Mint: Add clnrest.py Lightning backend (#551)

* log cln error

* return a string

* update corelightningrest to work with latest ver using rune

* fix mpp spec and backend support check

* refactor validation in ledger

* remove weird error

* fix mpp melt model

* corelightningrest.py: Added Multi-Mint payout support
lndrest.py: fix `quote.amount` is not always in sats + better checks

* small fix

* Fix quote.unit str2unit conversion + add missing imports

* settings enable mpp corelightning (default false)

* small fix

* fix `paid_invoice_stream`

* make format

* handle runes

* load rune

* rename to MINT_CORELIGHTNING_REST_RUNE

* try without cert

* port

* try except callback dispatcher

* clean up cln-rest streaming parser

* conftest: mint_corelightning_enable_mpp

* enable mpp in regtest.yaml

* fix error handling clnrest, remove lndrest changes

* CLNRest + CoreLightningRest

* clean up corelightningrest and get last index before starting the stream

* clean up

---------

Co-authored-by: callebtc <93376500+callebtc@users.noreply.github.com>
Co-authored-by: Richard Bensberg <r@coinbatsu.com>

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
         python-version: ["3.10"]
         poetry-version: ["1.7.1"]
         backend-wallet-class:
-          ["LndRestWallet", "CoreLightningRestWallet", "LNbitsWallet"]
+          ["LndRestWallet", "CLNRestWallet", "CoreLightningRestWallet", "LNbitsWallet"]
         # mint-database: ["./test_data/test_mint", "postgres://cashu:cashu@localhost:5432/cashu"]
         mint-database: ["./test_data/test_mint"]
     with:

.github/workflows/regtest.yml

@@ -70,10 +70,15 @@ jobs:
           #   LND_GRPC_PORT: 10009
           #   LND_GRPC_CERT: ./regtest/data/lnd-3/tls.cert
           #   LND_GRPC_MACAROON: ./regtest/data/lnd-3/data/chain/bitcoin/regtest/admin.macaroon
-          #   CORELIGHTNING_RPC: ./regtest/data/clightning-1/regtest/lightning-rpc
+          # CoreLightningRestWallet
           MINT_CORELIGHTNING_REST_URL: https://localhost:3001
           MINT_CORELIGHTNING_REST_MACAROON: ./regtest/data/clightning-2-rest/access.macaroon
           MINT_CORELIGHTNING_REST_CERT: ./regtest/data/clightning-2-rest/certificate.pem
+          # CLNRestWallet
+          MINT_CLNREST_URL: https://localhost:3010
+          MINT_CLNREST_RUNE: ./regtest/data/clightning-2/rune
+          MINT_CLNREST_CERT: ./regtest/data/clightning-2/regtest/ca.pem
+          MINT_CLNENABLE_MPP: false
         run: |
           sudo chmod -R 777 .
           make test