state_queryStorageAt - JSON-RPC Method

Description

Fetch storage values for one or more keys at a specific block hash. Useful to snapshot a set of keys at the same height.

Parameters

Parameter	Type	Required	Description
keys	string[]	Yes	Array of storage keys
at	string	Yes	Block hash

Returns

An array with a single entry containing the block hash and key/value pairs.

Request Example

Query System.Account prefix only (returns null for the prefix) alongside the runtime :code key:

curl -s https://api-moonriver.n.dwellir.com/YOUR_API_KEY \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc":"2.0",
    "id":1,
    "method":"state_queryStorageAt",
    "params":[[
      "0x26aa394eea5630e07c48ae0c9558cef7b99d880ec681799c0cf30e8886371da9",
      "0x3a636f6465"
    ], "0x1849c7bc2c547b315fef716c6f2fb6f5e256da60482a013286caf975d035f766"]
  }'