cesar/cdk: Cashu Development Kit @ 9059d3dc65d47c112592c8047e17c2a1bf4b4c20

Cesar Rodas 8ebaa9c171 Make sure signatory has all the keys in memory		пре 2 месеци
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mint	8ebaa9c171 Make sure signatory has all the keys in memory	пре 1 месец
wallet	abdde307c6 Fix race conditions with proof state updates.	пре 2 месеци
common.rs	43ab1fdde1 Do not create the wallet struct directly; instead, call new. (#707)	пре 2 месеци
lib.rs	f7d9a1b5db Drop the in-memory database (#613)	пре 3 месеци