[Account] kaia_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 Kaia v1.7.0, only integer block number, the string "earliest" and "latest" are available
JSONRPC: kaia_isContractAccount
Request
- application/json
Body
Array [
- IntegerBlockNumber
- HexadecimalBlockNumber
- BlockTag
- BlockHash
]
params
undefined[]
required
Address
BlockNumberOrHashOrTag
object
oneOf
the block number with type integer
number
the block number with type hexadecimal
string
the block tag [latest, pending, earliest]
string
the block hash
string
Responses
- 200
Returns true if an input account has a non-empty codeHash at the time of a specific block number.
- application/json
- Schema
- Example (from schema)
Schema
error
object
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). |
A String providing a short description of the error. The message SHOULD be limited to a concise single sentence.
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.).
true means the input parameter is an existing smart contract address.
{
"jsonrpc": "2.0",
"id": 0,
"error": {
"code": -32700,
"message": "Parse error",
"data": "string"
},
"result": true
}