* Save to disk coconut keypair
* Check verification keys of the other signers
* Post verification key to chain
* Add multisig propose/vote for vks
* Execute the proposal
* Parse announce address argument
* Gateway uses chain data
* Network requester uses chain data
* Native&socks5 clients use chain data
* Credential client signature uses chain data
* Remove redundant api endpoints
* Undo debugging logging
* Fix some tests
* Fix clippy
* Fix wasm client and contract test
* More contract clippy
* Update CHANGELOG
* Use a bigger expiry period then the testing one
* 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
* Add coconut verifier structure for coconut protocol in gateway
* Add endpoint for validator-api cred verification
* Remove unused signature field
* Register new endpoint
* Improve validator-api config handling
* Aggregate verif result from all apis
* Simplify aggregate functions
* Verify cred on apis correctly
* Introduced coconut bandwidth contract to validator client
* Fix rebase double import
* Fix clippy on non-coconut
* Add multisig contract address to validator client
* Refactor Credential struct
* Do bincode magic in the coconut interface
* Implement serialization for credential and remove bindcode
* Fix clippy and don't remove dkg
* Client release funds proposal
* Add wrapper for blinded serial number
Also compare theta with a blinded serial number (in base 58 form)
for future double spend protection.
* Only post blinded serial number to blockchain
* Validator api propose credential spending
* Fix wallet
* Gateway calls proposal creation
* Query for proposal in verify coconut
* Remove db from git
* Verify against proposal description
* Validator apis vote based on verification of cred
* Fix wallet fmt
* Execute the release of funds
* Fix translation between token and bytes
* Update CHANGELOG
* 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
* add pedersen.rs and first alias type
* replace ciphertexts in BlindSignRequest by commitments and adapt try_from
* update BlindSignRequest.to_byte_vec
* add TODO to issuance.rs
* [WIP] update CmCs proof to use commitments
* complete ProofCmCs construct implementation
* [WIP] ProofCmCs verify
* complete ProofCmCs verify implementation
* complete ProofCmCs to_bytes implementation
* complete ProofCmCs from_bytes implementation
* WIP update ProofCmCs roundtrip tests
* WIP update prepare_blind_sign
* update prepare_blind_sign
* WIP update blind_sign
* update blind_sign
* update BlindedSignature and try_from
* update BlindedSignature unblind
* update BlindedSignature to_bytes
* move elgamal encrypto to elgamal and manage imports
* add verification keys for g1 method
* upadate tests to work with Pedersen commitments
* unused remove pedersen.rs
* update error message
* fix proof_cm_cs_bytes_roundtrip test
* Move generation of commitment openings into prepare blind signature function
* Edits
* Extende the verification key; remove validator's secret key from the unblind function
* Update the unblind function throughout the whole nymcoconut repo
* Fix broken tests
* Run cargo clippy and fmt
* Add benchmark measurements
* Add more detailed printouts
* Change byte printout
* Update benchmarks
* add public attributes as part of the commitment
* update bytes order comment for ProofCmCs
* check proof_cm_cs_bytes_roundtrip test and remove TODO
* remove irrelevant prints in blind signature tests
* remove inappropriate function to get betas_g1
* remove irrelevant prints in verification
* Remove print statement and add additional checks on the verification key
* Run clippy
* Fix coconut call in validator-api
* Update dependend packages
* Update the input to the obtain partial credential function
* Fix the verification key bytes calculation
* Run cargo fmt on keygen.rs
* Run cargo fmt for validator-api
* Run cargo fmt for credentials
* Replace concat with chain
* Remove unneccessary mut
* Run cargo fmt
* fix type conversion
Co-authored-by: aniampio <anna.piotrowska.15@ucl.ac.uk>
Bogdan-Ștefan Neacşu