| Variable | Required | Description | Example |
|---|---|---|---|
| PORT | Yes | Port to deploy application | 3000 |
| DB_NAME | Yes | Local path to SQLite storage | ../../positions.db |
| BLOCKCHAIN_NETWORK_NAME | Yes | Network name | Base Goerli |
| CHAIN_ID | Yes | Chain id | 84351 |
| PROVIDER_HTTPS_URL | Yes | Provider URL | https://goerli.base.org |
| PYTH_NETWORK_PRICE_URI | Yes | Off-chain HTTP API endpoint used to fetch Pyth oracle prices | See https://docs.pyth.network/documentation |
| PYTH_NETWORK_ETH_USD_PRICE_ID | Yes | ETH/USD price feed ID | See https://pyth.network/developers/price-feed-ids |
| LIQUIDATION_MODULE_CONTRACT_ADDRESS | Yes | LiquidationModule contract address | See https://github.com/dhedge/flatcoin-v1/blob/testnet-system/deployments/testnet/testnet.base.json |
| LEVERAGE_MODULE_CONTRACT_ADDRESS | Yes | LeverageModule contract address | See https://github.com/dhedge/flatcoin-v1/blob/testnet-system/deployments/testnet/testnet.base.json |
| VIEWER_CONTRACT_ADDRESS | Yes | Viewer contract address | See https://github.com/dhedge/flatcoin-v1/blob/testnet-system/deployments/testnet/testnet.base.json |
| SIGNER_WALLET_PK | Yes | Signer wallet private key | |
| MAX_BATCH_SIZE_FOR_LIQUIDATION_QUEUE | Yes | Batch size of positions to be liquidated via RPC batch request | 5 |
| MAX_BATCH_SIZE_FOR_RPC_BATCH_REQUEST | Yes | Batch size of positions to call via other RPC batch requests | 5 |
| BATCH_WAIT_TIME | Yes | Wait time between batches, ms | 500 |
| ETH_PRICE_UPDATE_INTERVAL | Yes | Interval to update current ETH price, sec | 4 |
| LIQUIDATION_BUFFER_RATIO | Yes | Buffer ratio between current ETH price and position with top liquidation price If lower, all positions are checked for the possibility of liquidation |
0.01 |
$ yarn install# development
$ yarn run start
# watch mode
$ yarn run start:dev
# production mode
$ yarn run start:prod# e2e tests
$ yarn run test:e2e