Commit Graph

4 Commits

Author SHA1 Message Date
Bogdan-Ștefan Neacşu 41ac866729 Feature/validator api panics (#1520)
* Coconut unwraps

* Fail softly on epoch queries

* Update changelog

* Retry a few times before failing as before
2022-08-11 11:58:17 +03:00
Bogdan-Ștefan Neacşu d62e13c932 Feature/coconut double spend prev (#1457)
* 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
2022-07-18 12:37:07 +03:00
Bogdan-Ștefan Neacşu 5f7b3db9a4 Feature/spend coconut (#1261)
* 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
2022-06-02 16:54:59 +03:00
Bogdan-Ștefan Neacşu 9e8f550e6d Feature/signature on deposit (#1151)
* 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
2022-03-29 15:03:38 +03:00