eth_chainId - Moonriver RPC Method
Get the chain ID for Moonriver. Essential for transaction signing and network verification.
Returns the chain ID used for transaction signing on Moonriver.
Why Moonriver? Build on the Moonbeam canary network on Kusama for real-world testing of EVM dApps with Moonbeam code ships here first, full EVM compatibility on Kusama, 80% fee burn mechanism, and XCM cross-chain messaging.
Use Cases
The eth_chainId method is essential for:
- Transaction signing - Ensure transactions are signed for the correct network
- Network verification - Confirm connection to the expected chain
- Multi-chain apps - Handle different networks programmatically
- Wallet integration - Validate network before transactions
Code Examples
Related Methods
net_version- Get network versioneth_syncing- Check sync status
eth_newPendingTransactionFilter
Create a filter for pending transaction notifications on Moonriver. Essential for mempool monitoring, transaction tracking, and MEV opportunity detection for production-grade dApp testing, early feature deployment, and Kusama-based EVM applications.
eth_syncing
Check the sync status of your Moonriver node. Returns sync progress or false when fully synced — essential for node health monitoring and dApp reliability.