* Add spend credential endpoint to coconut bandwidth contract
* Store spent credentials support
* Add query endpoint for spent credentials
* Proposals allowed only from special (contract) address
* Include check for admin in tests
* Create proposal from CBC
* Refactor into coconut integration tests
* Create proposal with spend credential integration test
* Resolve mixnet warnings
* Refactor to re-enable build
* Call CBC from gateway and remove validator-api workaround
* Include migration for the first deployment of multisig
* Fix bug in proposal id parsing
* Remove more validator-api create proposal code
* Check for InProgress status of credential
* Check the proposed voucher value
* Unwrapping cosmos msg from gateway
* Improve error message
* More nit fixing
* Test getting validator api cosmos address endpoint
* Refactor to prepare for distributed comm channel
* Refactor coconut e2e test for reuse
* Verification of cred endpoint test
* Update CHANGELOG
Bogdan-Ștefan Neacşu
d62e13c932