eth_createAccessList

POST

Generates an Access List for a transaction according to EIP-2930. The Access List contains only the minimum information required for execution, reducing network load and gas costs.

param[0]

callObjectobjectrequired

Call object for simulating a transaction. May include:

from: Sender address as a string.
to: Recipient address as a string.
gas: Gas limit as a hex string. Use 0x0 for smart contract calls.
gasPrice: Gas price per unit as a hex string.
value: Transaction value.
data: Method signature hash. See ABI for reference.

fromstring

The transaction sender (from) address as a string.

tostring

The transaction recipient (to) address as a string.

gasstring

The gas limit for the transaction as a hex string. For smart contract calls, use 0x0 since no gas is consumed.

gasPricestring

The gas price per unit as a hex string.

valuestring

The value (amount) for the transaction.

datastring

The method signature hash of the call. See ABI for reference.

param[1]

blockNumberOrHashOrTagstringrequired

Use one of block hash, block number, or block tag to specify a block.

Block number: hex string (ex. "0x1")
Block hash: 64-character hex string (ex. "0x39008d07edf93c03bb9d1cfc80598fcf63f441ec86e9de3733fa6a484980ca48")]
Block tag: enum string (ex. "latest", "earliest", "pending")
- earliest: The oldest available block on the chain.
- finalized: A recently finalized block that can no longer be changed. Primarily used in proof-of-stake (PoS) blockchains.
- safe: A recent block considered safe by the network (immune to reorgs).
- latest: The most recent block on the chain (may be subject to reorgs).
- pending: The next block to be mined, including pending transactions in the mempool.

Responses

The generated access list

addressstring

Contract address to be accessed

storageKeysarray

Storage keys to be accessed

gasUsedstring

Estimated gas used when applying the access list (hex)

codestringrequired

Code identifying the cause of the failed request.

messagestringrequired

Detailed message including the name and value of the invalid parameter.

{
  "code": "ERROR_CODE",
  "message": "Unauthorized"
}

X-API-KEY

cURL

curl -X POST 'https://base-mainnet.nodit.io' \
  -H 'Content-Type: application/json' \
  -H 'X-API-KEY: nodit-demo' \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "eth_createAccessList",
    "params": [
      {
        "to": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
        "data": "0x70a08231000000000000000000000000d8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
      },
      "latest"
    ]
  }'