Blind authentication (#675)

* auth server

* cleaning up

* auth ledger class

* class variables -> instance variables

* annotations

* add models and api route

* custom amount and api prefix

* add auth db

* blind auth token working

* jwt working

* clean up

* JWT works

* using openid connect server

* use oauth server with password flow

* new realm

* add keycloak docker

* hopefully not garbage

* auth works

* auth kinda working

* fix cli

* auth works for send and receive

* pass auth_db to Wallet

* auth in info

* refactor

* fix supported

* cache mint info

* fix settings and endpoints

* add description to .env.example

* track changes for openid connect client

* store mint in db

* store credentials

* clean up v1_api.py

* load mint info into auth wallet

* fix first login

* authenticate if refresh token fails

* clear auth also middleware

* use regex

* add cli command

* pw works

* persist keyset amounts

* add errors.py

* do not start auth server if disabled in config

* upadte poetry

* disvoery url

* fix test

* support device code flow

* adopt latest spec changes

* fix code flow

* mint max bat dynamic

* mypy ignore

* fix test

* do not serialize amount in authproof

* all auth flows working

* fix tests

* submodule

* refactor

* test

* dont sleep

* test

* add wallet auth tests

* test differently

* test only keycloak for now

* fix creds

* daemon

* fix test

* install everything

* install jinja

* delete wallet for every test

* auth: use global rate limiter

* test auth rate limit

* keycloak hostname

* move keycloak test data

* reactivate all tests

* add readme

* load proofs

* remove unused code

* remove unused code

* implement change suggestions by ok300

* add error codes

* test errors

cashu/mint/protocols.py

@@ -1,6 +1,7 @@
 from typing import Dict, Mapping, Protocol
 
 from ..core.base import Method, MintKeyset, Unit
+from ..core.crypto.secp import PublicKey
 from ..core.db import Database
 from ..lightning.base import LightningBackend
 from ..mint.crud import LedgerCrud
@@ -18,6 +19,10 @@ class SupportsBackends(Protocol):
     backends: Mapping[Method, Mapping[Unit, LightningBackend]] = {}
 
 
+class SupportsPubkey(Protocol):
+    pubkey: PublicKey
+
+
 class SupportsDb(Protocol):
     db: Database
     db_read: DbReadHelper