[Miscellaneous] klay_getProof

Returns the account and storage values of the specified account including the Merkle-proof. This call can be used to verify that the data you are pulling from is not tampered with.

JSONRPC: klay_getProof

Request

application/json

Body

method stringrequired

Default value: klay_getProof

Method name

id int64required

Default value: 1

Request ID, Random or Auto incrementation

jsonrpc stringrequired

Default value: 2.0

JSON-RPC Version (2.0)

params

object[]

Array [

anyOf

Address

string

Keys

string

]

Responses

200

A account object

application/json

Schema

Schema

jsonrpc stringrequired

Default value: 2.0

id int64required

error

object

code int64required

A Number that indicates the error type that occurred. This MUST be an integer.

| code | message | description | |-----|-----|-------| | -32700 | Parse error | invalid JSON was received by the server. An error occurred on the server while parsing the JSON text. | |-32602 | Invalid params | Invalid method parameter(s). |

message string

A String providing a short description of the error. The message SHOULD be limited to a concise single sentence.

data string

A Primitive or Structured value that contains additional information about the error. This may be omitted. The value of this member is defined by the Server (e.g. detailed error information, nested errors etc.).

result

object

Object - A account object

balance hexrequired

the balance of the account. See eth_getBalance

codeHash 32-byte DATArequired

hash of the code of the account. For a simple Account without code it will return

nonce hexrequired

nonce of the account. See eth_getTransactionCount

storageHash DATArequired

SHA3 of the StorageRoot. All storage will deliver a MerkleProof starting with this rootHash.

accountProof string[]required

Array of rlp-serialized MerkleTree-Nodes, starting with the stateRoot-Node, following the path of the SHA3 (address) as key.

storageProof

object[]

required

Array of storage-entries as requested. Each entry is an object with these properties

Array [

key hexrequired

the requested storage key

value hexrequired

the storage value

proof string[]required

Array of rlp-serialized MerkleTree-Nodes, starting with the storageHash-Node, following the path of the SHA3 (key) as path.

]

Example (from schema)

{
  "jsonrpc": "2.0",
  "id": 0,
  "error": {
    "code": -32700,
    "message": "Parse error",
    "data": "string"
  },
  "result": {
    "balance": "string",
    "codeHash": "string",
    "nonce": "string",
    "storageHash": "string",
    "accountProof": [
      "string"
    ],
    "storageProof": [
      {
        "key": "string",
        "value": "string",
        "proof": [
          "string"
        ]
      }
    ]
  }
}

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