Wallet: Lightning interface (#318)

* mint does not start yet

* fix import

* revert mint db migrations

* handle zero fee case

* cli: adjust fee message

* wallet: replace requests with httpx

* clean up

* rename http client decorator

* fix pending check in main, todo: TEST PROXIES WITH HTTPX

* fix up

* use httpx for nostr as well

* update packages to same versions as https://github.com/lnbits/lnbits/pull/1609/files

* fix proof deserialization

* check for string

* tests passing

* adjust wallet api tests

* lockfile

* add correct responses to Lightning interface and delete melt_id for proofs for which the payent has failed

* fix create_invoice checking_id response

* migrations atomic

* proofs are stored automatically when created

* make format

* use bolt11 lib

* stricter type checking

* add fee response to payments

* assert fees in test_melt

* test that mint_id and melt_id is stored correctly in proofs and proofs_used

* remove traces

* refactor: Lightning interface into own file and LedgerCrud with typing

* fix tests

* fix payment response

* rename variable

cashu/mint/router.py

@@ -162,10 +162,10 @@ async def mint(
 
     # BEGIN: backwards compatibility < 0.12 where we used to lookup payments with payment_hash
     # We use the payment_hash to lookup the hash from the database and pass that one along.
-    hash = payment_hash or hash
+    id = payment_hash or hash
     # END: backwards compatibility < 0.12
 
-    promises = await ledger.mint(payload.outputs, hash=hash)
+    promises = await ledger.mint(payload.outputs, id=id)
     blinded_signatures = PostMintResponse(promises=promises)
     logger.trace(f"< POST /mint: {blinded_signatures}")
     return blinded_signatures