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Published: Dec 25, 2023 License: AGPL-3.0

README

jInX Chain Protocol

Sovereign Blockchain built using Cosmos SDK & CometBFT for jInX Chain.

TODO(CORE-512): add info/resources around jInX Chain. Doc

Get started

Installation

  1. Install Go 1.21 here.
  2. Install Docker Desktop here
  3. Run make install to install project dependencies.

Helpful Development Commands

  • make test runs unit tests.
  • make lint lints source code (make lint-fix to also fix).
  • make build builds source.
  • make mock-gen generates mocks for files listed in mocks/Makefile. More info about mocking here.

Running the chain locally

Requirements: Ensure you are running docker-compose version 1.30.x or newer, and Docker engine version 20.10.x or newer.

You can quickly test your changes to jInX Chain with just a few commands:

  1. Make any change to the jInX Chain code that you want to test

  2. Once ready to test, run make localnet-start (or make localnet-startd to run the network headlessly)

    • This first compiles all your changes to docker image called jinxprotocol-base (~90 seconds)
    • You will then be running a local network with your changes!
    • Note, these commands will reset the chain to genesis
  3. To remove all block history and start from scratch, re-run make localnet-start or make localnet-startd.

  4. To stop the chain but keep the state, run make localnet-stop. To restart the protocol with the previous state, run make localnet-continue.

Deployment to AWS testnets

Merges to the main branch automatically trigger a new Docker container image to be built and pushed to ECR. After the image has been pushed to ECR, a Terraform Cloud run is currently necessary to deploy the new container to ECS.

The following commands can be used to locally build and push containers to ECR.

  • make aws-push-dev locally build and push a container image to the "dev" environment.
  • make aws-push-dev2 locally build and push a container image to the "dev2" environment.
  • make aws-push-dev3 locally build and push a container image to the "dev3" environment.
  • make aws-push-dev4 locally build and push a container image to the "dev4" environment.
  • make aws-push-dev5 locally build and push a container image to the "dev5" environment.
  • make aws-push-staging locally build and push a container image to the "staging" environment.
Linting

We use yamllint for linting YAML files. Instructions for using specific yamllint actions are linked below:

We currently lint the following YAML files in the Lint CI job:

  • .golangci.yml.
  • .github/workflows/*.yml.
    • Note this includes all files that end in the yml file extension in the .github/workflows directory.
  • buf.work.yaml.
Protos

Protos can be found in ../proto/ here.

Genesis

You can find the local chain's genesis data in testing/genesis.sh. This dictates the starting app state of your chain when running make localnet-start. We currently start the chain with BTC and ETH perpetuals and prices but could easily add another perpetual and market like so:

...
	dasel put string -f "$GENESIS" '.app_state.perpetuals.perpetuals.[2].ticker' 'LINK-USD'
	dasel put int -f "$GENESIS" '.app_state.perpetuals.perpetuals.[2].market_id' '1'
	dasel put int -f "$GENESIS" '.app_state.perpetuals.perpetuals.[2].atomic_resolution' -v '-9'
	dasel put int -f "$GENESIS" '.app_state.perpetuals.perpetuals.[2].default_funding_ppm' '0'
	dasel put int -f "$GENESIS" '.app_state.perpetuals.perpetuals.[2].initial_margin_ppm' '50000'     # 5 %
	dasel put int -f "$GENESIS" '.app_state.perpetuals.perpetuals.[2].maintenance_fraction_ppm' '600000' # 3 % (60% of IM)
...
	dasel put string -f "$GENESIS" '.app_state.prices.markets.[2].pair' 'LINK-USD'
	dasel put int -f "$GENESIS" '.app_state.prices.markets.[2].exponent' -v '-6'
	dasel put int -f "$GENESIS" '.app_state.prices.markets.[2].min_exchanges' '1'
	dasel put int -f "$GENESIS" '.app_state.prices.markets.[2].min_price_change_ppm' '50'
	dasel put int -f "$GENESIS" '.app_state.prices.markets.[2].price' '3000000000' # $3,000 = 1 ETH.
	dasel put int -f "$GENESIS" '.app_state.prices.markets.[2].exchanges.[0]' '0'

Another module that can be modified similarly is the subaccounts. We can add another subaccount by updating the TEST_ACCOUNTS array in ./testing/local.sh.

Debugging Tips

Setting up keychain

To run the below commands, you'll want to import the private keys of the test accounts specified in testnet-local/local.sh. Run the following commands and input the corresponding 12-word string from MNEMONICS. The resulting address should match those in TEST_ACCOUNTS.

./build/jinxprotocold keys add alice --recover

./build/jinxprotocold keys add bob --recover

Send a test transaction locally

It's occasionally helpful to send a transaction to the local chain to observe Cosmos behavior through the API such as events. Until clob v0.1 is complete, you can use the default Cosmos bank module to transfer assets between two accounts defined at genesis in the genesis.sh file.

./build/jinxprotocold tx bank send jinx199tqg4wdlnu4qjlxchpd7seg454937hjrknju4 jinx10fx7sy6ywd5senxae9dwytf8jxek3t2gcen2vs 100usdc

Placing a test order locally

It's occasionally helpful to send a transaction to the local chain to test order placement and matching. Run the following two commands in succession in order to match an order between two accounts.

./build/jinxprotocold tx clob place-order jinx199tqg4wdlnu4qjlxchpd7seg454937hjrknju4 0 0 0 1 10 10000 20 --from alice --chain-id localjinxprotocol
./build/jinxprotocold tx clob place-order jinx10fx7sy6ywd5senxae9dwytf8jxek3t2gcen2vs 0 0 0 2 10 10000 20 --from bob --chain-id localjinxprotocol

Run the following command to cancel an order.

./build/jinxprotocold tx clob cancel-order jinx199tqg4wdlnu4qjlxchpd7seg454937hjrknju4 10 0 20 --from alice

Querying the chain locally

While running the development server via make localnet-start, you can make queries locally using the Tendermint API. All endpoints listed here are supported. For example to get the block at height 2: curl -X GET "localhost:26657/block?height=2".

Updating local flags

When debugging or inspecting behavior of the chain locally, you may wish modify the flags passed to jinxprotocold. You can achieve this by modifying your docker-compose.yml file locally in the entrypoint section to change these passed in flags.

Enabled more verbose logging locally

Refer to the section above and change the log_level to trace. Note that trace can be pretty noisy as it logs every block proposal, message, and committed block to stdout.

Debugging behavior in Cosmos SDK

It's occasionally useful to be able to output logs or modify behavior in cosmos-sdk itself. To do this, check out cosmos-sdk locally at the branch which represents the version specified in the go.mod file in this repository.

git clone git@github.com:cosmos/cosmos-sdk.git
git checkout v0.47.0-alpha2

After you've cloned the repo, you can modify the go.mod file in v4-chain locally to include a replace directive which locally points cosmos-sdk to your local version of cosmos-sdk. Example:

replace (
+	github.com/cosmos/cosmos-sdk v0.47.0-alpha2 => /Users/bryce/projects/cosmos-sdk
	github.com/keybase/go-keychain => github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4
	google.golang.org/grpc => google.golang.org/grpc v1.50.1
)

Now running make localnet-start will include any changes you've made to your cosmos-sdk repository locally.

Slowing down blocks

It may be useful for debugging purposes to change the speed at which blocks are committed. This can be useful for more easily sending multiple transactions within the same block, or just for reducing the noise of the --verbose output (which includes output every time a new block is committed).

For example, for a block time of 1 minute, add the following lines to your local.sh file locally in this repository:

# How long we wait for a proposal block before prevoting nil
dasel put string -f "$CONFIG_FOLDER"/config.toml '.consensus.timeout_propose' '60s'

# How long we wait after committing a block, before starting on the new
# height (this gives us a chance to receive some more precommits, even
# though we already have +2/3).
dasel put string -f "$CONFIG_FOLDER"/config.toml '.consensus.timeout_commit' '60s'

CometBFT fork

Our current implementation contains a light fork of CometBFT. The fork can be found here. Instructions to update the fork are included there.

CosmosSDK fork

Our current implementation contains a light fork of CosmosSDK. The fork can be found here. Instructions to update the fork are included there.

Daemons

Daemons are background processes that run in go-routines to do asyncronous work. Daemons can be configured with their respective flags, e.g. price-daemon-enabled or price-daemon-delay-loop-ms.

TODO(CORE-512): update daemon flags

Bridge Daemon

TODO(CORE-512): add details

Liquidation Daemon

TODO(CORE-512): add details

Pricefeed Daemon

The Pricefeed Daemon is responsible for ingesting prices from 3rd party exchanges like Binance and sending these prices to the application where they are then used by the Prices module. The Pricefeed daemon is started by default when the application starts.

TODO(CORE-469): update doc with new ways to override the params

Learn more

Directories

Path Synopsis
app
client
docs/statik
Package statik contains static assets.
Package statik contains static assets.
cmd
command
daemons
lib
eth
metrics
nolint:lll
nolint:lll
scripts
iaviewer
Originally forked from https://github.com/cosmos/iavl/blob/v0.20.0/cmd/iaviewer/main.go
Originally forked from https://github.com/cosmos/iavl/blob/v0.20.0/cmd/iaviewer/main.go
testing
testutil
app
big
Package big provides testing utility methods for the "math/big" library.
Package big provides testing utility methods for the "math/big" library.
ci
ibc
nullify
Package nullify provides methods to init nil values structs for test assertion.
Package nullify provides methods to init nil values structs for test assertion.
sdk
tx
x
assets/types
Package types is a reverse proxy.
Package types is a reverse proxy.
blocktime/types
Package types is a reverse proxy.
Package types is a reverse proxy.
bridge/types
Package types is a reverse proxy.
Package types is a reverse proxy.
clob/types
Package types is a reverse proxy.
Package types is a reverse proxy.
delaymsg/types
Package types is a reverse proxy.
Package types is a reverse proxy.
epochs/types
Package types is a reverse proxy.
Package types is a reverse proxy.
feetiers/types
Package types is a reverse proxy.
Package types is a reverse proxy.
perpetuals/types
Package types is a reverse proxy.
Package types is a reverse proxy.
prices/types
Package types is a reverse proxy.
Package types is a reverse proxy.
ratelimit/types
Package types is a reverse proxy.
Package types is a reverse proxy.
rewards/types
Package types is a reverse proxy.
Package types is a reverse proxy.
stats/types
Package types is a reverse proxy.
Package types is a reverse proxy.
subaccounts/types
Package types is a reverse proxy.
Package types is a reverse proxy.
vest/types
Package types is a reverse proxy.
Package types is a reverse proxy.

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