POST
/
2fc1de7f08c0465f6a28e3c355e0cb14
debug_storageRangeAt
curl --request POST \
  --url https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14 \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "debug_storageRangeAt",
  "id": 1,
  "params": [
    "0xc40b7058b5b80e565dfb986fe852c047733291291c8de1be8888ae64b5457bbd",
    25,
    "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
    "0x00000000000000000000000000000000",
    2
  ]
}'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {
    "storage": {},
    "complete": true
  }
}
Use eth_getStorageAt insteadChainstack BASE nodes are on Reth. Reth does not support the debug_storageRangeAt method. See Using eth_getStorageAt instead of debug_storageRangeAt on Reth.
The debug_storageRangeAt RPC method retrieves storage entries from a contract at a specific block. This method is useful for developers and analysts who need to inspect the state of a contract’s storage at a particular point in time.
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​
Request

To use debug_storageRangeAt, send a POST request with a JSON RPC call in the body.

​
Parameters

  • Block Hash (string): The hash of the block.
  • Transaction Index (integer): The index of the transaction in the block.
  • Contract Address (string): The address of the contract.
  • Storage Key (string): The starting point of the storage to inspect.
  • Max Results (integer): The maximum number of storage entries to return.

​
Response

The response includes storage entries within the specified range and a flag indicating if the storage snapshot is complete.
  • storage (object): A map of storage entries.
  • complete (boolean): Indicates whether the snapshot of storage is complete.

​
Use case

The debug_storageRangeAt method is essential for:
  • Developers debugging smart contracts by inspecting storage states at specific blocks.
  • Analysts conducting forensic analysis of contract interactions.
  • Tools and services that provide insights into contract state changes over time.

Body

application/json
​
jsonrpc
string
default:2.0
required
​
method
string
default:debug_storageRangeAt
required
​
id
integer
default:1
required
​
params
(string | integer)[]
required

Response

200 - application/json

Storage data for the specified range

​
jsonrpc
string
​
id
integer
​
result
object

The storage entries and a flag indicating if the storage is complete.