(),
env_file_encoding="utf-8",
env_prefix="PAYMENT_PAYKILLA_",
extra="ignore",
)
WEBAPP_LABEL_RU: Optional[str] = None
WEBAPP_LABEL_EN: Optional[str] = None
WEBAPP_ICON: Optional[str] = None
TELEGRAM_LABEL_RU: Optional[str] = None
TELEGRAM_LABEL_EN: Optional[str] = None
TELEGRAM_EMOJI: Optional[str] = None
def _normalize_paykilla_text(value: Any) -> str:
text = str(value or "")
text = text.translate(_CYRILLIC_TO_LATIN)
text = re.sub(r"[-\u2010-\u2015]", " ", text)
text = text.encode("ascii", "ignore").decode("ascii")
text = re.sub(r"[^A-Za-z0-9_\s.,]", "", text)
return re.sub(r"\s+", " ", text).strip()
def _clean_paykilla_text(value: Any, *, fallback: str, max_length: int = 255) -> str:
text = _normalize_paykilla_text(value)
fallback_text = _normalize_paykilla_text(fallback) or "Payment"
text = re.sub(r"\s+", " ", text).strip()
if not text:
text = fallback_text
return text[:max_length].strip() or fallback_text[:max_length].strip() or "Payment"
def _invoice_text(title: Any, payment_db_id: int) -> str:
project_title = _clean_paykilla_text(title, fallback="Minishop")
return _clean_paykilla_text(
f"{project_title} payment {payment_db_id}",
fallback=f"Payment {payment_db_id}",
)
def _payment_currencies(config: PaykillaConfig) -> List[str]:
currencies = list(parse_supported_currency_codes(config.PAYMENT_CURRENCIES))
return currencies or ["USDTTRC"]
def _invoice_type_for(config: PaykillaConfig, currency: str) -> str:
explicit = (config.INVOICE_TYPE or "").strip().upper()
if explicit in {"FIAT_BASED", "FIXED_AMOUNT", "OPEN_AMOUNT"}:
return explicit
return "FIAT_BASED" if currency in _FIAT_CURRENCIES else "FIXED_AMOUNT"
def _sign_query(timestamp_ms: int, recv_window_ms: int, secret_key: str) -> Tuple[str, str]:
query = urlencode(
[
("timestamp", str(timestamp_ms)),
("recvWindow", str(recv_window_ms)),
]
)
signature = hmac.new(secret_key.encode("utf-8"), query.encode("utf-8"), hashlib.sha256)
return query, signature.hexdigest()
def _webhook_signature(
*,
timestamp: str,
method: str,
url: str,
raw_body: bytes,
secret_key: str,
) -> str:
message = f"{timestamp}{method.upper()}{url}".encode("utf-8") + raw_body
return hmac.new(secret_key.encode("utf-8"), message, hashlib.sha256).hexdigest()
def _signature_preview(signature: str) -> str:
signature = str(signature or "")
if len(signature) <= 12:
return signature
return f"{signature[:6]}...{signature[-6:]}"
def _response_invoice_data(response_data: Dict[str, Any]) -> Dict[str, Any]:
data = response_data.get("data") if isinstance(response_data, dict) else None
if isinstance(data, dict) and data.get("id"):
return data
return response_data if isinstance(response_data, dict) else {}
def _debug_invoice_body(body: Dict[str, Any]) -> str:
return json.dumps(body, ensure_ascii=True, sort_keys=True)
class PaykillaService(HttpClientMixin):
def __init__(
self,
*,
bot: Bot,
settings: Settings,
config: PaykillaConfig,
i18n: JsonI18n,
async_session_factory: sessionmaker,
subscription_service: SubscriptionService,
referral_service: ReferralService,
default_return_url: str,
):
self.bot = bot
self.settings = settings
self.config = config
self.i18n = i18n
self.async_session_factory = async_session_factory
self.subscription_service = subscription_service
self.referral_service = referral_service
self._default_return_url = default_return_url
self._init_http_client(total_timeout=20)
if not self.configured:
logging.warning(
"PaykillaService initialized but not fully configured. Payments disabled."
)
@property
def configured(self) -> bool:
return bool(provider_runtime_enabled(self.config) and self.api_key and self.secret_key)
@property
def base_url(self) -> str:
return (self.config.BASE_URL or "https://account-api.paykilla.com").rstrip("/")
@property
def widget_url(self) -> str:
return (self.config.WIDGET_URL or "https://gopay.paykilla.com").rstrip("/")
@property
def api_key(self) -> str:
return (self.config.API_KEY or "").strip()
@property
def secret_key(self) -> str:
return (self.config.SECRET_KEY or "").strip()
@property
def currency(self) -> str:
return (self.config.CURRENCY or "RUB").upper()
@property
def verify_webhook_signature(self) -> bool:
return self.config.VERIFY_WEBHOOK_SIGNATURE
def _signed_invoice_url(self) -> str:
timestamp_ms = int(time.time() * 1000)
recv_window_ms = int(self.config.RECV_WINDOW_MS)
query, signature = _sign_query(timestamp_ms, recv_window_ms, self.secret_key)
return f"{self.base_url}/api/v2/invoice?{query}&signature={signature}"
def _invoice_body(
self,
*,
payment_db_id: int,
amount: float,
currency: Optional[str],
description: str,
) -> Dict[str, Any]:
currency_code = normalize_payment_currency_code(currency or self.currency)
invoice_text = _invoice_text(getattr(self.settings, "WEBAPP_TITLE", None), payment_db_id)
body: Dict[str, Any] = {
"type": _invoice_type_for(self.config, currency_code),
"purpose": invoice_text,
"currency": currency_code,
"totalPrice": str(format_decimal_amount(amount)),
"paymentCurrencies": _payment_currencies(self.config),
"clientOrderId": str(payment_db_id),
"userPaysServiceFee": bool(self.config.USER_PAYS_SERVICE_FEE),
"userPaysNetworkFee": bool(self.config.USER_PAYS_NETWORK_FEE),
"description": invoice_text,
}
if self.config.LIFETIME_SECONDS:
expires_at = datetime.now(timezone.utc) + timedelta(
seconds=int(self.config.LIFETIME_SECONDS)
)
body["expiredAt"] = expires_at.isoformat().replace("+00:00", "Z")
return body
async def create_payment_link(
self,
*,
payment_db_id: int,
amount: float,
currency: Optional[str],
description: str,
url_callback: Optional[str] = None,
) -> Tuple[bool, Dict[str, Any]]:
if not self.configured:
logging.error("PaykillaService is not configured. Cannot create payment link.")
return False, {"message": "service_not_configured"}
currency_code = normalize_payment_currency_code(currency or self.currency)
supported = parse_supported_currency_codes(self.config.SUPPORTED_CURRENCIES)
if supported and currency_code not in supported:
return False, {
"message": "unsupported_currency",
"currency": currency_code,
"supported_currencies": list(supported),
}
body = self._invoice_body(
payment_db_id=payment_db_id,
amount=amount,
currency=currency_code,
description=description,
)
headers = {
"X-API-KEY": self.api_key,
"Content-Type": "application/json",
}
session = await self._get_session()
try:
async with session.post(
self._signed_invoice_url(),
json=body,
headers=headers,
) as response:
response_text = await response.text()
try:
response_data = json.loads(response_text) if response_text else {}
except json.JSONDecodeError:
logging.error("Paykilla create_payment_link: invalid JSON: %s", response_text)
return False, {
"status": response.status,
"message": "invalid_json",
"raw": response_text,
}
invoice = _response_invoice_data(response_data)
invoice_id = first_value(invoice, "id")
if response.status not in {200, 201} or not invoice_id:
logging.error(
"Paykilla create_payment_link: API error "
"(status=%s, body=%s, request_body=%s)",
response.status,
response_data,
_debug_invoice_body(body),
)
return False, {"status": response.status, "message": response_data}
invoice["payment_url"] = f"{self.widget_url}/{invoice_id}"
return True, invoice
except Exception as exc:
logging.exception("Paykilla create_payment_link: request failed.")
return False, {"message": str(exc)}
def _webhook_url_for_request(self, request: web.Request) -> Optional[str]:
configured = self.config.full_webhook_url(getattr(self.settings, "WEBHOOK_BASE_URL", None))
if configured:
return configured
try:
return f"{request.scheme}://{request.host}{request.path_qs}"
except Exception:
return None
def _verify_webhook_signature(self, request: web.Request, raw_body: bytes) -> bool:
timestamp = str(request.headers.get("X-API-TIMESTAMP") or "").strip()
signature = str(request.headers.get("X-API-SIGN") or "").strip().lower()
recv_window_raw = str(request.headers.get("X-API-RECV-WINDOW") or "5000").strip()
api_key = str(request.headers.get("X-API-KEY") or "").strip()
if not timestamp or not signature:
return False
if api_key and not hmac.compare_digest(api_key, self.api_key):
logging.warning("Paykilla webhook: X-API-KEY does not match configured API key.")
return False
try:
timestamp_ms = int(timestamp)
recv_window_ms = int(recv_window_raw)
except ValueError:
return False
now_ms = int(time.time() * 1000)
if abs(now_ms - timestamp_ms) > max(recv_window_ms, 1000):
logging.warning(
"Paykilla webhook: timestamp outside recv window "
"(timestamp=%s now=%s recvWindow=%s).",
timestamp_ms,
now_ms,
recv_window_ms,
)
return False
webhook_url = self._webhook_url_for_request(request)
if not webhook_url:
logging.warning("Paykilla webhook: cannot resolve webhook URL for signature.")
return False
expected = _webhook_signature(
timestamp=timestamp,
method=request.method or "POST",
url=webhook_url,
raw_body=raw_body,
secret_key=self.secret_key,
)
if hmac.compare_digest(expected, signature):
return True
logging.warning(
"Paykilla webhook: invalid signature (received=%s expected=%s url=%s).",
_signature_preview(signature),
_signature_preview(expected),
webhook_url,
)
return False
async def webhook_route(self, request: web.Request) -> web.Response:
if not self.configured:
return web.Response(status=503, text="paykilla_disabled")
client_ip = request_client_ip(request, trusted_proxies=self.settings.trusted_proxies)
trusted = self.config.trusted_ips_list
if trusted and not ip_in_allowlist(client_ip, trusted):
logging.warning(
"Paykilla webhook denied from unauthorized IP source "
"(client_ip=%s remote=%s x_forwarded_for=%s trusted_ips=%s trusted_proxies=%s).",
client_ip,
request.remote,
request.headers.get("X-Forwarded-For"),
trusted,
self.settings.trusted_proxies,
)
return web.Response(status=403, text="forbidden")
raw_body = await request.read()
if self.verify_webhook_signature and not self._verify_webhook_signature(
request,
raw_body,
):
return web.Response(status=403, text="invalid_signature")
try:
payload = json.loads(raw_body.decode("utf-8"))
except Exception:
logging.exception("Paykilla webhook: failed to parse JSON.")
return web.Response(status=400, text="bad_request")
if not isinstance(payload, dict):
return web.Response(status=400, text="bad_request")
event_type = str(payload.get("eventType") or "").strip().upper()
data = payload.get("data")
if not event_type or not isinstance(data, dict):
logging.error("Paykilla webhook: missing event envelope fields: %s", payload)
return web.Response(status=400, text="missing_fields")
if event_type not in _SUCCESS_EVENTS and event_type not in _FAILED_EVENTS:
logging.info("Paykilla webhook: intermediate event '%s' ignored.", event_type)
return web.Response(text="status_ignored")
data_type = str(data.get("type") or "").strip().upper()
if data_type and data_type != "INVOICE":
logging.info(
"Paykilla webhook: non-invoice event '%s' ignored (type=%s).",
event_type,
data_type,
)
return web.Response(text="status_ignored")
invoice_id = str(data.get("id") or "").strip()
client_order_id = data.get("clientOrderId")
amount_raw = data.get("amount") or data.get("expectedAmount")
currency = data.get("currency") or self.currency
if not (invoice_id or client_order_id):
logging.error("Paykilla webhook: missing invoice ids: %s", payload)
return web.Response(status=400, text="missing_fields")
async with self.async_session_factory() as session:
payment = await lookup_payment_by_order_or_provider_id(
session,
order_id_raw=client_order_id,
provider_payment_id=invoice_id or None,
)
if not payment:
logging.error(
"Paykilla webhook: payment not found (clientOrderId=%s, invoice_id=%s)",
client_order_id,
invoice_id,
)
return web.Response(status=404, text="payment_not_found")
if payment.status == "succeeded" and event_type in _SUCCESS_EVENTS:
return web.Response(text="ok")
resolved_id = invoice_id or str(payment.payment_id)
if event_type in _SUCCESS_EVENTS:
if amount_raw is not None:
try:
if not decimal_amounts_equal(amount_raw, payment.amount):
logging.warning(
"Paykilla webhook: amount mismatch for payment %s "
"(expected %s, got %s)",
payment.payment_id,
format_decimal_amount(payment.amount),
format_decimal_amount(amount_raw),
)
except Exception as exc:
logging.warning(
"Paykilla webhook: failed to compare amounts for %s: %s",
payment.payment_id,
exc,
)
try:
await payment_dal.update_provider_payment_and_status(
session,
payment.payment_id,
resolved_id,
"succeeded",
)
await session.commit()
except Exception:
await session.rollback()
logging.exception(
"Paykilla webhook: failed to mark payment %s as succeeded.",
resolved_id,
)
return web.Response(status=500, text="processing_error")
sale_mode = payment.sale_mode or (
"traffic" if self.settings.traffic_sale_mode else "subscription"
)
payment_units = payment_units_for_activation(payment, sale_mode)
outcome = await finalize_successful_payment(
PaymentSuccessRequest(
bot=self.bot,
settings=self.settings,
i18n=self.i18n,
session=session,
subscription_service=self.subscription_service,
referral_service=self.referral_service,
payment=payment,
user_id=payment.user_id,
amount=float(payment.amount),
currency=str(currency),
sale_mode=sale_mode,
months=payment_units,
traffic_amount=float(payment_units),
provider_subscription="paykilla",
provider_notification="paykilla",
db_user=payment.user,
log_prefix="Paykilla webhook",
)
)
if outcome is None:
return web.Response(status=500, text="processing_error")
return web.Response(text="ok")
if event_type in _FAILED_EVENTS:
try:
await payment_dal.update_provider_payment_and_status(
session,
payment.payment_id,
resolved_id,
"failed",
)
await session.commit()
except Exception:
await session.rollback()
logging.exception(
"Paykilla webhook: failed to mark payment %s as failed.",
resolved_id,
)
return web.Response(status=500, text="processing_error")
await notify_user_payment_failed(
bot=self.bot,
settings=self.settings,
i18n=self.i18n,
session=session,
payment=payment,
)
return web.Response(text="ok")
@router.callback_query(F.data.startswith("pay_paykilla:"))
async def pay_paykilla_callback_handler(
callback: types.CallbackQuery,
settings: Settings,
i18n_data: dict,
paykilla_service: PaykillaService,
session: AsyncSession,
):
current_lang = i18n_data.get("current_language", settings.DEFAULT_LANGUAGE)
i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
translator = make_translator(i18n, current_lang)
if not i18n or not callback.message:
await notify_callback_parse_error(callback, translator)
return
if not SPEC.is_available_to_user(
settings,
user_id=callback.from_user.id,
require_configured=False,
):
await notify_service_unavailable(callback, translator)
return
if not paykilla_service or not paykilla_service.configured:
logging.error("Paykilla service is not configured or unavailable.")
await notify_service_unavailable(callback, translator)
return
parts = parse_payment_callback(callback.data or "")
if not parts:
logging.error("Invalid pay_paykilla data in callback: %s", callback.data)
await notify_callback_parse_error(callback, translator)
return
parts, hwid_quote = await quote_hwid_callback_parts(
session=session,
user_id=callback.from_user.id,
parts=parts,
subscription_service=paykilla_service.subscription_service,
currency=default_currency_key_for_settings(settings),
)
if not parts:
await notify_callback_parse_error(callback, translator)
return
currency_code = default_payment_currency_code_for_settings(settings)
payment_description = describe_payment(translator, parts)
record_payload = build_payment_record_payload(
user_id=callback.from_user.id,
amount=parts.price,
currency=currency_code,
status="pending_paykilla",
description=payment_description,
months=parts.months,
provider="paykilla",
sale_mode=parts.sale_mode,
hwid_quote=hwid_quote,
)
try:
payment_record = await payment_dal.create_payment_record(session, record_payload)
await session.commit()
except Exception:
await session.rollback()
logging.exception(
"Paykilla: failed to create payment record for user %s.", callback.from_user.id
)
await notify_payment_record_failure(callback, translator)
return
success, response_data = await paykilla_service.create_payment_link(
payment_db_id=payment_record.payment_id,
amount=parts.price,
currency=currency_code,
description=payment_description,
url_callback=paykilla_service.config.full_webhook_url(settings.WEBHOOK_BASE_URL),
)
await render_link_or_fail(
callback,
translator=translator,
current_lang=current_lang,
i18n=i18n,
parts=parts,
session=session,
payment=payment_record,
api_success=success,
payment_url=first_value(response_data, "payment_url"),
provider_payment_id=first_value(response_data, "id"),
log_prefix=_LOG,
)
async def create_webapp_payment(ctx: WebAppPaymentContext) -> web.Response:
settings: Settings = ctx.request.app["settings"]
service: PaykillaService = ctx.request.app["paykilla_service"]
if not service or not service.configured:
return payment_unavailable()
currency = ctx.currency or default_payment_currency_code_for_settings(settings)
try:
payment = await create_webapp_payment_record(
ctx,
amount=ctx.price,
currency=currency,
status="pending_paykilla",
provider="paykilla",
)
success, response_data = await service.create_payment_link(
payment_db_id=payment.payment_id,
amount=ctx.price,
currency=currency,
description=ctx.description,
url_callback=service.config.full_webhook_url(settings.WEBHOOK_BASE_URL),
)
except Exception:
await ctx.session.rollback()
logging.exception("Paykilla WebApp payment failed")
return payment_failed()
return await finalize_webapp_link_payment(
session=ctx.session,
payment=payment,
api_success=success,
payment_url=first_value(response_data, "payment_url") if success else None,
provider_payment_id=first_value(response_data, "id"),
log_prefix="Paykilla",
)
async def paykilla_webhook_route(request: web.Request) -> web.Response:
service: PaykillaService = request.app["paykilla_service"]
return await service.webhook_route(request)
def create_service(ctx: ServiceFactoryContext) -> PaykillaService:
bundle = ctx.config_for("paykilla_service")
config = (
bundle.config if bundle and isinstance(bundle.config, PaykillaConfig) else PaykillaConfig()
)
return PaykillaService(
bot=ctx.bot,
settings=ctx.settings,
config=config,
i18n=ctx.i18n,
async_session_factory=ctx.async_session_factory,
subscription_service=ctx.subscription_service,
referral_service=ctx.referral_service,
default_return_url=ctx.bot_username_for_default_return,
)
_PRESENTATION_MANIFEST = tuple(
ProviderManifestField(
key=key,
type=type_,
label=label,
description=description,
placeholder=placeholder,
subsection="PayKilla",
target="presentation",
attr=attr,
)
for key, type_, label, description, placeholder, attr in (
(
"PAYMENT_PAYKILLA_WEBAPP_LABEL_RU",
"string",
"WebApp button text (RU)",
"Custom Russian text shown in the Web App payment method button.",
"",
"WEBAPP_LABEL_RU",
),
(
"PAYMENT_PAYKILLA_WEBAPP_LABEL_EN",
"string",
"WebApp button text (EN)",
"Custom English text shown in the Web App payment method button.",
"",
"WEBAPP_LABEL_EN",
),
(
"PAYMENT_PAYKILLA_WEBAPP_ICON",
"icon",
"WebApp button icon",
"Lucide icon name rendered inside the Web App payment method button.",
"Bitcoin",
"WEBAPP_ICON",
),
(
"PAYMENT_PAYKILLA_TELEGRAM_LABEL_RU",
"string",
"Telegram button text (RU)",
"Custom Russian text shown in Telegram bot payment buttons.",
"",
"TELEGRAM_LABEL_RU",
),
(
"PAYMENT_PAYKILLA_TELEGRAM_LABEL_EN",
"string",
"Telegram button text (EN)",
"Custom English text shown in Telegram bot payment buttons.",
"",
"TELEGRAM_LABEL_EN",
),
(
"PAYMENT_PAYKILLA_TELEGRAM_EMOJI",
"string",
"Telegram button emoji",
"Emoji prepended to the Telegram bot payment button when customized.",
"",
"TELEGRAM_EMOJI",
),
)
)
_CONFIG_MANIFEST = (
ProviderManifestField(
"PAYKILLA_ENABLED", "bool", "Enabled", subsection="PayKilla", attr="ENABLED"
),
ProviderManifestField(
"PAYKILLA_API_KEY",
"string",
"API key",
description="PayKilla public HMAC key with INVOICE permission.",
subsection="PayKilla",
secret=True,
attr="API_KEY",
),
ProviderManifestField(
"PAYKILLA_SECRET_KEY",
"string",
"Secret key",
description="PayKilla HMAC secret key. Never expose it client-side.",
subsection="PayKilla",
secret=True,
attr="SECRET_KEY",
),
ProviderManifestField(
"PAYKILLA_BASE_URL",
"url",
"Base URL",
placeholder="https://account-api.paykilla.com",
subsection="PayKilla",
attr="BASE_URL",
),
ProviderManifestField(
"PAYKILLA_WIDGET_URL",
"url",
"Widget URL",
placeholder="https://gopay.paykilla.com",
subsection="PayKilla",
attr="WIDGET_URL",
),
ProviderManifestField(
"PAYKILLA_CURRENCY",
"string",
"Invoice currency",
description=(
"Fiat or crypto invoice currency. FIAT_BASED is selected for RUB/USD/EUR/AED/GBP."
),
placeholder="RUB",
subsection="PayKilla",
attr="CURRENCY",
),
ProviderManifestField(
"PAYKILLA_SUPPORTED_CURRENCIES",
"string",
"Supported invoice currencies",
description="Comma-separated invoice currencies allowed for PayKilla in this shop.",
placeholder=PAYKILLA_DEFAULT_SUPPORTED_CURRENCIES,
subsection="PayKilla",
attr="SUPPORTED_CURRENCIES",
),
ProviderManifestField(
"PAYKILLA_PAYMENT_CURRENCIES",
"string",
"Accepted crypto tickers",
description=(
"Comma-separated PayKilla tickers sent as paymentCurrencies, e.g. USDTTRC,BTC,ETH."
),
placeholder=PAYKILLA_DEFAULT_PAYMENT_CURRENCIES,
subsection="PayKilla",
attr="PAYMENT_CURRENCIES",
),
ProviderManifestField(
"PAYKILLA_INVOICE_TYPE",
"string",
"Invoice type",
description="Optional override: FIAT_BASED, FIXED_AMOUNT, or OPEN_AMOUNT.",
subsection="PayKilla",
attr="INVOICE_TYPE",
choices=(
("", "Auto"),
("FIAT_BASED", "FIAT_BASED"),
("FIXED_AMOUNT", "FIXED_AMOUNT"),
("OPEN_AMOUNT", "OPEN_AMOUNT"),
),
),
ProviderManifestField(
"PAYKILLA_LIFETIME_SECONDS",
"int",
"Invoice lifetime (seconds)",
description="Used to send expiredAt to PayKilla.",
subsection="PayKilla",
min=300,
max=2_592_000,
attr="LIFETIME_SECONDS",
),
ProviderManifestField(
"PAYKILLA_RECV_WINDOW_MS",
"int",
"Request recvWindow (ms)",
description="Validity window for signed PayKilla API requests.",
subsection="PayKilla",
min=1000,
max=60_000,
attr="RECV_WINDOW_MS",
),
ProviderManifestField(
"PAYKILLA_USER_PAYS_SERVICE_FEE",
"bool",
"User pays service fee",
subsection="PayKilla",
attr="USER_PAYS_SERVICE_FEE",
),
ProviderManifestField(
"PAYKILLA_USER_PAYS_NETWORK_FEE",
"bool",
"User pays network fee",
subsection="PayKilla",
attr="USER_PAYS_NETWORK_FEE",
),
ProviderManifestField(
"PAYKILLA_VERIFY_WEBHOOK_SIGNATURE",
"bool",
"Verify webhook signature",
subsection="PayKilla",
attr="VERIFY_WEBHOOK_SIGNATURE",
),
ProviderManifestField(
"PAYKILLA_WEBHOOK_URL",
"url",
"Exact webhook URL",
description=(
"Optional override for signature verification. Leave empty to use "
"WEBHOOK_BASE_URL + /webhook/paykilla."
),
subsection="PayKilla",
attr="WEBHOOK_URL",
),
ProviderManifestField(
"PAYKILLA_TRUSTED_IPS",
"string",
"Trusted IPs",
description="Optional comma-separated IP addresses accepted for PayKilla webhooks.",
subsection="PayKilla",
attr="TRUSTED_IPS",
),
)
SPEC = PaymentProviderSpec(
id="paykilla",
provider_key="paykilla",
label="PayKilla",
webapp_label="PayKilla",
webapp_labels={"ru": "PayKilla", "en": "PayKilla"},
webapp_icon="Bitcoin",
telegram_labels={"ru": "PayKilla", "en": "PayKilla"},
telegram_emoji="",
pending_status="pending_paykilla",
enabled=lambda config: bool(getattr(config, "ENABLED", False)),
service_key="paykilla_service",
callback_prefix="pay_paykilla",
router=router,
create_service=create_service,
webhook_path=lambda source: "/webhook/paykilla",
webhook_route=paykilla_webhook_route,
create_webapp_payment=create_webapp_payment,
emoji="",
config_class=PaykillaConfig,
presentation_class=PaykillaPresentation,
manifest_fields=_CONFIG_MANIFEST + _PRESENTATION_MANIFEST,
supported_currencies_resolver=lambda config: getattr(
config, "SUPPORTED_CURRENCIES", PAYKILLA_DEFAULT_SUPPORTED_CURRENCIES
),
currency_support_note=(
"PayKilla invoice currency and paymentCurrencies availability can depend on "
"merchant account settings."
),
currency_support_url="https://paykilla.gitbook.io/paykilla-docs/api-integration/supported-currencies",
)