austnv/remnawave-minishop
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feat(payments): add LAVA Business payment provider

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Add a new provider module for LAVA Business (api.lava.ru):

- invoice creation via POST /business/invoice/create signed with
  HMAC-SHA256 over the raw request body in the Signature header
- webhook handling with Authorization-header signature verification
  that accepts both raw-body and sorted-keys JSON canonicalizations
  (legacy PHP SDK shops sign the latter), plus amount cross-check
  before finalizing a successful payment
- pending invoice reuse through /business/invoice/status
- Telegram pay_lava callback flow and Web App payment creation
- admin settings manifest fields, presentation overrides, and
  RUB-only currency support declared on the provider SPEC

Register the SPEC in the provider registry and wire the provider into
the payment method order, success-email labels, and locale override
prefixes.
This commit is contained in:
3252a8
2026-06-10 23:32:09 +03:00
parent 1d43606446
commit bb844869ee
6 changed files with 895 additions and 3 deletions
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backend/bot/app/web/admin_settings_manifest.py
+1 -1
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@@ -379,7 +379,7 @@ SETTINGS_MANIFEST: List[SettingField] = [
"string",
"payments",
"Порядок методов оплаты",
"Через запятую: severpay,freekassa,yookassa,platega,stars,cryptopay,heleket,paykilla",
"Через запятую: severpay,freekassa,yookassa,platega,stars,cryptopay,heleket,paykilla,lava",
subsection="common",
),
# ─── Trial ─────────────────────────────────────────────────────