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[Account] klay_isContractAccount

Returns true if an input account has a non-empty codeHash at the time of a specific block number. It returns false if the account is an EOA or a smart contract account which doesn't have codeHash.

NOTE: In versions earlier than Klaytn v1.7.0, only integer block number, the string "earliest" and "latest" are available

JSONRPC: klay_isContractAccount

Request

Body

    method stringrequired

    Default value: klay_isContractAccount

    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

    undefined[]

    required

  • Array [

  • Address 20-byte DATA

    Address

    BlockNumberOrHashOrTag

    object

    oneOf

    number

  • ]

Responses

Returns true if an input account has a non-empty codeHash at the time of a specific block number.

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 boolean

    true means the input parameter is an existing smart contract address.

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