text: import pytest
  import secrets
  from lnbits.core.crud import get_wallet
  from lnbits.settings import HOST, PORT
  from lnbits.extensions.bleskomat.crud import get_bleskomat_lnurl
  from lnbits.extensions.bleskomat.helpers import generate_bleskomat_lnurl_signature, query_to_signing_payload
  from tests.conftest import client
  from tests.helpers import credit_wallet
  from tests.extensions.bleskomat.conftest import bleskomat, lnurl
  from tests.mocks import WALLET
  
  
  @pytest.mark.asyncio
  async def test_bleskomat_lnurl_api_missing_secret(client):
      response = await client.get("/bleskomat/u")
      assert response.status_code == 200
      assert response.json() == {"status": "ERROR", "reason": "Missing secret"}
  
  
  @pytest.mark.asyncio
  async def test_bleskomat_lnurl_api_invalid_secret(client):
      response = await client.get("/bleskomat/u?k1=invalid-secret")
      assert response.status_code == 200
      assert response.json() == {"status": "ERROR", "reason": "Invalid secret"}
  
  
  @pytest.mark.asyncio
  async def test_bleskomat_lnurl_api_unknown_api_key(client):
      query = {
          "id": "does-not-exist",
          "nonce": secrets.token_hex(10),
          "tag": "withdrawRequest",
          "minWithdrawable": "1",
          "maxWithdrawable": "1",
          "defaultDescription": "",
          "f": "EUR",
      }
      payload = query_to_signing_payload(query)
      signature = "xxx"  # not checked, so doesn't matter
      response = await client.get(f"/bleskomat/u?{payload}&signature={signature}")
      assert response.status_code == 200
      assert response.json() == {"status": "ERROR", "reason": "Unknown API key"}
  
  
  @pytest.mark.asyncio
  async def test_bleskomat_lnurl_api_invalid_signature(client, bleskomat):
      query = {
          "id": bleskomat.api_key_id,
          "nonce": secrets.token_hex(10),
          "tag": "withdrawRequest",
          "minWithdrawable": "1",
          "maxWithdrawable": "1",
          "defaultDescription": "",
          "f": "EUR",
      }
      payload = query_to_signing_payload(query)
      signature = "invalid"
      response = await client.get(f"/bleskomat/u?{payload}&signature={signature}")
      assert response.status_code == 200
      assert response.json() == {"status": "ERROR", "reason": "Invalid API key signature"}
  
  
  @pytest.mark.asyncio
  async def test_bleskomat_lnurl_api_valid_signature(client, bleskomat):
      query = {
          "id": bleskomat.api_key_id,
          "nonce": secrets.token_hex(10),
          "tag": "withdrawRequest",
          "minWithdrawable": "1",
          "maxWithdrawable": "1",
          "defaultDescription": "test valid sig",
          "f": "EUR",  # tests use the dummy exchange rate provider
      }
      payload = query_to_signing_payload(query)
      signature = generate_bleskomat_lnurl_signature(
          payload=payload, api_key_secret=bleskomat.api_key_secret, api_key_encoding=bleskomat.api_key_encoding
      )
      response = await client.get(f"/bleskomat/u?{payload}&signature={signature}")
      assert response.status_code == 200
      data = response.json()
      assert data["tag"] == "withdrawRequest"
      assert data["minWithdrawable"] == 1000
      assert data["maxWithdrawable"] == 1000
      assert data["defaultDescription"] == "test valid sig"
      assert data["callback"] == f"http://{HOST}:{PORT}/bleskomat/u"
      k1 = data["k1"]
      lnurl = await get_bleskomat_lnurl(secret=k1)
      assert lnurl
  
  
  @pytest.mark.asyncio
  async def test_bleskomat_lnurl_api_action_insufficient_balance(client, lnurl):
      bleskomat = lnurl["bleskomat"]
      secret = lnurl["secret"]
      pr = "lntb500n1pseq44upp5xqd38rgad72lnlh4gl339njlrsl3ykep82j6gj4g02dkule7k54qdqqcqzpgxqyz5vqsp5h0zgewuxdxcl2rnlumh6g520t4fr05rgudakpxm789xgjekha75s9qyyssq5vhwsy9knhfeqg0wn6hcnppwmum8fs3g3jxkgw45havgfl6evchjsz3s8e8kr6eyacz02szdhs7v5lg0m7wehd5rpf6yg8480cddjlqpae52xu"
      WALLET.pay_invoice.reset_mock()
      response = await client.get(f"/bleskomat/u?k1={secret}&pr={pr}")
      assert response.status_code == 200
      assert response.json()["status"] == "ERROR"
      assert ("Insufficient balance" in response.json()["reason"]) or ("fee" in response.json()["reason"])
      wallet = await get_wallet(bleskomat.wallet)
      assert wallet.balance_msat == 0
      bleskomat_lnurl = await get_bleskomat_lnurl(secret)
      assert bleskomat_lnurl.has_uses_remaining() == True
      WALLET.pay_invoice.assert_not_called()
  
  
  @pytest.mark.asyncio
  async def test_bleskomat_lnurl_api_action_success(client, lnurl):
      bleskomat = lnurl["bleskomat"]
      secret = lnurl["secret"]
      pr = "lntb500n1pseq44upp5xqd38rgad72lnlh4gl339njlrsl3ykep82j6gj4g02dkule7k54qdqqcqzpgxqyz5vqsp5h0zgewuxdxcl2rnlumh6g520t4fr05rgudakpxm789xgjekha75s9qyyssq5vhwsy9knhfeqg0wn6hcnppwmum8fs3g3jxkgw45havgfl6evchjsz3s8e8kr6eyacz02szdhs7v5lg0m7wehd5rpf6yg8480cddjlqpae52xu"
      await credit_wallet(
          wallet_id=bleskomat.wallet,
          amount=100000,
      )
      wallet = await get_wallet(bleskomat.wallet)
      assert wallet.balance_msat == 100000
      WALLET.pay_invoice.reset_mock()
      response = await client.get(f"/bleskomat/u?k1={secret}&pr={pr}")
      assert response.json() == {"status": "OK"}
      wallet = await get_wallet(bleskomat.wallet)
      assert wallet.balance_msat == 50000
      bleskomat_lnurl = await get_bleskomat_lnurl(secret)
      assert bleskomat_lnurl.has_uses_remaining() == False
      WALLET.pay_invoice.assert_called_once_with(pr)
  