0xsero/zksync-staker

Node.js API

20 environment variables found in .env.example

Set these on your host before deploying. Each platform has an “Environment Variables” section in the deploy flow.

RPC_URL Network configuration
CHAIN_ID
STAKER_PROXY_ADDRESS ZKStaker proxy address (must be the proxy)
EARNING_POWER_CALCULATOR_ADDRESS Optional calculator override (fallback is on-chain lookup)
START_BLOCK Monitor defaults Set START_BLOCK close to the staker deployment block to avoid scanning from genesis.
POLL_INTERVAL_MS
LOG_LEVEL
BUMP_TIP_RECEIVER Bump configuration
BUMP_TIP_AMOUNT
BUMP_COOLDOWN_MS
BUMP_MAX_ATTEMPTS
BUMP_SCHEDULER_INTERVAL_MS
BUMP_EXECUTION_INTERVAL_MS
DEPOSIT_IDS Deposit IDs to monitor (comma-separated). If empty, the bot will discover active deposits by watching StakeDeposited/StakeWithdrawn events.
DATABASE_PATH Local JSON database path
COMPONENTS Component selection (default: all)
EXECUTOR_STRATEGY Executor configuration
WALLET_PRIVATE_KEY secret
CONFIRMATION_BLOCKS Confirmation settings
REORG_DEPTH

Alternative Fly.io Anything Dockerized — requires the Fly CLI.

macOS

brew install flyctl && fly launch --from https://github.com/0xsero/zksync-staker

Linux

curl -L https://fly.io/install.sh | sh && fly launch --from https://github.com/0xsero/zksync-staker

Windows (PowerShell)

iwr https://fly.io/install.ps1 -useb | iex; fly launch --from https://github.com/0xsero/zksync-staker

Or deploy to a different host