eth_estimateGas

Unichain Mainnet keeps historical state for roughly the last 10,000 blocks, about 2.8 hours at Unichain’s 1-second block time. Requests for an older block return JSON-RPC error -32603 with a message that contains state at block #<number> is pruned.

Parameters

from - [optional] String of the address the transaction is sent from.

to - [optional] String of the address the transaction is directed to.

gas - [optional] Integer of the gas provided for the transaction execution.

gasPrice - [optional] Integer of the gasPrice used for each paid gas encoded as a hexadecimal.

value - [optional] Integer of the value sent with this transaction encoded as a hexadecimal.

data - [optional] String of the hash of the method signature and encoded parameters. For more information, see the Contract ABI description in the Solidity documentation.

QUANTITY | TAG - [optional] integer block number, or the string "latest", "earliest" or "pending", see the default block parameter

Returns

String - hex string value representing an integer of the amount of gas units used.

// Result
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x53e9"
}

curl https://mainnet.unichain.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{"jsonrpc":"2.0","method":"eth_estimateGas","params":[{"from":"0xcabba9e7f4b3a885c5aa069f88469ac711dd4acc","to":"0x4200000000000000000000000000000000000006","data":"0x18160ddd"}],"id":1}'

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