[Mint] Synthetic USD E-Cash with LNMarketsWallet

.env.example

@@ -108,6 +108,13 @@ MINT_BLINK_KEY=blink_abcdefgh
 # Use with StrikeWallet for BTC, USD, and EUR
 MINT_STRIKE_KEY=ABC123
 
+# Use with LNMarketsWallet for USD
+# you can also specify paths from which `ACCESS_KEY`, `SECRET` and `PASSPHRASE` will be read
+MINT_LNMARKETS_REST_URL="https://api.lnmarkets.com"
+MINT_LNMARKETS_REST_ACCESS_KEY="<YOUR_API_ACCESS_KEY>"
+MINT_LNMARKETS_REST_SECRET="<YOUR_API_SECRET>"
+MINT_LNMARKETS_REST_PASSPHRASE="<YOUR_API_PASSPHRASE>"
+
 # fee to reserve in percent of the amount
 LIGHTNING_FEE_PERCENT=1.0
 # minimum fee to reserve

cashu/core/settings.py

@@ -230,13 +230,20 @@ class CoreLightningRestFundingSource(MintSettings):
     mint_corelightning_rest_macaroon: Optional[str] = Field(default=None)
     mint_corelightning_rest_cert: Optional[str] = Field(default=None)
 
+class LNMarketsRestFundingSource(MintSettings):
+    mint_lnmarkets_rest_url: Optional[str] = Field(default=None)
+    mint_lnmarkets_rest_access_key: Optional[str] = Field(default=None)
+    mint_lnmarkets_rest_passphrase: Optional[str] = Field(default=None)
+    mint_lnmarkets_rest_secret: Optional[str] = Field(default=None)
+
 
 class Settings(
     EnvSettings,
     LndRPCFundingSource,
     LndRestFundingSource,
     CoreLightningRestFundingSource,
     CLNRestFundingSource,
+    LNMarketsRestFundingSource,
     FakeWalletSettings,
     MintLimits,
     MintBackends,

cashu/lightning/__init__.py

@@ -7,6 +7,7 @@
 from .lnbits import LNbitsWallet  # noqa: F401
 from .lnd_grpc.lnd_grpc import LndRPCWallet  # noqa: F401
 from .lndrest import LndRestWallet  # noqa: F401
+from .lnmarkets import LNMarketsWallet  # noqa: F401
 from .strike import StrikeWallet  # noqa: F401
 
 backend_settings = [