eth_sendRawTransaction - Unichain RPC Method
Submit signed transactions to Unichain. Essential for broadcasting transactions for decentralized exchanges, liquidity protocols, and MEV-protected DeFi applications.
Submits a pre-signed transaction for broadcast to Unichain.
Why Unichain? Build on Uniswap's DeFi-optimized Superchain L2 with 250ms sub-blocks and 95% lower costs than Ethereum with 250ms sub-blocks (fastest L2), TEE-secured block building, native Superchain interoperability, and 65% revenue to validators.
Use Cases
The eth_sendRawTransaction method is essential for:
- Broadcasting transactions - Submit signed transactions to the network
- Wallet operations - Send native tokens and interact with contracts
- DeFi operations - Execute swaps, provide liquidity for decentralized exchanges, liquidity protocols, and MEV-protected DeFi applications
- Batch operations - Submit multiple transactions efficiently
Code Examples
Error Handling
| Error Code | Message | Description |
|---|---|---|
| -32000 | Nonce too low | Transaction nonce already used |
| -32000 | Insufficient funds | Account has insufficient balance |
| -32000 | Gas too low | Gas limit insufficient |
| -32000 | Replacement underpriced | Gas price too low for replacement |
Related Methods
eth_estimateGas- Estimate gas requiredeth_gasPrice- Get current gas priceeth_getTransactionReceipt- Get transaction result
eth_accounts
Returns a list of addresses owned by the client on Unichain. Typically returns an empty array on public RPC endpoints.
eth_getTransactionByHash
Retrieve transaction details by hash on Unichain. Essential for DeFi developers, liquidity protocol builders, and teams building on the Optimism Superchain tracking transactions on Uniswap's DeFi-optimized Superchain L2 with 250ms sub-blocks and 95% lower costs than Ethereum.