use MINT_BACKEND_BOLT11_SAT everywhere

.github/workflows/tests.yml

@@ -49,7 +49,7 @@ jobs:
           poetry-version: ${{ inputs.poetry-version }}
       - name: Run tests
         env:
-          MINT_LIGHTNING_BACKEND: FakeWallet
+          MINT_BACKEND_BOLT11_SAT: FakeWallet
           WALLET_NAME: test_wallet
           MINT_HOST: localhost
           MINT_PORT: 3337

Makefile

@@ -30,7 +30,7 @@ test:
 test-lndrest:
 	PYTHONUNBUFFERED=1 \
 	DEBUG=true \
-	MINT_LIGHTNING_BACKEND=LndRestWallet \
+	MINT_BACKEND_BOLT11_SAT=LndRestWallet \
 	MINT_LND_REST_ENDPOINT=https://localhost:8081/ \
 	MINT_LND_REST_CERT=../cashu-regtest-enviroment/data/lnd-3/tls.cert \
 	MINT_LND_REST_MACAROON=../cashu-regtest-enviroment/data/lnd-3/data/chain/bitcoin/regtest/admin.macaroon \

README.md

@@ -7,7 +7,7 @@
 
 *Disclaimer: The author is NOT a cryptographer and this work has not been reviewed. This means that there is very likely a fatal flaw somewhere. Cashu is still experimental and not production-ready.*
 
-Cashu is an Ecash implementation based on David Wagner's variant of Chaumian blinding ([protocol specs](https://github.com/cashubtc/nuts)). Token logic based on [minicash](https://github.com/phyro/minicash) ([description](https://gist.github.com/phyro/935badc682057f418842c72961cf096c)) which implements a [Blind Diffie-Hellman Key Exchange](https://cypherpunks.venona.com/date/1996/03/msg01848.html) scheme written down [here](https://gist.github.com/RubenSomsen/be7a4760dd4596d06963d67baf140406). The database mechanics in Cashu Nutshell and the Lightning backend uses parts from [LNbits](https://github.com/lnbits/lnbits-legend).
+Cashu is an Ecash implementation based on David Wagner's variant of Chaumian blinding ([protocol specs](https://github.com/cashubtc/nuts)). Token logic based on [minicash](https://github.com/phyro/minicash) ([description](https://gist.github.com/phyro/935badc682057f418842c72961cf096c)) which implements a [Blind Diffie-Hellman Key Exchange](https://cypherpunks.venona.com/date/1996/03/msg01848.html) scheme written down [here](https://gist.github.com/RubenSomsen/be7a4760dd4596d06963d67baf140406).
 
 <p align="center">
 <a href="#the-cashu-protocol">Cashu protocol</a> ·
@@ -169,12 +169,19 @@ You can find the API docs at [http://localhost:4448/docs](http://localhost:4448/
 # Running a mint
 This command runs the mint on your local computer. Skip this step if you want to use the [public test mint](#test-instance) instead.
 
-Before you can run your own mint, make sure to enable a Lightning backend in `MINT_LIGHTNING_BACKEND` and set `MINT_PRIVATE_KEY` in your `.env` file.
+## Docker
+
+```
+docker run -d -p 3338:3338 --name nutshell -e MINT_BACKEND_BOLT11_SAT=FakeWallet -e MINT_LISTEN_HOST=0.0.0.0 -e MINT_LISTEN_PORT=3338 -e MINT_PRIVATE_KEY=TEST_PRIVATE_KEY cashubtc/nutshell:0.15.2 poetry run mint
+```
+
+## From this repository
+Before you can run your own mint, make sure to enable a Lightning backend in `MINT_BACKEND_BOLT11_SAT` and set `MINT_PRIVATE_KEY` in your `.env` file.
 ```bash
 poetry run mint
 ```
 
-For testing, you can use Nutshell without a Lightning backend by setting `MINT_LIGHTNING_BACKEND=FakeWallet` in the `.env` file.
+For testing, you can use Nutshell without a Lightning backend by setting `MINT_BACKEND_BOLT11_SAT=FakeWallet` in the `.env` file.
 
 
 # Running tests
@@ -185,7 +192,7 @@ poetry install --with dev
 
 Then, make sure to set up your mint's `.env` file to use a fake Lightning backend and disable Tor:
 ```bash
-MINT_LIGHTNING_BACKEND=FakeWallet
+MINT_BACKEND_BOLT11_SAT=FakeWallet
 TOR=FALSE
 ```
 You can run the tests with

cashu/core/settings.py

@@ -56,7 +56,7 @@ class MintSettings(CashuSettings):
     mint_listen_host: str = Field(default="127.0.0.1")
     mint_listen_port: int = Field(default=3338)
 
-    mint_lightning_backend: str = Field(default="")
+    mint_lightning_backend: str = Field(default="")  # deprecated
     mint_backend_bolt11_sat: str = Field(default="")
     mint_backend_bolt11_usd: str = Field(default="")
 

cashu/lightning/__init__.py

@@ -7,5 +7,5 @@
 from .lndrest import LndRestWallet  # noqa: F401
 from .strike import StrikeUSDWallet  # noqa: F401
 
-if settings.mint_lightning_backend is None:
-    raise Exception("MINT_LIGHTNING_BACKEND not configured")
+if settings.mint_backend_bolt11_sat is None or settings.mint_backend_bolt11_usd is None:
+    raise Exception("MINT_BACKEND_BOLT11_SAT or MINT_BACKEND_BOLT11_USD not set")

docker-compose.yaml

@@ -8,7 +8,7 @@ services:
     ports:
       - "3338:3338"
     environment:
-      - MINT_LIGHTNING_BACKEND=FakeWallet
+      - MINT_BACKEND_BOLT11_SAT=FakeWallet
       - MINT_LISTEN_HOST=0.0.0.0
       - MINT_LISTEN_PORT=3338
       - MINT_PRIVATE_KEY=TEST_PRIVATE_KEY

tests/helpers.py

@@ -25,7 +25,7 @@ async def get_random_invoice_data():
 
 
 wallets_module = importlib.import_module("cashu.lightning")
-wallet_class = getattr(wallets_module, settings.mint_lightning_backend)
+wallet_class = getattr(wallets_module, settings.mint_backend_bolt11_sat)
 WALLET = wallet_class()
 is_fake: bool = WALLET.__class__.__name__ == "FakeWallet"
 is_regtest: bool = not is_fake