eth_createAccessList

Returns an EIP-2930 access list that you can include in a transaction. You can use this method to optimize your smart contract interactions.

This method will use 20 Compute Units.

---

Parameters

1. Object - The transaction call object

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

to - String of the address the transaction is directed to.

gas - [optional] Integer of the gas provided for the transaction execution encoded as a hexadecimal.

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.

1. QUANTITY | TAG - integer block number, or the string "latest", "earliest" or "pending", see the default block parameter

Returns

accessList: A list of objects with the following fields:

• address: Addresses to be accessed by the transaction.

• storageKeys: Storage keys to be accessed by the transaction.

• gasUsed: A hexadecimal string representing the approximate gas cost for the transaction if the access list is included.

// Result
{
	"jsonrpc": "2.0",
	"result": {
		"accessList": [
			{
				"address": "0xa66e8368c0e8033a4bb27536a79730c5242377c1",
				"storageKeys": [
					"0x0000000000000000000000000000000000000000000000000000000000000081"
				]
			}
		],
		"gasUsed": "0x12e92"
	},
	"id": 1
}

mainnet

curl https://mainnet.base.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{"method":"eth_createAccessList","params":[{"from":"0xbeb6CC93B5822482eB077173ec3de783900c94D5","data":"0x608060806080608155"}, "pending"],"id":1,"jsonrpc":"2.0"}'

testnet

curl https://sepolia.base.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{"method":"eth_createAccessList","params":[{"from":"0xbeb6CC93B5822482eB077173ec3de783900c94D5","data":"0x608060806080608155"}, "pending"],"id":1,"jsonrpc":"2.0"}'