debug_getModifiedAccountsByNumber | Robinhood

Robinhood Chain API method that retrieves a list of accounts that were modified in a specific block or between two blocks, identified by block number.

POST /

debug_getModifiedAccountsByNumber

cURL

curl --request POST \
  --url https://robinhood-mainnet.core.chainstack.com/23cf4479b299ab4835d76c05c468ca6e/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "debug_getModifiedAccountsByNumber",
  "params": [
    "0xc3007d"
  ]
}
'

200

{
  "jsonrpc": "<string>",
  "id": 123,
  "result": [
    "<string>"
  ]
}

Robinhood Chain API method that retrieves a list of accounts that were modified in a specific block or between two blocks, identified by block number. This method compares the state tries between the specified blocks to find all accounts with changed state.

Learn how to deploy a node with the debug and trace API methods enabled.

This method is available for post-Nitro blocks only (block 22,207,815 and later). For pre-Nitro blocks, use the arbtrace_* methods instead.

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Parameters

• startNum — the block number (as a decimal integer) for which to retrieve modified accounts. When only this parameter is provided, the method returns accounts modified in this single block (compared to its parent).
• endNum — (optional) the end block number (as a decimal integer). When provided, the method returns accounts modified between startNum and endNum.

Response

• result — an array of account addresses that were modified in the specified block or range.

debug_getModifiedAccountsByNumber code examples

ethers.js

const { JsonRpcProvider } = require("ethers");

const provider = new JsonRpcProvider("CHAINSTACK_NODE_URL");

async function call() {
  const result = await provider.send("debug_getModifiedAccountsByNumber", ["0xc3007d"]);
  console.log(result);
}

call();

Body

application/json

id · integer · default: 1

jsonrpc · string · default: 2.0

method · string · default: debug_getModifiedAccountsByNumber

params · integer[]

Response

200 - application/json

Returns a list of accounts modified between the specified blocks.

jsonrpc · string

id · integer

result · string[]

The addresses of the modified accounts.