Commit Graph

6 Commits

Author SHA1 Message Date
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
Daniel Filipe Nunes Silva c7cdd1e1b4 feature/pedersen-commitments (#1048)
* 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>
2022-03-11 11:44:25 +00:00
Jędrzej Stuczyński 9462bc726d Feature-locking parts of common/crypto 2022-03-02 10:34:27 +00:00
Jon Häggblad c6e41ca3f3 Update to rust edition 2021 everywhere (#1086)
* chore: update to rust edition 2021 everywhere

* validator-api: simplify into_iter call in rust 2021
2022-02-01 13:28:02 +01:00
Bogdan-Ștefan Neacşu 10bf70b22b Feature/bandwidth token (#832)
* Remove check for bandwidth for incoming packets

We should only accunt for packets that the client inputs to the mixnet

* Introduce BandwidthController for both types of bandwidth creds

* Add some non-coconut token bandwidth handling

* Use thiserror for gateway-client lib

* Add error handling

* Unable to build for wasm for now

* Fix wasm strange error

* Disable non-coconut credentials for wasm client

* Check for status and throw the error up

* Send encrypted token cred from client

* Gateway receive message and signature validation

* Put the correct amount of tokens that were burned

* [ci skip] Generate TS types

* Eth endpoint and secret key as config parameters

* Add eth_endpoint config argument for gateway

* Update test as well

* Separate panicable code from the safe one

* Move some bandwidth controller panics up the call stack

* Save contract corresponding to the eth endpoint

* Fix template

* Pass the web3 interface as well

* Made event reads possible in gateway

* Add checks for event data

* Cosmos contract for double spending prevention

* Add workflow for the new contract

* Add validator rest URL to config

* Rename eth_events to erc20_bridge

* Pass cosmos mnemonic as well, and put the nymd client in ERC20Bridge

* Call cosmos contract for final verification

* Ask for config parameters in cli

* Fix various stuff

* Increase timeout to allow gateway to check the two chains

* Put some logs for the new flow

* Set consumed bandwidth invariantly of coconut feature

* Fix clippy error

* Add non-coconut checks

* Use 2018 rust instead of 2021

* More verbose nymd error

* Explicitly specify TOKENS_TO_BURN constant

* Put eth burn function in a constant

* Replace to_vec & append with iter & chain

* Test for (de)serialization of TokenCredential

* Minor rename

* Separate credential creation from bandwidth claiming

* Switch from panics to errors when claiming coconut bandwidth

* Another append changed to chain

* Update QA cosmos contract address

* Simplify build/test/clippy separation on coconut feature

* Fix bad features arg positioning

* Use the start_after in cosmos contract query

* Set a limit in line with a range on cosmos queries

* Added unit tests for new cosmos contract

* Fix bandwidth_remaining comparation

* Get remaining bandwidth from gateway

* Add contract build flag

* Add a useful info log

* Use a more robust eth depth for release builds

* Include recipt logs in error message

* Fix clippy for tests

* Use Arc instead of clone

* Rename as_bytes to to_bytes

* Make signature verification in contract more verbose

* Missed rename of paging constant

* Fix gateway start with coconut enabled

* Rename function to claim_token

* Simplify nymd client setup

* Check with block buffer on gateway as well

* Update comment of double spending protection

* Correct contract address

* Backup the keypairs used for buying tokens, in case of error cases

* Don't take any chances with the gateway timeout

* [ci skip] Generate TS types

* Updated cosmos contract to latest QA address

* Add cli options for eth

* Update network monitor timeout value as well

Co-authored-by: neacsu <neacsu@users.noreply.github.com>
2021-11-10 14:53:56 +02:00
Jędrzej Stuczyński a274edffba Feature/nymd client integration (#736)
* Calculating gas fees

* Ability to set custom fees

* Added extra test

* Removed commented code

* Moved all msg types to common contract crate

* Temporarily disabling get_tx method

* Finishing up nymd client API

* Comment fix

* Remaining fee values

* Some cleanup

* Removed needless borrow

* Fixed imports in contract tests

* Moved error types around

* New ValidatorClient

* Experiment with new type of defaults

* Removed dead module

* Dealt with unwrap

* Migrated mixnode to use new validator client

* Migrated gateway to use new validator client

* Mixnode and gateway adjustments

* More exported defaults

* Clients using new validator client

* Fixed mixnode upgrade

* Moved default values to a new crate

* Changed behaviour of validator client features

* Migrated basic functions of validator api

* Updated config + fixed startup

* Fixed wasm client build

* Integration with the explorer api

* Removed tokio dev dependency

* Needless borrow

* Fixex wasm client build

* Fixed tauri client build

* Needless borrows

* Fixed client upgrade print

* Removed redundant comments

* Made note on aggregated verification key into a doc comment

* Removed mixnet contract references from verloc

* Modified default validators structure

* Reformatted validator-api Cargo.toml file

* Removed commented code

* Made the doc comment example a no-run

* Fixed a upgrade print... again

* Adjusted the doc example

* Removed unused import
2021-08-18 14:41:00 +01:00