diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..c64e6e9
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,8 @@
+[flake8]
+max-line-length = 150
+exclude = cashu/nostr, cashu/core/bolt11.py
+ignore =
+    # E203 whitespace before ':' black does not like it
+    E203,
+    # W503: line break before binary operator
+    W503,
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 93b93eb..8ba2d5c 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -49,3 +49,5 @@ jobs:
         run: yes | poetry run mypy cashu --install-types || true
       - name: Run mypy
         run: poetry run mypy cashu --ignore-missing
+      - name: Run flake8
+        run: poetry run flake8
diff --git a/.gitignore b/.gitignore
index d3b671d..c894509 100644
--- a/.gitignore
+++ b/.gitignore
@@ -133,3 +133,6 @@ tor.pid
 
 # Default data directory
 /data
+
+# MacOS
+.DS_Store
diff --git a/Makefile b/Makefile
index 268d022..4ce7342 100644
--- a/Makefile
+++ b/Makefile
@@ -8,16 +8,18 @@ black:
 	poetry run black . --exclude cashu/nostr
 
 black-check:
-	poetry run black --check . --exclude cashu/nostr
-
-format:
-	make isort
-	make black
-	make mypy
+	poetry run black . --exclude cashu/nostr --check
 
 mypy:
 	poetry run mypy cashu --ignore-missing
 
+flake8:
+	poetry run flake8
+
+format: isort black
+
+check: mypy flake8 isort-check black-check
+
 clean:
 	rm -r cashu.egg-info/ || true
 	find . -name ".DS_Store" -exec rm -f {} \; || true
diff --git a/cashu/core/base.py b/cashu/core/base.py
index 598836a..3860e62 100644
--- a/cashu/core/base.py
+++ b/cashu/core/base.py
@@ -10,7 +10,8 @@ from pydantic import BaseModel
 from .crypto.keys import derive_keys, derive_keyset_id, derive_pubkeys
 from .crypto.secp import PrivateKey, PublicKey
 from .legacy import derive_keys_backwards_compatible_insecure_pre_0_12
-from .p2pk import sign_p2pk_sign
+
+# from .p2pk import sign_p2pk_sign
 
 # ------- PROOFS -------
 
diff --git a/cashu/core/crypto/b_dhke.py b/cashu/core/crypto/b_dhke.py
index 741bdd9..bac6355 100644
--- a/cashu/core/crypto/b_dhke.py
+++ b/cashu/core/crypto/b_dhke.py
@@ -45,7 +45,7 @@ def hash_to_curve(message: bytes) -> PublicKey:
         _hash = hashlib.sha256(msg_to_hash).digest()
         try:
             point = PublicKey(b"\x02" + _hash, raw=True)
-        except:
+        except Exception:
             msg_to_hash = _hash
     return point
 
@@ -74,7 +74,7 @@ def verify(a: PrivateKey, C: PublicKey, secret_msg: str) -> bool:
     return C == Y.mult(a)  # type: ignore
 
 
-### Below is a test of a simple positive and negative case
+# Below is a test of a simple positive and negative case
 
 # # Alice's keys
 # a = PrivateKey()
diff --git a/cashu/core/crypto/keys.py b/cashu/core/crypto/keys.py
index 2172856..9993a91 100644
--- a/cashu/core/crypto/keys.py
+++ b/cashu/core/crypto/keys.py
@@ -1,7 +1,7 @@
 import base64
 import hashlib
 import random
-from typing import Dict, List
+from typing import Dict
 
 from ..settings import settings
 from .secp import PrivateKey, PublicKey
diff --git a/cashu/core/db.py b/cashu/core/db.py
index 87e298b..0af326a 100644
--- a/cashu/core/db.py
+++ b/cashu/core/db.py
@@ -102,7 +102,7 @@ class Database(Compat):
 
             def _parse_timestamp(value, _):
                 f = "%Y-%m-%d %H:%M:%S.%f"
-                if not "." in value:
+                if "." not in value:
                     f = "%Y-%m-%d %H:%M:%S"
                 return time.mktime(datetime.datetime.strptime(value, f).timetuple())
 
diff --git a/cashu/core/legacy.py b/cashu/core/legacy.py
index 75186cc..9fc64b2 100644
--- a/cashu/core/legacy.py
+++ b/cashu/core/legacy.py
@@ -22,7 +22,7 @@ def hash_to_point_pre_0_3_3(secret_msg):
             _hash[0] = 0x02  # set first byte to represent even y coord
             _hash = bytes(_hash)
             point = PublicKey(_hash, raw=True)
-        except:
+        except Exception:
             msg = _hash
 
     return point
diff --git a/cashu/core/migrations.py b/cashu/core/migrations.py
index 61d21b5..37a697c 100644
--- a/cashu/core/migrations.py
+++ b/cashu/core/migrations.py
@@ -27,7 +27,7 @@ async def migrate_databases(db: Database, migrations_module):
                     logger.debug(f"Migrating {db_name} db: {key}")
                     await migrate(db)
 
-                    if db.schema == None:
+                    if db.schema is None:
                         await set_migration_version(db, db_name, version)
                     else:
                         async with db.connect() as conn:
diff --git a/cashu/core/script.py b/cashu/core/script.py
index 8b33f5b..ff471d1 100644
--- a/cashu/core/script.py
+++ b/cashu/core/script.py
@@ -2,13 +2,8 @@ import base64
 import hashlib
 import random
 
-COIN = 100_000_000
-TXID = "bff785da9f8169f49be92fa95e31f0890c385bfb1bd24d6b94d7900057c617ae"
-SEED = b"__not__used"
-
 from bitcoin.core import CMutableTxIn, CMutableTxOut, COutPoint, CTransaction, lx
-from bitcoin.core.script import *
-from bitcoin.core.script import CScript
+from bitcoin.core.script import OP_CHECKSIG, SIGHASH_ALL, CScript, SignatureHash
 from bitcoin.core.scripteval import (
     SCRIPT_VERIFY_P2SH,
     EvalScriptError,
@@ -17,6 +12,10 @@ from bitcoin.core.scripteval import (
 )
 from bitcoin.wallet import CBitcoinSecret, P2SHBitcoinAddress
 
+COIN = 100_000_000
+TXID = "bff785da9f8169f49be92fa95e31f0890c385bfb1bd24d6b94d7900057c617ae"
+SEED = b"__not__used"
+
 
 def step0_carol_privkey():
     """Private key"""
diff --git a/cashu/lightning/__init__.py b/cashu/lightning/__init__.py
index 2661f50..8e72fd4 100644
--- a/cashu/lightning/__init__.py
+++ b/cashu/lightning/__init__.py
@@ -1,3 +1,3 @@
 # type: ignore
-from .fake import FakeWallet
-from .lnbits import LNbitsWallet
+from .fake import FakeWallet  # noqa: F401
+from .lnbits import LNbitsWallet  # noqa: F401
diff --git a/cashu/lightning/base.py b/cashu/lightning/base.py
index adde18b..7daa035 100644
--- a/cashu/lightning/base.py
+++ b/cashu/lightning/base.py
@@ -1,5 +1,5 @@
 from abc import ABC, abstractmethod
-from typing import AsyncGenerator, Coroutine, NamedTuple, Optional
+from typing import Coroutine, NamedTuple, Optional
 
 
 class StatusResponse(NamedTuple):
@@ -34,14 +34,14 @@ class PaymentStatus(NamedTuple):
 
     @property
     def failed(self) -> bool:
-        return self.paid == False
+        return self.paid is False
 
     def __str__(self) -> str:
-        if self.paid == True:
+        if self.paid is True:
             return "settled"
-        elif self.paid == False:
+        elif self.paid is False:
             return "failed"
-        elif self.paid == None:
+        elif self.paid is None:
             return "still pending"
         else:
             return "unknown (should never happen)"
diff --git a/cashu/lightning/lnbits.py b/cashu/lightning/lnbits.py
index 2fa488d..796a389 100644
--- a/cashu/lightning/lnbits.py
+++ b/cashu/lightning/lnbits.py
@@ -34,7 +34,7 @@ class LNbitsWallet(Wallet):
 
         try:
             data = r.json()
-        except:
+        except Exception:
             return StatusResponse(
                 f"Failed to connect to {self.endpoint}, got: '{r.text[:200]}...'", 0
             )
@@ -61,7 +61,7 @@ class LNbitsWallet(Wallet):
                 url=f"{self.endpoint}/api/v1/payments", json=data
             )
             r.raise_for_status()
-        except:
+        except Exception:
             return InvoiceResponse(False, None, None, r.json()["detail"])
         ok, checking_id, payment_request, error_message = (
             True,
@@ -83,20 +83,13 @@ class LNbitsWallet(Wallet):
                 timeout=None,
             )
             r.raise_for_status()
-        except:
+        except Exception:
             error_message = r.json()["detail"]
             return PaymentResponse(None, None, None, None, error_message)
         if r.status_code > 299:
             return PaymentResponse(None, None, None, None, f"HTTP status: {r.reason}")
         if "detail" in r.json():
             return PaymentResponse(None, None, None, None, r.json()["detail"])
-        ok, checking_id, fee_msat, preimage, error_message = (
-            True,
-            None,
-            None,
-            None,
-            None,
-        )
 
         data = r.json()
         checking_id = data["payment_hash"]
@@ -104,7 +97,7 @@ class LNbitsWallet(Wallet):
         # we do this to get the fee and preimage
         payment: PaymentStatus = await self.get_payment_status(checking_id)
 
-        return PaymentResponse(ok, checking_id, payment.fee_msat, payment.preimage)
+        return PaymentResponse(True, checking_id, payment.fee_msat, payment.preimage)
 
     async def get_invoice_status(self, checking_id: str) -> PaymentStatus:
         try:
@@ -112,7 +105,7 @@ class LNbitsWallet(Wallet):
                 url=f"{self.endpoint}/api/v1/payments/{checking_id}"
             )
             r.raise_for_status()
-        except:
+        except Exception:
             return PaymentStatus(None)
         if r.json().get("detail"):
             return PaymentStatus(None)
@@ -124,7 +117,7 @@ class LNbitsWallet(Wallet):
                 url=f"{self.endpoint}/api/v1/payments/{checking_id}"
             )
             r.raise_for_status()
-        except:
+        except Exception:
             return PaymentStatus(None)
         data = r.json()
         if "paid" not in data and "details" not in data:
diff --git a/cashu/mint/__init__.py b/cashu/mint/__init__.py
index 8b13789..e69de29 100644
--- a/cashu/mint/__init__.py
+++ b/cashu/mint/__init__.py
@@ -1 +0,0 @@
-
diff --git a/cashu/mint/app.py b/cashu/mint/app.py
index 4de9e89..3b4ef32 100644
--- a/cashu/mint/app.py
+++ b/cashu/mint/app.py
@@ -8,10 +8,8 @@ from fastapi.responses import JSONResponse
 # from fastapi_profiler import PyInstrumentProfilerMiddleware
 from loguru import logger
 from starlette.middleware import Middleware
-from starlette.middleware.base import BaseHTTPMiddleware
 from starlette.middleware.cors import CORSMiddleware
 from starlette.requests import Request
-from starlette.responses import Response
 
 from ..core.errors import CashuError
 from ..core.settings import settings
@@ -40,7 +38,10 @@ def create_app(config_object="core.settings") -> FastAPI:
                 self.padding = 0
                 self.minimal_fmt: str = "<green>{time:YYYY-MM-DD HH:mm:ss.SS}</green> | <level>{level}</level> | <level>{message}</level>\n"
                 if settings.debug:
-                    self.fmt: str = "<green>{time:YYYY-MM-DD HH:mm:ss.SS}</green> | <level>{level: <4}</level> | <cyan>{name}</cyan>:<cyan>{function}</cyan>:<cyan>{line}</cyan> | <level>{message}</level>\n"
+                    self.fmt: str = (
+                        "<green>{time:YYYY-MM-DD HH:mm:ss.SS}</green> | <level>{level: <4}</level> | <cyan>{name}</cyan>:<cyan>"
+                        "{function}</cyan>:<cyan>{line}</cyan> | <level>{message}</level>\n"
+                    )
                 else:
                     self.fmt: str = self.minimal_fmt
 
@@ -113,7 +114,7 @@ async def catch_exceptions(request: Request, call_next):
     except Exception as e:
         try:
             err_message = str(e)
-        except:
+        except Exception:
             err_message = e.args[0] if e.args else "Unknown error"
 
         if isinstance(e, CashuError):
diff --git a/cashu/mint/crud.py b/cashu/mint/crud.py
index c1b638e..c7eaffc 100644
--- a/cashu/mint/crud.py
+++ b/cashu/mint/crud.py
@@ -1,4 +1,3 @@
-import time
 from typing import Any, List, Optional
 
 from ..core.base import BlindedSignature, Invoice, MintKeyset, Proof
diff --git a/cashu/mint/ledger.py b/cashu/mint/ledger.py
index d5f3a1f..1544c11 100644
--- a/cashu/mint/ledger.py
+++ b/cashu/mint/ledger.py
@@ -5,7 +5,7 @@ from typing import Dict, List, Literal, Optional, Set, Tuple, Union
 
 from loguru import logger
 
-from ..core import bolt11, legacy
+from ..core import bolt11
 from ..core.base import (
     BlindedMessage,
     BlindedSignature,
@@ -67,7 +67,7 @@ class Ledger:
 
     async def load_used_proofs(self):
         """Load all used proofs from database."""
-        logger.trace(f"crud: loading used proofs")
+        logger.trace("crud: loading used proofs")
         proofs_used = await self.crud.get_proofs_used(db=self.db)
         logger.trace(f"crud: loaded {len(proofs_used)} used proofs")
         self.proofs_used = set(proofs_used)
@@ -128,7 +128,7 @@ class Ledger:
             generated from `self.derivation_path`. Defaults to True.
         """
         # load all past keysets from db
-        logger.trace(f"crud: loading keysets")
+        logger.trace("crud: loading keysets")
         tmp_keysets: List[MintKeyset] = await self.crud.get_keyset(db=self.db)
         logger.trace(f"crud: loaded {len(tmp_keysets)} keysets")
         # add keysets from db to current keysets
@@ -199,7 +199,7 @@ class Ledger:
 
     def _check_spendable(self, proof: Proof):
         """Checks whether the proof was already spent."""
-        return not proof.secret in self.proofs_used
+        return proof.secret not in self.proofs_used
 
     async def _check_pending(self, proofs: List[Proof]):
         """Checks whether the proof is still pending."""
@@ -250,7 +250,7 @@ class Ledger:
             secret = Secret.deserialize(proof.secret)
             logger.trace(f"proof.secret: {proof.secret}")
             logger.trace(f"secret: {secret}")
-        except Exception as e:
+        except Exception:
             # secret is not a spending condition so we treat is a normal secret
             return True
         if secret.kind == SecretKind.P2SH:
@@ -285,7 +285,7 @@ class Ledger:
         if secret.kind == SecretKind.P2PK:
             # check if locktime is in the past
             pubkeys = secret.get_p2pk_pubkey_from_secret()
-            assert len(set(pubkeys)) == len(pubkeys), f"pubkeys must be unique."
+            assert len(set(pubkeys)) == len(pubkeys), "pubkeys must be unique."
             logger.trace(f"pubkeys: {pubkeys}")
             # we will get an empty list if the locktime has passed and no refund pubkey is present
             if not pubkeys:
@@ -369,7 +369,7 @@ class Ledger:
                 pubkeys_per_proof.append(secret.get_p2pk_pubkey_from_secret())
                 # get signature threshold from secrets
                 n_sigs.append(secret.n_sigs)
-            except Exception as e:
+            except Exception:
                 # secret is not a spending condition so we treat is a normal secret
                 return True
         # for all proofs all pubkeys must be the same
@@ -612,10 +612,10 @@ class Ledger:
         proof_msgs = set([p.secret for p in proofs])
         self.proofs_used |= proof_msgs
         # store in db
-        logger.trace(f"crud: storing proofs")
+        logger.trace("crud: storing proofs")
         for p in proofs:
             await self.crud.invalidate_proof(proof=p, db=self.db)
-        logger.trace(f"crud: stored proofs")
+        logger.trace("crud: stored proofs")
 
     async def _set_proofs_pending(
         self, proofs: List[Proof], conn: Optional[Connection] = None
@@ -641,7 +641,7 @@ class Ledger:
                     logger.trace(
                         f"crud: _set_proofs_pending proof {p.secret} set as pending"
                     )
-                except:
+                except Exception:
                     raise TransactionError("proofs already pending.")
 
     async def _unset_proofs_pending(
@@ -679,9 +679,9 @@ class Ledger:
         Raises:
             Exception: At least one of the proofs is in the pending table.
         """
-        logger.trace(f"crud: _validate_proofs_pending validating proofs")
+        logger.trace("crud: _validate_proofs_pending validating proofs")
         proofs_pending = await self.crud.get_proofs_pending(db=self.db, conn=conn)
-        logger.trace(f"crud: _validate_proofs_pending got proofs pending")
+        logger.trace("crud: _validate_proofs_pending got proofs pending")
         for p in proofs:
             for pp in proofs_pending:
                 if p.secret == pp.secret:
@@ -694,7 +694,8 @@ class Ledger:
 
         Args:
             proofs (List[Proof]): List of proofs to check.
-            outputs (Optional[List[BlindedMessage]], optional): List of outputs to check. Must be provided for /split but not for /melt. Defaults to None.
+            outputs (Optional[List[BlindedMessage]], optional): List of outputs to check.
+            Must be provided for /split but not for /melt. Defaults to None.
 
         Raises:
             Exception: Scripts did not validate.
@@ -814,7 +815,7 @@ class Ledger:
         Returns:
             Tuple[str, str]: Bolt11 invoice and a hash (for looking it up later)
         """
-        logger.trace(f"called request_mint")
+        logger.trace("called request_mint")
         if settings.mint_max_peg_in and amount > settings.mint_max_peg_in:
             raise NotAllowedError(
                 f"Maximum mint amount is {settings.mint_max_peg_in} sat."
@@ -941,8 +942,8 @@ class Ledger:
                 f"status: {status}, preimage: {preimage}, fee_msat: {fee_msat}"
             )
 
-            if status == True:
-                logger.trace(f"invalidating proofs")
+            if status:
+                logger.trace("invalidating proofs")
                 await self._invalidate_proofs(proofs)
                 logger.trace("invalidated proofs")
                 # prepare change to compensate wallet for overpaid fees
@@ -1008,7 +1009,7 @@ class Ledger:
             )
             paid = await self.lightning.get_invoice_status(decoded_invoice.payment_hash)
             logger.trace(f"check_fees: paid: {paid}")
-            internal = paid.paid == False
+            internal = paid.paid is False
         else:
             amount = 0
             internal = True
@@ -1039,14 +1040,14 @@ class Ledger:
         Returns:
             Tuple[List[BlindSignature],List[BlindSignature]]: Promises on both sides of the split.
         """
-        logger.trace(f"split called")
+        logger.trace("split called")
 
         await self._set_proofs_pending(proofs)
 
         total_amount = sum_proofs(proofs)
 
         try:
-            logger.trace(f"verifying _verify_split_amount")
+            logger.trace("verifying _verify_split_amount")
             # verify that amount is kosher
             self._verify_amount(total_amount)
 
@@ -1055,11 +1056,11 @@ class Ledger:
 
             logger.trace("verifying proofs: _verify_proofs_and_outputs")
             await self._verify_proofs_and_outputs(proofs, outputs)
-            logger.trace(f"verified proofs and outputs")
+            logger.trace("verified proofs and outputs")
             # Mark proofs as used and prepare new promises
-            logger.trace(f"invalidating proofs")
+            logger.trace("invalidating proofs")
             await self._invalidate_proofs(proofs)
-            logger.trace(f"invalidated proofs")
+            logger.trace("invalidated proofs")
         except Exception as e:
             logger.trace(f"split failed: {e}")
             raise e
@@ -1091,7 +1092,7 @@ class Ledger:
         # verify amounts in produced promises
         self._verify_equation_balanced(proofs, promises)
 
-        logger.trace(f"split successful")
+        logger.trace("split successful")
         return promises
         return prom_fst, prom_snd
 
diff --git a/cashu/mint/router.py b/cashu/mint/router.py
index 526faf8..2fbb833 100644
--- a/cashu/mint/router.py
+++ b/cashu/mint/router.py
@@ -1,11 +1,9 @@
-from typing import Dict, List, Optional, Union
+from typing import List, Optional, Union
 
 from fastapi import APIRouter
 from loguru import logger
-from secp256k1 import PublicKey
 
 from ..core.base import (
-    BlindedMessage,
     BlindedSignature,
     CheckFeesRequest,
     CheckFeesResponse,
@@ -39,7 +37,7 @@ router: APIRouter = APIRouter()
     response_model_exclude_none=True,
 )
 async def info() -> GetInfoResponse:
-    logger.trace(f"> GET /info")
+    logger.trace("> GET /info")
     return GetInfoResponse(
         name=settings.mint_info_name,
         pubkey=ledger.pubkey.serialize().hex() if ledger.pubkey else None,
@@ -66,7 +64,7 @@ async def info() -> GetInfoResponse:
 )
 async def keys():
     """This endpoint returns a dictionary of all supported token values of the mint and their associated public key."""
-    logger.trace(f"> GET /keys")
+    logger.trace("> GET /keys")
     keyset = ledger.get_keyset()
     keys = KeysResponse.parse_obj(keyset)
     return keys.__root__
@@ -101,7 +99,7 @@ async def keyset_keys(idBase64Urlsafe: str):
 )
 async def keysets() -> KeysetsResponse:
     """This endpoint returns a list of keysets that the mint currently supports and will accept tokens from."""
-    logger.trace(f"> GET /keysets")
+    logger.trace("> GET /keysets")
     keysets = KeysetsResponse(keysets=ledger.keysets.get_ids())
     return keysets
 
@@ -187,7 +185,10 @@ async def melt(payload: PostMeltRequest) -> GetMeltResponse:
     name="Check proof state",
     summary="Check whether a proof is spent already or is pending in a transaction",
     response_model=CheckSpendableResponse,
-    response_description="Two lists of booleans indicating whether the provided proofs are spendable or pending in a transaction respectively.",
+    response_description=(
+        "Two lists of booleans indicating whether the provided proofs "
+        "are spendable or pending in a transaction respectively."
+    ),
 )
 async def check_spendable(
     payload: CheckSpendableRequest,
@@ -258,7 +259,8 @@ async def split(
             else:
                 frst_promises.insert(0, promise)  # and insert at the beginning
         logger.trace(
-            f"Split into keep: {len(frst_promises)}: {sum([p.amount for p in frst_promises])} sat and send: {len(scnd_promises)}: {sum([p.amount for p in scnd_promises])} sat"
+            f"Split into keep: {len(frst_promises)}: {sum([p.amount for p in frst_promises])} "
+            f"sat and send: {len(scnd_promises)}: {sum([p.amount for p in scnd_promises])} sat"
         )
         return PostSplitResponse_Deprecated(fst=frst_promises, snd=scnd_promises)
         # END backwards compatibility < 0.13
@@ -271,7 +273,10 @@ async def split(
     name="Restore",
     summary="Restores a blinded signature from a secret",
     response_model=PostRestoreResponse,
-    response_description="Two lists with the first being the list of the provided outputs that have an associated blinded signature which is given in the second list.",
+    response_description=(
+        "Two lists with the first being the list of the provided outputs that "
+        "have an associated blinded signature which is given in the second list."
+    ),
 )
 async def restore(payload: PostMintRequest) -> PostRestoreResponse:
     assert payload.outputs, Exception("no outputs provided.")
diff --git a/cashu/mint/startup.py b/cashu/mint/startup.py
index dc85381..f4c8de7 100644
--- a/cashu/mint/startup.py
+++ b/cashu/mint/startup.py
@@ -9,8 +9,6 @@ from loguru import logger
 from ..core.db import Database
 from ..core.migrations import migrate_databases
 from ..core.settings import settings
-from ..lightning.fake import FakeWallet  # type: ignore
-from ..lightning.lnbits import LNbitsWallet  # type: ignore
 from ..mint import migrations
 from ..mint.ledger import Ledger
 
diff --git a/cashu/tor/tor.py b/cashu/tor/tor.py
index 50f49ce..114441c 100755
--- a/cashu/tor/tor.py
+++ b/cashu/tor/tor.py
@@ -91,7 +91,7 @@ class TorProxy:
         try:
             logger.debug(f"Setting permissions of {PATHS[platform.system()]} to 755")
             os.chmod(PATHS[platform.system()], 0o755)
-        except:
+        except Exception:
             logger.debug("Exception: could not set permissions of Tor binary")
         return PATHS[platform.system()]
 
@@ -138,7 +138,7 @@ class TorProxy:
             s.connect(location)
             s.close()
             return True
-        except Exception as e:
+        except Exception:
             return False
 
     def read_pid(self):
@@ -163,7 +163,7 @@ class TorProxy:
         pid = int(pid)
         try:
             os.kill(pid, signal)
-        except:
+        except Exception:
             return False
         else:
             return True
diff --git a/cashu/wallet/__init__.py b/cashu/wallet/__init__.py
index d1e0a16..663d212 100644
--- a/cashu/wallet/__init__.py
+++ b/cashu/wallet/__init__.py
@@ -1,11 +1,11 @@
 import sys
 
-sys.tracebacklimit = None  # type: ignore
-
 from loguru import logger
 
 from ..core.settings import settings
 
+sys.tracebacklimit = None  # type: ignore
+
 # configure logger
 logger.remove()
 logger.add(sys.stderr, level="DEBUG" if settings.debug else "INFO")
diff --git a/cashu/wallet/api/router.py b/cashu/wallet/api/router.py
index d0a26c8..667dd1a 100644
--- a/cashu/wallet/api/router.py
+++ b/cashu/wallet/api/router.py
@@ -1,4 +1,3 @@
-import asyncio
 import os
 from datetime import datetime
 from itertools import groupby, islice
@@ -119,7 +118,7 @@ async def invoice(
     global wallet
     wallet = await load_mint(wallet, mint)
     if not settings.lightning:
-        r = await wallet.mint(amount, split=optional_split)
+        await wallet.mint(amount, split=optional_split)
         return InvoiceResponse(
             amount=amount,
         )
@@ -392,7 +391,7 @@ async def wallets():
                             }
                         }
                     )
-        except:
+        except Exception:
             pass
     return WalletsResponse(wallets=result)
 
@@ -417,7 +416,7 @@ async def info():
             client = NostrClient(private_key=settings.nostr_private_key, connect=False)
             nostr_public_key = client.private_key.bech32()
             nostr_relays = settings.nostr_relays
-        except:
+        except Exception:
             nostr_public_key = "Invalid key"
             nostr_relays = []
     else:
diff --git a/cashu/wallet/cli/cli.py b/cashu/wallet/cli/cli.py
index b6460b9..c3e6b37 100644
--- a/cashu/wallet/cli/cli.py
+++ b/cashu/wallet/cli/cli.py
@@ -89,7 +89,11 @@ def coro(f):
 @coro
 async def cli(ctx: Context, host: str, walletname: str, tests: bool):
     if settings.tor and not TorProxy().check_platform():
-        error_str = "Your settings say TOR=true but the built-in Tor bundle is not supported on your system. You have two options: Either install Tor manually and set TOR=FALSE and SOCKS_HOST=localhost and SOCKS_PORT=9050 in your Cashu config (recommended). Or turn off Tor by setting TOR=false (not recommended). Cashu will not work until you edit your config file accordingly."
+        error_str = (
+            "Your settings say TOR=true but the built-in Tor bundle is not supported on your system. You have two options: Either install"
+            " Tor manually and set TOR=FALSE and SOCKS_HOST=localhost and SOCKS_PORT=9050 in your Cashu config (recommended). Or turn off Tor by "
+            "setting TOR=false (not recommended). Cashu will not work until you edit your config file accordingly."
+        )
         error_str += "\n\n"
         if settings.env_file:
             error_str += f"Edit your Cashu config file here: {settings.env_file}"
@@ -156,7 +160,7 @@ async def pay(ctx: Context, invoice: str, yes: bool):
             default=True,
         )
 
-    print(f"Paying Lightning invoice ...")
+    print("Paying Lightning invoice ...")
     assert total_amount > 0, "amount is not positive"
     if wallet.available_balance < total_amount:
         print("Error: Balance too low.")
@@ -192,7 +196,7 @@ async def invoice(ctx: Context, amount: int, hash: str, split: int):
         logger.debug(f"Requesting split with {n_splits} * {split} sat tokens.")
 
     if not settings.lightning:
-        r = await wallet.mint(amount, split=optional_split)
+        await wallet.mint(amount, split=optional_split)
     # user requests an invoice
     elif amount and not hash:
         invoice = await wallet.request_mint(amount)
@@ -207,7 +211,7 @@ async def invoice(ctx: Context, amount: int, hash: str, split: int):
             check_until = time.time() + 5 * 60  # check for five minutes
             print("")
             print(
-                f"Checking invoice ...",
+                "Checking invoice ...",
                 end="",
                 flush=True,
             )
@@ -310,7 +314,8 @@ async def balance(ctx: Context, verbose):
 
     if verbose:
         print(
-            f"Balance: {wallet.available_balance} sat (pending: {wallet.balance-wallet.available_balance} sat) in {len([p for p in wallet.proofs if not p.reserved])} tokens"
+            f"Balance: {wallet.available_balance} sat (pending: {wallet.balance-wallet.available_balance} sat) "
+            f"in {len([p for p in wallet.proofs if not p.reserved])} tokens"
         )
     else:
         print(f"Balance: {wallet.available_balance} sat")
@@ -498,7 +503,7 @@ async def pending(ctx: Context, legacy, number: int, offset: int):
     wallet: Wallet = ctx.obj["WALLET"]
     reserved_proofs = await get_reserved_proofs(wallet.db)
     if len(reserved_proofs):
-        print(f"--------------------------\n")
+        print("--------------------------\n")
         sorted_proofs = sorted(reserved_proofs, key=itemgetter("send_id"))  # type: ignore
         if number:
             number += offset
@@ -532,7 +537,7 @@ async def pending(ctx: Context, legacy, number: int, offset: int):
                     legacy=True,
                 )
                 print(f"{token_legacy}\n")
-            print(f"--------------------------\n")
+            print("--------------------------\n")
         print("To remove all spent tokens use: cashu burn -a")
 
 
@@ -566,7 +571,7 @@ async def lock(ctx, p2sh):
         f"Anyone can send tokens to this lock:\n\ncashu send <amount> --lock {lock_str}"
     )
     print("")
-    print(f"Only you can receive tokens from this lock: cashu receive <token>")
+    print("Only you can receive tokens from this lock: cashu receive <token>")
 
 
 @cli.command("locks", help="Show unused receiving locks.")
@@ -586,12 +591,12 @@ async def locks(ctx):
     if len(locks):
         print("")
         print("---- Pay to script hash (P2SH) locks ----\n")
-        for l in locks:
-            print(f"Lock: P2SH:{l.address}")
-            print(f"Script: {l.script}")
-            print(f"Signature: {l.signature}")
+        for lock in locks:
+            print(f"Lock: P2SH:{lock.address}")
+            print(f"Script: {lock.script}")
+            print(f"Signature: {lock.signature}")
             print("")
-            print(f"--------------------------\n")
+            print("--------------------------\n")
 
     return True
 
@@ -604,7 +609,7 @@ async def invoices(ctx):
     invoices = await get_lightning_invoices(db=wallet.db)
     if len(invoices):
         print("")
-        print(f"--------------------------\n")
+        print("--------------------------\n")
         for invoice in invoices:
             print(f"Paid: {invoice.paid}")
             print(f"Incoming: {invoice.amount > 0}")
@@ -626,7 +631,7 @@ async def invoices(ctx):
             print("")
             print(f"Payment request: {invoice.pr}")
             print("")
-            print(f"--------------------------\n")
+            print("--------------------------\n")
     else:
         print("No invoices found.")
 
@@ -652,9 +657,10 @@ async def wallets(ctx):
                 if w == ctx.obj["WALLET_NAME"]:
                     active_wallet = True
                 print(
-                    f"Wallet: {w}\tBalance: {sum_proofs(wallet.proofs)} sat (available: {sum_proofs([p for p in wallet.proofs if not p.reserved])} sat){' *' if active_wallet else ''}"
+                    f"Wallet: {w}\tBalance: {sum_proofs(wallet.proofs)} sat (available: "
+                    f"{sum_proofs([p for p in wallet.proofs if not p.reserved])} sat){' *' if active_wallet else ''}"
                 )
-        except:
+        except Exception:
             pass
 
 
@@ -679,8 +685,8 @@ async def info(ctx: Context, mint: bool, mnemonic: bool):
             client = NostrClient(private_key=settings.nostr_private_key, connect=False)
             print(f"Nostr public key: {client.public_key.bech32()}")
             print(f"Nostr relays: {settings.nostr_relays}")
-        except:
-            print(f"Nostr: Error. Invalid key.")
+        except Exception:
+            print("Nostr: Error. Invalid key.")
     if settings.socks_proxy:
         print(f"Socks proxy: {settings.socks_proxy}")
     if settings.http_proxy:
diff --git a/cashu/wallet/cli/cli_helpers.py b/cashu/wallet/cli/cli_helpers.py
index 6f762b4..068d244 100644
--- a/cashu/wallet/cli/cli_helpers.py
+++ b/cashu/wallet/cli/cli_helpers.py
@@ -1,21 +1,9 @@
 import os
-import urllib.parse
-from typing import List
 
 import click
 from click import Context
 from loguru import logger
 
-from ...core.base import (
-    Proof,
-    TokenV1,
-    TokenV2,
-    TokenV2Mint,
-    TokenV3,
-    TokenV3Token,
-    WalletKeyset,
-)
-from ...core.helpers import sum_proofs
 from ...core.settings import settings
 from ...wallet.crud import get_keyset
 from ...wallet.wallet import Wallet as Wallet
@@ -114,7 +102,7 @@ async def verify_mint(mint_wallet: Wallet, url: str):
         print(f"Mint URL: {url}")
         print("\n")
         click.confirm(
-            f"Do you trust this mint and want to receive the tokens?",
+            "Do you trust this mint and want to receive the tokens?",
             abort=True,
             default=True,
         )
diff --git a/cashu/wallet/crud.py b/cashu/wallet/crud.py
index 9c5b6ea..887db75 100644
--- a/cashu/wallet/crud.py
+++ b/cashu/wallet/crud.py
@@ -1,8 +1,7 @@
-import json
 import time
 from typing import Any, List, Optional, Tuple
 
-from ..core.base import Invoice, KeyBase, P2SHScript, Proof, WalletKeyset
+from ..core.base import Invoice, P2SHScript, Proof, WalletKeyset
 from ..core.db import Connection, Database
 
 
@@ -59,7 +58,7 @@ async def invalidate_proof(
     conn: Optional[Connection] = None,
 ):
     await (conn or db).execute(
-        f"""
+        """
         DELETE FROM proofs
         WHERE secret = ?
         """,
@@ -250,7 +249,7 @@ async def store_lightning_invoice(
     conn: Optional[Connection] = None,
 ):
     await (conn or db).execute(
-        f"""
+        """
         INSERT INTO invoices
           (amount, pr, hash, preimage, paid, time_created, time_paid)
         VALUES (?, ?, ?, ?, ?, ?, ?)
@@ -395,7 +394,7 @@ async def set_nostr_last_check_timestamp(
     conn: Optional[Connection] = None,
 ):
     await (conn or db).execute(
-        f"UPDATE nostr SET last = ? WHERE type = ?",
+        "UPDATE nostr SET last = ? WHERE type = ?",
         (timestamp, "dm"),
     )
 
@@ -405,7 +404,7 @@ async def get_nostr_last_check_timestamp(
     conn: Optional[Connection] = None,
 ):
     row = await (conn or db).fetchone(
-        f"""
+        """
         SELECT last from nostr WHERE type = ?
         """,
         ("dm",),
@@ -418,7 +417,7 @@ async def get_seed_and_mnemonic(
     conn: Optional[Connection] = None,
 ) -> Optional[Tuple[str, str]]:
     row = await (conn or db).fetchone(
-        f"""
+        """
         SELECT seed, mnemonic from seed
         """,
     )
@@ -439,7 +438,7 @@ async def store_seed_and_mnemonic(
     conn: Optional[Connection] = None,
 ):
     await (conn or db).execute(
-        f"""
+        """
         INSERT INTO seed
           (seed, mnemonic)
         VALUES (?, ?)
diff --git a/cashu/wallet/helpers.py b/cashu/wallet/helpers.py
index 3449014..ac71118 100644
--- a/cashu/wallet/helpers.py
+++ b/cashu/wallet/helpers.py
@@ -87,7 +87,7 @@ def deserialize_token_from_string(token: str) -> TokenV3:
         try:
             tokenv2 = TokenV2.parse_obj(json.loads(base64.urlsafe_b64decode(token)))
             token = serialize_TokenV2_to_TokenV3(tokenv2)
-        except:
+        except Exception:
             pass
 
     # V1Tokens (<0.7) (W3siaWQ...)
@@ -95,7 +95,7 @@ def deserialize_token_from_string(token: str) -> TokenV3:
         try:
             tokenv1 = TokenV1.parse_obj(json.loads(base64.urlsafe_b64decode(token)))
             token = serialize_TokenV1_to_TokenV3(tokenv1)
-        except:
+        except Exception:
             pass
 
     # ----- receive token -----
diff --git a/cashu/wallet/migrations.py b/cashu/wallet/migrations.py
index 057ce09..810def7 100644
--- a/cashu/wallet/migrations.py
+++ b/cashu/wallet/migrations.py
@@ -151,7 +151,7 @@ async def m007_nostr(db: Database):
     Stores timestamps of nostr operations.
     """
     await db.execute(
-        f"""
+        """
         CREATE TABLE IF NOT EXISTS nostr (
             type TEXT NOT NULL,
             last TIMESTAMP DEFAULT NULL
@@ -159,7 +159,7 @@ async def m007_nostr(db: Database):
         """
     )
     await db.execute(
-        f"""
+        """
         INSERT INTO nostr
             (type, last)
         VALUES (?, ?)
diff --git a/cashu/wallet/wallet.py b/cashu/wallet/wallet.py
index da0992a..61cd606 100644
--- a/cashu/wallet/wallet.py
+++ b/cashu/wallet/wallet.py
@@ -1,4 +1,3 @@
-import asyncio
 import base64
 import hashlib
 import json
@@ -10,7 +9,6 @@ from datetime import datetime, timedelta
 from itertools import groupby
 from typing import Dict, List, Optional, Tuple, Union
 
-import click
 import requests
 from bip32 import BIP32
 from loguru import logger
@@ -35,7 +33,6 @@ from ..core.base import (
     PostMintResponse,
     PostRestoreResponse,
     PostSplitRequest,
-    PostSplitResponse_Deprecated,
     Proof,
     Secret,
     SecretKind,
@@ -62,7 +59,6 @@ from ..core.script import (
 )
 from ..core.settings import settings
 from ..core.split import amount_split
-from ..nostr.nostr.client.client import NostrClient
 from ..tor.tor import TorProxy
 from ..wallet.crud import (
     bump_secret_derivation,
@@ -101,7 +97,7 @@ def async_set_requests(func):
         if settings.tor and TorProxy().check_platform():
             self.tor = TorProxy(timeout=True)
             self.tor.run_daemon(verbose=True)
-            proxy_url = f"socks5://localhost:9050"
+            proxy_url = "socks5://localhost:9050"
         elif settings.socks_proxy:
             proxy_url = f"socks5://{settings.socks_proxy}"
         elif settings.http_proxy:
@@ -164,7 +160,7 @@ class LedgerAPI(object):
         Returns:
             List[Proof]: list of proofs that can be used as ecash
         """
-        logger.trace(f"Constructing proofs.")
+        logger.trace("Constructing proofs.")
         proofs: List[Proof] = []
         for promise, secret, r, path in zip(promises, secrets, rs, derivation_paths):
             logger.trace(f"Creating proof with keyset {self.keyset_id} = {promise.id}")
@@ -249,7 +245,8 @@ class LedgerAPI(object):
         """Loads keys from mint and stores them in the database.
 
         Args:
-            keyset_id (str, optional): keyset id to load. If given, requests keys for this keyset from the mint. If not given, requests current keyset of the mint. Defaults to "".
+            keyset_id (str, optional): keyset id to load. If given, requests keys for this keyset
+            from the mint. If not given, requests current keyset of the mint. Defaults to "".
 
         Raises:
             AssertionError: if mint URL is not set
@@ -297,7 +294,7 @@ class LedgerAPI(object):
         mint_keysets = []
         try:
             mint_keysets = await self._get_keyset_ids(self.url)
-        except:
+        except Exception:
             assert self.keys.id, "could not get keysets from mint, and do not have keys"
             pass
         self.keysets = mint_keysets or [self.keys.id]
@@ -735,7 +732,7 @@ class Wallet(LedgerAPI):
         try:
             self.bip32 = BIP32.from_seed(self.seed)
             self.private_key = PrivateKey(
-                self.bip32.get_privkey_from_path(f"m/129372'/0'/0'/0'")
+                self.bip32.get_privkey_from_path("m/129372'/0'/0'/0'")
             )
         except ValueError:
             raise ValueError("Invalid seed")
@@ -948,7 +945,7 @@ class Wallet(LedgerAPI):
         try:
             for p in proofs:
                 Secret.deserialize(p.secret)
-        except:
+        except Exception:
             # if not, we do not add witnesses (treat as regular token secret)
             return outputs
 
@@ -1015,20 +1012,20 @@ class Wallet(LedgerAPI):
         try:
             for p in proofs:
                 Secret.deserialize(p.secret)
-        except:
+        except Exception:
             # if not, we do not add witnesses (treat as regular token secret)
             return proofs
-        logger.debug(f"Spending conditions detected.")
+        logger.debug("Spending conditions detected.")
         # P2SH scripts
         if all([Secret.deserialize(p.secret).kind == SecretKind.P2SH for p in proofs]):
-            logger.debug(f"P2SH redemption detected.")
+            logger.debug("P2SH redemption detected.")
             proofs = await self.add_p2sh_witnesses_to_proofs(proofs)
 
         # P2PK signatures
         elif all(
             [Secret.deserialize(p.secret).kind == SecretKind.P2PK for p in proofs]
         ):
-            logger.debug(f"P2PK redemption detected.")
+            logger.debug("P2PK redemption detected.")
             proofs = await self.add_p2pk_witnesses_to_proofs(proofs)
 
         return proofs
@@ -1155,7 +1152,7 @@ class Wallet(LedgerAPI):
 
         status = await super().pay_lightning(proofs, invoice, outputs)
 
-        if status.paid == True:
+        if status.paid:
             # the payment was successful
             await self.invalidate(proofs)
             invoice_obj = Invoice(
diff --git a/poetry.lock b/poetry.lock
index 202faac..0ba5203 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,10 +1,9 @@
-# This file is automatically @generated by Poetry 1.4.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.5.1 and should not be changed by hand.
 
 [[package]]
 name = "anyio"
 version = "3.7.1"
 description = "High level compatibility layer for multiple asynchronous event loop implementations"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -16,7 +15,6 @@ files = [
 exceptiongroup = {version = "*", markers = "python_version < \"3.11\""}
 idna = ">=2.8"
 sniffio = ">=1.1"
-typing-extensions = {version = "*", markers = "python_version < \"3.8\""}
 
 [package.extras]
 doc = ["Sphinx", "packaging", "sphinx-autodoc-typehints (>=1.2.0)", "sphinx-rtd-theme (>=1.2.2)", "sphinxcontrib-jquery"]
@@ -27,7 +25,6 @@ trio = ["trio (<0.22)"]
 name = "asn1crypto"
 version = "1.5.1"
 description = "Fast ASN.1 parser and serializer with definitions for private keys, public keys, certificates, CRL, OCSP, CMS, PKCS#3, PKCS#7, PKCS#8, PKCS#12, PKCS#5, X.509 and TSP"
-category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -39,7 +36,6 @@ files = [
 name = "attrs"
 version = "23.1.0"
 description = "Classes Without Boilerplate"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -47,9 +43,6 @@ files = [
     {file = "attrs-23.1.0.tar.gz", hash = "sha256:6279836d581513a26f1bf235f9acd333bc9115683f14f7e8fae46c98fc50e015"},
 ]
 
-[package.dependencies]
-importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
-
 [package.extras]
 cov = ["attrs[tests]", "coverage[toml] (>=5.3)"]
 dev = ["attrs[docs,tests]", "pre-commit"]
@@ -61,7 +54,6 @@ tests-no-zope = ["cloudpickle", "hypothesis", "mypy (>=1.1.1)", "pympler", "pyte
 name = "base58"
 version = "2.1.1"
 description = "Base58 and Base58Check implementation."
-category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -76,7 +68,6 @@ tests = ["PyHamcrest (>=2.0.2)", "mypy", "pytest (>=4.6)", "pytest-benchmark", "
 name = "bech32"
 version = "1.2.0"
 description = "Reference implementation for Bech32 and segwit addresses."
-category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -88,7 +79,6 @@ files = [
 name = "bip32"
 version = "3.4"
 description = "Minimalistic implementation of the BIP32 key derivation scheme"
-category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -104,7 +94,6 @@ coincurve = ">=15.0,<19"
 name = "bitstring"
 version = "3.1.9"
 description = "Simple construction, analysis and modification of binary data."
-category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -117,7 +106,6 @@ files = [
 name = "black"
 version = "22.12.0"
 description = "The uncompromising code formatter."
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -141,7 +129,6 @@ mypy-extensions = ">=0.4.3"
 pathspec = ">=0.9.0"
 platformdirs = ">=2"
 tomli = {version = ">=1.1.0", markers = "python_full_version < \"3.11.0a7\""}
-typed-ast = {version = ">=1.4.2", markers = "python_version < \"3.8\" and implementation_name == \"cpython\""}
 typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}
 
 [package.extras]
@@ -152,21 +139,19 @@ uvloop = ["uvloop (>=0.15.2)"]
 
 [[package]]
 name = "certifi"
-version = "2023.5.7"
+version = "2023.7.22"
 description = "Python package for providing Mozilla's CA Bundle."
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "certifi-2023.5.7-py3-none-any.whl", hash = "sha256:c6c2e98f5c7869efca1f8916fed228dd91539f9f1b444c314c06eef02980c716"},
-    {file = "certifi-2023.5.7.tar.gz", hash = "sha256:0f0d56dc5a6ad56fd4ba36484d6cc34451e1c6548c61daad8c320169f91eddc7"},
+    {file = "certifi-2023.7.22-py3-none-any.whl", hash = "sha256:92d6037539857d8206b8f6ae472e8b77db8058fec5937a1ef3f54304089edbb9"},
+    {file = "certifi-2023.7.22.tar.gz", hash = "sha256:539cc1d13202e33ca466e88b2807e29f4c13049d6d87031a3c110744495cb082"},
 ]
 
 [[package]]
 name = "cffi"
 version = "1.15.1"
 description = "Foreign Function Interface for Python calling C code."
-category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -243,7 +228,6 @@ pycparser = "*"
 name = "charset-normalizer"
 version = "3.2.0"
 description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
-category = "main"
 optional = false
 python-versions = ">=3.7.0"
 files = [
@@ -326,25 +310,22 @@ files = [
 
 [[package]]
 name = "click"
-version = "8.1.5"
+version = "8.1.6"
 description = "Composable command line interface toolkit"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "click-8.1.5-py3-none-any.whl", hash = "sha256:e576aa487d679441d7d30abb87e1b43d24fc53bffb8758443b1a9e1cee504548"},
-    {file = "click-8.1.5.tar.gz", hash = "sha256:4be4b1af8d665c6d942909916d31a213a106800c47d0eeba73d34da3cbc11367"},
+    {file = "click-8.1.6-py3-none-any.whl", hash = "sha256:fa244bb30b3b5ee2cae3da8f55c9e5e0c0e86093306301fb418eb9dc40fbded5"},
+    {file = "click-8.1.6.tar.gz", hash = "sha256:48ee849951919527a045bfe3bf7baa8a959c423134e1a5b98c05c20ba75a1cbd"},
 ]
 
 [package.dependencies]
 colorama = {version = "*", markers = "platform_system == \"Windows\""}
-importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 
 [[package]]
 name = "coincurve"
 version = "18.0.0"
 description = "Cross-platform Python CFFI bindings for libsecp256k1"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -400,7 +381,6 @@ cffi = ">=1.3.0"
 name = "colorama"
 version = "0.4.6"
 description = "Cross-platform colored terminal text."
-category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 files = [
@@ -412,7 +392,6 @@ files = [
 name = "coverage"
 version = "7.2.7"
 description = "Code coverage measurement for Python"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -488,7 +467,6 @@ toml = ["tomli"]
 name = "cryptography"
 version = "36.0.2"
 description = "cryptography is a package which provides cryptographic recipes and primitives to Python developers."
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -529,7 +507,6 @@ test = ["hypothesis (>=1.11.4,!=3.79.2)", "iso8601", "pretend", "pytest (>=6.2.0
 name = "ecdsa"
 version = "0.18.0"
 description = "ECDSA cryptographic signature library (pure python)"
-category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 files = [
@@ -548,7 +525,6 @@ gmpy2 = ["gmpy2"]
 name = "environs"
 version = "9.5.0"
 description = "simplified environment variable parsing"
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -570,7 +546,6 @@ tests = ["dj-database-url", "dj-email-url", "django-cache-url", "pytest"]
 name = "exceptiongroup"
 version = "1.1.2"
 description = "Backport of PEP 654 (exception groups)"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -585,7 +560,6 @@ test = ["pytest (>=6)"]
 name = "fastapi"
 version = "0.83.0"
 description = "FastAPI framework, high performance, easy to learn, fast to code, ready for production"
-category = "main"
 optional = false
 python-versions = ">=3.6.1"
 files = [
@@ -603,11 +577,26 @@ dev = ["autoflake (>=1.4.0,<2.0.0)", "flake8 (>=3.8.3,<6.0.0)", "passlib[bcrypt]
 doc = ["mdx-include (>=1.4.1,<2.0.0)", "mkdocs (>=1.1.2,<2.0.0)", "mkdocs-markdownextradata-plugin (>=0.1.7,<0.3.0)", "mkdocs-material (>=8.1.4,<9.0.0)", "pyyaml (>=5.3.1,<7.0.0)", "typer (>=0.4.1,<0.5.0)"]
 test = ["anyio[trio] (>=3.2.1,<4.0.0)", "black (==22.3.0)", "databases[sqlite] (>=0.3.2,<0.6.0)", "email_validator (>=1.1.1,<2.0.0)", "flake8 (>=3.8.3,<6.0.0)", "flask (>=1.1.2,<3.0.0)", "httpx (>=0.14.0,<0.19.0)", "isort (>=5.0.6,<6.0.0)", "mypy (==0.910)", "orjson (>=3.2.1,<4.0.0)", "peewee (>=3.13.3,<4.0.0)", "pytest (>=6.2.4,<7.0.0)", "pytest-cov (>=2.12.0,<4.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "requests (>=2.24.0,<3.0.0)", "sqlalchemy (>=1.3.18,<1.5.0)", "types-dataclasses (==0.6.5)", "types-orjson (==3.6.2)", "types-ujson (==4.2.1)", "ujson (>=4.0.1,!=4.0.2,!=4.1.0,!=4.2.0,!=4.3.0,!=5.0.0,!=5.1.0,<6.0.0)"]
 
+[[package]]
+name = "flake8"
+version = "6.0.0"
+description = "the modular source code checker: pep8 pyflakes and co"
+optional = false
+python-versions = ">=3.8.1"
+files = [
+    {file = "flake8-6.0.0-py2.py3-none-any.whl", hash = "sha256:3833794e27ff64ea4e9cf5d410082a8b97ff1a06c16aa3d2027339cd0f1195c7"},
+    {file = "flake8-6.0.0.tar.gz", hash = "sha256:c61007e76655af75e6785a931f452915b371dc48f56efd765247c8fe68f2b181"},
+]
+
+[package.dependencies]
+mccabe = ">=0.7.0,<0.8.0"
+pycodestyle = ">=2.10.0,<2.11.0"
+pyflakes = ">=3.0.0,<3.1.0"
+
 [[package]]
 name = "h11"
 version = "0.12.0"
 description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -619,7 +608,6 @@ files = [
 name = "httpcore"
 version = "0.15.0"
 description = "A minimal low-level HTTP client."
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -628,20 +616,19 @@ files = [
 ]
 
 [package.dependencies]
-anyio = ">=3.0.0,<4.0.0"
+anyio = "==3.*"
 certifi = "*"
 h11 = ">=0.11,<0.13"
-sniffio = ">=1.0.0,<2.0.0"
+sniffio = "==1.*"
 
 [package.extras]
 http2 = ["h2 (>=3,<5)"]
-socks = ["socksio (>=1.0.0,<2.0.0)"]
+socks = ["socksio (==1.*)"]
 
 [[package]]
 name = "httpx"
 version = "0.23.0"
 description = "The next generation HTTP client."
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -657,15 +644,14 @@ sniffio = "*"
 
 [package.extras]
 brotli = ["brotli", "brotlicffi"]
-cli = ["click (>=8.0.0,<9.0.0)", "pygments (>=2.0.0,<3.0.0)", "rich (>=10,<13)"]
+cli = ["click (==8.*)", "pygments (==2.*)", "rich (>=10,<13)"]
 http2 = ["h2 (>=3,<5)"]
-socks = ["socksio (>=1.0.0,<2.0.0)"]
+socks = ["socksio (==1.*)"]
 
 [[package]]
 name = "idna"
 version = "3.4"
 description = "Internationalized Domain Names in Applications (IDNA)"
-category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -677,7 +663,6 @@ files = [
 name = "importlib-metadata"
 version = "5.2.0"
 description = "Read metadata from Python packages"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -686,7 +671,6 @@ files = [
 ]
 
 [package.dependencies]
-typing-extensions = {version = ">=3.6.4", markers = "python_version < \"3.8\""}
 zipp = ">=0.5"
 
 [package.extras]
@@ -698,7 +682,6 @@ testing = ["flake8 (<5)", "flufl.flake8", "importlib-resources (>=1.3)", "packag
 name = "iniconfig"
 version = "2.0.0"
 description = "brain-dead simple config-ini parsing"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -708,18 +691,17 @@ files = [
 
 [[package]]
 name = "isort"
-version = "5.11.5"
+version = "5.12.0"
 description = "A Python utility / library to sort Python imports."
-category = "dev"
 optional = false
-python-versions = ">=3.7.0"
+python-versions = ">=3.8.0"
 files = [
-    {file = "isort-5.11.5-py3-none-any.whl", hash = "sha256:ba1d72fb2595a01c7895a5128f9585a5cc4b6d395f1c8d514989b9a7eb2a8746"},
-    {file = "isort-5.11.5.tar.gz", hash = "sha256:6be1f76a507cb2ecf16c7cf14a37e41609ca082330be4e3436a18ef74add55db"},
+    {file = "isort-5.12.0-py3-none-any.whl", hash = "sha256:f84c2818376e66cf843d497486ea8fed8700b340f308f076c6fb1229dff318b6"},
+    {file = "isort-5.12.0.tar.gz", hash = "sha256:8bef7dde241278824a6d83f44a544709b065191b95b6e50894bdc722fcba0504"},
 ]
 
 [package.extras]
-colors = ["colorama (>=0.4.3,<0.5.0)"]
+colors = ["colorama (>=0.4.3)"]
 pipfile-deprecated-finder = ["pip-shims (>=0.5.2)", "pipreqs", "requirementslib"]
 plugins = ["setuptools"]
 requirements-deprecated-finder = ["pip-api", "pipreqs"]
@@ -728,7 +710,6 @@ requirements-deprecated-finder = ["pip-api", "pipreqs"]
 name = "loguru"
 version = "0.6.0"
 description = "Python logging made (stupidly) simple"
-category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -745,30 +726,39 @@ dev = ["Sphinx (>=4.1.1)", "black (>=19.10b0)", "colorama (>=0.3.4)", "docutils
 
 [[package]]
 name = "marshmallow"
-version = "3.19.0"
+version = "3.20.1"
 description = "A lightweight library for converting complex datatypes to and from native Python datatypes."
-category = "main"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "marshmallow-3.19.0-py3-none-any.whl", hash = "sha256:93f0958568da045b0021ec6aeb7ac37c81bfcccbb9a0e7ed8559885070b3a19b"},
-    {file = "marshmallow-3.19.0.tar.gz", hash = "sha256:90032c0fd650ce94b6ec6dc8dfeb0e3ff50c144586462c389b81a07205bedb78"},
+    {file = "marshmallow-3.20.1-py3-none-any.whl", hash = "sha256:684939db93e80ad3561392f47be0230743131560a41c5110684c16e21ade0a5c"},
+    {file = "marshmallow-3.20.1.tar.gz", hash = "sha256:5d2371bbe42000f2b3fb5eaa065224df7d8f8597bc19a1bbfa5bfe7fba8da889"},
 ]
 
 [package.dependencies]
 packaging = ">=17.0"
 
 [package.extras]
-dev = ["flake8 (==5.0.4)", "flake8-bugbear (==22.10.25)", "mypy (==0.990)", "pre-commit (>=2.4,<3.0)", "pytest", "pytz", "simplejson", "tox"]
-docs = ["alabaster (==0.7.12)", "autodocsumm (==0.2.9)", "sphinx (==5.3.0)", "sphinx-issues (==3.0.1)", "sphinx-version-warning (==1.1.2)"]
-lint = ["flake8 (==5.0.4)", "flake8-bugbear (==22.10.25)", "mypy (==0.990)", "pre-commit (>=2.4,<3.0)"]
+dev = ["flake8 (==6.0.0)", "flake8-bugbear (==23.7.10)", "mypy (==1.4.1)", "pre-commit (>=2.4,<4.0)", "pytest", "pytz", "simplejson", "tox"]
+docs = ["alabaster (==0.7.13)", "autodocsumm (==0.2.11)", "sphinx (==7.0.1)", "sphinx-issues (==3.0.1)", "sphinx-version-warning (==1.1.2)"]
+lint = ["flake8 (==6.0.0)", "flake8-bugbear (==23.7.10)", "mypy (==1.4.1)", "pre-commit (>=2.4,<4.0)"]
 tests = ["pytest", "pytz", "simplejson"]
 
+[[package]]
+name = "mccabe"
+version = "0.7.0"
+description = "McCabe checker, plugin for flake8"
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "mccabe-0.7.0-py2.py3-none-any.whl", hash = "sha256:6c2d30ab6be0e4a46919781807b4f0d834ebdd6c6e3dca0bda5a15f863427b6e"},
+    {file = "mccabe-0.7.0.tar.gz", hash = "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325"},
+]
+
 [[package]]
 name = "mnemonic"
 version = "0.20"
 description = "Implementation of Bitcoin BIP-0039"
-category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -780,7 +770,6 @@ files = [
 name = "mypy"
 version = "0.971"
 description = "Optional static typing for Python"
-category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -812,7 +801,6 @@ files = [
 [package.dependencies]
 mypy-extensions = ">=0.4.3"
 tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
-typed-ast = {version = ">=1.4.0,<2", markers = "python_version < \"3.8\""}
 typing-extensions = ">=3.10"
 
 [package.extras]
@@ -824,7 +812,6 @@ reports = ["lxml"]
 name = "mypy-extensions"
 version = "1.0.0"
 description = "Type system extensions for programs checked with the mypy type checker."
-category = "dev"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -836,7 +823,6 @@ files = [
 name = "outcome"
 version = "1.2.0"
 description = "Capture the outcome of Python function calls."
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -851,7 +837,6 @@ attrs = ">=19.2.0"
 name = "packaging"
 version = "23.1"
 description = "Core utilities for Python packages"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -863,7 +848,6 @@ files = [
 name = "pathspec"
 version = "0.11.1"
 description = "Utility library for gitignore style pattern matching of file paths."
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -875,7 +859,6 @@ files = [
 name = "platformdirs"
 version = "3.9.1"
 description = "A small Python package for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -883,9 +866,6 @@ files = [
     {file = "platformdirs-3.9.1.tar.gz", hash = "sha256:1b42b450ad933e981d56e59f1b97495428c9bd60698baab9f3eb3d00d5822421"},
 ]
 
-[package.dependencies]
-typing-extensions = {version = ">=4.6.3", markers = "python_version < \"3.8\""}
-
 [package.extras]
 docs = ["furo (>=2023.5.20)", "proselint (>=0.13)", "sphinx (>=7.0.1)", "sphinx-autodoc-typehints (>=1.23,!=1.23.4)"]
 test = ["appdirs (==1.4.4)", "covdefaults (>=2.3)", "pytest (>=7.3.1)", "pytest-cov (>=4.1)", "pytest-mock (>=3.10)"]
@@ -894,7 +874,6 @@ test = ["appdirs (==1.4.4)", "covdefaults (>=2.3)", "pytest (>=7.3.1)", "pytest-
 name = "pluggy"
 version = "1.2.0"
 description = "plugin and hook calling mechanisms for python"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -902,9 +881,6 @@ files = [
     {file = "pluggy-1.2.0.tar.gz", hash = "sha256:d12f0c4b579b15f5e054301bb226ee85eeeba08ffec228092f8defbaa3a4c4b3"},
 ]
 
-[package.dependencies]
-importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
-
 [package.extras]
 dev = ["pre-commit", "tox"]
 testing = ["pytest", "pytest-benchmark"]
@@ -913,7 +889,6 @@ testing = ["pytest", "pytest-benchmark"]
 name = "psycopg2-binary"
 version = "2.9.6"
 description = "psycopg2 - Python-PostgreSQL Database Adapter"
-category = "main"
 optional = true
 python-versions = ">=3.6"
 files = [
@@ -981,11 +956,21 @@ files = [
     {file = "psycopg2_binary-2.9.6-cp39-cp39-win_amd64.whl", hash = "sha256:f6a88f384335bb27812293fdb11ac6aee2ca3f51d3c7820fe03de0a304ab6249"},
 ]
 
+[[package]]
+name = "pycodestyle"
+version = "2.10.0"
+description = "Python style guide checker"
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "pycodestyle-2.10.0-py2.py3-none-any.whl", hash = "sha256:8a4eaf0d0495c7395bdab3589ac2db602797d76207242c17d470186815706610"},
+    {file = "pycodestyle-2.10.0.tar.gz", hash = "sha256:347187bdb476329d98f695c213d7295a846d1152ff4fe9bacb8a9590b8ee7053"},
+]
+
 [[package]]
 name = "pycparser"
 version = "2.21"
 description = "C parser in Python"
-category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 files = [
@@ -997,7 +982,6 @@ files = [
 name = "pycryptodomex"
 version = "3.18.0"
 description = "Cryptographic library for Python"
-category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 files = [
@@ -1037,48 +1021,47 @@ files = [
 
 [[package]]
 name = "pydantic"
-version = "1.10.11"
+version = "1.10.12"
 description = "Data validation and settings management using python type hints"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "pydantic-1.10.11-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:ff44c5e89315b15ff1f7fdaf9853770b810936d6b01a7bcecaa227d2f8fe444f"},
-    {file = "pydantic-1.10.11-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:a6c098d4ab5e2d5b3984d3cb2527e2d6099d3de85630c8934efcfdc348a9760e"},
-    {file = "pydantic-1.10.11-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:16928fdc9cb273c6af00d9d5045434c39afba5f42325fb990add2c241402d151"},
-    {file = "pydantic-1.10.11-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:0588788a9a85f3e5e9ebca14211a496409cb3deca5b6971ff37c556d581854e7"},
-    {file = "pydantic-1.10.11-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:e9baf78b31da2dc3d3f346ef18e58ec5f12f5aaa17ac517e2ffd026a92a87588"},
-    {file = "pydantic-1.10.11-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:373c0840f5c2b5b1ccadd9286782852b901055998136287828731868027a724f"},
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 ]
 
 [package.dependencies]
@@ -1088,11 +1071,21 @@ typing-extensions = ">=4.2.0"
 dotenv = ["python-dotenv (>=0.10.4)"]
 email = ["email-validator (>=1.0.3)"]
 
+[[package]]
+name = "pyflakes"
+version = "3.0.1"
+description = "passive checker of Python programs"
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "pyflakes-3.0.1-py2.py3-none-any.whl", hash = "sha256:ec55bf7fe21fff7f1ad2f7da62363d749e2a470500eab1b555334b67aa1ef8cf"},
+    {file = "pyflakes-3.0.1.tar.gz", hash = "sha256:ec8b276a6b60bd80defed25add7e439881c19e64850afd9b346283d4165fd0fd"},
+]
+
 [[package]]
 name = "pysocks"
 version = "1.7.1"
 description = "A Python SOCKS client module. See https://github.com/Anorov/PySocks for more information."
-category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 files = [
@@ -1105,7 +1098,6 @@ files = [
 name = "pytest"
 version = "7.4.0"
 description = "pytest: simple powerful testing with Python"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1116,7 +1108,6 @@ files = [
 [package.dependencies]
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
 exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
-importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 iniconfig = "*"
 packaging = "*"
 pluggy = ">=0.12,<2.0"
@@ -1129,7 +1120,6 @@ testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "no
 name = "pytest-asyncio"
 version = "0.19.0"
 description = "Pytest support for asyncio"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1139,7 +1129,6 @@ files = [
 
 [package.dependencies]
 pytest = ">=6.1.0"
-typing-extensions = {version = ">=3.7.2", markers = "python_version < \"3.8\""}
 
 [package.extras]
 testing = ["coverage (>=6.2)", "flaky (>=3.5.0)", "hypothesis (>=5.7.1)", "mypy (>=0.931)", "pytest-trio (>=0.7.0)"]
@@ -1148,7 +1137,6 @@ testing = ["coverage (>=6.2)", "flaky (>=3.5.0)", "hypothesis (>=5.7.1)", "mypy
 name = "pytest-cov"
 version = "4.1.0"
 description = "Pytest plugin for measuring coverage."
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1167,7 +1155,6 @@ testing = ["fields", "hunter", "process-tests", "pytest-xdist", "six", "virtuale
 name = "python-bitcoinlib"
 version = "0.11.2"
 description = "The Swiss Army Knife of the Bitcoin protocol."
-category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -1177,14 +1164,13 @@ files = [
 
 [[package]]
 name = "python-dotenv"
-version = "0.21.1"
+version = "1.0.0"
 description = "Read key-value pairs from a .env file and set them as environment variables"
-category = "main"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
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+    {file = "python-dotenv-1.0.0.tar.gz", hash = "sha256:a8df96034aae6d2d50a4ebe8216326c61c3eb64836776504fcca410e5937a3ba"},
+    {file = "python_dotenv-1.0.0-py3-none-any.whl", hash = "sha256:f5971a9226b701070a4bf2c38c89e5a3f0d64de8debda981d1db98583009122a"},
 ]
 
 [package.extras]
@@ -1194,7 +1180,6 @@ cli = ["click (>=5.0)"]
 name = "represent"
 version = "1.6.0.post0"
 description = "Create __repr__ automatically or declaratively."
-category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 files = [
@@ -1212,7 +1197,6 @@ test = ["ipython", "mock", "pytest (>=3.0.5)"]
 name = "requests"
 version = "2.31.0"
 description = "Python HTTP for Humans."
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1234,7 +1218,6 @@ use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
 name = "rfc3986"
 version = "1.5.0"
 description = "Validating URI References per RFC 3986"
-category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -1252,7 +1235,6 @@ idna2008 = ["idna"]
 name = "secp256k1"
 version = "0.14.0"
 description = "FFI bindings to libsecp256k1"
-category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -1288,7 +1270,6 @@ cffi = ">=1.3.0"
 name = "setuptools"
 version = "65.7.0"
 description = "Easily download, build, install, upgrade, and uninstall Python packages"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1305,7 +1286,6 @@ testing-integration = ["build[virtualenv]", "filelock (>=3.4.0)", "jaraco.envs (
 name = "six"
 version = "1.16.0"
 description = "Python 2 and 3 compatibility utilities"
-category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 files = [
@@ -1317,7 +1297,6 @@ files = [
 name = "sniffio"
 version = "1.3.0"
 description = "Sniff out which async library your code is running under"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1329,7 +1308,6 @@ files = [
 name = "sqlalchemy"
 version = "1.3.24"
 description = "Database Abstraction Library"
-category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 files = [
@@ -1385,7 +1363,6 @@ pymysql = ["pymysql", "pymysql (<1)"]
 name = "sqlalchemy-aio"
 version = "0.17.0"
 description = "Async support for SQLAlchemy."
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -1407,7 +1384,6 @@ trio = ["trio (>=0.15)"]
 name = "starlette"
 version = "0.19.1"
 description = "The little ASGI library that shines."
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -1426,7 +1402,6 @@ full = ["itsdangerous", "jinja2", "python-multipart", "pyyaml", "requests"]
 name = "tomli"
 version = "2.0.1"
 description = "A lil' TOML parser"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1434,62 +1409,10 @@ files = [
     {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
 ]
 
-[[package]]
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-version = "1.5.5"
-description = "a fork of Python 2 and 3 ast modules with type comment support"
-category = "dev"
-optional = false
-python-versions = ">=3.6"
-files = [
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-    {file = "typed_ast-1.5.5-cp39-cp39-win_amd64.whl", hash = "sha256:335f22ccb244da2b5c296e6f96b06ee9bed46526db0de38d2f0e5a6597b81155"},
-    {file = "typed_ast-1.5.5.tar.gz", hash = "sha256:94282f7a354f36ef5dbce0ef3467ebf6a258e370ab33d5b40c249fa996e590dd"},
-]
-
 [[package]]
 name = "typing-extensions"
 version = "4.7.1"
 description = "Backported and Experimental Type Hints for Python 3.7+"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1499,14 +1422,13 @@ files = [
 
 [[package]]
 name = "urllib3"
-version = "2.0.3"
+version = "2.0.4"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "urllib3-2.0.3-py3-none-any.whl", hash = "sha256:48e7fafa40319d358848e1bc6809b208340fafe2096f1725d05d67443d0483d1"},
-    {file = "urllib3-2.0.3.tar.gz", hash = "sha256:bee28b5e56addb8226c96f7f13ac28cb4c301dd5ea8a6ca179c0b9835e032825"},
+    {file = "urllib3-2.0.4-py3-none-any.whl", hash = "sha256:de7df1803967d2c2a98e4b11bb7d6bd9210474c46e8a0401514e3a42a75ebde4"},
+    {file = "urllib3-2.0.4.tar.gz", hash = "sha256:8d22f86aae8ef5e410d4f539fde9ce6b2113a001bb4d189e0aed70642d602b11"},
 ]
 
 [package.extras]
@@ -1519,7 +1441,6 @@ zstd = ["zstandard (>=0.18.0)"]
 name = "uvicorn"
 version = "0.18.3"
 description = "The lightning-fast ASGI server."
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1530,7 +1451,6 @@ files = [
 [package.dependencies]
 click = ">=7.0"
 h11 = ">=0.8"
-typing-extensions = {version = "*", markers = "python_version < \"3.8\""}
 
 [package.extras]
 standard = ["colorama (>=0.4)", "httptools (>=0.4.0)", "python-dotenv (>=0.13)", "pyyaml (>=5.1)", "uvloop (>=0.14.0,!=0.15.0,!=0.15.1)", "watchfiles (>=0.13)", "websockets (>=10.0)"]
@@ -1539,7 +1459,6 @@ standard = ["colorama (>=0.4)", "httptools (>=0.4.0)", "python-dotenv (>=0.13)",
 name = "websocket-client"
 version = "1.6.1"
 description = "WebSocket client for Python with low level API options"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1556,7 +1475,6 @@ test = ["websockets"]
 name = "wheel"
 version = "0.38.4"
 description = "A built-package format for Python"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -1571,7 +1489,6 @@ test = ["pytest (>=3.0.0)"]
 name = "win32-setctime"
 version = "1.1.0"
 description = "A small Python utility to set file creation time on Windows"
-category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -1584,24 +1501,23 @@ dev = ["black (>=19.3b0)", "pytest (>=4.6.2)"]
 
 [[package]]
 name = "zipp"
-version = "3.15.0"
+version = "3.16.2"
 description = "Backport of pathlib-compatible object wrapper for zip files"
-category = "main"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "zipp-3.15.0-py3-none-any.whl", hash = "sha256:48904fc76a60e542af151aded95726c1a5c34ed43ab4134b597665c86d7ad556"},
-    {file = "zipp-3.15.0.tar.gz", hash = "sha256:112929ad649da941c23de50f356a2b5570c954b65150642bccdd66bf194d224b"},
+    {file = "zipp-3.16.2-py3-none-any.whl", hash = "sha256:679e51dd4403591b2d6838a48de3d283f3d188412a9782faadf845f298736ba0"},
+    {file = "zipp-3.16.2.tar.gz", hash = "sha256:ebc15946aa78bd63458992fc81ec3b6f7b1e92d51c35e6de1c3804e73b799147"},
 ]
 
 [package.extras]
-docs = ["furo", "jaraco.packaging (>=9)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-lint"]
-testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more-itertools", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=1.3)", "pytest-flake8", "pytest-mypy (>=0.9.1)"]
+docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-lint"]
+testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-ignore-flaky", "pytest-mypy (>=0.9.1)", "pytest-ruff"]
 
 [extras]
 pgsql = ["psycopg2-binary"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.7"
-content-hash = "22155a0a398b0cb50e8df08d43c4482aeffcc2e2cfcf2827b2e1daa2c30d8755"
+python-versions = "^3.8.1"
+content-hash = "f3a00adb87135df6d2c6cce6f65f4d616dbfb5501e50e5774e79095301fdb72b"
diff --git a/pyproject.toml b/pyproject.toml
index 8d0b020..7185b1f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = ["calle <callebtc@protonmail.com>"]
 license = "MIT"
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = "^3.8.1"
 requests = "^2.27.1"
 SQLAlchemy = "^1.3.24"
 click = "^8.0.4"
@@ -44,6 +44,7 @@ isort = "^5.10.1"
 pytest-asyncio = "^0.19.0"
 pytest-cov = "^4.0.0"
 pytest = "^7.4.0"
+flake8 = "^6.0.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]
diff --git a/tests/conftest.py b/tests/conftest.py
index cdd0905..a7d4c56 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,6 +1,5 @@
 import multiprocessing
 import os
-import secrets
 import shutil
 import time
 from pathlib import Path
@@ -8,7 +7,6 @@ from pathlib import Path
 import pytest
 import pytest_asyncio
 import uvicorn
-from fastapi import FastAPI
 from uvicorn import Config, Server
 
 from cashu.core.db import Database
@@ -17,9 +15,6 @@ from cashu.core.settings import settings
 from cashu.lightning.fake import FakeWallet
 from cashu.mint import migrations as migrations_mint
 from cashu.mint.ledger import Ledger
-from cashu.wallet import migrations as migrations_wallet
-from cashu.wallet.api.router import router
-from cashu.wallet.wallet import Wallet
 
 SERVER_ENDPOINT = "http://localhost:3337"
 
diff --git a/tests/test_cli.py b/tests/test_cli.py
index dc8b82d..f84223f 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -3,12 +3,9 @@ import asyncio
 import pytest
 from click.testing import CliRunner
 
-from cashu.core.migrations import migrate_databases
 from cashu.core.settings import settings
-from cashu.wallet import migrations
 from cashu.wallet.cli.cli import cli
 from cashu.wallet.wallet import Wallet
-from tests.conftest import SERVER_ENDPOINT, mint
 
 
 @pytest.fixture(autouse=True, scope="session")
@@ -165,7 +162,12 @@ def test_send_without_split_but_wrong_amount(mint, cli_prefix):
 @pytest.mark.asyncio
 def test_receive_tokenv3(mint, cli_prefix):
     runner = CliRunner()
-    token = "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIjFjQ05JQVoyWC93MSIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIld6TEF2VW53SDlRaFYwQU1rMy1oYWciLCAiQyI6ICIwMmZlMzUxYjAyN2FlMGY1ZDkyN2U2ZjFjMTljMjNjNTc3NzRhZTI2M2UyOGExN2E2MTUxNjY1ZjU3NWNhNjMyNWMifSwgeyJpZCI6ICIxY0NOSUFaMlgvdzEiLCAiYW1vdW50IjogOCwgInNlY3JldCI6ICJDamFTeTcyR2dVOGwzMGV6bE5zZnVBIiwgIkMiOiAiMDNjMzM0OTJlM2ZlNjI4NzFhMWEzMDhiNWUyYjVhZjBkNWI1Mjk5YzI0YmVkNDI2ZjQ1YzZmNDg5N2QzZjc4NGQ5In1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzcifV19"
+    token = (
+        "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIjFjQ05JQVoyWC93MSIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIld6TEF2VW53SDlRaFYwQU1rMy1oYWciLC"
+        "AiQyI6ICIwMmZlMzUxYjAyN2FlMGY1ZDkyN2U2ZjFjMTljMjNjNTc3NzRhZTI2M2UyOGExN2E2MTUxNjY1ZjU3NWNhNjMyNWMifSwgeyJpZCI6ICIxY0NOSUFaMlgvdzEiLCAiYW"
+        "1vdW50IjogOCwgInNlY3JldCI6ICJDamFTeTcyR2dVOGwzMGV6bE5zZnVBIiwgIkMiOiAiMDNjMzM0OTJlM2ZlNjI4NzFhMWEzMDhiNWUyYjVhZjBkNWI1Mjk5YzI0YmVkNDI2Zj"
+        "Q1YzZmNDg5N2QzZjc4NGQ5In1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzcifV19"
+    )
     result = runner.invoke(
         cli,
         [
@@ -184,7 +186,12 @@ def test_receive_tokenv3_no_mint(mint, cli_prefix):
     # this test works only if the previous test succeeds because we simulate the case where the mint URL is not in the token
     # therefore, we need to know the mint keyset already and have the mint URL in the db
     runner = CliRunner()
-    token = "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIjFjQ05JQVoyWC93MSIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIi1oM0ZXMFFoX1FYLW9ac1V2c0RuNlEiLCAiQyI6ICIwMzY5Mzc4MzdlYjg5ZWI4NjMyNWYwOWUyOTIxMWQxYTI4OTRlMzQ2YmM1YzQwZTZhMThlNTk5ZmVjNjEwOGRmMGIifSwgeyJpZCI6ICIxY0NOSUFaMlgvdzEiLCAiYW1vdW50IjogOCwgInNlY3JldCI6ICI3d0VhNUgzZGhSRGRNZl94c1k3c3JnIiwgIkMiOiAiMDJiZmZkM2NlZDkxNjUyMzcxMDg2NjQxMzJiMjgxYjBhZjY1ZTNlZWVkNTY3MmFkZjM0Y2VhNzE5ODhhZWM1NWI1In1dfV19"
+    token = (
+        "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIjFjQ05JQVoyWC93MSIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIi1oM0ZXMFFoX1FYLW9ac1V2c0RuNlEiLC"
+        "AiQyI6ICIwMzY5Mzc4MzdlYjg5ZWI4NjMyNWYwOWUyOTIxMWQxYTI4OTRlMzQ2YmM1YzQwZTZhMThlNTk5ZmVjNjEwOGRmMGIifSwgeyJpZCI6ICIxY0NOSUFaMlgvdzEiLCAiYW"
+        "1vdW50IjogOCwgInNlY3JldCI6ICI3d0VhNUgzZGhSRGRNZl94c1k3c3JnIiwgIkMiOiAiMDJiZmZkM2NlZDkxNjUyMzcxMDg2NjQxMzJiMjgxYjBhZjY1ZTNlZWVkNTY3MmFkZj"
+        "M0Y2VhNzE5ODhhZWM1NWI1In1dfV19"
+    )
     result = runner.invoke(
         cli,
         [
@@ -201,7 +208,12 @@ def test_receive_tokenv3_no_mint(mint, cli_prefix):
 @pytest.mark.asyncio
 def test_receive_tokenv2(mint, cli_prefix):
     runner = CliRunner()
-    token = "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"
+    token = (
+        "eyJwcm9vZnMiOiBbeyJpZCI6ICIxY0NOSUFaMlgvdzEiLCAiYW1vdW50IjogMiwgInNlY3JldCI6ICJhUmREbzlFdW9yZUVfOW90enRNVVpnIiwgIkMiOiAiMDNhMzY5ZmUy"
+        "N2IxYmVmOTg4MzA3NDQyN2RjMzc1NmU0NThlMmMwYjQ1NWMwYmVmZGM4ZjVmNTA3YmM5MGQxNmU3In0sIHsiaWQiOiAiMWNDTklBWjJYL3cxIiwgImFtb3VudCI6IDgsICJzZWNy"
+        "ZXQiOiAiTEZQbFp6Ui1MWHFfYXFDMGhUeDQyZyIsICJDIjogIjAzNGNiYzQxYWY0ODIxMGFmNjVmYjVjOWIzOTNkMjhmMmQ5ZDZhOWE5MzI2YmI3MzQ2YzVkZmRmMTU5MDk1MzI2"
+        "YyJ9XSwgIm1pbnRzIjogW3sidXJsIjogImh0dHA6Ly9sb2NhbGhvc3Q6MzMzNyIsICJpZHMiOiBbIjFjQ05JQVoyWC93MSJdfV19"
+    )
     result = runner.invoke(
         cli,
         [*cli_prefix, "receive", token],
@@ -214,7 +226,11 @@ def test_receive_tokenv2(mint, cli_prefix):
 @pytest.mark.asyncio
 def test_receive_tokenv1(mint, cli_prefix):
     runner = CliRunner()
-    token = "W3siaWQiOiAiMWNDTklBWjJYL3cxIiwgImFtb3VudCI6IDIsICJzZWNyZXQiOiAiRnVsc2dzMktQV1FMcUlLX200SzgwQSIsICJDIjogIjAzNTc4OThlYzlhMjIxN2VhYWIxZDc3YmM1Mzc2OTUwMjJlMjU2YTljMmMwNjc0ZDJlM2FiM2JiNGI0ZDMzMWZiMSJ9LCB7ImlkIjogIjFjQ05JQVoyWC93MSIsICJhbW91bnQiOiA4LCAic2VjcmV0IjogInJlRDBDazVNS2xBTUQ0dWk2OEtfbEEiLCAiQyI6ICIwMjNkODNkNDE0MDU0NWQ1NTg4NjUyMzU5YjJhMjFhODljODY1ZGIzMzAyZTkzMTZkYTM5NjA0YTA2ZDYwYWQzOGYifV0="
+    token = (
+        "W3siaWQiOiAiMWNDTklBWjJYL3cxIiwgImFtb3VudCI6IDIsICJzZWNyZXQiOiAiRnVsc2dzMktQV1FMcUlLX200SzgwQSIsICJDIjogIjAzNTc4OThlYzlhMjIxN2VhYWIx"
+        "ZDc3YmM1Mzc2OTUwMjJlMjU2YTljMmMwNjc0ZDJlM2FiM2JiNGI0ZDMzMWZiMSJ9LCB7ImlkIjogIjFjQ05JQVoyWC93MSIsICJhbW91bnQiOiA4LCAic2VjcmV0IjogInJlRDBD"
+        "azVNS2xBTUQ0dWk2OEtfbEEiLCAiQyI6ICIwMjNkODNkNDE0MDU0NWQ1NTg4NjUyMzU5YjJhMjFhODljODY1ZGIzMzAyZTkzMTZkYTM5NjA0YTA2ZDYwYWQzOGYifV0="
+    )
     result = runner.invoke(
         cli,
         [*cli_prefix, "receive", token],
diff --git a/tests/test_core.py b/tests/test_core.py
index d95506d..5a46d16 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -10,25 +10,46 @@ def test_get_output_split():
 
 
 def test_tokenv3_get_amount():
-    token_str = "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIkplaFpMVTZuQ3BSZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIjBFN2lDazRkVmxSZjVQRjFnNFpWMnciLCAiQyI6ICIwM2FiNTgwYWQ5NTc3OGVkNTI5NmY4YmVlNjU1ZGJkN2Q2NDJmNWQzMmRlOGUyNDg0NzdlMGI0ZDZhYTg2M2ZjZDUifSwgeyJpZCI6ICJKZWhaTFU2bkNwUmQiLCAiYW1vdW50IjogOCwgInNlY3JldCI6ICJzNklwZXh3SGNxcXVLZDZYbW9qTDJnIiwgIkMiOiAiMDIyZDAwNGY5ZWMxNmE1OGFkOTAxNGMyNTliNmQ2MTRlZDM2ODgyOWYwMmMzODc3M2M0NzIyMWY0OTYxY2UzZjIzIn1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzgifV19"
+    token_str = (
+        "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIkplaFpMVTZuQ3BSZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIjBFN2lDazRkVmxSZjVQRjFnNFpWMnci"
+        "LCAiQyI6ICIwM2FiNTgwYWQ5NTc3OGVkNTI5NmY4YmVlNjU1ZGJkN2Q2NDJmNWQzMmRlOGUyNDg0NzdlMGI0ZDZhYTg2M2ZjZDUifSwgeyJpZCI6ICJKZWhaTFU2bkNwUmQiLCAiYW"
+        "1vdW50IjogOCwgInNlY3JldCI6ICJzNklwZXh3SGNxcXVLZDZYbW9qTDJnIiwgIkMiOiAiMDIyZDAwNGY5ZWMxNmE1OGFkOTAxNGMyNTliNmQ2MTRlZDM2ODgyOWYwMmMzODc3M2M0"
+        "NzIyMWY0OTYxY2UzZjIzIn1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzgifV19"
+    )
     token = TokenV3.deserialize(token_str)
     assert token.get_amount() == 10
 
 
 def test_tokenv3_get_proofs():
-    token_str = "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIkplaFpMVTZuQ3BSZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIjBFN2lDazRkVmxSZjVQRjFnNFpWMnciLCAiQyI6ICIwM2FiNTgwYWQ5NTc3OGVkNTI5NmY4YmVlNjU1ZGJkN2Q2NDJmNWQzMmRlOGUyNDg0NzdlMGI0ZDZhYTg2M2ZjZDUifSwgeyJpZCI6ICJKZWhaTFU2bkNwUmQiLCAiYW1vdW50IjogOCwgInNlY3JldCI6ICJzNklwZXh3SGNxcXVLZDZYbW9qTDJnIiwgIkMiOiAiMDIyZDAwNGY5ZWMxNmE1OGFkOTAxNGMyNTliNmQ2MTRlZDM2ODgyOWYwMmMzODc3M2M0NzIyMWY0OTYxY2UzZjIzIn1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzgifV19"
+    token_str = (
+        "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIkplaFpMVTZuQ3BSZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIjBFN2lDazRkVmxSZjVQRjFnNFpWMnci"
+        "LCAiQyI6ICIwM2FiNTgwYWQ5NTc3OGVkNTI5NmY4YmVlNjU1ZGJkN2Q2NDJmNWQzMmRlOGUyNDg0NzdlMGI0ZDZhYTg2M2ZjZDUifSwgeyJpZCI6ICJKZWhaTFU2bkNwUmQiLCAiYW"
+        "1vdW50IjogOCwgInNlY3JldCI6ICJzNklwZXh3SGNxcXVLZDZYbW9qTDJnIiwgIkMiOiAiMDIyZDAwNGY5ZWMxNmE1OGFkOTAxNGMyNTliNmQ2MTRlZDM2ODgyOWYwMmMzODc3M2M0"
+        "NzIyMWY0OTYxY2UzZjIzIn1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzgifV19"
+    )
     token = TokenV3.deserialize(token_str)
     assert len(token.get_proofs()) == 2
 
 
 def test_tokenv3_deserialize_serialize():
-    token_str = "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIkplaFpMVTZuQ3BSZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIjBFN2lDazRkVmxSZjVQRjFnNFpWMnciLCAiQyI6ICIwM2FiNTgwYWQ5NTc3OGVkNTI5NmY4YmVlNjU1ZGJkN2Q2NDJmNWQzMmRlOGUyNDg0NzdlMGI0ZDZhYTg2M2ZjZDUifSwgeyJpZCI6ICJKZWhaTFU2bkNwUmQiLCAiYW1vdW50IjogOCwgInNlY3JldCI6ICJzNklwZXh3SGNxcXVLZDZYbW9qTDJnIiwgIkMiOiAiMDIyZDAwNGY5ZWMxNmE1OGFkOTAxNGMyNTliNmQ2MTRlZDM2ODgyOWYwMmMzODc3M2M0NzIyMWY0OTYxY2UzZjIzIn1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzgifV19"
+    token_str = (
+        "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIkplaFpMVTZuQ3BSZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIjBFN2lDazRkVmxSZjVQRjFnNFpWMnci"
+        "LCAiQyI6ICIwM2FiNTgwYWQ5NTc3OGVkNTI5NmY4YmVlNjU1ZGJkN2Q2NDJmNWQzMmRlOGUyNDg0NzdlMGI0ZDZhYTg2M2ZjZDUifSwgeyJpZCI6ICJKZWhaTFU2bkNwUmQiLCAiYW"
+        "1vdW50IjogOCwgInNlY3JldCI6ICJzNklwZXh3SGNxcXVLZDZYbW9qTDJnIiwgIkMiOiAiMDIyZDAwNGY5ZWMxNmE1OGFkOTAxNGMyNTliNmQ2MTRlZDM2ODgyOWYwMmMzODc3M2M0"
+        "NzIyMWY0OTYxY2UzZjIzIn1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzgifV19"
+    )
     token = TokenV3.deserialize(token_str)
     assert token.serialize() == token_str
 
 
 def test_tokenv3_deserialize_with_memo():
-    token_str = "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"
+    token_str = (
+        "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIkplaFpMVTZuQ3BSZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogIjBFN2lDazRkVmxSZjV"
+        "QRjFnNFpWMnciLCAiQyI6ICIwM2FiNTgwYWQ5NTc3OGVkNTI5NmY4YmVlNjU1ZGJkN2Q2NDJmNWQzMmRlOGUyNDg0NzdlMGI0ZDZhYTg2M2ZjZDUifSwg"
+        "eyJpZCI6ICJKZWhaTFU2bkNwUmQiLCAiYW1vdW50IjogOCwgInNlY3JldCI6ICJzNklwZXh3SGNxcXVLZDZYbW9qTDJnIiwgIkMiOiAiMDIyZDAwNGY5Z"
+        "WMxNmE1OGFkOTAxNGMyNTliNmQ2MTRlZDM2ODgyOWYwMmMzODc3M2M0NzIyMWY0OTYxY2UzZjIzIn1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0Oj"
+        "MzMzgifV0sICJtZW1vIjogIlRlc3QgbWVtbyJ9"
+    )
     token = TokenV3.deserialize(token_str)
     assert token.serialize() == token_str
     assert token.memo == "Test memo"
diff --git a/tests/test_crypto.py b/tests/test_crypto.py
index 2628b16..9afc5bb 100644
--- a/tests/test_crypto.py
+++ b/tests/test_crypto.py
@@ -1,5 +1,3 @@
-import pytest
-
 from cashu.core.crypto.b_dhke import hash_to_curve, step1_alice, step2_bob, step3_alice
 from cashu.core.crypto.secp import PrivateKey, PublicKey
 
diff --git a/tests/test_mint.py b/tests/test_mint.py
index 03c6182..1be52a1 100644
--- a/tests/test_mint.py
+++ b/tests/test_mint.py
@@ -5,13 +5,10 @@ import pytest
 from cashu.core.base import BlindedMessage, Proof
 from cashu.core.crypto.b_dhke import step1_alice
 from cashu.core.helpers import calculate_number_of_blank_outputs
-from cashu.core.migrations import migrate_databases
-
-SERVER_ENDPOINT = "http://localhost:3338"
-
 from cashu.core.settings import settings
 from cashu.mint.ledger import Ledger
-from tests.conftest import ledger
+
+SERVER_ENDPOINT = "http://localhost:3338"
 
 
 async def assert_err(f, msg):
diff --git a/tests/test_mint_api.py b/tests/test_mint_api.py
index 3f5e9e7..e62459d 100644
--- a/tests/test_mint_api.py
+++ b/tests/test_mint_api.py
@@ -1,15 +1,9 @@
-import asyncio
-import json
-
 import pytest
-import pytest_asyncio
 import requests
 
 from cashu.core.base import CheckSpendableRequest, CheckSpendableResponse, Proof
-from cashu.core.settings import settings
-from tests.conftest import ledger
 
-BASE_URL = f"http://localhost:3337"
+BASE_URL = "http://localhost:3337"
 
 
 @pytest.mark.asyncio
diff --git a/tests/test_wallet.py b/tests/test_wallet.py
index 8559c56..fdcf664 100644
--- a/tests/test_wallet.py
+++ b/tests/test_wallet.py
@@ -1,35 +1,19 @@
-import asyncio
 import shutil
-import time
 from pathlib import Path
 from typing import Dict, List, Union
 
 import pytest
 import pytest_asyncio
-from mnemonic import Mnemonic
 
-from cashu.core.base import Proof, Secret, SecretKind, Tags
+from cashu.core.base import Proof
 from cashu.core.crypto.secp import PrivateKey, PublicKey
-from cashu.core.errors import (
-    CashuError,
-    InvoiceNotPaidError,
-    KeysetError,
-    KeysetNotFoundError,
-    LightningError,
-    NoSecretInProofsError,
-    NotAllowedError,
-    SecretTooLongError,
-    TokenAlreadySpentError,
-    TransactionError,
-)
-from cashu.core.helpers import async_unwrap, sum_proofs
-from cashu.core.migrations import migrate_databases
+from cashu.core.errors import CashuError, KeysetNotFoundError
+from cashu.core.helpers import sum_proofs
 from cashu.core.settings import settings
-from cashu.wallet import migrations
 from cashu.wallet.wallet import Wallet
 from cashu.wallet.wallet import Wallet as Wallet1
 from cashu.wallet.wallet import Wallet as Wallet2
-from tests.conftest import SERVER_ENDPOINT, mint
+from tests.conftest import SERVER_ENDPOINT
 
 
 async def assert_err(f, msg: Union[str, CashuError]):
@@ -240,7 +224,7 @@ async def test_double_spend(wallet1: Wallet):
     await wallet1.split(wallet1.proofs, 20)
     await assert_err(
         wallet1.split(doublespend, 20),
-        f"Mint Error: Token already spent.",
+        "Mint Error: Token already spent.",
     )
     assert wallet1.balance == 64
     assert wallet1.available_balance == 64
diff --git a/tests/test_wallet_api.py b/tests/test_wallet_api.py
index 6bd13ae..bda4868 100644
--- a/tests/test_wallet_api.py
+++ b/tests/test_wallet_api.py
@@ -1,15 +1,11 @@
-import asyncio
-
 import pytest
 import pytest_asyncio
 from fastapi.testclient import TestClient
 
-from cashu.core.migrations import migrate_databases
 from cashu.core.settings import settings
-from cashu.wallet import migrations
 from cashu.wallet.api.app import app
 from cashu.wallet.wallet import Wallet
-from tests.conftest import SERVER_ENDPOINT, mint
+from tests.conftest import SERVER_ENDPOINT
 
 
 @pytest_asyncio.fixture(scope="function")
diff --git a/tests/test_wallet_p2pk.py b/tests/test_wallet_p2pk.py
index 5c9ba80..e92a850 100644
--- a/tests/test_wallet_p2pk.py
+++ b/tests/test_wallet_p2pk.py
@@ -6,16 +6,14 @@ from typing import List
 import pytest
 import pytest_asyncio
 
-from cashu.core.base import Proof, Secret, SecretKind, SigFlags, Tags
+from cashu.core.base import Proof, SigFlags, Tags
 from cashu.core.crypto.secp import PrivateKey, PublicKey
-from cashu.core.helpers import async_unwrap, sum_proofs
 from cashu.core.migrations import migrate_databases
-from cashu.core.settings import settings
 from cashu.wallet import migrations
 from cashu.wallet.wallet import Wallet
 from cashu.wallet.wallet import Wallet as Wallet1
 from cashu.wallet.wallet import Wallet as Wallet2
-from tests.conftest import SERVER_ENDPOINT, mint
+from tests.conftest import SERVER_ENDPOINT
 
 
 async def assert_err(f, msg):
@@ -144,7 +142,7 @@ async def test_p2pk_locktime_with_refund_pubkey(wallet1: Wallet, wallet2: Wallet
 @pytest.mark.asyncio
 async def test_p2pk_locktime_with_wrong_refund_pubkey(wallet1: Wallet, wallet2: Wallet):
     await wallet1.mint(64)
-    pubkey_wallet2 = await wallet2.create_p2pk_pubkey()  # receiver side
+    await wallet2.create_p2pk_pubkey()  # receiver side
     # sender side
     garbage_pubkey = PrivateKey().pubkey
     garbage_pubkey_2 = PrivateKey().pubkey
@@ -275,7 +273,7 @@ async def test_p2pk_multisig_with_wrong_first_private_key(
     wallet1: Wallet, wallet2: Wallet
 ):
     await wallet1.mint(64)
-    pubkey_wallet1 = await wallet1.create_p2pk_pubkey()
+    await wallet1.create_p2pk_pubkey()
     pubkey_wallet2 = await wallet2.create_p2pk_pubkey()
     wrong_pubklic_key = PrivateKey().pubkey
     assert wrong_pubklic_key
diff --git a/tests/test_wallet_p2sh.py b/tests/test_wallet_p2sh.py
index 7d4724f..ebfe2a1 100644
--- a/tests/test_wallet_p2sh.py
+++ b/tests/test_wallet_p2sh.py
@@ -1,21 +1,18 @@
-import asyncio
-import copy
 import secrets
 from typing import List
 
 import pytest
 import pytest_asyncio
 
-from cashu.core.base import Proof, Secret, SecretKind, Tags
+from cashu.core.base import Proof
 from cashu.core.crypto.secp import PrivateKey, PublicKey
-from cashu.core.helpers import async_unwrap, sum_proofs
+from cashu.core.helpers import sum_proofs
 from cashu.core.migrations import migrate_databases
-from cashu.core.settings import settings
 from cashu.wallet import migrations
 from cashu.wallet.wallet import Wallet
 from cashu.wallet.wallet import Wallet as Wallet1
 from cashu.wallet.wallet import Wallet as Wallet2
-from tests.conftest import SERVER_ENDPOINT, mint
+from tests.conftest import SERVER_ENDPOINT
 
 
 async def assert_err(f, msg):