* Add placeholder client for implementing coconut interactions
* Add db for persistance
* Add nymd client
* Add new coconut-bandwidth contract
* Call deposit function
* Introduce error handling
* Call the old flow of getting a signature
* List available tx hashes
* Add signed req in body
* Save signature received
* Add event generation
* Checks in validator-api
* Fail with error instead of panic in validator-api route
* Fix contract address and small bug
* Add file db for storing previous signatures
* Encrypt and store data in validator-api
* Decrypt the received signature
* Remove tx hashes after getting credentials
* Small listing changes in client
* Change response so that it easier to serialize
* Error message is sent to client for display
* Remove already signed error and return the previous sig
* Merge signature with deposit data in client
* Entrypoint for getting the encrypted signature
* Refactor blinding stuff so that it can be backed up
* Backed up the blind sign request
* Client can re-request the encrypted signature shares
* Update crypto features
* Fix clippy
* Activate instantiate test and remove unused code
* Add tx tests
* Add verification key endpoint test
* Voucher consistency test
* Test for some errors and a race condition on blind signing
* Refactor and add client trait for enabling better testing env
* Test some more of blind sign
* Finished testing all extract_encryption_key paths
* Split into function test and endpoint test
* Test for correct signature
* Test for state functions
* Remove print
* Test blind_sign endpoint
* Test for cached signature endpoint
* Stricter types in voucher
* Rename signature with partial_bandwidth_credential
* Extra route levels
* Length check and remove some unused code from coconut interface
* Renamed coconut-bandwidth common crate
* Renamed verification_key to identity_key
* Use const instead of hardcoded values
* Use type aliases for crypto algorithms
* Remove unused mods, until needed
* Remove unneeded unwrap
* Fix some coconut issues that were blocking the wasm client build
* Move from sled to existing sql database
* Update tests for new db type
* Fix wasm for coconut too
* Remove sled from dependencies