eth_estimateGas - Cronos RPC Method
Estimate gas required for transactions on Cronos. Essential for optimizing transaction costs for DeFi protocols, NFT marketplaces, and Crypto.com ecosystem integrations.
Estimates the gas necessary to execute a transaction on Cronos.
Why Cronos? Build on the EVM-compatible Crypto.com blockchain with fast finality and deep Crypto.com ecosystem integration.
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 DeFi protocols, NFT marketplaces, and Crypto.com ecosystem integrations
Request Parameters
Sender address
Recipient address
Gas limit
Gas price
Value in wei
Transaction data
Response Body
Estimated gas amount in hexadecimal
Code Examples
curl -X POST https://api-cronos-mainnet-archive.n.dwellir.com/YOUR_API_KEY \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "2.0",
"method": "eth_estimateGas",
"params": [{
"from": "0x5C7F8A570d578ED84E63fdFA7b1eE72dEae1AE23",
"to": "0x5C7F8A570d578ED84E63fdFA7b1eE72dEae1AE23",
"value": "0x1"
}],
"id": 1
}'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 Cronos. Essential for verifying transaction execution for DeFi protocols, NFT marketplaces, and Crypto.com ecosystem integrations.
eth_gasPrice
Get current gas price on Cronos. Essential for transaction cost estimation for DeFi protocols, NFT marketplaces, and Crypto.com ecosystem integrations.