POST
/
efb0a5eccd2caa5135eb54eba6f7f300
curl --request POST \
  --url https://optimism-mainnet.core.chainstack.com/efb0a5eccd2caa5135eb54eba6f7f300 \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "debug_getModifiedAccountsByHash",
  "id": 1,
  "params": [
    "0x8625622df3d1304e86f9e0a7f78adba128940b8829d95bf7866667b261934f6d"
  ]
}'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": [
    "<string>"
  ]
}

The debug_getModifiedAccountsByHash RPC method retrieves a list of accounts that were modified in a specific block, identified by the block’s hash. This method is useful for developers and analysts who need to track changes to the state of accounts within a particular block for debugging or analytical purposes.

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Request

To use debug_getModifiedAccountsByHash, you should send a POST request with a JSON RPC call in the body.

Parameters

  • Block Hash (string): The hash of the block for which to retrieve the list of modified accounts.

Response

The response will be an array of account addresses (as strings) that were modified in the specified block.

  • result (array): The addresses of the accounts modified in the specified block.

Use case

The debug_getModifiedAccountsByHash method is essential for:

  • Developers debugging contract interactions within specific blocks.
  • Analysts tracking state changes for forensic or audit purposes.
  • Tools and services monitoring the Optimism state for changes to specific accounts within a block.

Body

application/json
jsonrpc
string
default:2.0
required
method
string
default:debug_getModifiedAccountsByHash
required
id
integer
default:1
required
params
string[]
required

Response

200 - application/json
A list of accounts modified in the specified block
jsonrpc
string
id
integer
result
string[]

The addresses of the modified accounts.