eth_estimateGas - Blast RPC Method
Estimate gas required for transactions on Blast. Essential for optimizing transaction costs for yield-generating dApps, DeFi protocols with built-in returns, and gas-subsidized applications.
Estimates the gas necessary to execute a transaction on Blast.
Why Blast? Build on the only Ethereum L2 with native yield—4% for ETH and 5%+ for stablecoins automatically with $2.5B+ TVL, auto-rebasing ETH and USDB, gas revenue sharing for developers, and Blur-backed ecosystem.
Use Cases
The eth_estimateGas method is essential for:
- Transaction preparation - Set appropriate gas limits
- Cost estimation - Calculate transaction costs before sending
- Error detection - Identify reverts before spending gas
- DeFi operations - Estimate costs for yield-generating dApps, DeFi protocols with built-in returns, and gas-subsidized applications
Code Examples
Error Handling
| Error Code | Message | Description |
|---|---|---|
| -32000 | Execution reverted | Transaction would fail |
| -32602 | Invalid params | Invalid transaction parameters |
Tip: If estimation fails, the transaction would likely revert if sent.
Related Methods
eth_gasPrice- Get current gas priceeth_sendRawTransaction- Send transaction
eth_getTransactionReceipt
Get transaction receipt with status and logs on Blast. Essential for verifying transaction execution for yield-generating dApps, DeFi protocols with built-in returns, and gas-subsidized applications.
eth_gasPrice
Get current gas price on Blast. Essential for transaction cost estimation for yield-generating dApps, DeFi protocols with built-in returns, and gas-subsidized applications.