From ff0f12d0d221cf1800666dbf52bb9cf9fc097f0c Mon Sep 17 00:00:00 2001
From: callebtc <93376500+callebtc@users.noreply.github.com>
Date: Sun, 15 Oct 2023 17:35:58 +0200
Subject: [PATCH] stricter type checking

---
 Makefile               | 2 +-
 cashu/core/legacy.py   | 6 +++---
 cashu/mint/ledger.py   | 3 ++-
 cashu/wallet/wallet.py | 2 +-
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 6c63bf01..92596a45 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ black-check:
 	poetry run black . --check
 
 mypy:
-	poetry run mypy cashu --ignore-missing
+	poetry run mypy cashu --ignore-missing --check-untyped-defs
 
 format: black ruff
 
diff --git a/cashu/core/legacy.py b/cashu/core/legacy.py
index 9fc64b27..60535618 100644
--- a/cashu/core/legacy.py
+++ b/cashu/core/legacy.py
@@ -18,9 +18,9 @@ def hash_to_point_pre_0_3_3(secret_msg):
         _hash = hashlib.sha256(msg).hexdigest().encode("utf-8")  # type: ignore
         try:
             # We construct compressed pub which has x coordinate encoded with even y
-            _hash = list(_hash[:33])  # take the 33 bytes and get a list of bytes
-            _hash[0] = 0x02  # set first byte to represent even y coord
-            _hash = bytes(_hash)
+            _hash_list = list(_hash[:33])  # take the 33 bytes and get a list of bytes
+            _hash_list[0] = 0x02  # set first byte to represent even y coord
+            _hash = bytes(_hash_list)
             point = PublicKey(_hash, raw=True)
         except Exception:
             msg = _hash
diff --git a/cashu/mint/ledger.py b/cashu/mint/ledger.py
index 90946986..22d1e779 100644
--- a/cashu/mint/ledger.py
+++ b/cashu/mint/ledger.py
@@ -537,10 +537,11 @@ async def get_melt_fees(self, pr: str) -> int:
         """
         # hack: check if it's internal, if it exists, it will return paid = False,
         # if id does not exist (not internal), it returns paid = None
+        amount_msat = 0
         if settings.lightning:
             decoded_invoice = bolt11.decode(pr)
             assert decoded_invoice.amount_msat, "Amountless invoices not supported."
-            amount_msat = decoded_invoice.amount_msat
+            amount_msat = int(decoded_invoice.amount_msat)
             logger.trace(
                 "get_melt_fees: checking lightning invoice:"
                 f" {decoded_invoice.payment_hash}"
diff --git a/cashu/wallet/wallet.py b/cashu/wallet/wallet.py
index a2c21dc4..50a58eb3 100644
--- a/cashu/wallet/wallet.py
+++ b/cashu/wallet/wallet.py
@@ -92,7 +92,7 @@ async def wrapper(self, *args, **kwargs):
 
         self.httpx = httpx.AsyncClient(
             verify=not settings.debug,
-            proxies=proxies_dict,
+            proxies=proxies_dict,  # type: ignore
             headers=headers_dict,
             base_url=self.url,
         )