| name | description | value |
|---|---|---|
| PORT | Relayer port | integer |
| RELAYER_ADDRESS_PRIVATE_KEY | Private key to sign pool transactions | hexadecimal prefixed with "0x" |
| POOL_ADDRESS | Address of the pool contract | hexadecimal prefixed with "0x" |
| RELAYER_GAS_LIMIT | Gas limit for pool transactions | integer |
| RELAYER_FEE | Minimal accepted relayer fee (in tokens | integer |
| MAX_NATIVE_AMOUNT_FAUCET | Maximal amount of faucet value (in ETH) | integer |
| TREE_UPDATE_PARAMS_PATH | Local path to tree update parameters | string |
| TX_VK_PATH | Local path to transaction curcuit verification key | string |
| GAS_PRICE_FALLBACK | Default fallback gas price | integer |
| GAS_PRICE_ESTIMATION_TYPE | Gas price estimation type | web3 / gas-price-oracle / eip1559-gas-estimation |
| GAS_PRICE_UPDATE_INTERVAL | Interval in milliseconds used to get the updated gas price value using specified estimation type | integer |
| RELAYER_LOG_LEVEL | Log level | Winston log level |
| RELAYER_REDIS_URL | Url to redis instance | URL |
| RPC_URL | Url to RPC node | URL |
| SENT_TX_DELAY | Delay in milliseconds for sentTxWorker to verify submitted transactions | integer |